/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/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf -i ../../../trunk/examples/svcomp/openssl/s3_clnt.blast.03.i.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-d966a43 [2022-01-31 22:29:40,144 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-31 22:29:40,174 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-31 22:29:40,210 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-31 22:29:40,211 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-31 22:29:40,212 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-31 22:29:40,214 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-31 22:29:40,216 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-31 22:29:40,217 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-31 22:29:40,221 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-31 22:29:40,221 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-31 22:29:40,222 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-31 22:29:40,222 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-31 22:29:40,224 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-31 22:29:40,225 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-31 22:29:40,227 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-31 22:29:40,228 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-31 22:29:40,228 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-31 22:29:40,230 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-31 22:29:40,235 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-31 22:29:40,236 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-31 22:29:40,236 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-31 22:29:40,238 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-31 22:29:40,238 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-31 22:29:40,243 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-31 22:29:40,250 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-31 22:29:40,250 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-31 22:29:40,250 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-31 22:29:40,251 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf [2022-01-31 22:29:40,262 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-31 22:29:40,262 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-31 22:29:40,263 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-31 22:29:40,263 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-31 22:29:40,263 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-31 22:29:40,263 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-31 22:29:40,264 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-31 22:29:40,264 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-31 22:29:40,264 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-31 22:29:40,264 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-31 22:29:40,264 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-31 22:29:40,265 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-31 22:29:40,265 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-31 22:29:40,265 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-31 22:29:40,265 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-31 22:29:40,265 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-31 22:29:40,265 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-31 22:29:40,265 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-31 22:29:40,265 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 22:29:40,265 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-31 22:29:40,265 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2022-01-31 22:29:40,266 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-31 22:29:40,266 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=JORDAN [2022-01-31 22:29:40,266 INFO L138 SettingsManager]: * Use separate solver for trace checks=false 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-31 22:29:40,467 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-31 22:29:40,490 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-31 22:29:40,494 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-31 22:29:40,495 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-31 22:29:40,495 INFO L275 PluginConnector]: CDTParser initialized [2022-01-31 22:29:40,496 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/openssl/s3_clnt.blast.03.i.cil-1.c [2022-01-31 22:29:40,551 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae7621b6e/397a26374dc841f183ccd00a61e207ca/FLAG381ea9c3a [2022-01-31 22:29:40,919 INFO L306 CDTParser]: Found 1 translation units. [2022-01-31 22:29:40,919 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/openssl/s3_clnt.blast.03.i.cil-1.c [2022-01-31 22:29:40,933 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae7621b6e/397a26374dc841f183ccd00a61e207ca/FLAG381ea9c3a [2022-01-31 22:29:41,269 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae7621b6e/397a26374dc841f183ccd00a61e207ca [2022-01-31 22:29:41,271 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-31 22:29:41,271 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-01-31 22:29:41,284 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-31 22:29:41,284 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-31 22:29:41,286 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-31 22:29:41,287 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 10:29:41" (1/1) ... [2022-01-31 22:29:41,287 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5537e46b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:29:41, skipping insertion in model container [2022-01-31 22:29:41,287 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 10:29:41" (1/1) ... [2022-01-31 22:29:41,292 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-31 22:29:41,372 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-31 22:29:41,670 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/openssl/s3_clnt.blast.03.i.cil-1.c[65397,65410] [2022-01-31 22:29:41,685 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 22:29:41,693 INFO L203 MainTranslator]: Completed pre-run [2022-01-31 22:29:41,804 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/openssl/s3_clnt.blast.03.i.cil-1.c[65397,65410] [2022-01-31 22:29:41,806 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 22:29:41,818 INFO L208 MainTranslator]: Completed translation [2022-01-31 22:29:41,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:29:41 WrapperNode [2022-01-31 22:29:41,819 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-31 22:29:41,819 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-31 22:29:41,819 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-31 22:29:41,820 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-31 22:29:41,827 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:29:41" (1/1) ... [2022-01-31 22:29:41,828 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:29:41" (1/1) ... [2022-01-31 22:29:41,855 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:29:41" (1/1) ... [2022-01-31 22:29:41,855 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:29:41" (1/1) ... [2022-01-31 22:29:41,908 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:29:41" (1/1) ... [2022-01-31 22:29:41,912 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:29:41" (1/1) ... [2022-01-31 22:29:41,914 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:29:41" (1/1) ... [2022-01-31 22:29:41,918 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-31 22:29:41,918 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-31 22:29:41,918 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-31 22:29:41,918 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-31 22:29:41,927 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:29:41" (1/1) ... [2022-01-31 22:29:41,934 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 22:29:41,950 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-31 22:29:41,959 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) [2022-01-31 22:29:41,961 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 [2022-01-31 22:29:41,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-01-31 22:29:41,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-31 22:29:41,986 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-01-31 22:29:41,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_get_client_method [2022-01-31 22:29:41,987 INFO L138 BoogieDeclarations]: Found implementation of procedure SSLv3_client_method [2022-01-31 22:29:41,987 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-01-31 22:29:41,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_connect [2022-01-31 22:29:41,987 INFO L138 BoogieDeclarations]: Found implementation of procedure sslv3_base_method [2022-01-31 22:29:41,987 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-01-31 22:29:41,987 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-01-31 22:29:41,987 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-01-31 22:29:41,987 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-01-31 22:29:41,987 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-01-31 22:29:41,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-31 22:29:41,987 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2022-01-31 22:29:41,988 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2022-01-31 22:29:41,988 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-01-31 22:29:41,988 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2022-01-31 22:29:41,988 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2022-01-31 22:29:41,988 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2022-01-31 22:29:41,988 INFO L130 BoogieDeclarations]: Found specification of procedure SSLv3_client_method [2022-01-31 22:29:41,988 INFO L130 BoogieDeclarations]: Found specification of procedure sslv3_base_method [2022-01-31 22:29:41,988 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_connect [2022-01-31 22:29:41,988 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_get_client_method [2022-01-31 22:29:41,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-01-31 