/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_2.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-5d317bd [2022-03-19 01:40:05,716 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-19 01:40:05,718 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-19 01:40:05,742 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-19 01:40:05,743 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-19 01:40:05,744 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-19 01:40:05,748 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-19 01:40:05,753 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-19 01:40:05,754 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-19 01:40:05,754 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-19 01:40:05,755 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-19 01:40:05,755 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-19 01:40:05,756 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-19 01:40:05,756 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-19 01:40:05,757 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-19 01:40:05,757 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-19 01:40:05,758 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-19 01:40:05,758 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-19 01:40:05,759 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-19 01:40:05,760 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-19 01:40:05,761 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-03-19 01:40:05,768 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-19 01:40:05,769 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-19 01:40:05,769 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-19 01:40:05,772 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-19 01:40:05,778 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-19 01:40:05,782 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-19 01:40:05,783 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-19 01:40:05,787 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-19 01:40:05,788 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/loopacceleration/qvasr/qvasr_64.epf [2022-03-19 01:40:05,810 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-19 01:40:05,811 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-19 01:40:05,812 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-19 01:40:05,812 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-19 01:40:05,813 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-19 01:40:05,813 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-19 01:40:05,813 INFO L138 SettingsManager]: * Use SBE=true [2022-03-19 01:40:05,813 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-19 01:40:05,813 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-19 01:40:05,814 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-19 01:40:05,814 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-19 01:40:05,814 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-19 01:40:05,814 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-19 01:40:05,814 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-19 01:40:05,814 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-19 01:40:05,814 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-19 01:40:05,814 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-19 01:40:05,814 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-19 01:40:05,815 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-19 01:40:05,815 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-19 01:40:05,815 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-19 01:40:05,815 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-19 01:40:05,815 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-19 01:40:05,815 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-19 01:40:05,815 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-19 01:40:05,815 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-19 01:40:05,815 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-03-19 01:40:05,815 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-03-19 01:40:05,816 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-03-19 01:40:05,816 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-03-19 01:40:05,994 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-19 01:40:06,008 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-19 01:40:06,010 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-19 01:40:06,010 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-19 01:40:06,013 INFO L275 PluginConnector]: CDTParser initialized [2022-03-19 01:40:06,014 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/openssl-simplified/s3_clnt_2.cil-2.c [2022-03-19 01:40:06,055 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c96cb37c/757640f8f0d1474cb28d65a7ea6758dc/FLAG154b1dfde [2022-03-19 01:40:06,413 INFO L306 CDTParser]: Found 1 translation units. [2022-03-19 01:40:06,414 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/openssl-simplified/s3_clnt_2.cil-2.c [2022-03-19 01:40:06,427 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c96cb37c/757640f8f0d1474cb28d65a7ea6758dc/FLAG154b1dfde [2022-03-19 01:40:06,441 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c96cb37c/757640f8f0d1474cb28d65a7ea6758dc [2022-03-19 01:40:06,445 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-19 01:40:06,446 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-19 01:40:06,447 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-19 01:40:06,447 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-19 01:40:06,450 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-19 01:40:06,450 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.03 01:40:06" (1/1) ... [2022-03-19 01:40:06,451 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4623c39a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 01:40:06, skipping insertion in model container [2022-03-19 01:40:06,451 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.03 01:40:06" (1/1) ... [2022-03-19 01:40:06,456 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-19 01:40:06,476 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-19 01:40:06,632 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/openssl-simplified/s3_clnt_2.cil-2.c[35827,35840] [2022-03-19 01:40:06,637 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-19 01:40:06,642 INFO L203 MainTranslator]: Completed pre-run [2022-03-19 01:40:06,682 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/openssl-simplified/s3_clnt_2.cil-2.c[35827,35840] [2022-03-19 01:40:06,684 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-19 01:40:06,701 INFO L208 MainTranslator]: Completed translation [2022-03-19 01:40:06,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 01:40:06 WrapperNode [2022-03-19 01:40:06,701 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-19 01:40:06,704 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-19 01:40:06,705 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-19 01:40:06,705 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-19 01:40:06,713 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 01:40:06" (1/1) ... [2022-03-19 01:40:06,713 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 01:40:06" (1/1) ... [2022-03-19 01:40:06,719 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 01:40:06" (1/1) ... [2022-03-19 01:40:06,719 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 01:40:06" (1/1) ... [2022-03-19 01:40:06,726 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 01:40:06" (1/1) ... [2022-03-19 01:40:06,732 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 01:40:06" (1/1) ... [2022-03-19 01:40:06,734 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 01:40:06" (1/1) ... [2022-03-19 01:40:06,736 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-19 01:40:06,737 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-19 01:40:06,737 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-19 01:40:06,737 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-19 01:40:06,738 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 01:40:06" (1/1) ... [2022-03-19 01:40:06,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-19 01:40:06,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-19 01:40:06,764 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) [2022-03-19 01:40:06,766 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 [2022-03-19 01:40:06,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-03-19 01:40:06,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-19 01:40:06,788 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-03-19 01:40:06,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_connect [2022-03-19 01:40:06,789 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-03-19 01:40:06,789 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-03-19 01:40:06,789 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-03-19 01:40:06,789 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-03-19 01:40:06,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-19 01:40:06,789 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2022-03-19 01:40:06,789 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-03-19 01:40:06,790 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2022-03-19 01:40:06,790 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_connect [2022-03-19 01:40:06,791 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-03-19 01:40:06,791 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-03-19 01:40:06,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-19 01:40:06,791 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-19 01:40:06,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-19 01:40:06,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-19 01:40:06,791 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-19 01:40:06,894 INFO L234 CfgBuilder]: Building ICFG [2022-03-19 01:40:06,895 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-19 01:40:06,968 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-03-19 01:40:07,233 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2022-03-19 01:40:07,233 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2022-03-19 01:40:07,237 INFO L275 CfgBuilder]: Performing block encoding [2022-03-19 01:40:07,243 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-19 01:40:07,243 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-03-19 01:40:07,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.03 01:40:07 BoogieIcfgContainer [2022-03-19 01:40:07,244 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-19 01:40:07,245 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-03-19 01:40:07,245 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-03-19 01:40:07,249 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-03-19 01:40:07,251 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.03 01:40:07" (1/1) ... [2022-03-19 01:40:07,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 19.03 01:40:07 BasicIcfg [2022-03-19 01:40:07,279 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-03-19 01:40:07,280 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-19 01:40:07,280 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-19 01:40:07,282 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-19 01:40:07,282 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.03 01:40:06" (1/4) ... [2022-03-19 01:40:07,283 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a5e236d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.03 01:40:07, skipping insertion in model container [2022-03-19 01:40:07,283 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 01:40:06" (2/4) ... [2022-03-19 01:40:07,283 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a5e236d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.03 01:40:07, skipping insertion in model container [2022-03-19 01:40:07,283 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.03 01:40:07" (3/4) ... [2022-03-19 01:40:07,283 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a5e236d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.03 01:40:07, skipping insertion in model container [2022-03-19 01:40:07,283 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 19.03 01:40:07" (4/4) ... [2022-03-19 01:40:07,284 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_clnt_2.cil-2.cqvasr [2022-03-19 01:40:07,291 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-19 01:40:07,291 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-19 01:40:07,323 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-19 01:40:07,327 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 [2022-03-19 01:40:07,328 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-03-19 01:40:07,341 INFO L276 IsEmpty]: Start isEmpty. Operand has 137 states, 129 states have (on average 1.697674418604651) internal successors, (219), 130 states have internal predecessors, (219), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-03-19 01:40:07,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-03-19 01:40:07,345 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 01:40:07,346 INFO L500 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] [2022-03-19 01:40:07,346 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 01:40:07,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 01:40:07,350 INFO L85 PathProgramCache]: Analyzing trace with hash 291212414, now seen corresponding path program 1 times [2022-03-19 01:40:07,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 01:40:07,356 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126837268] [2022-03-19 01:40:07,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 01:40:07,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 01:40:07,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:40:07,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 01:40:07,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:40:07,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-19 01:40:07,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 01:40:07,600 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126837268] [2022-03-19 01:40:07,600 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126837268] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 01:40:07,601 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 01:40:07,601 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-19 01:40:07,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552501812] [2022-03-19 01:40:07,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 01:40:07,606 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-19 01:40:07,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-19 01:40:07,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-19 01:40:07,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-19 01:40:07,635 INFO L87 Difference]: Start difference. First operand has 137 states, 129 states have (on average 1.697674418604651) internal successors, (219), 130 states have internal predecessors, (219), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:40:07,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 01:40:07,954 INFO L93 Difference]: Finished difference Result 375 states and 629 transitions. [2022-03-19 01:40:07,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-19 01:40:07,957 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 [2022-03-19 01:40:07,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 01:40:07,964 INFO L225 Difference]: With dead ends: 375 [2022-03-19 01:40:07,964 INFO L226 Difference]: Without dead ends: 218 [2022-03-19 01:40:07,967 INFO L911 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 [2022-03-19 01:40:07,969 INFO L912 BasicCegarLoop]: 216 mSDtfsCounter, 576 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 578 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-19 01:40:07,970 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [578 Valid, 225 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-19 01:40:07,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2022-03-19 01:40:08,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 218. [2022-03-19 01:40:08,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 213 states have (on average 1.4929577464788732) internal successors, (318), 213 states have internal predecessors, (318), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:40:08,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 322 transitions. [2022-03-19 01:40:08,006 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 322 transitions. Word has length 30 [2022-03-19 01:40:08,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 01:40:08,006 INFO L478 AbstractCegarLoop]: Abstraction has 218 states and 322 transitions. [2022-03-19 01:40:08,006 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) [2022-03-19 01:40:08,007 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 322 transitions. [2022-03-19 01:40:08,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-03-19 01:40:08,008 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 01:40:08,008 INFO L500 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] [2022-03-19 01:40:08,009 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-19 01:40:08,009 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 01:40:08,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 01:40:08,009 INFO L85 PathProgramCache]: Analyzing trace with hash 654554040, now seen corresponding path program 1 times [2022-03-19 01:40:08,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 01:40:08,010 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014672103] [2022-03-19 01:40:08,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 01:40:08,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 01:40:08,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:40:08,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 01:40:08,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:40:08,083 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-19 01:40:08,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 01:40:08,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014672103] [2022-03-19 01:40:08,083 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2014672103] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 01:40:08,083 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 01:40:08,084 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-19 01:40:08,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849878896] [2022-03-19 01:40:08,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 01:40:08,085 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-19 01:40:08,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-19 01:40:08,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-19 01:40:08,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-19 01:40:08,086 INFO L87 Difference]: Start difference. First operand 218 states and 322 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:40:08,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 01:40:08,270 INFO L93 Difference]: Finished difference Result 348 states and 521 transitions. [2022-03-19 01:40:08,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-19 01:40:08,270 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 [2022-03-19 01:40:08,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 01:40:08,274 INFO L225 Difference]: With dead ends: 348 [2022-03-19 01:40:08,274 INFO L226 Difference]: Without dead ends: 243 [2022-03-19 01:40:08,280 INFO L911 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 [2022-03-19 01:40:08,282 INFO L912 BasicCegarLoop]: 186 mSDtfsCounter, 189 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-19 01:40:08,284 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [189 Valid, 193 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-19 01:40:08,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2022-03-19 01:40:08,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 235. [2022-03-19 01:40:08,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 230 states have (on average 1.4782608695652173) internal successors, (340), 230 states have internal predecessors, (340), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:40:08,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 344 transitions. [2022-03-19 01:40:08,302 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 344 transitions. Word has length 44 [2022-03-19 01:40:08,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 01:40:08,302 INFO L478 AbstractCegarLoop]: Abstraction has 235 states and 344 transitions. [2022-03-19 01:40:08,303 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) [2022-03-19 01:40:08,303 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 344 transitions. [2022-03-19 01:40:08,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-03-19 01:40:08,307 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 01:40:08,307 INFO L500 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] [2022-03-19 01:40:08,307 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-19 01:40:08,307 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 01:40:08,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 01:40:08,308 INFO L85 PathProgramCache]: Analyzing trace with hash -13184325, now seen corresponding path program 1 times [2022-03-19 01:40:08,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 01:40:08,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418543194] [2022-03-19 