/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/automizer/LoopAccelerationJordanC.epf -i ../../../trunk/examples/svcomp/openssl-simplified/s3_clnt_4.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-b030c9e [2022-03-20 07:27:59,511 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-20 07:27:59,513 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-20 07:27:59,550 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-20 07:27:59,551 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-20 07:27:59,552 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-20 07:27:59,554 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-20 07:27:59,557 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-20 07:27:59,558 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-20 07:27:59,562 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-20 07:27:59,563 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-20 07:27:59,564 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-20 07:27:59,565 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-20 07:27:59,567 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-20 07:27:59,567 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-20 07:27:59,570 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-20 07:27:59,570 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-20 07:27:59,571 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-20 07:27:59,573 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-20 07:27:59,578 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-20 07:27:59,579 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-03-20 07:27:59,580 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-20 07:27:59,581 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-20 07:27:59,582 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-20 07:27:59,583 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-20 07:27:59,588 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-20 07:27:59,591 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-20 07:27:59,593 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-20 07:27:59,593 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-20 07:27:59,594 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-20 07:27:59,594 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-20 07:27:59,594 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-20 07:27:59,595 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-20 07:27:59,595 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-20 07:27:59,595 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-20 07:27:59,596 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-20 07:27:59,597 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-20 07:27:59,598 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2022-03-20 07:27:59,606 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-20 07:27:59,607 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-20 07:27:59,608 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-20 07:27:59,608 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-20 07:27:59,608 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-20 07:27:59,608 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-20 07:27:59,608 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-20 07:27:59,608 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-20 07:27:59,608 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-20 07:27:59,609 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-20 07:27:59,609 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-20 07:27:59,609 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-20 07:27:59,609 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-20 07:27:59,609 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-20 07:27:59,609 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-20 07:27:59,610 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-20 07:27:59,610 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-20 07:27:59,610 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-20 07:27:59,610 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-20 07:27:59,610 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-20 07:27:59,610 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-20 07:27:59,611 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-03-20 07:27:59,611 INFO L138 SettingsManager]: * TransformationType=LOOP_ACCELERATION_JORDAN WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-03-20 07:27:59,819 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-20 07:27:59,846 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-20 07:27:59,849 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-20 07:27:59,850 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-20 07:27:59,850 INFO L275 PluginConnector]: CDTParser initialized [2022-03-20 07:27:59,851 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/openssl-simplified/s3_clnt_4.cil-1.c [2022-03-20 07:27:59,925 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e23da9e3/bf20cb8f02a14ceab003f3ff26959dc8/FLAG625da6028 [2022-03-20 07:28:00,252 INFO L306 CDTParser]: Found 1 translation units. [2022-03-20 07:28:00,253 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/openssl-simplified/s3_clnt_4.cil-1.c [2022-03-20 07:28:00,270 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e23da9e3/bf20cb8f02a14ceab003f3ff26959dc8/FLAG625da6028 [2022-03-20 07:28:00,640 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e23da9e3/bf20cb8f02a14ceab003f3ff26959dc8 [2022-03-20 07:28:00,644 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-20 07:28:00,645 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-20 07:28:00,652 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-20 07:28:00,652 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-20 07:28:00,655 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-20 07:28:00,656 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.03 07:28:00" (1/1) ... [2022-03-20 07:28:00,656 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5565b697 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 07:28:00, skipping insertion in model container [2022-03-20 07:28:00,657 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.03 07:28:00" (1/1) ... [2022-03-20 07:28:00,661 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-20 07:28:00,681 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-20 07:28:00,849 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] [2022-03-20 07:28:00,854 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-20 07:28:00,859 INFO L203 MainTranslator]: Completed pre-run [2022-03-20 07:28:00,886 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] [2022-03-20 07:28:00,888 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-20 07:28:00,897 INFO L208 MainTranslator]: Completed translation [2022-03-20 07:28:00,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 07:28:00 WrapperNode [2022-03-20 07:28:00,897 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-20 07:28:00,898 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-20 07:28:00,898 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-20 07:28:00,898 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-20 07:28:00,916 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 07:28:00" (1/1) ... [2022-03-20 07:28:00,916 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 07:28:00" (1/1) ... [2022-03-20 07:28:00,926 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 07:28:00" (1/1) ... [2022-03-20 07:28:00,926 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 07:28:00" (1/1) ... [2022-03-20 07:28:00,935 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 07:28:00" (1/1) ... [2022-03-20 07:28:00,945 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 07:28:00" (1/1) ... [2022-03-20 07:28:00,946 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 07:28:00" (1/1) ... [2022-03-20 07:28:00,949 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-20 07:28:00,950 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-20 07:28:00,950 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-20 07:28:00,950 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-20 07:28:00,951 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 07:28:00" (1/1) ... [2022-03-20 07:28:00,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-20 07:28:00,989 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 07:28:01,000 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-20 07:28:01,030 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-20 07:28:01,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-03-20 07:28:01,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-20 07:28:01,048 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-03-20 07:28:01,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_connect [2022-03-20 07:28:01,049 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-03-20 07:28:01,049 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-03-20 07:28:01,049 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-03-20 07:28:01,049 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-03-20 07:28:01,049 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-20 07:28:01,050 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2022-03-20 07:28:01,050 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-03-20 07:28:01,050 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2022-03-20 07:28:01,050 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_connect [2022-03-20 07:28:01,050 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-03-20 07:28:01,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-03-20 07:28:01,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-20 07:28:01,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-20 07:28:01,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-20 07:28:01,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-20 07:28:01,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-20 07:28:01,134 INFO L234 CfgBuilder]: Building ICFG [2022-03-20 07:28:01,135 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-20 07:28:01,207 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-03-20 07:28:01,501 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2022-03-20 07:28:01,502 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2022-03-20 07:28:01,504 INFO L275 CfgBuilder]: Performing block encoding [2022-03-20 07:28:01,510 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-20 07:28:01,510 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-03-20 07:28:01,511 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.03 07:28:01 BoogieIcfgContainer [2022-03-20 07:28:01,512 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-20 07:28:01,512 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-03-20 07:28:01,512 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-03-20 07:28:01,513 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-03-20 07:28:01,515 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.03 07:28:01" (1/1) ... [2022-03-20 07:28:01,517 INFO L168 ansformationObserver]: Applying ICFG transformation LOOP_ACCELERATION_JORDAN [2022-03-20 07:28:01,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 20.03 07:28:01 BasicIcfg [2022-03-20 07:28:01,536 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-03-20 07:28:01,538 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-20 07:28:01,538 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-20 07:28:01,540 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-20 07:28:01,540 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.03 07:28:00" (1/4) ... [2022-03-20 07:28:01,541 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78fc8672 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.03 07:28:01, skipping insertion in model container [2022-03-20 07:28:01,541 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 07:28:00" (2/4) ... [2022-03-20 07:28:01,541 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78fc8672 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.03 07:28:01, skipping insertion in model container [2022-03-20 07:28:01,541 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.03 07:28:01" (3/4) ... [2022-03-20 07:28:01,541 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78fc8672 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.03 07:28:01, skipping insertion in model container [2022-03-20 07:28:01,541 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 20.03 07:28:01" (4/4) ... [2022-03-20 07:28:01,542 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_clnt_4.cil-1.cJordan [2022-03-20 07:28:01,545 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2022-03-20 07:28:01,546 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-20 07:28:01,575 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-20 07:28:01,580 INFO L340 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=ForwardPredicates, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP [2022-03-20 07:28:01,580 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-03-20 07:28:01,591 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) [2022-03-20 07:28:01,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-03-20 07:28:01,598 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:28:01,598 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:28:01,599 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:28:01,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:28:01,603 INFO L85 PathProgramCache]: Analyzing trace with hash -1413612036, now seen corresponding path program 1 times [2022-03-20 07:28:01,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:28:01,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692356158] [2022-03-20 07:28:01,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:28:01,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:28:01,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:28:01,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:28:01,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:28:01,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-20 07:28:01,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:28:01,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692356158] [2022-03-20 07:28:01,777 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1692356158] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:28:01,777 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:28:01,777 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 07:28:01,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785627136] [2022-03-20 07:28:01,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:28:01,781 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 07:28:01,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:28:01,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 07:28:01,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 07:28:01,801 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) [2022-03-20 07:28:02,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:28:02,036 INFO L93 Difference]: Finished difference Result 252 states and 412 transitions. [2022-03-20 07:28:02,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 07:28:02,038 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2022-03-20 07:28:02,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:28:02,052 INFO L225 Difference]: With dead ends: 252 [2022-03-20 07:28:02,053 INFO L226 Difference]: Without dead ends: 219 [2022-03-20 07:28:02,054 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:28:02,056 INFO L913 BasicCegarLoop]: 215 mSDtfsCounter, 578 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 580 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-20 07:28:02,057 