/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf -i ../../../trunk/examples/svcomp/openssl/s3_clnt.blast.02.i.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-6c470ae [2022-02-15 03:02:12,990 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-15 03:02:13,021 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-15 03:02:13,050 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-15 03:02:13,051 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-15 03:02:13,051 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-15 03:02:13,052 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-15 03:02:13,053 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-15 03:02:13,054 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-15 03:02:13,055 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-15 03:02:13,055 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-15 03:02:13,056 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-15 03:02:13,056 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-15 03:02:13,057 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-15 03:02:13,058 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-15 03:02:13,058 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-15 03:02:13,059 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-15 03:02:13,059 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-15 03:02:13,060 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-15 03:02:13,061 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-15 03:02:13,062 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-15 03:02:13,066 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-15 03:02:13,066 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-15 03:02:13,067 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-15 03:02:13,069 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-15 03:02:13,069 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-15 03:02:13,069 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-15 03:02:13,070 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-15 03:02:13,070 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-15 03:02:13,071 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-15 03:02:13,071 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-15 03:02:13,072 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-15 03:02:13,072 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-15 03:02:13,073 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-15 03:02:13,073 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-15 03:02:13,073 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-15 03:02:13,074 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-15 03:02:13,074 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-15 03:02:13,074 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-15 03:02:13,075 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-15 03:02:13,075 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-15 03:02:13,080 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf [2022-02-15 03:02:13,091 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-15 03:02:13,092 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-15 03:02:13,092 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-15 03:02:13,093 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-15 03:02:13,093 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-15 03:02:13,093 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-15 03:02:13,093 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-15 03:02:13,093 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-15 03:02:13,093 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-15 03:02:13,093 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-15 03:02:13,093 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-15 03:02:13,093 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-15 03:02:13,093 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-15 03:02:13,093 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-15 03:02:13,094 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-15 03:02:13,094 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-15 03:02:13,094 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-15 03:02:13,094 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-15 03:02:13,094 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-15 03:02:13,094 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-15 03:02:13,094 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2022-02-15 03:02:13,094 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-15 03:02:13,094 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=JORDAN [2022-02-15 03:02:13,094 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-02-15 03:02:13,267 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-15 03:02:13,282 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-15 03:02:13,284 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-15 03:02:13,284 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-15 03:02:13,285 INFO L275 PluginConnector]: CDTParser initialized [2022-02-15 03:02:13,286 INFO L432 ainManager$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 [2022-02-15 03:02:13,355 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/484546633/8541be1e60744f46ba0b40cdbe384872/FLAG83e44c970 [2022-02-15 03:02:13,809 INFO L306 CDTParser]: Found 1 translation units. [2022-02-15 03:02:13,809 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/openssl/s3_clnt.blast.02.i.cil-1.c [2022-02-15 03:02:13,829 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/484546633/8541be1e60744f46ba0b40cdbe384872/FLAG83e44c970 [2022-02-15 03:02:14,152 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/484546633/8541be1e60744f46ba0b40cdbe384872 [2022-02-15 03:02:14,154 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-15 03:02:14,155 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-15 03:02:14,156 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-15 03:02:14,156 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-15 03:02:14,158 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-15 03:02:14,159 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 03:02:14" (1/1) ... [2022-02-15 03:02:14,160 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8646834 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 03:02:14, skipping insertion in model container [2022-02-15 03:02:14,160 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 03:02:14" (1/1) ... [2022-02-15 03:02:14,164 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-15 03:02:14,209 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-15 03:02:14,507 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] [2022-02-15 03:02:14,522 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-15 03:02:14,536 INFO L203 MainTranslator]: Completed pre-run [2022-02-15 03:02:14,651 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] [2022-02-15 03:02:14,653 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-15 03:02:14,664 INFO L208 MainTranslator]: Completed translation [2022-02-15 03:02:14,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 03:02:14 WrapperNode [2022-02-15 03:02:14,665 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-15 03:02:14,666 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-15 03:02:14,666 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-15 03:02:14,666 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-15 03:02:14,674 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 03:02:14" (1/1) ... [2022-02-15 03:02:14,674 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 03:02:14" (1/1) ... [2022-02-15 03:02:14,699 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 03:02:14" (1/1) ... [2022-02-15 03:02:14,699 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 03:02:14" (1/1) ... [2022-02-15 03:02:14,749 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 03:02:14" (1/1) ... [2022-02-15 03:02:14,760 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 03:02:14" (1/1) ... [2022-02-15 03:02:14,762 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 03:02:14" (1/1) ... [2022-02-15 03:02:14,766 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-15 03:02:14,767 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-15 03:02:14,767 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-15 03:02:14,767 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-15 03:02:14,768 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 03:02:14" (1/1) ... [2022-02-15 03:02:14,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-15 03:02:14,781 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 03:02:14,790 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) [2022-02-15 03:02:14,792 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 [2022-02-15 03:02:14,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-02-15 