01:40:08,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 01:40:08,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 01:40:08,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:40:08,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 01:40:08,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:40:08,391 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-19 01:40:08,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 01:40:08,391 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418543194] [2022-03-19 01:40:08,391 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418543194] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 01:40:08,391 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 01:40:08,391 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-19 01:40:08,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470695088] [2022-03-19 01:40:08,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 01:40:08,392 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-19 01:40:08,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-19 01:40:08,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-19 01:40:08,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-19 01:40:08,393 INFO L87 Difference]: Start difference. First operand 235 states and 344 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:40:08,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 01:40:08,551 INFO L93 Difference]: Finished difference Result 507 states and 754 transitions. [2022-03-19 01:40:08,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-19 01:40:08,551 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 [2022-03-19 01:40:08,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 01:40:08,553 INFO L225 Difference]: With dead ends: 507 [2022-03-19 01:40:08,553 INFO L226 Difference]: Without dead ends: 285 [2022-03-19 01:40:08,555 INFO L911 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 [2022-03-19 01:40:08,559 INFO L912 BasicCegarLoop]: 186 mSDtfsCounter, 192 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-19 01:40:08,560 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [192 Valid, 193 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-19 01:40:08,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2022-03-19 01:40:08,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 275. [2022-03-19 01:40:08,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 270 states have (on average 1.4444444444444444) internal successors, (390), 270 states have internal predecessors, (390), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:40:08,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 394 transitions. [2022-03-19 01:40:08,581 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 394 transitions. Word has length 61 [2022-03-19 01:40:08,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 01:40:08,582 INFO L478 AbstractCegarLoop]: Abstraction has 275 states and 394 transitions. [2022-03-19 01:40:08,582 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) [2022-03-19 01:40:08,582 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 394 transitions. [2022-03-19 01:40:08,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-03-19 01:40:08,584 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 01:40:08,584 INFO L500 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] [2022-03-19 01:40:08,584 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-19 01:40:08,584 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 01:40:08,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 01:40:08,585 INFO L85 PathProgramCache]: Analyzing trace with hash -1257948806, now seen corresponding path program 1 times [2022-03-19 01:40:08,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 01:40:08,585 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076458805] [2022-03-19 01:40:08,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 01:40:08,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 01:40:08,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:40:08,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 01:40:08,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:40:08,664 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-19 01:40:08,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 01:40:08,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076458805] [2022-03-19 01:40:08,665 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076458805] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 01:40:08,665 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 01:40:08,665 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-19 01:40:08,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712978724] [2022-03-19 01:40:08,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 01:40:08,665 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-19 01:40:08,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-19 01:40:08,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-19 01:40:08,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-19 01:40:08,666 INFO L87 Difference]: Start difference. First operand 275 states and 394 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:40:08,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 01:40:08,863 INFO L93 Difference]: Finished difference Result 637 states and 947 transitions. [2022-03-19 01:40:08,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-19 01:40:08,863 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 [2022-03-19 01:40:08,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 01:40:08,866 INFO L225 Difference]: With dead ends: 637 [2022-03-19 01:40:08,866 INFO L226 Difference]: Without dead ends: 373 [2022-03-19 01:40:08,867 INFO L911 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 [2022-03-19 01:40:08,872 INFO L912 BasicCegarLoop]: 198 mSDtfsCounter, 208 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-19 01:40:08,873 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [208 Valid, 205 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-19 01:40:08,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2022-03-19 01:40:08,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 355. [2022-03-19 01:40:08,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 355 states, 350 states have (on average 1.3942857142857144) internal successors, (488), 350 states have internal predecessors, (488), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:40:08,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 492 transitions. [2022-03-19 01:40:08,889 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 492 transitions. Word has length 61 [2022-03-19 01:40:08,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 01:40:08,890 INFO L478 AbstractCegarLoop]: Abstraction has 355 states and 492 transitions. [2022-03-19 01:40:08,890 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) [2022-03-19 01:40:08,890 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 492 transitions. [2022-03-19 01:40:08,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-03-19 01:40:08,899 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 01:40:08,899 INFO L500 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] [2022-03-19 01:40:08,899 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-19 01:40:08,900 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 01:40:08,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 01:40:08,900 INFO L85 PathProgramCache]: Analyzing trace with hash 1806652013, now seen corresponding path program 1 times [2022-03-19 01:40:08,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 01:40:08,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597928479] [2022-03-19 01:40:08,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 01:40:08,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 01:40:08,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:40:08,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 01:40:08,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:40:08,976 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-19 01:40:08,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 01:40:08,977 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597928479] [2022-03-19 01:40:08,977 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [597928479] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 01:40:08,977 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 01:40:08,977 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-19 01:40:08,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135161719] [2022-03-19 01:40:08,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 01:40:08,977 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-19 01:40:08,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-19 01:40:08,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-19 01:40:08,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-19 01:40:08,978 INFO L87 Difference]: Start difference. First operand 355 states and 492 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:40:09,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 01:40:09,120 INFO L93 Difference]: Finished difference Result 803 states and 1151 transitions. [2022-03-19 01:40:09,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-19 01:40:09,121 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 [2022-03-19 01:40:09,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 01:40:09,124 INFO L225 Difference]: With dead ends: 803 [2022-03-19 01:40:09,125 INFO L226 Difference]: Without dead ends: 459 [2022-03-19 01:40:09,125 INFO L911 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 [2022-03-19 01:40:09,126 INFO L912 BasicCegarLoop]: 174 mSDtfsCounter, 295 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 295 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-19 01:40:09,126 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [295 Valid, 181 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-19 01:40:09,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 459 states. [2022-03-19 01:40:09,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 459 to 433. [2022-03-19 01:40:09,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 428 states have (on average 1.4532710280373833) internal successors, (622), 428 states have internal predecessors, (622), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:40:09,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 626 transitions. [2022-03-19 01:40:09,138 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 626 transitions. Word has length 74 [2022-03-19 01:40:09,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 01:40:09,138 INFO L478 AbstractCegarLoop]: Abstraction has 433 states and 626 transitions. [2022-03-19 01:40:09,138 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) [2022-03-19 01:40:09,138 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 626 transitions. [2022-03-19 01:40:09,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-03-19 01:40:09,140 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 01:40:09,140 INFO L500 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-19 01:40:09,140 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-19 01:40:09,140 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 01:40:09,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 01:40:09,141 INFO L85 PathProgramCache]: Analyzing trace with hash 1033399768, now seen corresponding path program 1 times [2022-03-19 01:40:09,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 01:40:09,141 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384408302] [2022-03-19 01:40:09,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 01:40:09,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 01:40:09,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:40:09,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 01:40:09,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:40:09,194 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-03-19 01:40:09,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 01:40:09,194 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384408302] [2022-03-19 01:40:09,194 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [384408302] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 01:40:09,194 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 01:40:09,194 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-19 01:40:09,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070410781] [2022-03-19 01:40:09,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 01:40:09,195 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-19 01:40:09,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-19 01:40:09,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-19 01:40:09,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-19 01:40:09,196 INFO L87 Difference]: Start difference. First operand 433 states and 626 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:40:09,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 01:40:09,356 INFO L93 Difference]: Finished difference Result 901 states and 1312 transitions. [2022-03-19 01:40:09,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-19 01:40:09,356 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 78 [2022-03-19 01:40:09,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 01:40:09,358 INFO L225 Difference]: With dead ends: 901 [2022-03-19 01:40:09,358 INFO L226 Difference]: Without dead ends: 481 [2022-03-19 01:40:09,359 INFO L911 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 [2022-03-19 01:40:09,360 INFO L912 BasicCegarLoop]: 186 mSDtfsCounter, 185 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-19 01:40:09,360 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [185 Valid, 193 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-19 01:40:09,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2022-03-19 01:40:09,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 475. [2022-03-19 01:40:09,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 475 states, 470 states have (on average 1.4340425531914893) internal successors, (674), 470 states have internal predecessors, (674), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:40:09,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 475 states and 678 transitions. [2022-03-19 01:40:09,371 INFO L78 Accepts]: Start accepts. Automaton has 475 states and 678 transitions. Word has length 78 [2022-03-19 01:40:09,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 01:40:09,372 INFO L478 AbstractCegarLoop]: Abstraction has 475 states and 678 transitions. [2022-03-19 01:40:09,372 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:40:09,372 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 678 transitions. [2022-03-19 01:40:09,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-03-19 01:40:09,374 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 01:40:09,374 INFO L500 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-19 01:40:09,374 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-03-19 01:40:09,374 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 01:40:09,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 01:40:09,374 INFO L85 PathProgramCache]: Analyzing trace with hash 690032158, now seen corresponding path program 1 times [2022-03-19 01:40:09,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 01:40:09,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024280543] [2022-03-19 01:40:09,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 01:40:09,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 01:40:09,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:40:09,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 01:40:09,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:40:09,428 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-03-19 01:40:09,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 01:40:09,428 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024280543] [2022-03-19 01:40:09,428 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024280543] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 01:40:09,428 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 01:40:09,428 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-19 01:40:09,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422420775] [2022-03-19 01:40:09,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 01:40:09,429 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-19 01:40:09,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-19 01:40:09,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-19 01:40:09,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-19 01:40:09,430 INFO L87 Difference]: Start difference. First operand 475 states and 678 transitions. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 3 states have internal predecessors, (74), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:40:09,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 01:40:09,569 INFO L93 Difference]: Finished difference Result 956 states and 1370 transitions. [2022-03-19 01:40:09,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-19 01:40:09,569 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 3 states have internal predecessors, (74), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 98 [2022-03-19 01:40:09,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 01:40:09,571 INFO L225 Difference]: With dead ends: 956 [2022-03-19 01:40:09,571 INFO L226 Difference]: Without dead ends: 714 [2022-03-19 01:40:09,572 INFO L911 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 [2022-03-19 01:40:09,573 INFO L912 BasicCegarLoop]: 316 mSDtfsCounter, 296 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 296 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-19 01:40:09,573 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [296 Valid, 323 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-19 01:40:09,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 714 states. [2022-03-19 01:40:09,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 714 to 714. [2022-03-19 01:40:09,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 714 states, 709 states have (on average 1.4287729196050776) internal successors, (1013), 709 states have internal predecessors, (1013), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:40:09,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 714 states to 714 states and 1017 transitions. [2022-03-19 01:40:09,586 INFO L78 Accepts]: Start accepts. Automaton has 714 states and 1017 transitions. Word has length 98 [2022-03-19 01:40:09,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 01:40:09,586 INFO L478 AbstractCegarLoop]: Abstraction has 714 states and 1017 transitions. [2022-03-19 01:40:09,586 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 3 states have internal predecessors, (74), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:40:09,586 INFO L276 IsEmpty]: Start isEmpty. Operand 714 states and 1017 transitions. [2022-03-19 01:40:09,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-03-19 01:40:09,587 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 01:40:09,587 INFO L500 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-19 01:40:09,587 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-03-19 01:40:09,588 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 01:40:09,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 01:40:09,588 INFO L85 PathProgramCache]: Analyzing trace with hash -1117815363, now seen corresponding path program 1 times [2022-03-19 01:40:09,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 01:40:09,588 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476734313] [2022-03-19 01:40:09,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 01:40:09,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 01:40:09,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:40:09,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 01:40:09,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:40:09,615 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-03-19 01:40:09,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 01:40:09,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476734313] [2022-03-19 01:40:09,616 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476734313] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 01:40:09,616 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 01:40:09,616 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-19 01:40:09,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467808157] [2022-03-19 01:40:09,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 01:40:09,616 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-19 01:40:09,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-19 01:40:09,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-19 01:40:09,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-19 01:40:09,617 INFO L87 Difference]: Start difference. First operand 714 states and 1017 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:40:09,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 01:40:09,747 INFO L93 Difference]: Finished difference Result 1216 states and 1731 transitions. [2022-03-19 01:40:09,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-19 01:40:09,748 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 98 [2022-03-19 01:40:09,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 01:40:09,750 