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [580 Valid, 224 Invalid, 223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-20 07:28:02,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2022-03-20 07:28:02,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 219. [2022-03-20 07:28:02,088 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) [2022-03-20 07:28:02,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 323 transitions. [2022-03-20 07:28:02,091 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 323 transitions. Word has length 30 [2022-03-20 07:28:02,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:28:02,091 INFO L478 AbstractCegarLoop]: Abstraction has 219 states and 323 transitions. [2022-03-20 07:28:02,091 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:28:02,091 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 323 transitions. [2022-03-20 07:28:02,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-03-20 07:28:02,093 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:28:02,093 INFO L499 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:28:02,093 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-20 07:28:02,093 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:28:02,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:28:02,094 INFO L85 PathProgramCache]: Analyzing trace with hash 1163877785, now seen corresponding path program 1 times [2022-03-20 07:28:02,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:28:02,094 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469933901] [2022-03-20 07:28:02,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:28:02,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:28:02,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:28:02,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:28:02,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:28:02,157 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-20 07:28:02,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:28:02,157 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469933901] [2022-03-20 07:28:02,157 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [469933901] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:28:02,157 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:28:02,157 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 07:28:02,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215405167] [2022-03-20 07:28:02,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:28:02,159 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 07:28:02,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:28:02,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 07:28:02,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 07:28:02,159 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) [2022-03-20 07:28:02,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:28:02,322 INFO L93 Difference]: Finished difference Result 244 states and 356 transitions. [2022-03-20 07:28:02,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 07:28:02,322 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 44 [2022-03-20 07:28:02,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:28:02,323 INFO L225 Difference]: With dead ends: 244 [2022-03-20 07:28:02,323 INFO L226 Difference]: Without dead ends: 244 [2022-03-20 07:28:02,324 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:28:02,325 INFO L913 BasicCegarLoop]: 186 mSDtfsCounter, 189 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-20 07:28:02,325 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [189 Valid, 193 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-20 07:28:02,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2022-03-20 07:28:02,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 236. [2022-03-20 07:28:02,333 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) [2022-03-20 07:28:02,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 345 transitions. [2022-03-20 07:28:02,335 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 345 transitions. Word has length 44 [2022-03-20 07:28:02,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:28:02,335 INFO L478 AbstractCegarLoop]: Abstraction has 236 states and 345 transitions. [2022-03-20 07:28:02,335 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:28:02,335 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 345 transitions. [2022-03-20 07:28:02,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-03-20 07:28:02,337 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:28:02,337 INFO L499 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:28:02,337 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-20 07:28:02,337 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:28:02,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:28:02,338 INFO L85 PathProgramCache]: Analyzing trace with hash 10851448, now seen corresponding path program 1 times [2022-03-20 07:28:02,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:28:02,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51859439] [2022-03-20 07:28:02,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:28:02,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:28:02,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:28:02,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:28:02,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:28:02,392 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-20 07:28:02,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:28:02,392 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51859439] [2022-03-20 07:28:02,392 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [51859439] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:28:02,393 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:28:02,393 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 07:28:02,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485241923] [2022-03-20 07:28:02,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:28:02,393 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 07:28:02,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:28:02,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 07:28:02,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 07:28:02,394 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) [2022-03-20 07:28:02,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:28:02,546 INFO L93 Difference]: Finished difference Result 257 states and 372 transitions. [2022-03-20 07:28:02,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 07:28:02,547 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 61 [2022-03-20 07:28:02,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:28:02,548 INFO L225 Difference]: With dead ends: 257 [2022-03-20 07:28:02,548 INFO L226 Difference]: Without dead ends: 257 [2022-03-20 07:28:02,548 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:28:02,549 INFO L913 BasicCegarLoop]: 197 mSDtfsCounter, 183 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-20 07:28:02,549 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [183 Valid, 204 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-20 07:28:02,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2022-03-20 07:28:02,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 257. [2022-03-20 07:28:02,556 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) [2022-03-20 07:28:02,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 372 transitions. [2022-03-20 07:28:02,556 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 372 transitions. Word has length 61 [2022-03-20 07:28:02,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:28:02,557 INFO L478 AbstractCegarLoop]: Abstraction has 257 states and 372 transitions. [2022-03-20 07:28:02,557 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:28:02,557 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 372 transitions. [2022-03-20 07:28:02,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-03-20 07:28:02,558 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:28:02,559 INFO L499 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:28:02,559 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-20 07:28:02,559 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:28:02,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:28:02,559 INFO L85 PathProgramCache]: Analyzing trace with hash 2088060791, now seen corresponding path program 1 times [2022-03-20 07:28:02,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:28:02,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396064236] [2022-03-20 07:28:02,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:28:02,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:28:02,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:28:02,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:28:02,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:28:02,619 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-20 07:28:02,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:28:02,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396064236] [2022-03-20 07:28:02,620 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396064236] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:28:02,620 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:28:02,620 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 07:28:02,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376276415] [2022-03-20 07:28:02,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:28:02,621 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 07:28:02,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:28:02,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 07:28:02,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 07:28:02,621 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) [2022-03-20 07:28:02,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:28:02,828 INFO L93 Difference]: Finished difference Result 359 states and 496 transitions. [2022-03-20 07:28:02,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 07:28:02,828 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 61 [2022-03-20 07:28:02,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:28:02,830 INFO L225 Difference]: With dead ends: 359 [2022-03-20 07:28:02,830 INFO L226 Difference]: Without dead ends: 357 [2022-03-20 07:28:02,830 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:28:02,831 INFO L913 BasicCegarLoop]: 197 mSDtfsCounter, 209 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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 [2022-03-20 07:28:02,831 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [209 Valid, 204 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-20 07:28:02,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2022-03-20 07:28:02,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 339. [2022-03-20 07:28:02,837 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) [2022-03-20 07:28:02,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 472 transitions. [2022-03-20 07:28:02,838 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 472 transitions. Word has length 61 [2022-03-20 07:28:02,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:28:02,839 INFO L478 AbstractCegarLoop]: Abstraction has 339 states and 472 transitions. [2022-03-20 07:28:02,839 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:28:02,839 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 472 transitions. [2022-03-20 07:28:02,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-03-20 07:28:02,840 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:28:02,840 INFO L499 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:28:02,841 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-20 07:28:02,841 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:28:02,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:28:02,841 INFO L85 PathProgramCache]: Analyzing trace with hash -962142024, now seen corresponding path program 1 times [2022-03-20 07:28:02,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:28:02,841 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840790738] [2022-03-20 07:28:02,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:28:02,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:28:02,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:28:02,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:28:02,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:28:02,914 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-20 07:28:02,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:28:02,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840790738] [2022-03-20 07:28:02,915 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840790738] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:28:02,915 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:28:02,915 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 07:28:02,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211667274] [2022-03-20 07:28:02,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:28:02,916 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 07:28:02,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:28:02,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 07:28:02,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 07:28:02,916 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) [2022-03-20 07:28:03,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:28:03,094 INFO L93 Difference]: Finished difference Result 389 states and 536 transitions. [2022-03-20 07:28:03,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 07:28:03,094 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 61 [2022-03-20 07:28:03,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:28:03,096 INFO L225 Difference]: With dead ends: 389 [2022-03-20 07:28:03,096 INFO L226 Difference]: Without dead ends: 389 [2022-03-20 07:28:03,096 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:28:03,097 INFO L913 BasicCegarLoop]: 187 mSDtfsCounter, 195 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-20 07:28:03,097 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [195 Valid, 194 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-20 07:28:03,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2022-03-20 07:28:03,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 377. [2022-03-20 07:28:03,102 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) [2022-03-20 07:28:03,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 520 transitions. [2022-03-20 07:28:03,103 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 520 transitions. Word has length 61 [2022-03-20 07:28:03,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:28:03,104 INFO L478 AbstractCegarLoop]: Abstraction has 377 states and 520 transitions. [2022-03-20 07:28:03,104 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:28:03,104 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 520 transitions. [2022-03-20 07:28:03,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-03-20 07:28:03,105 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:28:03,105 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:28:03,105 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-20 07:28:03,105 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:28:03,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:28:03,106 INFO L85 PathProgramCache]: Analyzing trace with hash -2121066996, now seen corresponding path program 1 times [2022-03-20 07:28:03,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:28:03,106 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317846949] [2022-03-20 