/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCTransformed.xml -s ../../../trunk/examples/settings/loopacceleration/qvasr/qvasr_64.epf -i ../../../trunk/examples/svcomp/openssl-simplified/s3_clnt_4.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-7968f31 [2022-03-17 23:17:10,880 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-17 23:17:10,881 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-17 23:17:10,939 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-17 23:17:10,939 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-17 23:17:10,940 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-17 23:17:10,941 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-17 23:17:10,942 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-17 23:17:10,943 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-17 23:17:10,943 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-17 23:17:10,944 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-17 23:17:10,945 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-17 23:17:10,945 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-17 23:17:10,945 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-17 23:17:10,946 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-17 23:17:10,947 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-17 23:17:10,947 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-17 23:17:10,948 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-17 23:17:10,949 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-17 23:17:10,949 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-17 23:17:10,950 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-03-17 23:17:10,960 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-17 23:17:10,961 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-17 23:17:10,961 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-17 23:17:10,962 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-17 23:17:10,963 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-17 23:17:10,968 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-17 23:17:10,968 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-17 23:17:10,973 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-17 23:17:10,974 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/loopacceleration/qvasr/qvasr_64.epf [2022-03-17 23:17:10,988 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-17 23:17:10,988 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-17 23:17:10,989 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-17 23:17:10,989 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-17 23:17:10,990 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-17 23:17:10,990 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-17 23:17:10,990 INFO L138 SettingsManager]: * Use SBE=true [2022-03-17 23:17:10,990 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-17 23:17:10,990 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-17 23:17:10,990 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-17 23:17:10,990 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-17 23:17:10,990 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-17 23:17:10,990 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-17 23:17:10,990 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-17 23:17:10,991 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-17 23:17:10,991 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-17 23:17:10,991 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-17 23:17:10,991 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-17 23:17:10,991 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-17 23:17:10,991 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-17 23:17:10,991 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-17 23:17:10,991 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-17 23:17:10,991 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-17 23:17:10,991 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-17 23:17:10,991 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-17 23:17:10,992 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-17 23:17:10,992 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-03-17 23:17:10,992 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-03-17 23:17:10,992 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-03-17 23:17:10,992 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-03-17 23:17:11,209 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-17 23:17:11,225 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-17 23:17:11,226 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-17 23:17:11,227 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-17 23:17:11,228 INFO L275 PluginConnector]: CDTParser initialized [2022-03-17 23:17:11,230 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/openssl-simplified/s3_clnt_4.cil-1.c [2022-03-17 23:17:11,302 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2553e6c96/81ad5479472a4f70a94b785ddab545b2/FLAGce5166735 [2022-03-17 23:17:11,731 INFO L306 CDTParser]: Found 1 translation units. [2022-03-17 23:17:11,732 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/openssl-simplified/s3_clnt_4.cil-1.c [2022-03-17 23:17:11,752 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2553e6c96/81ad5479472a4f70a94b785ddab545b2/FLAGce5166735 [2022-03-17 23:17:12,269 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2553e6c96/81ad5479472a4f70a94b785ddab545b2 [2022-03-17 23:17:12,273 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-17 23:17:12,274 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-17 23:17:12,281 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-17 23:17:12,281 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-17 23:17:12,284 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-17 23:17:12,284 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 11:17:12" (1/1) ... [2022-03-17 23:17:12,285 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e2d274f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:17:12, skipping insertion in model container [2022-03-17 23:17:12,285 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 11:17:12" (1/1) ... [2022-03-17 23:17:12,297 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-17 23:17:12,320 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-17 23:17:12,475 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/openssl-simplified/s3_clnt_4.cil-1.c[35886,35899] [2022-03-17 23:17:12,485 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-17 23:17:12,491 INFO L203 MainTranslator]: Completed pre-run [2022-03-17 23:17:12,532 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/openssl-simplified/s3_clnt_4.cil-1.c[35886,35899] [2022-03-17 23:17:12,535 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-17 23:17:12,547 INFO L208 MainTranslator]: Completed translation [2022-03-17 23:17:12,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:17:12 WrapperNode [2022-03-17 23:17:12,548 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-17 23:17:12,549 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-17 23:17:12,549 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-17 23:17:12,549 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-17 23:17:12,557 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:17:12" (1/1) ... [2022-03-17 23:17:12,557 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:17:12" (1/1) ... [2022-03-17 23:17:12,564 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:17:12" (1/1) ... [2022-03-17 23:17:12,564 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:17:12" (1/1) ... [2022-03-17 23:17:12,571 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:17:12" (1/1) ... [2022-03-17 23:17:12,587 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:17:12" (1/1) ... [2022-03-17 23:17:12,589 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:17:12" (1/1) ... [2022-03-17 23:17:12,591 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-17 23:17:12,592 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-17 23:17:12,592 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-17 23:17:12,592 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-17 23:17:12,593 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:17:12" (1/1) ... [2022-03-17 23:17:12,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-17 23:17:12,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-17 23:17:12,651 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) [2022-03-17 23:17:12,668 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 [2022-03-17 23:17:12,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-03-17 23:17:12,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-17 23:17:12,694 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-03-17 23:17:12,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_connect [2022-03-17 23:17:12,694 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-03-17 23:17:12,694 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-03-17 23:17:12,694 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-03-17 23:17:12,694 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-03-17 23:17:12,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-17 23:17:12,695 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2022-03-17 23:17:12,695 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-03-17 23:17:12,697 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2022-03-17 23:17:12,697 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_connect [2022-03-17 23:17:12,697 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-03-17 23:17:12,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-03-17 23:17:12,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-17 23:17:12,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-17 23:17:12,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-17 23:17:12,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-17 23:17:12,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-17 23:17:12,818 INFO L234 CfgBuilder]: Building ICFG [2022-03-17 23:17:12,820 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-17 23:17:12,911 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-03-17 23:17:13,205 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2022-03-17 23:17:13,206 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2022-03-17 23:17:13,208 INFO L275 CfgBuilder]: Performing block encoding [2022-03-17 23:17:13,213 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-17 23:17:13,213 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-03-17 23:17:13,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.03 11:17:13 BoogieIcfgContainer [2022-03-17 23:17:13,215 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-17 23:17:13,215 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-03-17 23:17:13,215 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-03-17 23:17:13,216 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-03-17 23:17:13,218 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.03 11:17:13" (1/1) ... [2022-03-17 23:17:13,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 17.03 11:17:13 BasicIcfg [2022-03-17 23:17:13,241 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-03-17 23:17:13,242 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-17 23:17:13,242 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-17 23:17:13,244 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-17 23:17:13,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 11:17:12" (1/4) ... [2022-03-17 23:17:13,244 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68663c86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 11:17:13, skipping insertion in model container [2022-03-17 23:17:13,245 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:17:12" (2/4) ... [2022-03-17 23:17:13,245 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68663c86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 11:17:13, skipping insertion in model container [2022-03-17 23:17:13,245 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.03 11:17:13" (3/4) ... [2022-03-17 23:17:13,245 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68663c86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.03 11:17:13, skipping insertion in model container [2022-03-17 23:17:13,245 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 17.03 11:17:13" (4/4) ... [2022-03-17 23:17:13,246 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_clnt_4.cil-1.cqvasr [2022-03-17 23:17:13,250 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-17 23:17:13,250 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-17 23:17:13,282 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-17 23:17:13,287 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 [2022-03-17 23:17:13,287 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-03-17 23:17:13,301 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) [2022-03-17 23:17:13,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-03-17 23:17:13,305 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:17:13,306 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] [2022-03-17 23:17:13,306 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:17:13,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:17:13,310 INFO L85 PathProgramCache]: Analyzing trace with hash -1413612036, now seen corresponding path program 1 times [2022-03-17 23:17:13,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:17:13,316 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204992463] [2022-03-17 23:17:13,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:17:13,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:17:13,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:17:13,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:17:13,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:17:13,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-17 23:17:13,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:17:13,528 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204992463] [2022-03-17 23:17:13,529 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204992463] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:17:13,529 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:17:13,529 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-17 23:17:13,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072584459] [2022-03-17 23:17:13,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:17:13,534 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-17 23:17:13,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:17:13,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-17 23:17:13,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-17 23:17:13,563 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) [2022-03-17 23:17:13,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:17:13,890 INFO L93 Difference]: Finished difference Result 376 states and 631 transitions. [2022-03-17 23:17:13,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-17 23:17:13,892 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 [2022-03-17 23:17:13,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:17:13,911 INFO L225 Difference]: With dead ends: 376 [2022-03-17 23:17:13,911 INFO L226 Difference]: Without dead ends: 219 [2022-03-17 23:17:13,914 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 [2022-03-17 23:17:13,917 INFO L912 BasicCegarLoop]: 215 mSDtfsCounter, 578 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 580 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-17 23:17:13,917 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [580 Valid, 224 Invalid, 223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-17 23:17:13,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2022-03-17 23:17:13,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 219. [2022-03-17 23:17:13,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 214 states have (on average 1.4906542056074767) internal successors, (319), 214 states have internal predecessors, (319), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:17:13,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 323 transitions. [2022-03-17 23:17:13,987 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 323 transitions. Word has length 30 [2022-03-17 23:17:13,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:17:13,987 INFO L478 AbstractCegarLoop]: Abstraction has 219 states and 323 transitions. [2022-03-17 23:17:13,987 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) [2022-03-17 23:17:13,988 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 323 transitions. [2022-03-17 23:17:13,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-03-17 23:17:13,995 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:17:13,995 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] [2022-03-17 23:17:13,996 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-17 23:17:13,996 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:17:13,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:17:13,997 INFO L85 PathProgramCache]: Analyzing trace with hash 1163877785, now seen corresponding path program 1 times [2022-03-17 23:17:13,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:17:13,997 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421842752] [2022-03-17 23:17:13,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:17:13,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:17:14,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:17:14,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:17:14,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:17:14,078 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-17 23:17:14,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:17:14,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421842752] [2022-03-17 23:17:14,078 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421842752] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:17:14,079 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:17:14,079 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-17 23:17:14,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804006207] [2022-03-17 23:17:14,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:17:14,080 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-17 23:17:14,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:17:14,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-17 23:17:14,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-17 23:17:14,081 INFO L87 Difference]: Start difference. First operand 219 states and 323 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:17:14,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:17:14,354 INFO L93 Difference]: Finished difference Result 349 states and 522 transitions. [2022-03-17 23:17:14,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-17 23:17:14,354 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 [2022-03-17 23:17:14,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:17:14,359 INFO L225 Difference]: With dead ends: 349 [2022-03-17 23:17:14,359 INFO L226 Difference]: Without dead ends: 244 [2022-03-17 23:17:14,360 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 [2022-03-17 23:17:14,360 INFO L912 BasicCegarLoop]: 186 mSDtfsCounter, 189 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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 [2022-03-17 23:17:14,361 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] [2022-03-17 23:17:14,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2022-03-17 23:17:14,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 236. [2022-03-17 23:17:14,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 231 states have (on average 1.4761904761904763) internal successors, (341), 231 states have internal predecessors, (341), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:17:14,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 345 transitions. [2022-03-17 23:17:14,388 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 345 transitions. Word has length 44 [2022-03-17 23:17:14,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:17:14,388 INFO L478 AbstractCegarLoop]: Abstraction has 236 