INFO L225 Difference]: With dead ends: 1216 [2022-03-19 01:40:09,750 INFO L226 Difference]: Without dead ends: 735 [2022-03-19 01:40:09,751 INFO L911 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 [2022-03-19 01:40:09,751 INFO L912 BasicCegarLoop]: 197 mSDtfsCounter, 183 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-19 01:40:09,752 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [183 Valid, 204 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-19 01:40:09,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 735 states. [2022-03-19 01:40:09,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 735 to 735. [2022-03-19 01:40:09,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 735 states, 730 states have (on average 1.4246575342465753) internal successors, (1040), 730 states have internal predecessors, (1040), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:40:09,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 735 states and 1044 transitions. [2022-03-19 01:40:09,765 INFO L78 Accepts]: Start accepts. Automaton has 735 states and 1044 transitions. Word has length 98 [2022-03-19 01:40:09,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 01:40:09,766 INFO L478 AbstractCegarLoop]: Abstraction has 735 states and 1044 transitions. [2022-03-19 01:40:09,766 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:40:09,766 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 1044 transitions. [2022-03-19 01:40:09,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-03-19 01:40:09,767 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 01:40:09,767 INFO L500 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-19 01:40:09,767 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-03-19 01:40:09,767 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 01:40:09,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 01:40:09,768 INFO L85 PathProgramCache]: Analyzing trace with hash 531892615, now seen corresponding path program 1 times [2022-03-19 01:40:09,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 01:40:09,768 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62720509] [2022-03-19 01:40:09,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 01:40:09,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 01:40:09,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:40:09,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 01:40:09,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:40:09,799 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2022-03-19 01:40:09,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 01:40:09,799 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62720509] [2022-03-19 01:40:09,799 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62720509] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 01:40:09,799 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 01:40:09,799 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-19 01:40:09,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089912504] [2022-03-19 01:40:09,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 01:40:09,800 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-19 01:40:09,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-19 01:40:09,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-19 01:40:09,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-19 01:40:09,800 INFO L87 Difference]: Start difference. First operand 735 states and 1044 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:40:09,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 01:40:09,943 INFO L93 Difference]: Finished difference Result 977 states and 1391 transitions. [2022-03-19 01:40:09,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-19 01:40:09,944 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 100 [2022-03-19 01:40:09,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 01:40:09,947 INFO L225 Difference]: With dead ends: 977 [2022-03-19 01:40:09,947 INFO L226 Difference]: Without dead ends: 975 [2022-03-19 01:40:09,947 INFO L911 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 [2022-03-19 01:40:09,948 INFO L912 BasicCegarLoop]: 164 mSDtfsCounter, 459 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 459 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-19 01:40:09,948 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [459 Valid, 171 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-19 01:40:09,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 975 states. [2022-03-19 01:40:09,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 975 to 975. [2022-03-19 01:40:09,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 975 states, 970 states have (on average 1.4278350515463918) internal successors, (1385), 970 states have internal predecessors, (1385), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:40:09,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 975 states to 975 states and 1389 transitions. [2022-03-19 01:40:09,966 INFO L78 Accepts]: Start accepts. Automaton has 975 states and 1389 transitions. Word has length 100 [2022-03-19 01:40:09,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 01:40:09,966 INFO L478 AbstractCegarLoop]: Abstraction has 975 states and 1389 transitions. [2022-03-19 01:40:09,966 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:40:09,966 INFO L276 IsEmpty]: Start isEmpty. Operand 975 states and 1389 transitions. [2022-03-19 01:40:09,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2022-03-19 01:40:09,968 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 01:40:09,968 INFO L500 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 8, 8, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-19 01:40:09,968 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-03-19 01:40:09,968 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 01:40:09,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 01:40:09,969 INFO L85 PathProgramCache]: Analyzing trace with hash -1531499270, now seen corresponding path program 1 times [2022-03-19 01:40:09,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 01:40:09,969 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781865154] [2022-03-19 01:40:09,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 01:40:09,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 01:40:09,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:40:10,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 01:40:10,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:40:10,005 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 286 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2022-03-19 01:40:10,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 01:40:10,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781865154] [2022-03-19 01:40:10,005 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [781865154] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 01:40:10,005 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 01:40:10,005 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-19 01:40:10,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754944844] [2022-03-19 01:40:10,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 01:40:10,006 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-19 01:40:10,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-19 01:40:10,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-19 01:40:10,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-19 01:40:10,006 INFO L87 Difference]: Start difference. First operand 975 states and 1389 transitions. Second operand has 4 states, 4 states have (on average 23.75) internal successors, (95), 3 states have internal predecessors, (95), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:40:10,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 01:40:10,214 INFO L93 Difference]: Finished difference Result 2141 states and 3101 transitions. [2022-03-19 01:40:10,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-19 01:40:10,215 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 3 states have internal predecessors, (95), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 169 [2022-03-19 01:40:10,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 01:40:10,218 INFO L225 Difference]: With dead ends: 2141 [2022-03-19 01:40:10,218 INFO L226 Difference]: Without dead ends: 1171 [2022-03-19 01:40:10,220 INFO L911 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 [2022-03-19 01:40:10,220 INFO L912 BasicCegarLoop]: 198 mSDtfsCounter, 237 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-19 01:40:10,221 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [237 Valid, 205 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-19 01:40:10,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1171 states. [2022-03-19 01:40:10,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1171 to 1131. [2022-03-19 01:40:10,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1131 states, 1126 states have (on average 1.4431616341030196) internal successors, (1625), 1126 states have internal predecessors, (1625), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:40:10,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1131 states to 1131 states and 1629 transitions. [2022-03-19 01:40:10,242 INFO L78 Accepts]: Start accepts. Automaton has 1131 states and 1629 transitions. Word has length 169 [2022-03-19 01:40:10,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 01:40:10,242 INFO L478 AbstractCegarLoop]: Abstraction has 1131 states and 1629 transitions. [2022-03-19 01:40:10,242 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 3 states have internal predecessors, (95), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:40:10,242 INFO L276 IsEmpty]: Start isEmpty. Operand 1131 states and 1629 transitions. [2022-03-19 01:40:10,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2022-03-19 01:40:10,245 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 01:40:10,245 INFO L500 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 9, 9, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-19 01:40:10,245 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-03-19 01:40:10,245 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 01:40:10,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 01:40:10,245 INFO L85 PathProgramCache]: Analyzing trace with hash -1426975046, now seen corresponding path program 1 times [2022-03-19 01:40:10,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 01:40:10,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306882440] [2022-03-19 01:40:10,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 01:40:10,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 01:40:10,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:40:10,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 01:40:10,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:40:10,294 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 366 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2022-03-19 01:40:10,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 01:40:10,295 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306882440] [2022-03-19 01:40:10,295 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306882440] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 01:40:10,295 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 01:40:10,295 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-19 01:40:10,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639105943] [2022-03-19 01:40:10,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 01:40:10,295 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-19 01:40:10,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-19 01:40:10,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-19 01:40:10,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-19 01:40:10,296 INFO L87 Difference]: Start difference. First operand 1131 states and 1629 transitions. Second operand has 4 states, 4 states have (on average 30.5) internal successors, (122), 3 states have internal predecessors, (122), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:40:10,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 01:40:10,457 INFO L93 Difference]: Finished difference Result 2355 states and 3371 transitions. [2022-03-19 01:40:10,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-19 01:40:10,457 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 30.5) internal successors, (122), 3 states have internal predecessors, (122), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 205 [2022-03-19 01:40:10,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 01:40:10,461 INFO L225 Difference]: With dead ends: 2355 [2022-03-19 01:40:10,461 INFO L226 Difference]: Without dead ends: 1237 [2022-03-19 01:40:10,462 INFO L911 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 [2022-03-19 01:40:10,463 INFO L912 BasicCegarLoop]: 186 mSDtfsCounter, 187 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-19 01:40:10,463 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [187 Valid, 193 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-19 01:40:10,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1237 states. [2022-03-19 01:40:10,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1237 to 1223. [2022-03-19 01:40:10,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1223 states, 1218 states have (on average 1.4261083743842364) internal successors, (1737), 1218 states have internal predecessors, (1737), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:40:10,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1223 states to 1223 states and 1741 transitions. [2022-03-19 01:40:10,485 INFO L78 Accepts]: Start accepts. Automaton has 1223 states and 1741 transitions. Word has length 205 [2022-03-19 01:40:10,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 01:40:10,486 INFO L478 AbstractCegarLoop]: Abstraction has 1223 states and 1741 transitions. [2022-03-19 01:40:10,486 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.5) internal successors, (122), 3 states have internal predecessors, (122), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:40:10,486 INFO L276 IsEmpty]: Start isEmpty. Operand 1223 states and 1741 transitions. [2022-03-19 01:40:10,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2022-03-19 01:40:10,489 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 01:40:10,489 INFO L500 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 10, 10, 9, 9, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-19 01:40:10,489 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-03-19 01:40:10,489 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 01:40:10,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 01:40:10,489 INFO L85 PathProgramCache]: Analyzing trace with hash 1195422498, now seen corresponding path program 1 times [2022-03-19 01:40:10,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 01:40:10,490 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537774549] [2022-03-19 01:40:10,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 01:40:10,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 01:40:10,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:40:10,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 01:40:10,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:40:10,530 INFO L134 CoverageAnalysis]: Checked inductivity of 688 backedges. 456 proven. 0 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2022-03-19 01:40:10,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 01:40:10,531 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537774549] [2022-03-19 01:40:10,531 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537774549] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 01:40:10,531 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 01:40:10,531 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-19 01:40:10,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088279487] [2022-03-19 01:40:10,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 01:40:10,531 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-19 01:40:10,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-19 01:40:10,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-19 01:40:10,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-19 01:40:10,532 INFO L87 Difference]: Start difference. First operand 1223 states and 1741 transitions. Second operand has 4 states, 4 states have (on average 32.0) internal successors, (128), 3 states have internal predecessors, (128), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:40:10,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 01:40:10,697 INFO L93 Difference]: Finished difference Result 2545 states and 3613 transitions. [2022-03-19 01:40:10,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-19 01:40:10,697 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.0) internal successors, (128), 3 states have internal predecessors, (128), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 226 [2022-03-19 01:40:10,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 01:40:10,701 INFO L225 Difference]: With dead ends: 2545 [2022-03-19 01:40:10,701 INFO L226 Difference]: Without dead ends: 1335 [2022-03-19 01:40:10,703 INFO L911 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 [2022-03-19 01:40:10,703 INFO L912 BasicCegarLoop]: 186 mSDtfsCounter, 184 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-19 01:40:10,703 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [184 Valid, 193 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-19 01:40:10,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1335 states. [2022-03-19 01:40:10,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1335 to 1323. [2022-03-19 01:40:10,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1323 states, 1318 states have (on average 1.4089529590288317) internal successors, (1857), 1318 states have internal predecessors, (1857), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:40:10,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1323 states to 1323 states and 1861 transitions. [2022-03-19 01:40:10,728 INFO L78 Accepts]: Start accepts. Automaton has 1323 states and 1861 transitions. Word has length 226 [2022-03-19 01:40:10,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 01:40:10,728 INFO L478 AbstractCegarLoop]: Abstraction has 1323 states and 1861 transitions. [2022-03-19 01:40:10,728 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) [2022-03-19 01:40:10,728 INFO L276 IsEmpty]: Start isEmpty. Operand 1323 states and 1861 transitions. [2022-03-19 01:40:10,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-03-19 01:40:10,731 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 01:40:10,731 INFO L500 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 11, 11, 10, 10, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-19 01:40:10,731 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-03-19 01:40:10,732 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 01:40:10,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 01:40:10,732 INFO L85 PathProgramCache]: Analyzing trace with hash -454255385, now seen corresponding path program 1 times [2022-03-19 01:40:10,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 01:40:10,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612683256] [2022-03-19 01:40:10,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 01:40:10,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 01:40:10,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:40:10,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 01:40:10,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:40:10,791 INFO L134 CoverageAnalysis]: Checked inductivity of 846 backedges. 