/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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/openssl/s3_srvr.blast.01.i.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-b030c9e [2022-03-20 02:47:34,084 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-20 02:47:34,086 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-20 02:47:34,106 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-20 02:47:34,107 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-20 02:47:34,107 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-20 02:47:34,108 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-20 02:47:34,109 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-20 02:47:34,110 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-20 02:47:34,111 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-20 02:47:34,111 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-20 02:47:34,112 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-20 02:47:34,112 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-20 02:47:34,113 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-20 02:47:34,114 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-20 02:47:34,114 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-20 02:47:34,115 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-20 02:47:34,115 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-20 02:47:34,116 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-20 02:47:34,118 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-20 02:47:34,118 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-03-20 02:47:34,122 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-20 02:47:34,126 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-20 02:47:34,127 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-20 02:47:34,129 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-20 02:47:34,134 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-20 02:47:34,134 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-20 02:47:34,134 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-20 02:47:34,134 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-20 02:47:34,135 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-20 02:47:34,138 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2022-03-20 02:47:34,141 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-20 02:47:34,142 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-20 02:47:34,147 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-20 02:47:34,148 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2022-03-20 02:47:34,165 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-20 02:47:34,165 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-20 02:47:34,165 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-20 02:47:34,165 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-20 02:47:34,166 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-20 02:47:34,166 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-20 02:47:34,166 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-20 02:47:34,167 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-20 02:47:34,167 INFO L138 SettingsManager]: * Use SBE=true [2022-03-20 02:47:34,167 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-20 02:47:34,170 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-20 02:47:34,170 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-20 02:47:34,171 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-20 02:47:34,171 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-20 02:47:34,171 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-20 02:47:34,171 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-20 02:47:34,171 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-20 02:47:34,172 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-20 02:47:34,172 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-20 02:47:34,172 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-20 02:47:34,172 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-20 02:47:34,172 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-20 02:47:34,172 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-20 02:47:34,172 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-20 02:47:34,173 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-20 02:47:34,173 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-20 02:47:34,173 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-20 02:47:34,173 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-20 02:47:34,173 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-20 02:47:34,173 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-20 02:47:34,173 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-20 02:47:34,174 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-03-20 02:47:34,174 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-20 02:47:34,174 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-03-20 02:47:34,366 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-20 02:47:34,389 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-20 02:47:34,391 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-20 02:47:34,391 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-20 02:47:34,394 INFO L275 PluginConnector]: CDTParser initialized [2022-03-20 02:47:34,395 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/openssl/s3_srvr.blast.01.i.cil-2.c [2022-03-20 02:47:34,471 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a259df2c/cd7911a52f6541d6b80efc5b5f190fd5/FLAGba0efce63 [2022-03-20 02:47:34,880 INFO L306 CDTParser]: Found 1 translation units. [2022-03-20 02:47:34,880 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/openssl/s3_srvr.blast.01.i.cil-2.c [2022-03-20 02:47:34,899 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a259df2c/cd7911a52f6541d6b80efc5b5f190fd5/FLAGba0efce63 [2022-03-20 02:47:35,206 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a259df2c/cd7911a52f6541d6b80efc5b5f190fd5 [2022-03-20 02:47:35,208 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-20 02:47:35,209 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-20 02:47:35,213 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-20 02:47:35,214 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-20 02:47:35,217 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-20 02:47:35,218 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.03 02:47:35" (1/1) ... [2022-03-20 02:47:35,219 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f969c1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 02:47:35, skipping insertion in model container [2022-03-20 02:47:35,219 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.03 02:47:35" (1/1) ... [2022-03-20 02:47:35,226 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-20 02:47:35,270 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-20 02:47:35,597 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_srvr.blast.01.i.cil-2.c[72913,72926] [2022-03-20 02:47:35,603 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-20 02:47:35,611 INFO L203 MainTranslator]: Completed pre-run [2022-03-20 02:47:35,688 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_srvr.blast.01.i.cil-2.c[72913,72926] [2022-03-20 02:47:35,702 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-20 02:47:35,713 INFO L208 MainTranslator]: Completed translation [2022-03-20 02:47:35,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 02:47:35 WrapperNode [2022-03-20 02:47:35,714 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-20 02:47:35,718 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-20 02:47:35,718 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-20 02:47:35,718 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-20 02:47:35,726 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 02:47:35" (1/1) ... [2022-03-20 02:47:35,726 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 02:47:35" (1/1) ... [2022-03-20 02:47:35,756 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 02:47:35" (1/1) ... [2022-03-20 02:47:35,756 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 02:47:35" (1/1) ... [2022-03-20 02:47:35,801 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 02:47:35" (1/1) ... [2022-03-20 02:47:35,817 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 02:47:35" (1/1) ... [2022-03-20 02:47:35,820 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 02:47:35" (1/1) ... [2022-03-20 02:47:35,824 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-20 02:47:35,825 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-20 02:47:35,825 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-20 02:47:35,825 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-20 02:47:35,831 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 02:47:35" (1/1) ... [2022-03-20 02:47:35,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-20 02:47:35,843 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 02:47:35,854 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-20 02:47:35,856 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-20 02:47:35,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-03-20 02:47:35,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-20 02:47:35,884 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-03-20 02:47:35,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_get_server_method [2022-03-20 02:47:35,886 INFO L138 BoogieDeclarations]: Found implementation of procedure SSLv3_server_method [2022-03-20 02:47:35,887 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-03-20 02:47:35,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_accept [2022-03-20 02:47:35,887 INFO L138 BoogieDeclarations]: Found implementation of procedure sslv3_base_method [2022-03-20 02:47:35,887 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-03-20 02:47:35,887 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-03-20 02:47:35,887 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-03-20 02:47:35,887 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-03-20 02:47:35,887 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-03-20 02:47:35,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-20 02:47:35,887 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2022-03-20 02:47:35,887 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2022-03-20 02:47:35,888 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-03-20 02:47:35,888 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2022-03-20 02:47:35,888 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2022-03-20 02:47:35,888 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2022-03-20 02:47:35,888 INFO L130 BoogieDeclarations]: Found specification of procedure SSLv3_server_method [2022-03-20 02:47:35,888 INFO L130 BoogieDeclarations]: Found specification of procedure sslv3_base_method [2022-03-20 02:47:35,888 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_accept [2022-03-20 02:47:35,888 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_get_server_method [2022-03-20 02:47:35,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-03-20 02:47:35,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-03-20 02:47:35,888 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-03-20 02:47:35,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-03-20 02:47:35,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-20 02:47:35,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-03-20 02:47:35,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-20 02:47:35,889 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2022-03-20 02:47:35,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-03-20 02:47:35,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-03-20 02:47:35,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-20 02:47:35,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-20 02:47:35,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-03-20 02:47:35,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-03-20 02:47:35,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-03-20 02:47:35,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-03-20 02:47:35,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-20 02:47:36,008 INFO L234 CfgBuilder]: Building ICFG [2022-03-20 02:47:36,010 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-20 02:47:38,318 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-03-20 02:47:38,770 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##87: assume false; [2022-03-20 02:47:38,771 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##88: assume !false; [2022-03-20 02:47:38,782 INFO L275 CfgBuilder]: Performing block encoding [2022-03-20 02:47:38,790 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-20 02:47:38,791 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-03-20 02:47:38,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.03 02:47:38 BoogieIcfgContainer [2022-03-20 02:47:38,792 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-20 02:47:38,794 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-20 02:47:38,794 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-20 02:47:38,797 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-20 02:47:38,797 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.03 02:47:35" (1/3) ... [2022-03-20 02:47:38,798 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a01637e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.03 02:47:38, skipping insertion in model container [2022-03-20 02:47:38,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 02:47:35" (2/3) ... [2022-03-20 02:47:38,798 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a01637e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.03 02:47:38, skipping insertion in model container [2022-03-20 02:47:38,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.03 02:47:38" (3/3) ... [2022-03-20 02:47:38,799 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr.blast.01.i.cil-2.c [2022-03-20 02:47:38,803 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-20 02:47:38,803 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-20 02:47:38,836 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-20 02:47:38,841 INFO L340 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP [2022-03-20 02:47:38,841 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-03-20 02:47:38,855 INFO L276 IsEmpty]: Start isEmpty. Operand has 155 states, 147 states have (on average 1.6870748299319729) internal successors, (248), 148 states have internal predecessors, (248), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-03-20 02:47:38,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-03-20 02:47:38,864 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:47:38,865 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 02:47:38,865 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:47:38,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:47:38,873 INFO L85 PathProgramCache]: Analyzing trace with hash 740864289, now seen corresponding path program 1 times [2022-03-20 02:47:38,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:47:38,880 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597848914] [2022-03-20 02:47:38,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:47:38,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:47:39,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:47:39,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:47:39,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:47:39,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-20 02:47:39,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:47:39,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597848914] [2022-03-20 02:47:39,314 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1597848914] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:47:39,314 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:47:39,315 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 02:47:39,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548783377] [2022-03-20 02:47:39,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:47:39,319 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 02:47:39,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:47:39,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 02:47:39,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 02:47:39,340 INFO L87 Difference]: Start difference. First operand has 155 states, 147 states have (on average 1.6870748299319729) internal successors, (248), 148 states have internal predecessors, (248), 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 9.6) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:47:41,381 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 [] [2022-03-20 02:47:41,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:47:41,947 INFO L93 Difference]: Finished difference Result 328 states and 543 transitions. [2022-03-20 02:47:41,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 02:47:41,950 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 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 52 [2022-03-20 02:47:41,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:47:41,959 INFO L225 Difference]: With dead ends: 328 [2022-03-20 02:47:41,959 INFO L226 Difference]: Without dead ends: 167 [2022-03-20 02:47:41,962 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 02:47:41,968 INFO L913 BasicCegarLoop]: 221 mSDtfsCounter, 33 mSDsluCounter, 362 mSDsCounter, 0 mSdLazyCounter, 403 mSolverCounterSat, 11 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 583 SdHoareTripleChecker+Invalid, 415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 403 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-03-20 02:47:41,973 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [33 Valid, 583 Invalid, 415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 403 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-03-20 02:47:41,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2022-03-20 02:47:42,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 150. [2022-03-20 02:47:42,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 145 states have (on average 1.5379310344827586) internal successors, (223), 145 states have internal predecessors, (223), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:47:42,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 227 transitions. [2022-03-20 