/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/acceleratedInterpolationQvasr_64.epf -i ../../../trunk/examples/svcomp/openssl/s3_clnt.blast.02.i.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-5d317bd [2022-03-19 13:41:19,969 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-19 13:41:19,971 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-19 13:41:20,007 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-19 13:41:20,008 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-19 13:41:20,009 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-19 13:41:20,012 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-19 13:41:20,014 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-19 13:41:20,015 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-19 13:41:20,019 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-19 13:41:20,019 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-19 13:41:20,020 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-19 13:41:20,021 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-19 13:41:20,022 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-19 13:41:20,023 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-19 13:41:20,025 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-19 13:41:20,026 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-19 13:41:20,026 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-19 13:41:20,028 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-19 13:41:20,031 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-19 13:41:20,033 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-03-19 13:41:20,034 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-19 13:41:20,035 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-19 13:41:20,035 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-19 13:41:20,036 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-19 13:41:20,041 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-19 13:41:20,047 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-19 13:41:20,048 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-19 13:41:20,049 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-19 13:41:20,049 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationQvasr_64.epf [2022-03-19 13:41:20,058 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-19 13:41:20,058 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-19 13:41:20,059 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-19 13:41:20,059 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-19 13:41:20,059 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-19 13:41:20,059 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-19 13:41:20,059 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-19 13:41:20,060 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-19 13:41:20,060 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-19 13:41:20,060 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-19 13:41:20,060 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-19 13:41:20,061 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-19 13:41:20,061 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-19 13:41:20,061 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-19 13:41:20,061 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-19 13:41:20,061 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-19 13:41:20,061 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-19 13:41:20,061 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2022-03-19 13:41:20,061 INFO L138 SettingsManager]: * Trace refinement strategy=ACCELERATED_INTERPOLATION [2022-03-19 13:41:20,061 INFO L138 SettingsManager]: * Trace refinement strategy used in Accelerated Interpolation=CAMEL [2022-03-19 13:41:20,062 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-19 13:41:20,062 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=QVASR [2022-03-19 13:41:20,062 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-03-19 13:41:20,255 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-19 13:41:20,286 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-19 13:41:20,288 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-19 13:41:20,288 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-19 13:41:20,289 INFO L275 PluginConnector]: CDTParser initialized [2022-03-19 13:41:20,290 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/openssl/s3_clnt.blast.02.i.cil-1.c [2022-03-19 13:41:20,345 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa937f846/3114545e1f994afdb6fb197b84f6f828/FLAG0accf6f08 [2022-03-19 13:41:20,763 INFO L306 CDTParser]: Found 1 translation units. [2022-03-19 13:41:20,763 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/openssl/s3_clnt.blast.02.i.cil-1.c [2022-03-19 13:41:20,785 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa937f846/3114545e1f994afdb6fb197b84f6f828/FLAG0accf6f08 [2022-03-19 13:41:21,119 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa937f846/3114545e1f994afdb6fb197b84f6f828 [2022-03-19 13:41:21,121 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-19 13:41:21,123 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-19 13:41:21,125 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-19 13:41:21,125 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-19 13:41:21,128 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-19 13:41:21,129 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.03 01:41:21" (1/1) ... [2022-03-19 13:41:21,130 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e269bff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 01:41:21, skipping insertion in model container [2022-03-19 13:41:21,130 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.03 01:41:21" (1/1) ... [2022-03-19 13:41:21,135 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-19 13:41:21,183 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-19 13:41:21,452 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.02.i.cil-1.c[65397,65410] [2022-03-19 13:41:21,458 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-19 13:41:21,478 INFO L203 MainTranslator]: Completed pre-run [2022-03-19 13:41:21,579 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.02.i.cil-1.c[65397,65410] [2022-03-19 13:41:21,581 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-19 13:41:21,617 INFO L208 MainTranslator]: Completed translation [2022-03-19 13:41:21,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 01:41:21 WrapperNode [2022-03-19 13:41:21,618 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-19 13:41:21,619 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-19 13:41:21,619 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-19 13:41:21,619 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-19 13:41:21,629 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 01:41:21" (1/1) ... [2022-03-19 13:41:21,629 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 01:41:21" (1/1) ... [2022-03-19 13:41:21,649 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 01:41:21" (1/1) ... [2022-03-19 