states and 345 transitions. [2022-03-17 23:17:14,388 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) [2022-03-17 23:17:14,388 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 345 transitions. [2022-03-17 23:17:14,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-03-17 23:17:14,390 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:17:14,390 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] [2022-03-17 23:17:14,390 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-17 23:17:14,390 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:17:14,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:17:14,391 INFO L85 PathProgramCache]: Analyzing trace with hash 10851448, now seen corresponding path program 1 times [2022-03-17 23:17:14,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:17:14,391 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401690080] [2022-03-17 23:17:14,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:17:14,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:17:14,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:17:14,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:17:14,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:17:14,480 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-17 23:17:14,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:17:14,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401690080] [2022-03-17 23:17:14,480 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401690080] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:17:14,480 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:17:14,480 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-17 23:17:14,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818507842] [2022-03-17 23:17:14,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:17:14,481 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-17 23:17:14,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:17:14,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-17 23:17:14,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-17 23:17:14,482 INFO L87 Difference]: Start difference. First operand 236 states and 345 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:17:14,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:17:14,644 INFO L93 Difference]: Finished difference Result 379 states and 553 transitions. [2022-03-17 23:17:14,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-17 23:17:14,645 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 61 [2022-03-17 23:17:14,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:17:14,646 INFO L225 Difference]: With dead ends: 379 [2022-03-17 23:17:14,646 INFO L226 Difference]: Without dead ends: 257 [2022-03-17 23:17:14,647 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 [2022-03-17 23:17:14,651 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 [2022-03-17 23:17:14,652 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] [2022-03-17 23:17:14,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2022-03-17 23:17:14,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 257. [2022-03-17 23:17:14,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 252 states have (on average 1.4603174603174602) internal successors, (368), 252 states have internal predecessors, (368), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:17:14,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 372 transitions. [2022-03-17 23:17:14,680 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 372 transitions. Word has length 61 [2022-03-17 23:17:14,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:17:14,680 INFO L478 AbstractCegarLoop]: Abstraction has 257 states and 372 transitions. [2022-03-17 23:17:14,680 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:17:14,680 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 372 transitions. [2022-03-17 23:17:14,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-03-17 23:17:14,682 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:17:14,682 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] [2022-03-17 23:17:14,682 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-17 23:17:14,682 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:17:14,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:17:14,683 INFO L85 PathProgramCache]: Analyzing trace with hash 2088060791, now seen corresponding path program 1 times [2022-03-17 23:17:14,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:17:14,683 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280500164] [2022-03-17 23:17:14,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:17:14,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:17:14,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:17:14,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:17:14,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:17:14,733 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-17 23:17:14,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:17:14,734 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280500164] [2022-03-17 23:17:14,734 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1280500164] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:17:14,734 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:17:14,734 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-17 23:17:14,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746803418] [2022-03-17 23:17:14,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:17:14,735 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-17 23:17:14,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:17:14,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-17 23:17:14,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-17 23:17:14,735 INFO L87 Difference]: Start difference. First operand 257 states and 372 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:17:14,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:17:14,910 INFO L93 Difference]: Finished difference Result 603 states and 905 transitions. [2022-03-17 23:17:14,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-17 23:17:14,910 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 [2022-03-17 23:17:14,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:17:14,913 INFO L225 Difference]: With dead ends: 603 [2022-03-17 23:17:14,913 INFO L226 Difference]: Without dead ends: 357 [2022-03-17 23:17:14,915 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 [2022-03-17 23:17:14,924 INFO L912 BasicCegarLoop]: 197 mSDtfsCounter, 209 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-17 23:17:14,926 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [209 Valid, 204 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-17 23:17:14,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2022-03-17 23:17:14,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 339. [2022-03-17 23:17:14,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 339 states, 334 states have (on average 1.401197604790419) internal successors, (468), 334 states have internal predecessors, (468), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:17:14,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 472 transitions. [2022-03-17 23:17:14,946 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 472 transitions. Word has length 61 [2022-03-17 23:17:14,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:17:14,946 INFO L478 AbstractCegarLoop]: Abstraction has 339 states and 472 transitions. [2022-03-17 23:17:14,946 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) [2022-03-17 23:17:14,946 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 472 transitions. [2022-03-17 23:17:14,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-03-17 23:17:14,951 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:17:14,951 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] [2022-03-17 23:17:14,951 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-17 23:17:14,951 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:17:14,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:17:14,952 INFO L85 PathProgramCache]: Analyzing trace with hash -962142024, now seen corresponding path program 1 times [2022-03-17 23:17:14,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:17:14,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883097754] [2022-03-17 23:17:14,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:17:14,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:17:14,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:17:15,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:17:15,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:17:15,039 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-17 23:17:15,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:17:15,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883097754] [2022-03-17 23:17:15,039 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1883097754] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:17:15,039 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:17:15,039 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-17 23:17:15,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983510018] [2022-03-17 23:17:15,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:17:15,040 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-17 23:17:15,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:17:15,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-17 23:17:15,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-17 23:17:15,041 INFO L87 Difference]: Start difference. First operand 339 states and 472 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:17:15,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:17:15,187 INFO L93 Difference]: Finished difference Result 715 states and 1011 transitions. [2022-03-17 23:17:15,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-17 23:17:15,191 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 [2022-03-17 23:17:15,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:17:15,192 INFO L225 Difference]: With dead ends: 715 [2022-03-17 23:17:15,192 INFO L226 Difference]: Without dead ends: 389 [2022-03-17 23:17:15,193 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 [2022-03-17 23:17:15,194 INFO L912 BasicCegarLoop]: 187 mSDtfsCounter, 195 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-17 23:17:15,194 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [195 Valid, 194 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-17 23:17:15,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2022-03-17 23:17:15,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 377. [2022-03-17 23:17:15,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 377 states, 372 states have (on average 1.3870967741935485) internal successors, (516), 372 states have internal predecessors, (516), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:17:15,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 520 transitions. [2022-03-17 23:17:15,204 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 520 transitions. Word has length 61 [2022-03-17 23:17:15,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:17:15,204 INFO L478 AbstractCegarLoop]: Abstraction has 377 states and 520 transitions. [2022-03-17 23:17:15,204 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) [2022-03-17 23:17:15,204 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 520 transitions. [2022-03-17 23:17:15,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-03-17 23:17:15,207 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:17:15,208 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] [2022-03-17 23:17:15,208 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-17 23:17:15,208 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:17:15,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:17:15,208 INFO L85 PathProgramCache]: Analyzing trace with hash -2121066996, now seen corresponding path program 1 times [2022-03-17 23:17:15,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:17:15,209 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105212870] [2022-03-17 23:17:15,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:17:15,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:17:15,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:17:15,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:17:15,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:17:15,255 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-17 23:17:15,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:17:15,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105212870] [2022-03-17 23:17:15,256 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2105212870] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:17:15,256 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:17:15,256 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-17 23:17:15,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702395138] [2022-03-17 23:17:15,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:17:15,256 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-17 23:17:15,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:17:15,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-17 23:17:15,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-17 23:17:15,257 INFO L87 Difference]: Start difference. First operand 377 states and 520 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:17:15,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:17:15,402 INFO L93 Difference]: Finished difference Result 847 states and 1207 transitions. [2022-03-17 23:17:15,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-17 23:17:15,402 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 [2022-03-17 23:17:15,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:17:15,405 INFO L225 Difference]: With dead ends: 847 [2022-03-17 23:17:15,405 INFO L226 Difference]: Without dead ends: 481 [2022-03-17 23:17:15,406 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 [2022-03-17 23:17:15,407 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 [2022-03-17 23:17:15,407 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] [2022-03-17 23:17:15,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2022-03-17 23:17:15,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 455. [2022-03-17 23:17:15,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 455 states, 450 states have (on average 1.4444444444444444) internal successors, (650), 450 states have internal predecessors, (650), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:17:15,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 654 transitions. [2022-03-17 23:17:15,422 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 654 transitions. Word has length 74 [2022-03-17 23:17:15,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:17:15,422 INFO L478 AbstractCegarLoop]: Abstraction has 455 states and 654 transitions. [2022-03-17 23:17:15,422 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) [2022-03-17 23:17:15,422 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 654 transitions. [2022-03-17 23:17:15,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-03-17 23:17:15,424 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:17:15,424 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] [2022-03-17 23:17:15,424 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-03-17 23:17:15,425 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:17:15,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:17:15,426 INFO L85 PathProgramCache]: Analyzing trace with hash -1564650695, now seen corresponding path program 1 times [2022-03-17 23:17:15,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:17:15,426 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880443341] [2022-03-17 23:17:15,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:17:15,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:17:15,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:17:15,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:17:15,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:17:15,514 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-03-17 23:17:15,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:17:15,515 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880443341] [2022-03-17 23:17:15,515 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880443341] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:17:15,515 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:17:15,515 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-17 23:17:15,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342804313] [2022-03-17 23:17:15,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:17:15,515 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-17 23:17:15,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:17:15,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-17 23:17:15,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-17 23:17:15,516 INFO L87 Difference]: Start difference. First operand 455 states and 654 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:17:15,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:17:15,661 INFO L93 Difference]: Finished difference Result 945 states and 1368 transitions. [2022-03-17 23:17:15,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-17 23:17:15,662 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 [2022-03-17 23:17:15,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:17:15,664 INFO L225 Difference]: With dead ends: 945 [2022-03-17 23:17:15,664 INFO L226 Difference]: Without dead ends: 503 [2022-03-17 23:17:15,665 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 [2022-03-17 23:17:15,666 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 [2022-03-17 23:17:15,667 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] [2022-03-17 23:17:15,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 503 states. [2022-03-17 23:17:15,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 503 to 497. [2022-03-17 23:17:15,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 497 states, 492 states have (on average 1.4268292682926829) internal successors, (702), 492 states have internal predecessors, (702), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:17:15,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 497 states and 706 transitions. [2022-03-17 23:17:15,679 INFO L78 Accepts]: Start accepts. Automaton has 497 states and 706 transitions. Word has length 78 [2022-03-17 23:17:15,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:17:15,680 INFO L478 AbstractCegarLoop]: Abstraction has 497 states and 706 transitions. [2022-03-17 23:17:15,680 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) [2022-03-17 23:17:15,681 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 706 transitions. [2022-03-17 23:17:15,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-03-17 23:17:15,681 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:17:15,682 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] [2022-03-17 23:17:15,682 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-03-17 23:17:15,682 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:17:15,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:17:15,682 INFO L85 PathProgramCache]: Analyzing trace with hash -540847427, now seen corresponding path program 1 times [2022-03-17 23:17:15,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:17:15,682 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124918835] [2022-03-17 23:17:15,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:17:15,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:17:15,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:17:15,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:17:15,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:17:15,749 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-03-17 23:17:15,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:17:15,751 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124918835] [2022-03-17 23:17:15,751 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124918835] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:17:15,752 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:17:15,753 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-17 23:17:15,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016620841] [2022-03-17 23:17:15,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:17:15,754 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-17 23:17:15,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:17:15,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-17 23:17:15,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-17 23:17:15,754 INFO L87 Difference]: Start difference. First operand 497 states and 706 transitions. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 3 states have internal predecessors, (74), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:17:15,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:17:15,904 INFO L93 Difference]: Finished difference Result 998 states and 1423 transitions. [2022-03-17 23:17:15,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-17 23:17:15,904 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 [2022-03-17 23:17:15,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:17:15,906 INFO L225 Difference]: With dead ends: 998 [2022-03-17 23:17:15,906 INFO L226 Difference]: Without dead ends: 735 [2022-03-17 23:17:15,907 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 [2022-03-17 23:17:15,908 INFO L912 BasicCegarLoop]: 317 mSDtfsCounter, 294 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 294 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-17 23:17:15,908 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [294 Valid, 324 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-17 23:17:15,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 735 states. [2022-03-17 23:17:15,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 735 to 735. [2022-03-17 23:17:15,922 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) [2022-03-17 23:17:15,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 735 states and 1044 transitions. [2022-03-17 23:17:15,924 INFO L78 Accepts]: Start accepts. Automaton has 735 states and 1044 transitions. Word has length 98 [2022-03-17 23:17:15,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:17:15,924 INFO L478 AbstractCegarLoop]: Abstraction has 735 states and 1044 transitions. [2022-03-17 23:17:15,925 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) [2022-03-17 23:17:15,925 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 1044 transitions. [2022-03-17 23:17:15,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-03-17 23:17:15,929 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:17:15,930 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] [2022-03-17 23:17:15,930 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-03-17 23:17:15,930 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:17:15,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:17:15,930 INFO L85 PathProgramCache]: Analyzing trace with hash -700282458, now seen corresponding path program 1 times [2022-03-17 23:17:15,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:17:15,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438139835] [2022-03-17 23:17:15,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:17:15,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:17:15,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:17:15,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:17:15,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:17:15,976 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2022-03-17 23:17:15,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:17:15,977 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438139835] [2022-03-17 23:17:15,977 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438139835] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:17:15,977 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:17:15,977 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-17 23:17:15,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873904816] [2022-03-17 23:17:15,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:17:15,978 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-17 23:17:15,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:17:15,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-17 23:17:15,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-17 23:17:15,979 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) [2022-03-17 23:17:16,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:17:16,124 INFO L93 Difference]: Finished difference Result 977 states and 1391 transitions. [2022-03-17 23:17:16,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-17 23:17:16,125 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 [2022-03-17 23:17:16,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:17:16,128 INFO L225 Difference]: With dead ends: 977 [2022-03-17 23:17:16,128 INFO L226 Difference]: Without dead ends: 975 [2022-03-17 23:17:16,128 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 [2022-03-17 23:17:16,130 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 [2022-03-17 23:17:16,130 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] [2022-03-17 23:17:16,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 975 states. [2022-03-17 23:17:16,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 975 to 975. [2022-03-17 23:17:16,147 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) [2022-03-17 23:17:16,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 975 states to 975 states and 1389 transitions. [2022-03-17 23:17:16,150 INFO L78 Accepts]: Start accepts. Automaton has 975 states and 1389 transitions. Word has length 100 [2022-03-17 23:17:16,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:17:16,150 INFO L478 AbstractCegarLoop]: Abstraction has 975 states and 1389 transitions. [2022-03-17 23:17:16,150 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) [2022-03-17 23:17:16,150 INFO L276 IsEmpty]: Start isEmpty. Operand 975 states and 1389 transitions. [2022-03-17 23:17:16,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-03-17 23:17:16,152 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:17:16,153 INFO L500 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 23:17:16,153 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-03-17 23:17:16,153 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:17:16,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:17:16,153 INFO L85 PathProgramCache]: Analyzing trace with hash -1475386212, now seen corresponding path program 1 times [2022-03-17 23:17:16,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:17:16,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34606801] [2022-03-17 23:17:16,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:17:16,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:17:16,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:17:16,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:17:16,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:17:16,209 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2022-03-17 23:17:16,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:17:16,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34606801] [2022-03-17 23:17:16,210 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34606801] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:17:16,210 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:17:16,210 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-17 23:17:16,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309016657] [2022-03-17 23:17:16,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:17:16,210 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-17 23:17:16,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:17:16,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-17 23:17:16,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-17 23:17:16,211 INFO L87 Difference]: Start difference. First operand 975 states and 1389 transitions. Second operand has 4 states, 4 states have (on average 22.5) internal successors, (90), 3 states have internal predecessors, (90), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:17:16,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:17:16,379 INFO L93 Difference]: Finished difference Result 2141 states and 3101 transitions. [2022-03-17 23:17:16,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-17 23:17:16,380 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 3 states have internal predecessors, (90), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 140 [2022-03-17 23:17:16,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:17:16,383 INFO L225 Difference]: With dead ends: 2141 [2022-03-17 23:17:16,383 INFO L226 Difference]: Without dead ends: 1171 [2022-03-17 23:17:16,385 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 [2022-03-17 23:17:16,386 INFO L912 BasicCegarLoop]: 197 mSDtfsCounter, 234 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 234 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-17 23:17:16,387 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [234 Valid, 204 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-17 23:17:16,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1171 states. [2022-03-17 23:17:16,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1171 to 1131. [2022-03-17 23:17:16,407 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) [2022-03-17 23:17:16,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1131 states to 1131 states and 1629 transitions. [2022-03-17 23:17:16,410 INFO L78 Accepts]: Start accepts. Automaton has 1131 states and 1629 transitions. Word has length 140 [2022-03-17 23:17:16,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:17:16,410 INFO L478 AbstractCegarLoop]: Abstraction has 1131 states and 1629 transitions. [2022-03-17 23:17:16,411 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 3 states have internal predecessors, (90), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:17:16,411 INFO L276 IsEmpty]: Start isEmpty. Operand 1131 states and 1629 transitions. [2022-03-17 23:17:16,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2022-03-17 23:17:16,413 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:17:16,413 INFO L500 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 23:17:16,413 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-03-17 23:17:16,414 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:17:16,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:17:16,417 INFO L85 PathProgramCache]: Analyzing trace with hash 1543242522, now seen corresponding path program 1 times [2022-03-17 23:17:16,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:17:16,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293098418] [2022-03-17 23:17:16,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:17:16,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:17:16,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:17:16,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:17:16,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:17:16,457 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 255 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2022-03-17 23:17:16,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:17:16,457 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293098418] [2022-03-17 23:17:16,457 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293098418] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:17:16,457 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:17:16,457 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-17 23:17:16,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879628745] [2022-03-17 23:17:16,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:17:16,458 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-17 23:17:16,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:17:16,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-17 23:17:16,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-17 23:17:16,458 INFO L87 Difference]: Start difference. First operand 1131 states and 1629 transitions. Second operand has 4 states, 4 states have (on average 28.25) internal successors, (113), 3 states have internal predecessors, (113), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:17:16,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:17:16,608 INFO L93 Difference]: Finished difference Result 2355 states and 3371 transitions. [2022-03-17 23:17:16,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-17 23:17:16,608 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.25) internal successors, (113), 3 states have internal predecessors, (113), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 176 [2022-03-17 23:17:16,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:17:16,612 INFO L225 Difference]: With dead ends: 2355 [2022-03-17 23:17:16,612 INFO L226 Difference]: Without dead ends: 1237 [2022-03-17 23:17:16,614 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 [2022-03-17 23:17:16,614 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 [2022-03-17 23:17:16,614 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] [2022-03-17 23:17:16,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1237 states. [2022-03-17 23:17:16,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1237 to 1223. [2022-03-17 23:17:16,637 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) [2022-03-17 23:17:16,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1223 states to 1223 states and 1741 transitions. [2022-03-17 23:17:16,641 INFO L78 Accepts]: Start accepts. Automaton has 1223 states and 1741 transitions. Word has length 176 [2022-03-17 23:17:16,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:17:16,641 INFO L478 AbstractCegarLoop]: Abstraction has 1223 states and 1741 transitions. [2022-03-17 23:17:16,641 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.25) internal successors, (113), 3 states have internal predecessors, (113), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:17:16,642 INFO L276 IsEmpty]: Start isEmpty. Operand 1223 states and 1741 transitions. [2022-03-17 23:17:16,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2022-03-17 23:17:16,644 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:17:16,644 INFO L500 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 23:17:16,644 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-03-17 23:17:16,644 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:17:16,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:17:16,645 INFO L85 PathProgramCache]: Analyzing trace with hash 1697427602, now seen corresponding path program 1 times [2022-03-17 23:17:16,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:17:16,645 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042463696] [2022-03-17 23:17:16,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:17:16,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:17:16,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:17:16,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:17:16,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:17:16,713 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 323 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2022-03-17 23:17:16,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:17:16,713 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042463696] [2022-03-17 23:17:16,714 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1042463696] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:17:16,714 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:17:16,714 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-17 23:17:16,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405609146] [2022-03-17 23:17:16,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:17:16,714 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-17 23:17:16,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:17:16,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-17 23:17:16,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-17 23:17:16,715 INFO L87 Difference]: Start difference. First operand 1223 states and 1741 transitions. Second operand has 4 states, 4 states have (on average 29.75) internal successors, (119), 3 states have internal predecessors, (119), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:17:16,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:17:16,869 INFO L93 Difference]: Finished difference Result 2545 states and 3613 transitions. [2022-03-17 23:17:16,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-17 23:17:16,869 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.75) internal successors, (119), 3 states have internal predecessors, (119), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 197 [2022-03-17 23:17:16,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:17:16,873 INFO L225 Difference]: With dead ends: 2545 [2022-03-17 23:17:16,873 INFO L226 Difference]: Without dead ends: 1335 [2022-03-17 23:17:16,875 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 [2022-03-17 23:17:16,875 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 [2022-03-17 23:17:16,876 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] [2022-03-17 23:17:16,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1335 states. [2022-03-17 23:17:16,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1335 to 1323. [2022-03-17 23:17:16,901 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) [2022-03-17 23:17:16,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1323 states to 1323 states and 1861 transitions. [2022-03-17 23:17:16,905 INFO L78 Accepts]: Start accepts. Automaton has 1323 states and 1861 transitions. Word has length 197 [2022-03-17 23:17:16,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:17:16,905 INFO L478 AbstractCegarLoop]: Abstraction has 1323 states and 1861 transitions. [2022-03-17 23:17:16,906 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.75) internal successors, (119), 3 states have internal predecessors, (119), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:17:16,906 INFO L276 IsEmpty]: Start isEmpty. Operand 1323 states and 1861 transitions. [2022-03-17 23:17:16,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2022-03-17 23:17:16,908 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:17:16,908 INFO L500 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 23:17:16,908 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-03-17 23:17:16,908 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:17:16,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:17:16,909 INFO L85 PathProgramCache]: Analyzing trace with hash 413683819, now seen corresponding path program 1 times [2022-03-17 23:17:16,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:17:16,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408901491] [2022-03-17 23:17:16,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:17:16,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:17:16,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:17:16,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:17:16,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:17:16,953 INFO L134 CoverageAnalysis]: Checked inductivity of 615 backedges. 391 proven. 