03:02:14,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-15 03:02:14,816 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-02-15 03:02:14,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_get_client_method [2022-02-15 03:02:14,816 INFO L138 BoogieDeclarations]: Found implementation of procedure SSLv3_client_method [2022-02-15 03:02:14,817 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-02-15 03:02:14,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_connect [2022-02-15 03:02:14,817 INFO L138 BoogieDeclarations]: Found implementation of procedure sslv3_base_method [2022-02-15 03:02:14,817 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-02-15 03:02:14,817 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-02-15 03:02:14,817 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-02-15 03:02:14,817 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-02-15 03:02:14,817 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-02-15 03:02:14,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-15 03:02:14,817 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2022-02-15 03:02:14,817 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2022-02-15 03:02:14,817 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-02-15 03:02:14,818 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2022-02-15 03:02:14,818 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2022-02-15 03:02:14,818 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2022-02-15 03:02:14,818 INFO L130 BoogieDeclarations]: Found specification of procedure SSLv3_client_method [2022-02-15 03:02:14,818 INFO L130 BoogieDeclarations]: Found specification of procedure sslv3_base_method [2022-02-15 03:02:14,818 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_connect [2022-02-15 03:02:14,818 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_get_client_method [2022-02-15 03:02:14,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-02-15 03:02:14,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-02-15 03:02:14,818 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-02-15 03:02:14,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-15 03:02:14,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-15 03:02:14,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-02-15 03:02:14,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-15 03:02:14,819 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2022-02-15 03:02:14,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-02-15 03:02:14,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-02-15 03:02:14,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-15 03:02:14,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-15 03:02:14,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-02-15 03:02:14,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-02-15 03:02:14,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-02-15 03:02:14,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-02-15 03:02:14,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-15 03:02:15,006 INFO L234 CfgBuilder]: Building ICFG [2022-02-15 03:02:15,017 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-15 03:02:16,293 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-15 03:02:16,594 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2022-02-15 03:02:16,594 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2022-02-15 03:02:16,615 INFO L275 CfgBuilder]: Performing block encoding [2022-02-15 03:02:16,623 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-15 03:02:16,623 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-02-15 03:02:16,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 03:02:16 BoogieIcfgContainer [2022-02-15 03:02:16,625 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-15 03:02:16,627 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-15 03:02:16,627 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-15 03:02:16,629 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-15 03:02:16,629 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.02 03:02:14" (1/3) ... [2022-02-15 03:02:16,630 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23d2d0d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 03:02:16, skipping insertion in model container [2022-02-15 03:02:16,631 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 03:02:14" (2/3) ... [2022-02-15 03:02:16,631 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23d2d0d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 03:02:16, skipping insertion in model container [2022-02-15 03:02:16,631 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 03:02:16" (3/3) ... [2022-02-15 03:02:16,632 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_clnt.blast.02.i.cil-1.c [2022-02-15 03:02:16,636 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-02-15 03:02:16,636 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-15 03:02:16,680 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-15 03:02:16,686 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=AcceleratedInterpolation, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=JORDAN [2022-02-15 03:02:16,686 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-15 03:02:16,701 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) [2022-02-15 03:02:16,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-02-15 03:02:16,711 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:02:16,711 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:02:16,712 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:02:16,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:02:16,716 INFO L85 PathProgramCache]: Analyzing trace with hash -22644822, now seen corresponding path program 1 times [2022-02-15 03:02:16,722 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:02:16,723 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [91803778] [2022-02-15 03:02:16,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:02:16,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:02:16,777 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:02:17,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:02:17,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:02:17,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:02:17,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:02:17,296 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:02:17,296 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [91803778] [2022-02-15 03:02:17,297 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [91803778] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:02:17,297 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:02:17,297 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:02:17,299 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044954828] [2022-02-15 03:02:17,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:02:17,303 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:02:17,303 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:02:17,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:02:17,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:02:17,330 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) [2022-02-15 03:02:19,369 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:02:19,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:02:19,852 INFO L93 Difference]: Finished difference Result 267 states and 442 transitions. [2022-02-15 03:02:19,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:02:19,860 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 [2022-02-15 03:02:19,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:02:19,866 INFO L225 Difference]: With dead ends: 267 [2022-02-15 03:02:19,866 INFO L226 Difference]: Without dead ends: 122 [2022-02-15 03:02:19,870 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 03:02:19,876 INFO L933 BasicCegarLoop]: 213 mSDtfsCounter, 7 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 320 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 555 SdHoareTripleChecker+Invalid, 324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 320 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-02-15 03:02:19,877 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 555 Invalid, 324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 320 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-02-15 03:02:19,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2022-02-15 03:02:19,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 121. [2022-02-15 03:02:19,915 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) [2022-02-15 03:02:19,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 178 transitions. [2022-02-15 03:02:19,917 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 178 transitions. Word has length 30 [2022-02-15 03:02:19,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:02:19,917 