546 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2022-03-19 01:40:10,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 01:40:10,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612683256] [2022-03-19 01:40:10,792 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [612683256] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 01:40:10,792 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 01:40:10,792 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-19 01:40:10,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480824353] [2022-03-19 01:40:10,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 01:40:10,793 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-19 01:40:10,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-19 01:40:10,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-19 01:40:10,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-19 01:40:10,793 INFO L87 Difference]: Start difference. First operand 1323 states and 1861 transitions. Second operand has 4 states, 4 states have (on average 33.75) internal successors, (135), 3 states have internal predecessors, (135), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:40:10,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 01:40:10,964 INFO L93 Difference]: Finished difference Result 2753 states and 3865 transitions. [2022-03-19 01:40:10,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-19 01:40:10,964 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.75) internal successors, (135), 3 states have internal predecessors, (135), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 250 [2022-03-19 01:40:10,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 01:40:10,968 INFO L225 Difference]: With dead ends: 2753 [2022-03-19 01:40:10,968 INFO L226 Difference]: Without dead ends: 1443 [2022-03-19 01:40:10,970 INFO L911 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 [2022-03-19 01:40:10,971 INFO L912 BasicCegarLoop]: 186 mSDtfsCounter, 182 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-19 01:40:10,971 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [182 Valid, 193 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-19 01:40:10,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1443 states. [2022-03-19 01:40:10,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1443 to 1435. [2022-03-19 01:40:10,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1435 states, 1430 states have (on average 1.3909090909090909) internal successors, (1989), 1430 states have internal predecessors, (1989), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:40:10,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1435 states to 1435 states and 1993 transitions. [2022-03-19 01:40:10,997 INFO L78 Accepts]: Start accepts. Automaton has 1435 states and 1993 transitions. Word has length 250 [2022-03-19 01:40:10,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 01:40:10,998 INFO L478 AbstractCegarLoop]: Abstraction has 1435 states and 1993 transitions. [2022-03-19 01:40:10,998 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.75) internal successors, (135), 3 states have internal predecessors, (135), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:40:10,998 INFO L276 IsEmpty]: Start isEmpty. Operand 1435 states and 1993 transitions. [2022-03-19 01:40:11,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-03-19 01:40:11,001 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 01:40:11,001 INFO L500 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 11, 11, 10, 10, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-19 01:40:11,001 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-03-19 01:40:11,001 INFO L403 AbstractCegarLoop]: === Iteration 14 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 01:40:11,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 01:40:11,002 INFO L85 PathProgramCache]: Analyzing trace with hash -746641210, now seen corresponding path program 1 times [2022-03-19 01:40:11,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 01:40:11,002 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669467823] [2022-03-19 01:40:11,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 01:40:11,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 01:40:11,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:40:11,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 01:40:11,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:40:11,048 INFO L134 CoverageAnalysis]: Checked inductivity of 846 backedges. 546 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2022-03-19 01:40:11,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 01:40:11,048 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669467823] [2022-03-19 01:40:11,049 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669467823] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 01:40:11,049 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 01:40:11,049 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-19 01:40:11,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410677141] [2022-03-19 01:40:11,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 01:40:11,049 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-19 01:40:11,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-19 01:40:11,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-19 01:40:11,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-19 01:40:11,050 INFO L87 Difference]: Start difference. First operand 1435 states and 1993 transitions. Second operand has 4 states, 4 states have (on average 33.75) internal successors, (135), 3 states have internal predecessors, (135), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:40:11,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 01:40:11,226 INFO L93 Difference]: Finished difference Result 2993 states and 4165 transitions. [2022-03-19 01:40:11,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-19 01:40:11,227 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.75) internal successors, (135), 3 states have internal predecessors, (135), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 250 [2022-03-19 01:40:11,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 01:40:11,231 INFO L225 Difference]: With dead ends: 2993 [2022-03-19 01:40:11,231 INFO L226 Difference]: Without dead ends: 1571 [2022-03-19 01:40:11,233 INFO L911 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 [2022-03-19 01:40:11,234 INFO L912 BasicCegarLoop]: 187 mSDtfsCounter, 184 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-19 01:40:11,234 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [184 Valid, 194 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-19 01:40:11,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1571 states. [2022-03-19 01:40:11,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1571 to 1559. [2022-03-19 01:40:11,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1559 states, 1554 states have (on average 1.3725868725868726) internal successors, (2133), 1554 states have internal predecessors, (2133), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:40:11,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1559 states to 1559 states and 2137 transitions. [2022-03-19 01:40:11,262 INFO L78 Accepts]: Start accepts. Automaton has 1559 states and 2137 transitions. Word has length 250 [2022-03-19 01:40:11,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 01:40:11,263 INFO L478 AbstractCegarLoop]: Abstraction has 1559 states and 2137 transitions. [2022-03-19 01:40:11,263 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.75) internal successors, (135), 3 states have internal predecessors, (135), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:40:11,263 INFO L276 IsEmpty]: Start isEmpty. Operand 1559 states and 2137 transitions. [2022-03-19 01:40:11,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2022-03-19 01:40:11,266 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 01:40:11,266 INFO L500 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 12, 12, 11, 11, 9, 9, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-19 01:40:11,267 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-03-19 01:40:11,267 INFO L403 AbstractCegarLoop]: === Iteration 15 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 01:40:11,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 01:40:11,267 INFO L85 PathProgramCache]: Analyzing trace with hash -514717482, now seen corresponding path program 1 times [2022-03-19 01:40:11,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 01:40:11,267 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672004883] [2022-03-19 01:40:11,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 01:40:11,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 01:40:11,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:40:11,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 01:40:11,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:40:11,314 INFO L134 CoverageAnalysis]: Checked inductivity of 1030 backedges. 660 proven. 0 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2022-03-19 01:40:11,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 01:40:11,315 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672004883] [2022-03-19 01:40:11,315 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672004883] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 01:40:11,315 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 01:40:11,315 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-19 01:40:11,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187211251] [2022-03-19 01:40:11,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 01:40:11,315 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-19 01:40:11,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-19 01:40:11,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-19 01:40:11,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-19 01:40:11,316 INFO L87 Difference]: Start difference. First operand 1559 states and 2137 transitions. Second operand has 4 states, 4 states have (on average 37.0) internal successors, (148), 3 states have internal predecessors, (148), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:40:11,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 01:40:11,506 INFO L93 Difference]: Finished difference Result 4647 states and 6373 transitions. [2022-03-19 01:40:11,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-19 01:40:11,506 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 37.0) internal successors, (148), 3 states have internal predecessors, (148), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 280 [2022-03-19 01:40:11,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 01:40:11,515 INFO L225 Difference]: With dead ends: 4647 [2022-03-19 01:40:11,515 INFO L226 Difference]: Without dead ends: 3101 [2022-03-19 01:40:11,519 INFO L911 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 [2022-03-19 01:40:11,520 INFO L912 BasicCegarLoop]: 326 mSDtfsCounter, 299 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 299 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-19 01:40:11,520 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [299 Valid, 333 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-19 01:40:11,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3101 states. [2022-03-19 01:40:11,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3101 to 3099. [2022-03-19 01:40:11,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3099 states, 3094 states have (on average 1.3716871363930188) internal successors, (4244), 3094 states have internal predecessors, (4244), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:40:11,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3099 states to 3099 states and 4248 transitions. [2022-03-19 01:40:11,590 INFO L78 Accepts]: Start accepts. Automaton has 3099 states and 4248 transitions. Word has length 280 [2022-03-19 01:40:11,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 01:40:11,590 INFO L478 AbstractCegarLoop]: Abstraction has 3099 states and 4248 transitions. [2022-03-19 01:40:11,591 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 37.0) internal successors, (148), 3 states have internal predecessors, (148), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:40:11,591 INFO L276 IsEmpty]: Start isEmpty. Operand 3099 states and 4248 transitions. [2022-03-19 01:40:11,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2022-03-19 01:40:11,596 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 01:40:11,596 INFO L500 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 12, 12, 11, 11, 9, 9, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-19 01:40:11,596 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-03-19 01:40:11,597 INFO L403 AbstractCegarLoop]: === Iteration 16 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 01:40:11,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 01:40:11,597 INFO L85 PathProgramCache]: Analyzing trace with hash -807103307, now seen corresponding path program 1 times [2022-03-19 01:40:11,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 01:40:11,597 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233377057] [2022-03-19 01:40:11,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 01:40:11,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 01:40:11,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:40:11,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 01:40:11,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:40:11,653 INFO L134 CoverageAnalysis]: Checked inductivity of 1030 backedges. 642 proven. 0 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2022-03-19 01:40:11,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 01:40:11,653 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233377057] [2022-03-19 01:40:11,654 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1233377057] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 01:40:11,654 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 01:40:11,654 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-19 01:40:11,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834275499] [2022-03-19 01:40:11,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 01:40:11,655 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-19 01:40:11,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-19 01:40:11,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-19 01:40:11,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-19 01:40:11,655 INFO L87 Difference]: Start difference. First operand 3099 states and 4248 transitions. Second operand has 4 states, 4 states have (on average 36.5) internal successors, (146), 3 states have internal predecessors, (146), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:40:11,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 01:40:11,859 INFO L93 Difference]: Finished difference Result 6485 states and 8923 transitions. [2022-03-19 01:40:11,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-19 01:40:11,860 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 36.5) internal successors, (146), 3 states have internal predecessors, (146), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 280 [2022-03-19 01:40:11,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 01:40:11,869 INFO L225 Difference]: With dead ends: 6485 [2022-03-19 01:40:11,870 INFO L226 Difference]: Without dead ends: 3399 [2022-03-19 01:40:11,874 INFO L911 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 [2022-03-19 01:40:11,875 INFO L912 BasicCegarLoop]: 187 mSDtfsCounter, 183 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-19 01:40:11,875 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [183 Valid, 194 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-19 01:40:11,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3399 states. [2022-03-19 01:40:11,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3399 to 3383. [2022-03-19 01:40:11,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3383 states, 3378 states have (on average 1.3522794552989934) internal successors, (4568), 3378 states have internal predecessors, (4568), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:40:11,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3383 states to 3383 states and 4572 transitions. [2022-03-19 01:40:11,945 INFO L78 Accepts]: Start accepts. Automaton has 3383 states and 4572 transitions. Word has length 280 [2022-03-19 01:40:11,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 01:40:11,946 INFO L478 AbstractCegarLoop]: Abstraction has 3383 states and 4572 transitions. [2022-03-19 01:40:11,946 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 36.5) internal successors, (146), 3 states have internal predecessors, (146), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:40:11,946 INFO L276 IsEmpty]: Start isEmpty. Operand 3383 states and 4572 transitions. [2022-03-19 01:40:11,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2022-03-19 01:40:11,952 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 01:40:11,952 INFO L500 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 13, 13, 12, 12, 10, 10, 8, 8, 6, 6, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-19 01:40:11,952 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-03-19 01:40:11,952 INFO L403 AbstractCegarLoop]: === Iteration 17 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 01:40:11,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 01:40:11,953 INFO L85 PathProgramCache]: Analyzing trace with hash 574436732, now seen corresponding path program 1 times [2022-03-19 01:40:11,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 01:40:11,953 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862472571] [2022-03-19 01:40:11,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 01:40:11,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 01:40:11,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:40:11,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 01:40:11,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:40:11,999 INFO L134 CoverageAnalysis]: Checked inductivity of 1232 backedges. 734 proven. 0 refuted. 0 times theorem prover too weak. 498 trivial. 0 not checked. [2022-03-19 01:40:11,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 01:40:11,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862472571] [2022-03-19 01:40:11,999 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [862472571] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 01:40:11,999 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 01:40:12,000 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-19 01:40:12,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782058756] [2022-03-19 01:40:12,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 01:40:12,000 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-19 01:40:12,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-19 01:40:12,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-19 01:40:12,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-19 01:40:12,001 INFO L87 Difference]: Start difference. First operand 3383 states and 4572 transitions. Second operand has 4 states, 4 states have (on average 37.25) internal successors, (149), 3 states have internal predecessors, (149), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:40:12,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 01:40:12,213 INFO L93 Difference]: Finished difference Result 6901 states and 9339 transitions. [2022-03-19 01:40:12,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-19 01:40:12,213 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 37.25) internal successors, (149), 3 states have internal predecessors, (149), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 304 [2022-03-19 01:40:12,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 01:40:12,223 INFO L225 Difference]: With dead ends: 6901 [2022-03-19 01:40:12,223 INFO L226 Difference]: Without dead ends: 3531 [2022-03-19 01:40:12,228 INFO L911 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 [2022-03-19 01:40:12,229 INFO L912 BasicCegarLoop]: 186 mSDtfsCounter, 182 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-19 01:40:12,229 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [182 Valid, 193 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-19 01:40:12,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3531 states. [2022-03-19 01:40:12,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3531 to 3515. [2022-03-19 01:40:12,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3515 states, 3510 states have (on average 1.3447293447293447) internal successors, (4720), 3510 states have internal predecessors, (4720), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:40:12,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3515 states to 3515 states and 4724 transitions. [2022-03-19 01:40:12,296 INFO L78 Accepts]: Start accepts. Automaton has 3515 states and 4724 transitions. Word has length 304 [2022-03-19 01:40:12,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 01:40:12,297 INFO L478 AbstractCegarLoop]: Abstraction has 3515 states and 4724 transitions. [2022-03-19 01:40:12,297 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 37.25) internal successors, (149), 3 states have internal predecessors, (149), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:40:12,297 INFO L276 IsEmpty]: Start isEmpty. Operand 3515 states and 4724 transitions. [2022-03-19 01:40:12,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2022-03-19 01:40:12,303 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 01:40:12,304 INFO L500 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 13, 13, 12, 12, 10, 10, 8, 8, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-19 01:40:12,304 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-03-19 01:40:12,304 INFO L403 AbstractCegarLoop]: === Iteration 18 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 01:40:12,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 01:40:12,304 INFO L85 PathProgramCache]: Analyzing trace with hash -113569885, now seen corresponding path program 1 times [2022-03-19 01:40:12,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 01:40:12,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929279578] [2022-03-19 01:40:12,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 01:40:12,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 01:40:12,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:40:12,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 01:40:12,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:40:12,352 INFO L134 CoverageAnalysis]: Checked inductivity of 1244 backedges. 638 proven. 0 refuted. 0 times theorem prover too weak. 606 trivial. 