07:28:03,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:28:03,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:28:03,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:28:03,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:28:03,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:28:03,165 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-20 07:28:03,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:28:03,166 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317846949] [2022-03-20 07:28:03,166 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1317846949] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:28:03,166 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:28:03,166 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 07:28:03,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621816757] [2022-03-20 07:28:03,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:28:03,167 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 07:28:03,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:28:03,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 07:28:03,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 07:28:03,168 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) [2022-03-20 07:28:03,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:28:03,334 INFO L93 Difference]: Finished difference Result 483 states and 688 transitions. [2022-03-20 07:28:03,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 07:28:03,335 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 74 [2022-03-20 07:28:03,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:28:03,337 INFO L225 Difference]: With dead ends: 483 [2022-03-20 07:28:03,337 INFO L226 Difference]: Without dead ends: 481 [2022-03-20 07:28:03,337 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:28:03,340 INFO L913 BasicCegarLoop]: 174 mSDtfsCounter, 295 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 295 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-20 07:28:03,343 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [295 Valid, 181 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-20 07:28:03,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2022-03-20 07:28:03,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 455. [2022-03-20 07:28:03,353 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) [2022-03-20 07:28:03,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 654 transitions. [2022-03-20 07:28:03,354 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 654 transitions. Word has length 74 [2022-03-20 07:28:03,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:28:03,355 INFO L478 AbstractCegarLoop]: Abstraction has 455 states and 654 transitions. [2022-03-20 07:28:03,355 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:28:03,355 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 654 transitions. [2022-03-20 07:28:03,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-03-20 07:28:03,356 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:28:03,356 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:28:03,357 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-03-20 07:28:03,357 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:28:03,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:28:03,357 INFO L85 PathProgramCache]: Analyzing trace with hash -1564650695, now seen corresponding path program 1 times [2022-03-20 07:28:03,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:28:03,358 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330052145] [2022-03-20 07:28:03,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:28:03,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:28:03,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:28:03,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:28:03,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:28:03,396 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-03-20 07:28:03,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:28:03,396 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330052145] [2022-03-20 07:28:03,396 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330052145] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:28:03,396 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:28:03,396 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 07:28:03,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307436133] [2022-03-20 07:28:03,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:28:03,397 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 07:28:03,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:28:03,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 07:28:03,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 07:28:03,398 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) [2022-03-20 07:28:03,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:28:03,541 INFO L93 Difference]: Finished difference Result 503 states and 713 transitions. [2022-03-20 07:28:03,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 07:28:03,542 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 [2022-03-20 07:28:03,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:28:03,543 INFO L225 Difference]: With dead ends: 503 [2022-03-20 07:28:03,543 INFO L226 Difference]: Without dead ends: 503 [2022-03-20 07:28:03,544 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:28:03,544 INFO L913 BasicCegarLoop]: 186 mSDtfsCounter, 185 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-20 07:28:03,544 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [185 Valid, 193 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-20 07:28:03,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 503 states. [2022-03-20 07:28:03,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 503 to 497. [2022-03-20 07:28:03,550 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) [2022-03-20 07:28:03,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 497 states and 706 transitions. [2022-03-20 07:28:03,552 INFO L78 Accepts]: Start accepts. Automaton has 497 states and 706 transitions. Word has length 78 [2022-03-20 07:28:03,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:28:03,553 INFO L478 AbstractCegarLoop]: Abstraction has 497 states and 706 transitions. [2022-03-20 07:28:03,553 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) [2022-03-20 07:28:03,553 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 706 transitions. [2022-03-20 07:28:03,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-03-20 07:28:03,556 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:28:03,556 INFO L499 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:28:03,556 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-03-20 07:28:03,556 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:28:03,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:28:03,557 INFO L85 PathProgramCache]: Analyzing trace with hash -540847427, now seen corresponding path program 1 times [2022-03-20 07:28:03,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:28:03,557 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138045813] [2022-03-20 07:28:03,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:28:03,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:28:03,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:28:03,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:28:03,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:28:03,626 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-03-20 07:28:03,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:28:03,626 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138045813] [2022-03-20 07:28:03,626 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138045813] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:28:03,627 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:28:03,627 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 07:28:03,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934025594] [2022-03-20 07:28:03,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:28:03,627 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 07:28:03,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:28:03,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 07:28:03,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 07:28:03,628 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) [2022-03-20 07:28:03,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:28:03,790 INFO L93 Difference]: Finished difference Result 735 states and 1044 transitions. [2022-03-20 07:28:03,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 07:28:03,790 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 [2022-03-20 07:28:03,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:28:03,792 INFO L225 Difference]: With dead ends: 735 [2022-03-20 07:28:03,792 INFO L226 Difference]: Without dead ends: 735 [2022-03-20 07:28:03,793 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:28:03,794 INFO L913 BasicCegarLoop]: 317 mSDtfsCounter, 294 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 294 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-20 07:28:03,794 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [294 Valid, 324 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-20 07:28:03,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 735 states. [2022-03-20 07:28:03,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 735 to 735. [2022-03-20 07:28:03,805 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) [2022-03-20 07:28:03,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 735 states and 1044 transitions. [2022-03-20 07:28:03,807 INFO L78 Accepts]: Start accepts. Automaton has 735 states and 1044 transitions. Word has length 98 [2022-03-20 07:28:03,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:28:03,807 INFO L478 AbstractCegarLoop]: Abstraction has 735 states and 1044 transitions. [2022-03-20 07:28:03,807 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) [2022-03-20 07:28:03,807 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 1044 transitions. [2022-03-20 07:28:03,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-03-20 07:28:03,810 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:28:03,810 INFO L499 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:28:03,810 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-03-20 07:28:03,811 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:28:03,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:28:03,811 INFO L85 PathProgramCache]: Analyzing trace with hash -700282458, now seen corresponding path program 1 times [2022-03-20 07:28:03,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:28:03,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985431820] [2022-03-20 07:28:03,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:28:03,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:28:03,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:28:03,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:28:03,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:28:03,871 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2022-03-20 07:28:03,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:28:03,872 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985431820] [2022-03-20 07:28:03,872 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985431820] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:28:03,872 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:28:03,872 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 07:28:03,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732363436] [2022-03-20 07:28:03,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:28:03,875 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 07:28:03,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:28:03,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 07:28:03,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 07:28:03,876 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) [2022-03-20 07:28:04,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:28:04,009 INFO L93 Difference]: Finished difference Result 975 states and 1389 transitions. [2022-03-20 07:28:04,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 07:28:04,010 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 [2022-03-20 07:28:04,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:28:04,012 INFO L225 Difference]: With dead ends: 975 [2022-03-20 07:28:04,013 INFO L226 Difference]: Without dead ends: 975 [2022-03-20 07:28:04,013 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:28:04,015 INFO L913 BasicCegarLoop]: 164 mSDtfsCounter, 459 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 459 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-20 07:28:04,015 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [459 Valid, 171 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-20 07:28:04,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 975 states. [2022-03-20 07:28:04,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 975 to 975. [2022-03-20 07:28:04,025 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) [2022-03-20 07:28:04,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 975 states to 975 states and 1389 transitions. [2022-03-20 07:28:04,028 INFO L78 Accepts]: Start accepts. Automaton has 975 states and 1389 transitions. Word has length 100 [2022-03-20 07:28:04,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:28:04,028 INFO L478 AbstractCegarLoop]: Abstraction has 975 states and 1389 transitions. [2022-03-20 07:28:04,028 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) [2022-03-20 07:28:04,028 INFO L276 IsEmpty]: Start isEmpty. Operand 975 states and 1389 transitions. [2022-03-20 07:28:04,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-03-20 07:28:04,030 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:28:04,030 INFO L499 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:28:04,030 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-03-20 07:28:04,030 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:28:04,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:28:04,031 INFO L85 PathProgramCache]: Analyzing trace with hash -1475386212, now seen corresponding path program 1 times [2022-03-20 07:28:04,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:28:04,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054022450] [2022-03-20 07:28:04,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:28:04,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:28:04,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:28:04,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:28:04,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:28:04,105 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2022-03-20 07:28:04,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:28:04,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054022450] [2022-03-20 07:28:04,105 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054022450] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:28:04,105 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:28:04,106 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 07:28:04,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587250311] [2022-03-20 07:28:04,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:28:04,106 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 07:28:04,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:28:04,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 07:28:04,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 07:28:04,107 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) [2022-03-20 07:28:04,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:28:04,254 INFO L93 Difference]: Finished difference Result 1179 states and 1685 transitions. [2022-03-20 