INFO L470 AbstractCegarLoop]: Abstraction has 121 states and 178 transitions. [2022-02-15 03:02:19,917 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:02:19,917 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 178 transitions. [2022-02-15 03:02:19,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-02-15 03:02:19,919 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:02:19,919 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:02:19,919 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-15 03:02:19,920 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:02:19,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:02:19,920 INFO L85 PathProgramCache]: Analyzing trace with hash 868047042, now seen corresponding path program 1 times [2022-02-15 03:02:19,920 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:02:19,920 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [577764557] [2022-02-15 03:02:19,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:02:19,944 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:02:19,944 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:02:19,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:02:19,950 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:02:20,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:02:20,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:02:20,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:02:20,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:02:20,209 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:02:20,210 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [577764557] [2022-02-15 03:02:20,210 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [577764557] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:02:20,210 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:02:20,210 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-15 03:02:20,210 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096279780] [2022-02-15 03:02:20,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:02:20,211 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-15 03:02:20,212 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:02:20,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-15 03:02:20,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-15 03:02:20,216 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) [2022-02-15 03:02:22,229 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 [] [2022-02-15 03:02:22,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:02:22,537 INFO L93 Difference]: Finished difference Result 326 states and 488 transitions. [2022-02-15 03:02:22,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 03:02:22,538 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 [2022-02-15 03:02:22,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:02:22,540 INFO L225 Difference]: With dead ends: 326 [2022-02-15 03:02:22,540 INFO L226 Difference]: Without dead ends: 221 [2022-02-15 03:02:22,541 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-15 03:02:22,541 INFO L933 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, 2.3s IncrementalHoareTripleChecker+Time [2022-02-15 03:02:22,542 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [123 Valid, 320 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 189 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-02-15 03:02:22,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2022-02-15 03:02:22,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 221. [2022-02-15 03:02:22,566 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) [2022-02-15 03:02:22,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 325 transitions. [2022-02-15 03:02:22,572 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 325 transitions. Word has length 44 [2022-02-15 03:02:22,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:02:22,572 INFO L470 AbstractCegarLoop]: Abstraction has 221 states and 325 transitions. [2022-02-15 03:02:22,573 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:02:22,573 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 325 transitions. [2022-02-15 03:02:22,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-02-15 03:02:22,574 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:02:22,575 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:02:22,575 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-15 03:02:22,575 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:02:22,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:02:22,575 INFO L85 PathProgramCache]: Analyzing trace with hash 1147706284, now seen corresponding path program 1 times [2022-02-15 03:02:22,576 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:02:22,576 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [419584947] [2022-02-15 03:02:22,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:02:22,589 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:02:22,589 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:02:22,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:02:22,593 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:02:22,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:02:22,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:02:22,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:02:22,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:02:22,846 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:02:22,846 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [419584947] [2022-02-15 03:02:22,846 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [419584947] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:02:22,846 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:02:22,846 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:02:22,847 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383111303] [2022-02-15 03:02:22,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:02:22,847 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:02:22,848 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:02:22,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:02:22,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:02:22,848 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) [2022-02-15 03:02:25,400 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 [] [2022-02-15 03:02:27,416 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:02:29,438 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:02:29,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:02:29,843 INFO L93 Difference]: Finished difference Result 608 states and 905 transitions. [2022-02-15 03:02:29,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:02:29,844 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 [2022-02-15 03:02:29,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:02:29,847 INFO L225 Difference]: With dead ends: 608 [2022-02-15 03:02:29,847 INFO L226 Difference]: Without dead ends: 403 [2022-02-15 03:02:29,848 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 03:02:29,848 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 106 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 384 mSolverCounterSat, 44 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 384 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2022-02-15 03:02:29,849 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [106 Valid, 279 Invalid, 431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 384 Invalid, 3 Unknown, 0 Unchecked, 7.0s Time] [2022-02-15 03:02:29,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2022-02-15 03:02:29,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 269. [2022-02-15 03:02:29,876 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) [2022-02-15 03:02:29,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 409 transitions. [2022-02-15 03:02:29,877 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 409 transitions. Word has length 59 [2022-02-15 03:02:29,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:02:29,878 INFO L470 AbstractCegarLoop]: Abstraction has 269 states and 409 transitions. [2022-02-15 03:02:29,878 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:02:29,878 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 409 transitions. [2022-02-15 03:02:29,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-02-15 03:02:29,879 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:02:29,879 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:02:29,880 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-15 03:02:29,880 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:02:29,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:02:29,880 INFO L85 PathProgramCache]: Analyzing trace with hash 1214470671, now seen corresponding path program 1 times [2022-02-15 03:02:29,880 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:02:29,880 