0 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2022-03-17 23:17:16,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:17:16,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408901491] [2022-03-17 23:17:16,954 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [408901491] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:17:16,954 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:17:16,954 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-17 23:17:16,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112194399] [2022-03-17 23:17:16,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:17:16,954 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-17 23:17:16,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:17:16,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-17 23:17:16,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-17 23:17:16,955 INFO L87 Difference]: Start difference. First operand 1323 states and 1861 transitions. Second operand has 4 states, 4 states have (on average 31.5) internal successors, (126), 3 states have internal predecessors, (126), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:17:17,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:17:17,113 INFO L93 Difference]: Finished difference Result 2753 states and 3865 transitions. [2022-03-17 23:17:17,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-17 23:17:17,113 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.5) internal successors, (126), 3 states have internal predecessors, (126), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 221 [2022-03-17 23:17:17,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:17:17,118 INFO L225 Difference]: With dead ends: 2753 [2022-03-17 23:17:17,118 INFO L226 Difference]: Without dead ends: 1443 [2022-03-17 23:17:17,120 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 [2022-03-17 23:17:17,121 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 [2022-03-17 23:17:17,121 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] [2022-03-17 23:17:17,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1443 states. [2022-03-17 23:17:17,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1443 to 1435. [2022-03-17 23:17:17,146 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) [2022-03-17 23:17:17,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1435 states to 1435 states and 1993 transitions. [2022-03-17 23:17:17,150 INFO L78 Accepts]: Start accepts. Automaton has 1435 states and 1993 transitions. Word has length 221 [2022-03-17 23:17:17,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:17:17,150 INFO L478 AbstractCegarLoop]: Abstraction has 1435 states and 1993 transitions. [2022-03-17 23:17:17,150 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.5) internal successors, (126), 3 states have internal predecessors, (126), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:17:17,150 INFO L276 IsEmpty]: Start isEmpty. Operand 1435 states and 1993 transitions. [2022-03-17 23:17:17,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2022-03-17 23:17:17,153 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:17:17,153 INFO L500 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 23:17:17,153 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-03-17 23:17:17,154 INFO L403 AbstractCegarLoop]: === Iteration 14 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:17:17,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:17:17,154 INFO L85 PathProgramCache]: Analyzing trace with hash 929204268, now seen corresponding path program 1 times [2022-03-17 23:17:17,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:17:17,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792544985] [2022-03-17 23:17:17,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:17:17,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:17:17,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:17:17,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:17:17,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:17:17,201 INFO L134 CoverageAnalysis]: Checked inductivity of 615 backedges. 391 proven. 0 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2022-03-17 23:17:17,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:17:17,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792544985] [2022-03-17 23:17:17,201 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1792544985] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:17:17,201 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:17:17,201 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-17 23:17:17,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718654956] [2022-03-17 23:17:17,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:17:17,202 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-17 23:17:17,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:17:17,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-17 23:17:17,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-17 23:17:17,202 INFO L87 Difference]: Start difference. First operand 1435 states and 1993 transitions. Second operand has 4 states, 4 states have (on average 31.5) internal successors, (126), 3 states have internal predecessors, (126), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:17:17,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:17:17,378 INFO L93 Difference]: Finished difference Result 2993 states and 4165 transitions. [2022-03-17 23:17:17,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-17 23:17:17,378 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.5) internal successors, (126), 3 states have internal predecessors, (126), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 221 [2022-03-17 23:17:17,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:17:17,383 INFO L225 Difference]: With dead ends: 2993 [2022-03-17 23:17:17,383 INFO L226 Difference]: Without dead ends: 1571 [2022-03-17 23:17:17,385 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 [2022-03-17 23:17:17,386 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 [2022-03-17 23:17:17,386 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] [2022-03-17 23:17:17,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1571 states. [2022-03-17 23:17:17,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1571 to 1559. [2022-03-17 23:17:17,439 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) [2022-03-17 23:17:17,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1559 states to 1559 states and 2137 transitions. [2022-03-17 23:17:17,443 INFO L78 Accepts]: Start accepts. Automaton has 1559 states and 2137 transitions. Word has length 221 [2022-03-17 23:17:17,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:17:17,444 INFO L478 AbstractCegarLoop]: Abstraction has 1559 states and 2137 transitions. [2022-03-17 23:17:17,444 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.5) internal successors, (126), 3 states have internal predecessors, (126), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:17:17,444 INFO L276 IsEmpty]: Start isEmpty. Operand 1559 states and 2137 transitions. [2022-03-17 23:17:17,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2022-03-17 23:17:17,447 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:17:17,447 INFO L500 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 9, 9, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 23:17:17,447 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-03-17 23:17:17,447 INFO L403 AbstractCegarLoop]: === Iteration 15 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:17:17,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:17:17,448 INFO L85 PathProgramCache]: Analyzing trace with hash 1406706202, now seen corresponding path program 1 times [2022-03-17 23:17:17,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:17:17,448 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660959892] [2022-03-17 23:17:17,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:17:17,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:17:17,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:17:17,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:17:17,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:17:17,497 INFO L134 CoverageAnalysis]: Checked inductivity of 777 backedges. 505 proven. 0 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2022-03-17 23:17:17,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:17:17,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660959892] [2022-03-17 23:17:17,498 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660959892] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:17:17,498 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:17:17,498 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-17 23:17:17,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166495603] [2022-03-17 23:17:17,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:17:17,498 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-17 23:17:17,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:17:17,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-17 23:17:17,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-17 23:17:17,499 INFO L87 Difference]: Start difference. First operand 1559 states and 2137 transitions. Second operand has 4 states, 4 states have (on average 34.75) internal successors, (139), 3 states have internal predecessors, (139), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:17:17,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:17:17,662 INFO L93 Difference]: Finished difference Result 4647 states and 6373 transitions. [2022-03-17 23:17:17,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-17 23:17:17,663 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.75) internal successors, (139), 3 states have internal predecessors, (139), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 251 [2022-03-17 23:17:17,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:17:17,672 INFO L225 Difference]: With dead ends: 4647 [2022-03-17 23:17:17,672 INFO L226 Difference]: Without dead ends: 3101 [2022-03-17 23:17:17,676 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 [2022-03-17 23:17:17,677 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 [2022-03-17 23:17:17,677 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] [2022-03-17 23:17:17,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3101 states. [2022-03-17 23:17:17,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3101 to 3099. [2022-03-17 23:17:17,732 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) [2022-03-17 23:17:17,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3099 states to 3099 states and 4248 transitions. [2022-03-17 23:17:17,739 INFO L78 Accepts]: Start accepts. Automaton has 3099 states and 4248 transitions. Word has length 251 [2022-03-17 23:17:17,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:17:17,739 INFO L478 AbstractCegarLoop]: Abstraction has 3099 states and 4248 transitions. [2022-03-17 23:17:17,739 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.75) internal successors, (139), 3 states have internal predecessors, (139), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:17:17,740 INFO L276 IsEmpty]: Start isEmpty. Operand 3099 states and 4248 transitions. [2022-03-17 23:17:17,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2022-03-17 23:17:17,744 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:17:17,744 INFO L500 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 9, 9, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 23:17:17,744 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-03-17 23:17:17,745 INFO L403 AbstractCegarLoop]: === Iteration 16 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:17:17,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:17:17,745 INFO L85 PathProgramCache]: Analyzing trace with hash 1922226651, now seen corresponding path program 1 times [2022-03-17 23:17:17,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:17:17,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669914395] [2022-03-17 23:17:17,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:17:17,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:17:17,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:17:17,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:17:17,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:17:17,806 INFO L134 CoverageAnalysis]: Checked inductivity of 777 backedges. 465 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2022-03-17 23:17:17,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:17:17,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669914395] [2022-03-17 23:17:17,807 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669914395] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:17:17,807 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:17:17,808 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-17 23:17:17,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840444930] [2022-03-17 23:17:17,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:17:17,808 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-17 23:17:17,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:17:17,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-17 23:17:17,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-17 23:17:17,809 INFO L87 Difference]: Start difference. First operand 3099 states and 4248 transitions. Second operand has 4 states, 4 states have (on average 34.25) internal successors, (137), 3 states have internal predecessors, (137), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:17:17,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:17:17,993 INFO L93 Difference]: Finished difference Result 6485 states and 8923 transitions. [2022-03-17 23:17:17,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-17 23:17:17,993 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.25) internal successors, (137), 3 states have internal predecessors, (137), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 251 [2022-03-17 23:17:17,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:17:18,003 INFO L225 Difference]: With dead ends: 6485 [2022-03-17 23:17:18,003 INFO L226 Difference]: Without dead ends: 3399 [2022-03-17 23:17:18,008 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 [2022-03-17 23:17:18,008 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, 0.1s IncrementalHoareTripleChecker+Time [2022-03-17 23:17:18,009 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [183 Valid, 194 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-17 23:17:18,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3399 states. [2022-03-17 23:17:18,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3399 to 3383. [2022-03-17 23:17:18,071 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) [2022-03-17 23:17:18,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3383 states to 3383 states and 4572 transitions. [2022-03-17 23:17:18,079 INFO L78 Accepts]: Start accepts. Automaton has 3383 states and 4572 transitions. Word has length 251 [2022-03-17 23:17:18,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:17:18,080 INFO L478 AbstractCegarLoop]: Abstraction has 3383 states and 4572 transitions. [2022-03-17 23:17:18,080 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.25) internal successors, (137), 3 states have internal predecessors, (137), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:17:18,080 INFO L276 IsEmpty]: Start isEmpty. Operand 3383 states and 4572 transitions. [2022-03-17 23:17:18,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2022-03-17 23:17:18,085 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:17:18,085 INFO L500 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 10, 10, 8, 8, 6, 6, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 23:17:18,085 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-03-17 23:17:18,085 INFO L403 AbstractCegarLoop]: === Iteration 17 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:17:18,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:17:18,086 INFO L85 PathProgramCache]: Analyzing trace with hash 1671940338, now seen corresponding path program 1 times [2022-03-17 23:17:18,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:17:18,086 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580382243] [2022-03-17 23:17:18,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:17:18,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:17:18,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:17:18,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:17:18,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:17:18,169 INFO L134 CoverageAnalysis]: Checked inductivity of 957 backedges. 535 proven. 0 refuted. 0 times theorem prover too weak. 422 trivial. 0 not checked. [2022-03-17 23:17:18,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:17:18,169 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580382243] [2022-03-17 23:17:18,169 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580382243] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:17:18,169 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:17:18,169 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-17 23:17:18,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449318818] [2022-03-17 23:17:18,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:17:18,170 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-17 23:17:18,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:17:18,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-17 23:17:18,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-17 23:17:18,170 INFO L87 Difference]: Start difference. First operand 3383 states and 4572 transitions. Second operand has 4 states, 4 states have (on average 35.0) internal successors, (140), 3 states have internal predecessors, (140), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:17:18,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:17:18,349 INFO L93 Difference]: Finished difference Result 6901 states and 9339 transitions. [2022-03-17 23:17:18,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-17 23:17:18,349 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.0) internal successors, (140), 3 states have internal predecessors, (140), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 275 [2022-03-17 23:17:18,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:17:18,359 INFO L225 Difference]: With dead ends: 6901 [2022-03-17 23:17:18,359 INFO L226 Difference]: Without dead ends: 3531 [2022-03-17 23:17:18,365 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 [2022-03-17 23:17:18,366 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, 0.1s IncrementalHoareTripleChecker+Time [2022-03-17 23:17:18,366 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [182 Valid, 193 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-17 23:17:18,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3531 states. [2022-03-17 23:17:18,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3531 to 3515. [2022-03-17 23:17:18,434 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) [2022-03-17 23:17:18,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3515 states to 3515 states and 4724 transitions. [2022-03-17 23:17:18,442 INFO L78 Accepts]: Start accepts. Automaton has 3515 states and 4724 transitions. Word has length 275 [2022-03-17 23:17:18,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:17:18,442 INFO L478 AbstractCegarLoop]: Abstraction has 3515 states and 4724 transitions. [2022-03-17 23:17:18,442 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.0) internal successors, (140), 3 states have internal predecessors, (140), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:17:18,443 INFO L276 IsEmpty]: Start isEmpty. Operand 3515 states and 4724 transitions. [2022-03-17 23:17:18,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2022-03-17 23:17:18,448 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:17:18,448 INFO L500 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 10, 10, 8, 8, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 23:17:18,448 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-03-17 23:17:18,449 INFO L403 AbstractCegarLoop]: === Iteration 18 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:17:18,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:17:18,449 INFO L85 PathProgramCache]: Analyzing trace with hash -950820203, now seen corresponding path program 1 times [2022-03-17 23:17:18,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:17:18,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580113082] [2022-03-17 23:17:18,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:17:18,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:17:18,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:17:18,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:17:18,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:17:18,501 INFO L134 CoverageAnalysis]: Checked inductivity of 969 backedges. 427 proven. 0 refuted. 0 times theorem prover too weak. 542 trivial. 