22:29:41,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-01-31 22:29:41,988 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-01-31 22:29:41,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-01-31 22:29:41,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-31 22:29:41,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-01-31 22:29:41,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-31 22:29:41,989 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2022-01-31 22:29:41,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-01-31 22:29:41,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-01-31 22:29:41,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-31 22:29:41,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-31 22:29:41,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-01-31 22:29:41,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-01-31 22:29:41,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-01-31 22:29:41,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-01-31 22:29:41,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-31 22:29:42,123 INFO L234 CfgBuilder]: Building ICFG [2022-01-31 22:29:42,125 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-31 22:29:43,418 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-31 22:29:43,743 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2022-01-31 22:29:43,743 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2022-01-31 22:29:43,763 INFO L275 CfgBuilder]: Performing block encoding [2022-01-31 22:29:43,770 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-31 22:29:43,770 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-01-31 22:29:43,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 10:29:43 BoogieIcfgContainer [2022-01-31 22:29:43,772 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-31 22:29:43,773 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-31 22:29:43,773 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-31 22:29:43,776 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-31 22:29:43,776 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.01 10:29:41" (1/3) ... [2022-01-31 22:29:43,776 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11313569 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 10:29:43, skipping insertion in model container [2022-01-31 22:29:43,777 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:29:41" (2/3) ... [2022-01-31 22:29:43,777 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11313569 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 10:29:43, skipping insertion in model container [2022-01-31 22:29:43,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 10:29:43" (3/3) ... [2022-01-31 22:29:43,779 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_clnt.blast.03.i.cil-1.c [2022-01-31 22:29:43,784 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-01-31 22:29:43,784 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-31 22:29:43,820 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-31 22:29:43,825 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=AcceleratedInterpolation, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, 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, mLoopAccelerationTechnique=JORDAN [2022-01-31 22:29:43,825 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-31 22:29:43,842 INFO L276 IsEmpty]: Start isEmpty. Operand has 138 states, 130 states have (on average 1.6923076923076923) internal successors, (220), 131 states have internal predecessors, (220), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-01-31 22:29:43,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-01-31 22:29:43,858 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 22:29:43,858 INFO L514 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] [2022-01-31 22:29:43,859 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 22:29:43,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 22:29:43,862 INFO L85 PathProgramCache]: Analyzing trace with hash -22644822, now seen corresponding path program 1 times [2022-01-31 22:29:43,867 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 22:29:43,868 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [321358804] [2022-01-31 22:29:43,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 22:29:43,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 22:29:43,915 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 22:29:44,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 22:29:44,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 22:29:44,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 22:29:44,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 22:29:44,387 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 22:29:44,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [321358804] [2022-01-31 22:29:44,388 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [321358804] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 22:29:44,388 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 22:29:44,388 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-31 22:29:44,389 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331936257] [2022-01-31 22:29:44,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 22:29:44,394 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-31 22:29:44,394 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 22:29:44,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-31 22:29:44,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-31 22:29:44,420 INFO L87 Difference]: Start difference. First operand has 138 states, 130 states have (on average 1.6923076923076923) internal successors, (220), 131 states have internal predecessors, (220), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 22:29:46,450 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-31 22:29:46,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 22:29:46,828 INFO L93 Difference]: Finished difference Result 267 states and 442 transitions. [2022-01-31 22:29:46,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-31 22:29:46,831 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2022-01-31 22:29:46,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 22:29:46,840 INFO L225 Difference]: With dead ends: 267 [2022-01-31 22:29:46,840 INFO L226 Difference]: Without dead ends: 122 [2022-01-31 22:29:46,844 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-01-31 22:29:46,849 INFO L933 BasicCegarLoop]: 213 mSDtfsCounter, 7 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 320 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 555 SdHoareTripleChecker+Invalid, 324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 320 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-01-31 22:29:46,850 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 555 Invalid, 324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 320 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-01-31 22:29:46,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2022-01-31 22:29:46,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 121. [2022-01-31 22:29:46,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 116 states have (on average 1.5) internal successors, (174), 116 states have internal predecessors, (174), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 22:29:46,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 178 transitions. [2022-01-31 22:29:46,899 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 178 transitions. Word has length 30 [2022-01-31 22:29:46,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 22:29:46,900 INFO L470 AbstractCegarLoop]: Abstraction has 121 states and 178 transitions. [2022-01-31 22:29:46,901 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 22:29:46,901 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 178 transitions. [2022-01-31 22:29:46,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-01-31 22:29:46,903 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 22:29:46,903 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 22:29:46,903 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-31 22:29:46,903 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 22:29:46,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 22:29:46,904 INFO L85 PathProgramCache]: Analyzing trace with hash 868047042, now seen corresponding path program 1 times [2022-01-31 22:29:46,904 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 22:29:46,905 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [691726858] [2022-01-31 22:29:46,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 22:29:46,930 INFO L87 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-01-31 22:29:46,931 WARN L89 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-01-31 22:29:46,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 22:29:46,934 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 22:29:47,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 22:29:47,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 22:29:47,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 22:29:47,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 22:29:47,166 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 22:29:47,166 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [691726858] [2022-01-31 22:29:47,167 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [691726858] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 22:29:47,167 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 22:29:47,167 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-31 22:29:47,167 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246987079] [2022-01-31 22:29:47,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 22:29:47,168 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-31 22:29:47,169 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 22:29:47,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-31 22:29:47,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-31 22:29:47,171 INFO L87 Difference]: Start difference. First operand 121 states and 178 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 22:29:49,185 