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1867177330] [2022-02-15 03:02:29,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:02:29,900 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:02:29,900 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:02:29,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:02:29,904 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:02:30,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:02:30,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:02:30,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:02:30,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:02:30,120 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:02:30,120 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1867177330] [2022-02-15 03:02:30,121 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1867177330] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:02:30,121 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:02:30,121 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:02:30,121 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588447327] [2022-02-15 03:02:30,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:02:30,121 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:02:30,122 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:02:30,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:02:30,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:02:30,122 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) [2022-02-15 03:02:32,140 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 [] [2022-02-15 03:02:32,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:02:32,544 INFO L93 Difference]: Finished difference Result 434 states and 664 transitions. [2022-02-15 03:02:32,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:02:32,545 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 [2022-02-15 03:02:32,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:02:32,546 INFO L225 Difference]: With dead ends: 434 [2022-02-15 03:02:32,546 INFO L226 Difference]: Without dead ends: 305 [2022-02-15 03:02:32,547 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 03:02:32,548 INFO L933 BasicCegarLoop]: 198 mSDtfsCounter, 33 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 359 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 359 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-02-15 03:02:32,548 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [33 Valid, 484 Invalid, 368 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 359 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-02-15 03:02:32,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2022-02-15 03:02:32,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 287. [2022-02-15 03:02:32,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 282 states have (on average 1.5425531914893618) internal successors, (435), 282 states have internal predecessors, (435), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:02:32,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 439 transitions. [2022-02-15 03:02:32,563 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 439 transitions. Word has length 60 [2022-02-15 03:02:32,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:02:32,563 INFO L470 AbstractCegarLoop]: Abstraction has 287 states and 439 transitions. [2022-02-15 03:02:32,564 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:02:32,564 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 439 transitions. [2022-02-15 03:02:32,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-02-15 03:02:32,565 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:02:32,565 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:02:32,565 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-15 03:02:32,566 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:02:32,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:02:32,566 INFO L85 PathProgramCache]: Analyzing trace with hash -939829385, now seen corresponding path program 2 times [2022-02-15 03:02:32,566 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:02:32,566 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1922717688] [2022-02-15 03:02:32,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:02:49,863 WARN L228 SmtUtils]: Spent 16.40s on a formula simplification that was a NOOP. DAG size: 228 (called from [L 232] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-02-15 03:03:00,071 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:03:00,072 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:03:00,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:03:00,077 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:03:00,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:03:00,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:03:00,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:03:00,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:03:00,225 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:03:00,226 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1922717688] [2022-02-15 03:03:00,226 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1922717688] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:03:00,226 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:03:00,226 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:03:00,226 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380094422] [2022-02-15 03:03:00,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:03:00,226 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:03:00,226 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:03:00,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:03:00,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:03:00,227 INFO L87 Difference]: Start difference. First operand 287 states and 439 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:03:02,242 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 [] [2022-02-15 03:03:02,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:03:02,770 INFO L93 Difference]: Finished difference Result 451 states and 692 transitions. [2022-02-15 03:03:02,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:03:02,771 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 74 [2022-02-15 03:03:02,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:03:02,772 INFO L225 Difference]: With dead ends: 451 [2022-02-15 03:03:02,772 INFO L226 Difference]: Without dead ends: 304 [2022-02-15 03:03:02,774 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 03:03:02,776 INFO L933 BasicCegarLoop]: 198 mSDtfsCounter, 39 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 352 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 352 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-02-15 03:03:02,777 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [39 Valid, 484 Invalid, 361 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 352 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-02-15 03:03:02,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2022-02-15 03:03:02,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 287. [2022-02-15 03:03:02,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 282 states have (on average 1.5390070921985815) internal successors, (434), 282 states have internal predecessors, (434), 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) [2022-02-15 03:03:02,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 438 transitions. [2022-02-15 03:03:02,798 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 438 transitions. Word has length 74 [2022-02-15 03:03:02,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:03:02,798 INFO L470 AbstractCegarLoop]: Abstraction has 287 states and 438 transitions. [2022-02-15 03:03:02,798 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:03:02,798 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 438 transitions. [2022-02-15 03:03:02,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-02-15 03:03:02,803 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:03:02,803 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:03:02,804 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-15 03:03:02,804 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:03:02,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:03:02,804 INFO L85 PathProgramCache]: Analyzing trace with hash -958484843, now seen corresponding path program 1 times [2022-02-15 03:03:02,804 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:03:02,805 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [246794238] [2022-02-15 03:03:02,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:03:20,637 WARN L228 SmtUtils]: Spent 10.85s on a formula simplification that was a NOOP. DAG size: 228 (called from [L 232] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-02-15 03:03:27,441 