0 not checked. [2022-03-17 23:17:18,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:17:18,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580113082] [2022-03-17 23:17:18,501 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580113082] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:17:18,501 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:17:18,501 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-17 23:17:18,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984095252] [2022-03-17 23:17:18,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:17:18,502 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-17 23:17:18,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:17:18,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-17 23:17:18,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-17 23:17:18,502 INFO L87 Difference]: Start difference. First operand 3515 states and 4724 transitions. Second operand has 4 states, 4 states have (on average 32.75) internal successors, (131), 3 states have internal predecessors, (131), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:17:18,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:17:18,698 INFO L93 Difference]: Finished difference Result 7417 states and 10103 transitions. [2022-03-17 23:17:18,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-17 23:17:18,698 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.75) internal successors, (131), 3 states have internal predecessors, (131), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 286 [2022-03-17 23:17:18,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:17:18,709 INFO L225 Difference]: With dead ends: 7417 [2022-03-17 23:17:18,710 INFO L226 Difference]: Without dead ends: 3915 [2022-03-17 23:17:18,715 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 [2022-03-17 23:17:18,716 INFO L912 BasicCegarLoop]: 187 mSDtfsCounter, 228 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-17 23:17:18,716 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [228 Valid, 194 Invalid, 226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-17 23:17:18,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3915 states. [2022-03-17 23:17:18,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3915 to 3827. [2022-03-17 23:17:18,821 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) [2022-03-17 23:17:18,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3827 states to 3827 states and 5092 transitions. [2022-03-17 23:17:18,829 INFO L78 Accepts]: Start accepts. Automaton has 3827 states and 5092 transitions. Word has length 286 [2022-03-17 23:17:18,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:17:18,829 INFO L478 AbstractCegarLoop]: Abstraction has 3827 states and 5092 transitions. [2022-03-17 23:17:18,830 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.75) internal successors, (131), 3 states have internal predecessors, (131), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:17:18,830 INFO L276 IsEmpty]: Start isEmpty. Operand 3827 states and 5092 transitions. [2022-03-17 23:17:18,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2022-03-17 23:17:18,836 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:17:18,836 INFO L500 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 12, 12, 12, 12, 12, 11, 11, 10, 10, 8, 8, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 23:17:18,836 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-03-17 23:17:18,836 INFO L403 AbstractCegarLoop]: === Iteration 19 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:17:18,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:17:18,837 INFO L85 PathProgramCache]: Analyzing trace with hash 2059706519, now seen corresponding path program 1 times [2022-03-17 23:17:18,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:17:18,837 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444128785] [2022-03-17 23:17:18,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:17:18,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:17:18,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:17:18,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:17:18,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:17:18,890 INFO L134 CoverageAnalysis]: Checked inductivity of 1051 backedges. 481 proven. 0 refuted. 0 times theorem prover too weak. 570 trivial. 0 not checked. [2022-03-17 23:17:18,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:17:18,890 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444128785] [2022-03-17 23:17:18,890 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1444128785] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:17:18,890 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:17:18,891 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-17 23:17:18,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956129697] [2022-03-17 23:17:18,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:17:18,892 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-17 23:17:18,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:17:18,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-17 23:17:18,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-17 23:17:18,892 INFO L87 Difference]: Start difference. First operand 3827 states and 5092 transitions. Second operand has 4 states, 4 states have (on average 33.0) internal successors, (132), 3 states have internal predecessors, (132), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:17:19,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:17:19,099 INFO L93 Difference]: Finished difference Result 8049 states and 10647 transitions. [2022-03-17 23:17:19,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-17 23:17:19,100 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.0) internal successors, (132), 3 states have internal predecessors, (132), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 300 [2022-03-17 23:17:19,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:17:19,121 INFO L225 Difference]: With dead ends: 8049 [2022-03-17 23:17:19,121 INFO L226 Difference]: Without dead ends: 4235 [2022-03-17 23:17:19,127 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 [2022-03-17 23:17:19,128 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 [2022-03-17 23:17:19,129 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] [2022-03-17 23:17:19,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4235 states. [2022-03-17 23:17:19,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4235 to 3947. [2022-03-17 23:17:19,197 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) [2022-03-17 23:17:19,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3947 states to 3947 states and 5236 transitions. [2022-03-17 23:17:19,205 INFO L78 Accepts]: Start accepts. Automaton has 3947 states and 5236 transitions. Word has length 300 [2022-03-17 23:17:19,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:17:19,205 INFO L478 AbstractCegarLoop]: Abstraction has 3947 states and 5236 transitions. [2022-03-17 23:17:19,205 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.0) internal successors, (132), 3 states have internal predecessors, (132), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:17:19,205 INFO L276 IsEmpty]: Start isEmpty. Operand 3947 states and 5236 transitions. [2022-03-17 23:17:19,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2022-03-17 23:17:19,211 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:17:19,211 INFO L500 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 12, 12, 12, 12, 12, 11, 11, 10, 10, 8, 8, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 23:17:19,211 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-03-17 23:17:19,212 INFO L403 AbstractCegarLoop]: === Iteration 20 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:17:19,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:17:19,212 INFO L85 PathProgramCache]: Analyzing trace with hash 1555635516, now seen corresponding path program 1 times [2022-03-17 23:17:19,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:17:19,212 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635768681] [2022-03-17 23:17:19,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:17:19,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:17:19,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:17:19,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:17:19,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:17:19,277 INFO L134 CoverageAnalysis]: Checked inductivity of 1051 backedges. 600 proven. 0 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2022-03-17 23:17:19,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:17:19,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635768681] [2022-03-17 23:17:19,278 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [635768681] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:17:19,278 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:17:19,278 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-17 23:17:19,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246512517] [2022-03-17 23:17:19,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:17:19,278 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-17 23:17:19,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:17:19,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-17 23:17:19,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-17 23:17:19,279 INFO L87 Difference]: Start difference. First operand 3947 states and 5236 transitions. Second operand has 4 states, 4 states have (on average 34.5) internal successors, (138), 3 states have internal predecessors, (138), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:17:19,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:17:19,550 INFO L93 Difference]: Finished difference Result 11311 states and 15082 transitions. [2022-03-17 23:17:19,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-17 23:17:19,551 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.5) internal successors, (138), 3 states have internal predecessors, (138), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 301 [2022-03-17 23:17:19,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:17:19,564 INFO L225 Difference]: With dead ends: 11311 [2022-03-17 23:17:19,564 INFO L226 Difference]: Without dead ends: 7377 [2022-03-17 23:17:19,570 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 [2022-03-17 23:17:19,571 INFO L912 BasicCegarLoop]: 318 mSDtfsCounter, 260 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 260 SdHoareTripleChecker+Valid, 325 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-17 23:17:19,571 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [260 Valid, 325 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-17 23:17:19,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7377 states. [2022-03-17 23:17:19,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7377 to 7375. [2022-03-17 23:17:19,693 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) [2022-03-17 23:17:19,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7375 states to 7375 states and 9838 transitions. [2022-03-17 23:17:19,708 INFO L78 Accepts]: Start accepts. Automaton has 7375 states and 9838 transitions. Word has length 301 [2022-03-17 23:17:19,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:17:19,709 INFO L478 AbstractCegarLoop]: Abstraction has 7375 states and 9838 transitions. [2022-03-17 23:17:19,709 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.5) internal successors, (138), 3 states have internal predecessors, (138), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:17:19,709 INFO L276 IsEmpty]: Start isEmpty. Operand 7375 states and 9838 transitions. [2022-03-17 23:17:19,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2022-03-17 23:17:19,718 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:17:19,718 INFO L500 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 12, 12, 12, 12, 12, 11, 11, 10, 10, 8, 8, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 23:17:19,718 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-03-17 23:17:19,718 INFO L403 AbstractCegarLoop]: === Iteration 21 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:17:19,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:17:19,718 INFO L85 PathProgramCache]: Analyzing trace with hash -1382037614, now seen corresponding path program 1 times [2022-03-17 23:17:19,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:17:19,719 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649876065] [2022-03-17 23:17:19,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:17:19,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:17:19,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:17:19,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:17:19,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:17:19,767 INFO L134 CoverageAnalysis]: Checked inductivity of 1051 backedges. 604 proven. 0 refuted. 0 times theorem prover too weak. 447 trivial. 0 not checked. [2022-03-17 23:17:19,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:17:19,767 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649876065] [2022-03-17 23:17:19,767 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649876065] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:17:19,767 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:17:19,767 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-17 23:17:19,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121570311] [2022-03-17 23:17:19,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:17:19,768 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-17 23:17:19,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:17:19,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-17 23:17:19,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-17 23:17:19,769 INFO L87 Difference]: Start difference. First operand 7375 states and 9838 transitions. Second operand has 4 states, 4 states have (on average 39.25) internal successors, (157), 3 states have internal predecessors, (157), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:17:20,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:17:20,033 INFO L93 Difference]: Finished difference Result 14745 states and 19651 transitions. [2022-03-17 23:17:20,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-17 23:17:20,033 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 39.25) internal successors, (157), 3 states have internal predecessors, (157), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 302 [2022-03-17 23:17:20,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:17:20,101 INFO L225 Difference]: With dead ends: 14745 [2022-03-17 23:17:20,101 INFO L226 Difference]: Without dead ends: 7383 [2022-03-17 23:17:20,110 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 [2022-03-17 23:17:20,110 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 [2022-03-17 23:17:20,110 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] [2022-03-17 23:17:20,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7383 states. [2022-03-17 23:17:20,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7383 to 7351. [2022-03-17 23:17:20,260 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) [2022-03-17 23:17:20,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7351 states to 7351 states and 9558 transitions. [2022-03-17 23:17:20,276 INFO L78 Accepts]: Start accepts. Automaton has 7351 states and 9558 transitions. Word has length 302 [2022-03-17 23:17:20,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:17:20,276 INFO L478 AbstractCegarLoop]: Abstraction has 7351 states and 9558 transitions. [2022-03-17 23:17:20,276 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 39.25) internal successors, (157), 3 states have internal predecessors, (157), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:17:20,276 INFO L276 IsEmpty]: Start isEmpty. Operand 7351 states and 9558 transitions. [2022-03-17 23:17:20,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2022-03-17 23:17:20,286 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:17:20,286 INFO L500 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 11, 11, 9, 9, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 23:17:20,286 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-03-17 23:17:20,286 INFO L403 AbstractCegarLoop]: === Iteration 22 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:17:20,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:17:20,287 INFO L85 PathProgramCache]: Analyzing trace with hash -1235253167, now seen corresponding path program 1 times [2022-03-17 23:17:20,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:17:20,287 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523788595] [2022-03-17 23:17:20,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:17:20,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:17:20,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:17:20,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:17:20,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:17:20,352 INFO L134 CoverageAnalysis]: Checked inductivity of 1193 backedges. 637 proven. 14 refuted. 0 times theorem prover too weak. 542 trivial. 0 not checked. [2022-03-17 23:17:20,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:17:20,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523788595] [2022-03-17 23:17:20,352 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1523788595] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-17 23:17:20,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [323102762] [2022-03-17 23:17:20,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:17:20,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-17 23:17:20,352 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-17 23:17:20,360 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) [2022-03-17 23:17:20,421 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-03-17 23:17:20,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:17:20,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 660 conjuncts, 5 conjunts are in the unsatisfiable core [2022-03-17 23:17:20,547 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-17 23:17:21,016 INFO L134 CoverageAnalysis]: Checked inductivity of 1193 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 1097 trivial. 