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-31 22:29:49,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 22:29:49,480 INFO L93 Difference]: Finished difference Result 327 states and 490 transitions. [2022-01-31 22:29:49,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-31 22:29:49,481 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 44 [2022-01-31 22:29:49,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 22:29:49,482 INFO L225 Difference]: With dead ends: 327 [2022-01-31 22:29:49,482 INFO L226 Difference]: Without dead ends: 222 [2022-01-31 22:29:49,483 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-31 22:29:49,483 INFO L933 BasicCegarLoop]: 166 mSDtfsCounter, 124 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-01-31 22:29:49,484 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [124 Valid, 319 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 190 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-01-31 22:29:49,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2022-01-31 22:29:49,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 222. [2022-01-31 22:29:49,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 217 states have (on average 1.4838709677419355) internal successors, (322), 217 states have internal predecessors, (322), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 22:29:49,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 326 transitions. [2022-01-31 22:29:49,504 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 326 transitions. Word has length 44 [2022-01-31 22:29:49,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 22:29:49,504 INFO L470 AbstractCegarLoop]: Abstraction has 222 states and 326 transitions. [2022-01-31 22:29:49,504 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 22:29:49,504 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 326 transitions. [2022-01-31 22:29:49,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-01-31 22:29:49,506 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 22:29:49,506 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 22:29:49,506 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-31 22:29:49,506 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 22:29:49,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 22:29:49,507 INFO L85 PathProgramCache]: Analyzing trace with hash -446115060, now seen corresponding path program 1 times [2022-01-31 22:29:49,507 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 22:29:49,507 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1663696327] [2022-01-31 22:29:49,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 22:29:49,519 INFO L87 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-01-31 22:29:49,519 WARN L89 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-01-31 22:29:49,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 22:29:49,523 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 22:29:49,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 22:29:49,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 22:29:49,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 22:29:49,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 22:29:49,679 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 22:29:49,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1663696327] [2022-01-31 22:29:49,679 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1663696327] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 22:29:49,679 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 22:29:49,679 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-31 22:29:49,680 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578186724] [2022-01-31 22:29:49,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 22:29:49,680 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-31 22:29:49,680 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 22:29:49,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-31 22:29:49,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-31 22:29:49,681 INFO L87 Difference]: Start difference. First operand 222 states and 326 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 22:29:51,699 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-31 22:29:52,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 22:29:52,098 INFO L93 Difference]: Finished difference Result 611 states and 908 transitions. [2022-01-31 22:29:52,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-31 22:29:52,098 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 59 [2022-01-31 22:29:52,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 22:29:52,100 INFO L225 Difference]: With dead ends: 611 [2022-01-31 22:29:52,100 INFO L226 Difference]: Without dead ends: 405 [2022-01-31 22:29:52,102 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-01-31 22:29:52,103 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 106 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 383 mSolverCounterSat, 44 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 383 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-01-31 22:29:52,103 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [106 Valid, 279 Invalid, 428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 383 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-01-31 22:29:52,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2022-01-31 22:29:52,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 270. [2022-01-31 22:29:52,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 265 states have (on average 1.5320754716981133) internal successors, (406), 265 states have internal predecessors, (406), 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) [2022-01-31 22:29:52,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 410 transitions. [2022-01-31 22:29:52,134 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 410 transitions. Word has length 59 [2022-01-31 22:29:52,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 22:29:52,135 INFO L470 AbstractCegarLoop]: Abstraction has 270 states and 410 transitions. [2022-01-31 22:29:52,135 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 22:29:52,135 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 410 transitions. [2022-01-31 22:29:52,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-01-31 22:29:52,136 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 22:29:52,136 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 22:29:52,137 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-31 22:29:52,137 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 22:29:52,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 22:29:52,137 INFO L85 PathProgramCache]: Analyzing trace with hash -949350737, now seen corresponding path program 1 times [2022-01-31 22:29:52,137 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 22:29:52,137 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1555158630] [2022-01-31 22:29:52,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 22:29:52,149 INFO L87 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-01-31 22:29:52,150 WARN L89 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-01-31 22:29:52,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 22:29:52,153 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 22:29:52,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 22:29:52,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 22:29:52,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 22:29:52,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 22:29:52,305 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 22:29:52,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1555158630] [2022-01-31 22:29:52,305 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1555158630] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 22:29:52,305 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 22:29:52,305 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-31 22:29:52,306 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554282325] [2022-01-31 22:29:52,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 22:29:52,306 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-31 22:29:52,306 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 22:29:52,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-31 22:29:52,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-31 22:29:52,307 INFO L87 Difference]: Start difference. First operand 270 states and 410 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 22:29:54,323 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-31 22:29:54,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 22:29:54,680 INFO L93 Difference]: Finished difference Result 435 states and 665 transitions. [2022-01-31 22:29:54,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-31 22:29:54,680 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (3), 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 60 [2022-01-31 22:29:54,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 22:29:54,682 INFO L225 Difference]: With dead ends: 435 [2022-01-31 22:29:54,682 INFO L226 Difference]: Without dead ends: 306 [2022-01-31 22:29:54,683 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-01-31 22:29:54,683 INFO L933 BasicCegarLoop]: 199 mSDtfsCounter, 33 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 360 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 486 SdHoareTripleChecker+Invalid, 369 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 360 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-01-31 22:29:54,683 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [33 Valid, 486 Invalid, 369 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 360 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-01-31 22:29:54,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2022-01-31 22:29:54,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 288. [2022-01-31 22:29:54,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 283 states have (on average 1.540636042402827) internal successors, (436), 283 states have internal predecessors, (436), 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) [2022-01-31 