13:41:21,650 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 01:41:21" (1/1) ... [2022-03-19 13:41:21,701 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 01:41:21" (1/1) ... [2022-03-19 13:41:21,714 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 01:41:21" (1/1) ... [2022-03-19 13:41:21,717 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 01:41:21" (1/1) ... [2022-03-19 13:41:21,721 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-19 13:41:21,721 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-19 13:41:21,721 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-19 13:41:21,721 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-19 13:41:21,728 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 01:41:21" (1/1) ... [2022-03-19 13:41:21,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-19 13:41:21,741 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-19 13:41:21,750 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-19 13:41:21,765 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-19 13:41:21,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-03-19 13:41:21,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-19 13:41:21,793 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-03-19 13:41:21,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_get_client_method [2022-03-19 13:41:21,793 INFO L138 BoogieDeclarations]: Found implementation of procedure SSLv3_client_method [2022-03-19 13:41:21,794 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-03-19 13:41:21,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_connect [2022-03-19 13:41:21,794 INFO L138 BoogieDeclarations]: Found implementation of procedure sslv3_base_method [2022-03-19 13:41:21,794 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-03-19 13:41:21,794 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-03-19 13:41:21,794 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-03-19 13:41:21,794 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-03-19 13:41:21,794 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-03-19 13:41:21,795 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-19 13:41:21,795 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2022-03-19 13:41:21,796 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2022-03-19 13:41:21,796 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-03-19 13:41:21,797 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2022-03-19 13:41:21,797 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2022-03-19 13:41:21,797 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2022-03-19 13:41:21,797 INFO L130 BoogieDeclarations]: Found specification of procedure SSLv3_client_method [2022-03-19 13:41:21,797 INFO L130 BoogieDeclarations]: Found specification of procedure sslv3_base_method [2022-03-19 13:41:21,797 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_connect [2022-03-19 13:41:21,797 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_get_client_method [2022-03-19 13:41:21,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-03-19 13:41:21,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-03-19 13:41:21,797 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-03-19 13:41:21,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-03-19 13:41:21,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-19 13:41:21,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-03-19 13:41:21,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-19 13:41:21,798 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2022-03-19 13:41:21,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-03-19 13:41:21,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-03-19 13:41:21,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-19 13:41:21,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-19 13:41:21,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-03-19 13:41:21,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-03-19 13:41:21,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-03-19 13:41:21,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-03-19 13:41:21,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-19 13:41:21,916 INFO L234 CfgBuilder]: Building ICFG [2022-03-19 13:41:21,917 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-19 13:41:23,256 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-03-19 13:41:23,586 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2022-03-19 13:41:23,586 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2022-03-19 13:41:23,608 INFO L275 CfgBuilder]: Performing block encoding [2022-03-19 13:41:23,627 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-19 13:41:23,631 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-03-19 13:41:23,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.03 01:41:23 BoogieIcfgContainer [2022-03-19 13:41:23,633 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-19 13:41:23,634 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-19 13:41:23,634 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-19 13:41:23,649 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-19 13:41:23,650 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.03 01:41:21" (1/3) ... [2022-03-19 13:41:23,650 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12c4871 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.03 01:41:23, skipping insertion in model container [2022-03-19 13:41:23,650 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 01:41:21" (2/3) ... [2022-03-19 13:41:23,650 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12c4871 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.03 01:41:23, skipping insertion in model container [2022-03-19 13:41:23,651 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.03 01:41:23" (3/3) ... [2022-03-19 13:41:23,651 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_clnt.blast.02.i.cil-1.c [2022-03-19 13:41:23,655 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-03-19 13:41:23,655 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-19 13:41:23,687 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-19 13:41:23,707 INFO L340 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=Craig_NestedInterpolation, 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 [2022-03-19 13:41:23,707 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-03-19 13:41:23,720 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) [2022-03-19 13:41:23,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-03-19 13:41:23,726 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 13:41:23,726 INFO L500 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-19 13:41:23,726 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 13:41:23,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 13:41:23,729 INFO L85 PathProgramCache]: Analyzing trace with hash -22644822, now seen corresponding path program 1 times [2022-03-19 13:41:23,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-03-19 13:41:23,737 