02:47:42,012 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 227 transitions. Word has length 52 [2022-03-20 02:47:42,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:47:42,013 INFO L478 AbstractCegarLoop]: Abstraction has 150 states and 227 transitions. [2022-03-20 02:47:42,013 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:47:42,013 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 227 transitions. [2022-03-20 02:47:42,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-20 02:47:42,015 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:47:42,015 INFO L499 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 02:47:42,015 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-20 02:47:42,016 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:47:42,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:47:42,016 INFO L85 PathProgramCache]: Analyzing trace with hash -444444622, now seen corresponding path program 1 times [2022-03-20 02:47:42,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:47:42,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833778007] [2022-03-20 02:47:42,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:47:42,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:47:42,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:47:42,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:47:42,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:47:42,254 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-20 02:47:42,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:47:42,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833778007] [2022-03-20 02:47:42,257 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833778007] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:47:42,259 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:47:42,259 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 02:47:42,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044334738] [2022-03-20 02:47:42,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:47:42,265 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 02:47:42,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:47:42,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 02:47:42,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 02:47:42,266 INFO L87 Difference]: Start difference. First operand 150 states and 227 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:47:44,277 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:47:44,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:47:44,776 INFO L93 Difference]: Finished difference Result 390 states and 595 transitions. [2022-03-20 02:47:44,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 02:47:44,777 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 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 65 [2022-03-20 02:47:44,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:47:44,779 INFO L225 Difference]: With dead ends: 390 [2022-03-20 02:47:44,779 INFO L226 Difference]: Without dead ends: 266 [2022-03-20 02:47:44,780 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 02:47:44,781 INFO L913 BasicCegarLoop]: 110 mSDtfsCounter, 140 mSDsluCounter, 211 mSDsCounter, 0 mSdLazyCounter, 467 mSolverCounterSat, 62 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 530 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 467 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-03-20 02:47:44,782 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [140 Valid, 321 Invalid, 530 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 467 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-03-20 02:47:44,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2022-03-20 02:47:44,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 166. [2022-03-20 02:47:44,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 161 states have (on average 1.5403726708074534) internal successors, (248), 161 states have internal predecessors, (248), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:47:44,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 252 transitions. [2022-03-20 02:47:44,795 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 252 transitions. Word has length 65 [2022-03-20 02:47:44,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:47:44,796 INFO L478 AbstractCegarLoop]: Abstraction has 166 states and 252 transitions. [2022-03-20 02:47:44,796 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:47:44,796 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 252 transitions. [2022-03-20 02:47:44,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-03-20 02:47:44,797 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:47:44,797 INFO L499 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 02:47:44,798 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-20 02:47:44,798 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:47:44,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:47:44,798 INFO L85 PathProgramCache]: Analyzing trace with hash 795477037, now seen corresponding path program 1 times [2022-03-20 02:47:44,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:47:44,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717979845] [2022-03-20 02:47:44,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:47:44,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:47:44,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:47:44,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:47:44,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:47:44,954 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-20 02:47:44,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:47:44,955 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717979845] [2022-03-20 02:47:44,955 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717979845] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:47:44,955 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:47:44,955 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 02:47:44,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961392256] [2022-03-20 02:47:44,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:47:44,956 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 02:47:44,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:47:44,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 02:47:44,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 02:47:44,957 INFO L87 Difference]: Start difference. First operand 166 states and 252 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 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) [2022-03-20 02:47:46,982 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 [] [2022-03-20 02:47:47,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:47:47,437 INFO L93 Difference]: Finished difference Result 321 states and 486 transitions. [2022-03-20 02:47:47,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 02:47:47,438 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 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 66 [2022-03-20 02:47:47,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:47:47,440 INFO L225 Difference]: With dead ends: 321 [2022-03-20 02:47:47,440 INFO L226 Difference]: Without dead ends: 181 [2022-03-20 02:47:47,440 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 02:47:47,441 INFO L913 BasicCegarLoop]: 182 mSDtfsCounter, 22 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 349 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 466 SdHoareTripleChecker+Invalid, 359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 349 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-03-20 02:47:47,442 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [22 Valid, 466 Invalid, 359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 349 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-03-20 02:47:47,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2022-03-20 02:47:47,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 166. [2022-03-20 02:47:47,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 161 states have (on average 1.5341614906832297) internal successors, (247), 161 states have internal predecessors, (247), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:47:47,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 251 transitions. [2022-03-20 02:47:47,476 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 251 transitions. Word has length 66 [2022-03-20 02:47:47,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:47:47,476 INFO L478 AbstractCegarLoop]: Abstraction has 166 states and 251 transitions. [2022-03-20 02:47:47,476 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 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) [2022-03-20 02:47:47,476 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 251 transitions. [2022-03-20 02:47:47,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-03-20 02:47:47,478 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:47:47,478 INFO L499 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 02:47:47,478 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-20 02:47:47,479 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:47:47,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:47:47,479 INFO L85 PathProgramCache]: Analyzing trace with hash -498657998, now seen corresponding path program 1 times [2022-03-20 02:47:47,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:47:47,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601957165] [2022-03-20 02:47:47,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:47:47,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:47:47,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:47:47,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:47:47,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:47:47,620 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-20 02:47:47,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:47:47,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601957165] [2022-03-20 02:47:47,621 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [601957165] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:47:47,621 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:47:47,621 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 02:47:47,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464771538] [2022-03-20 02:47:47,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:47:47,622 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 02:47:47,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:47:47,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 02:47:47,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 02:47:47,623 INFO L87 Difference]: Start difference. First operand 166 states and 251 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 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) [2022-03-20 02:47:49,631 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:47:50,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:47:50,029 INFO L93 Difference]: Finished difference Result 320 states and 484 transitions. [2022-03-20 02:47:50,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 02:47:50,030 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 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 66 [2022-03-20 02:47:50,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:47:50,031 INFO L225 Difference]: With dead ends: 320 [2022-03-20 02:47:50,031 INFO L226 Difference]: Without dead ends: 180 [2022-03-20 02:47:50,031 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 02:47:50,032 INFO L913 BasicCegarLoop]: 183 mSDtfsCounter, 20 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 347 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 468 SdHoareTripleChecker+Invalid, 357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 347 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-20 02:47:50,032 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 468 Invalid, 357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 347 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-20 02:47:50,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2022-03-20 02:47:50,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 166. [2022-03-20 02:47:50,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 161 states have (on average 1.5279503105590062) internal successors, (246), 161 states have internal predecessors, (246), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:47:50,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 250 transitions. [2022-03-20 02:47:50,038 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 250 transitions. Word has length 66 [2022-03-20 02:47:50,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:47:50,038 INFO L478 AbstractCegarLoop]: Abstraction has 166 states and 250 transitions. [2022-03-20 02:47:50,039 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 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) [2022-03-20 02:47:50,039 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 250 transitions. [2022-03-20 02:47:50,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-03-20 02:47:50,042 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:47:50,044 INFO L499 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 02:47:50,045 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-20 02:47:50,045 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:47:50,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:47:50,045 INFO L85 PathProgramCache]: Analyzing trace with hash -2086075870, now seen corresponding path program 1 times [2022-03-20 02:47:50,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:47:50,046 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297543836] [2022-03-20 02:47:50,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:47:50,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:47:50,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:47:50,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:47:50,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:47:50,150 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-20 02:47:50,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:47:50,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297543836] [2022-03-20 02:47:50,150 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1297543836] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:47:50,150 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:47:50,150 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 02:47:50,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737973721] [2022-03-20 02:47:50,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:47:50,151 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 02:47:50,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:47:50,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 02:47:50,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 02:47:50,152 INFO L87 Difference]: Start difference. First operand 166 states and 250 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:47:52,160 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:47:52,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:47:52,570 INFO L93 Difference]: Finished difference Result 319 states and 482 transitions. [2022-03-20 02:47:52,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 02:47:52,571 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 67 [2022-03-20 02:47:52,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:47:52,572 INFO L225 Difference]: With dead ends: 319 [2022-03-20 02:47:52,572 INFO L226 Difference]: Without dead ends: 179 [2022-03-20 02:47:52,572 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 02:47:52,573 INFO L913 BasicCegarLoop]: 184 mSDtfsCounter, 26 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 345 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 470 SdHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 345 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-20 02:47:52,573 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [26 Valid, 470 Invalid, 354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 345 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-20 02:47:52,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2022-03-20 02:47:52,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 166. [2022-03-20 02:47:52,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 161 states have (on average 1.5217391304347827) internal successors, (245), 161 states have internal predecessors, (245), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:47:52,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 249 transitions. [2022-03-20 02:47:52,578 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 249 transitions. Word has length 67 [2022-03-20 02:47:52,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:47:52,578 INFO L478 AbstractCegarLoop]: Abstraction has 166 states and 249 transitions. [2022-03-20 02:47:52,578 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:47:52,578 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 249 transitions. [2022-03-20 02:47:52,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-03-20 02:47:52,579 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:47:52,579 INFO L499 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 02:47:52,579 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-20 02:47:52,579 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:47:52,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:47:52,580 INFO L85 PathProgramCache]: Analyzing trace with hash -1877545714, now seen corresponding path program 1 times [2022-03-20 02:47:52,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:47:52,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621650640] [2022-03-20 02:47:52,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:47:52,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:47:52,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:47:52,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:47:52,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:47:52,698 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-20 02:47:52,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:47:52,699 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621650640] [2022-03-20 02:47:52,699 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1621650640] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:47:52,699 