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:03:27,441 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:03:27,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:03:27,445 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:03:27,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:03:27,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:03:27,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:03:27,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:03:27,663 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:03:27,663 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [246794238] [2022-02-15 03:03:27,663 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [246794238] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:03:27,663 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:03:27,663 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:03:27,663 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467544361] [2022-02-15 03:03:27,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:03:27,664 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:03:27,664 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:03:27,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:03:27,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:03:27,664 INFO L87 Difference]: Start difference. First operand 287 states and 438 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:03:29,680 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 [] [2022-02-15 03:03:30,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:03:30,129 INFO L93 Difference]: Finished difference Result 740 states and 1131 transitions. [2022-02-15 03:03:30,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:03:30,129 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 74 [2022-02-15 03:03:30,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:03:30,131 INFO L225 Difference]: With dead ends: 740 [2022-02-15 03:03:30,131 INFO L226 Difference]: Without dead ends: 469 [2022-02-15 03:03:30,132 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 03:03:30,132 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 119 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 382 mSolverCounterSat, 46 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 382 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-02-15 03:03:30,133 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [119 Valid, 278 Invalid, 429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 382 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-02-15 03:03:30,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2022-02-15 03:03:30,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 311. [2022-02-15 03:03:30,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 311 states, 306 states have (on average 1.526143790849673) internal successors, (467), 306 states have internal predecessors, (467), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:03:30,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 311 states and 471 transitions. [2022-02-15 03:03:30,151 INFO L78 Accepts]: Start accepts. Automaton has 311 states and 471 transitions. Word has length 74 [2022-02-15 03:03:30,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:03:30,152 INFO L470 AbstractCegarLoop]: Abstraction has 311 states and 471 transitions. [2022-02-15 03:03:30,159 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:03:30,159 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 471 transitions. [2022-02-15 03:03:30,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-02-15 03:03:30,161 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:03:30,161 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:03:30,161 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-15 03:03:30,161 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:03:30,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:03:30,161 INFO L85 PathProgramCache]: Analyzing trace with hash -2116468206, now seen corresponding path program 1 times [2022-02-15 03:03:30,161 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:03:30,161 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [134712887] [2022-02-15 03:03:30,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:03:40,071 WARN L228 SmtUtils]: Spent 9.13s on a formula simplification that was a NOOP. DAG size: 228 (called from [L 232] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-02-15 03:03:52,317 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:03:52,317 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:03:52,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:03:52,322 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:03:52,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:03:52,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:03:52,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:03:52,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:03:52,543 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:03:52,543 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [134712887] [2022-02-15 03:03:52,544 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [134712887] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:03:52,544 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:03:52,544 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:03:52,544 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193853098] [2022-02-15 03:03:52,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:03:52,545 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:03:52,545 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:03:52,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:03:52,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:03:52,548 INFO L87 Difference]: Start difference. First operand 311 states and 471 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:03:54,565 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 [] [2022-02-15 03:03:54,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:03:54,985 INFO L93 Difference]: Finished difference Result 487 states and 739 transitions. [2022-02-15 03:03:54,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:03:54,986 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 75 [2022-02-15 03:03:54,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:03:54,987 INFO L225 Difference]: With dead ends: 487 [2022-02-15 03:03:54,987 INFO L226 Difference]: Without dead ends: 328 [2022-02-15 03:03:54,988 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 03:03:54,990 INFO L933 BasicCegarLoop]: 196 mSDtfsCounter, 35 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 480 SdHoareTripleChecker+Invalid, 359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-02-15 03:03:54,991 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 480 Invalid, 359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 350 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-02-15 03:03:54,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2022-02-15 03:03:55,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 311. [2022-02-15 03:03:55,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 311 states, 306 states have (on average 1.522875816993464) internal successors, (466), 306 states have internal predecessors, (466), 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) [2022-02-15 03:03:55,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 311 states and 470 transitions. [2022-02-15 03:03:55,008 INFO L78 Accepts]: Start accepts. Automaton has 311 states and 470 transitions. Word has length 75 [2022-02-15 03:03:55,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:03:55,010 INFO L470 AbstractCegarLoop]: Abstraction has 311 states and 470 transitions. [2022-02-15 03:03:55,010 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:03:55,010 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 470 transitions. [2022-02-15 03:03:55,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-02-15 03:03:55,011 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:03:55,011 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:03:55,011 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-02-15 03:03:55,012 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:03:55,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:03:55,012 INFO L85 PathProgramCache]: Analyzing trace with hash -1900214406, now seen corresponding path program 1 times [2022-02-15 03:03:55,012 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:03:55,012 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1270930768] [2022-02-15 03:03:55,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:04:00,455 WARN L228 SmtUtils]: Spent 5.44s on a formula simplification. DAG size of input: 186 DAG size of output: 178 (called from [L 232] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-02-15 03:04:18,145 WARN L228 SmtUtils]: Spent 15.87s on a formula simplification that