22:29:54,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 440 transitions. [2022-01-31 22:29:54,703 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 440 transitions. Word has length 60 [2022-01-31 22:29:54,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 22:29:54,703 INFO L470 AbstractCegarLoop]: Abstraction has 288 states and 440 transitions. [2022-01-31 22:29:54,703 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 22:29:54,704 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 440 transitions. [2022-01-31 22:29:54,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-01-31 22:29:54,706 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 22:29:54,706 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 22:29:54,706 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-31 22:29:54,707 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 22:29:54,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 22:29:54,709 INFO L85 PathProgramCache]: Analyzing trace with hash -195464169, now seen corresponding path program 2 times [2022-01-31 22:29:54,710 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 22:29:54,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [942949484] [2022-01-31 22:29:54,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 22:30:07,155 WARN L228 SmtUtils]: Spent 12.44s on a formula simplification that was a NOOP. DAG size: 221 (called from [L 232] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-01-31 22:30:13,107 INFO L87 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-01-31 22:30:13,107 WARN L89 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-01-31 22:30:13,107 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 22:30:13,114 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 22:30:13,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 22:30:13,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 22:30:13,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 22:30:13,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 22:30:13,279 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 22:30:13,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [942949484] [2022-01-31 22:30:13,279 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [942949484] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 22:30:13,279 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 22:30:13,279 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-31 22:30:13,279 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086557652] [2022-01-31 22:30:13,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 22:30:13,280 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-31 22:30:13,280 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 22:30:13,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-31 22:30:13,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-31 22:30:13,281 INFO L87 Difference]: Start difference. First operand 288 states and 440 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 22:30:15,290 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-31 22:30:15,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 22:30:15,651 INFO L93 Difference]: Finished difference Result 452 states and 693 transitions. [2022-01-31 22:30:15,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-31 22:30:15,652 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 74 [2022-01-31 22:30:15,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 22:30:15,654 INFO L225 Difference]: With dead ends: 452 [2022-01-31 22:30:15,654 INFO L226 Difference]: Without dead ends: 305 [2022-01-31 22:30:15,655 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-01-31 22:30:15,658 INFO L933 BasicCegarLoop]: 199 mSDtfsCounter, 39 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 353 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 486 SdHoareTripleChecker+Invalid, 362 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 353 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-01-31 22:30:15,658 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [39 Valid, 486 Invalid, 362 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 353 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-01-31 22:30:15,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2022-01-31 22:30:15,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 288. [2022-01-31 22:30:15,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 283 states have (on average 1.5371024734982333) internal successors, (435), 283 states have internal predecessors, (435), 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) [2022-01-31 22:30:15,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 439 transitions. [2022-01-31 22:30:15,681 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 439 transitions. Word has length 74 [2022-01-31 22:30:15,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 22:30:15,681 INFO L470 AbstractCegarLoop]: Abstraction has 288 states and 439 transitions. [2022-01-31 22:30:15,681 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 22:30:15,681 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 439 transitions. [2022-01-31 22:30:15,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-01-31 22:30:15,682 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 22:30:15,682 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 22:30:15,682 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-31 22:30:15,682 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 22:30:15,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 22:30:15,682 INFO L85 PathProgramCache]: Analyzing trace with hash -214119627, now seen corresponding path program 1 times [2022-01-31 22:30:15,682 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 22:30:15,682 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1752070728] [2022-01-31 22:30:15,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 22:30:36,313 WARN L228 SmtUtils]: Spent 16.71s on a formula simplification that was a NOOP. DAG size: 221 (called from [L 232] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-01-31 22:30:41,656 INFO L87 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-01-31 22:30:41,656 WARN L89 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-01-31 22:30:41,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 22:30:41,660 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 22:30:41,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 22:30:41,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 22:30:41,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 22:30:41,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 22:30:41,853 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 22:30:41,853 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1752070728] [2022-01-31 22:30:41,854 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1752070728] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 22:30:41,854 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 22:30:41,854 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-31 22:30:41,854 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665070904] [2022-01-31 22:30:41,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 22:30:41,854 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-31 22:30:41,854 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 22:30:41,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-31 22:30:41,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-31 22:30:41,855 INFO L87 Difference]: Start difference. First operand 288 states and 439 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 22:30:43,894 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-31 22:30:44,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 22:30:44,299 INFO L93 Difference]: Finished difference Result 743 states and 1134 transitions. [2022-01-31 22:30:44,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-31 22:30:44,300 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 74 [2022-01-31 22:30:44,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 22:30:44,302 INFO L225 Difference]: With dead ends: 743 [2022-01-31 22:30:44,302 INFO L226 Difference]: Without dead ends: 471 [2022-01-31 22:30:44,303 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-01-31 22:30:44,303 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 119 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 382 mSolverCounterSat, 46 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 382 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-01-31 22:30:44,303 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [119 Valid, 278 Invalid, 429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 382 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-01-31 22:30:44,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2022-01-31 22:30:44,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 312. [2022-01-31 22:30:44,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 307 states have (on average 1.52442996742671) internal successors, (468), 307 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) [2022-01-31 22:30:44,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 472 transitions. [2022-01-31 22:30:44,314 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 472 transitions. Word has length 74 [2022-01-31 22:30:44,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 22:30:44,315 INFO L470 AbstractCegarLoop]: Abstraction has 312 states and 472 transitions. [2022-01-31 22:30:44,315 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 22:30:44,315 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 472 transitions. [2022-01-31 22:30:44,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-01-31 22:30:44,315 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 22:30:44,316 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 22:30:44,316 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-31 22:30:44,316 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 22:30:44,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 22:30:44,316 INFO L85 PathProgramCache]: Analyzing trace with hash -515982990, now seen corresponding