07:28:04,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 07:28:04,255 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 [2022-03-20 07:28:04,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:28:04,258 INFO L225 Difference]: With dead ends: 1179 [2022-03-20 07:28:04,258 INFO L226 Difference]: Without dead ends: 1171 [2022-03-20 07:28:04,258 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:28:04,259 INFO L913 BasicCegarLoop]: 197 mSDtfsCounter, 234 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 234 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-20 07:28:04,260 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [234 Valid, 204 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-20 07:28:04,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1171 states. [2022-03-20 07:28:04,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1171 to 1131. [2022-03-20 07:28:04,271 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) [2022-03-20 07:28:04,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1131 states to 1131 states and 1629 transitions. [2022-03-20 07:28:04,275 INFO L78 Accepts]: Start accepts. Automaton has 1131 states and 1629 transitions. Word has length 140 [2022-03-20 07:28:04,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:28:04,276 INFO L478 AbstractCegarLoop]: Abstraction has 1131 states and 1629 transitions. [2022-03-20 07:28:04,276 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) [2022-03-20 07:28:04,276 INFO L276 IsEmpty]: Start isEmpty. Operand 1131 states and 1629 transitions. [2022-03-20 07:28:04,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2022-03-20 07:28:04,278 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:28:04,278 INFO L499 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:28:04,278 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-03-20 07:28:04,279 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:28:04,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:28:04,279 INFO L85 PathProgramCache]: Analyzing trace with hash 1543242522, now seen corresponding path program 1 times [2022-03-20 07:28:04,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:28:04,279 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306457501] [2022-03-20 07:28:04,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:28:04,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:28:04,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:28:04,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:28:04,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:28:04,337 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 255 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2022-03-20 07:28:04,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:28:04,338 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306457501] [2022-03-20 07:28:04,338 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306457501] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:28:04,338 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:28:04,338 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 07:28:04,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378982622] [2022-03-20 07:28:04,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:28:04,339 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 07:28:04,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:28:04,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 07:28:04,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 07:28:04,340 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) [2022-03-20 07:28:04,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:28:04,512 INFO L93 Difference]: Finished difference Result 1237 states and 1755 transitions. [2022-03-20 07:28:04,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 07:28:04,512 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 [2022-03-20 07:28:04,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:28:04,517 INFO L225 Difference]: With dead ends: 1237 [2022-03-20 07:28:04,517 INFO L226 Difference]: Without dead ends: 1237 [2022-03-20 07:28:04,517 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:28:04,518 INFO L913 BasicCegarLoop]: 186 mSDtfsCounter, 187 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-20 07:28:04,518 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [187 Valid, 193 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-20 07:28:04,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1237 states. [2022-03-20 07:28:04,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1237 to 1223. [2022-03-20 07:28:04,534 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) [2022-03-20 07:28:04,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1223 states to 1223 states and 1741 transitions. [2022-03-20 07:28:04,538 INFO L78 Accepts]: Start accepts. Automaton has 1223 states and 1741 transitions. Word has length 176 [2022-03-20 07:28:04,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:28:04,538 INFO L478 AbstractCegarLoop]: Abstraction has 1223 states and 1741 transitions. [2022-03-20 07:28:04,539 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) [2022-03-20 07:28:04,539 INFO L276 IsEmpty]: Start isEmpty. Operand 1223 states and 1741 transitions. [2022-03-20 07:28:04,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2022-03-20 07:28:04,542 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:28:04,542 INFO L499 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:28:04,542 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-03-20 07:28:04,542 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:28:04,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:28:04,546 INFO L85 PathProgramCache]: Analyzing trace with hash 1697427602, now seen corresponding path program 1 times [2022-03-20 07:28:04,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:28:04,546 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925790696] [2022-03-20 07:28:04,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:28:04,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:28:04,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:28:04,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:28:04,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:28:04,595 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 323 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2022-03-20 07:28:04,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:28:04,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925790696] [2022-03-20 07:28:04,596 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1925790696] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:28:04,596 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:28:04,596 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 07:28:04,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722282535] [2022-03-20 07:28:04,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:28:04,596 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 07:28:04,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:28:04,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 07:28:04,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 07:28:04,597 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) [2022-03-20 07:28:04,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:28:04,746 INFO L93 Difference]: Finished difference Result 1335 states and 1877 transitions. [2022-03-20 07:28:04,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 07:28:04,747 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 [2022-03-20 07:28:04,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:28:04,751 INFO L225 Difference]: With dead ends: 1335 [2022-03-20 07:28:04,752 INFO L226 Difference]: Without dead ends: 1335 [2022-03-20 07:28:04,752 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:28:04,752 INFO L913 BasicCegarLoop]: 186 mSDtfsCounter, 184 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-20 07:28:04,753 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [184 Valid, 193 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-20 07:28:04,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1335 states. [2022-03-20 07:28:04,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1335 to 1323. [2022-03-20 07:28:04,770 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) [2022-03-20 07:28:04,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1323 states to 1323 states and 1861 transitions. [2022-03-20 07:28:04,774 INFO L78 Accepts]: Start accepts. Automaton has 1323 states and 1861 transitions. Word has length 197 [2022-03-20 07:28:04,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:28:04,774 INFO L478 AbstractCegarLoop]: Abstraction has 1323 states and 1861 transitions. [2022-03-20 07:28:04,774 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) [2022-03-20 07:28:04,775 INFO L276 IsEmpty]: Start isEmpty. Operand 1323 states and 1861 transitions. [2022-03-20 07:28:04,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2022-03-20 07:28:04,778 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:28:04,778 INFO L499 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:28:04,778 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-03-20 07:28:04,778 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:28:04,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:28:04,779 INFO L85 PathProgramCache]: Analyzing trace with hash 413683819, now seen corresponding path program 1 times [2022-03-20 07:28:04,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:28:04,779 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839789605] [2022-03-20 07:28:04,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:28:04,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:28:04,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:28:04,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:28:04,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:28:04,830 INFO L134 CoverageAnalysis]: Checked inductivity of 615 backedges. 391 proven. 0 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2022-03-20 07:28:04,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:28:04,831 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839789605] [2022-03-20 07:28:04,831 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839789605] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:28:04,831 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:28:04,831 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 07:28:04,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843955972] [2022-03-20 07:28:04,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:28:04,832 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 07:28:04,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:28:04,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 07:28:04,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 07:28:04,832 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) [2022-03-20 07:28:04,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:28:04,979 INFO L93 Difference]: Finished difference Result 1443 states and 2001 transitions. [2022-03-20 07:28:04,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 07:28:04,980 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 [2022-03-20 07:28:04,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:28:04,984 INFO L225 Difference]: With dead ends: 1443 [2022-03-20 07:28:04,984 INFO L226 Difference]: Without dead ends: 1443 [2022-03-20 07:28:04,984 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:28:04,985 INFO L913 BasicCegarLoop]: 186 mSDtfsCounter, 182 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-20 07:28:04,985 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [182 Valid, 193 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-20 07:28:04,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1443 states. [2022-03-20 07:28:04,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1443 to 1435. [2022-03-20 07:28:04,999 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) [2022-03-20 07:28:05,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1435 states to 1435 states and 1993 transitions. [2022-03-20 07:28:05,002 INFO L78 Accepts]: Start accepts. Automaton has 1435 states and 1993 transitions. Word has length 221 [2022-03-20 07:28:05,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:28:05,003 INFO L478 AbstractCegarLoop]: Abstraction has 1435 states and 1993 transitions. [2022-03-20 07:28:05,004 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.5) internal successors, (126), 3 states have internal predecessors, (126), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:28:05,004 INFO L276 IsEmpty]: Start isEmpty. Operand 1435 states and 1993 transitions. [2022-03-20 07:28:05,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2022-03-20 07:28:05,008 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:28:05,008 INFO L499 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:28:05,009 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-03-20 07:28:05,010 INFO L403 AbstractCegarLoop]: === Iteration 14 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:28:05,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:28:05,010 INFO L85 PathProgramCache]: Analyzing trace with hash 929204268, now seen corresponding path program 1 times [2022-03-20 07:28:05,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:28:05,010 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821725388] [2022-03-20 07:28:05,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:28:05,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:28:05,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:28:05,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:28:05,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:28:05,071 INFO L134 CoverageAnalysis]: Checked inductivity of 615 backedges. 391 proven. 