0 not checked. [2022-03-19 01:40:12,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 01:40:12,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929279578] [2022-03-19 01:40:12,352 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929279578] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 01:40:12,353 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 01:40:12,353 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-19 01:40:12,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983531759] [2022-03-19 01:40:12,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 01:40:12,353 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-19 01:40:12,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-19 01:40:12,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-19 01:40:12,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-19 01:40:12,354 INFO L87 Difference]: Start difference. First operand 3515 states and 4724 transitions. Second operand has 4 states, 4 states have (on average 34.0) internal successors, (136), 3 states have internal predecessors, (136), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:40:12,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 01:40:12,564 INFO L93 Difference]: Finished difference Result 7417 states and 10103 transitions. [2022-03-19 01:40:12,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-19 01:40:12,564 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.0) internal successors, (136), 3 states have internal predecessors, (136), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 315 [2022-03-19 01:40:12,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 01:40:12,575 INFO L225 Difference]: With dead ends: 7417 [2022-03-19 01:40:12,575 INFO L226 Difference]: Without dead ends: 3915 [2022-03-19 01:40:12,581 INFO L911 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 [2022-03-19 01:40:12,581 INFO L912 BasicCegarLoop]: 187 mSDtfsCounter, 232 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-19 01:40:12,581 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [232 Valid, 194 Invalid, 226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-19 01:40:12,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3915 states. [2022-03-19 01:40:12,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3915 to 3827. [2022-03-19 01:40:12,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3827 states, 3822 states have (on average 1.3312401883830456) internal successors, (5088), 3822 states have internal predecessors, (5088), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:40:12,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3827 states to 3827 states and 5092 transitions. [2022-03-19 01:40:12,686 INFO L78 Accepts]: Start accepts. Automaton has 3827 states and 5092 transitions. Word has length 315 [2022-03-19 01:40:12,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 01:40:12,687 INFO L478 AbstractCegarLoop]: Abstraction has 3827 states and 5092 transitions. [2022-03-19 01:40:12,687 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.0) internal successors, (136), 3 states have internal predecessors, (136), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:40:12,687 INFO L276 IsEmpty]: Start isEmpty. Operand 3827 states and 5092 transitions. [2022-03-19 01:40:12,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2022-03-19 01:40:12,699 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 01:40:12,699 INFO L500 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 14, 14, 14, 14, 14, 12, 12, 10, 10, 8, 8, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-19 01:40:12,699 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-03-19 01:40:12,700 INFO L403 AbstractCegarLoop]: === Iteration 19 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 01:40:12,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 01:40:12,700 INFO L85 PathProgramCache]: Analyzing trace with hash -1657886751, now seen corresponding path program 1 times [2022-03-19 01:40:12,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 01:40:12,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914328516] [2022-03-19 01:40:12,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 01:40:12,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 01:40:12,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:40:12,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 01:40:12,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:40:12,753 INFO L134 CoverageAnalysis]: Checked inductivity of 1340 backedges. 694 proven. 0 refuted. 0 times theorem prover too weak. 646 trivial. 0 not checked. [2022-03-19 01:40:12,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 01:40:12,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914328516] [2022-03-19 01:40:12,753 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914328516] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 01:40:12,753 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 01:40:12,753 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-19 01:40:12,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236916339] [2022-03-19 01:40:12,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 01:40:12,755 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-19 01:40:12,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-19 01:40:12,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-19 01:40:12,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-19 01:40:12,756 INFO L87 Difference]: Start difference. First operand 3827 states and 5092 transitions. Second operand has 4 states, 4 states have (on average 35.25) internal successors, (141), 3 states have internal predecessors, (141), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:40:12,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 01:40:12,942 INFO L93 Difference]: Finished difference Result 8049 states and 10647 transitions. [2022-03-19 01:40:12,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-19 01:40:12,943 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.25) internal successors, (141), 3 states have internal predecessors, (141), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 329 [2022-03-19 01:40:12,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 01:40:12,954 INFO L225 Difference]: With dead ends: 8049 [2022-03-19 01:40:12,954 INFO L226 Difference]: Without dead ends: 4235 [2022-03-19 01:40:12,960 INFO L911 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 [2022-03-19 01:40:12,960 INFO L912 BasicCegarLoop]: 185 mSDtfsCounter, 279 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 279 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-19 01:40:12,961 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [279 Valid, 192 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-19 01:40:12,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4235 states. [2022-03-19 01:40:13,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4235 to 3947. [2022-03-19 01:40:13,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3947 states, 3942 states have (on average 1.3272450532724505) internal successors, (5232), 3942 states have internal predecessors, (5232), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:40:13,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3947 states to 3947 states and 5236 transitions. [2022-03-19 01:40:13,032 INFO L78 Accepts]: Start accepts. Automaton has 3947 states and 5236 transitions. Word has length 329 [2022-03-19 01:40:13,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 01:40:13,033 INFO L478 AbstractCegarLoop]: Abstraction has 3947 states and 5236 transitions. [2022-03-19 01:40:13,033 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.25) internal successors, (141), 3 states have internal predecessors, (141), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:40:13,033 INFO L276 IsEmpty]: Start isEmpty. Operand 3947 states and 5236 transitions. [2022-03-19 01:40:13,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2022-03-19 01:40:13,040 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 01:40:13,040 INFO L500 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 14, 14, 14, 14, 14, 12, 12, 10, 10, 8, 8, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-19 01:40:13,040 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-03-19 01:40:13,041 INFO L403 AbstractCegarLoop]: === Iteration 20 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 01:40:13,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 01:40:13,041 INFO L85 PathProgramCache]: Analyzing trace with hash -305167178, now seen corresponding path program 1 times [2022-03-19 01:40:13,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 01:40:13,041 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141393344] [2022-03-19 01:40:13,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 01:40:13,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 01:40:13,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:40:13,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 01:40:13,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:40:13,092 INFO L134 CoverageAnalysis]: Checked inductivity of 1340 backedges. 799 proven. 0 refuted. 0 times theorem prover too weak. 541 trivial. 0 not checked. [2022-03-19 01:40:13,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 01:40:13,092 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141393344] [2022-03-19 01:40:13,092 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2141393344] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 01:40:13,092 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 01:40:13,092 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-19 01:40:13,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045179819] [2022-03-19 01:40:13,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 01:40:13,093 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-19 01:40:13,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-19 01:40:13,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-19 01:40:13,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-19 01:40:13,093 INFO L87 Difference]: Start difference. First operand 3947 states and 5236 transitions. Second operand has 4 states, 4 states have (on average 36.75) internal successors, (147), 3 states have internal predecessors, (147), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:40:13,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 01:40:13,300 INFO L93 Difference]: Finished difference Result 11311 states and 15082 transitions. [2022-03-19 01:40:13,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-19 01:40:13,301 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 36.75) internal successors, (147), 3 states have internal predecessors, (147), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 330 [2022-03-19 01:40:13,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 01:40:13,314 INFO L225 Difference]: With dead ends: 11311 [2022-03-19 01:40:13,314 INFO L226 Difference]: Without dead ends: 7377 [2022-03-19 01:40:13,321 INFO L911 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 [2022-03-19 01:40:13,322 INFO L912 BasicCegarLoop]: 316 mSDtfsCounter, 262 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-19 01:40:13,322 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [262 Valid, 323 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-19 01:40:13,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7377 states. [2022-03-19 01:40:13,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7377 to 7375. [2022-03-19 01:40:13,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7375 states, 7370 states have (on average 1.3343283582089551) internal successors, (9834), 7370 states have internal predecessors, (9834), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:40:13,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7375 states to 7375 states and 9838 transitions. [2022-03-19 01:40:13,454 INFO L78 Accepts]: Start accepts. Automaton has 7375 states and 9838 transitions. Word has length 330 [2022-03-19 01:40:13,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 01:40:13,454 INFO L478 AbstractCegarLoop]: Abstraction has 7375 states and 9838 transitions. [2022-03-19 01:40:13,454 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 36.75) internal successors, (147), 3 states have internal predecessors, (147), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:40:13,454 INFO L276 IsEmpty]: Start isEmpty. Operand 7375 states and 9838 transitions. [2022-03-19 01:40:13,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2022-03-19 01:40:13,464 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 01:40:13,464 INFO L500 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 14, 14, 14, 14, 14, 12, 12, 10, 10, 8, 8, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-19 01:40:13,464 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-03-19 01:40:13,465 INFO L403 AbstractCegarLoop]: === Iteration 21 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 01:40:13,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 01:40:13,465 INFO L85 PathProgramCache]: Analyzing trace with hash 1008792070, now seen corresponding path program 1 times [2022-03-19 01:40:13,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 01:40:13,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636380420] [2022-03-19 01:40:13,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 01:40:13,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 01:40:13,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:40:13,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 01:40:13,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:40:13,512 INFO L134 CoverageAnalysis]: Checked inductivity of 1340 backedges. 803 proven. 0 refuted. 0 times theorem prover too weak. 537 trivial. 0 not checked. [2022-03-19 01:40:13,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 01:40:13,512 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636380420] [2022-03-19 01:40:13,512 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636380420] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 01:40:13,512 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 01:40:13,512 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-19 01:40:13,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889427988] [2022-03-19 01:40:13,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 01:40:13,513 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-19 01:40:13,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-19 01:40:13,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-19 01:40:13,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-19 01:40:13,514 INFO L87 Difference]: Start difference. First operand 7375 states and 9838 transitions. Second operand has 4 states, 4 states have (on average 41.5) internal successors, (166), 3 states have internal predecessors, (166), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:40:13,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 01:40:13,789 INFO L93 Difference]: Finished difference Result 14745 states and 19651 transitions. [2022-03-19 01:40:13,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-19 01:40:13,789 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 41.5) internal successors, (166), 3 states have internal predecessors, (166), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 331 [2022-03-19 01:40:13,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 01:40:13,801 INFO L225 Difference]: With dead ends: 14745 [2022-03-19 01:40:13,801 INFO L226 Difference]: Without dead ends: 7383 [2022-03-19 01:40:13,812 INFO L911 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 [2022-03-19 01:40:13,814 INFO L912 BasicCegarLoop]: 186 mSDtfsCounter, 182 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-19 01:40:13,814 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [182 Valid, 193 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-19 01:40:13,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7383 states. [2022-03-19 01:40:13,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7383 to 7351. [2022-03-19 01:40:13,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7351 states, 7346 states have (on average 1.3005717397222978) internal successors, (9554), 7346 states have internal predecessors, (9554), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:40:13,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7351 states to 7351 states and 9558 transitions. [2022-03-19 01:40:13,949 INFO L78 Accepts]: Start accepts. Automaton has 7351 states and 9558 transitions. Word has length 331 [2022-03-19 01:40:13,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 01:40:13,949 INFO L478 AbstractCegarLoop]: Abstraction has 7351 states and 9558 transitions. [2022-03-19 01:40:13,949 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 41.5) internal successors, (166), 3 states have internal predecessors, (166), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:40:13,949 INFO L276 IsEmpty]: Start isEmpty. Operand 7351 states and 9558 transitions. [2022-03-19 01:40:13,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2022-03-19 01:40:13,959 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 01:40:13,959 INFO L500 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 14, 14, 13, 13, 11, 11, 9, 9, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-19 01:40:13,959 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-03-19 01:40:13,960 INFO L403 AbstractCegarLoop]: === Iteration 22 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 01:40:13,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 01:40:13,960 INFO L85 PathProgramCache]: Analyzing trace with hash 1292890563, now seen corresponding path program 1 times [2022-03-19 01:40:13,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 01:40:13,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075582486] [2022-03-19 01:40:13,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 01:40:13,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 01:40:13,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:40:14,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 01:40:14,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:40:14,027 INFO L134 CoverageAnalysis]: Checked inductivity of 1490 backedges. 874 proven. 10 refuted. 0 times theorem prover too weak. 606 trivial. 0 not checked. [2022-03-19 01:40:14,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 01:40:14,027 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075582486] [2022-03-19 01:40:14,027 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075582486] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-19 01:40:14,027 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1313877470] [2022-03-19 01:40:14,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 01:40:14,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-19 01:40:14,027 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-19 01:40:14,029 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) [2022-03-19 01:40:14,063 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-03-19 01:40:14,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:40:14,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 702 conjuncts, 5 conjunts are in the unsatisfiable core [2022-03-19 01:40:14,172 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-19 01:40:14,649 INFO L134 CoverageAnalysis]: Checked inductivity of 1490 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 1378 trivial. 0 not checked. [2022-03-19 01:40:14,649 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-19 01:40:14,649 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1313877470] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 01:40:14,649 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-19 01:40:14,650 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2022-03-19 01:40:14,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562902062] [2022-03-19 01:40:14,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 01:40:14,650 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-19 01:40:14,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-19 01:40:14,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-19 01:40:14,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-03-19 01:40:14,651 INFO L87 Difference]: Start difference. First operand 7351 states and 9558 transitions. Second operand has 5 states, 4 states have (on average 27.0) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:40:14,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 01:40:14,824 INFO L93 Difference]: Finished difference Result 14867 states and 19340 transitions. [2022-03-19 01:40:14,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-19 01:40:14,825 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 27.0) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 354 [2022-03-19 01:40:14,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 01:40:14,836 INFO L225 Difference]: With dead ends: 14867 [2022-03-19 01:40:14,837 INFO L226 Difference]: Without dead ends: 7501 [2022-03-19 01:40:14,848 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 360 GetRequests, 353 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-03-19 01:40:14,849 INFO L912 BasicCegarLoop]: 150 mSDtfsCounter, 249 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-19 01:40:14,849 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [249 Valid, 384 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-19 01:40:14,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7501 states. [2022-03-19 01:40:14,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7501 to 7357. [2022-03-19 01:40:14,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7357 states, 7352 states have (on average 1.3005984766050054) internal successors, (9562), 7352 states have internal predecessors, (9562), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:40:14,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7357 states to 7357 states and 9566 transitions. [2022-03-19 01:40:14,975 INFO L78 Accepts]: Start accepts. Automaton has 7357 states and 9566 transitions. Word has length 354 [2022-03-19 01:40:14,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 01:40:14,975 INFO L478 AbstractCegarLoop]: Abstraction has 7357 states and 9566 transitions. [2022-03-19 01:40:14,975 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 27.0) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:40:14,975 INFO L276 IsEmpty]: Start isEmpty. Operand 7357 states and 9566 transitions. [2022-03-19 01:40:14,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2022-03-19 01:40:14,984 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 01:40:14,984 INFO L500 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 15, 13, 13, 11, 11, 9, 9, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-19 01:40:15,005 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-03-19 01:40:15,199 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2022-03-19 01:40:15,200 INFO L403 AbstractCegarLoop]: === Iteration 23 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 01:40:15,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 01:40:15,200 INFO L85 PathProgramCache]: Analyzing trace with hash -1908767314, now seen corresponding path program 1 times [2022-03-19 01:40:15,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 01:40:15,200 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832599019] [2022-03-19 01:40:15,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 01:40:15,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 01:40:15,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:40:15,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 01:40:15,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:40:15,260 INFO L134 CoverageAnalysis]: Checked inductivity of 1563 backedges. 