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:47:52,699 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 02:47:52,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095584724] [2022-03-20 02:47:52,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:47:52,699 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 02:47:52,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:47:52,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 02:47:52,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 02:47:52,701 INFO L87 Difference]: Start difference. First operand 166 states and 249 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:47:54,709 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:47:55,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:47:55,286 INFO L93 Difference]: Finished difference Result 422 states and 643 transitions. [2022-03-20 02:47:55,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 02:47:55,286 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 67 [2022-03-20 02:47:55,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:47:55,289 INFO L225 Difference]: With dead ends: 422 [2022-03-20 02:47:55,289 INFO L226 Difference]: Without dead ends: 282 [2022-03-20 02:47:55,290 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 02:47:55,292 INFO L913 BasicCegarLoop]: 110 mSDtfsCounter, 144 mSDsluCounter, 211 mSDsCounter, 0 mSdLazyCounter, 466 mSolverCounterSat, 64 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 466 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-03-20 02:47:55,293 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [144 Valid, 321 Invalid, 531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 466 Invalid, 1 Unknown, 0 Unchecked, 2.6s Time] [2022-03-20 02:47:55,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2022-03-20 02:47:55,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 178. [2022-03-20 02:47:55,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 173 states have (on average 1.5086705202312138) internal successors, (261), 173 states have internal predecessors, (261), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:47:55,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 265 transitions. [2022-03-20 02:47:55,311 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 265 transitions. Word has length 67 [2022-03-20 02:47:55,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:47:55,312 INFO L478 AbstractCegarLoop]: Abstraction has 178 states and 265 transitions. [2022-03-20 02:47:55,312 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:47:55,312 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 265 transitions. [2022-03-20 02:47:55,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-03-20 02:47:55,313 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:47:55,314 INFO L499 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 02:47:55,314 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-03-20 02:47:55,314 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:47:55,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:47:55,314 INFO L85 PathProgramCache]: Analyzing trace with hash -175906935, now seen corresponding path program 1 times [2022-03-20 02:47:55,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:47:55,315 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662328440] [2022-03-20 02:47:55,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:47:55,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:47:55,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:47:55,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:47:55,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:47:55,438 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-20 02:47:55,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:47:55,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662328440] [2022-03-20 02:47:55,439 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1662328440] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:47:55,439 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:47:55,439 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 02:47:55,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949746799] [2022-03-20 02:47:55,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:47:55,440 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 02:47:55,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:47:55,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 02:47:55,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 02:47:55,441 INFO L87 Difference]: Start difference. First operand 178 states and 265 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:47:57,189 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:47:59,226 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:48:01,247 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:48:03,269 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 [] [2022-03-20 02:48:03,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:48:03,625 INFO L93 Difference]: Finished difference Result 343 states and 514 transitions. [2022-03-20 02:48:03,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 02:48:03,626 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 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 68 [2022-03-20 02:48:03,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:48:03,627 INFO L225 Difference]: With dead ends: 343 [2022-03-20 02:48:03,627 INFO L226 Difference]: Without dead ends: 191 [2022-03-20 02:48:03,628 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 02:48:03,628 INFO L913 BasicCegarLoop]: 184 mSDtfsCounter, 22 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 346 mSolverCounterSat, 8 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 470 SdHoareTripleChecker+Invalid, 357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 346 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2022-03-20 02:48:03,628 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [22 Valid, 470 Invalid, 357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 346 Invalid, 3 Unknown, 0 Unchecked, 8.2s Time] [2022-03-20 02:48:03,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2022-03-20 02:48:03,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 178. [2022-03-20 02:48:03,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 173 states have (on average 1.5028901734104045) internal successors, (260), 173 states have internal predecessors, (260), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:48:03,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 264 transitions. [2022-03-20 02:48:03,633 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 264 transitions. Word has length 68 [2022-03-20 02:48:03,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:48:03,633 INFO L478 AbstractCegarLoop]: Abstraction has 178 states and 264 transitions. [2022-03-20 02:48:03,634 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:48:03,634 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 264 transitions. [2022-03-20 02:48:03,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-03-20 02:48:03,636 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:48:03,636 INFO L499 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 02:48:03,637 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-03-20 02:48:03,637 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:48:03,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:48:03,637 INFO L85 PathProgramCache]: Analyzing trace with hash -167412983, now seen corresponding path program 1 times [2022-03-20 02:48:03,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:48:03,637 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864841340] [2022-03-20 02:48:03,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:48:03,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:48:03,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:48:03,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:48:03,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:48:03,736 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-20 02:48:03,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:48:03,736 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864841340] [2022-03-20 02:48:03,737 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864841340] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:48:03,737 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:48:03,737 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 02:48:03,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328921233] [2022-03-20 02:48:03,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:48:03,737 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 02:48:03,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:48:03,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 02:48:03,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 02:48:03,738 INFO L87 Difference]: Start difference. First operand 178 states and 264 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:48:05,748 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:48:06,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:48:06,121 INFO L93 Difference]: Finished difference Result 343 states and 513 transitions. [2022-03-20 02:48:06,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 02:48:06,122 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 69 [2022-03-20 02:48:06,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:48:06,122 INFO L225 Difference]: With dead ends: 343 [2022-03-20 02:48:06,123 INFO L226 Difference]: Without dead ends: 191 [2022-03-20 02:48:06,123 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 02:48:06,123 INFO L913 BasicCegarLoop]: 184 mSDtfsCounter, 20 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 345 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 470 SdHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 345 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-20 02:48:06,124 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 470 Invalid, 354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 345 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-20 02:48:06,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2022-03-20 02:48:06,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 178. [2022-03-20 02:48:06,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 173 states have (on average 1.4971098265895955) internal successors, (259), 173 states have internal predecessors, (259), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:48:06,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 263 transitions. [2022-03-20 02:48:06,128 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 263 transitions. Word has length 69 [2022-03-20 02:48:06,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:48:06,129 INFO L478 AbstractCegarLoop]: Abstraction has 178 states and 263 transitions. [2022-03-20 02:48:06,129 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:48:06,129 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 263 transitions. [2022-03-20 02:48:06,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-03-20 02:48:06,131 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:48:06,131 INFO L499 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 02:48:06,131 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-03-20 02:48:06,132 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:48:06,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:48:06,132 INFO L85 PathProgramCache]: Analyzing trace with hash -1642777843, now seen corresponding path program 1 times [2022-03-20 02:48:06,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:48:06,132 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132122624] [2022-03-20 02:48:06,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:48:06,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:48:06,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:48:06,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:48:06,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:48:06,235 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-20 02:48:06,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:48:06,236 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132122624] [2022-03-20 02:48:06,236 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2132122624] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:48:06,236 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:48:06,236 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 02:48:06,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327618733] [2022-03-20 02:48:06,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:48:06,237 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 02:48:06,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:48:06,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 02:48:06,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 02:48:06,237 INFO L87 Difference]: Start difference. First operand 178 states and 263 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:48:08,251 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:48:08,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:48:08,717 INFO L93 Difference]: Finished difference Result 450 states and 680 transitions. [2022-03-20 02:48:08,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 02:48:08,718 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 69 [2022-03-20 02:48:08,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:48:08,719 INFO L225 Difference]: With dead ends: 450 [2022-03-20 02:48:08,720 INFO L226 Difference]: Without dead ends: 298 [2022-03-20 02:48:08,720 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 02:48:08,724 INFO L913 BasicCegarLoop]: 110 mSDtfsCounter, 112 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 467 mSolverCounterSat, 63 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 467 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-03-20 02:48:08,724 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [112 Valid, 322 Invalid, 531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 467 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-03-20 02:48:08,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2022-03-20 02:48:08,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 225. [2022-03-20 02:48:08,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 220 states have (on average 1.5681818181818181) internal successors, (345), 220 states have internal predecessors, (345), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:48:08,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 349 transitions. [2022-03-20 02:48:08,734 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 349 transitions. Word has length 69 [2022-03-20 02:48:08,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:48:08,734 INFO L478 AbstractCegarLoop]: Abstraction has 225 states and 349 transitions. [2022-03-20 02:48:08,735 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:48:08,735 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 349 transitions. [2022-03-20 02:48:08,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-03-20 02:48:08,735 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:48:08,736 INFO L499 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 02:48:08,736 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-03-20 02:48:08,736 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:48:08,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:48:08,736 INFO L85 PathProgramCache]: Analyzing trace with hash 606399189, now seen corresponding path program 1 times [2022-03-20 02:48:08,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:48:08,737 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638597606] [2022-03-20 02:48:08,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:48:08,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:48:08,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:48:08,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:48:08,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:48:08,884 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-20 02:48:08,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:48:08,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638597606] [2022-03-20 02:48:08,885 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638597606] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:48:08,885 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:48:08,885 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 02:48:08,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953572863] [2022-03-20 02:48:08,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:48:08,885 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 02:48:08,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:48:08,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 02:48:08,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 02:48:08,886 INFO L87 Difference]: Start difference. First operand 225 states and 349 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:48:10,895 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:48:11,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:48:11,350 INFO L93 Difference]: Finished difference Result 524 states and 819 transitions. [2022-03-20 02:48:11,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 02:48:11,350 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 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 70 [2022-03-20 02:48:11,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:48:11,352 INFO L225 Difference]: With dead ends: 524 [2022-03-20 02:48:11,352 INFO L226 Difference]: Without dead ends: 323 [2022-03-20 02:48:11,352 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 02:48:11,353 INFO L913 BasicCegarLoop]: 118 mSDtfsCounter, 113 mSDsluCounter, 219 mSDsCounter, 0 mSdLazyCounter, 474 mSolverCounterSat, 62 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 474 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-20 02:48:11,353 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [113 Valid, 337 Invalid, 537 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 474 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-20 02:48:11,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2022-03-20 02:48:11,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 251. [2022-03-20 02:48:11,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 