path program 1 times [2022-01-31 22:30:44,316 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 22:30:44,316 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1737260164] [2022-01-31 22:30:44,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 22:31:01,283 WARN L228 SmtUtils]: Spent 16.97s on a formula simplification that was a NOOP. DAG size: 221 (called from [L 232] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-01-31 22:31:11,879 INFO L87 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-01-31 22:31:11,879 WARN L89 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-01-31 22:31:11,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 22:31:11,883 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 22:31:11,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 22:31:12,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 22:31:12,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 22:31:12,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 22:31:12,027 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 22:31:12,027 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1737260164] [2022-01-31 22:31:12,027 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1737260164] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 22:31:12,027 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 22:31:12,027 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-31 22:31:12,027 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930517269] [2022-01-31 22:31:12,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 22:31:12,027 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-31 22:31:12,028 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 22:31:12,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-31 22:31:12,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-31 22:31:12,028 INFO L87 Difference]: Start difference. First operand 312 states and 472 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 22:31:14,046 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-31 22:31:14,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 22:31:14,367 INFO L93 Difference]: Finished difference Result 488 states and 740 transitions. [2022-01-31 22:31:14,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-31 22:31:14,368 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 75 [2022-01-31 22:31:14,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 22:31:14,369 INFO L225 Difference]: With dead ends: 488 [2022-01-31 22:31:14,369 INFO L226 Difference]: Without dead ends: 329 [2022-01-31 22:31:14,370 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-01-31 22:31:14,370 INFO L933 BasicCegarLoop]: 197 mSDtfsCounter, 35 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 351 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 482 SdHoareTripleChecker+Invalid, 360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 351 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-01-31 22:31:14,370 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 482 Invalid, 360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 351 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-01-31 22:31:14,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2022-01-31 22:31:14,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 312. [2022-01-31 22:31:14,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 307 states have (on average 1.521172638436482) internal successors, (467), 307 states have internal predecessors, (467), 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) [2022-01-31 22:31:14,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 471 transitions. [2022-01-31 22:31:14,380 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 471 transitions. Word has length 75 [2022-01-31 22:31:14,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 22:31:14,380 INFO L470 AbstractCegarLoop]: Abstraction has 312 states and 471 transitions. [2022-01-31 22:31:14,380 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 22:31:14,380 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 471 transitions. [2022-01-31 22:31:14,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-01-31 22:31:14,381 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 22:31:14,381 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 22:31:14,381 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-01-31 22:31:14,381 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 22:31:14,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 22:31:14,381 INFO L85 PathProgramCache]: Analyzing trace with hash 470187034, now seen corresponding path program 1 times [2022-01-31 22:31:14,381 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 22:31:14,382 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1307500908] [2022-01-31 22:31:14,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 22:31:27,215 WARN L228 SmtUtils]: Spent 7.99s on a formula simplification that was a NOOP. DAG size: 221 (called from [L 232] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-01-31 22:31:31,710 INFO L87 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-01-31 22:31:31,710 WARN L89 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-01-31 22:31:31,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 22:31:31,715 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 22:31:31,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 22:31:31,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 22:31:31,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 22:31:31,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 22:31:31,902 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 22:31:31,902 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1307500908] [2022-01-31 22:31:31,902 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1307500908] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 22:31:31,902 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 22:31:31,902 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-31 22:31:31,902 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733821299] [2022-01-31 22:31:31,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 22:31:31,902 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-31 22:31:31,902 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 22:31:31,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-31 22:31:31,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-31 22:31:31,903 INFO L87 Difference]: Start difference. First operand 312 states and 471 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 22:31:33,326 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-31 22:31:35,343 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-31 22:31:37,365 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-31 22:31:39,382 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-31 22:31:39,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 22:31:39,781 INFO L93 Difference]: Finished difference Result 767 states and 1160 transitions. [2022-01-31 22:31:39,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-31 22:31:39,782 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 76 [2022-01-31 22:31:39,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 22:31:39,783 INFO L225 Difference]: With dead ends: 767 [2022-01-31 22:31:39,783 INFO L226 Difference]: Without dead ends: 471 [2022-01-31 22:31:39,784 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-01-31 22:31:39,784 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 116 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 383 mSolverCounterSat, 46 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 383 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2022-01-31 22:31:39,784 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [116 Valid, 278 Invalid, 432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 383 Invalid, 3 Unknown, 0 Unchecked, 7.8s Time] [2022-01-31 22:31:39,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2022-01-31 22:31:39,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 316. [2022-01-31 22:31:39,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316 states, 311 states have (on average 1.5112540192926045) internal successors, (470), 311 states have internal predecessors, (470), 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) [2022-01-31 22:31:39,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 474 transitions. [2022-01-31 22:31:39,799 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 474 transitions. Word has length 76 [2022-01-31 22:31:39,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 22:31:39,799 INFO L470 AbstractCegarLoop]: Abstraction has 316 states and 474 transitions. [2022-01-31 22:31:39,799 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 22:31:39,800 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 474 transitions. [2022-01-31 22:31:39,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-01-31 22:31:39,800 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 22:31:39,800 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 22:31:39,800 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-01-31 22:31:39,801 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 22:31:39,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 22:31:39,801 INFO L85 PathProgramCache]: Analyzing trace with hash -1564280905, now seen corresponding path program 1 times [2022-01-31 22:31:39,801 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 22:31:39,801 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [169771782] [2022-01-31 22:31:39,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 22:31:58,790 WARN L228 SmtUtils]: Spent 14.66s on a formula simplification that was a NOOP. DAG size: 221 (called from [L 232] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-01-31 22:32:02,712 INFO L87 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-01-31 22:32:02,712 WARN L89 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-01-31 22:32:02,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 22:32:02,730 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 22:32:02,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 