was a NOOP. DAG size: 228 (called from [L 232] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-02-15 03:04:30,121 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:04:30,121 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:04:30,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:04:30,126 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:04:30,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:04:30,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:04:30,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:04:30,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:04:30,340 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:04:30,340 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1270930768] [2022-02-15 03:04:30,340 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1270930768] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:04:30,340 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:04:30,340 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:04:30,340 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451053190] [2022-02-15 03:04:30,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:04:30,341 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:04:30,341 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:04:30,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:04:30,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:04:30,342 INFO L87 Difference]: Start difference. First operand 311 states and 470 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:04:32,355 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 [] [2022-02-15 03:04:32,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:04:32,771 INFO L93 Difference]: Finished difference Result 764 states and 1157 transitions. [2022-02-15 03:04:32,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:04:32,771 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 76 [2022-02-15 03:04:32,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:04:32,773 INFO L225 Difference]: With dead ends: 764 [2022-02-15 03:04:32,773 INFO L226 Difference]: Without dead ends: 469 [2022-02-15 03:04:32,774 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 03:04:32,775 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 116 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 382 mSolverCounterSat, 46 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 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 [2022-02-15 03:04:32,775 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [116 Valid, 278 Invalid, 429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 382 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-02-15 03:04:32,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2022-02-15 03:04:32,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 315. [2022-02-15 03:04:32,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 315 states, 310 states have (on average 1.5129032258064516) internal successors, (469), 310 states have internal predecessors, (469), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:04:32,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 473 transitions. [2022-02-15 03:04:32,798 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 473 transitions. Word has length 76 [2022-02-15 03:04:32,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:04:32,798 INFO L470 AbstractCegarLoop]: Abstraction has 315 states and 473 transitions. [2022-02-15 03:04:32,798 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:04:32,799 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 473 transitions. [2022-02-15 03:04:32,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-02-15 03:04:32,800 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:04:32,800 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:04:32,800 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-02-15 03:04:32,800 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:04:32,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:04:32,801 INFO L85 PathProgramCache]: Analyzing trace with hash -2032281513, now seen corresponding path program 1 times [2022-02-15 03:04:32,801 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:04:32,801 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [245863811] [2022-02-15 03:04:32,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:04:39,196 WARN L228 SmtUtils]: Spent 5.60s on a formula simplification. DAG size of input: 191 DAG size of output: 180 (called from [L 232] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-02-15 03:04:54,964 WARN L228 SmtUtils]: Spent 14.69s on a formula simplification that was a NOOP. DAG size: 228 (called from [L 232] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-02-15 03:05:05,301 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:05:05,301 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:05:05,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:05:05,308 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:05:05,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:05:05,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:05:05,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:05:05,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:05:05,475 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:05:05,475 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [245863811] [2022-02-15 03:05:05,475 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [245863811] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:05:05,475 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:05:05,475 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:05:05,475 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319400939] [2022-02-15 03:05:05,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:05:05,476 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:05:05,476 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:05:05,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:05:05,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:05:05,477 INFO L87 Difference]: Start difference. First operand 315 states and 473 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:05:07,492 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 [] [2022-02-15 03:05:07,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:05:07,920 INFO L93 Difference]: Finished difference Result 484 states and 730 transitions. [2022-02-15 03:05:07,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:05:07,920 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 77 [2022-02-15 03:05:07,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:05:07,921 INFO L225 Difference]: With dead ends: 484 [2022-02-15 03:05:07,922 INFO L226 Difference]: Without dead ends: 323 [2022-02-15 03:05:07,922 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 03:05:07,923 INFO L933 BasicCegarLoop]: 188 mSDtfsCounter, 24 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 464 SdHoareTripleChecker+Invalid, 332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 326 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-02-15 03:05:07,923 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [24 Valid, 464 Invalid, 332 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 326 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-02-15 03:05:07,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2022-02-15 03:05:07,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 315. [2022-02-15 03:05:07,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 315 states, 310 states have (on average 1.5096774193548388) internal successors, (468), 310 states have internal predecessors, (468), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:05:07,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 472 transitions. [2022-02-15 03:05:07,939 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 472 transitions. Word has length 77 [2022-02-15 03:05:07,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:05:07,939 INFO L470 AbstractCegarLoop]: Abstraction has 315 states and 472 transitions. [2022-02-15 03:05:07,939 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:05:07,939 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 472 transitions. [2022-02-15 03:05:07,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-02-15 03:05:07,940 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:05:07,940 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:05:07,940 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-02-15 03:05:07,941 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:05:07,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:05:07,941 INFO L85 PathProgramCache]: Analyzing trace with hash -572776206, now seen corresponding path program 1 times [2022-02-15 03:05:07,941 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:05:07,941 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [940615096] [2022-02-15 