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1181990494] [2022-03-19 13:41:23,745 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-03-19 13:41:23,746 INFO L85 PathProgramCache]: Analyzing trace with hash -22644822, now seen corresponding path program 2 times [2022-03-19 13:41:23,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 13:41:23,747 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271360637] [2022-03-19 13:41:23,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 13:41:23,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 13:41:24,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 13:41:24,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 13:41:24,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 13:41:24,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-19 13:41:24,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 13:41:24,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271360637] [2022-03-19 13:41:24,217 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271360637] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 13:41:24,218 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 13:41:24,218 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-19 13:41:24,219 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-03-19 13:41:24,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1181990494] [2022-03-19 13:41:24,220 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1181990494] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 13:41:24,220 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 13:41:24,220 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-19 13:41:24,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180353687] [2022-03-19 13:41:24,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 13:41:24,224 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-19 13:41:24,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-03-19 13:41:24,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-19 13:41:24,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-19 13:41:24,248 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) [2022-03-19 13:41:26,278 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 [] [2022-03-19 13:41:26,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 13:41:26,744 INFO L93 Difference]: Finished difference Result 267 states and 442 transitions. [2022-03-19 13:41:26,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-19 13:41:26,746 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 [2022-03-19 13:41:26,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 13:41:26,752 INFO L225 Difference]: With dead ends: 267 [2022-03-19 13:41:26,752 INFO L226 Difference]: Without dead ends: 122 [2022-03-19 13:41:26,754 INFO L911 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 [2022-03-19 13:41:26,763 INFO L912 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 [2022-03-19 13:41:26,763 INFO L913 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] [2022-03-19 13:41:26,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2022-03-19 13:41:26,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 121. [2022-03-19 13:41:26,796 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) [2022-03-19 13:41:26,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 178 transitions. [2022-03-19 13:41:26,798 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 178 transitions. Word has length 30 [2022-03-19 13:41:26,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 13:41:26,798 INFO L478 AbstractCegarLoop]: Abstraction has 121 states and 178 transitions. [2022-03-19 13:41:26,798 INFO L479 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) [2022-03-19 13:41:26,798 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 178 transitions. [2022-03-19 13:41:26,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-03-19 13:41:26,799 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 13:41:26,799 INFO L500 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] [2022-03-19 13:41:26,799 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-19 13:41:26,800 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 13:41:26,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 13:41:26,800 INFO L85 PathProgramCache]: Analyzing trace with hash 868047042, now seen corresponding path program 1 times [2022-03-19 13:41:26,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-03-19 13:41:26,800 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [831105469] [2022-03-19 13:41:26,801 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-03-19 13:41:26,801 INFO L85 PathProgramCache]: Analyzing trace with hash 868047042, now seen corresponding path program 2 times [2022-03-19 13:41:26,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 13:41:26,801 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229769043] [2022-03-19 13:41:26,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 13:41:26,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 13:41:26,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 13:41:27,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 13:41:27,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 13:41:27,049 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-19 13:41:27,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 13:41:27,052 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229769043] [2022-03-19 13:41:27,052 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229769043] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 13:41:27,056 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 13:41:27,056 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-19 13:41:27,057 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-03-19 13:41:27,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [831105469] [2022-03-19 13:41:27,057 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [831105469] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 13:41:27,057 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 13:41:27,057 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-19 13:41:27,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759564900] [2022-03-19 13:41:27,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 13:41:27,058 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-19 13:41:27,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-03-19 13:41:27,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-19 13:41:27,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-19 13:41:27,059 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) [2022-03-19 13:41:29,071 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 [] [2022-03-19 13:41:29,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 13:41:29,301 INFO L93 Difference]: Finished difference Result 326 states and 488 transitions. [2022-03-19 13:41:29,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-19 13:41:29,302 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 [2022-03-19 13:41:29,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 13:41:29,304 INFO L225 Difference]: With dead