246 states have (on average 1.6097560975609757) internal successors, (396), 246 states have internal predecessors, (396), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:48:11,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 400 transitions. [2022-03-20 02:48:11,359 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 400 transitions. Word has length 70 [2022-03-20 02:48:11,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:48:11,359 INFO L478 AbstractCegarLoop]: Abstraction has 251 states and 400 transitions. [2022-03-20 02:48:11,359 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:48:11,359 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 400 transitions. [2022-03-20 02:48:11,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-03-20 02:48:11,360 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:48:11,360 INFO L499 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 02:48:11,360 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-03-20 02:48:11,360 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:48:11,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:48:11,361 INFO L85 PathProgramCache]: Analyzing trace with hash 2001849160, now seen corresponding path program 1 times [2022-03-20 02:48:11,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:48:11,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102906382] [2022-03-20 02:48:11,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:48:11,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:48:11,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:48:11,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:48:11,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:48:11,453 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-03-20 02:48:11,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:48:11,454 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102906382] [2022-03-20 02:48:11,454 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1102906382] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:48:11,454 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:48:11,454 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 02:48:11,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858381736] [2022-03-20 02:48:11,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:48:11,454 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 02:48:11,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:48:11,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 02:48:11,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 02:48:11,455 INFO L87 Difference]: Start difference. First operand 251 states and 400 transitions. Second operand has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:48:13,463 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:48:13,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:48:13,868 INFO L93 Difference]: Finished difference Result 519 states and 833 transitions. [2022-03-20 02:48:13,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 02:48:13,869 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 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 99 [2022-03-20 02:48:13,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:48:13,870 INFO L225 Difference]: With dead ends: 519 [2022-03-20 02:48:13,870 INFO L226 Difference]: Without dead ends: 294 [2022-03-20 02:48:13,871 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 02:48:13,871 INFO L913 BasicCegarLoop]: 203 mSDtfsCounter, 32 mSDsluCounter, 311 mSDsCounter, 0 mSdLazyCounter, 406 mSolverCounterSat, 11 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 514 SdHoareTripleChecker+Invalid, 418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 406 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-20 02:48:13,871 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [32 Valid, 514 Invalid, 418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 406 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-20 02:48:13,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2022-03-20 02:48:13,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 273. [2022-03-20 02:48:13,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 268 states have (on average 1.6119402985074627) internal successors, (432), 268 states have internal predecessors, (432), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:48:13,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 436 transitions. [2022-03-20 02:48:13,878 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 436 transitions. Word has length 99 [2022-03-20 02:48:13,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:48:13,878 INFO L478 AbstractCegarLoop]: Abstraction has 273 states and 436 transitions. [2022-03-20 02:48:13,878 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:48:13,878 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 436 transitions. [2022-03-20 02:48:13,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-03-20 02:48:13,879 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:48:13,879 INFO L499 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 02:48:13,879 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-03-20 02:48:13,879 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:48:13,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:48:13,879 INFO L85 PathProgramCache]: Analyzing trace with hash 1138549791, now seen corresponding path program 1 times [2022-03-20 02:48:13,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:48:13,880 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547067763] [2022-03-20 02:48:13,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:48:13,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:48:13,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:48:13,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:48:13,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:48:13,994 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-03-20 02:48:13,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:48:13,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547067763] [2022-03-20 02:48:13,995 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1547067763] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:48:13,995 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:48:13,995 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 02:48:13,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295070003] [2022-03-20 02:48:13,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:48:13,995 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 02:48:13,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:48:13,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 02:48:13,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 02:48:13,996 INFO L87 Difference]: Start difference. First operand 273 states and 436 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) [2022-03-20 02:48:16,003 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:48:16,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:48:16,480 INFO L93 Difference]: Finished difference Result 592 states and 938 transitions. [2022-03-20 02:48:16,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 02:48:16,481 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 100 [2022-03-20 02:48:16,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:48:16,482 INFO L225 Difference]: With dead ends: 592 [2022-03-20 02:48:16,483 INFO L226 Difference]: Without dead ends: 345 [2022-03-20 02:48:16,483 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 02:48:16,484 INFO L913 BasicCegarLoop]: 120 mSDtfsCounter, 138 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 473 mSolverCounterSat, 63 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 473 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-03-20 02:48:16,484 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [138 Valid, 341 Invalid, 537 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 473 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-03-20 02:48:16,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2022-03-20 02:48:16,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 273. [2022-03-20 02:48:16,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 268 states have (on average 1.5932835820895523) internal successors, (427), 268 states have internal predecessors, (427), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:48:16,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 431 transitions. [2022-03-20 02:48:16,490 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 431 transitions. Word has length 100 [2022-03-20 02:48:16,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:48:16,490 INFO L478 AbstractCegarLoop]: Abstraction has 273 states and 431 transitions. [2022-03-20 02:48:16,490 INFO L479 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) [2022-03-20 02:48:16,491 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 431 transitions. [2022-03-20 02:48:16,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-20 02:48:16,491 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:48:16,492 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 02:48:16,492 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-03-20 02:48:16,492 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:48:16,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:48:16,492 INFO L85 PathProgramCache]: Analyzing trace with hash 1952330836, now seen corresponding path program 1 times [2022-03-20 02:48:16,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:48:16,492 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124771031] [2022-03-20 02:48:16,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:48:16,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:48:16,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:48:16,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:48:16,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:48:16,605 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-03-20 02:48:16,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:48:16,605 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124771031] [2022-03-20 02:48:16,606 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124771031] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:48:16,606 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:48:16,606 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 02:48:16,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936723592] [2022-03-20 02:48:16,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:48:16,606 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 02:48:16,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:48:16,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 02:48:16,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 02:48:16,607 INFO L87 Difference]: Start difference. First operand 273 states and 431 transitions. Second operand has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:48:18,623 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:48:19,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:48:19,138 INFO L93 Difference]: Finished difference Result 592 states and 929 transitions. [2022-03-20 02:48:19,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 02:48:19,138 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 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 113 [2022-03-20 02:48:19,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:48:19,140 INFO L225 Difference]: With dead ends: 592 [2022-03-20 02:48:19,140 INFO L226 Difference]: Without dead ends: 345 [2022-03-20 02:48:19,141 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 02:48:19,141 INFO L913 BasicCegarLoop]: 120 mSDtfsCounter, 136 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 473 mSolverCounterSat, 63 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 473 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-03-20 02:48:19,142 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [136 Valid, 341 Invalid, 537 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 473 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-03-20 02:48:19,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2022-03-20 02:48:19,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 273. [2022-03-20 02:48:19,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 268 states have (on average 1.5820895522388059) internal successors, (424), 268 states have internal predecessors, (424), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:48:19,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 428 transitions. [2022-03-20 02:48:19,148 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 428 transitions. Word has length 113 [2022-03-20 02:48:19,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:48:19,149 INFO L478 AbstractCegarLoop]: Abstraction has 273 states and 428 transitions. [2022-03-20 02:48:19,149 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:48:19,149 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 428 transitions. [2022-03-20 02:48:19,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-20 02:48:19,150 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:48:19,150 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 02:48:19,150 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-03-20 02:48:19,150 INFO L403 AbstractCegarLoop]: === Iteration 14 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:48:19,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:48:19,151 INFO L85 PathProgramCache]: Analyzing trace with hash 1683189401, now seen corresponding path program 1 times [2022-03-20 02:48:19,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:48:19,151 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039757668] [2022-03-20 02:48:19,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:48:19,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:48:19,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:48:19,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:48:19,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:48:19,263 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-03-20 02:48:19,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:48:19,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039757668] [2022-03-20 02:48:19,263 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039757668] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:48:19,264 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:48:19,264 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 02:48:19,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958810945] [2022-03-20 02:48:19,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:48:19,264 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 02:48:19,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:48:19,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 02:48:19,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 02:48:19,265 INFO L87 Difference]: Start difference. First operand 273 states and 428 transitions. Second operand has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:48:21,274 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:48:21,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:48:21,735 INFO L93 Difference]: Finished difference Result 591 states and 922 transitions. [2022-03-20 02:48:21,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 02:48:21,735 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 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 113 [2022-03-20 02:48:21,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:48:21,736 INFO L225 Difference]: With dead ends: 591 [2022-03-20 02:48:21,737 INFO L226 Difference]: Without dead ends: 344 [2022-03-20 02:48:21,737 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 02:48:21,738 INFO L913 BasicCegarLoop]: 121 mSDtfsCounter, 134 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 471 mSolverCounterSat, 62 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 534 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 471 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-20 02:48:21,738 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [134 Valid, 343 Invalid, 534 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 471 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-20 02:48:21,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2022-03-20 02:48:21,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 273. [2022-03-20 02:48:21,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 268 states have (on average 1.5708955223880596) internal successors, (421), 268 states have internal predecessors, (421), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:48:21,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 425 transitions. [2022-03-20 02:48:21,744 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 425 transitions. Word has length 113 [2022-03-20 02:48:21,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:48:21,744 INFO L478 AbstractCegarLoop]: Abstraction has 273 states and 425 transitions. [2022-03-20 02:48:21,744 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:48:21,745 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 425 transitions. [2022-03-20 02:48:21,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-20 02:48:21,746 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:48:21,746 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 02:48:21,746 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-03-20 02:48:21,746 INFO L403 AbstractCegarLoop]: === Iteration 15 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:48:21,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:48:21,747 INFO L85 PathProgramCache]: Analyzing trace with hash -2133756623, now seen corresponding path program 1 times [2022-03-20 02:48:21,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:48:21,747 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328126307] [2022-03-20 02:48:21,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:48:21,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:48:21,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:48:21,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:48:21,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:48:21,846 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-03-20 02:48:21,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:48:21,847 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328126307] [2022-03-20 