904 proven. 10 refuted. 0 times theorem prover too weak. 649 trivial. 0 not checked. [2022-03-19 01:40:15,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 01:40:15,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832599019] [2022-03-19 01:40:15,261 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832599019] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-19 01:40:15,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1060863821] [2022-03-19 01:40:15,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 01:40:15,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-19 01:40:15,261 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-19 01:40:15,262 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) [2022-03-19 01:40:15,263 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-19 01:40:15,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:40:15,372 INFO L263 TraceCheckSpWp]: Trace formula consists of 734 conjuncts, 3 conjunts are in the unsatisfiable core [2022-03-19 01:40:15,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-19 01:40:15,752 INFO L134 CoverageAnalysis]: Checked inductivity of 1563 backedges. 904 proven. 10 refuted. 0 times theorem prover too weak. 649 trivial. 0 not checked. [2022-03-19 01:40:15,752 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-19 01:40:16,207 INFO L134 CoverageAnalysis]: Checked inductivity of 1563 backedges. 904 proven. 10 refuted. 0 times theorem prover too weak. 649 trivial. 0 not checked. [2022-03-19 01:40:16,207 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1060863821] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-19 01:40:16,207 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-19 01:40:16,207 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 7 [2022-03-19 01:40:16,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085335574] [2022-03-19 01:40:16,207 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-19 01:40:16,208 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-19 01:40:16,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-19 01:40:16,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-19 01:40:16,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-03-19 01:40:16,210 INFO L87 Difference]: Start difference. First operand 7357 states and 9566 transitions. Second operand has 7 states, 7 states have (on average 33.714285714285715) internal successors, (236), 6 states have internal predecessors, (236), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:40:16,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 01:40:16,924 INFO L93 Difference]: Finished difference Result 14715 states and 19126 transitions. [2022-03-19 01:40:16,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-19 01:40:16,925 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 33.714285714285715) internal successors, (236), 6 states have internal predecessors, (236), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 367 [2022-03-19 01:40:16,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 01:40:16,942 INFO L225 Difference]: With dead ends: 14715 [2022-03-19 01:40:16,942 INFO L226 Difference]: Without dead ends: 11125 [2022-03-19 01:40:16,972 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 749 GetRequests, 739 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2022-03-19 01:40:16,973 INFO L912 BasicCegarLoop]: 385 mSDtfsCounter, 411 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 1218 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 411 SdHoareTripleChecker+Valid, 407 SdHoareTripleChecker+Invalid, 1290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 1218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-03-19 01:40:16,973 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [411 Valid, 407 Invalid, 1290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 1218 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-19 01:40:16,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11125 states. [2022-03-19 01:40:17,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11125 to 8461. [2022-03-19 01:40:17,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8461 states, 8456 states have (on average 1.3077105014191106) internal successors, (11058), 8456 states have internal predecessors, (11058), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:40:17,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8461 states to 8461 states and 11062 transitions. [2022-03-19 01:40:17,110 INFO L78 Accepts]: Start accepts. Automaton has 8461 states and 11062 transitions. Word has length 367 [2022-03-19 01:40:17,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 01:40:17,110 INFO L478 AbstractCegarLoop]: Abstraction has 8461 states and 11062 transitions. [2022-03-19 01:40:17,110 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 33.714285714285715) internal successors, (236), 6 states have internal predecessors, (236), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:40:17,110 INFO L276 IsEmpty]: Start isEmpty. Operand 8461 states and 11062 transitions. [2022-03-19 01:40:17,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381 [2022-03-19 01:40:17,120 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 01:40:17,120 INFO L500 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 15, 15, 15, 15, 15, 13, 13, 11, 11, 9, 9, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-19 01:40:17,137 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-19 01:40:17,335 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2022-03-19 01:40:17,335 INFO L403 AbstractCegarLoop]: === Iteration 24 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 01:40:17,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 01:40:17,336 INFO L85 PathProgramCache]: Analyzing trace with hash 677510765, now seen corresponding path program 2 times [2022-03-19 01:40:17,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 01:40:17,336 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531759017] [2022-03-19 01:40:17,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 01:40:17,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 01:40:17,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:40:17,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 01:40:17,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:40:17,393 INFO L134 CoverageAnalysis]: Checked inductivity of 1649 backedges. 955 proven. 5 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2022-03-19 01:40:17,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 01:40:17,393 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531759017] [2022-03-19 01:40:17,393 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [531759017] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-19 01:40:17,393 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1801236457] [2022-03-19 01:40:17,393 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-19 01:40:17,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-19 01:40:17,393 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-19 01:40:17,394 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) [2022-03-19 01:40:17,428 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-19 01:40:17,509 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-19 01:40:17,509 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-19 01:40:17,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 766 conjuncts, 3 conjunts are in the unsatisfiable core [2022-03-19 01:40:17,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-19 01:40:17,880 INFO L134 CoverageAnalysis]: Checked inductivity of 1649 backedges. 955 proven. 5 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2022-03-19 01:40:17,880 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-19 01:40:18,237 INFO L134 CoverageAnalysis]: Checked inductivity of 1649 backedges. 955 proven. 5 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2022-03-19 01:40:18,237 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1801236457] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-19 01:40:18,237 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-19 01:40:18,237 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 7 [2022-03-19 01:40:18,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113063761] [2022-03-19 01:40:18,238 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-19 01:40:18,238 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-19 01:40:18,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-19 01:40:18,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-19 01:40:18,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-03-19 01:40:18,239 INFO L87 Difference]: Start difference. First operand 8461 states and 11062 transitions. Second operand has 7 states, 7 states have (on average 33.57142857142857) internal successors, (235), 6 states have internal predecessors, (235), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:40:18,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 01:40:18,623 INFO L93 Difference]: Finished difference Result 19099 states and 24819 transitions. [2022-03-19 01:40:18,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-19 01:40:18,623 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 [2022-03-19 01:40:18,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 01:40:18,640 INFO L225 Difference]: With dead ends: 19099 [2022-03-19 01:40:18,640 INFO L226 Difference]: Without dead ends: 10649 [2022-03-19 01:40:18,652 INFO L911 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 [2022-03-19 01:40:18,653 INFO L912 BasicCegarLoop]: 202 mSDtfsCounter, 737 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 365 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 737 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-19 01:40:18,653 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [737 Valid, 214 Invalid, 480 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 365 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-19 01:40:18,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10649 states. [2022-03-19 01:40:18,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10649 to 8499. [2022-03-19 01:40:18,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8499 states, 8494 states have (on average 1.276312691311514) internal successors, (10841), 8494 states have internal predecessors, (10841), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:40:18,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8499 states to 8499 states and 10845 transitions. [2022-03-19 01:40:18,807 INFO L78 Accepts]: Start accepts. Automaton has 8499 states and 10845 transitions. Word has length 380 [2022-03-19 01:40:18,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 01:40:18,808 INFO L478 AbstractCegarLoop]: Abstraction has 8499 states and 10845 transitions. [2022-03-19 01:40:18,808 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) [2022-03-19 01:40:18,808 INFO L276 IsEmpty]: Start isEmpty. Operand 8499 states and 10845 transitions. [2022-03-19 01:40:18,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 420 [2022-03-19 01:40:18,820 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 01:40:18,820 INFO L500 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 16, 16, 16, 14, 14, 12, 12, 10, 10, 8, 8, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-19 01:40:18,840 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-19 01:40:19,035 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-19 01:40:19,035 INFO L403 AbstractCegarLoop]: === Iteration 25 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 01:40:19,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 01:40:19,036 INFO L85 PathProgramCache]: Analyzing trace with hash 1014567377, now seen corresponding path program 1 times [2022-03-19 01:40:19,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 01:40:19,036 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165094240] [2022-03-19 01:40:19,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 01:40:19,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 01:40:19,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:40:19,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 01:40:19,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:40:19,128 INFO L134 CoverageAnalysis]: Checked inductivity of 1970 backedges. 885 proven. 0 refuted. 0 times theorem prover too weak. 1085 trivial. 0 not checked. [2022-03-19 01:40:19,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 01:40:19,128 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165094240] [2022-03-19 01:40:19,128 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165094240] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 01:40:19,128 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 01:40:19,128 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-19 01:40:19,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898067024] [2022-03-19 01:40:19,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 01:40:19,129 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-19 01:40:19,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-19 01:40:19,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-19 01:40:19,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-19 01:40:19,129 INFO L87 Difference]: Start difference. First operand 8499 states and 10845 transitions. Second operand has 4 states, 4 states have (on average 40.75) internal successors, (163), 3 states have internal predecessors, (163), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:40:19,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 01:40:19,343 INFO L93 Difference]: Finished difference Result 15855 states and 19678 transitions. [2022-03-19 01:40:19,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-19 01:40:19,344 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 [2022-03-19 01:40:19,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 01:40:19,350 INFO L225 Difference]: With dead ends: 15855 [2022-03-19 01:40:19,350 INFO L226 Difference]: Without dead ends: 3801 [2022-03-19 01:40:19,363 INFO L911 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 [2022-03-19 01:40:19,363 INFO L912 BasicCegarLoop]: 188 mSDtfsCounter, 208 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-19 01:40:19,367 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [208 Valid, 195 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-19 01:40:19,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3801 states. [2022-03-19 01:40:19,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3801 to 3611. [2022-03-19 01:40:19,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3611 states, 3606 states have (on average 1.2470881863560732) internal successors, (4497), 3606 states have internal predecessors, (4497), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:40:19,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3611 states to 3611 states and 4501 transitions. [2022-03-19 01:40:19,418 INFO L78 Accepts]: Start accepts. Automaton has 3611 states and 4501 transitions. Word has length 419 [2022-03-19 01:40:19,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 01:40:19,418 INFO L478 AbstractCegarLoop]: Abstraction has 3611 states and 4501 transitions. [2022-03-19 01:40:19,418 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) [2022-03-19 01:40:19,418 INFO L276 IsEmpty]: Start isEmpty. Operand 3611 states and 4501 transitions. [2022-03-19 01:40:19,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 518 [2022-03-19 01:40:19,423 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 01:40:19,423 INFO L500 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 19, 17, 17, 15, 15, 13, 13, 11, 11, 9, 9, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-19 01:40:19,424 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-03-19 01:40:19,424 INFO L403 AbstractCegarLoop]: === Iteration 26 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 01:40:19,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 01:40:19,424 INFO L85 PathProgramCache]: Analyzing trace with hash 754491721, now seen corresponding path program 1 times [2022-03-19 01:40:19,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 01:40:19,424 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732767179] [2022-03-19 01:40:19,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 01:40:19,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 01:40:19,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:40:19,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 01:40:19,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:40:19,492 INFO L134 CoverageAnalysis]: Checked inductivity of 2898 backedges. 1648 proven. 14 refuted. 0 times theorem prover too weak. 1236 trivial. 0 not checked. [2022-03-19 01:40:19,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 01:40:19,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732767179] [2022-03-19 01:40:19,492 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1732767179] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-19 01:40:19,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1164202173] [2022-03-19 01:40:19,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 01:40:19,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-19 01:40:19,493 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-19 01:40:19,494 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) [2022-03-19 01:40:19,495 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-19 01:40:19,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:40:19,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 934 conjuncts, 3 conjunts are in the unsatisfiable core [2022-03-19 01:40:19,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-19 01:40:20,335 INFO L134 CoverageAnalysis]: Checked inductivity of 2898 backedges. 1075 proven. 0 refuted. 0 times theorem prover too weak. 1823 trivial. 