ends: 326 [2022-03-19 13:41:29,304 INFO L226 Difference]: Without dead ends: 221 [2022-03-19 13:41:29,304 INFO L911 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 [2022-03-19 13:41:29,305 INFO L912 BasicCegarLoop]: 167 mSDtfsCounter, 123 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-03-19 13:41:29,305 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [123 Valid, 320 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 189 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2022-03-19 13:41:29,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2022-03-19 13:41:29,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 221. [2022-03-19 13:41:29,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 216 states have (on average 1.4861111111111112) internal successors, (321), 216 states have internal predecessors, (321), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 13:41:29,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 325 transitions. [2022-03-19 13:41:29,325 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 325 transitions. Word has length 44 [2022-03-19 13:41:29,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 13:41:29,325 INFO L478 AbstractCegarLoop]: Abstraction has 221 states and 325 transitions. [2022-03-19 13:41:29,325 INFO L479 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) [2022-03-19 13:41:29,325 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 325 transitions. [2022-03-19 13:41:29,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-03-19 13:41:29,327 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 13:41:29,327 INFO L500 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] [2022-03-19 13:41:29,327 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-19 13:41:29,327 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 13:41:29,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 13:41:29,327 INFO L85 PathProgramCache]: Analyzing trace with hash 1147706284, now seen corresponding path program 1 times [2022-03-19 13:41:29,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-03-19 13:41:29,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1452113818] [2022-03-19 13:41:29,328 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-03-19 13:41:29,328 INFO L85 PathProgramCache]: Analyzing trace with hash 1147706284, now seen corresponding path program 2 times [2022-03-19 13:41:29,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 13:41:29,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032043864] [2022-03-19 13:41:29,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 13:41:29,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 13:41:29,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 13:41:29,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 13:41:29,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 13:41:29,473 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-19 13:41:29,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 13:41:29,474 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032043864] [2022-03-19 13:41:29,474 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032043864] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 13:41:29,474 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 13:41:29,474 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-19 13:41:29,474 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-03-19 13:41:29,474 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1452113818] [2022-03-19 13:41:29,474 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1452113818] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 13:41:29,474 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 13:41:29,474 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-19 13:41:29,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701431067] [2022-03-19 13:41:29,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 13:41:29,475 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-19 13:41:29,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-03-19 13:41:29,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-19 13:41:29,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-19 13:41:29,476 INFO L87 Difference]: Start difference. First operand 221 states and 325 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) [2022-03-19 13:41:31,491 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 [] [2022-03-19 13:41:31,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 13:41:31,789 INFO L93 Difference]: Finished difference Result 608 states and 905 transitions. [2022-03-19 13:41:31,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-19 13:41:31,790 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 [2022-03-19 13:41:31,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 13:41:31,792 INFO L225 Difference]: With dead ends: 608 [2022-03-19 13:41:31,792 INFO L226 Difference]: Without dead ends: 403 [2022-03-19 13:41:31,793 INFO L911 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 [2022-03-19 13:41:31,793 INFO L912 BasicCegarLoop]: 97 mSDtfsCounter, 106 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 383 mSolverCounterSat, 44 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s 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, 2.3s IncrementalHoareTripleChecker+Time [2022-03-19 13:41:31,796 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [106 Valid, 279 Invalid, 428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 383 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-03-19 13:41:31,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2022-03-19 13:41:31,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 269. [2022-03-19 13:41:31,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269 states, 264 states have (on average 1.5340909090909092) internal successors, (405), 264 states have internal predecessors, (405), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 13:41:31,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 409 transitions. [2022-03-19 13:41:31,821 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 409 transitions. Word has length 59 [2022-03-19 13:41:31,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 13:41:31,821 INFO L478 AbstractCegarLoop]: Abstraction has 269 states and 409 transitions. [2022-03-19 13:41:31,822 INFO L479 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) [2022-03-19 13:41:31,822 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 409 transitions. [2022-03-19 13:41:31,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-03-19 13:41:31,839 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 13:41:31,840 INFO L500 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] [2022-03-19 13:41:31,840 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-19 13:41:31,840 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 13:41:31,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 13:41:31,840 INFO L85 PathProgramCache]: Analyzing trace with hash 1214470671, now seen corresponding path program 1 times [2022-03-19 