02:48:21,847 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [328126307] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:48:21,847 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:48:21,847 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 02:48:21,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710993301] [2022-03-20 02:48:21,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:48:21,848 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 02:48:21,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:48:21,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 02:48:21,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 02:48:21,848 INFO L87 Difference]: Start difference. First operand 273 states and 425 transitions. Second operand has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:48:23,863 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:48:24,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:48:24,335 INFO L93 Difference]: Finished difference Result 533 states and 836 transitions. [2022-03-20 02:48:24,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 02:48:24,335 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 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 114 [2022-03-20 02:48:24,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:48:24,336 INFO L225 Difference]: With dead ends: 533 [2022-03-20 02:48:24,336 INFO L226 Difference]: Without dead ends: 286 [2022-03-20 02:48:24,337 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 02:48:24,337 INFO L913 BasicCegarLoop]: 221 mSDtfsCounter, 20 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 549 SdHoareTripleChecker+Invalid, 397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 386 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-03-20 02:48:24,338 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 549 Invalid, 397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 386 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-03-20 02:48:24,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2022-03-20 02:48:24,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 273. [2022-03-20 02:48:24,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 268 states have (on average 1.5671641791044777) internal successors, (420), 268 states have internal predecessors, (420), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:48:24,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 424 transitions. [2022-03-20 02:48:24,342 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 424 transitions. Word has length 114 [2022-03-20 02:48:24,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:48:24,342 INFO L478 AbstractCegarLoop]: Abstraction has 273 states and 424 transitions. [2022-03-20 02:48:24,343 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:48:24,343 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 424 transitions. [2022-03-20 02:48:24,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-03-20 02:48:24,343 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:48:24,344 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 02:48:24,344 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-03-20 02:48:24,344 INFO L403 AbstractCegarLoop]: === Iteration 16 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:48:24,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:48:24,344 INFO L85 PathProgramCache]: Analyzing trace with hash -98519058, now seen corresponding path program 1 times [2022-03-20 02:48:24,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:48:24,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459392950] [2022-03-20 02:48:24,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:48:24,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:48:24,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:48:24,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:48:24,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:48:24,445 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-03-20 02:48:24,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:48:24,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459392950] [2022-03-20 02:48:24,445 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459392950] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:48:24,445 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:48:24,446 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-20 02:48:24,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026257517] [2022-03-20 02:48:24,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:48:24,446 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-20 02:48:24,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:48:24,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-20 02:48:24,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-03-20 02:48:24,446 INFO L87 Difference]: Start difference. First operand 273 states and 424 transitions. Second operand has 6 states, 6 states have (on average 14.0) internal successors, (84), 5 states have internal predecessors, (84), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:48:26,459 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:48:26,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:48:26,855 INFO L93 Difference]: Finished difference Result 529 states and 830 transitions. [2022-03-20 02:48:26,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-20 02:48:26,855 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 5 states have internal predecessors, (84), 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 115 [2022-03-20 02:48:26,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:48:26,857 INFO L225 Difference]: With dead ends: 529 [2022-03-20 02:48:26,857 INFO L226 Difference]: Without dead ends: 282 [2022-03-20 02:48:26,858 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-03-20 02:48:26,858 INFO L913 BasicCegarLoop]: 196 mSDtfsCounter, 2 mSDsluCounter, 409 mSDsCounter, 0 mSdLazyCounter, 424 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 605 SdHoareTripleChecker+Invalid, 429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 424 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-20 02:48:26,858 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 605 Invalid, 429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 424 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-20 02:48:26,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2022-03-20 02:48:26,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2022-03-20 02:48:26,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 277 states have (on average 1.555956678700361) internal successors, (431), 277 states have internal predecessors, (431), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:48:26,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 435 transitions. [2022-03-20 02:48:26,871 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 435 transitions. Word has length 115 [2022-03-20 02:48:26,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:48:26,872 INFO L478 AbstractCegarLoop]: Abstraction has 282 states and 435 transitions. [2022-03-20 02:48:26,872 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 5 states have internal predecessors, (84), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:48:26,872 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 435 transitions. [2022-03-20 02:48:26,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-20 02:48:26,873 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:48:26,873 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 02:48:26,873 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-03-20 02:48:26,873 INFO L403 AbstractCegarLoop]: === Iteration 17 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:48:26,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:48:26,874 INFO L85 PathProgramCache]: Analyzing trace with hash 2075689295, now seen corresponding path program 1 times [2022-03-20 02:48:26,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:48:26,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902538330] [2022-03-20 02:48:26,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:48:26,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:48:26,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:48:26,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:48:26,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:48:26,963 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-03-20 02:48:26,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:48:26,964 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902538330] [2022-03-20 02:48:26,964 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1902538330] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:48:26,964 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:48:26,964 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 02:48:26,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426541309] [2022-03-20 02:48:26,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:48:26,965 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 02:48:26,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:48:26,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 02:48:26,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 02:48:26,965 INFO L87 Difference]: Start difference. First operand 282 states and 435 transitions. Second operand has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:48:28,976 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:48:29,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:48:29,312 INFO L93 Difference]: Finished difference Result 565 states and 875 transitions. [2022-03-20 02:48:29,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 02:48:29,313 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 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 116 [2022-03-20 02:48:29,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:48:29,314 INFO L225 Difference]: With dead ends: 565 [2022-03-20 02:48:29,314 INFO L226 Difference]: Without dead ends: 309 [2022-03-20 02:48:29,314 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 02:48:29,315 INFO L913 BasicCegarLoop]: 191 mSDtfsCounter, 37 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 380 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 488 SdHoareTripleChecker+Invalid, 391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 380 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-03-20 02:48:29,315 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [37 Valid, 488 Invalid, 391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 380 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-03-20 02:48:29,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2022-03-20 02:48:29,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 282. [2022-03-20 02:48:29,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 277 states have (on average 1.552346570397112) internal successors, (430), 277 states have internal predecessors, (430), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:48:29,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 434 transitions. [2022-03-20 02:48:29,320 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 434 transitions. Word has length 116 [2022-03-20 02:48:29,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:48:29,320 INFO L478 AbstractCegarLoop]: Abstraction has 282 states and 434 transitions. [2022-03-20 02:48:29,320 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:48:29,320 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 434 transitions. [2022-03-20 02:48:29,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-03-20 02:48:29,321 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:48:29,321 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 02:48:29,321 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-03-20 02:48:29,321 INFO L403 AbstractCegarLoop]: === Iteration 18 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:48:29,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:48:29,322 INFO L85 PathProgramCache]: Analyzing trace with hash 1112626983, now seen corresponding path program 1 times [2022-03-20 02:48:29,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:48:29,322 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425732052] [2022-03-20 02:48:29,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:48:29,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:48:29,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:48:29,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:48:29,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:48:29,417 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-03-20 02:48:29,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:48:29,418 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425732052] [2022-03-20 02:48:29,418 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425732052] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:48:29,418 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:48:29,418 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 02:48:29,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101097118] [2022-03-20 02:48:29,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:48:29,418 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 02:48:29,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:48:29,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 02:48:29,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 02:48:29,419 INFO L87 Difference]: Start difference. First operand 282 states and 434 transitions. Second operand has 5 states, 5 states have (on average 17.4) internal successors, (87), 4 states have internal predecessors, (87), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:48:31,431 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:48:31,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:48:31,796 INFO L93 Difference]: Finished difference Result 555 states and 860 transitions. [2022-03-20 02:48:31,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 02:48:31,796 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 4 states have internal predecessors, (87), 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 117 [2022-03-20 02:48:31,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:48:31,797 INFO L225 Difference]: With dead ends: 555 [2022-03-20 02:48:31,797 INFO L226 Difference]: Without dead ends: 299 [2022-03-20 02:48:31,798 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 02:48:31,798 INFO L913 BasicCegarLoop]: 192 mSDtfsCounter, 34 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 378 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 378 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-20 02:48:31,798 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 490 Invalid, 389 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 378 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-20 02:48:31,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2022-03-20 02:48:31,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 282. [2022-03-20 02:48:31,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 277 states have (on average 1.5487364620938628) internal successors, (429), 277 states have internal predecessors, (429), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:48:31,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 433 transitions. [2022-03-20 02:48:31,803 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 433 transitions. Word has length 117 [2022-03-20 02:48:31,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:48:31,804 INFO L478 AbstractCegarLoop]: Abstraction has 282 states and 433 transitions. [2022-03-20 02:48:31,804 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 4 states have internal predecessors, (87), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:48:31,804 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 433 transitions. [2022-03-20 02:48:31,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-03-20 02:48:31,804 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:48:31,805 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 02:48:31,805 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-03-20 02:48:31,805 INFO L403 AbstractCegarLoop]: === Iteration 19 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:48:31,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:48:31,805 INFO L85 PathProgramCache]: Analyzing trace with hash 502133768, now seen corresponding path program 1 times [2022-03-20 02:48:31,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:48:31,805 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435316924] [2022-03-20 02:48:31,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:48:31,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:48:31,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:48:31,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:48:31,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:48:31,920 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-03-20 02:48:31,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:48:31,920 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435316924] [2022-03-20 02:48:31,920 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [435316924] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:48:31,920 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:48:31,921 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 02:48:31,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353230705] [2022-03-20 02:48:31,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:48:31,921 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 02:48:31,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:48:31,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 02:48:31,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 02:48:31,922 INFO L87 Difference]: Start difference. First operand 282 states and 433 transitions. Second operand has 5 states, 5 states have (on average 21.4) internal successors, (107), 4 states have internal predecessors, (107), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:48:33,932 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:48:34,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:48:34,412 INFO L93 Difference]: Finished difference Result 656 states and 1011 transitions. [2022-03-20 02:48:34,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 02:48:34,412 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.4) internal