22:32:02,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 22:32:02,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 22:32:02,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 22:32:02,893 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 22:32:02,893 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [169771782] [2022-01-31 22:32:02,893 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [169771782] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 22:32:02,893 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 22:32:02,893 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-31 22:32:02,893 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628819890] [2022-01-31 22:32:02,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 22:32:02,893 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-31 22:32:02,894 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 22:32:02,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-31 22:32:02,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-31 22:32:02,894 INFO L87 Difference]: Start difference. First operand 316 states and 474 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 22:32:04,902 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-31 22:32:05,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 22:32:05,205 INFO L93 Difference]: Finished difference Result 485 states and 731 transitions. [2022-01-31 22:32:05,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-31 22:32:05,205 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 77 [2022-01-31 22:32:05,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 22:32:05,206 INFO L225 Difference]: With dead ends: 485 [2022-01-31 22:32:05,207 INFO L226 Difference]: Without dead ends: 324 [2022-01-31 22:32:05,207 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-01-31 22:32:05,207 INFO L933 BasicCegarLoop]: 189 mSDtfsCounter, 24 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 327 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 466 SdHoareTripleChecker+Invalid, 333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 327 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-01-31 22:32:05,208 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [24 Valid, 466 Invalid, 333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 327 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-01-31 22:32:05,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2022-01-31 22:32:05,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 316. [2022-01-31 22:32:05,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316 states, 311 states have (on average 1.5080385852090032) internal successors, (469), 311 states have internal predecessors, (469), 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) [2022-01-31 22:32:05,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 473 transitions. [2022-01-31 22:32:05,218 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 473 transitions. Word has length 77 [2022-01-31 22:32:05,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 22:32:05,218 INFO L470 AbstractCegarLoop]: Abstraction has 316 states and 473 transitions. [2022-01-31 22:32:05,218 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 22:32:05,218 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 473 transitions. [2022-01-31 22:32:05,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-01-31 22:32:05,219 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 22:32:05,219 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 22:32:05,219 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-01-31 22:32:05,219 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 22:32:05,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 22:32:05,219 INFO L85 PathProgramCache]: Analyzing trace with hash 1810920690, now seen corresponding path program 1 times [2022-01-31 22:32:05,219 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 22:32:05,220 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1696504006] [2022-01-31 22:32:05,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 22:32:05,232 INFO L87 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-01-31 22:32:05,233 WARN L89 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-01-31 22:32:05,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 22:32:05,238 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 22:32:05,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 22:32:05,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 22:32:05,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 22:32:05,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 22:32:05,413 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 22:32:05,413 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1696504006] [2022-01-31 22:32:05,413 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1696504006] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 22:32:05,413 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 22:32:05,413 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-31 22:32:05,413 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543284104] [2022-01-31 22:32:05,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 22:32:05,414 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-31 22:32:05,414 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 22:32:05,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-31 22:32:05,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-31 22:32:05,414 INFO L87 Difference]: Start difference. First operand 316 states and 473 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 22:32:07,422 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-31 22:32:07,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 22:32:07,817 INFO L93 Difference]: Finished difference Result 635 states and 959 transitions. [2022-01-31 22:32:07,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-31 22:32:07,818 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (3), 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 [2022-01-31 22:32:07,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 22:32:07,820 INFO L225 Difference]: With dead ends: 635 [2022-01-31 22:32:07,820 INFO L226 Difference]: Without dead ends: 474 [2022-01-31 22:32:07,820 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-31 22:32:07,820 INFO L933 BasicCegarLoop]: 315 mSDtfsCounter, 125 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 339 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 477 SdHoareTripleChecker+Invalid, 347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 339 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-01-31 22:32:07,821 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [125 Valid, 477 Invalid, 347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 339 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-01-31 22:32:07,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2022-01-31 22:32:07,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 474. [2022-01-31 22:32:07,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 474 states, 469 states have (on average 1.5031982942430704) internal successors, (705), 469 states have internal predecessors, (705), 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) [2022-01-31 22:32:07,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 474 states and 709 transitions. [2022-01-31 22:32:07,856 INFO L78 Accepts]: Start accepts. Automaton has 474 states and 709 transitions. Word has length 78 [2022-01-31 22:32:07,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 22:32:07,872 INFO L470 AbstractCegarLoop]: Abstraction has 474 states and 709 transitions. [2022-01-31 22:32:07,872 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 22:32:07,872 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 709 transitions. [2022-01-31 22:32:07,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-01-31 22:32:07,878 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 22:32:07,878 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 22:32:07,878 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-01-31 22:32:07,878 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 22:32:07,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 22:32:07,878 INFO L85 PathProgramCache]: Analyzing trace with hash -297427541, now seen corresponding path program 1 times [2022-01-31 22:32:07,879 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 22:32:07,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1573103823] [2022-01-31 22:32:07,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 22:32:07,891 INFO L87 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-01-31 22:32:07,891 WARN L89 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-01-31 22:32:07,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 22:32:07,912 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 22:32:07,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 22:32:08,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 22:32:08,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 22:32:08,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 22:32:08,037 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 22:32:08,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1573103823] [2022-01-31 22:32:08,038 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1573103823] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 22:32:08,038 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 22:32:08,038 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-31 22:32:08,038 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133890922] [2022-01-31 22:32:08,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 22:32:08,038 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-31 22:32:08,038 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 22:32:08,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-31 22:32:08,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-31 22:32:08,039 INFO L87 Difference]: Start difference. First operand 474 states and 709 transitions. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 22:32:10,059 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-31 22:32:10,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 22:32:10,295 INFO L93 Difference]: Finished difference Result 817 states and 1223 transitions. [2022-01-31 22:32:10,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-31 22:32:10,296 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 79 [2022-01-31 22:32:10,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 22:32:10,297 INFO L225 Difference]: With dead ends: 817 [2022-01-31 22:32:10,297 INFO L226 Difference]: Without dead ends: 498 [2022-01-31 22:32:10,298 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-31 22:32:10,298 INFO L933 BasicCegarLoop]: 197 mSDtfsCounter, 15 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-01-31 22:32:10,299 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 359 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 213 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2022-01-31 22:32:10,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 498 states. [2022-01-31 22:32:10,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 498 to 498. [2022-01-31 22:32:10,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 498 states, 493 states have (on average 1.4949290060851927) internal successors, (737), 493 states have internal predecessors, (737), 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) [2022-01-31 22:32:10,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 498 states and 741 transitions. [2022-01-31 22:32:10,352 INFO L78 Accepts]: Start accepts. Automaton has 498 states and 741 transitions. Word has length 79 [2022-01-31 22:32:10,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 22:32:10,352 INFO L470 AbstractCegarLoop]: Abstraction has 498 states and 741 transitions. [2022-01-31 22:32:10,352 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 22:32:10,352 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 741 transitions. [2022-01-31 22:32:10,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-01-31 22:32:10,353 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 22:32:10,353 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 22:32:10,353 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-01-31 22:32:10,354 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 22:32:10,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 22:32:10,354 INFO L85 PathProgramCache]: Analyzing trace with hash -265685749, now seen corresponding path program 1 times [2022-01-31 22:32:10,354 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 22:32:10,354 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1562817128] [2022-01-31 22:32:10,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 22:32:10,378 INFO L87 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-01-31 22:32:10,378 WARN L89 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-01-31 22:32:10,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 22:32:10,384 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 22:32:10,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 22:32:10,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 22:32:10,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 22:32:10,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 22:32:10,518 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 22:32:10,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1562817128] [2022-01-31 22:32:10,518 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1562817128] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 22:32:10,518 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 22:32:10,519 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-31 22:32:10,519 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124745680] [2022-01-31 22:32:10,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 22:32:10,519 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-31 22:32:10,519 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 22:32:10,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-31 22:32:10,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-31 22:32:10,519 INFO L87 Difference]: Start difference. First operand 498 states and 741 transitions. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 22:32:12,529 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-31 22:32:12,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 22:32:12,948 INFO L93 Difference]: Finished difference Result 984 states and 1473 transitions. [2022-01-31 22:32:12,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-31 22:32:12,948 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 98 [2022-01-31 22:32:12,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 22:32:12,950 INFO L225 Difference]: With dead ends: 984 [2022-01-31 22:32:12,950 INFO L226 Difference]: Without dead ends: 641 [2022-01-31 22:32:12,951 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-31 22:32:12,952 INFO L933 BasicCegarLoop]: 314 mSDtfsCounter, 125 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 338 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 476 SdHoareTripleChecker+Invalid, 346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 338 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-01-31 22:32:12,952 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [125 Valid, 476 Invalid, 346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 338 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-01-31 22:32:12,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 641 states. [2022-01-31 22:32:12,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 641 to 641. [2022-01-31 22:32:12,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 641 states, 636 states have (on average 1.4952830188679245) internal successors, (951), 636 states have internal predecessors, (951), 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) [2022-01-31 22:32:12,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 955 transitions. [2022-01-31 22:32:12,969 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 955 transitions. Word has length 98 [2022-01-31 22:32:12,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 22:32:12,969 INFO L470 AbstractCegarLoop]: Abstraction has 641 states and 955 transitions. [2022-01-31 22:32:12,969 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 22:32:12,970 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 955 transitions. [2022-01-31 22:32:12,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-01-31 22:32:12,973 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 22:32:12,973 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 22:32:12,973 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-01-31 22:32:12,973 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 22:32:12,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 22:32:12,974 INFO L85 PathProgramCache]: Analyzing trace with hash -120492913, now seen corresponding path program 1 times [2022-01-31 22:32:12,974 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 22:32:12,974 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [550457549] [2022-01-31 22:32:12,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 22:32:13,004 INFO L87 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-01-31 22:32:13,004 WARN L89 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-01-31 22:32:13,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 22:32:13,014 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 22:32:13,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-31 22:32:13,766 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-31 22:32:13,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-31 22:32:13,999 INFO L133 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2022-01-31 22:32:13,999 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-31 22:32:14,002 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-31 22:32:14,003 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-01-31 22:32:14,005 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 22:32:14,007 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-01-31 22:32:14,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 10:32:14 BoogieIcfgContainer [2022-01-31 22:32:14,039 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-31 22:32:14,040 INFO L158 Benchmark]: Toolchain (without parser) took 152767.74ms. Allocated memory was 183.5MB in the beginning and 289.4MB in the end (delta: 105.9MB). Free memory was 129.8MB in the beginning and 207.5MB in the end (delta: -77.7MB). Peak memory consumption was 156.7MB. Max. memory is 8.0GB. [2022-01-31 22:32:14,040 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 183.5MB. Free memory is still 148.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-31 22:32:14,040 INFO L158 Benchmark]: CACSL2BoogieTranslator took 535.36ms. Allocated memory is still 183.5MB. Free memory was 129.7MB in the beginning and 139.1MB in the end (delta: -9.4MB). Peak memory consumption was 7.0MB. Max. memory is 8.0GB. [2022-01-31 22:32:14,040 INFO L158 Benchmark]: Boogie Preprocessor took 98.50ms. Allocated memory is still 183.5MB. Free memory was 139.1MB in the beginning and 131.8MB in the end (delta: 7.3MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2022-01-31 22:32:14,044 INFO L158 Benchmark]: RCFGBuilder took 1853.41ms. Allocated memory was 183.5MB in the beginning and 241.2MB in the end (delta: 57.7MB). Free memory was 131.8MB in the beginning and 146.1MB in the end (delta: -14.4MB). Peak memory consumption was 44.8MB. Max. memory is 8.0GB. [2022-01-31 22:32:14,044 INFO L158 Benchmark]: TraceAbstraction took 150265.70ms. Allocated memory was 241.2MB in the beginning and 289.4MB in the end (delta: 48.2MB). Free memory was 146.1MB in the beginning and 207.5MB in the end (delta: -61.3MB). Peak memory consumption was 115.4MB. Max. memory is 8.0GB. [2022-01-31 22:32:14,045 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 183.5MB. Free memory is still 148.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 535.36ms. Allocated memory is still 183.5MB. Free memory was 129.7MB in the beginning and 139.1MB in the end (delta: -9.4MB). Peak memory consumption was 7.