03:05:07,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:05:07,957 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:05:07,957 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:05:07,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:05:07,966 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:05:08,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:05:08,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:05:08,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:05:08,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:05:08,122 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:05:08,122 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [940615096] [2022-02-15 03:05:08,122 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [940615096] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:05:08,123 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:05:08,123 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-15 03:05:08,123 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311115910] [2022-02-15 03:05:08,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:05:08,123 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-15 03:05:08,124 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:05:08,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-15 03:05:08,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-15 03:05:08,124 INFO L87 Difference]: Start difference. First operand 315 states and 472 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:05:10,135 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 [] [2022-02-15 03:05:10,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:05:10,557 INFO L93 Difference]: Finished difference Result 634 states and 958 transitions. [2022-02-15 03:05:10,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 03:05:10,558 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 78 [2022-02-15 03:05:10,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:05:10,560 INFO L225 Difference]: With dead ends: 634 [2022-02-15 03:05:10,560 INFO L226 Difference]: Without dead ends: 473 [2022-02-15 03:05:10,561 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-15 03:05:10,561 INFO L933 BasicCegarLoop]: 315 mSDtfsCounter, 125 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 339 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 477 SdHoareTripleChecker+Invalid, 347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 339 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-02-15 03:05:10,561 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [125 Valid, 477 Invalid, 347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 339 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-02-15 03:05:10,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2022-02-15 03:05:10,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 473. [2022-02-15 03:05:10,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 473 states, 468 states have (on average 1.5042735042735043) internal successors, (704), 468 states have internal predecessors, (704), 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) [2022-02-15 03:05:10,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 708 transitions. [2022-02-15 03:05:10,579 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 708 transitions. Word has length 78 [2022-02-15 03:05:10,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:05:10,579 INFO L470 AbstractCegarLoop]: Abstraction has 473 states and 708 transitions. [2022-02-15 03:05:10,579 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:05:10,579 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 708 transitions. [2022-02-15 03:05:10,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-02-15 03:05:10,580 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:05:10,580 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:05:10,581 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-02-15 03:05:10,581 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:05:10,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:05:10,581 INFO L85 PathProgramCache]: Analyzing trace with hash 1350451828, now seen corresponding path program 1 times [2022-02-15 03:05:10,581 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:05:10,581 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [483118636] [2022-02-15 03:05:10,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:05:10,595 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:05:10,595 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:05:10,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:05:10,601 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:05:10,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:05:10,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:05:10,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:05:10,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:05:10,760 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:05:10,760 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [483118636] [2022-02-15 03:05:10,761 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [483118636] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:05:10,761 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:05:10,761 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-15 03:05:10,761 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281081374] [2022-02-15 03:05:10,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:05:10,761 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-15 03:05:10,761 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:05:10,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-15 03:05:10,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-15 03:05:10,762 INFO L87 Difference]: Start difference. First operand 473 states and 708 transitions. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 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) [2022-02-15 03:05:12,771 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 [] [2022-02-15 03:05:13,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:05:13,049 INFO L93 Difference]: Finished difference Result 817 states and 1224 transitions. [2022-02-15 03:05:13,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 03:05:13,049 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 78 [2022-02-15 03:05:13,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:05:13,051 INFO L225 Difference]: With dead ends: 817 [2022-02-15 03:05:13,051 INFO L226 Difference]: Without dead ends: 498 [2022-02-15 03:05:13,052 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-15 03:05:13,053 INFO L933 BasicCegarLoop]: 196 mSDtfsCounter, 16 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-02-15 03:05:13,053 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 358 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 214 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-02-15 03:05:13,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 498 states. [2022-02-15 03:05:13,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 498 to 498. [2022-02-15 03:05:13,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 498 states, 493 states have (on average 1.4949290060851927) internal successors, (737), 493 states have internal predecessors, (737), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:05:13,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 498 states and 741 transitions. [2022-02-15 03:05:13,072 INFO L78 Accepts]: Start accepts. Automaton has 498 states and 741 transitions. Word has length 78 [2022-02-15 03:05:13,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:05:13,073 INFO L470 AbstractCegarLoop]: Abstraction has 498 states and 741 transitions. [2022-02-15 03:05:13,073 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 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) [2022-02-15 03:05:13,073 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 741 transitions. [2022-02-15 03:05:13,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-02-15 03:05:13,074 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:05:13,075 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:05:13,075 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-02-15 03:05:13,075 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:05:13,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:05:13,076 INFO L85 PathProgramCache]: Analyzing trace with hash 59220235, now seen corresponding path program 1 times [2022-02-15 03:05:13,076 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:05:13,076 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [120695581] [2022-02-15 03:05:13,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:05:13,109 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:05:13,109 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:05:13,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:05:13,117 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:05:13,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:05:13,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:05:13,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:05:13,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:05:13,298 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:05:13,298 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [120695581] [2022-02-15 03:05:13,298 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [120695581] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:05:13,299 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:05:13,299 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-15 03:05:13,299 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177112053] [2022-02-15 03:05:13,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:05:13,299 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-15 03:05:13,299 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:05:13,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-15 03:05:13,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-15 03:05:13,300 INFO L87 Difference]: Start difference. First operand 498 states and 741 transitions. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:05:15,315 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 [] [2022-02-15 03:05:15,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:05:15,809 INFO L93 Difference]: Finished difference Result 985 states and 1474 transitions. [2022-02-15 03:05:15,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 03:05:15,809 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 98 [2022-02-15 03:05:15,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:05:15,811 INFO L225 Difference]: With dead ends: 985 [2022-02-15 03:05:15,812 INFO L226 Difference]: Without dead ends: 641 [2022-02-15 03:05:15,812 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-15 03:05:15,813 INFO L933 BasicCegarLoop]: 314 mSDtfsCounter, 125 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 338 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 476 SdHoareTripleChecker+Invalid, 346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 338 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-02-15 03:05:15,813 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [125 Valid, 476 Invalid, 346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 338 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-02-15 03:05:15,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 641 states. [2022-02-15 03:05:15,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 641 to 641. [2022-02-15 03:05:15,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 641 states, 636 states have (on average 1.4952830188679245) internal successors, (951), 636 states have internal predecessors, (951), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:05:15,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 955 transitions. [2022-02-15 03:05:15,837 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 955 transitions. Word has length 98 [2022-02-15 03:05:15,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:05:15,838 INFO L470 AbstractCegarLoop]: Abstraction has 641 states and 955 transitions. [2022-02-15 03:05:15,838 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:05:15,838 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 955 transitions. [2022-02-15 03:05:15,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-02-15 03:05:15,839 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:05:15,839 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:05:15,840 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-02-15 03:05:15,840 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:05:15,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:05:15,840 INFO L85 PathProgramCache]: Analyzing trace with hash -2136926065, now seen corresponding path program 1 times [2022-02-15 03:05:15,840 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:05:15,840 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1992670810] [2022-02-15 03:05:15,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:05:15,865 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:05:15,865 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:05:15,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:05:15,874 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:05:17,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-15 03:05:17,276 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-15 03:05:17,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-15 03:05:17,719 INFO L138 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2022-02-15 03:05:17,720 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-15 03:05:17,724 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-02-15 03:05:17,727 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-02-15 03:05:17,731 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:05:17,733 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-15 03:05:17,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.02 03:05:17 BoogieIcfgContainer [2022-02-15 03:05:17,778 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-15 03:05:17,780 INFO L158 Benchmark]: Toolchain (without parser) took 183623.82ms. Allocated memory was 177.2MB in the beginning and 295.7MB in the end (delta: 118.5MB). Free memory was 120.7MB in the beginning and 95.2MB in the end (delta: 25.5MB). Peak memory consumption was 162.4MB. Max. memory is 8.0GB. [2022-02-15 03:05:17,780 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 177.2MB. Free memory is still 139.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-15 03:05:17,780 INFO L158 Benchmark]: CACSL2BoogieTranslator took 509.55ms. Allocated memory was 177.2MB in the beginning and 238.0MB in the end (delta: 60.8MB). Free memory was 120.5MB in the beginning and 188.5MB in the end (delta: -67.9MB). Peak memory consumption was 10.6MB. Max. memory is 8.0GB. [2022-02-15 03:05:17,783 INFO L158 Benchmark]: Boogie Preprocessor took 100.50ms. Allocated memory is still 238.0MB. Free memory was 188.5MB in the beginning and 181.1MB in the end (delta: 7.3MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2022-02-15 03:05:17,783 INFO L158 Benchmark]: RCFGBuilder took 1858.58ms. Allocated memory is still 238.0MB. Free memory was 181.1MB in the beginning and 142.4MB in the end (delta: 38.8MB). Peak memory consumption was 39.6MB. Max. memory is 8.0GB. [2022-02-15 03:05:17,783 INFO L158 Benchmark]: TraceAbstraction took 181151.47ms. Allocated memory was 238.0MB in the beginning and 295.7MB in the end (delta: 57.7MB). Free memory was 141.8MB in the beginning and 95.2MB in the end (delta: 46.6MB). Peak memory consumption was 121.6MB. Max. memory is 8.0GB. [2022-02-15 03:05:17,784 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 177.2MB. Free memory is still 139.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 509.55ms. Allocated memory was 177.2MB in the beginning and 238.0MB in the end (delta: 60.8MB). Free memory was 120.5MB in the beginning and 188.5MB in the end (delta: -67.9MB). Peak memory consumption was 10.6MB. Max. memory is 8.0GB. * Boogie Preprocessor took 100.50ms. Allocated memory is still 238.0MB. Free memory was 188.5MB in the beginning and 181.1MB in the end (delta: 7.3MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * RCFGBuilder took 1858.58ms. Allocated memory is still 238.0MB. Free memory was 181.1MB in the beginning and 142.4MB in the end (delta: 38.8MB). Peak memory consumption was 39.6MB. Max. memory is 8.0GB. * TraceAbstraction took 181151.47ms. Allocated memory was 238.0MB in the beginning and 295.7MB in the end (delta: 57.7MB). Free memory was 141.8MB in the beginning and 95.2MB in the end (delta: 46.6MB). Peak memory consumption was 121.6MB. 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: 181.1s, OverallIterations: 13, TraceHistogramMax: 6, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 33.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 14 mSolverCounterUnknown, 868 SdHoareTripleChecker+Valid, 33.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 868 mSDsluCounter, 4933 SdHoareTripleChecker+Invalid, 32.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2657 mSDsCounter, 192 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3935 IncrementalHoareTripleChecker+Invalid, 4141 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 192 mSolverCounterUnsat, 2276 mSDtfsCounter, 3935 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 77 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=641occurred in iteration=12, InterpolantAutomatonStates: 56, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 507 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-02-15 03:05:17,816 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...