0 not checked. [2022-03-17 23:17:21,016 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-17 23:17:21,016 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [323102762] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:17:21,016 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-17 23:17:21,017 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2022-03-17 23:17:21,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148349341] [2022-03-17 23:17:21,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:17:21,017 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-17 23:17:21,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:17:21,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-17 23:17:21,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-03-17 23:17:21,018 INFO L87 Difference]: Start difference. First operand 7351 states and 9558 transitions. Second operand has 5 states, 4 states have (on average 26.25) internal successors, (105), 4 states have internal predecessors, (105), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:17:21,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:17:21,225 INFO L93 Difference]: Finished difference Result 14867 states and 19340 transitions. [2022-03-17 23:17:21,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-17 23:17:21,225 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 26.25) internal successors, (105), 4 states have internal predecessors, (105), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 325 [2022-03-17 23:17:21,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:17:21,237 INFO L225 Difference]: With dead ends: 14867 [2022-03-17 23:17:21,237 INFO L226 Difference]: Without dead ends: 7501 [2022-03-17 23:17:21,249 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 331 GetRequests, 324 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-03-17 23:17:21,249 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 [2022-03-17 23:17:21,249 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] [2022-03-17 23:17:21,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7501 states. [2022-03-17 23:17:21,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7501 to 7357. [2022-03-17 23:17:21,394 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) [2022-03-17 23:17:21,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7357 states to 7357 states and 9566 transitions. [2022-03-17 23:17:21,406 INFO L78 Accepts]: Start accepts. Automaton has 7357 states and 9566 transitions. Word has length 325 [2022-03-17 23:17:21,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:17:21,406 INFO L478 AbstractCegarLoop]: Abstraction has 7357 states and 9566 transitions. [2022-03-17 23:17:21,406 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 26.25) internal successors, (105), 4 states have internal predecessors, (105), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:17:21,406 INFO L276 IsEmpty]: Start isEmpty. Operand 7357 states and 9566 transitions. [2022-03-17 23:17:21,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2022-03-17 23:17:21,415 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:17:21,415 INFO L500 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 13, 12, 12, 11, 11, 9, 9, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 23:17:21,436 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-03-17 23:17:21,636 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 [2022-03-17 23:17:21,636 INFO L403 AbstractCegarLoop]: === Iteration 23 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:17:21,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:17:21,637 INFO L85 PathProgramCache]: Analyzing trace with hash -26358714, now seen corresponding path program 1 times [2022-03-17 23:17:21,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:17:21,637 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197835187] [2022-03-17 23:17:21,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:17:21,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:17:21,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:17:21,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:17:21,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:17:21,738 INFO L134 CoverageAnalysis]: Checked inductivity of 1256 backedges. 657 proven. 14 refuted. 0 times theorem prover too weak. 585 trivial. 0 not checked. [2022-03-17 23:17:21,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:17:21,738 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197835187] [2022-03-17 23:17:21,738 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197835187] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-17 23:17:21,738 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1867648110] [2022-03-17 23:17:21,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:17:21,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-17 23:17:21,739 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-17 23:17:21,740 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) [2022-03-17 23:17:21,741 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-17 23:17:21,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:17:21,849 INFO L263 TraceCheckSpWp]: Trace formula consists of 692 conjuncts, 3 conjunts are in the unsatisfiable core [2022-03-17 23:17:21,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-17 23:17:22,228 INFO L134 CoverageAnalysis]: Checked inductivity of 1256 backedges. 657 proven. 14 refuted. 0 times theorem prover too weak. 585 trivial. 0 not checked. [2022-03-17 23:17:22,228 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-17 23:17:22,626 INFO L134 CoverageAnalysis]: Checked inductivity of 1256 backedges. 657 proven. 14 refuted. 0 times theorem prover too weak. 585 trivial. 0 not checked. [2022-03-17 23:17:22,627 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1867648110] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-17 23:17:22,627 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-17 23:17:22,627 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 7 [2022-03-17 23:17:22,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063954442] [2022-03-17 23:17:22,627 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-17 23:17:22,628 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-17 23:17:22,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:17:22,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-17 23:17:22,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-03-17 23:17:22,629 INFO L87 Difference]: Start difference. First operand 7357 states and 9566 transitions. Second operand has 7 states, 7 states have (on average 33.57142857142857) internal successors, (235), 6 states have internal predecessors, (235), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:17:23,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:17:23,340 INFO L93 Difference]: Finished difference Result 14757 states and 19192 transitions. [2022-03-17 23:17:23,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-17 23:17:23,341 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 33.57142857142857) internal successors, (235), 6 states have internal predecessors, (235), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 338 [2022-03-17 23:17:23,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:17:23,359 INFO L225 Difference]: With dead ends: 14757 [2022-03-17 23:17:23,359 INFO L226 Difference]: Without dead ends: 11167 [2022-03-17 23:17:23,367 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 691 GetRequests, 681 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2022-03-17 23:17:23,368 INFO L912 BasicCegarLoop]: 379 mSDtfsCounter, 394 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 1196 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 394 SdHoareTripleChecker+Valid, 401 SdHoareTripleChecker+Invalid, 1262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 1196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-17 23:17:23,368 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [394 Valid, 401 Invalid, 1262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 1196 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-17 23:17:23,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11167 states. [2022-03-17 23:17:23,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11167 to 8461. [2022-03-17 23:17:23,503 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) [2022-03-17 23:17:23,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8461 states to 8461 states and 11062 transitions. [2022-03-17 23:17:23,517 INFO L78 Accepts]: Start accepts. Automaton has 8461 states and 11062 transitions. Word has length 338 [2022-03-17 23:17:23,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:17:23,517 INFO L478 AbstractCegarLoop]: Abstraction has 8461 states and 11062 transitions. [2022-03-17 23:17:23,517 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) [2022-03-17 23:17:23,517 INFO L276 IsEmpty]: Start isEmpty. Operand 8461 states and 11062 transitions. [2022-03-17 23:17:23,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2022-03-17 23:17:23,528 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:17:23,528 INFO L500 BasicCegarLoop]: trace histogram [15, 15, 14, 14, 13, 13, 13, 13, 13, 12, 12, 11, 11, 9, 9, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 23:17:23,550 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-17 23:17:23,748 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 [2022-03-17 23:17:23,748 INFO L403 AbstractCegarLoop]: === Iteration 24 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:17:23,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:17:23,748 INFO L85 PathProgramCache]: Analyzing trace with hash -1669190455, now seen corresponding path program 2 times [2022-03-17 23:17:23,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:17:23,749 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503458606] [2022-03-17 23:17:23,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:17:23,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:17:23,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:17:23,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:17:23,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:17:23,806 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 714 proven. 5 refuted. 0 times theorem prover too weak. 613 trivial. 0 not checked. [2022-03-17 23:17:23,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:17:23,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503458606] [2022-03-17 23:17:23,807 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1503458606] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-17 23:17:23,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1115487854] [2022-03-17 23:17:23,807 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-17 23:17:23,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-17 23:17:23,807 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-17 23:17:23,808 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) [2022-03-17 23:17:23,809 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-17 23:17:23,916 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-17 23:17:23,917 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-17 23:17:23,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 724 conjuncts, 2 conjunts are in the unsatisfiable core [2022-03-17 23:17:23,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-17 23:17:24,277 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 505 proven. 0 refuted. 0 times theorem prover too weak. 827 trivial. 0 not checked. [2022-03-17 23:17:24,291 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-17 23:17:24,291 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1115487854] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:17:24,291 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-17 23:17:24,291 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-03-17 23:17:24,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166291059] [2022-03-17 23:17:24,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:17:24,292 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-17 23:17:24,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:17:24,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-17 23:17:24,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-03-17 23:17:24,293 INFO L87 Difference]: Start difference. First operand 8461 states and 11062 transitions. Second operand has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:17:24,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:17:24,516 INFO L93 Difference]: Finished difference Result 17183 states and 22435 transitions. [2022-03-17 23:17:24,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-17 23:17:24,517 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 351 [2022-03-17 23:17:24,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:17:24,530 INFO L225 Difference]: With dead ends: 17183 [2022-03-17 23:17:24,530 INFO L226 Difference]: Without dead ends: 8741 [2022-03-17 23:17:24,541 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 356 GetRequests, 352 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-03-17 23:17:24,542 INFO L912 BasicCegarLoop]: 145 mSDtfsCounter, 55 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-17 23:17:24,542 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [55 Valid, 225 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-17 23:17:24,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8741 states. [2022-03-17 23:17:24,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8741 to 7885. [2022-03-17 23:17:24,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7885 states, 7880 states have (on average 1.2571065989847716) internal successors, (9906), 7880 states have internal predecessors, (9906), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:17:24,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7885 states to 7885 states and 9910 transitions. [2022-03-17 23:17:24,670 INFO L78 Accepts]: Start accepts. Automaton has 7885 states and 9910 transitions. Word has length 351 [2022-03-17 23:17:24,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:17:24,670 INFO L478 AbstractCegarLoop]: Abstraction has 7885 states and 9910 transitions. [2022-03-17 23:17:24,671 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:17:24,671 INFO L276 IsEmpty]: Start isEmpty. Operand 7885 states and 9910 transitions. [2022-03-17 23:17:24,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2022-03-17 23:17:24,680 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:17:24,680 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, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 23:17:24,698 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-17 23:17:24,898 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 [2022-03-17 23:17:24,898 INFO L403 AbstractCegarLoop]: === Iteration 25 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:17:24,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:17:24,899 INFO L85 PathProgramCache]: Analyzing trace with hash 1929982713, now seen corresponding path program 1 times [2022-03-17 23:17:24,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:17:24,899 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787206365] [2022-03-17 23:17:24,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:17:24,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:17:24,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:17:24,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:17:24,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:17:24,965 INFO L134 CoverageAnalysis]: Checked inductivity of 1651 backedges. 957 proven. 5 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2022-03-17 23:17:24,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:17:24,966 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787206365] [2022-03-17 23:17:24,966 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787206365] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-17 23:17:24,966 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1236103855] [2022-03-17 23:17:24,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:17:24,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-17 23:17:24,966 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-17 23:17:24,984 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) [2022-03-17 23:17:24,985 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-17 23:17:25,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:17:25,098 INFO L263 TraceCheckSpWp]: Trace formula consists of 777 conjuncts, 3 conjunts are in the unsatisfiable core [2022-03-17 23:17:25,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-17 23:17:25,454 INFO L134 CoverageAnalysis]: Checked inductivity of 1651 backedges. 957 proven. 5 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2022-03-17 23:17:25,454 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-17 23:17:25,825 INFO L134 CoverageAnalysis]: Checked inductivity of 1651 backedges. 957 proven. 5 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2022-03-17 23:17:25,826 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1236103855] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-17 23:17:25,826 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-17 23:17:25,826 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 7 [2022-03-17 23:17:25,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651058366] [2022-03-17 23:17:25,826 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-17 23:17:25,827 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-17 23:17:25,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:17:25,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-17 23:17:25,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-03-17 23:17:25,827 INFO L87 Difference]: Start difference. First operand 7885 states and 9910 transitions. Second operand has 7 states, 7 states have (on average 33.857142857142854) internal successors, (237), 6 states have internal predecessors, (237), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:17:26,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:17:26,236 INFO L93 Difference]: Finished difference Result 17900 states and 22396 transitions. [2022-03-17 23:17:26,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-17 23:17:26,237 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 33.857142857142854) internal successors, (237), 6 states have internal predecessors, (237), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 382 [2022-03-17 23:17:26,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:17:26,252 INFO L225 Difference]: With dead ends: 17900 [2022-03-17 23:17:26,252 INFO L226 Difference]: Without dead ends: 10026 [2022-03-17 23:17:26,262 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 774 GetRequests, 766 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-03-17 23:17:26,262 INFO L912 BasicCegarLoop]: 225 mSDtfsCounter, 556 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 435 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 556 SdHoareTripleChecker+Valid, 242 SdHoareTripleChecker+Invalid, 499 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 435 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-17 23:17:26,262 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [556 Valid, 242 Invalid, 499 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 435 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-17 23:17:26,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10026 states. [2022-03-17 23:17:26,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10026 to 8275. [2022-03-17 23:17:26,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8275 states, 8270 states have (on average 1.2538089480048367) internal successors, (10369), 8270 states have internal predecessors, (10369), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:17:26,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8275 states to 8275 states and 10373 transitions. [2022-03-17 23:17:26,393 INFO L78 Accepts]: Start accepts. Automaton has 8275 states and 10373 transitions. Word has length 382 [2022-03-17 23:17:26,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:17:26,394 INFO L478 AbstractCegarLoop]: Abstraction has 8275 states and 10373 transitions. [2022-03-17 23:17:26,394 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 33.857142857142854) internal successors, (237), 6 states have internal predecessors, (237), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:17:26,394 INFO L276 IsEmpty]: Start isEmpty. Operand 8275 states and 10373 transitions. [2022-03-17 23:17:26,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 422 [2022-03-17 23:17:26,402 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:17:26,402 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, 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] [2022-03-17 23:17:26,431 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-17 23:17:26,615 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-17 23:17:26,616 INFO L403 AbstractCegarLoop]: === Iteration 26 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:17:26,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:17:26,616 INFO L85 PathProgramCache]: Analyzing trace with hash -1151656959, now seen corresponding path program 1 times [2022-03-17 23:17:26,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:17:26,616 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995986844] [2022-03-17 23:17:26,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:17:26,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:17:26,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:17:26,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:17:26,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:17:26,677 INFO L134 CoverageAnalysis]: Checked inductivity of 1972 backedges. 887 proven. 0 refuted. 0 times theorem prover too weak. 1085 trivial. 