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 98.50ms. Allocated memory is still 183.5MB. Free memory was 139.1MB in the beginning and 131.8MB in the end (delta: 7.3MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * RCFGBuilder took 1853.41ms. Allocated memory was 183.5MB in the beginning and 241.2MB in the end (delta: 57.7MB). Free memory was 131.8MB in the beginning and 146.1MB in the end (delta: -14.4MB). Peak memory consumption was 44.8MB. Max. memory is 8.0GB. * TraceAbstraction took 150265.70ms. Allocated memory was 241.2MB in the beginning and 289.4MB in the end (delta: 48.2MB). Free memory was 146.1MB in the beginning and 207.5MB in the end (delta: -61.3MB). Peak memory consumption was 115.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1665]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 1360. Possible FailurePath: [L1054] static int init = 1; [L1055] static SSL_METHOD SSLv3_client_data ; [L1077] SSL *s = (SSL*)malloc(sizeof(SSL)) ; [L1081] s->s3 = malloc(sizeof(struct ssl3_state_st)) [L1082] s->ctx = malloc(sizeof(SSL_CTX)) [L1083] s->session = malloc(sizeof(SSL_SESSION)) [L1084] s->state = 12292 [L1085] s->version = __VERIFIER_nondet_int() [L1087] s->info_callback = (void (*)()) __VERIFIER_nondet_ulong() [L1088] EXPR s->ctx [L1088] (s->ctx)->info_callback = (void (*)()) __VERIFIER_nondet_ulong() [L1089] s->init_buf = (BUF_MEM *)__VERIFIER_nondet_ulong() [L1090] s->bbio = (BIO *) __VERIFIER_nondet_ulong() [L1091] s->wbio = (BIO *) __VERIFIER_nondet_ulong() [L1092] EXPR s->s3 [L1092] (s->s3)->flags = __VERIFIER_nondet_long() [L1093] EXPR s->s3 [L1093] (s->s3)->tmp.cert_req = __VERIFIER_nondet_int() [L1094] EXPR s->s3 [L1094] (s->s3)->tmp.new_cipher = malloc(sizeof(struct ssl_cipher_st)) [L1095] EXPR s->s3 [L1095] EXPR (s->s3)->tmp.new_cipher [L1095] ((s->s3)->tmp.new_cipher)->algorithms = __VERIFIER_nondet_ulong() [L1096] EXPR s->s3 [L1096] (s->s3)->tmp.next_state = __VERIFIER_nondet_int() [L1098] CALL ssl3_connect(s) [L1104] BUF_MEM *buf ; [L1105] unsigned long tmp ; [L1106] unsigned long l ; [L1107] long num1 ; [L1108] void (*cb)() ; [L1109] int ret ; [L1110] int new_state ; [L1111] int state ; [L1112] int skip ; [L1113] int tmp___1 = __VERIFIER_nondet_int() ; [L1114] int tmp___2 = __VERIFIER_nondet_int() ; [L1115] int tmp___3 = __VERIFIER_nondet_int() ; [L1116] int tmp___4 = __VERIFIER_nondet_int() ; [L1117] int tmp___5 = __VERIFIER_nondet_int() ; [L1118] int tmp___6 = __VERIFIER_nondet_int() ; [L1119] int tmp___7 = __VERIFIER_nondet_int() ; [L1120] int tmp___8 = __VERIFIER_nondet_int() ; [L1121] long tmp___9 = __VERIFIER_nondet_long() ; [L1122] int blastFlag ; [L1125] blastFlag = 0 [L1126] s->hit=__VERIFIER_nondet_int () [L1127] s->state = 12292 [L1128] tmp = __VERIFIER_nondet_int() [L1129] cb = (void (*)())((void *)0) [L1130] ret = -1 [L1131] skip = 0 [L1132] EXPR s->info_callback [L1132] COND TRUE (unsigned long )s->info_callback != (unsigned long )((void *)0) [L1133] EXPR s->info_callback [L1133] cb = s->info_callback [L1141] EXPR s->in_handshake [L1141] s->in_handshake += 1 [L1142] COND FALSE !(tmp___1 & 12288) [L1152] COND TRUE 1 [L1154] EXPR s->state [L1154] state = s->state [L1155] EXPR s->state [L1155] COND TRUE s->state == 12292 [L1258] s->new_session = 1 [L1259] s->state = 4096 [L1260] EXPR s->ctx [L1260] EXPR (s->ctx)->stats.sess_connect_renegotiate [L1260] (s->ctx)->stats.sess_connect_renegotiate += 1 [L1265] s->server = 0 [L1266] COND TRUE (unsigned long )cb != (unsigned long )((void *)0) [L1271] EXPR s->version [L1271] COND FALSE !((s->version & 65280) != 768) [L1277] s->type = 4096 [L1278] EXPR s->init_buf [L1278] COND FALSE !((unsigned long )s->init_buf == (unsigned long )((void *)0)) [L1296] COND FALSE !(! tmp___4) [L1302] COND FALSE !(! tmp___5) [L1308] s->state = 4368 [L1309] EXPR s->ctx [L1309] EXPR (s->ctx)->stats.sess_connect [L1309] (s->ctx)->stats.sess_connect += 1 [L1310] s->init_num = 0 [L1624] EXPR s->s3 [L1624] EXPR (s->s3)->tmp.reuse_message [L1624] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1653] skip = 0 [L1152] COND TRUE 1 [L1154] EXPR s->state [L1154] state = s->state [L1155] EXPR s->state [L1155] COND FALSE !(s->state == 12292) [L1158] EXPR s->state [L1158] COND FALSE !(s->state == 16384) [L1161] EXPR s->state [L1161] COND FALSE !(s->state == 4096) [L1164] EXPR s->state [L1164] COND FALSE !(s->state == 20480) [L1167] EXPR s->state [L1167] COND FALSE !(s->state == 4099) [L1170] EXPR s->state [L1170] COND TRUE s->state == 4368 [L1314] s->shutdown = 0 [L1315] ret = __VERIFIER_nondet_int() [L1316] COND TRUE blastFlag == 0 [L1317] blastFlag = 1 [L1321] COND FALSE !(ret <= 0) [L1326] s->state = 4384 [L1327] s->init_num = 0 [L1328] EXPR s->bbio [L1328] EXPR s->wbio [L1328] COND TRUE (unsigned long )s->bbio != (unsigned long )s->wbio [L1624] EXPR s->s3 [L1624] EXPR (s->s3)->tmp.reuse_message [L1624] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1653] skip = 0 [L1152] COND TRUE 1 [L1154] EXPR s->state [L1154] state = s->state [L1155] EXPR s->state [L1155] COND FALSE !(s->state == 12292) [L1158] EXPR s->state [L1158] COND FALSE !(s->state == 16384) [L1161] EXPR s->state [L1161] COND FALSE !(s->state == 4096) [L1164] EXPR s->state [L1164] COND FALSE !(s->state == 20480) [L1167] EXPR s->state [L1167] COND FALSE !(s->state == 4099) [L1170] EXPR s->state [L1170] COND FALSE !(s->state == 4368) [L1173] EXPR s->state [L1173] COND FALSE !(s->state == 4369) [L1176] EXPR s->state [L1176] COND TRUE s->state == 4384 [L1336] ret = __VERIFIER_nondet_int() [L1337] COND TRUE blastFlag == 1 [L1338] blastFlag = 2 [L1346] COND FALSE !(ret <= 0) [L1351] s->hit [L1351] COND FALSE !(s->hit) [L1354] s->state = 4400 [L1356] s->init_num = 0 [L1624] EXPR s->s3 [L1624] EXPR (s->s3)->tmp.reuse_message [L1624] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1653] skip = 0 [L1152] COND TRUE 1 [L1154] EXPR s->state [L1154] state = s->state [L1155] EXPR s->state [L1155] COND FALSE !(s->state == 12292) [L1158] EXPR s->state [L1158] COND FALSE !(s->state == 16384) [L1161] EXPR s->state [L1161] COND FALSE !(s->state == 4096) [L1164] EXPR s->state [L1164] COND FALSE !(s->state == 20480) [L1167] EXPR s->state [L1167] COND FALSE !(s->state == 4099) [L1170] EXPR s->state [L1170] COND FALSE !(s->state == 4368) [L1173] EXPR s->state [L1173] COND FALSE !(s->state == 4369) [L1176] EXPR s->state [L1176] COND FALSE !(s->state == 4384) [L1179] EXPR s->state [L1179] COND FALSE !(s->state == 4385) [L1182] EXPR s->state [L1182] COND TRUE s->state == 4400 [L1360] EXPR s->s3 [L1360] EXPR (s->s3)->tmp.new_cipher [L1360] EXPR ((s->s3)->tmp.new_cipher)->algorithms [L1360] COND FALSE !(((s->s3)->tmp.new_cipher)->algorithms & 256UL) [L1363] ret = __VERIFIER_nondet_int() [L1364] COND TRUE blastFlag == 2 [L1365] blastFlag = 3 [L1369] COND FALSE !(ret <= 0) [L1375] s->state = 4416 [L1376] s->init_num = 0 [L1624] EXPR s->s3 [L1624] EXPR (s->s3)->tmp.reuse_message [L1624] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1653] skip = 0 [L1152] COND TRUE 1 [L1154] EXPR s->state [L1154] state = s->state [L1155] EXPR s->state [L1155] COND FALSE !(s->state == 12292) [L1158] EXPR s->state [L1158] COND FALSE !(s->state == 16384) [L1161] EXPR s->state [L1161] COND FALSE !(s->state == 4096) [L1164] EXPR s->state [L1164] COND FALSE !(s->state == 20480) [L1167] EXPR s->state [L1167] COND FALSE !(s->state == 4099) [L1170] EXPR s->state [L1170] COND FALSE !(s->state == 4368) [L1173] EXPR s->state [L1173] COND FALSE !(s->state == 4369) [L1176] EXPR s->state [L1176] COND FALSE !(s->state == 4384) [L1179] EXPR s->state [L1179] COND FALSE !(s->state == 4385) [L1182] EXPR s->state [L1182] COND FALSE !(s->state == 4400) [L1185] EXPR s->state [L1185] COND FALSE !(s->state == 4401) [L1188] EXPR s->state [L1188] COND TRUE s->state == 4416 [L1380] ret = __VERIFIER_nondet_int() [L1381] COND TRUE blastFlag == 3 [L1382] blastFlag = 4 [L1386] COND FALSE !(ret <= 0) [L1391] s->state = 4432 [L1392] s->init_num = 0 [L1393] COND FALSE !(! tmp___6) [L1624] EXPR s->s3 [L1624] EXPR (s->s3)->tmp.reuse_message [L1624] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1653] skip = 0 [L1152] COND TRUE 1 [L1154] EXPR s->state [L1154] state = s->state [L1155] EXPR s->state [L1155] COND FALSE !(s->state == 12292) [L1158] EXPR s->state [L1158] COND FALSE !(s->state == 16384) [L1161] EXPR s->state [L1161] COND FALSE !(s->state == 4096) [L1164] EXPR s->state [L1164] COND FALSE !(s->state == 20480) [L1167] EXPR s->state [L1167] COND FALSE !(s->state == 4099) [L1170] EXPR s->state [L1170] COND FALSE !(s->state == 4368) [L1173] EXPR s->state [L1173] COND FALSE !(s->state == 4369) [L1176] EXPR s->state [L1176] COND FALSE !(s->state == 4384) [L1179] EXPR s->state [L1179] COND FALSE !(s->state == 4385) [L1182] EXPR s->state [L1182] COND FALSE !(s->state == 4400) [L1185] EXPR s->state [L1185] COND FALSE !(s->state == 4401) [L1188] EXPR s->state [L1188] COND FALSE !(s->state == 4416) [L1191] EXPR s->state [L1191] COND FALSE !(s->state == 4417) [L1194] EXPR s->state [L1194] COND TRUE s->state == 4432 [L1402] ret = __VERIFIER_nondet_int() [L1403] COND TRUE blastFlag == 4 [L1665] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 169 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 150.2s, OverallIterations: 13, TraceHistogramMax: 6, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 34.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 14 mSolverCounterUnknown, 868 SdHoareTripleChecker+Valid, 33.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 868 mSDsluCounter, 4941 SdHoareTripleChecker+Invalid, 32.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2661 mSDsCounter, 192 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3939 IncrementalHoareTripleChecker+Invalid, 4145 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 192 mSolverCounterUnsat, 2280 mSDtfsCounter, 3939 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 77 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=641occurred in iteration=12, InterpolantAutomatonStates: 56, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 12 MinimizatonAttempts, 510 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-01-31 22:32:14,066 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...