0 not checked. [2022-03-19 01:40:20,335 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-19 01:40:20,335 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1164202173] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 01:40:20,336 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-19 01:40:20,336 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-03-19 01:40:20,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013278443] [2022-03-19 01:40:20,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 01:40:20,336 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-19 01:40:20,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-19 01:40:20,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-19 01:40:20,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-03-19 01:40:20,337 INFO L87 Difference]: Start difference. First operand 3611 states and 4501 transitions. Second operand has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:40:20,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 01:40:20,379 INFO L93 Difference]: Finished difference Result 4026 states and 4981 transitions. [2022-03-19 01:40:20,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-19 01:40:20,380 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 517 [2022-03-19 01:40:20,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 01:40:20,386 INFO L225 Difference]: With dead ends: 4026 [2022-03-19 01:40:20,386 INFO L226 Difference]: Without dead ends: 3949 [2022-03-19 01:40:20,387 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 522 GetRequests, 518 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-03-19 01:40:20,388 INFO L912 BasicCegarLoop]: 306 mSDtfsCounter, 56 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 462 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-19 01:40:20,389 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [56 Valid, 462 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-19 01:40:20,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3949 states. [2022-03-19 01:40:20,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3949 to 3536. [2022-03-19 01:40:20,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3536 states, 3531 states have (on average 1.2472387425658453) internal successors, (4404), 3531 states have internal predecessors, (4404), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:40:20,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3536 states to 3536 states and 4408 transitions. [2022-03-19 01:40:20,440 INFO L78 Accepts]: Start accepts. Automaton has 3536 states and 4408 transitions. Word has length 517 [2022-03-19 01:40:20,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 01:40:20,441 INFO L478 AbstractCegarLoop]: Abstraction has 3536 states and 4408 transitions. [2022-03-19 01:40:20,441 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:40:20,441 INFO L276 IsEmpty]: Start isEmpty. Operand 3536 states and 4408 transitions. [2022-03-19 01:40:20,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 630 [2022-03-19 01:40:20,447 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 01:40:20,447 INFO L500 BasicCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 21, 21, 21, 19, 19, 17, 17, 16, 16, 15, 15, 13, 13, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 8, 8, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-19 01:40:20,466 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-19 01:40:20,666 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2022-03-19 01:40:20,666 INFO L403 AbstractCegarLoop]: === Iteration 27 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 01:40:20,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 01:40:20,667 INFO L85 PathProgramCache]: Analyzing trace with hash 2396054, now seen corresponding path program 1 times [2022-03-19 01:40:20,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 01:40:20,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801924714] [2022-03-19 01:40:20,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 01:40:20,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 01:40:20,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:40:20,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 01:40:20,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:40:20,743 INFO L134 CoverageAnalysis]: Checked inductivity of 4135 backedges. 2131 proven. 14 refuted. 0 times theorem prover too weak. 1990 trivial. 0 not checked. [2022-03-19 01:40:20,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 01:40:20,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801924714] [2022-03-19 01:40:20,744 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801924714] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-19 01:40:20,744 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [753484703] [2022-03-19 01:40:20,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 01:40:20,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-19 01:40:20,744 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-19 01:40:20,748 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) [2022-03-19 01:40:20,749 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-19 01:40:20,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:40:20,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 1075 conjuncts, 3 conjunts are in the unsatisfiable core [2022-03-19 01:40:20,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-19 01:40:21,498 INFO L134 CoverageAnalysis]: Checked inductivity of 4135 backedges. 2131 proven. 14 refuted. 0 times theorem prover too weak. 1990 trivial. 0 not checked. [2022-03-19 01:40:21,499 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-19 01:40:22,149 INFO L134 CoverageAnalysis]: Checked inductivity of 4135 backedges. 2131 proven. 14 refuted. 0 times theorem prover too weak. 1990 trivial. 0 not checked. [2022-03-19 01:40:22,149 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [753484703] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-19 01:40:22,150 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-19 01:40:22,150 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 9 [2022-03-19 01:40:22,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464478663] [2022-03-19 01:40:22,150 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-19 01:40:22,151 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-19 01:40:22,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-19 01:40:22,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-19 01:40:22,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-03-19 01:40:22,151 INFO L87 Difference]: Start difference. First operand 3536 states and 4408 transitions. Second operand has 9 states, 9 states have (on average 37.44444444444444) internal successors, (337), 8 states have internal predecessors, (337), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:40:22,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 01:40:22,628 INFO L93 Difference]: Finished difference Result 4388 states and 5463 transitions. [2022-03-19 01:40:22,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-19 01:40:22,628 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 37.44444444444444) internal successors, (337), 8 states have internal predecessors, (337), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 629 [2022-03-19 01:40:22,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 01:40:22,629 INFO L225 Difference]: With dead ends: 4388 [2022-03-19 01:40:22,629 INFO L226 Difference]: Without dead ends: 0 [2022-03-19 01:40:22,634 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 1269 GetRequests, 1259 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2022-03-19 01:40:22,635 INFO L912 BasicCegarLoop]: 156 mSDtfsCounter, 327 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 993 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 327 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 1041 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 993 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-19 01:40:22,635 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [327 Valid, 183 Invalid, 1041 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 993 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-19 01:40:22,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-03-19 01:40:22,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-03-19 01:40:22,636 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) [2022-03-19 01:40:22,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-03-19 01:40:22,636 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 629 [2022-03-19 01:40:22,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 01:40:22,636 INFO L478 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-03-19 01:40:22,636 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 37.44444444444444) internal successors, (337), 8 states have internal predecessors, (337), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:40:22,636 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-03-19 01:40:22,636 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-03-19 01:40:22,638 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-03-19 01:40:22,660 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-03-19 01:40:22,856 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2022-03-19 01:40:22,858 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-03-19 01:40:27,416 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|)) [2022-03-19 01:40:27,416 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2022-03-19 01:40:27,416 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2022-03-19 01:40:27,416 INFO L885 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-03-19 01:40:27,416 INFO L885 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: true [2022-03-19 01:40:27,416 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-03-19 01:40:27,416 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-03-19 01:40:27,416 INFO L885 garLoopResultBuilder]: At program point ssl3_connectENTRY(lines 22 563) the Hoare annotation is: true [2022-03-19 01:40:27,416 INFO L882 garLoopResultBuilder]: For program point L96(lines 96 102) no Hoare annotation was computed. [2022-03-19 01:40:27,416 INFO L882 garLoopResultBuilder]: For program point L99-2(lines 96 102) no Hoare annotation was computed. [2022-03-19 01:40:27,417 INFO L882 garLoopResultBuilder]: For program point L99(lines 99 101) no Hoare annotation was computed. [2022-03-19 01:40:27,417 INFO L882 garLoopResultBuilder]: For program point L104(lines 104 108) no Hoare annotation was computed. [2022-03-19 01:40:27,417 INFO L882 garLoopResultBuilder]: For program point L105(lines 105 107) no Hoare annotation was computed. [2022-03-19 01:40:27,417 INFO L882 garLoopResultBuilder]: For program point L110-1(lines 87 562) no Hoare annotation was computed. [2022-03-19 01:40:27,417 INFO L885 garLoopResultBuilder]: At program point L551(lines 109 552) the Hoare annotation is: true [2022-03-19 01:40:27,417 INFO L882 garLoopResultBuilder]: For program point L111(line 111) no Hoare annotation was computed. [2022-03-19 01:40:27,417 INFO L882 garLoopResultBuilder]: For program point L556(lines 556 558) no Hoare annotation was computed. [2022-03-19 01:40:27,417 INFO L882 garLoopResultBuilder]: For program point L113(lines 113 531) no Hoare annotation was computed. [2022-03-19 01:40:27,417 INFO L882 garLoopResultBuilder]: For program point L556-2(lines 556 558) no Hoare annotation was computed. [2022-03-19 01:40:27,417 INFO L878 garLoopResultBuilder]: At program point L114(lines 113 531) the Hoare annotation is: (or (and (<= 12292 ssl3_connect_~s__state~0) (= ssl3_connect_~blastFlag~0 0)) (not (<= 12292 |ssl3_connect_#in~initial_state|))) [2022-03-19 01:40:27,417 INFO L882 garLoopResultBuilder]: For program point L116(lines 116 530) no Hoare annotation was computed. [2022-03-19 01:40:27,417 INFO L882 garLoopResultBuilder]: For program point ssl3_connectFINAL(lines 22 563) no Hoare annotation was computed. [2022-03-19 01:40:27,417 INFO L878 garLoopResultBuilder]: At program point L218(lines 116 530) the Hoare annotation is: (or (= ssl3_connect_~blastFlag~0 0) (not (<= 12292 |ssl3_connect_#in~initial_state|))) [2022-03-19 01:40:27,417 INFO L882 garLoopResultBuilder]: For program point L119(lines 119 529) no Hoare annotation was computed. [2022-03-19 01:40:27,417 INFO L882 garLoopResultBuilder]: For program point ssl3_connectEXIT(lines 22 563) no Hoare annotation was computed. [2022-03-19 01:40:27,417 INFO L882 garLoopResultBuilder]: For program point L223(lines 223 225) no Hoare annotation was computed. [2022-03-19 01:40:27,417 INFO L882 garLoopResultBuilder]: For program point L122(lines 122 528) no Hoare annotation was computed. [2022-03-19 01:40:27,418 INFO L882 garLoopResultBuilder]: For program point L223-2(lines 223 225) no Hoare annotation was computed. [2022-03-19 01:40:27,418 INFO L882 garLoopResultBuilder]: For program point L125(lines 125 527) no Hoare annotation was computed. [2022-03-19 01:40:27,418 INFO L882 garLoopResultBuilder]: For program point L228(lines 228 231) no Hoare annotation was computed. [2022-03-19 01:40:27,418 INFO L882 garLoopResultBuilder]: For program point L128(lines 128 526) no Hoare annotation was computed. [2022-03-19 01:40:27,418 INFO L882 garLoopResultBuilder]: For program point L234(lines 234 245) no Hoare annotation was computed. [2022-03-19 01:40:27,418 INFO L878 garLoopResultBuilder]: At program point L132(lines 128 526) the Hoare annotation is: (or (and (<= 4352 ssl3_connect_~s__state~0) (= ssl3_connect_~blastFlag~0 0) (not (<= 4400 ssl3_connect_~s__state~0))) (not (<= 12292 |ssl3_connect_#in~initial_state|))) [2022-03-19 01:40:27,418 INFO L882 garLoopResultBuilder]: For program point L131(lines 131 525) no Hoare annotation was computed. [2022-03-19 01:40:27,418 INFO L882 garLoopResultBuilder]: For program point L236(lines 236 239) no Hoare annotation was computed. [2022-03-19 01:40:27,418 INFO L882 garLoopResultBuilder]: For program point L234-2(lines 213 496) no Hoare annotation was computed. [2022-03-19 01:40:27,418 INFO L882 garLoopResultBuilder]: For program point L262(lines 262 268) no Hoare annotation was computed. [2022-03-19 01:40:27,418 INFO L882 garLoopResultBuilder]: For program point L134(lines 134 524) no Hoare annotation was computed. [2022-03-19 01:40:27,418 INFO L882 garLoopResultBuilder]: For program point L240(lines 240 243) no Hoare annotation was computed. [2022-03-19 01:40:27,418 INFO L882 garLoopResultBuilder]: For program point L250(lines 250 253) no Hoare annotation was computed. [2022-03-19 01:40:27,418 INFO L882 garLoopResultBuilder]: For program point L265-2(lines 213 496) no Hoare annotation was computed. [2022-03-19 01:40:27,418 INFO L882 garLoopResultBuilder]: For program point L265(lines 265 267) no Hoare annotation was computed. [2022-03-19 01:40:27,418 INFO L878 garLoopResultBuilder]: At program point L138(lines 134 524) the Hoare annotation is: (let ((.cse0 (< 4368 ssl3_connect_~s__state~0)) (.cse1 (not (<= 4400 ssl3_connect_~s__state~0)))) (or (and .cse0 (= ssl3_connect_~blastFlag~0 1) .cse1) (not (<= 12292 |ssl3_connect_#in~initial_state|)) (and .cse0 (= ssl3_connect_~blastFlag~0 0) .cse1))) [2022-03-19 01:40:27,418 INFO L882 garLoopResultBuilder]: For program point L137(lines 137 523) no Hoare annotation was computed. [2022-03-19 01:40:27,419 INFO L878 garLoopResultBuilder]: At program point L497(lines 110 550) the Hoare annotation is: (let ((.cse4 (= ssl3_connect_~s__hit~0 0))) (let ((.cse0 (<= 4560 ssl3_connect_~s__state~0)) (.cse1 (<= ssl3_connect_~s__state~0 4560)) (.cse3 (not .cse4)) (.cse11 (= ssl3_connect_~s__state~0 4464)) (.cse10 (= 4496 ssl3_connect_~s__state~0)) (.cse15 (<= 4352 ssl3_connect_~s__state~0)) (.cse16 (<= ssl3_connect_~s__state~0 4352)) (.cse13 (<= 4560 ssl3_connect_~s__s3__tmp__next_state___0~0)) (.cse12 (= 4400 ssl3_connect_~s__state~0)) (.cse9 (= 4512 ssl3_connect_~s__state~0)) (.cse7 (= 3 ssl3_connect_~s__state~0)) (.cse8 (<= ssl3_connect_~s__s3__tmp__next_state___0~0 4560)) (.cse5 (= ssl3_connect_~s__state~0 4448)) (.cse14 (= ssl3_connect_~s__state~0 4480)) (.cse6 (<= ssl3_connect_~blastFlag~0 4)) (.cse17 (= ssl3_connect_~s__state~0 4528)) (.cse2 (= 2 ssl3_connect_~blastFlag~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse6) (and .cse7 .cse2 .cse4) (and .cse8 .cse4 .cse9) (and .cse8 .cse4 .cse10) (and .cse8 .cse4 .cse11) (and .cse8 .cse12 .cse4 .cse6) (and .cse2 .cse9) (and .cse0 .cse8 .cse1 .cse4 .cse13) (and .cse8 .cse4 .cse14) (and .cse15 .cse16 .cse2 .cse3 (= 3 ssl3_connect_~s__s3__tmp__next_state___0~0)) (and .cse4 .cse11 .cse6) (and (= 4432 ssl3_connect_~s__state~0) .cse4 .cse6) (= ssl3_connect_~blastFlag~0 0) (and .cse4 .cse10 .cse6) (and .cse15 .cse16 .cse8 .cse4 .cse13) (and .cse12 .cse2 .cse4) (and .cse4 .cse9 .cse6) (and .cse8 .cse7) (and .cse17 .cse8 .cse4) (and (= ssl3_connect_~s__state~0 4416) .cse4 .cse6) (not (<= 12292 |ssl3_connect_#in~initial_state|)) (and .cse8 .cse4 .cse5) (and .cse4 .cse14 .cse6) (and .cse17 .cse4 .cse6) (and (= ssl3_connect_~blastFlag~0 1) (= ssl3_connect_~s__state~0 4384)) (and .cse17 .cse2)))) [2022-03-19 01:40:27,419 INFO L882 garLoopResultBuilder]: For program point L274(lines 274 276) no Hoare annotation was computed. [2022-03-19 01:40:27,419 INFO L882 garLoopResultBuilder]: For program point L281(lines 281 283) no Hoare annotation was computed. [2022-03-19 01:40:27,419 INFO L882 garLoopResultBuilder]: For program point L140(lines 140 522) no Hoare annotation was computed. [2022-03-19 01:40:27,419 INFO L882 garLoopResultBuilder]: For program point L533(lines 533 547) no Hoare annotation was computed. [2022-03-19 01:40:27,419 INFO L882 garLoopResultBuilder]: For program point L532(lines 532 548) no Hoare annotation was computed. [2022-03-19 01:40:27,420 INFO L882 garLoopResultBuilder]: For program point L281-2(lines 213 496) no Hoare annotation was computed. [2022-03-19 01:40:27,421 INFO L878 garLoopResultBuilder]: At program point L144(lines 140 522) the Hoare annotation is: (let ((.cse0 (< 4368 ssl3_connect_~s__state~0)) (.cse1 (<= ssl3_connect_~s__state~0 4560)) (.cse2 (= ssl3_connect_~s__hit~0 0))) (or (and .cse0 .cse1 (= 2 ssl3_connect_~blastFlag~0) .cse2) (and .cse0 .cse1 (= ssl3_connect_~blastFlag~0 0)) (not (<= 12292 |ssl3_connect_#in~initial_state|)) (and .cse0 (<= ssl3_connect_~s__s3__tmp__next_state___0~0 4560) .cse1 .cse2 (<= ssl3_connect_~blastFlag~0 4)))) [2022-03-19 01:40:27,421 INFO L882 garLoopResultBuilder]: For program point L143(lines 143 521) no Hoare annotation was computed. [2022-03-19 01:40:27,421 INFO L882 garLoopResultBuilder]: For program point L534(lines 534 539) no Hoare annotation was computed. [2022-03-19 01:40:27,421 INFO L882 garLoopResultBuilder]: For program point L287(lines 287 291) no Hoare annotation was computed. [2022-03-19 01:40:27,421 INFO L882 garLoopResultBuilder]: For program point L298(lines 298 308) no Hoare annotation was computed. [2022-03-19 01:40:27,421 INFO L882 garLoopResultBuilder]: For program point L146(lines 146 520) no Hoare annotation was computed. [2022-03-19 01:40:27,421 INFO L882 garLoopResultBuilder]: For program point L536(lines 536 538) no Hoare annotation was computed. [2022-03-19 01:40:27,421 INFO L882 garLoopResultBuilder]: For program point L534-2(lines 533 547) no Hoare annotation was computed. [2022-03-19 01:40:27,421 INFO L882 garLoopResultBuilder]: For program point L287-2(lines 287 291) no Hoare annotation was computed. [2022-03-19 01:40:27,421 INFO L882 garLoopResultBuilder]: For program point L298-2(lines 298 308) no Hoare annotation was computed. [2022-03-19 01:40:27,421 INFO L882 garLoopResultBuilder]: For program point L302(lines 302 304) no Hoare annotation was computed. [2022-03-19 01:40:27,421 INFO L878 garLoopResultBuilder]: At program point L150(lines 146 520) the Hoare annotation is: (let ((.cse0 (< 4368 ssl3_connect_~s__state~0)) (.cse1 (<= ssl3_connect_~s__state~0 4560))) (or (and .cse0 .cse1 (= ssl3_connect_~blastFlag~0 0)) (not (<= 12292 |ssl3_connect_#in~initial_state|)) (and .cse0 .cse1 (= ssl3_connect_~s__hit~0 0) (<= ssl3_connect_~blastFlag~0 4)))) [2022-03-19 01:40:27,421 INFO L882 garLoopResultBuilder]: For program point L149(lines 149 519) no Hoare annotation was computed. [2022-03-19 01:40:27,421 INFO L882 garLoopResultBuilder]: For program point L541(lines 541 545) no Hoare annotation was computed. [2022-03-19 01:40:27,421 INFO L882 garLoopResultBuilder]: For program point L302-2(lines 300 308) no Hoare annotation was computed. [2022-03-19 01:40:27,422 INFO L882 garLoopResultBuilder]: For program point L316(lines 316 318) no Hoare annotation was computed. [2022-03-19 01:40:27,422 INFO L882 garLoopResultBuilder]: For program point L152(lines 152 518) no Hoare annotation was computed. [2022-03-19 01:40:27,422 INFO L882 garLoopResultBuilder]: For program point L316-2(lines 213 496) no Hoare annotation was computed. [2022-03-19 01:40:27,422 INFO L878 garLoopResultBuilder]: At program point L156(lines 152 518) the Hoare annotation is: (let ((.cse0 (<= 4432 ssl3_connect_~s__state~0)) (.cse1 (<= ssl3_connect_~s__state~0 4560))) (or (and .cse0 .cse1 (= ssl3_connect_~s__hit~0 0) (<= ssl3_connect_~blastFlag~0 4)) (and .cse0 .cse1 (= ssl3_connect_~blastFlag~0 0)) (not (<= 12292 |ssl3_connect_#in~initial_state|)))) [2022-03-19 01:40:27,422 INFO L882 garLoopResultBuilder]: For program point L155(lines 155 517) no Hoare annotation was computed. [2022-03-19 01:40:27,422 INFO L882 garLoopResultBuilder]: For program point L324(lines 324 327) no Hoare annotation was computed. [2022-03-19 01:40:27,422 INFO L882 garLoopResultBuilder]: For program point L332(lines 332 334) no Hoare annotation was computed. [2022-03-19 01:40:27,422 INFO L882 garLoopResultBuilder]: For program point L158(lines 158 516) no Hoare annotation was computed. [2022-03-19 01:40:27,422 INFO L878 garLoopResultBuilder]: At program point L333(lines 87 562) the Hoare annotation is: (not (<= 12292 |ssl3_connect_#in~initial_state|)) [2022-03-19 01:40:27,422 INFO L882 garLoopResultBuilder]: For program point L335(lines 335 337) no Hoare annotation was computed. [2022-03-19 01:40:27,422 INFO L878 garLoopResultBuilder]: At program point L162(lines 158 516) the Hoare annotation is: (let ((.cse0 (<= 4432 ssl3_connect_~s__state~0)) (.cse1 (<= ssl3_connect_~s__state~0 4560)) (.cse2 (= ssl3_connect_~s__hit~0 0))) (or (and .cse0 .cse1 .cse2 (<= ssl3_connect_~blastFlag~0 4)) (and .cse0 .cse1 (= ssl3_connect_~blastFlag~0 0)) (not (<= 12292 |ssl3_connect_#in~initial_state|)) (and .cse0 (<= ssl3_connect_~s__s3__tmp__next_state___0~0 4560) .cse1 .cse2))) [2022-03-19 01:40:27,422 INFO L882 garLoopResultBuilder]: For program point L161(lines 161 515) no Hoare annotation was computed. [2022-03-19 01:40:27,422 INFO L882 garLoopResultBuilder]: For program point ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION(line 560) no Hoare annotation was computed. [2022-03-19 01:40:27,422 INFO L882 garLoopResultBuilder]: For program point L344(lines 344 346) no Hoare annotation was computed. [2022-03-19 01:40:27,422 INFO L882 garLoopResultBuilder]: For program point L164(lines 164 514) no Hoare annotation was computed. [2022-03-19 01:40:27,422 INFO L882 garLoopResultBuilder]: For program point L347(lines 347 351) no Hoare annotation was computed. [2022-03-19 01:40:27,422 