successors, (107), 4 states have internal predecessors, (107), 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 121 [2022-03-20 02:48:34,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:48:34,413 INFO L225 Difference]: With dead ends: 656 [2022-03-20 02:48:34,414 INFO L226 Difference]: Without dead ends: 400 [2022-03-20 02:48:34,414 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 02:48:34,414 INFO L913 BasicCegarLoop]: 127 mSDtfsCounter, 117 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 467 mSolverCounterSat, 49 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 467 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-03-20 02:48:34,415 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [117 Valid, 355 Invalid, 517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 467 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-03-20 02:48:34,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states. [2022-03-20 02:48:34,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 314. [2022-03-20 02:48:34,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 309 states have (on average 1.5566343042071198) internal successors, (481), 309 states have internal predecessors, (481), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:48:34,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 485 transitions. [2022-03-20 02:48:34,422 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 485 transitions. Word has length 121 [2022-03-20 02:48:34,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:48:34,422 INFO L478 AbstractCegarLoop]: Abstraction has 314 states and 485 transitions. [2022-03-20 02:48:34,423 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.4) internal successors, (107), 4 states have internal predecessors, (107), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:48:34,423 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 485 transitions. [2022-03-20 02:48:34,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-03-20 02:48:34,424 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:48:34,424 INFO L499 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 02:48:34,424 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-03-20 02:48:34,424 INFO L403 AbstractCegarLoop]: === Iteration 20 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:48:34,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:48:34,425 INFO L85 PathProgramCache]: Analyzing trace with hash -1513581320, now seen corresponding path program 1 times [2022-03-20 02:48:34,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:48:34,426 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757151461] [2022-03-20 02:48:34,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:48:34,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:48:34,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:48:34,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:48:34,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:48:34,561 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2022-03-20 02:48:34,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:48:34,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757151461] [2022-03-20 02:48:34,561 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1757151461] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:48:34,562 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:48:34,562 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 02:48:34,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258001745] [2022-03-20 02:48:34,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:48:34,562 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 02:48:34,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:48:34,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 02:48:34,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 02:48:34,563 INFO L87 Difference]: Start difference. First operand 314 states and 485 transitions. Second operand has 5 states, 5 states have (on average 17.4) internal successors, (87), 4 states have internal predecessors, (87), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:48:36,572 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:48:36,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:48:36,967 INFO L93 Difference]: Finished difference Result 609 states and 950 transitions. [2022-03-20 02:48:36,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 02:48:36,967 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 4 states have internal predecessors, (87), 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 127 [2022-03-20 02:48:36,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:48:36,968 INFO L225 Difference]: With dead ends: 609 [2022-03-20 02:48:36,969 INFO L226 Difference]: Without dead ends: 321 [2022-03-20 02:48:36,969 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 02:48:36,970 INFO L913 BasicCegarLoop]: 199 mSDtfsCounter, 30 mSDsluCounter, 305 mSDsCounter, 0 mSdLazyCounter, 364 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 504 SdHoareTripleChecker+Invalid, 370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 364 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-20 02:48:36,970 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [30 Valid, 504 Invalid, 370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 364 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-20 02:48:36,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2022-03-20 02:48:36,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 314. [2022-03-20 02:48:36,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 309 states have (on average 1.5533980582524272) internal successors, (480), 309 states have internal predecessors, (480), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:48:36,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 484 transitions. [2022-03-20 02:48:36,975 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 484 transitions. Word has length 127 [2022-03-20 02:48:36,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:48:36,976 INFO L478 AbstractCegarLoop]: Abstraction has 314 states and 484 transitions. [2022-03-20 02:48:36,976 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 4 states have internal predecessors, (87), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:48:36,976 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 484 transitions. [2022-03-20 02:48:36,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-03-20 02:48:36,977 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:48:36,977 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 02:48:36,977 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-03-20 02:48:36,977 INFO L403 AbstractCegarLoop]: === Iteration 21 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:48:36,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:48:36,977 INFO L85 PathProgramCache]: Analyzing trace with hash 773095969, now seen corresponding path program 1 times [2022-03-20 02:48:36,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:48:36,977 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427165086] [2022-03-20 02:48:36,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:48:36,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:48:37,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:48:37,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:48:37,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:48:37,107 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-03-20 02:48:37,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:48:37,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427165086] [2022-03-20 02:48:37,107 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427165086] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:48:37,107 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:48:37,107 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 02:48:37,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848864545] [2022-03-20 02:48:37,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:48:37,108 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 02:48:37,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:48:37,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 02:48:37,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 02:48:37,109 INFO L87 Difference]: Start difference. First operand 314 states and 484 transitions. Second operand has 4 states, 4 states have (on average 25.5) internal successors, (102), 3 states have internal predecessors, (102), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:48:39,130 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 [] [2022-03-20 02:48:39,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:48:39,650 INFO L93 Difference]: Finished difference Result 890 states and 1392 transitions. [2022-03-20 02:48:39,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 02:48:39,651 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 3 states have internal predecessors, (102), 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 132 [2022-03-20 02:48:39,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:48:39,653 INFO L225 Difference]: With dead ends: 890 [2022-03-20 02:48:39,653 INFO L226 Difference]: Without dead ends: 602 [2022-03-20 02:48:39,654 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 02:48:39,654 INFO L913 BasicCegarLoop]: 370 mSDtfsCounter, 143 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 395 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 565 SdHoareTripleChecker+Invalid, 403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 395 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-03-20 02:48:39,654 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [143 Valid, 565 Invalid, 403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 395 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-03-20 02:48:39,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2022-03-20 02:48:39,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 600. [2022-03-20 02:48:39,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 600 states, 595 states have (on average 1.5596638655462185) internal successors, (928), 595 states have internal predecessors, (928), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:48:39,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 932 transitions. [2022-03-20 02:48:39,666 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 932 transitions. Word has length 132 [2022-03-20 02:48:39,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:48:39,667 INFO L478 AbstractCegarLoop]: Abstraction has 600 states and 932 transitions. [2022-03-20 02:48:39,667 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 3 states have internal predecessors, (102), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:48:39,667 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 932 transitions. [2022-03-20 02:48:39,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-03-20 02:48:39,668 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:48:39,669 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 02:48:39,669 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-03-20 02:48:39,669 INFO L403 AbstractCegarLoop]: === Iteration 22 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:48:39,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:48:39,669 INFO L85 PathProgramCache]: Analyzing trace with hash -1276291873, now seen corresponding path program 1 times [2022-03-20 02:48:39,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:48:39,670 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227419879] [2022-03-20 02:48:39,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:48:39,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:48:39,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:48:39,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:48:39,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:48:39,768 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-03-20 02:48:39,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:48:39,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227419879] [2022-03-20 02:48:39,769 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227419879] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:48:39,769 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:48:39,769 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 02:48:39,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699160206] [2022-03-20 02:48:39,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:48:39,769 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 02:48:39,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:48:39,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 02:48:39,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 02:48:39,770 INFO L87 Difference]: Start difference. First operand 600 states and 932 transitions. Second operand has 4 states, 4 states have (on average 29.5) internal successors, (118), 3 states have internal predecessors, (118), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:48:41,783 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:48:42,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:48:42,132 INFO L93 Difference]: Finished difference Result 1415 states and 2211 transitions. [2022-03-20 02:48:42,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 02:48:42,132 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.5) internal successors, (118), 3 states have internal predecessors, (118), 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 132 [2022-03-20 02:48:42,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:48:42,135 INFO L225 Difference]: With dead ends: 1415 [2022-03-20 02:48:42,135 INFO L226 Difference]: Without dead ends: 841 [2022-03-20 02:48:42,136 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 02:48:42,136 INFO L913 BasicCegarLoop]: 243 mSDtfsCounter, 138 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 267 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 438 SdHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 267 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-03-20 02:48:42,136 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [138 Valid, 438 Invalid, 275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 267 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-03-20 02:48:42,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 841 states. [2022-03-20 02:48:42,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 841 to 841. [2022-03-20 02:48:42,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 841 states, 836 states have (on average 1.5538277511961722) internal successors, (1299), 836 states have internal predecessors, (1299), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:48:42,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 841 states to 841 states and 1303 transitions. [2022-03-20 02:48:42,150 INFO L78 Accepts]: Start accepts. Automaton has 841 states and 1303 transitions. Word has length 132 [2022-03-20 02:48:42,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:48:42,150 INFO L478 AbstractCegarLoop]: Abstraction has 841 states and 1303 transitions. [2022-03-20 02:48:42,150 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.5) internal successors, (118), 3 states have internal predecessors, (118), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:48:42,150 INFO L276 IsEmpty]: Start isEmpty. Operand 841 states and 1303 transitions. [2022-03-20 02:48:42,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-03-20 02:48:42,152 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:48:42,152 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 02:48:42,152 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-03-20 02:48:42,152 INFO L403 AbstractCegarLoop]: === Iteration 23 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:48:42,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:48:42,152 INFO L85 PathProgramCache]: Analyzing trace with hash 1060100637, now seen corresponding path program 1 times [2022-03-20 02:48:42,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:48:42,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106598815] [2022-03-20 02:48:42,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:48:42,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:48:42,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:48:42,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:48:42,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:48:42,239 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-03-20 02:48:42,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:48:42,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106598815] [2022-03-20 02:48:42,239 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106598815] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:48:42,239 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:48:42,239 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 02:48:42,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164440764] [2022-03-20 02:48:42,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:48:42,240 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 02:48:42,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:48:42,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 02:48:42,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 02:48:42,240 INFO L87 Difference]: Start difference. First operand 841 states and 1303 transitions. Second operand has 4 states, 4 states have (on average 23.25) internal successors, (93), 3 states have internal predecessors, (93), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:48:44,255 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:48:44,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:48:44,593 INFO L93 Difference]: Finished difference Result 1683 states and 2613 transitions. [2022-03-20 02:48:44,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 02:48:44,594 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 3 states have internal predecessors, (93), 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 132 [2022-03-20 02:48:44,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:48:44,597 INFO L225 Difference]: With dead ends: 1683 [2022-03-20 02:48:44,597 INFO L226 Difference]: Without dead ends: 868 [2022-03-20 02:48:44,598 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 02:48:44,599 INFO L913 BasicCegarLoop]: 216 mSDtfsCounter, 15 