13:41:31,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-03-19 13:41:31,841 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [363818297] [2022-03-19 13:41:31,841 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-03-19 13:41:31,841 INFO L85 PathProgramCache]: Analyzing trace with hash 1214470671, now seen corresponding path program 2 times [2022-03-19 13:41:31,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 13:41:31,841 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772624708] [2022-03-19 13:41:31,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 13:41:31,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 13:41:31,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 13:41:32,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 13:41:32,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 13:41:32,045 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-19 13:41:32,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 13:41:32,045 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772624708] [2022-03-19 13:41:32,045 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772624708] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 13:41:32,045 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 13:41:32,045 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-19 13:41:32,046 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-03-19 13:41:32,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [363818297] [2022-03-19 13:41:32,046 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [363818297] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 13:41:32,046 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 13:41:32,046 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-19 13:41:32,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508678418] [2022-03-19 13:41:32,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 13:41:32,046 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-19 13:41:32,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-03-19 13:41:32,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-19 13:41:32,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-19 13:41:32,047 INFO L87 Difference]: Start difference. First operand 269 states and 409 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) [2022-03-19 13:41:34,063 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 [] [2022-03-19 13:41:34,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 13:41:34,487 INFO L93 Difference]: Finished difference Result 704 states and 1073 transitions. [2022-03-19 13:41:34,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-19 13:41:34,487 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 [2022-03-19 13:41:34,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 13:41:34,489 INFO L225 Difference]: With dead ends: 704 [2022-03-19 13:41:34,489 INFO L226 Difference]: Without dead ends: 451 [2022-03-19 13:41:34,490 INFO L911 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 [2022-03-19 13:41:34,491 INFO L912 BasicCegarLoop]: 97 mSDtfsCounter, 106 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 382 mSolverCounterSat, 46 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 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 [2022-03-19 13:41:34,491 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [106 Valid, 278 Invalid, 429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 382 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-19 13:41:34,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2022-03-19 13:41:34,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 319. [2022-03-19 13:41:34,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 314 states have (on average 1.570063694267516) internal successors, (493), 314 states have internal predecessors, (493), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 13:41:34,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 497 transitions. [2022-03-19 13:41:34,507 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 497 transitions. Word has length 60 [2022-03-19 13:41:34,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 13:41:34,508 INFO L478 AbstractCegarLoop]: Abstraction has 319 states and 497 transitions. [2022-03-19 13:41:34,508 INFO L479 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) [2022-03-19 13:41:34,508 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 497 transitions. [2022-03-19 13:41:34,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-03-19 13:41:34,510 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 13:41:34,510 INFO L500 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-19 13:41:34,510 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-19 13:41:34,510 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 13:41:34,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 13:41:34,511 INFO L85 PathProgramCache]: Analyzing trace with hash -2050349165, now seen corresponding path program 1 times [2022-03-19 13:41:34,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-03-19 13:41:34,511 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [974057399] [2022-03-19 13:41:34,511 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-03-19 13:41:34,511 INFO L85 PathProgramCache]: Analyzing trace with hash -2050349165, now seen corresponding path program 2 times [2022-03-19 13:41:34,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 13:41:34,512 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633141266] [2022-03-19 13:41:34,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 13:41:34,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 13:41:34,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 13:41:34,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 13:41:34,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 13:41:34,676 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-19 13:41:34,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 13:41:34,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633141266] [2022-03-19 13:41:34,677 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633141266] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 13:41:34,677 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 13:41:34,677 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-19 13:41:34,677 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-03-19 13:41:34,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [974057399] [2022-03-19 13:41:34,677 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [974057399] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 13:41:34,677 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 13:41:34,677 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-19 13:41:34,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476777555] [2022-03-19 13:41:34,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 13:41:34,678 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-19 13:41:34,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-03-19 13:41:34,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-19 13:41:34,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-19 13:41:34,678 INFO L87 Difference]: Start difference. First operand 319 states and 497 transitions. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 3 states have internal predecessors, (74), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 13:41:36,686 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 [] [2022-03-19 13:41:37,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 13:41:37,054 INFO L93 Difference]: Finished difference Result 622 states and 980 transitions. [2022-03-19 13:41:37,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-19 13:41:37,054 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 3 states have internal predecessors, (74), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 80 [2022-03-19 13:41:37,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 13:41:37,056 INFO L225 Difference]: With dead ends: 622 [2022-03-19 13:41:37,056 INFO L226 Difference]: Without dead ends: 468 [2022-03-19 13:41:37,057 INFO L911 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 [2022-03-19 13:41:37,057 INFO L912 BasicCegarLoop]: 307 mSDtfsCounter, 126 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 331 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 331 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-03-19 13:41:37,057 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [126 Valid, 469 Invalid, 339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 331 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-03-19 13:41:37,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 468 states. [2022-03-19 13:41:37,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 468 to 468. [2022-03-19 13:41:37,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 468 states, 463 states have (on average 1.568034557235421) internal successors, (726), 463 states have internal predecessors, (726), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 13:41:37,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 730 transitions. [2022-03-19 13:41:37,072 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 730 transitions. Word has length 80 [2022-03-19 13:41:37,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 13:41:37,072 INFO L478 AbstractCegarLoop]: Abstraction has 468 states and 730 transitions. [2022-03-19 13:41:37,073 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 3 states have internal predecessors, (74), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 13:41:37,073 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 730 transitions. [2022-03-19 13:41:37,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-03-19 13:41:37,075 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 13:41:37,075 INFO L500 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-19 13:41:37,075 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-19 13:41:37,075 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 13:41:37,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 13:41:37,075 INFO L85 PathProgramCache]: Analyzing trace with hash 684039926, now seen corresponding path program 1 times [2022-03-19 13:41:37,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-03-19 13:41:37,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1500725796] [2022-03-19 13:41:37,076 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-03-19 13:41:37,076 INFO L85 PathProgramCache]: Analyzing trace with hash 684039926, now seen corresponding path program 2 times [2022-03-19 13:41:37,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 13:41:37,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045447452] [2022-03-19 13:41:37,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 13:41:37,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 13:41:37,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 13:41:37,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 13:41:37,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 13:41:37,206 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-03-19 13:41:37,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 13:41:37,206 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045447452] [2022-03-19 13:41:37,206 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2045447452] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 13:41:37,207 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 13:41:37,207 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-19 13:41:37,207 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-03-19 13:41:37,207 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1500725796] [2022-03-19 13:41:37,207 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1500725796] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 13:41:37,207 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 13:41:37,207 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-19 13:41:37,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140822171] [2022-03-19 13:41:37,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 13:41:37,208 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-19 13:41:37,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-03-19 13:41:37,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-19 13:41:37,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-19 13:41:37,209 INFO L87 Difference]: Start difference. First operand 468 states and 730 transitions. Second operand has 4 states, 4 states have (on average 20.5) internal successors, (82), 3 states have internal predecessors, (82), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 13:41:39,217 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 [] [2022-03-19 13:41:39,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 13:41:39,604 INFO L93 Difference]: Finished difference Result 922 states and 1449 transitions. [2022-03-19 13:41:39,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-19 13:41:39,604 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 3 states have internal predecessors, (82), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 98 [2022-03-19 13:41:39,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 13:41:39,606 INFO L225 Difference]: With dead ends: 922 [2022-03-19 13:41:39,606 INFO L226 Difference]: Without dead ends: 619 [2022-03-19 13:41:39,607 INFO L911 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 [2022-03-19 13:41:39,607 INFO L912 BasicCegarLoop]: 315 mSDtfsCounter, 128 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 339 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 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 [2022-03-19 13:41:39,608 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [128 Valid, 477 Invalid, 347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 339 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-19 13:41:39,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 619 states. [2022-03-19 13:41:39,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 619 to 619. [2022-03-19 13:41:39,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 619 states, 614 states have (on average 