0 not checked. [2022-03-17 23:17:26,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:17:26,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995986844] [2022-03-17 23:17:26,677 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995986844] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:17:26,677 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:17:26,677 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-17 23:17:26,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722677200] [2022-03-17 23:17:26,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:17:26,678 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-17 23:17:26,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:17:26,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-17 23:17:26,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-17 23:17:26,678 INFO L87 Difference]: Start difference. First operand 8275 states and 10373 transitions. Second operand has 4 states, 4 states have (on average 41.25) internal successors, (165), 3 states have internal predecessors, (165), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:17:26,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:17:26,910 INFO L93 Difference]: Finished difference Result 15645 states and 19232 transitions. [2022-03-17 23:17:26,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-17 23:17:26,911 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 41.25) internal successors, (165), 3 states have internal predecessors, (165), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 421 [2022-03-17 23:17:26,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:17:26,916 INFO L225 Difference]: With dead ends: 15645 [2022-03-17 23:17:26,916 INFO L226 Difference]: Without dead ends: 3859 [2022-03-17 23:17:26,924 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 [2022-03-17 23:17:26,924 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 [2022-03-17 23:17:26,925 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] [2022-03-17 23:17:26,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3859 states. [2022-03-17 23:17:26,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3859 to 3644. [2022-03-17 23:17:26,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3644 states, 3639 states have (on average 1.2426490794174223) internal successors, (4522), 3639 states have internal predecessors, (4522), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:17:26,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3644 states to 3644 states and 4526 transitions. [2022-03-17 23:17:26,973 INFO L78 Accepts]: Start accepts. Automaton has 3644 states and 4526 transitions. Word has length 421 [2022-03-17 23:17:26,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:17:26,974 INFO L478 AbstractCegarLoop]: Abstraction has 3644 states and 4526 transitions. [2022-03-17 23:17:26,974 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 41.25) internal successors, (165), 3 states have internal predecessors, (165), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:17:26,974 INFO L276 IsEmpty]: Start isEmpty. Operand 3644 states and 4526 transitions. [2022-03-17 23:17:26,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 489 [2022-03-17 23:17:26,978 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:17:26,978 INFO L500 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 17, 16, 16, 15, 15, 13, 13, 11, 11, 9, 9, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 23:17:26,979 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-03-17 23:17:26,979 INFO L403 AbstractCegarLoop]: === Iteration 27 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:17:26,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:17:26,980 INFO L85 PathProgramCache]: Analyzing trace with hash -11908213, now seen corresponding path program 1 times [2022-03-17 23:17:26,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:17:26,980 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932623074] [2022-03-17 23:17:26,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:17:26,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:17:26,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:17:27,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:17:27,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:17:27,049 INFO L134 CoverageAnalysis]: Checked inductivity of 2503 backedges. 1481 proven. 14 refuted. 0 times theorem prover too weak. 1008 trivial. 0 not checked. [2022-03-17 23:17:27,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:17:27,049 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932623074] [2022-03-17 23:17:27,049 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1932623074] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-17 23:17:27,049 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1226166490] [2022-03-17 23:17:27,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:17:27,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-17 23:17:27,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-17 23:17:27,051 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) [2022-03-17 23:17:27,052 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-17 23:17:27,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:17:27,177 INFO L263 TraceCheckSpWp]: Trace formula consists of 892 conjuncts, 3 conjunts are in the unsatisfiable core [2022-03-17 23:17:27,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-17 23:17:27,751 INFO L134 CoverageAnalysis]: Checked inductivity of 2503 backedges. 1481 proven. 14 refuted. 0 times theorem prover too weak. 1008 trivial. 0 not checked. [2022-03-17 23:17:27,752 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-17 23:17:28,372 INFO L134 CoverageAnalysis]: Checked inductivity of 2503 backedges. 1481 proven. 14 refuted. 0 times theorem prover too weak. 1008 trivial. 0 not checked. [2022-03-17 23:17:28,373 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1226166490] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-17 23:17:28,373 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-17 23:17:28,373 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 9 [2022-03-17 23:17:28,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349242464] [2022-03-17 23:17:28,373 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-17 23:17:28,374 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-17 23:17:28,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:17:28,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-17 23:17:28,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-03-17 23:17:28,374 INFO L87 Difference]: Start difference. First operand 3644 states and 4526 transitions. Second operand has 9 states, 9 states have (on average 36.0) internal successors, (324), 8 states have internal predecessors, (324), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:17:28,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:17:28,755 INFO L93 Difference]: Finished difference Result 4497 states and 5582 transitions. [2022-03-17 23:17:28,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-17 23:17:28,756 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 36.0) internal successors, (324), 8 states have internal predecessors, (324), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 488 [2022-03-17 23:17:28,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:17:28,756 INFO L225 Difference]: With dead ends: 4497 [2022-03-17 23:17:28,756 INFO L226 Difference]: Without dead ends: 0 [2022-03-17 23:17:28,760 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 987 GetRequests, 977 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2022-03-17 23:17:28,765 INFO L912 BasicCegarLoop]: 159 mSDtfsCounter, 335 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 750 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 335 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 800 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 750 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-17 23:17:28,766 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [335 Valid, 176 Invalid, 800 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 750 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-17 23:17:28,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-03-17 23:17:28,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-03-17 23:17:28,766 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) [2022-03-17 23:17:28,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-03-17 23:17:28,766 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 488 [2022-03-17 23:17:28,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:17:28,766 INFO L478 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-03-17 23:17:28,767 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 36.0) internal successors, (324), 8 states have internal predecessors, (324), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:17:28,767 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-03-17 23:17:28,767 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-03-17 23:17:28,769 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-03-17 23:17:28,790 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-03-17 23:17:28,970 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 [2022-03-17 23:17:28,972 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-03-17 23:17:32,647 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|)) [2022-03-17 23:17:32,647 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2022-03-17 23:17:32,647 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2022-03-17 23:17:32,647 INFO L885 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-03-17 23:17:32,647 INFO L885 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: true [2022-03-17 23:17:32,647 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-03-17 23:17:32,647 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-03-17 23:17:32,647 INFO L885 garLoopResultBuilder]: At program point ssl3_connectENTRY(lines 22 563) the Hoare annotation is: true [2022-03-17 23:17:32,647 INFO L882 garLoopResultBuilder]: For program point L96(lines 96 102) no Hoare annotation was computed. [2022-03-17 23:17:32,648 INFO L882 garLoopResultBuilder]: For program point L99-2(lines 96 102) no Hoare annotation was computed. [2022-03-17 23:17:32,648 INFO L882 garLoopResultBuilder]: For program point L99(lines 99 101) no Hoare annotation was computed. [2022-03-17 23:17:32,648 INFO L882 garLoopResultBuilder]: For program point L104(lines 104 108) no Hoare annotation was computed. [2022-03-17 23:17:32,648 INFO L882 garLoopResultBuilder]: For program point L105(lines 105 107) no Hoare annotation was computed. [2022-03-17 23:17:32,648 INFO L882 garLoopResultBuilder]: For program point L110-1(lines 87 562) no Hoare annotation was computed. [2022-03-17 23:17:32,648 INFO L885 garLoopResultBuilder]: At program point L551(lines 109 552) the Hoare annotation is: true [2022-03-17 23:17:32,648 INFO L882 garLoopResultBuilder]: For program point L111(line 111) no Hoare annotation was computed. [2022-03-17 23:17:32,648 INFO L882 garLoopResultBuilder]: For program point L556(lines 556 558) no Hoare annotation was computed. [2022-03-17 23:17:32,648 INFO L882 garLoopResultBuilder]: For program point L113(lines 113 531) no Hoare annotation was computed. [2022-03-17 23:17:32,648 INFO L882 garLoopResultBuilder]: For program point L556-2(lines 556 558) no Hoare annotation was computed. [2022-03-17 23:17:32,648 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|))) [2022-03-17 23:17:32,648 INFO L882 garLoopResultBuilder]: For program point L116(lines 116 530) no Hoare annotation was computed. [2022-03-17 23:17:32,648 INFO L882 garLoopResultBuilder]: For program point ssl3_connectFINAL(lines 22 563) no Hoare annotation was computed. [2022-03-17 23:17:32,648 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|))) [2022-03-17 23:17:32,648 INFO L882 garLoopResultBuilder]: For program point L119(lines 119 529) no Hoare annotation was computed. [2022-03-17 23:17:32,648 INFO L882 garLoopResultBuilder]: For program point ssl3_connectEXIT(lines 22 563) no Hoare annotation was computed. [2022-03-17 23:17:32,648 INFO L882 garLoopResultBuilder]: For program point L223(lines 223 225) no Hoare annotation was computed. [2022-03-17 23:17:32,648 INFO L882 garLoopResultBuilder]: For program point L122(lines 122 528) no Hoare annotation was computed. [2022-03-17 23:17:32,648 INFO L882 garLoopResultBuilder]: For program point L223-2(lines 223 225) no Hoare annotation was computed. [2022-03-17 23:17:32,648 INFO L882 garLoopResultBuilder]: For program point L125(lines 125 527) no Hoare annotation was computed. [2022-03-17 23:17:32,648 INFO L882 garLoopResultBuilder]: For program point L228(lines 228 231) no Hoare annotation was computed. [2022-03-17 23:17:32,648 INFO L882 garLoopResultBuilder]: For program point L128(lines 128 526) no Hoare annotation was computed. [2022-03-17 23:17:32,648 INFO L882 garLoopResultBuilder]: For program point L234(lines 234 245) no Hoare annotation was computed. [2022-03-17 23:17:32,649 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|))) [2022-03-17 23:17:32,649 INFO L882 garLoopResultBuilder]: For program point L131(lines 131 525) no Hoare annotation was computed. [2022-03-17 23:17:32,649 INFO L882 garLoopResultBuilder]: For program point L236(lines 236 239) no Hoare annotation was computed. [2022-03-17 23:17:32,649 INFO L882 garLoopResultBuilder]: For program point L234-2(lines 213 496) no Hoare annotation was computed. [2022-03-17 23:17:32,649 INFO L882 garLoopResultBuilder]: For program point L262(lines 262 264) no Hoare annotation was computed. [2022-03-17 23:17:32,649 INFO L882 garLoopResultBuilder]: For program point L134(lines 134 524) no Hoare annotation was computed. [2022-03-17 23:17:32,649 INFO L882 garLoopResultBuilder]: For program point L240(lines 240 243) no Hoare annotation was computed. [2022-03-17 23:17:32,649 INFO L882 garLoopResultBuilder]: For program point L250(lines 250 253) no Hoare annotation was computed. [2022-03-17 23:17:32,649 INFO L882 garLoopResultBuilder]: For program point L262-2(lines 213 496) no Hoare annotation was computed. [2022-03-17 23:17:32,649 INFO L878 garLoopResultBuilder]: At program point L138(lines 134 524) the Hoare annotation is: (let ((.cse0 (<= 4352 ssl3_connect_~s__state~0)) (.cse1 (not (<= 4400 ssl3_connect_~s__state~0)))) (or (and .cse0 (= ssl3_connect_~blastFlag~0 1) .cse1) (and .cse0 (= ssl3_connect_~blastFlag~0 0) .cse1) (not (<= 12292 |ssl3_connect_#in~initial_state|)))) [2022-03-17 23:17:32,649 INFO L882 garLoopResultBuilder]: For program point L137(lines 137 523) no Hoare annotation was computed. [2022-03-17 23:17:32,649 INFO L878 garLoopResultBuilder]: At program point L497(lines 110 550) the Hoare annotation is: (let ((.cse8 (= ssl3_connect_~s__state~0 4464)) (.cse9 (<= 4560 ssl3_connect_~s__state~0)) (.cse10 (<= ssl3_connect_~s__state~0 4560)) (.cse7 (= 4496 ssl3_connect_~s__state~0)) (.cse13 (<= 4352 ssl3_connect_~s__state~0)) (.cse14 (<= ssl3_connect_~s__state~0 4352)) (.cse11 (<= 4560 ssl3_connect_~s__s3__tmp__next_state___0~0)) (.cse6 (= 4512 ssl3_connect_~s__state~0)) (.cse3 (= 3 ssl3_connect_~s__state~0)) (.cse5 (<= ssl3_connect_~s__s3__tmp__next_state___0~0 4560)) (.cse1 (= ssl3_connect_~s__state~0 4448)) (.cse12 (= ssl3_connect_~s__state~0 4480)) (.cse0 (= ssl3_connect_~s__hit~0 0)) (.cse2 (<= ssl3_connect_~blastFlag~0 4)) (.cse15 (= ssl3_connect_~s__state~0 4528)) (.cse4 (= 2 ssl3_connect_~blastFlag~0))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse0) (and .cse5 .cse0 .cse6) (and .cse5 .cse0 .cse7) (and .cse5 .cse0 .cse8) (and .cse4 .cse6) (and .cse9 .cse5 .cse10 .cse0 .cse11) (and .cse5 .cse0 .cse12) (and .cse0 .cse8 .cse2) (and (= 4432 ssl3_connect_~s__state~0) .cse0 .cse2) (and .cse9 .cse10 .cse4) (and .cse13 .cse14 .cse4 (= 3 ssl3_connect_~s__s3__tmp__next_state___0~0)) (= ssl3_connect_~blastFlag~0 0) (and .cse0 .cse7 .cse2) (and .cse13 .cse14 .cse5 .cse0 .cse11) (and (= 4400 ssl3_connect_~s__state~0) .cse4 .cse0) (and .cse0 .cse6 .cse2) (and .cse5 .cse3) (and .cse15 .cse5 .cse0) (and (= ssl3_connect_~s__state~0 4416) .cse0 .cse2) (not (<= 12292 |ssl3_connect_#in~initial_state|)) (and .cse5 .cse0 .cse1) (and .cse0 .cse12 .cse2) (and .cse15 .cse0 .cse2) (and (= ssl3_connect_~blastFlag~0 1) (= ssl3_connect_~s__state~0 4384)) (and .cse15 .cse4))) [2022-03-17 23:17:32,649 INFO L882 garLoopResultBuilder]: For program point L270(lines 270 272) no Hoare annotation was computed. [2022-03-17 23:17:32,649 INFO L882 garLoopResultBuilder]: For program point L277(lines 277 279) no Hoare annotation was computed. [2022-03-17 23:17:32,649 INFO L882 garLoopResultBuilder]: For program point L140(lines 140 522) no Hoare annotation was computed. [2022-03-17 23:17:32,649 INFO L882 garLoopResultBuilder]: For program point L533(lines 533 547) no Hoare annotation was computed. [2022-03-17 23:17:32,649 INFO L882 garLoopResultBuilder]: For program point L532(lines 532 548) no Hoare annotation was computed. [2022-03-17 23:17:32,649 INFO L882 garLoopResultBuilder]: For program point L277-2(lines 213 496) no Hoare annotation was computed. [2022-03-17 23:17:32,649 INFO L878 garLoopResultBuilder]: At program point L144(lines 140 522) the Hoare annotation is: (let ((.cse0 (<= 4352 ssl3_connect_~s__state~0)) (.cse1 (<= ssl3_connect_~s__state~0 4560))) (or (and .cse0 .cse1 (= ssl3_connect_~blastFlag~0 0)) (not (<= 12292 |ssl3_connect_#in~initial_state|)) (and .cse0 .cse1 (= 2 ssl3_connect_~blastFlag~0) (= ssl3_connect_~s__hit~0 0)))) [2022-03-17 23:17:32,650 INFO L882 garLoopResultBuilder]: For program point L143(lines 143 521) no Hoare annotation was computed. [2022-03-17 23:17:32,650 INFO L882 garLoopResultBuilder]: For program point L534(lines 534 539) no Hoare annotation was computed. [2022-03-17 23:17:32,650 INFO L882 garLoopResultBuilder]: For program point L283(lines 283 287) no Hoare annotation was computed. [2022-03-17 23:17:32,650 INFO L882 garLoopResultBuilder]: For program point L294(lines 294 308) no Hoare annotation was computed. [2022-03-17 23:17:32,650 INFO L882 garLoopResultBuilder]: For program point L146(lines 146 520) no Hoare annotation was computed. [2022-03-17 23:17:32,650 INFO L882 garLoopResultBuilder]: For program point L536(lines 536 538) no Hoare annotation was computed. [2022-03-17 23:17:32,650 INFO L882 garLoopResultBuilder]: For program point L534-2(lines 533 547) no Hoare annotation was computed. [2022-03-17 23:17:32,650 INFO L882 garLoopResultBuilder]: For program point L283-2(lines 283 287) no Hoare annotation was computed. [2022-03-17 23:17:32,650 INFO L882 garLoopResultBuilder]: For program point L294-2(lines 294 308) no Hoare annotation was computed. [2022-03-17 23:17:32,650 INFO L882 garLoopResultBuilder]: For program point L298(lines 298 304) no Hoare annotation was computed. [2022-03-17 23:17:32,650 INFO L878 garLoopResultBuilder]: At program point L150(lines 146 520) the Hoare annotation is: (let ((.cse0 (<= ssl3_connect_~s__state~0 4560)) (.cse1 (< 4400 ssl3_connect_~s__state~0))) (or (and .cse0 (= ssl3_connect_~blastFlag~0 0) .cse1) (not (<= 12292 |ssl3_connect_#in~initial_state|)) (and .cse0 (= ssl3_connect_~s__hit~0 0) .cse1 (<= ssl3_connect_~blastFlag~0 4)))) [2022-03-17 23:17:32,650 INFO L882 garLoopResultBuilder]: For program point L149(lines 149 519) no Hoare annotation was computed. [2022-03-17 23:17:32,650 INFO L882 garLoopResultBuilder]: For program point L541(lines 541 545) no Hoare annotation was computed. [2022-03-17 23:17:32,650 INFO L882 garLoopResultBuilder]: For program point L301-2(lines 296 308) no Hoare annotation was computed. [2022-03-17 23:17:32,650 INFO L882 garLoopResultBuilder]: For program point L301(lines 301 303) no Hoare annotation was computed. [2022-03-17 23:17:32,650 INFO L882 garLoopResultBuilder]: For program point L316(lines 316 318) no Hoare annotation was computed. [2022-03-17 23:17:32,650 INFO L882 garLoopResultBuilder]: For program point L152(lines 152 518) no Hoare annotation was computed. [2022-03-17 23:17:32,650 INFO L882 garLoopResultBuilder]: For program point L316-2(lines 213 496) no Hoare annotation was computed. [2022-03-17 23:17:32,650 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|)))) [2022-03-17 23:17:32,650 INFO L882 garLoopResultBuilder]: For program point L155(lines 155 517) no Hoare annotation was computed. [2022-03-17 23:17:32,650 INFO L882 garLoopResultBuilder]: For program point L324(lines 324 327) no Hoare annotation was computed. [2022-03-17 23:17:32,650 INFO L882 garLoopResultBuilder]: For program point