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 232 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 411 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 232 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-03-20 02:48:44,599 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 411 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 232 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-03-20 02:48:44,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 868 states. [2022-03-20 02:48:44,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 868 to 868. [2022-03-20 02:48:44,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 868 states, 863 states have (on average 1.5457705677867903) internal successors, (1334), 863 states have internal predecessors, (1334), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:48:44,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 868 states and 1338 transitions. [2022-03-20 02:48:44,615 INFO L78 Accepts]: Start accepts. Automaton has 868 states and 1338 transitions. Word has length 132 [2022-03-20 02:48:44,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:48:44,616 INFO L478 AbstractCegarLoop]: Abstraction has 868 states and 1338 transitions. [2022-03-20 02:48:44,616 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 3 states have internal predecessors, (93), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:48:44,616 INFO L276 IsEmpty]: Start isEmpty. Operand 868 states and 1338 transitions. [2022-03-20 02:48:44,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-03-20 02:48:44,618 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:48:44,618 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 02:48:44,618 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-03-20 02:48:44,618 INFO L403 AbstractCegarLoop]: === Iteration 24 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:48:44,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:48:44,618 INFO L85 PathProgramCache]: Analyzing trace with hash 436819035, now seen corresponding path program 1 times [2022-03-20 02:48:44,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:48:44,619 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105764299] [2022-03-20 02:48:44,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:48:44,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:48:44,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:48:44,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:48:44,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:48:44,722 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2022-03-20 02:48:44,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:48:44,722 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105764299] [2022-03-20 02:48:44,722 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1105764299] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:48:44,722 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:48:44,722 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 02:48:44,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011666436] [2022-03-20 02:48:44,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:48:44,723 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 02:48:44,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:48:44,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 02:48:44,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 02:48:44,723 INFO L87 Difference]: Start difference. First operand 868 states and 1338 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 states have internal predecessors, (77), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:48:46,732 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:48:47,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:48:47,031 INFO L93 Difference]: Finished difference Result 1426 states and 2196 transitions. [2022-03-20 02:48:47,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 02:48:47,031 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 states have internal predecessors, (77), 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 132 [2022-03-20 02:48:47,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:48:47,034 INFO L225 Difference]: With dead ends: 1426 [2022-03-20 02:48:47,034 INFO L226 Difference]: Without dead ends: 584 [2022-03-20 02:48:47,035 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 02:48:47,036 INFO L913 BasicCegarLoop]: 202 mSDtfsCounter, 4 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 388 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-03-20 02:48:47,036 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 388 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 214 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-03-20 02:48:47,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 584 states. [2022-03-20 02:48:47,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 584 to 584. [2022-03-20 02:48:47,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 584 states, 579 states have (on average 1.5250431778929188) internal successors, (883), 579 states have internal predecessors, (883), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:48:47,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 584 states and 887 transitions. [2022-03-20 02:48:47,048 INFO L78 Accepts]: Start accepts. Automaton has 584 states and 887 transitions. Word has length 132 [2022-03-20 02:48:47,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:48:47,048 INFO L478 AbstractCegarLoop]: Abstraction has 584 states and 887 transitions. [2022-03-20 02:48:47,049 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 states have internal predecessors, (77), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:48:47,049 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 887 transitions. [2022-03-20 02:48:47,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-20 02:48:47,050 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:48:47,050 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 02:48:47,050 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-03-20 02:48:47,050 INFO L403 AbstractCegarLoop]: === Iteration 25 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:48:47,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:48:47,051 INFO L85 PathProgramCache]: Analyzing trace with hash -1803828749, now seen corresponding path program 1 times [2022-03-20 02:48:47,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:48:47,051 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043175500] [2022-03-20 02:48:47,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:48:47,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:48:47,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:48:47,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 02:48:47,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 02:48:47,420 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2022-03-20 02:48:47,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 02:48:47,420 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043175500] [2022-03-20 02:48:47,420 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1043175500] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 02:48:47,420 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 02:48:47,420 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-20 02:48:47,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428843672] [2022-03-20 02:48:47,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 02:48:47,420 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-20 02:48:47,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 02:48:47,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-20 02:48:47,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-03-20 02:48:47,421 INFO L87 Difference]: Start difference. First operand 584 states and 887 transitions. Second operand has 7 states, 6 states have (on average 11.333333333333334) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:48:49,434 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 02:48:49,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 02:48:49,926 INFO L93 Difference]: Finished difference Result 1161 states and 1766 transitions. [2022-03-20 02:48:49,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-20 02:48:49,926 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 11.333333333333334) internal successors, (68), 5 states have internal predecessors, (68), 2 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) Word has length 133 [2022-03-20 02:48:49,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 02:48:49,928 INFO L225 Difference]: With dead ends: 1161 [2022-03-20 02:48:49,928 INFO L226 Difference]: Without dead ends: 584 [2022-03-20 02:48:49,929 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-03-20 02:48:49,929 INFO L913 BasicCegarLoop]: 200 mSDtfsCounter, 7 mSDsluCounter, 597 mSDsCounter, 0 mSdLazyCounter, 429 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 797 SdHoareTripleChecker+Invalid, 434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 429 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-20 02:48:49,929 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 797 Invalid, 434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 429 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-20 02:48:49,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 584 states. [2022-03-20 02:48:49,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 584 to 584. [2022-03-20 02:48:49,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 584 states, 579 states have (on average 1.5233160621761659) internal successors, (882), 579 states have internal predecessors, (882), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:48:49,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 584 states and 886 transitions. [2022-03-20 02:48:49,943 INFO L78 Accepts]: Start accepts. Automaton has 584 states and 886 transitions. Word has length 133 [2022-03-20 02:48:49,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 02:48:49,943 INFO L478 AbstractCegarLoop]: Abstraction has 584 states and 886 transitions. [2022-03-20 02:48:49,943 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 11.333333333333334) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 02:48:49,943 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 886 transitions. [2022-03-20 02:48:49,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-20 02:48:49,945 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 02:48:49,945 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 02:48:49,945 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-03-20 02:48:49,945 INFO L403 AbstractCegarLoop]: === Iteration 26 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 02:48:49,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 02:48:49,945 INFO L85 PathProgramCache]: Analyzing trace with hash 2056632949, now seen corresponding path program 1 times [2022-03-20 02:48:49,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 02:48:49,946 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991402888] [2022-03-20 02:48:49,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 02:48:49,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 02:48:50,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-20 02:48:50,290 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-20 02:48:50,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-20 02:48:50,459 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-20 02:48:50,459 INFO L618 BasicCegarLoop]: Counterexample is feasible [2022-03-20 02:48:50,460 INFO L788 garLoopResultBuilder]: Registering result UNSAFE for location ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-03-20 02:48:50,461 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-03-20 02:48:50,465 INFO L719 BasicCegarLoop]: Path program 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] [2022-03-20 02:48:50,467 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-20 02:48:50,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.03 02:48:50 BoogieIcfgContainer [2022-03-20 02:48:50,556 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-20 02:48:50,556 INFO L158 Benchmark]: Toolchain (without parser) took 75347.21ms. Allocated memory was 198.2MB in the beginning and 347.1MB in the end (delta: 148.9MB). Free memory was 144.1MB in the beginning and 241.7MB in the end (delta: -97.6MB). Peak memory consumption was 186.0MB. Max. memory is 8.0GB. [2022-03-20 02:48:50,557 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 198.2MB. Free memory was 162.5MB in the beginning and 162.3MB in the end (delta: 143.3kB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-20 02:48:50,557 INFO L158 Benchmark]: CACSL2BoogieTranslator took 500.52ms. Allocated memory was 198.2MB in the beginning and 288.4MB in the end (delta: 90.2MB). Free memory was 143.8MB in the beginning and 244.4MB in the end (delta: -100.6MB). Peak memory consumption was 14.0MB. Max. memory is 8.0GB. [2022-03-20 02:48:50,557 INFO L158 Benchmark]: Boogie Preprocessor took 106.63ms. Allocated memory is still 288.4MB. Free memory was 244.4MB in the beginning and 237.0MB in the end (delta: 7.3MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2022-03-20 02:48:50,557 INFO L158 Benchmark]: RCFGBuilder took 2967.76ms. Allocated memory is still 288.4MB. Free memory was 237.0MB in the beginning and 241.0MB in the end (delta: -4.0MB). Peak memory consumption was 67.3MB. Max. memory is 8.0GB. [2022-03-20 02:48:50,557 INFO L158 Benchmark]: TraceAbstraction took 71762.09ms. Allocated memory was 288.4MB in the beginning and 347.1MB in the end (delta: 58.7MB). Free memory was 240.4MB in the beginning and 241.7MB in the end (delta: -1.2MB). Peak memory consumption was 191.7MB. Max. memory is 8.0GB. [2022-03-20 02:48:50,558 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 198.2MB. Free memory was 162.5MB in the beginning and 162.3MB in the end (delta: 143.3kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 500.52ms. Allocated memory was 198.2MB in the beginning and 288.4MB in the end (delta: 90.2MB). Free memory was 143.8MB in the beginning and 244.4MB in the end (delta: -100.6MB). Peak memory consumption was 14.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 106.63ms. Allocated memory is still 288.4MB. Free memory was 244.4MB in the beginning and 237.0MB in the end (delta: 7.3MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * RCFGBuilder took 2967.76ms. Allocated memory is still 288.4MB. Free memory was 237.0MB in the beginning and 241.0MB in the end (delta: -4.0MB). Peak memory consumption was 67.3MB. Max. memory is 8.0GB. * TraceAbstraction took 71762.09ms. Allocated memory was 288.4MB in the beginning and 347.1MB in the end (delta: 58.7MB). Free memory was 240.4MB in the beginning and 241.7MB in the end (delta: -1.2MB). Peak memory consumption was 191.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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: 1737]: 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 1151. Possible FailurePath: [L1054] static int init = 1; [L1055] static SSL_METHOD SSLv3_server_data ; VAL [\old(init)=4294967304, \old(SSLv3_server_data)=null, \old(SSLv3_server_data)=null, init=1, SSLv3_server_data={4:0}] [L1077] SSL *s ; [L1078] int tmp ; [L1082] s = malloc(sizeof(SSL)) [L1083] s->s3 = malloc(sizeof(struct ssl3_state_st)) [L1084] s->ctx = malloc(sizeof(SSL_CTX)) [L1085] s->session = malloc(sizeof(SSL_SESSION)) [L1086] s->state = 8464 [L1088] s->info_callback = (void (*) ()) __VERIFIER_nondet_ulong() [L1089] s->options = __VERIFIER_nondet_ulong() [L1090] s->verify_mode = __VERIFIER_nondet_int() [L1091] EXPR s->session [L1091] (s->session)->peer = (struct x509_st*) __VERIFIER_nondet_ulong() [L1092] EXPR s->s3 [L1092] (s->s3)->tmp.cert_request = __VERIFIER_nondet_int() [L1093] EXPR s->s3 [L1093] (s->s3)->tmp.new_cipher = malloc(sizeof(struct ssl_cipher_st)) [L1094] EXPR s->s3 [L1094] EXPR (s->s3)->tmp.new_cipher [L1094] ((s->s3)->tmp.new_cipher)->algorithms = __VERIFIER_nondet_ulong() [L1095] EXPR s->s3 [L1095] EXPR (s->s3)->tmp.new_cipher [L1095] ((s->s3)->tmp.new_cipher)->algo_strength = __VERIFIER_nondet_ulong() [L1096] COND FALSE !(__VERIFIER_nondet_int()) [L1102] s->cert = malloc(sizeof(struct cert_st)) [L1103] EXPR s->cert [L1103] (s->cert)->pkeys[0].privatekey = (struct evp_pkey_st*) __VERIFIER_nondet_ulong() [L1106] CALL ssl3_accept(s) VAL [init=1, s={-8:0}, SSLv3_server_data={4:0}] [L1112] BUF_MEM *buf = (BUF_MEM *)__VERIFIER_nondet_ulong(); [L1113] unsigned long l ; [L1114] unsigned long Time ; [L1115] unsigned long tmp = __VERIFIER_nondet_long() ; [L1116] void (*cb)() ; [L1117] long num1 ; [L1118] int ret ; [L1119] int new_state ; [L1120] int state ; [L1121] int skip ; [L1122] int got_new_session ; [L1123] int tmp___1 = __VERIFIER_nondet_int() ; [L1124] int tmp___2 = __VERIFIER_nondet_int() ; [L1125] int tmp___3 ; [L1126] int tmp___4 ; [L1127] int tmp___5 ; [L1128] int tmp___6 ; [L1129] int tmp___7 ; [L1130] long tmp___8 = __VERIFIER_nondet_long() ; [L1131] int tmp___9 ; [L1132] int tmp___10 ; [L1133] int blastFlag ; [L1137] blastFlag = 0 [L1138] s->hit=__VERIFIER_nondet_int () [L1139] s->state = 8464 [L1140] Time = tmp [L1141] cb = (void (*)())((void *)0) [L1142] ret = -1 [L1143] skip = 0 [L1144] got_new_session = 0 [L1145] EXPR s->info_callback VAL [={0:0}, blastFlag=0, buf={0:-2}, got_new_session=0, init=1, ret=-1, s={-8:0}, s={-8:0}, s->info_callback={0:11}, skip=0, SSLv3_server_data={4:0}, Time=7, tmp=7, tmp___1=1, tmp___2=0, tmp___8=0] [L1145] COND TRUE (unsigned long )s->info_callback != (unsigned long )((void *)0) [L1146] EXPR s->info_callback [L1146] cb = s->info_callback [L1150] EXPR s->in_handshake [L1150] s->in_handshake += 1 [L1151] COND FALSE !(tmp___1 & 12288) VAL [={0:11}, blastFlag=0, buf={0:-2}, got_new_session=0, init=1, ret=-1, s={-8:0}, s={-8:0}, skip=0, SSLv3_server_data={4:0}, Time=7, tmp=7, tmp___1=1, tmp___2=0, tmp___8=0] [L1160] EXPR s->cert VAL [={0:11}, blastFlag=0, buf={0:-2}, got_new_session=0, init=1, ret=-1, s={-8:0}, s={-8:0}, s->cert={-4294967295:0}, skip=0, SSLv3_server_data={4:0}, Time=7, tmp=7, tmp___1=1, tmp___2=0, tmp___8=0] [L1160] COND FALSE !((unsigned long )s->cert == (unsigned long )((void *)0)) [L1166] COND TRUE 1 VAL [={0:11}, blastFlag=0, buf={0:-2}, got_new_session=0, init=1, ret=-1, s={-8:0}, s={-8:0}, skip=0, SSLv3_server_data={4:0}, Time=7, tmp=7, tmp___1=1, tmp___2=0, tmp___8=0] [L1168] EXPR s->state [L1168] state = s->state [L1169] EXPR s->state VAL [={0:11}, blastFlag=0, buf={0:-2}, got_new_session=0, init=1, ret=-1, s={-8:0}, s={-8:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=7, tmp=7, tmp___1=1, tmp___2=0, tmp___8=0] [L1169] COND FALSE !