0 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2022-03-20 07:28:05,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:28:05,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821725388] [2022-03-20 07:28:05,072 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821725388] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:28:05,072 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:28:05,072 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 07:28:05,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157496949] [2022-03-20 07:28:05,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:28:05,073 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 07:28:05,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:28:05,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 07:28:05,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 07:28:05,074 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) [2022-03-20 07:28:05,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:28:05,230 INFO L93 Difference]: Finished difference Result 1571 states and 2153 transitions. [2022-03-20 07:28:05,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 07:28:05,231 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 [2022-03-20 07:28:05,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:28:05,236 INFO L225 Difference]: With dead ends: 1571 [2022-03-20 07:28:05,236 INFO L226 Difference]: Without dead ends: 1571 [2022-03-20 07:28:05,236 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:28:05,236 INFO L913 BasicCegarLoop]: 187 mSDtfsCounter, 184 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-20 07:28:05,237 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [184 Valid, 194 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-20 07:28:05,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1571 states. [2022-03-20 07:28:05,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1571 to 1559. [2022-03-20 07:28:05,259 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) [2022-03-20 07:28:05,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1559 states to 1559 states and 2137 transitions. [2022-03-20 07:28:05,262 INFO L78 Accepts]: Start accepts. Automaton has 1559 states and 2137 transitions. Word has length 221 [2022-03-20 07:28:05,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:28:05,263 INFO L478 AbstractCegarLoop]: Abstraction has 1559 states and 2137 transitions. [2022-03-20 07:28:05,263 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.5) internal successors, (126), 3 states have internal predecessors, (126), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:28:05,263 INFO L276 IsEmpty]: Start isEmpty. Operand 1559 states and 2137 transitions. [2022-03-20 07:28:05,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2022-03-20 07:28:05,266 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:28:05,266 INFO L499 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 9, 9, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:28:05,266 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-03-20 07:28:05,266 INFO L403 AbstractCegarLoop]: === Iteration 15 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:28:05,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:28:05,266 INFO L85 PathProgramCache]: Analyzing trace with hash 1406706202, now seen corresponding path program 1 times [2022-03-20 07:28:05,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:28:05,267 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495389181] [2022-03-20 07:28:05,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:28:05,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:28:05,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:28:05,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:28:05,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:28:05,320 INFO L134 CoverageAnalysis]: Checked inductivity of 777 backedges. 505 proven. 0 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2022-03-20 07:28:05,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:28:05,321 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495389181] [2022-03-20 07:28:05,321 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [495389181] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:28:05,321 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:28:05,321 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 07:28:05,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254602393] [2022-03-20 07:28:05,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:28:05,321 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 07:28:05,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:28:05,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 07:28:05,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 07:28:05,322 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) [2022-03-20 07:28:05,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:28:05,453 INFO L93 Difference]: Finished difference Result 3101 states and 4249 transitions. [2022-03-20 07:28:05,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 07:28:05,454 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 [2022-03-20 07:28:05,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:28:05,462 INFO L225 Difference]: With dead ends: 3101 [2022-03-20 07:28:05,462 INFO L226 Difference]: Without dead ends: 3101 [2022-03-20 07:28:05,464 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:28:05,465 INFO L913 BasicCegarLoop]: 326 mSDtfsCounter, 299 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 299 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-20 07:28:05,465 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [299 Valid, 333 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-20 07:28:05,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3101 states. [2022-03-20 07:28:05,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3101 to 3099. [2022-03-20 07:28:05,507 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) [2022-03-20 07:28:05,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3099 states to 3099 states and 4248 transitions. [2022-03-20 07:28:05,514 INFO L78 Accepts]: Start accepts. Automaton has 3099 states and 4248 transitions. Word has length 251 [2022-03-20 07:28:05,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:28:05,515 INFO L478 AbstractCegarLoop]: Abstraction has 3099 states and 4248 transitions. [2022-03-20 07:28:05,515 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) [2022-03-20 07:28:05,515 INFO L276 IsEmpty]: Start isEmpty. Operand 3099 states and 4248 transitions. [2022-03-20 07:28:05,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2022-03-20 07:28:05,519 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:28:05,519 INFO L499 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 9, 9, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:28:05,519 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-03-20 07:28:05,520 INFO L403 AbstractCegarLoop]: === Iteration 16 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:28:05,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:28:05,520 INFO L85 PathProgramCache]: Analyzing trace with hash 1922226651, now seen corresponding path program 1 times [2022-03-20 07:28:05,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:28:05,521 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964922578] [2022-03-20 07:28:05,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:28:05,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:28:05,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:28:05,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:28:05,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:28:05,573 INFO L134 CoverageAnalysis]: Checked inductivity of 777 backedges. 465 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2022-03-20 07:28:05,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:28:05,574 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964922578] [2022-03-20 07:28:05,575 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964922578] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:28:05,575 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:28:05,575 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 07:28:05,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646248700] [2022-03-20 07:28:05,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:28:05,576 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 07:28:05,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:28:05,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 07:28:05,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 07:28:05,576 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) [2022-03-20 07:28:05,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:28:05,751 INFO L93 Difference]: Finished difference Result 3399 states and 4588 transitions. [2022-03-20 07:28:05,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 07:28:05,751 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 [2022-03-20 07:28:05,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:28:05,760 INFO L225 Difference]: With dead ends: 3399 [2022-03-20 07:28:05,760 INFO L226 Difference]: Without dead ends: 3399 [2022-03-20 07:28:05,760 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:28:05,761 INFO L913 BasicCegarLoop]: 187 mSDtfsCounter, 183 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-20 07:28:05,761 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [183 Valid, 194 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-20 07:28:05,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3399 states. [2022-03-20 07:28:05,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3399 to 3383. [2022-03-20 07:28:05,810 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) [2022-03-20 07:28:05,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3383 states to 3383 states and 4572 transitions. [2022-03-20 07:28:05,817 INFO L78 Accepts]: Start accepts. Automaton has 3383 states and 4572 transitions. Word has length 251 [2022-03-20 07:28:05,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:28:05,817 INFO L478 AbstractCegarLoop]: Abstraction has 3383 states and 4572 transitions. [2022-03-20 07:28:05,817 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) [2022-03-20 07:28:05,818 INFO L276 IsEmpty]: Start isEmpty. Operand 3383 states and 4572 transitions. [2022-03-20 07:28:05,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2022-03-20 07:28:05,824 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:28:05,824 INFO L499 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 10, 10, 8, 8, 6, 6, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:28:05,824 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-03-20 07:28:05,824 INFO L403 AbstractCegarLoop]: === Iteration 17 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:28:05,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:28:05,825 INFO L85 PathProgramCache]: Analyzing trace with hash 1671940338, now seen corresponding path program 1 times [2022-03-20 07:28:05,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:28:05,825 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533144178] [2022-03-20 07:28:05,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:28:05,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:28:05,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:28:05,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:28:05,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:28:05,874 INFO L134 CoverageAnalysis]: Checked inductivity of 957 backedges. 535 proven. 0 refuted. 0 times theorem prover too weak. 422 trivial. 0 not checked. [2022-03-20 07:28:05,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:28:05,874 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533144178] [2022-03-20 07:28:05,874 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533144178] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:28:05,874 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:28:05,875 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 07:28:05,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479262530] [2022-03-20 07:28:05,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:28:05,875 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 07:28:05,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:28:05,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 07:28:05,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 07:28:05,876 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) [2022-03-20 07:28:06,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:28:06,042 INFO L93 Difference]: Finished difference Result 3531 states and 4740 transitions. [2022-03-20 07:28:06,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 07:28:06,042 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 [2022-03-20 07:28:06,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:28:06,051 INFO L225 Difference]: With dead ends: 3531 [2022-03-20 07:28:06,052 INFO L226 Difference]: Without dead ends: 3531 [2022-03-20 07:28:06,052 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:28:06,053 INFO L913 BasicCegarLoop]: 186 mSDtfsCounter, 182 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-20 07:28:06,053 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [182 Valid, 193 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-20 07:28:06,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3531 states. [2022-03-20 07:28:06,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3531 to 3515. [2022-03-20 07:28:06,098 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) [2022-03-20 07:28:06,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3515 states to 3515 states and 4724 transitions. [2022-03-20 07:28:06,104 INFO L78 Accepts]: Start accepts. Automaton has 3515 states and 4724 transitions. Word has length 275 [2022-03-20 07:28:06,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:28:06,105 INFO L478 AbstractCegarLoop]: Abstraction has 3515 states and 4724 transitions. [2022-03-20 07:28:06,105 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) [2022-03-20 07:28:06,105 INFO L276 IsEmpty]: Start isEmpty. Operand 3515 states and 4724 transitions. [2022-03-20 07:28:06,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2022-03-20 07:28:06,110 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:28:06,111 INFO L499 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 10, 10, 8, 8, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:28:06,111 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-03-20 07:28:06,111 INFO L403 AbstractCegarLoop]: === Iteration 18 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:28:06,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:28:06,112 INFO L85 PathProgramCache]: Analyzing trace with hash -950820203, now seen corresponding path program 1 times [2022-03-20 07:28:06,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:28:06,112 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971617508] [2022-03-20 07:28:06,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:28:06,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:28:06,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:28:06,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:28:06,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:28:06,182 INFO L134 CoverageAnalysis]: Checked inductivity of 969 backedges. 427 proven. 0 refuted. 0 times theorem prover too weak. 542 trivial. 0 not checked. [2022-03-20 07:28:06,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:28:06,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971617508] [2022-03-20 07:28:06,183 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1971617508] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:28:06,183 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:28:06,183 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 07:28:06,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986497269] [2022-03-20 07:28:06,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:28:06,183 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 07:28:06,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:28:06,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 07:28:06,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 07:28:06,184 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) [2022-03-20 07:28:06,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:28:06,355 INFO L93 Difference]: Finished difference Result 3915 states and 5196 transitions. [2022-03-20 07:28:06,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 07:28:06,355 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 [2022-03-20 07:28:06,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:28:06,366 INFO L225 Difference]: With dead ends: 3915 [2022-03-20 07:28:06,366 INFO L226 Difference]: Without dead ends: 3915 [2022-03-20 07:28:06,367 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:28:06,367 INFO L913 BasicCegarLoop]: 187 mSDtfsCounter, 228 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-20 07:28:06,368 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [228 Valid, 194 Invalid, 226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-20 07:28:06,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3915 states. [2022-03-20 07:28:06,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3915 to 3827. [2022-03-20 07:28:06,427 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) [2022-03-20 07:28:06,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3827 states to 3827 states and 5092 transitions. [2022-03-20 07:28:06,435 INFO L78 Accepts]: Start accepts. Automaton has 3827 states and 5092 transitions. Word has length 286 [2022-03-20 07:28:06,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:28:06,435 INFO L478 AbstractCegarLoop]: Abstraction has 3827 states and 5092 transitions. [2022-03-20 07:28:06,441 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) [2022-03-20 07:28:06,441 INFO L276 IsEmpty]: Start isEmpty. Operand 3827 states and 5092 transitions. [2022-03-20 07:28:06,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2022-03-20 07:28:06,447 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:28:06,447 INFO L499 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 12, 12, 12, 12, 12, 11, 11, 10, 10, 8, 8, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:28:06,447 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-03-20 07:28:06,447 INFO L403 AbstractCegarLoop]: === Iteration 19 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:28:06,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:28:06,447 INFO L85 PathProgramCache]: Analyzing trace with hash 2059706519, now seen corresponding path program 1 times [2022-03-20 07:28:06,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:28:06,448 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774420112] [2022-03-20 07:28:06,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:28:06,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:28:06,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:28:06,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:28:06,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:28:06,497 INFO L134 CoverageAnalysis]: Checked inductivity of 1051 backedges. 