1.5667752442996743) internal successors, (962), 614 states have internal predecessors, (962), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 13:41:39,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 619 states and 966 transitions. [2022-03-19 13:41:39,626 INFO L78 Accepts]: Start accepts. Automaton has 619 states and 966 transitions. Word has length 98 [2022-03-19 13:41:39,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 13:41:39,627 INFO L478 AbstractCegarLoop]: Abstraction has 619 states and 966 transitions. [2022-03-19 13:41:39,627 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 3 states have internal predecessors, (82), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 13:41:39,627 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 966 transitions. [2022-03-19 13:41:39,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-03-19 13:41:39,628 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 13:41:39,628 INFO L500 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] [2022-03-19 13:41:39,628 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-03-19 13:41:39,629 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 13:41:39,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 13:41:39,629 INFO L85 PathProgramCache]: Analyzing trace with hash -2136926065, now seen corresponding path program 1 times [2022-03-19 13:41:39,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-03-19 13:41:39,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1642298628] [2022-03-19 13:41:39,629 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-03-19 13:41:39,630 INFO L85 PathProgramCache]: Analyzing trace with hash -2136926065, now seen corresponding path program 2 times [2022-03-19 13:41:39,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 13:41:39,630 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75629397] [2022-03-19 13:41:39,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 13:41:39,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 13:41:41,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-19 13:41:41,402 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-19 13:41:41,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-19 13:41:41,651 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-19 13:41:41,651 INFO L130 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found a feasible trace [2022-03-19 13:41:41,651 INFO L614 BasicCegarLoop]: Counterexample is feasible [2022-03-19 13:41:41,655 INFO L788 garLoopResultBuilder]: Registering result UNSAFE for location ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-03-19 13:41:41,656 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-03-19 13:41:41,662 INFO L718 BasicCegarLoop]: Path program histogram: [2, 2, 2, 2, 2, 2, 2] [2022-03-19 13:41:41,664 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-19 13:41:41,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.03 01:41:41 BoogieIcfgContainer [2022-03-19 13:41:41,686 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-19 13:41:41,687 INFO L158 Benchmark]: Toolchain (without parser) took 20564.11ms. Allocated memory was 158.3MB in the beginning and 282.1MB in the end (delta: 123.7MB). Free memory was 100.9MB in the beginning and 145.4MB in the end (delta: -44.4MB). Peak memory consumption was 146.5MB. Max. memory is 8.0GB. [2022-03-19 13:41:41,687 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 158.3MB. Free memory was 119.5MB in the beginning and 119.4MB in the end (delta: 140.0kB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-19 13:41:41,687 INFO L158 Benchmark]: CACSL2BoogieTranslator took 492.98ms. Allocated memory was 158.3MB in the beginning and 195.0MB in the end (delta: 36.7MB). Free memory was 100.8MB in the beginning and 147.5MB in the end (delta: -46.7MB). Peak memory consumption was 16.0MB. Max. memory is 8.0GB. [2022-03-19 13:41:41,687 INFO L158 Benchmark]: Boogie Preprocessor took 102.06ms. Allocated memory is still 195.0MB. Free memory was 147.0MB in the beginning and 140.2MB in the end (delta: 6.8MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2022-03-19 13:41:41,688 INFO L158 Benchmark]: RCFGBuilder took 1911.88ms. Allocated memory is still 195.0MB. Free memory was 140.2MB in the beginning and 128.9MB in the end (delta: 11.2MB). Peak memory consumption was 58.7MB. Max. memory is 8.0GB. [2022-03-19 13:41:41,688 INFO L158 Benchmark]: TraceAbstraction took 18052.36ms. Allocated memory was 195.0MB in the beginning and 282.1MB in the end (delta: 87.0MB). Free memory was 128.4MB in the beginning and 145.4MB in the end (delta: -17.0MB). Peak memory consumption was 137.2MB. Max. memory is 8.0GB. [2022-03-19 13:41:41,689 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 158.3MB. Free memory was 119.5MB in the beginning and 119.4MB in the end (delta: 140.0kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 492.98ms. Allocated memory was 158.3MB in the beginning and 195.0MB in the end (delta: 36.7MB). Free memory was 100.8MB in the beginning and 147.5MB in the end (delta: -46.7MB). Peak memory consumption was 16.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 102.06ms. Allocated memory is still 195.0MB. Free memory was 147.0MB in the beginning and 140.2MB in the end (delta: 6.8MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * RCFGBuilder took 1911.88ms. Allocated memory is still 195.0MB. Free memory was 140.2MB in the beginning and 128.9MB in the end (delta: 11.2MB). Peak memory consumption was 58.7MB. Max. memory is 8.0GB. * TraceAbstraction took 18052.36ms. Allocated memory was 195.0MB in the beginning and 282.1MB in the end (delta: 87.0MB). Free memory was 128.4MB in the beginning and 145.4MB in the end (delta: -17.0MB). Peak memory consumption was 137.2MB. 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 [L1325] COND FALSE !(ret <= 0) [L1330] s->state = 4384 [L1331] s->init_num = 0 [L1332] EXPR s->bbio [L1332] EXPR s->wbio [L1332] 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 [L1340] ret = __VERIFIER_nondet_int() [L1341] COND TRUE blastFlag == 1 [L1342] 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: 18.0s, OverallIterations: 7, TraceHistogramMax: 6, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 14.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 6 mSolverCounterUnknown, 596 SdHoareTripleChecker+Valid, 14.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 596 mSDsluCounter, 2378 SdHoareTripleChecker+Invalid, 13.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1182 mSDsCounter, 113 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1944 IncrementalHoareTripleChecker+Invalid, 2063 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 113 mSolverCounterUnsat, 1196 mSDtfsCounter, 1944 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=619occurred in iteration=6, InterpolantAutomatonStates: 27, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 267 StatesRemovedByMinimization, 3 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 [2022-03-19 13:41:41,716 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...