L332(lines 332 334) no Hoare annotation was computed. [2022-03-17 23:17:32,651 INFO L882 garLoopResultBuilder]: For program point L158(lines 158 516) no Hoare annotation was computed. [2022-03-17 23:17:32,651 INFO L878 garLoopResultBuilder]: At program point L333(lines 87 562) the Hoare annotation is: (not (<= 12292 |ssl3_connect_#in~initial_state|)) [2022-03-17 23:17:32,651 INFO L882 garLoopResultBuilder]: For program point L335(lines 335 337) no Hoare annotation was computed. [2022-03-17 23:17:32,651 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))) [2022-03-17 23:17:32,651 INFO L882 garLoopResultBuilder]: For program point L161(lines 161 515) no Hoare annotation was computed. [2022-03-17 23:17:32,651 INFO L882 garLoopResultBuilder]: For program point ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION(line 560) no Hoare annotation was computed. [2022-03-17 23:17:32,651 INFO L882 garLoopResultBuilder]: For program point L344(lines 344 346) no Hoare annotation was computed. [2022-03-17 23:17:32,651 INFO L882 garLoopResultBuilder]: For program point L164(lines 164 514) no Hoare annotation was computed. [2022-03-17 23:17:32,651 INFO L882 garLoopResultBuilder]: For program point L347(lines 347 351) no Hoare annotation was computed. [2022-03-17 23:17:32,651 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))) [2022-03-17 23:17:32,651 INFO L882 garLoopResultBuilder]: For program point L167(lines 167 513) no Hoare annotation was computed. [2022-03-17 23:17:32,651 INFO L882 garLoopResultBuilder]: For program point L347-2(lines 347 351) no Hoare annotation was computed. [2022-03-17 23:17:32,651 INFO L882 garLoopResultBuilder]: For program point L359(lines 359 361) no Hoare annotation was computed. [2022-03-17 23:17:32,651 INFO L882 garLoopResultBuilder]: For program point L170(lines 170 512) no Hoare annotation was computed. [2022-03-17 23:17:32,651 INFO L882 garLoopResultBuilder]: For program point L173(lines 173 511) no Hoare annotation was computed. [2022-03-17 23:17:32,651 INFO L882 garLoopResultBuilder]: For program point L176(lines 176 510) no Hoare annotation was computed. [2022-03-17 23:17:32,651 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))) [2022-03-17 23:17:32,651 INFO L882 garLoopResultBuilder]: For program point L179(lines 179 509) no Hoare annotation was computed. [2022-03-17 23:17:32,651 INFO L882 garLoopResultBuilder]: For program point L368(lines 368 370) no Hoare annotation was computed. [2022-03-17 23:17:32,651 INFO L882 garLoopResultBuilder]: For program point L182(lines 182 508) no Hoare annotation was computed. [2022-03-17 23:17:32,651 INFO L882 garLoopResultBuilder]: For program point L372(lines 372 377) no Hoare annotation was computed. [2022-03-17 23:17:32,652 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))) [2022-03-17 23:17:32,652 INFO L882 garLoopResultBuilder]: For program point L185(lines 185 507) no Hoare annotation was computed. [2022-03-17 23:17:32,652 INFO L882 garLoopResultBuilder]: For program point L372-2(lines 372 377) no Hoare annotation was computed. [2022-03-17 23:17:32,652 INFO L882 garLoopResultBuilder]: For program point L383(lines 383 385) no Hoare annotation was computed. [2022-03-17 23:17:32,652 INFO L882 garLoopResultBuilder]: For program point L188(lines 188 506) no Hoare annotation was computed. [2022-03-17 23:17:32,652 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))) [2022-03-17 23:17:32,652 INFO L882 garLoopResultBuilder]: For program point L191(lines 191 505) no Hoare annotation was computed. [2022-03-17 23:17:32,652 INFO L882 garLoopResultBuilder]: For program point L393(lines 393 395) no Hoare annotation was computed. [2022-03-17 23:17:32,652 INFO L882 garLoopResultBuilder]: For program point L194(lines 194 504) no Hoare annotation was computed. [2022-03-17 23:17:32,652 INFO L882 garLoopResultBuilder]: For program point L399(lines 399 403) no Hoare annotation was computed. [2022-03-17 23:17:32,652 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))) [2022-03-17 23:17:32,652 INFO L882 garLoopResultBuilder]: For program point L197(lines 197 503) no Hoare annotation was computed. [2022-03-17 23:17:32,652 INFO L882 garLoopResultBuilder]: For program point L399-2(lines 213 496) no Hoare annotation was computed. [2022-03-17 23:17:32,652 INFO L882 garLoopResultBuilder]: For program point L416(lines 416 418) no Hoare annotation was computed. [2022-03-17 23:17:32,652 INFO L882 garLoopResultBuilder]: For program point L200(lines 200 502) no Hoare annotation was computed. [2022-03-17 23:17:32,652 INFO L882 garLoopResultBuilder]: For program point L408(lines 408 411) no Hoare annotation was computed. [2022-03-17 23:17:32,652 INFO L882 garLoopResultBuilder]: For program point L423(lines 423 437) no Hoare annotation was computed. [2022-03-17 23:17:32,652 INFO L878 garLoopResultBuilder]: At program point L204(lines 200 502) the Hoare annotation is: (let ((.cse0 (<= 4560 ssl3_connect_~s__state~0)) (.cse1 (<= ssl3_connect_~s__state~0 4560))) (or (and .cse0 (<= ssl3_connect_~s__s3__tmp__next_state___0~0 4560) .cse1 (= ssl3_connect_~s__hit~0 0) (<= 4560 ssl3_connect_~s__s3__tmp__next_state___0~0)) (and (< ssl3_connect_~s__state~0 12292) .cse0 (= ssl3_connect_~blastFlag~0 0)) (and .cse0 .cse1 (= 2 ssl3_connect_~blastFlag~0)) (not (<= 12292 |ssl3_connect_#in~initial_state|)))) [2022-03-17 23:17:32,652 INFO L882 garLoopResultBuilder]: For program point L203(lines 203 501) no Hoare annotation was computed. [2022-03-17 23:17:32,652 INFO L882 garLoopResultBuilder]: For program point L427(lines 427 433) no Hoare annotation was computed. [2022-03-17 23:17:32,652 INFO L882 garLoopResultBuilder]: For program point L423-1(lines 423 437) no Hoare annotation was computed. [2022-03-17 23:17:32,652 INFO L882 garLoopResultBuilder]: For program point L443(lines 443 445) no Hoare annotation was computed. [2022-03-17 23:17:32,653 INFO L882 garLoopResultBuilder]: For program point L206(lines 206 500) no Hoare annotation was computed. [2022-03-17 23:17:32,653 INFO L882 garLoopResultBuilder]: For program point L446(lines 446 450) no Hoare annotation was computed. [2022-03-17 23:17:32,653 INFO L878 garLoopResultBuilder]: At program point L207(lines 206 500) the Hoare annotation is: (let ((.cse0 (<= 4352 ssl3_connect_~s__state~0)) (.cse1 (<= ssl3_connect_~s__state~0 4352))) (or (and .cse0 .cse1 (= ssl3_connect_~blastFlag~0 0)) (and .cse0 .cse1 (= 2 ssl3_connect_~blastFlag~0) (= 3 ssl3_connect_~s__s3__tmp__next_state___0~0)) (and .cse0 .cse1 (<= ssl3_connect_~s__s3__tmp__next_state___0~0 4560) (= ssl3_connect_~s__hit~0 0) (<= 4560 ssl3_connect_~s__s3__tmp__next_state___0~0)) (not (<= 12292 |ssl3_connect_#in~initial_state|)))) [2022-03-17 23:17:32,653 INFO L882 garLoopResultBuilder]: For program point L209(lines 209 499) no Hoare annotation was computed. [2022-03-17 23:17:32,653 INFO L882 garLoopResultBuilder]: For program point L446-2(lines 446 450) no Hoare annotation was computed. [2022-03-17 23:17:32,653 INFO L882 garLoopResultBuilder]: For program point L456(lines 456 467) no Hoare annotation was computed. [2022-03-17 23:17:32,653 INFO L885 garLoopResultBuilder]: At program point L210(lines 209 499) the Hoare annotation is: true [2022-03-17 23:17:32,653 INFO L885 garLoopResultBuilder]: At program point L212(lines 211 499) the Hoare annotation is: true [2022-03-17 23:17:32,653 INFO L882 garLoopResultBuilder]: For program point L461(lines 461 464) no Hoare annotation was computed. [2022-03-17 23:17:32,653 INFO L882 garLoopResultBuilder]: For program point L456-2(lines 456 467) no Hoare annotation was computed. [2022-03-17 23:17:32,653 INFO L882 garLoopResultBuilder]: For program point L472-1(lines 472 474) no Hoare annotation was computed. [2022-03-17 23:17:32,653 INFO L882 garLoopResultBuilder]: For program point L478(lines 478 480) no Hoare annotation was computed. [2022-03-17 23:17:32,653 INFO L882 garLoopResultBuilder]: For program point L478-2(lines 478 480) no Hoare annotation was computed. [2022-03-17 23:17:32,653 INFO L882 garLoopResultBuilder]: For program point L484(lines 484 486) no Hoare annotation was computed. [2022-03-17 23:17:32,653 INFO L882 garLoopResultBuilder]: For program point L484-2(lines 484 486) no Hoare annotation was computed. [2022-03-17 23:17:32,653 INFO L882 garLoopResultBuilder]: For program point L489(lines 489 491) no Hoare annotation was computed. [2022-03-17 23:17:32,653 INFO L885 garLoopResultBuilder]: At program point mainENTRY(lines 564 574) the Hoare annotation is: true [2022-03-17 23:17:32,653 INFO L878 garLoopResultBuilder]: At program point L570(line 570) the Hoare annotation is: (<= 12292 main_~s~0) [2022-03-17 23:17:32,653 INFO L882 garLoopResultBuilder]: For program point L570-1(line 570) no Hoare annotation was computed. [2022-03-17 23:17:32,653 INFO L882 garLoopResultBuilder]: For program point mainFINAL(lines 564 574) no Hoare annotation was computed. [2022-03-17 23:17:32,653 INFO L882 garLoopResultBuilder]: For program point mainEXIT(lines 564 574) no Hoare annotation was computed. [2022-03-17 23:17:32,656 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] [2022-03-17 23:17:32,657 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-17 23:17:32,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.03 11:17:32 BasicIcfg [2022-03-17 23:17:32,695 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-17 23:17:32,695 INFO L158 Benchmark]: Toolchain (without parser) took 20421.53ms. Allocated memory was 180.4MB in the beginning and 614.5MB in the end (delta: 434.1MB). Free memory was 123.2MB in the beginning and 468.8MB in the end (delta: -345.6MB). Peak memory consumption was 358.3MB. Max. memory is 8.0GB. [2022-03-17 23:17:32,695 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 180.4MB. Free memory is still 140.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-17 23:17:32,695 INFO L158 Benchmark]: CACSL2BoogieTranslator took 267.49ms. Allocated memory was 180.4MB in the beginning and 285.2MB in the end (delta: 104.9MB). Free memory was 123.0MB in the beginning and 252.9MB in the end (delta: -129.9MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-03-17 23:17:32,696 INFO L158 Benchmark]: Boogie Preprocessor took 42.35ms. Allocated memory is still 285.2MB. Free memory was 252.9MB in the beginning and 250.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-17 23:17:32,696 INFO L158 Benchmark]: RCFGBuilder took 622.90ms. Allocated memory is still 285.2MB. Free memory was 250.8MB in the beginning and 224.0MB in the end (delta: 26.7MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. [2022-03-17 23:17:32,696 INFO L158 Benchmark]: IcfgTransformer took 25.27ms. Allocated memory is still 285.2MB. Free memory was 224.0MB in the beginning and 220.9MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-03-17 23:17:32,696 INFO L158 Benchmark]: TraceAbstraction took 19452.96ms. Allocated memory was 285.2MB in the beginning and 614.5MB in the end (delta: 329.3MB). Free memory was 220.3MB in the beginning and 468.8MB in the end (delta: -248.5MB). Peak memory consumption was 349.9MB. Max. memory is 8.0GB. [2022-03-17 23:17:32,697 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 180.4MB. Free memory is still 140.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 267.49ms. Allocated memory was 180.4MB in the beginning and 285.2MB in the end (delta: 104.9MB). Free memory was 123.0MB in the beginning and 252.9MB in the end (delta: -129.9MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 42.35ms. Allocated memory is still 285.2MB. Free memory was 252.9MB in the beginning and 250.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 622.90ms. Allocated memory is still 285.2MB. Free memory was 250.8MB in the beginning and 224.0MB in the end (delta: 26.7MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. * IcfgTransformer took 25.27ms. Allocated memory is still 285.2MB. Free memory was 224.0MB in the beginning and 220.9MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * TraceAbstraction took 19452.96ms. Allocated memory was 285.2MB in the beginning and 614.5MB in the end (delta: 329.3MB). Free memory was 220.3MB in the beginning and 468.8MB in the end (delta: -248.5MB). Peak memory consumption was 349.9MB. 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: 19.4s, OverallIterations: 27, TraceHistogramMax: 18, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 6.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.7s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6970 SdHoareTripleChecker+Valid, 4.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6968 mSDsluCounter, 6112 SdHoareTripleChecker+Invalid, 3.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 526 mSDsCounter, 623 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6656 IncrementalHoareTripleChecker+Invalid, 7279 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 623 mSolverCounterUnsat, 5586 mSDtfsCounter, 6656 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3292 GetRequests, 3187 SyntacticMatches, 0 SemanticMatches, 105 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8461occurred in iteration=23, InterpolantAutomatonStates: 116, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.6s AutomataMinimizationTime, 27 MinimizatonAttempts, 6272 StatesRemovedByMinimization, 22 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 26 PreInvPairs, 260 NumberOfFragments, 770 HoareAnnotationTreeSize, 26 FomulaSimplifications, 7590 FormulaSimplificationTreeSizeReduction, 1.4s HoareSimplificationTime, 26 FomulaSimplificationsInter, 21440 FormulaSimplificationTreeSizeReductionInter, 2.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 4.8s InterpolantComputationTime, 7717 NumberOfCodeBlocks, 7717 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 8890 ConstructedInterpolants, 0 QuantifiedInterpolants, 11943 SizeOfPredicates, 5 NumberOfNonLiveVariables, 3745 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 35 InterpolantComputations, 24 PerfectInterpolantSequences, 32519/32637 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 110]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((s__hit == 0 && s__state == 4448) && blastFlag <= 4) || ((3 == s__state && 2 == blastFlag) && s__hit == 0)) || ((s__s3__tmp__next_state___0 <= 4560 && s__hit == 0) && 4512 == s__state)) || ((s__s3__tmp__next_state___0 <= 4560 && s__hit == 0) && 4496 == s__state)) || ((s__s3__tmp__next_state___0 <= 4560 && s__hit == 0) && s__state == 4464)) || (2 == blastFlag && 4512 == s__state)) || ((((4560 <= s__state && s__s3__tmp__next_state___0 <= 4560) && s__state <= 4560) && s__hit == 0) && 4560 <= s__s3__tmp__next_state___0)) || ((s__s3__tmp__next_state___0 <= 4560 && s__hit == 0) && s__state == 4480)) || ((s__hit == 0 && s__state == 4464) && blastFlag <= 4)) || ((4432 == s__state && s__hit == 0) && blastFlag <= 4)) || ((4560 <= s__state && s__state <= 4560) && 2 == blastFlag)) || (((4352 <= s__state && s__state <= 4352) && 2 == blastFlag) && 3 == s__s3__tmp__next_state___0)) || blastFlag == 0) || ((s__hit == 0 && 4496 == s__state) && blastFlag <= 4)) || ((((4352 <= s__state && s__state <= 4352) && s__s3__tmp__next_state___0 <= 4560) && s__hit == 0) && 4560 <= s__s3__tmp__next_state___0)) || ((4400 == s__state && 2 == blastFlag) && s__hit == 0)) || ((s__hit == 0 && 4512 == s__state) && blastFlag <= 4)) || (s__s3__tmp__next_state___0 <= 4560 && 3 == s__state)) || ((s__state == 4528 && s__s3__tmp__next_state___0 <= 4560) && s__hit == 0)) || ((s__state == 4416 && s__hit == 0) && blastFlag <= 4)) || !(12292 <= \old(initial_state))) || ((s__s3__tmp__next_state___0 <= 4560 && s__hit == 0) && s__state == 4448)) || ((s__hit == 0 && s__state == 4480) && blastFlag <= 4)) || ((s__state == 4528 && s__hit == 0) && blastFlag <= 4)) || (blastFlag == 1 && s__state == 4384)) || (s__state == 4528 && 2 == blastFlag) - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: !(12292 <= \old(initial_state)) - InvariantResult [Line: 113]: Loop Invariant Derived loop invariant: (12292 <= s__state && blastFlag == 0) || !(12292 <= \old(initial_state)) - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: ((((4432 <= s__state && s__state <= 4560) && s__hit == 0) && blastFlag <= 4) || ((4432 <= s__state && s__state <= 4560) && blastFlag == 0)) || !(12292 <= \old(initial_state)) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: ((4352 <= s__state && blastFlag == 0) && !(4400 <= s__state)) || !(12292 <= \old(initial_state)) - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: (((s__state <= 4560 && blastFlag == 0) && 4400 < s__state) || !(12292 <= \old(initial_state))) || (((s__state <= 4560 && s__hit == 0) && 4400 < s__state) && blastFlag <= 4) - InvariantResult [Line: 206]: Loop Invariant Derived loop invariant: ((((4352 <= s__state && s__state <= 4352) && blastFlag == 0) || (((4352 <= s__state && s__state <= 4352) && 2 == blastFlag) && 3 == s__s3__tmp__next_state___0)) || ((((4352 <= s__state && s__state <= 4352) && s__s3__tmp__next_state___0 <= 4560) && s__hit == 0) && 4560 <= s__s3__tmp__next_state___0)) || !(12292 <= \old(initial_state)) - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: blastFlag == 0 || !(12292 <= \old(initial_state)) - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: (((((4432 <= s__state && s__state <= 4560) && s__hit == 0) && blastFlag <= 4) || ((4432 <= s__state && s__state <= 4560) && blastFlag == 0)) || !(12292 <= \old(initial_state))) || (((4432 <= s__state && s__s3__tmp__next_state___0 <= 4560) && s__state <= 4560) && s__hit == 0) - InvariantResult [Line: 200]: Loop Invariant Derived loop invariant: ((((((4560 <= s__state && s__s3__tmp__next_state___0 <= 4560) && s__state <= 4560) && s__hit == 0) && 4560 <= s__s3__tmp__next_state___0) || ((s__state < 12292 && 4560 <= s__state) && blastFlag == 0)) || ((4560 <= s__state && s__state <= 4560) && 2 == blastFlag)) || !(12292 <= \old(initial_state)) - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: (((4352 <= s__state && s__state <= 4560) && blastFlag == 0) || !(12292 <= \old(initial_state))) || (((4352 <= s__state && s__state <= 4560) && 2 == blastFlag) && s__hit == 0) - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: (((((4432 <= s__state && s__state <= 4560) && s__hit == 0) && blastFlag <= 4) || ((4432 <= s__state && s__state <= 4560) && blastFlag == 0)) || !(12292 <= \old(initial_state))) || (((4432 <= s__state && s__s3__tmp__next_state___0 <= 4560) && s__state <= 4560) && s__hit == 0) - InvariantResult [Line: 158]: Loop Invariant Derived loop invariant: (((((4432 <= s__state && s__state <= 4560) && s__hit == 0) && blastFlag <= 4) || ((4432 <= s__state && s__state <= 4560) && blastFlag == 0)) || !(12292 <= \old(initial_state))) || (((4432 <= s__state && s__s3__tmp__next_state___0 <= 4560) && s__state <= 4560) && s__hit == 0) - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 182]: Loop Invariant Derived loop invariant: (((((4432 <= s__state && s__state <= 4560) && s__hit == 0) && blastFlag <= 4) || ((4432 <= s__state && s__state <= 4560) && blastFlag == 0)) || !(12292 <= \old(initial_state))) || (((4432 <= s__state && s__s3__tmp__next_state___0 <= 4560) && s__state <= 4560) && s__hit == 0) - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: (((((4432 <= s__state && s__state <= 4560) && 2 == blastFlag) || (((4432 <= s__state && s__state <= 4560) && s__hit == 0) && blastFlag <= 4)) || ((4432 <= s__state && s__state <= 4560) && blastFlag == 0)) || !(12292 <= \old(initial_state))) || (((4432 <= s__state && s__s3__tmp__next_state___0 <= 4560) && s__state <= 4560) && s__hit == 0) - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: (((((4432 <= s__state && s__state <= 4560) && 2 == blastFlag) || (((4432 <= s__state && s__state <= 4560) && s__hit == 0) && blastFlag <= 4)) || ((4432 <= s__state && s__state <= 4560) && blastFlag == 0)) || !(12292 <= \old(initial_state))) || (((4432 <= s__state && s__s3__tmp__next_state___0 <= 4560) && s__state <= 4560) && s__hit == 0) - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: (((4352 <= s__state && blastFlag == 1) && !(4400 <= s__state)) || ((4352 <= s__state && blastFlag == 0) && !(4400 <= s__state))) || !(12292 <= \old(initial_state)) RESULT: Ultimate proved your program to be correct! [2022-03-17 23:17:32,735 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...