481 proven. 0 refuted. 0 times theorem prover too weak. 570 trivial. 0 not checked. [2022-03-20 07:28:06,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:28:06,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774420112] [2022-03-20 07:28:06,498 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1774420112] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:28:06,498 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:28:06,498 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 07:28:06,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281289210] [2022-03-20 07:28:06,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:28:06,499 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 07:28:06,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:28:06,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 07:28:06,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 07:28:06,500 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) [2022-03-20 07:28:06,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:28:06,638 INFO L93 Difference]: Finished difference Result 4235 states and 5540 transitions. [2022-03-20 07:28:06,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 07:28:06,639 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 [2022-03-20 07:28:06,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:28:06,660 INFO L225 Difference]: With dead ends: 4235 [2022-03-20 07:28:06,660 INFO L226 Difference]: Without dead ends: 4235 [2022-03-20 07:28:06,660 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:28:06,661 INFO L913 BasicCegarLoop]: 185 mSDtfsCounter, 279 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 279 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-20 07:28:06,661 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [279 Valid, 192 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-20 07:28:06,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4235 states. [2022-03-20 07:28:06,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4235 to 3947. [2022-03-20 07:28:06,720 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) [2022-03-20 07:28:06,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3947 states to 3947 states and 5236 transitions. [2022-03-20 07:28:06,727 INFO L78 Accepts]: Start accepts. Automaton has 3947 states and 5236 transitions. Word has length 300 [2022-03-20 07:28:06,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:28:06,727 INFO L478 AbstractCegarLoop]: Abstraction has 3947 states and 5236 transitions. [2022-03-20 07:28:06,727 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) [2022-03-20 07:28:06,727 INFO L276 IsEmpty]: Start isEmpty. Operand 3947 states and 5236 transitions. [2022-03-20 07:28:06,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2022-03-20 07:28:06,734 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:28:06,734 INFO L499 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 12, 12, 12, 12, 12, 11, 11, 10, 10, 8, 8, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:28:06,734 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-03-20 07:28:06,734 INFO L403 AbstractCegarLoop]: === Iteration 20 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:28:06,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:28:06,734 INFO L85 PathProgramCache]: Analyzing trace with hash 1555635516, now seen corresponding path program 1 times [2022-03-20 07:28:06,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:28:06,735 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428788742] [2022-03-20 07:28:06,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:28:06,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:28:06,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:28:06,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:28:06,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:28:06,798 INFO L134 CoverageAnalysis]: Checked inductivity of 1051 backedges. 600 proven. 0 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2022-03-20 07:28:06,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:28:06,798 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428788742] [2022-03-20 07:28:06,798 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428788742] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:28:06,798 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:28:06,798 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 07:28:06,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381387485] [2022-03-20 07:28:06,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:28:06,799 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 07:28:06,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:28:06,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 07:28:06,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 07:28:06,799 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) [2022-03-20 07:28:06,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:28:06,941 INFO L93 Difference]: Finished difference Result 7377 states and 9839 transitions. [2022-03-20 07:28:06,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 07:28:06,941 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 [2022-03-20 07:28:06,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:28:06,953 INFO L225 Difference]: With dead ends: 7377 [2022-03-20 07:28:06,953 INFO L226 Difference]: Without dead ends: 7377 [2022-03-20 07:28:06,954 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:28:06,954 INFO L913 BasicCegarLoop]: 318 mSDtfsCounter, 260 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 260 SdHoareTripleChecker+Valid, 325 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-20 07:28:06,955 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [260 Valid, 325 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-20 07:28:06,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7377 states. [2022-03-20 07:28:07,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7377 to 7375. [2022-03-20 07:28:07,036 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) [2022-03-20 07:28:07,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7375 states to 7375 states and 9838 transitions. [2022-03-20 07:28:07,048 INFO L78 Accepts]: Start accepts. Automaton has 7375 states and 9838 transitions. Word has length 301 [2022-03-20 07:28:07,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:28:07,049 INFO L478 AbstractCegarLoop]: Abstraction has 7375 states and 9838 transitions. [2022-03-20 07:28:07,049 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) [2022-03-20 07:28:07,049 INFO L276 IsEmpty]: Start isEmpty. Operand 7375 states and 9838 transitions. [2022-03-20 07:28:07,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2022-03-20 07:28:07,058 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:28:07,058 INFO L499 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 12, 12, 12, 12, 12, 11, 11, 10, 10, 8, 8, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:28:07,058 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-03-20 07:28:07,058 INFO L403 AbstractCegarLoop]: === Iteration 21 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:28:07,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:28:07,059 INFO L85 PathProgramCache]: Analyzing trace with hash -1382037614, now seen corresponding path program 1 times [2022-03-20 07:28:07,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:28:07,059 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230722749] [2022-03-20 07:28:07,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:28:07,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:28:07,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:28:07,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:28:07,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:28:07,148 INFO L134 CoverageAnalysis]: Checked inductivity of 1051 backedges. 604 proven. 0 refuted. 0 times theorem prover too weak. 447 trivial. 0 not checked. [2022-03-20 07:28:07,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:28:07,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230722749] [2022-03-20 07:28:07,148 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230722749] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:28:07,148 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:28:07,148 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 07:28:07,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915648208] [2022-03-20 07:28:07,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:28:07,149 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 07:28:07,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:28:07,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 07:28:07,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 07:28:07,150 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) [2022-03-20 07:28:07,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:28:07,315 INFO L93 Difference]: Finished difference Result 7383 states and 9590 transitions. [2022-03-20 07:28:07,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 07:28:07,316 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 [2022-03-20 07:28:07,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:28:07,327 INFO L225 Difference]: With dead ends: 7383 [2022-03-20 07:28:07,328 INFO L226 Difference]: Without dead ends: 7383 [2022-03-20 07:28:07,328 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:28:07,329 INFO L913 BasicCegarLoop]: 186 mSDtfsCounter, 182 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-20 07:28:07,330 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [182 Valid, 193 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-20 07:28:07,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7383 states. [2022-03-20 07:28:07,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7383 to 7351. [2022-03-20 07:28:07,410 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) [2022-03-20 07:28:07,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7351 states to 7351 states and 9558 transitions. [2022-03-20 07:28:07,422 INFO L78 Accepts]: Start accepts. Automaton has 7351 states and 9558 transitions. Word has length 302 [2022-03-20 07:28:07,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:28:07,422 INFO L478 AbstractCegarLoop]: Abstraction has 7351 states and 9558 transitions. [2022-03-20 07:28:07,422 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) [2022-03-20 07:28:07,423 INFO L276 IsEmpty]: Start isEmpty. Operand 7351 states and 9558 transitions. [2022-03-20 07:28:07,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2022-03-20 07:28:07,430 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:28:07,430 INFO L499 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 11, 11, 9, 9, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:28:07,430 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-03-20 07:28:07,431 INFO L403 AbstractCegarLoop]: === Iteration 22 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:28:07,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:28:07,431 INFO L85 PathProgramCache]: Analyzing trace with hash -1235253167, now seen corresponding path program 1 times [2022-03-20 07:28:07,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:28:07,431 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71660841] [2022-03-20 07:28:07,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:28:07,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:28:07,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:28:07,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:28:07,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:28:07,495 INFO L134 CoverageAnalysis]: Checked inductivity of 1193 backedges. 637 proven. 14 refuted. 0 times theorem prover too weak. 542 trivial. 0 not checked. [2022-03-20 07:28:07,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:28:07,496 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71660841] [2022-03-20 07:28:07,496 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [71660841] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-20 07:28:07,496 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [576732564] [2022-03-20 07:28:07,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:28:07,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-20 07:28:07,496 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 07:28:07,512 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-20 07:28:07,513 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-03-20 07:28:07,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:28:07,639 INFO L263 TraceCheckSpWp]: Trace formula consists of 660 conjuncts, 5 conjunts are in the unsatisfiable core [2022-03-20 07:28:07,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-20 07:28:08,014 INFO L134 CoverageAnalysis]: Checked inductivity of 1193 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 1097 trivial. 