INFO L878 garLoopResultBuilder]: At program point L174(lines 164 514) the Hoare annotation is: (let ((.cse0 (<= 4432 ssl3_connect_~s__state~0)) (.cse1 (<= ssl3_connect_~s__state~0 4560)) (.cse2 (= ssl3_connect_~s__hit~0 0))) (or (and .cse0 .cse1 .cse2 (<= ssl3_connect_~blastFlag~0 4)) (and .cse0 .cse1 (= ssl3_connect_~blastFlag~0 0)) (not (<= 12292 |ssl3_connect_#in~initial_state|)) (and .cse0 (<= ssl3_connect_~s__s3__tmp__next_state___0~0 4560) .cse1 .cse2))) [2022-03-19 01:40:27,423 INFO L882 garLoopResultBuilder]: For program point L167(lines 167 513) no Hoare annotation was computed. [2022-03-19 01:40:27,423 INFO L882 garLoopResultBuilder]: For program point L347-2(lines 347 351) no Hoare annotation was computed. [2022-03-19 01:40:27,423 INFO L882 garLoopResultBuilder]: For program point L359(lines 359 361) no Hoare annotation was computed. [2022-03-19 01:40:27,423 INFO L882 garLoopResultBuilder]: For program point L170(lines 170 512) no Hoare annotation was computed. [2022-03-19 01:40:27,423 INFO L882 garLoopResultBuilder]: For program point L173(lines 173 511) no Hoare annotation was computed. [2022-03-19 01:40:27,423 INFO L882 garLoopResultBuilder]: For program point L176(lines 176 510) no Hoare annotation was computed. [2022-03-19 01:40:27,423 INFO L878 garLoopResultBuilder]: At program point L180(lines 176 510) the Hoare annotation is: (let ((.cse0 (<= 4432 ssl3_connect_~s__state~0)) (.cse1 (<= ssl3_connect_~s__state~0 4560)) (.cse2 (= ssl3_connect_~s__hit~0 0))) (or (and .cse0 .cse1 .cse2 (<= ssl3_connect_~blastFlag~0 4)) (and .cse0 .cse1 (= ssl3_connect_~blastFlag~0 0)) (not (<= 12292 |ssl3_connect_#in~initial_state|)) (and .cse0 (<= ssl3_connect_~s__s3__tmp__next_state___0~0 4560) .cse1 .cse2))) [2022-03-19 01:40:27,423 INFO L882 garLoopResultBuilder]: For program point L179(lines 179 509) no Hoare annotation was computed. [2022-03-19 01:40:27,423 INFO L882 garLoopResultBuilder]: For program point L368(lines 368 370) no Hoare annotation was computed. [2022-03-19 01:40:27,423 INFO L882 garLoopResultBuilder]: For program point L182(lines 182 508) no Hoare annotation was computed. [2022-03-19 01:40:27,424 INFO L882 garLoopResultBuilder]: For program point L372(lines 372 377) no Hoare annotation was computed. [2022-03-19 01:40:27,424 INFO L878 garLoopResultBuilder]: At program point L186(lines 182 508) the Hoare annotation is: (let ((.cse0 (<= 4432 ssl3_connect_~s__state~0)) (.cse1 (<= ssl3_connect_~s__state~0 4560)) (.cse2 (= ssl3_connect_~s__hit~0 0))) (or (and .cse0 .cse1 .cse2 (<= ssl3_connect_~blastFlag~0 4)) (and .cse0 .cse1 (= ssl3_connect_~blastFlag~0 0)) (not (<= 12292 |ssl3_connect_#in~initial_state|)) (and .cse0 (<= ssl3_connect_~s__s3__tmp__next_state___0~0 4560) .cse1 .cse2))) [2022-03-19 01:40:27,425 INFO L882 garLoopResultBuilder]: For program point L185(lines 185 507) no Hoare annotation was computed. [2022-03-19 01:40:27,425 INFO L882 garLoopResultBuilder]: For program point L372-2(lines 372 377) no Hoare annotation was computed. [2022-03-19 01:40:27,425 INFO L882 garLoopResultBuilder]: For program point L383(lines 383 385) no Hoare annotation was computed. [2022-03-19 01:40:27,425 INFO L882 garLoopResultBuilder]: For program point L188(lines 188 506) no Hoare annotation was computed. [2022-03-19 01:40:27,425 INFO L878 garLoopResultBuilder]: At program point L192(lines 188 506) the Hoare annotation is: (let ((.cse0 (<= 4432 ssl3_connect_~s__state~0)) (.cse1 (<= ssl3_connect_~s__state~0 4560)) (.cse2 (= ssl3_connect_~s__hit~0 0))) (or (and .cse0 .cse1 (= 2 ssl3_connect_~blastFlag~0)) (and .cse0 .cse1 .cse2 (<= ssl3_connect_~blastFlag~0 4)) (and .cse0 .cse1 (= ssl3_connect_~blastFlag~0 0)) (not (<= 12292 |ssl3_connect_#in~initial_state|)) (and .cse0 (<= ssl3_connect_~s__s3__tmp__next_state___0~0 4560) .cse1 .cse2))) [2022-03-19 01:40:27,425 INFO L882 garLoopResultBuilder]: For program point L191(lines 191 505) no Hoare annotation was computed. [2022-03-19 01:40:27,425 INFO L882 garLoopResultBuilder]: For program point L393(lines 393 395) no Hoare annotation was computed. [2022-03-19 01:40:27,425 INFO L882 garLoopResultBuilder]: For program point L194(lines 194 504) no Hoare annotation was computed. [2022-03-19 01:40:27,425 INFO L882 garLoopResultBuilder]: For program point L399(lines 399 403) no Hoare annotation was computed. [2022-03-19 01:40:27,425 INFO L878 garLoopResultBuilder]: At program point L198(lines 194 504) the Hoare annotation is: (let ((.cse0 (<= 4432 ssl3_connect_~s__state~0)) (.cse1 (<= ssl3_connect_~s__state~0 4560)) (.cse2 (= ssl3_connect_~s__hit~0 0))) (or (and .cse0 .cse1 (= 2 ssl3_connect_~blastFlag~0)) (and .cse0 .cse1 .cse2 (<= ssl3_connect_~blastFlag~0 4)) (and .cse0 .cse1 (= ssl3_connect_~blastFlag~0 0)) (not (<= 12292 |ssl3_connect_#in~initial_state|)) (and .cse0 (<= ssl3_connect_~s__s3__tmp__next_state___0~0 4560) .cse1 .cse2))) [2022-03-19 01:40:27,425 INFO L882 garLoopResultBuilder]: For program point L197(lines 197 503) no Hoare annotation was computed. [2022-03-19 01:40:27,425 INFO L882 garLoopResultBuilder]: For program point L399-2(lines 213 496) no Hoare annotation was computed. [2022-03-19 01:40:27,425 INFO L882 garLoopResultBuilder]: For program point L416(lines 416 418) no Hoare annotation was computed. [2022-03-19 01:40:27,425 INFO L882 garLoopResultBuilder]: For program point L200(lines 200 502) no Hoare annotation was computed. [2022-03-19 01:40:27,425 INFO L882 garLoopResultBuilder]: For program point L408(lines 408 411) no Hoare annotation was computed. [2022-03-19 01:40:27,425 INFO L882 garLoopResultBuilder]: For program point L423(lines 423 437) no Hoare annotation was computed. [2022-03-19 01:40:27,425 INFO L878 garLoopResultBuilder]: At program point L204(lines 200 502) the Hoare annotation is: (let ((.cse1 (<= ssl3_connect_~s__state~0 4560)) (.cse2 (= ssl3_connect_~s__hit~0 0)) (.cse0 (<= 4560 ssl3_connect_~s__state~0))) (or (and .cse0 .cse1 (= 2 ssl3_connect_~blastFlag~0) (not .cse2)) (and .cse0 (<= ssl3_connect_~s__s3__tmp__next_state___0~0 4560) .cse1 .cse2 (<= 4560 ssl3_connect_~s__s3__tmp__next_state___0~0)) (and (< ssl3_connect_~s__state~0 12292) .cse0 (= ssl3_connect_~blastFlag~0 0)) (not (<= 12292 |ssl3_connect_#in~initial_state|)))) [2022-03-19 01:40:27,425 INFO L882 garLoopResultBuilder]: For program point L203(lines 203 501) no Hoare annotation was computed. [2022-03-19 01:40:27,425 INFO L882 garLoopResultBuilder]: For program point L427(lines 427 433) no Hoare annotation was computed. [2022-03-19 01:40:27,426 INFO L882 garLoopResultBuilder]: For program point L423-1(lines 423 437) no Hoare annotation was computed. [2022-03-19 01:40:27,426 INFO L882 garLoopResultBuilder]: For program point L443(lines 443 445) no Hoare annotation was computed. [2022-03-19 01:40:27,426 INFO L882 garLoopResultBuilder]: For program point L206(lines 206 500) no Hoare annotation was computed. [2022-03-19 01:40:27,426 INFO L882 garLoopResultBuilder]: For program point L446(lines 446 450) no Hoare annotation was computed. [2022-03-19 01:40:27,426 INFO L878 garLoopResultBuilder]: At program point L207(lines 206 500) the Hoare annotation is: (let ((.cse0 (<= 4352 ssl3_connect_~s__state~0)) (.cse1 (<= ssl3_connect_~s__state~0 4352)) (.cse2 (= ssl3_connect_~s__hit~0 0))) (or (and .cse0 .cse1 (= 2 ssl3_connect_~blastFlag~0) (not .cse2) (= 3 ssl3_connect_~s__s3__tmp__next_state___0~0)) (and .cse0 .cse1 (= ssl3_connect_~blastFlag~0 0)) (and .cse0 .cse1 (<= ssl3_connect_~s__s3__tmp__next_state___0~0 4560) .cse2 (<= 4560 ssl3_connect_~s__s3__tmp__next_state___0~0)) (not (<= 12292 |ssl3_connect_#in~initial_state|)))) [2022-03-19 01:40:27,426 INFO L882 garLoopResultBuilder]: For program point L209(lines 209 499) no Hoare annotation was computed. [2022-03-19 01:40:27,426 INFO L882 garLoopResultBuilder]: For program point L446-2(lines 446 450) no Hoare annotation was computed. [2022-03-19 01:40:27,426 INFO L882 garLoopResultBuilder]: For program point L456(lines 456 467) no Hoare annotation was computed. [2022-03-19 01:40:27,426 INFO L885 garLoopResultBuilder]: At program point L210(lines 209 499) the Hoare annotation is: true [2022-03-19 01:40:27,426 INFO L885 garLoopResultBuilder]: At program point L212(lines 211 499) the Hoare annotation is: true [2022-03-19 01:40:27,426 INFO L882 garLoopResultBuilder]: For program point L461(lines 461 464) no Hoare annotation was computed. [2022-03-19 01:40:27,426 INFO L882 garLoopResultBuilder]: For program point L456-2(lines 456 467) no Hoare annotation was computed. [2022-03-19 01:40:27,426 INFO L882 garLoopResultBuilder]: For program point L472-1(lines 472 474) no Hoare annotation was computed. [2022-03-19 01:40:27,426 INFO L882 garLoopResultBuilder]: For program point L478(lines 478 480) no Hoare annotation was computed. [2022-03-19 01:40:27,426 INFO L882 garLoopResultBuilder]: For program point L478-2(lines 478 480) no Hoare annotation was computed. [2022-03-19 01:40:27,426 INFO L882 garLoopResultBuilder]: For program point L484(lines 484 486) no Hoare annotation was computed. [2022-03-19 01:40:27,426 INFO L882 garLoopResultBuilder]: For program point L484-2(lines 484 486) no Hoare annotation was computed. [2022-03-19 01:40:27,426 INFO L882 garLoopResultBuilder]: For program point L489(lines 489 491) no Hoare annotation was computed. [2022-03-19 01:40:27,427 INFO L885 garLoopResultBuilder]: At program point mainENTRY(lines 564 574) the Hoare annotation is: true [2022-03-19 01:40:27,427 INFO L878 garLoopResultBuilder]: At program point L570(line 570) the Hoare annotation is: (<= 12292 main_~s~0) [2022-03-19 01:40:27,427 INFO L882 garLoopResultBuilder]: For program point L570-1(line 570) no Hoare annotation was computed. [2022-03-19 01:40:27,427 INFO L882 garLoopResultBuilder]: For program point mainFINAL(lines 564 574) no Hoare annotation was computed. [2022-03-19 01:40:27,427 INFO L882 garLoopResultBuilder]: For program point mainEXIT(lines 564 574) no Hoare annotation was computed. [2022-03-19 01:40:27,431 INFO L718 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] [2022-03-19 01:40:27,432 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-19 01:40:27,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.03 01:40:27 BasicIcfg [2022-03-19 01:40:27,454 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-19 01:40:27,457 INFO L158 Benchmark]: Toolchain (without parser) took 21010.86ms. Allocated memory was 184.5MB in the beginning and 563.1MB in the end (delta: 378.5MB). Free memory was 127.1MB in the beginning and 262.1MB in the end (delta: -135.1MB). Peak memory consumption was 333.0MB. Max. memory is 8.0GB. [2022-03-19 01:40:27,457 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 184.5MB. Free memory is still 144.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-19 01:40:27,458 INFO L158 Benchmark]: CACSL2BoogieTranslator took 254.67ms. Allocated memory is still 184.5MB. Free memory was 126.9MB in the beginning and 150.6MB in the end (delta: -23.7MB). Peak memory consumption was 12.3MB. Max. memory is 8.0GB. [2022-03-19 01:40:27,458 INFO L158 Benchmark]: Boogie Preprocessor took 32.11ms. Allocated memory is still 184.5MB. Free memory was 150.6MB in the beginning and 148.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-19 01:40:27,458 INFO L158 Benchmark]: RCFGBuilder took 507.56ms. Allocated memory is still 184.5MB. Free memory was 148.1MB in the beginning and 123.5MB in the end (delta: 24.7MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. [2022-03-19 01:40:27,463 INFO L158 Benchmark]: IcfgTransformer took 34.10ms. Allocated memory is still 184.5MB. Free memory was 123.5MB in the beginning and 120.3MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-03-19 01:40:27,463 INFO L158 Benchmark]: TraceAbstraction took 20173.66ms. Allocated memory was 184.5MB in the beginning and 563.1MB in the end (delta: 378.5MB). Free memory was 119.8MB in the beginning and 262.1MB in the end (delta: -142.3MB). Peak memory consumption was 326.0MB. Max. memory is 8.0GB. [2022-03-19 01:40:27,465 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 184.5MB. Free memory is still 144.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 254.67ms. Allocated memory is still 184.5MB. Free memory was 126.9MB in the beginning and 150.6MB in the end (delta: -23.7MB). Peak memory consumption was 12.3MB. Max. memory is 8.0GB. * Boogie Preprocessor took 32.11ms. Allocated memory is still 184.5MB. Free memory was 150.6MB in the beginning and 148.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 507.56ms. Allocated memory is still 184.5MB. Free memory was 148.1MB in the beginning and 123.5MB in the end (delta: 24.7MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. * IcfgTransformer took 34.10ms. Allocated memory is still 184.5MB. Free memory was 123.5MB in the beginning and 120.3MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * TraceAbstraction took 20173.66ms. Allocated memory was 184.5MB in the beginning and 563.1MB in the end (delta: 378.5MB). Free memory was 119.8MB in the beginning and 262.1MB in the end (delta: -142.3MB). Peak memory consumption was 326.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 560]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 137 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 20.1s, OverallIterations: 27, TraceHistogramMax: 22, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 6.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.6s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7166 SdHoareTripleChecker+Valid, 4.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7164 mSDsluCounter, 6333 SdHoareTripleChecker+Invalid, 3.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 607 mSDsCounter, 648 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6739 IncrementalHoareTripleChecker+Invalid, 7387 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 648 mSolverCounterUnsat, 5726 mSDtfsCounter, 6739 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3823 GetRequests, 3718 SyntacticMatches, 0 SemanticMatches, 105 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8499occurred in iteration=24, InterpolantAutomatonStates: 116, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.4s AutomataMinimizationTime, 27 MinimizatonAttempts, 6159 StatesRemovedByMinimization, 22 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 26 PreInvPairs, 264 NumberOfFragments, 815 HoareAnnotationTreeSize, 26 FomulaSimplifications, 8427 FormulaSimplificationTreeSizeReduction, 1.3s HoareSimplificationTime, 26 FomulaSimplificationsInter, 18320 FormulaSimplificationTreeSizeReductionInter, 3.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 5.1s InterpolantComputationTime, 8826 NumberOfCodeBlocks, 8826 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 10167 ConstructedInterpolants, 0 QuantifiedInterpolants, 14378 SizeOfPredicates, 5 NumberOfNonLiveVariables, 4211 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 35 InterpolantComputations, 24 PerfectInterpolantSequences, 45091/45202 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 110]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((4560 <= s__state && s__state <= 4560) && 2 == blastFlag) && !(s__hit == 0)) || ((s__hit == 0 && s__state == 4448) && blastFlag <= 4)) || ((3 == s__state && 2 == blastFlag) && s__hit == 0)) || ((s__s3__tmp__next_state___0 <= 4560 && s__hit == 0) && 4512 == s__state)) || ((s__s3__tmp__next_state___0 <= 4560 && s__hit == 0) && 4496 == s__state)) || ((s__s3__tmp__next_state___0 <= 4560 && s__hit == 0) && s__state == 4464)) || (((s__s3__tmp__next_state___0 <= 4560 && 4400 == s__state) && s__hit == 0) && blastFlag <= 4)) || (2 == blastFlag && 4512 == s__state)) || ((((4560 <= s__state && s__s3__tmp__next_state___0 <= 4560) && s__state <= 4560) && s__hit == 0) && 4560 <= s__s3__tmp__next_state___0)) || ((s__s3__tmp__next_state___0 <= 4560 && s__hit == 0) && s__state == 4480)) || ((((4352 <= s__state && s__state <= 4352) && 2 == blastFlag) && !(s__hit == 0)) && 3 == s__s3__tmp__next_state___0)) || ((s__hit == 0 && s__state == 4464) && blastFlag <= 4)) || ((4432 == s__state && s__hit == 0) && blastFlag <= 4)) || blastFlag == 0) || ((s__hit == 0 && 4496 == s__state) && blastFlag <= 4)) || ((((4352 <= s__state && s__state <= 4352) && s__s3__tmp__next_state___0 <= 4560) && s__hit == 0) && 4560 <= s__s3__tmp__next_state___0)) || ((4400 == s__state && 2 == blastFlag) && s__hit == 0)) || ((s__hit == 0 && 4512 == s__state) && blastFlag <= 4)) || (s__s3__tmp__next_state___0 <= 4560 && 3 == s__state)) || ((s__state == 4528 && s__s3__tmp__next_state___0 <= 4560) && s__hit == 0)) || ((s__state == 4416 && s__hit == 0) && blastFlag <= 4)) || !(12292 <= \old(initial_state))) || ((s__s3__tmp__next_state___0 <= 4560 && s__hit == 0) && s__state == 4448)) || ((s__hit == 0 && s__state == 4480) && blastFlag <= 4)) || ((s__state == 4528 && s__hit == 0) && blastFlag <= 4)) || (blastFlag == 1 && s__state == 4384)) || (s__state == 4528 && 2 == blastFlag) - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: !(12292 <= \old(initial_state)) - InvariantResult [Line: 113]: Loop Invariant Derived loop invariant: (12292 <= s__state && blastFlag == 0) || !(12292 <= \old(initial_state)) - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: ((((4432 <= s__state && s__state <= 4560) && s__hit == 0) && blastFlag <= 4) || ((4432 <= s__state && s__state <= 4560) && blastFlag == 0)) || !(12292 <= \old(initial_state)) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: ((4352 <= s__state && blastFlag == 0) && !(4400 <= s__state)) || !(12292 <= \old(initial_state)) - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: (((4368 < s__state && s__state <= 4560) && blastFlag == 0) || !(12292 <= \old(initial_state))) || (((4368 < s__state && s__state <= 4560) && s__hit == 0) && blastFlag <= 4) - InvariantResult [Line: 206]: Loop Invariant Derived loop invariant: ((((((4352 <= s__state && s__state <= 4352) && 2 == blastFlag) && !(s__hit == 0)) && 3 == s__s3__tmp__next_state___0) || ((4352 <= s__state && s__state <= 4352) && blastFlag == 0)) || ((((4352 <= s__state && s__state <= 4352) && s__s3__tmp__next_state___0 <= 4560) && s__hit == 0) && 4560 <= s__s3__tmp__next_state___0)) || !(12292 <= \old(initial_state)) - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: blastFlag == 0 || !(12292 <= \old(initial_state)) - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: (((((4432 <= s__state && s__state <= 4560) && s__hit == 0) && blastFlag <= 4) || ((4432 <= s__state && s__state <= 4560) && blastFlag == 0)) || !(12292 <= \old(initial_state))) || (((4432 <= s__state && s__s3__tmp__next_state___0 <= 4560) && s__state <= 4560) && s__hit == 0) - InvariantResult [Line: 200]: Loop Invariant Derived loop invariant: (((((4560 <= s__state && s__state <= 4560) && 2 == blastFlag) && !(s__hit == 0)) || ((((4560 <= s__state && s__s3__tmp__next_state___0 <= 4560) && s__state <= 4560) && s__hit == 0) && 4560 <= s__s3__tmp__next_state___0)) || ((s__state < 12292 && 4560 <= s__state) && blastFlag == 0)) || !(12292 <= \old(initial_state)) - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: (((((4368 < s__state && s__state <= 4560) && 2 == blastFlag) && s__hit == 0) || ((4368 < s__state && s__state <= 4560) && blastFlag == 0)) || !(12292 <= \old(initial_state))) || ((((4368 < s__state && s__s3__tmp__next_state___0 <= 4560) && s__state <= 4560) && s__hit == 0) && blastFlag <= 4) - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: (((((4432 <= s__state && s__state <= 4560) && s__hit == 0) && blastFlag <= 4) || ((4432 <= s__state && s__state <= 4560) && blastFlag == 0)) || !(12292 <= \old(initial_state))) || (((4432 <= s__state && s__s3__tmp__next_state___0 <= 4560) && s__state <= 4560) && s__hit == 0) - InvariantResult [Line: 158]: Loop Invariant Derived loop invariant: (((((4432 <= s__state && s__state <= 4560) && s__hit == 0) && blastFlag <= 4) || ((4432 <= s__state && s__state <= 4560) && blastFlag == 0)) || !(12292 <= \old(initial_state))) || (((4432 <= s__state && s__s3__tmp__next_state___0 <= 4560) && s__state <= 4560) && s__hit == 0) - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 182]: Loop Invariant Derived loop invariant: (((((4432 <= s__state && s__state <= 4560) && s__hit == 0) && blastFlag <= 4) || ((4432 <= s__state && s__state <= 4560) && blastFlag == 0)) || !(12292 <= \old(initial_state))) || (((4432 <= s__state && s__s3__tmp__next_state___0 <= 4560) && s__state <= 4560) && s__hit == 0) - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: (((((4432 <= s__state && s__state <= 4560) && 2 == blastFlag) || (((4432 <= s__state && s__state <= 4560) && s__hit == 0) && blastFlag <= 4)) || ((4432 <= s__state && s__state <= 4560) && blastFlag == 0)) || !(12292 <= \old(initial_state))) || (((4432 <= s__state && s__s3__tmp__next_state___0 <= 4560) && s__state <= 4560) && s__hit == 0) - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: (((((4432 <= s__state && s__state <= 4560) && 2 == blastFlag) || (((4432 <= s__state && s__state <= 4560) && s__hit == 0) && blastFlag <= 4)) || ((4432 <= s__state && s__state <= 4560) && blastFlag == 0)) || !(12292 <= \old(initial_state))) || (((4432 <= s__state && s__s3__tmp__next_state___0 <= 4560) && s__state <= 4560) && s__hit == 0) - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: (((4368 < s__state && blastFlag == 1) && !(4400 <= s__state)) || !(12292 <= \old(initial_state))) || ((4368 < s__state && blastFlag == 0) && !(4400 <= s__state)) RESULT: Ultimate proved your program to be correct! [2022-03-19 01:40:27,499 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...