0 not checked. [2022-03-20 07:28:08,014 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-20 07:28:08,015 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [576732564] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:28:08,015 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-20 07:28:08,015 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2022-03-20 07:28:08,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797295341] [2022-03-20 07:28:08,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:28:08,015 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:28:08,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:28:08,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:28:08,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-03-20 07:28:08,016 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) [2022-03-20 07:28:08,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:28:08,114 INFO L93 Difference]: Finished difference Result 7529 states and 9770 transitions. [2022-03-20 07:28:08,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:28:08,115 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 [2022-03-20 07:28:08,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:28:08,127 INFO L225 Difference]: With dead ends: 7529 [2022-03-20 07:28:08,127 INFO L226 Difference]: Without dead ends: 7501 [2022-03-20 07:28:08,127 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 331 GetRequests, 324 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-03-20 07:28:08,127 INFO L913 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 [2022-03-20 07:28:08,128 INFO L914 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] [2022-03-20 07:28:08,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7501 states. [2022-03-20 07:28:08,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7501 to 7357. [2022-03-20 07:28:08,204 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) [2022-03-20 07:28:08,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7357 states to 7357 states and 9566 transitions. [2022-03-20 07:28:08,216 INFO L78 Accepts]: Start accepts. Automaton has 7357 states and 9566 transitions. Word has length 325 [2022-03-20 07:28:08,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:28:08,216 INFO L478 AbstractCegarLoop]: Abstraction has 7357 states and 9566 transitions. [2022-03-20 07:28:08,216 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) [2022-03-20 07:28:08,217 INFO L276 IsEmpty]: Start isEmpty. Operand 7357 states and 9566 transitions. [2022-03-20 07:28:08,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2022-03-20 07:28:08,224 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:28:08,224 INFO L499 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 13, 12, 12, 11, 11, 9, 9, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:28:08,246 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-03-20 07:28:08,443 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 [2022-03-20 07:28:08,444 INFO L403 AbstractCegarLoop]: === Iteration 23 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:28:08,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:28:08,444 INFO L85 PathProgramCache]: Analyzing trace with hash -26358714, now seen corresponding path program 1 times [2022-03-20 07:28:08,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:28:08,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043353691] [2022-03-20 07:28:08,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:28:08,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:28:08,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:28:08,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:28:08,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:28:08,588 INFO L134 CoverageAnalysis]: Checked inductivity of 1256 backedges. 657 proven. 14 refuted. 0 times theorem prover too weak. 585 trivial. 0 not checked. [2022-03-20 07:28:08,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:28:08,589 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043353691] [2022-03-20 07:28:08,589 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043353691] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-20 07:28:08,589 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2061685632] [2022-03-20 07:28:08,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:28:08,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-20 07:28:08,589 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 07:28:08,590 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-20 07:28:08,607 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-20 07:28:08,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:28:08,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 692 conjuncts, 3 conjunts are in the unsatisfiable core [2022-03-20 07:28:08,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-20 07:28:09,146 INFO L134 CoverageAnalysis]: Checked inductivity of 1256 backedges. 657 proven. 14 refuted. 0 times theorem prover too weak. 585 trivial. 0 not checked. [2022-03-20 07:28:09,146 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-20 07:28:09,561 INFO L134 CoverageAnalysis]: Checked inductivity of 1256 backedges. 657 proven. 14 refuted. 0 times theorem prover too weak. 585 trivial. 0 not checked. [2022-03-20 07:28:09,561 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2061685632] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-20 07:28:09,561 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-20 07:28:09,561 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 7 [2022-03-20 07:28:09,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189305956] [2022-03-20 07:28:09,561 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-20 07:28:09,562 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-20 07:28:09,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:28:09,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-20 07:28:09,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-03-20 07:28:09,563 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) [2022-03-20 07:28:10,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:28:10,167 INFO L93 Difference]: Finished difference Result 11175 states and 14309 transitions. [2022-03-20 07:28:10,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-20 07:28:10,168 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 [2022-03-20 07:28:10,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:28:10,198 INFO L225 Difference]: With dead ends: 11175 [2022-03-20 07:28:10,198 INFO L226 Difference]: Without dead ends: 11167 [2022-03-20 07:28:10,198 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 691 GetRequests, 681 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2022-03-20 07:28:10,198 INFO L913 BasicCegarLoop]: 379 mSDtfsCounter, 508 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 955 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 508 SdHoareTripleChecker+Valid, 396 SdHoareTripleChecker+Invalid, 1021 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 955 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-20 07:28:10,199 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [508 Valid, 396 Invalid, 1021 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 955 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-20 07:28:10,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11167 states. [2022-03-20 07:28:10,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11167 to 8461. [2022-03-20 07:28:10,329 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) [2022-03-20 07:28:10,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8461 states to 8461 states and 11062 transitions. [2022-03-20 07:28:10,355 INFO L78 Accepts]: Start accepts. Automaton has 8461 states and 11062 transitions. Word has length 338 [2022-03-20 07:28:10,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:28:10,356 INFO L478 AbstractCegarLoop]: Abstraction has 8461 states and 11062 transitions. [2022-03-20 07:28:10,356 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 33.57142857142857) internal successors, (235), 6 states have internal predecessors, (235), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:28:10,356 INFO L276 IsEmpty]: Start isEmpty. Operand 8461 states and 11062 transitions. [2022-03-20 07:28:10,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2022-03-20 07:28:10,367 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:28:10,368 INFO L499 BasicCegarLoop]: trace histogram [15, 15, 14, 14, 13, 13, 13, 13, 13, 12, 12, 11, 11, 9, 9, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:28:10,396 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-20 07:28:10,587 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 [2022-03-20 07:28:10,587 INFO L403 AbstractCegarLoop]: === Iteration 24 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:28:10,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:28:10,588 INFO L85 PathProgramCache]: Analyzing trace with hash -1669190455, now seen corresponding path program 2 times [2022-03-20 07:28:10,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:28:10,588 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711988333] [2022-03-20 07:28:10,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:28:10,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:28:10,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:28:10,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:28:10,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:28:10,666 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 714 proven. 5 refuted. 0 times theorem prover too weak. 613 trivial. 0 not checked. [2022-03-20 07:28:10,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:28:10,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711988333] [2022-03-20 07:28:10,667 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711988333] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-20 07:28:10,668 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [918694996] [2022-03-20 07:28:10,668 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-20 07:28:10,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-20 07:28:10,668 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 07:28:10,669 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-20 07:28:10,671 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-20 07:28:10,813 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-20 07:28:10,813 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-20 07:28:10,817 INFO L263 TraceCheckSpWp]: Trace formula consists of 724 conjuncts, 2 conjunts are in the unsatisfiable core [2022-03-20 07:28:10,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-20 07:28:11,319 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 505 proven. 0 refuted. 0 times theorem prover too weak. 827 trivial. 0 not checked. [2022-03-20 07:28:11,320 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-20 07:28:11,320 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [918694996] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:28:11,320 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-20 07:28:11,320 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-03-20 07:28:11,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775207836] [2022-03-20 07:28:11,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:28:11,321 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-20 07:28:11,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:28:11,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-20 07:28:11,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-03-20 07:28:11,322 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) [2022-03-20 07:28:11,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:28:11,466 INFO L93 Difference]: Finished difference Result 8741 states and 10822 transitions. [2022-03-20 07:28:11,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-20 07:28:11,467 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 [2022-03-20 07:28:11,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:28:11,484 INFO L225 Difference]: With dead ends: 8741 [2022-03-20 07:28:11,484 INFO L226 Difference]: Without dead ends: 8741 [2022-03-20 07:28:11,484 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 356 GetRequests, 352 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-03-20 07:28:11,487 INFO L913 BasicCegarLoop]: 145 mSDtfsCounter, 55 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-20 07:28:11,488 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [55 Valid, 225 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-20 07:28:11,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8741 states. [2022-03-20 07:28:11,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8741 to 7885. [2022-03-20 07:28:11,629 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) [2022-03-20 07:28:11,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7885 states to 7885 states and 9910 transitions. [2022-03-20 07:28:11,648 INFO L78 Accepts]: Start accepts. Automaton has 7885 states and 9910 transitions. Word has length 351 [2022-03-20 07:28:11,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:28:11,649 INFO L478 AbstractCegarLoop]: Abstraction has 7885 states and 9910 transitions. [2022-03-20 07:28:11,649 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) [2022-03-20 07:28:11,649 INFO L276 IsEmpty]: Start isEmpty. Operand 7885 states and 9910 transitions. [2022-03-20 07:28:11,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2022-03-20 07:28:11,662 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:28:11,663 INFO L499 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 15, 15, 15, 15, 15, 13, 13, 11, 11, 9, 9, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:28:11,692 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-20 07:28:11,887 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 [2022-03-20 07:28:11,888 INFO L403 AbstractCegarLoop]: === Iteration 25 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:28:11,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:28:11,888 INFO L85 PathProgramCache]: Analyzing trace with hash 1929982713, now seen corresponding path program 1 times [2022-03-20 07:28:11,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:28:11,888 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587398737] [2022-03-20 07:28:11,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:28:11,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:28:11,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:28:11,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:28:11,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:28:11,947 INFO L134 CoverageAnalysis]: Checked inductivity of 1651 backedges. 957 proven. 5 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2022-03-20 07:28:11,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:28:11,947 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587398737] [2022-03-20 07:28:11,947 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587398737] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-20 07:28:11,947 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2136216468] [2022-03-20 07:28:11,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:28:11,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-20 07:28:11,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 07:28:11,972 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-20 07:28:11,973 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-20 07:28:12,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:28:12,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 777 conjuncts, 3 conjunts are in the unsatisfiable core [2022-03-20 07:28:12,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-20 07:28:12,513 INFO L134 CoverageAnalysis]: Checked inductivity of 1651 backedges. 957 proven. 5 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2022-03-20 07:28:12,513 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-20 07:28:12,919 INFO L134 CoverageAnalysis]: Checked inductivity of 1651 backedges. 957 proven. 5 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2022-03-20 07:28:12,919 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2136216468] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-20 07:28:12,919 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-20 07:28:12,919 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 7 [2022-03-20 07:28:12,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871144453] [2022-03-20 07:28:12,920 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-20 07:28:12,920 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-20 07:28:12,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:28:12,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-20 07:28:12,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-03-20 07:28:12,921 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) [2022-03-20 07:28:13,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:28:13,234 INFO L93 Difference]: Finished difference Result 10034 states and 12415 transitions. [2022-03-20 07:28:13,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-20 07:28:13,235 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 [2022-03-20 07:28:13,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:28:13,250 INFO L225 Difference]: With dead ends: 10034 [2022-03-20 07:28:13,250 INFO L226 Difference]: Without dead ends: 10026 [2022-03-20 07:28:13,250 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 774 GetRequests, 766 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-03-20 07:28:13,251 INFO L913 BasicCegarLoop]: 225 mSDtfsCounter, 662 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 364 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 662 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 364 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-20 07:28:13,251 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [662 Valid, 237 Invalid, 479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 364 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-20 07:28:13,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10026 states. [2022-03-20 07:28:13,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10026 to 8275. [2022-03-20 07:28:13,333 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) [2022-03-20 07:28:13,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8275 states to 8275 states and 10373 transitions. [2022-03-20 07:28:13,343 INFO L78 Accepts]: Start accepts. Automaton has 8275 states and 10373 transitions. Word has length 382 [2022-03-20 07:28:13,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:28:13,344 INFO L478 AbstractCegarLoop]: Abstraction has 8275 states and 10373 transitions. [2022-03-20 07:28:13,344 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) [2022-03-20 07:28:13,344 INFO L276 IsEmpty]: Start isEmpty. Operand 8275 states and 10373 transitions. [2022-03-20 07:28:13,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 422 [2022-03-20 07:28:13,355 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:28:13,355 INFO L499 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 16, 16, 16, 14, 14, 12, 12, 10, 10, 8, 8, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:28:13,376 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-20 07:28:13,573 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 [2022-03-20 07:28:13,574 INFO L403 AbstractCegarLoop]: === Iteration 26 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:28:13,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:28:13,574 INFO L85 PathProgramCache]: Analyzing trace with hash -1151656959, now seen corresponding path program 1 times [2022-03-20 07:28:13,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:28:13,574 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146047426] [2022-03-20 07:28:13,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:28:13,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:28:13,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:28:13,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:28:13,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:28:13,628 INFO L134 CoverageAnalysis]: Checked inductivity of 1972 backedges. 887 proven. 0 refuted. 0 times theorem prover too weak. 1085 trivial. 0 not checked. [2022-03-20 07:28:13,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:28:13,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146047426] [2022-03-20 07:28:13,628 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1146047426] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:28:13,628 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:28:13,629 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 07:28:13,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967957034] [2022-03-20 07:28:13,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:28:13,629 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 07:28:13,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:28:13,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 07:28:13,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 07:28:13,630 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) [2022-03-20 07:28:13,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:28:13,840 INFO L93 Difference]: Finished difference Result 7599 states and 9081 transitions. [2022-03-20 07:28:13,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 07:28:13,840 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 [2022-03-20 07:28:13,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:28:13,846 INFO L225 Difference]: With dead ends: 7599 [2022-03-20 07:28:13,846 INFO L226 Difference]: Without dead ends: 3859 [2022-03-20 07:28:13,846 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:28:13,847 INFO L913 BasicCegarLoop]: 188 mSDtfsCounter, 208 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-20 07:28:13,848 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [208 Valid, 195 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-20 07:28:13,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3859 states. [2022-03-20 07:28:13,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3859 to 3644. [2022-03-20 07:28:13,887 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) [2022-03-20 07:28:13,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3644 states to 3644 states and 4526 transitions. [2022-03-20 07:28:13,892 INFO L78 Accepts]: Start accepts. Automaton has 3644 states and 4526 transitions. Word has length 421 [2022-03-20 07:28:13,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:28:13,892 INFO L478 AbstractCegarLoop]: Abstraction has 3644 states and 4526 transitions. [2022-03-20 07:28:13,892 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) [2022-03-20 07:28:13,893 INFO L276 IsEmpty]: Start isEmpty. Operand 3644 states and 4526 transitions. [2022-03-20 07:28:13,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 489 [2022-03-20 07:28:13,898 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:28:13,899 INFO L499 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 17, 16, 16, 15, 15, 13, 13, 11, 11, 9, 9, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:28:13,899 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-03-20 07:28:13,900 INFO L403 AbstractCegarLoop]: === Iteration 27 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:28:13,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:28:13,900 INFO L85 PathProgramCache]: Analyzing trace with hash -11908213, now seen corresponding path program 1 times [2022-03-20 07:28:13,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:28:13,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972975938] [2022-03-20 07:28:13,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:28:13,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:28:13,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:28:14,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:28:14,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:28:14,009 INFO L134 CoverageAnalysis]: Checked inductivity of 2503 backedges. 1481 proven. 14 refuted. 0 times theorem prover too weak. 1008 trivial. 0 not checked. [2022-03-20 07:28:14,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:28:14,010 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972975938] [2022-03-20 07:28:14,010 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972975938] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-20 07:28:14,010 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [679559399] [2022-03-20 07:28:14,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:28:14,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-20 07:28:14,010 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 07:28:14,012 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-20 07:28:14,013 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-20 07:28:14,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:28:14,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 892 conjuncts, 3 conjunts are in the unsatisfiable core [2022-03-20 07:28:14,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-20 07:28:14,707 INFO L134 CoverageAnalysis]: Checked inductivity of 2503 backedges. 1481 proven. 14 refuted. 0 times theorem prover too weak. 1008 trivial. 0 not checked. [2022-03-20 07:28:14,708 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-20 07:28:15,228 INFO L134 CoverageAnalysis]: Checked inductivity of 2503 backedges. 1481 proven. 14 refuted. 0 times theorem prover too weak. 1008 trivial. 0 not checked. [2022-03-20 07:28:15,229 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [679559399] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-20 07:28:15,229 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-20 07:28:15,229 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 9 [2022-03-20 07:28:15,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909988264] [2022-03-20 07:28:15,229 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-20 07:28:15,230 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-20 07:28:15,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:28:15,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-20 07:28:15,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-03-20 07:28:15,231 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) [2022-03-20 07:28:15,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:28:15,665 INFO L93 Difference]: Finished difference Result 967 states and 1137 transitions. [2022-03-20 07:28:15,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-20 07:28:15,666 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 [2022-03-20 07:28:15,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:28:15,666 INFO L225 Difference]: With dead ends: 967 [2022-03-20 07:28:15,666 INFO L226 Difference]: Without dead ends: 0 [2022-03-20 07:28:15,666 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 987 GetRequests, 977 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2022-03-20 07:28:15,668 INFO L913 BasicCegarLoop]: 159 mSDtfsCounter, 324 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 912 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 324 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 960 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 912 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-20 07:28:15,668 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [324 Valid, 181 Invalid, 960 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 912 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-20 07:28:15,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-03-20 07:28:15,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-03-20 07:28:15,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-20 07:28:15,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-03-20 07:28:15,669 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 488 [2022-03-20 07:28:15,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:28:15,669 INFO L478 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-03-20 07:28:15,669 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) [2022-03-20 07:28:15,669 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-03-20 07:28:15,669 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-03-20 07:28:15,672 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-03-20 07:28:15,703 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-03-20 07:28:15,895 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 [2022-03-20 07:28:15,898 INFO L719 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:28:15,899 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-20 07:28:15,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.03 07:28:15 BasicIcfg [2022-03-20 07:28:15,901 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-20 07:28:15,901 INFO L158 Benchmark]: Toolchain (without parser) took 15255.62ms. Allocated memory was 172.0MB in the beginning and 478.2MB in the end (delta: 306.2MB). Free memory was 123.2MB in the beginning and 200.3MB in the end (delta: -77.1MB). Peak memory consumption was 229.6MB. Max. memory is 8.0GB. [2022-03-20 07:28:15,901 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 172.0MB. Free memory is still 140.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-20 07:28:15,901 INFO L158 Benchmark]: CACSL2BoogieTranslator took 245.77ms. Allocated memory is still 172.0MB. Free memory was 123.1MB in the beginning and 146.9MB in the end (delta: -23.9MB). Peak memory consumption was 13.1MB. Max. memory is 8.0GB. [2022-03-20 07:28:15,901 INFO L158 Benchmark]: Boogie Preprocessor took 51.35ms. Allocated memory is still 172.0MB. Free memory was 146.9MB in the beginning and 144.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-20 07:28:15,901 INFO L158 Benchmark]: RCFGBuilder took 561.91ms. Allocated memory is still 172.0MB. Free memory was 144.5MB in the beginning and 119.0MB in the end (delta: 25.5MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. [2022-03-20 07:28:15,901 INFO L158 Benchmark]: IcfgTransformer took 24.39ms. Allocated memory is still 172.0MB. Free memory was 119.0MB in the beginning and 116.2MB in the end (delta: 2.8MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-03-20 07:28:15,902 INFO L158 Benchmark]: TraceAbstraction took 14363.10ms. Allocated memory was 172.0MB in the beginning and 478.2MB in the end (delta: 306.2MB). Free memory was 115.5MB in the beginning and 200.3MB in the end (delta: -84.8MB). Peak memory consumption was 221.8MB. Max. memory is 8.0GB. [2022-03-20 07:28:15,902 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 172.0MB. Free memory is still 140.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 245.77ms. Allocated memory is still 172.0MB. Free memory was 123.1MB in the beginning and 146.9MB in the end (delta: -23.9MB). Peak memory consumption was 13.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 51.35ms. Allocated memory is still 172.0MB. Free memory was 146.9MB in the beginning and 144.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 561.91ms. Allocated memory is still 172.0MB. Free memory was 144.5MB in the beginning and 119.0MB in the end (delta: 25.5MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. * IcfgTransformer took 24.39ms. Allocated memory is still 172.0MB. Free memory was 119.0MB in the beginning and 116.2MB in the end (delta: 2.8MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * TraceAbstraction took 14363.10ms. Allocated memory was 172.0MB in the beginning and 478.2MB in the end (delta: 306.2MB). Free memory was 115.5MB in the beginning and 200.3MB in the end (delta: -84.8MB). Peak memory consumption was 221.8MB. 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: 14.3s, OverallIterations: 27, TraceHistogramMax: 18, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 5.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7179 SdHoareTripleChecker+Valid, 4.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7177 mSDsluCounter, 6107 SdHoareTripleChecker+Invalid, 3.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 521 mSDsCounter, 672 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6506 IncrementalHoareTripleChecker+Invalid, 7178 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 672 mSolverCounterUnsat, 5586 mSDtfsCounter, 6506 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3292 GetRequests, 3187 SyntacticMatches, 0 SemanticMatches, 105 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8461occurred in iteration=23, InterpolantAutomatonStates: 116, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.2s AutomataMinimizationTime, 27 MinimizatonAttempts, 6272 StatesRemovedByMinimization, 22 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 4.9s 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 RESULT: Ultimate proved your program to be correct! [2022-03-20 07:28:15,933 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...