(s->state == 12292) [L1172] EXPR s->state VAL [={0:11}, blastFlag=0, buf={0:-2}, got_new_session=0, init=1, ret=-1, s={-8:0}, s={-8:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=7, tmp=7, tmp___1=1, tmp___2=0, tmp___8=0] [L1172] COND FALSE !(s->state == 16384) [L1175] EXPR s->state VAL [={0:11}, blastFlag=0, buf={0:-2}, got_new_session=0, init=1, ret=-1, s={-8:0}, s={-8:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=7, tmp=7, tmp___1=1, tmp___2=0, tmp___8=0] [L1175] COND FALSE !(s->state == 8192) [L1178] EXPR s->state VAL [={0:11}, blastFlag=0, buf={0:-2}, got_new_session=0, init=1, ret=-1, s={-8:0}, s={-8:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=7, tmp=7, tmp___1=1, tmp___2=0, tmp___8=0] [L1178] COND FALSE !(s->state == 24576) [L1181] EXPR s->state VAL [={0:11}, blastFlag=0, buf={0:-2}, got_new_session=0, init=1, ret=-1, s={-8:0}, s={-8:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=7, tmp=7, tmp___1=1, tmp___2=0, tmp___8=0] [L1181] COND FALSE !(s->state == 8195) [L1184] EXPR s->state VAL [={0:11}, blastFlag=0, buf={0:-2}, got_new_session=0, init=1, ret=-1, s={-8:0}, s={-8:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=7, tmp=7, tmp___1=1, tmp___2=0, tmp___8=0] [L1184] COND FALSE !(s->state == 8480) [L1187] EXPR s->state VAL [={0:11}, blastFlag=0, buf={0:-2}, got_new_session=0, init=1, ret=-1, s={-8:0}, s={-8:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=7, tmp=7, tmp___1=1, tmp___2=0, tmp___8=0] [L1187] COND FALSE !(s->state == 8481) [L1190] EXPR s->state VAL [={0:11}, blastFlag=0, buf={0:-2}, got_new_session=0, init=1, ret=-1, s={-8:0}, s={-8:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=7, tmp=7, tmp___1=1, tmp___2=0, tmp___8=0] [L1190] COND FALSE !(s->state == 8482) [L1193] EXPR s->state VAL [={0:11}, blastFlag=0, buf={0:-2}, got_new_session=0, init=1, ret=-1, s={-8:0}, s={-8:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=7, tmp=7, tmp___1=1, tmp___2=0, tmp___8=0] [L1193] COND TRUE s->state == 8464 [L1349] s->shutdown = 0 [L1350] ret = __VERIFIER_nondet_int() [L1351] COND TRUE blastFlag == 0 [L1352] blastFlag = 1 VAL [={0:11}, blastFlag=1, buf={0:-2}, got_new_session=0, init=1, ret=10, s={-8:0}, s={-8:0}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=7, tmp=7, tmp___1=1, tmp___2=0, tmp___8=0] [L1356] COND FALSE !(ret <= 0) [L1361] got_new_session = 1 [L1362] s->state = 8496 [L1363] s->init_num = 0 VAL [={0:11}, blastFlag=1, buf={0:-2}, got_new_session=1, init=1, ret=10, s={-8:0}, s={-8:0}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=7, tmp=7, tmp___1=1, tmp___2=0, tmp___8=0] [L1696] EXPR s->s3 [L1696] EXPR (s->s3)->tmp.reuse_message VAL [={0:11}, (s->s3)->tmp.reuse_message=4294967331, blastFlag=1, buf={0:-2}, got_new_session=1, init=1, ret=10, s={-8:0}, s={-8:0}, s->s3={-6:0}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=7, tmp=7, tmp___1=1, tmp___2=0, tmp___8=0] [L1696] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1725] skip = 0 VAL [={0:11}, blastFlag=1, buf={0:-2}, got_new_session=1, init=1, ret=10, s={-8:0}, s={-8:0}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=7, tmp=7, tmp___1=1, tmp___2=0, tmp___8=0] [L1166] COND TRUE 1 VAL [={0:11}, blastFlag=1, buf={0:-2}, got_new_session=1, init=1, ret=10, s={-8:0}, s={-8:0}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=7, tmp=7, tmp___1=1, tmp___2=0, tmp___8=0] [L1168] EXPR s->state [L1168] state = s->state [L1169] EXPR s->state VAL [={0:11}, blastFlag=1, buf={0:-2}, got_new_session=1, init=1, ret=10, s={-8:0}, s={-8:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=7, tmp=7, tmp___1=1, tmp___2=0, tmp___8=0] [L1169] COND FALSE !(s->state == 12292) [L1172] EXPR s->state VAL [={0:11}, blastFlag=1, buf={0:-2}, got_new_session=1, init=1, ret=10, s={-8:0}, s={-8:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=7, tmp=7, tmp___1=1, tmp___2=0, tmp___8=0] [L1172] COND FALSE !(s->state == 16384) [L1175] EXPR s->state VAL [={0:11}, blastFlag=1, buf={0:-2}, got_new_session=1, init=1, ret=10, s={-8:0}, s={-8:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=7, tmp=7, tmp___1=1, tmp___2=0, tmp___8=0] [L1175] COND FALSE !(s->state == 8192) [L1178] EXPR s->state VAL [={0:11}, blastFlag=1, buf={0:-2}, got_new_session=1, init=1, ret=10, s={-8:0}, s={-8:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=7, tmp=7, tmp___1=1, tmp___2=0, tmp___8=0] [L1178] COND FALSE !(s->state == 24576) [L1181] EXPR s->state VAL [={0:11}, blastFlag=1, buf={0:-2}, got_new_session=1, init=1, ret=10, s={-8:0}, s={-8:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=7, tmp=7, tmp___1=1, tmp___2=0, tmp___8=0] [L1181] COND FALSE !(s->state == 8195) [L1184] EXPR s->state VAL [={0:11}, blastFlag=1, buf={0:-2}, got_new_session=1, init=1, ret=10, s={-8:0}, s={-8:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=7, tmp=7, tmp___1=1, tmp___2=0, tmp___8=0] [L1184] COND FALSE !(s->state == 8480) [L1187] EXPR s->state VAL [={0:11}, blastFlag=1, buf={0:-2}, got_new_session=1, init=1, ret=10, s={-8:0}, s={-8:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=7, tmp=7, tmp___1=1, tmp___2=0, tmp___8=0] [L1187] COND FALSE !(s->state == 8481) [L1190] EXPR s->state VAL [={0:11}, blastFlag=1, buf={0:-2}, got_new_session=1, init=1, ret=10, s={-8:0}, s={-8:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=7, tmp=7, tmp___1=1, tmp___2=0, tmp___8=0] [L1190] COND FALSE !(s->state == 8482) [L1193] EXPR s->state VAL [={0:11}, blastFlag=1, buf={0:-2}, got_new_session=1, init=1, ret=10, s={-8:0}, s={-8:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=7, tmp=7, tmp___1=1, tmp___2=0, tmp___8=0] [L1193] COND FALSE !(s->state == 8464) [L1196] EXPR s->state VAL [={0:11}, blastFlag=1, buf={0:-2}, got_new_session=1, init=1, ret=10, s={-8:0}, s={-8:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=7, tmp=7, tmp___1=1, tmp___2=0, tmp___8=0] [L1196] COND FALSE !(s->state == 8465) [L1199] EXPR s->state VAL [={0:11}, blastFlag=1, buf={0:-2}, got_new_session=1, init=1, ret=10, s={-8:0}, s={-8:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=7, tmp=7, tmp___1=1, tmp___2=0, tmp___8=0] [L1199] COND FALSE !(s->state == 8466) [L1202] EXPR s->state VAL [={0:11}, blastFlag=1, buf={0:-2}, got_new_session=1, init=1, ret=10, s={-8:0}, s={-8:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=7, tmp=7, tmp___1=1, tmp___2=0, tmp___8=0] [L1202] COND TRUE s->state == 8496 [L1367] ret = __VERIFIER_nondet_int() [L1368] COND TRUE blastFlag == 1 [L1369] blastFlag = 2 VAL [={0:11}, blastFlag=2, buf={0:-2}, got_new_session=1, init=1, ret=1, s={-8:0}, s={-8:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=7, tmp=7, tmp___1=1, tmp___2=0, tmp___8=0] [L1373] COND FALSE !(ret <= 0) [L1378] s->hit VAL [={0:11}, blastFlag=2, buf={0:-2}, got_new_session=1, init=1, ret=1, s={-8:0}, s={-8:0}, s->hit=6, skip=0, SSLv3_server_data={4:0}, state=8496, Time=7, tmp=7, tmp___1=1, tmp___2=0, tmp___8=0] [L1378] COND TRUE s->hit [L1379] s->state = 8656 VAL [={0:11}, blastFlag=2, buf={0:-2}, got_new_session=1, init=1, ret=1, s={-8:0}, s={-8:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=7, tmp=7, tmp___1=1, tmp___2=0, tmp___8=0] [L1383] s->init_num = 0 VAL [={0:11}, blastFlag=2, buf={0:-2}, got_new_session=1, init=1, ret=1, s={-8:0}, s={-8:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=7, tmp=7, tmp___1=1, tmp___2=0, tmp___8=0] [L1696] EXPR s->s3 [L1696] EXPR (s->s3)->tmp.reuse_message VAL [={0:11}, (s->s3)->tmp.reuse_message=4294967331, blastFlag=2, buf={0:-2}, got_new_session=1, init=1, ret=1, s={-8:0}, s={-8:0}, s->s3={-6:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=7, tmp=7, tmp___1=1, tmp___2=0, tmp___8=0] [L1696] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1725] skip = 0 VAL [={0:11}, blastFlag=2, buf={0:-2}, got_new_session=1, init=1, ret=1, s={-8:0}, s={-8:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=7, tmp=7, tmp___1=1, tmp___2=0, tmp___8=0] [L1166] COND TRUE 1 VAL [={0:11}, blastFlag=2, buf={0:-2}, got_new_session=1, init=1, ret=1, s={-8:0}, s={-8:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=7, tmp=7, tmp___1=1, tmp___2=0, tmp___8=0] [L1168] EXPR s->state [L1168] state = s->state [L1169] EXPR s->state VAL [={0:11}, blastFlag=2, buf={0:-2}, got_new_session=1, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=7, tmp=7, tmp___1=1, tmp___2=0, tmp___8=0] [L1169] COND FALSE !(s->state == 12292) [L1172] EXPR s->state VAL [={0:11}, blastFlag=2, buf={0:-2}, got_new_session=1, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=7, tmp=7, tmp___1=1, tmp___2=0, tmp___8=0] [L1172] COND FALSE !(s->state == 16384) [L1175] EXPR s->state VAL [={0:11}, blastFlag=2, buf={0:-2}, got_new_session=1, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=7, tmp=7, tmp___1=1, tmp___2=0, tmp___8=0] [L1175] COND FALSE !(s->state == 8192) [L1178] EXPR s->state VAL [={0:11}, blastFlag=2, buf={0:-2}, got_new_session=1, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=7, tmp=7, tmp___1=1, tmp___2=0, tmp___8=0] [L1178] COND FALSE !(s->state == 24576) [L1181] EXPR s->state VAL [={0:11}, blastFlag=2, buf={0:-2}, got_new_session=1, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=7, tmp=7, tmp___1=1, tmp___2=0, tmp___8=0] [L1181] COND FALSE !(s->state == 8195) [L1184] EXPR s->state VAL [={0:11}, blastFlag=2, buf={0:-2}, got_new_session=1, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=7, tmp=7, tmp___1=1, tmp___2=0, tmp___8=0] [L1184] COND FALSE !(s->state == 8480) [L1187] EXPR s->state VAL [={0:11}, blastFlag=2, buf={0:-2}, got_new_session=1, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=7, tmp=7, tmp___1=1, tmp___2=0, tmp___8=0] [L1187] COND FALSE !(s->state == 8481) [L1190] EXPR s->state VAL [={0:11}, blastFlag=2, buf={0:-2}, got_new_session=1, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=7, tmp=7, tmp___1=1, tmp___2=0, tmp___8=0] [L1190] COND FALSE !(s->state == 8482) [L1193] EXPR s->state VAL [={0:11}, blastFlag=2, buf={0:-2}, got_new_session=1, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=7, tmp=7, tmp___1=1, tmp___2=0, tmp___8=0] [L1193] COND FALSE !(s->state == 8464) [L1196] EXPR s->state VAL [={0:11}, blastFlag=2, buf={0:-2}, got_new_session=1, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=7, tmp=7, tmp___1=1, tmp___2=0, tmp___8=0] [L1196] COND FALSE !(s->state == 8465) [L1199] EXPR s->state VAL [={0:11}, blastFlag=2, buf={0:-2}, got_new_session=1, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=7, tmp=7, tmp___1=1, tmp___2=0, tmp___8=0] [L1199] COND FALSE !(s->state == 8466) [L1202] EXPR s->state VAL [={0:11}, blastFlag=2, buf={0:-2}, got_new_session=1, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=7, tmp=7, tmp___1=1, tmp___2=0, tmp___8=0] [L1202] COND FALSE !(s->state == 8496) [L1205] EXPR s->state VAL [={0:11}, blastFlag=2, buf={0:-2}, got_new_session=1, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=7, tmp=7, tmp___1=1, tmp___2=0, tmp___8=0] [L1205] COND FALSE !(s->state == 8497) [L1208] EXPR s->state VAL [={0:11}, blastFlag=2, buf={0:-2}, got_new_session=1, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=7, tmp=7, tmp___1=1, tmp___2=0, tmp___8=0] [L1208] COND FALSE !(s->state == 8512) [L1211] EXPR s->state VAL [={0:11}, blastFlag=2, buf={0:-2}, got_new_session=1, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=7, tmp=7, tmp___1=1, tmp___2=0, tmp___8=0] [L1211] COND FALSE !(s->state == 8513) [L1214] EXPR s->state VAL [={0:11}, blastFlag=2, buf={0:-2}, got_new_session=1, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=7, tmp=7, tmp___1=1, tmp___2=0, tmp___8=0] [L1214] COND FALSE !(s->state == 8528) [L1217] EXPR s->state VAL [={0:11}, blastFlag=2, buf={0:-2}, got_new_session=1, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=7, tmp=7, tmp___1=1, tmp___2=0, tmp___8=0] [L1217] COND FALSE !(s->state == 8529) [L1220] EXPR s->state VAL [={0:11}, blastFlag=2, buf={0:-2}, got_new_session=1, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=7, tmp=7, tmp___1=1, tmp___2=0, tmp___8=0] [L1220] COND FALSE !(s->state == 8544) [L1223] EXPR s->state VAL [={0:11}, blastFlag=2, buf={0:-2}, got_new_session=1, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=7, tmp=7, tmp___1=1, tmp___2=0, tmp___8=0] [L1223] COND FALSE !(s->state == 8545) [L1226] EXPR s->state VAL [={0:11}, blastFlag=2, buf={0:-2}, got_new_session=1, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=7, tmp=7, tmp___1=1, tmp___2=0, tmp___8=0] [L1226] COND FALSE !(s->state == 8560) [L1229] EXPR s->state VAL [={0:11}, blastFlag=2, buf={0:-2}, got_new_session=1, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=7, tmp=7, tmp___1=1, tmp___2=0, tmp___8=0] [L1229] COND FALSE !(s->state == 8561) [L1232] EXPR s->state VAL [={0:11}, blastFlag=2, buf={0:-2}, got_new_session=1, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=7, tmp=7, tmp___1=1, tmp___2=0, tmp___8=0] [L1232] COND FALSE !(s->state == 8448) [L1235] EXPR s->state VAL [={0:11}, blastFlag=2, buf={0:-2}, got_new_session=1, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=7, tmp=7, tmp___1=1, tmp___2=0, tmp___8=0] [L1235] COND FALSE !(s->state == 8576) [L1238] EXPR s->state VAL [={0:11}, blastFlag=2, buf={0:-2}, got_new_session=1, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=7, tmp=7, tmp___1=1, tmp___2=0, tmp___8=0] [L1238] COND FALSE !(s->state == 8577) [L1241] EXPR s->state VAL [={0:11}, blastFlag=2, buf={0:-2}, got_new_session=1, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=7, tmp=7, tmp___1=1, tmp___2=0, tmp___8=0] [L1241] COND FALSE !(s->state == 8592) [L1244] EXPR s->state VAL [={0:11}, blastFlag=2, buf={0:-2}, got_new_session=1, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=7, tmp=7, tmp___1=1, tmp___2=0, tmp___8=0] [L1244] COND FALSE !(s->state == 8593) [L1247] EXPR s->state VAL [={0:11}, blastFlag=2, buf={0:-2}, got_new_session=1, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=7, tmp=7, tmp___1=1, tmp___2=0, tmp___8=0] [L1247] COND FALSE !(s->state == 8608) [L1250] EXPR s->state VAL [={0:11}, blastFlag=2, buf={0:-2}, got_new_session=1, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=7, tmp=7, tmp___1=1, tmp___2=0, tmp___8=0] [L1250] COND FALSE !(s->state == 8609) [L1253] EXPR s->state VAL [={0:11}, blastFlag=2, buf={0:-2}, got_new_session=1, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=7, tmp=7, tmp___1=1, tmp___2=0, tmp___8=0] [L1253] COND FALSE !(s->state == 8640) [L1256] EXPR s->state VAL [={0:11}, blastFlag=2, buf={0:-2}, got_new_session=1, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=7, tmp=7, tmp___1=1, tmp___2=0, tmp___8=0] [L1256] COND FALSE !(s->state == 8641) [L1259] EXPR s->state VAL [={0:11}, blastFlag=2, buf={0:-2}, got_new_session=1, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=7, tmp=7, tmp___1=1, tmp___2=0, tmp___8=0] [L1259] COND TRUE s->state == 8656 [L1583] EXPR s->session [L1583] EXPR s->s3 [L1583] EXPR (s->s3)->tmp.new_cipher [L1583] (s->session)->cipher = (s->s3)->tmp.new_cipher [L1584] tmp___9 = __VERIFIER_nondet_int() [L1585] COND FALSE !(! tmp___9) [L1591] ret = __VERIFIER_nondet_int() [L1592] COND TRUE blastFlag == 2 [L1593] blastFlag = 5 VAL [={0:11}, blastFlag=5, buf={0:-2}, got_new_session=1, init=1, ret=1, s={-8:0}, s={-8:0}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=7, tmp=7, tmp___1=1, tmp___2=0, tmp___8=0, tmp___9=-15] [L1597] COND FALSE !(ret <= 0) [L1602] s->state = 8672 [L1603] s->init_num = 0 [L1604] tmp___10 = __VERIFIER_nondet_int() [L1605] COND FALSE !(! tmp___10) VAL [={0:11}, blastFlag=5, buf={0:-2}, got_new_session=1, init=1, ret=1, s={-8:0}, s={-8:0}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=7, tmp=7, tmp___1=1, tmp___10=17, tmp___2=0, tmp___8=0, tmp___9=-15] [L1696] EXPR s->s3 [L1696] EXPR (s->s3)->tmp.reuse_message VAL [={0:11}, (s->s3)->tmp.reuse_message=4294967331, blastFlag=5, buf={0:-2}, got_new_session=1, init=1, ret=1, s={-8:0}, s={-8:0}, s->s3={-6:0}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=7, tmp=7, tmp___1=1, tmp___10=17, tmp___2=0, tmp___8=0, tmp___9=-15] [L1696] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1725] skip = 0 VAL [={0:11}, blastFlag=5, buf={0:-2}, got_new_session=1, init=1, ret=1, s={-8:0}, s={-8:0}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=7, tmp=7, tmp___1=1, tmp___10=17, tmp___2=0, tmp___8=0, tmp___9=-15] [L1166] COND TRUE 1 VAL [={0:11}, blastFlag=5, buf={0:-2}, got_new_session=1, init=1, ret=1, s={-8:0}, s={-8:0}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=7, tmp=7, tmp___1=1, tmp___10=17, tmp___2=0, tmp___8=0, tmp___9=-15] [L1168] EXPR s->state [L1168] state = s->state [L1169] EXPR s->state VAL [={0:11}, blastFlag=5, buf={0:-2}, got_new_session=1, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=7, tmp=7, tmp___1=1, tmp___10=17, tmp___2=0, tmp___8=0, tmp___9=-15] [L1169] COND FALSE !(s->state == 12292) [L1172] EXPR s->state VAL [={0:11}, blastFlag=5, buf={0:-2}, got_new_session=1, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=7, tmp=7, tmp___1=1, tmp___10=17, tmp___2=0, tmp___8=0, tmp___9=-15] [L1172] COND FALSE !(s->state == 16384) [L1175] EXPR s->state VAL [={0:11}, blastFlag=5, buf={0:-2}, got_new_session=1, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=7, tmp=7, tmp___1=1, tmp___10=17, tmp___2=0, tmp___8=0, tmp___9=-15] [L1175] COND FALSE !(s->state == 8192) [L1178] EXPR s->state VAL [={0:11}, blastFlag=5, buf={0:-2}, got_new_session=1, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=7, tmp=7, tmp___1=1, tmp___10=17, tmp___2=0, tmp___8=0, tmp___9=-15] [L1178] COND FALSE !(s->state == 24576) [L1181] EXPR s->state VAL [={0:11}, blastFlag=5, buf={0:-2}, got_new_session=1, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=7, tmp=7, tmp___1=1, tmp___10=17, tmp___2=0, tmp___8=0, tmp___9=-15] [L1181] COND FALSE !(s->state == 8195) [L1184] EXPR s->state VAL [={0:11}, blastFlag=5, buf={0:-2}, got_new_session=1, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=7, tmp=7, tmp___1=1, tmp___10=17, tmp___2=0, tmp___8=0, tmp___9=-15] [L1184] COND FALSE !(s->state == 8480) [L1187] EXPR s->state VAL [={0:11}, blastFlag=5, buf={0:-2}, got_new_session=1, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=7, tmp=7, tmp___1=1, tmp___10=17, tmp___2=0, tmp___8=0, tmp___9=-15] [L1187] COND FALSE !(s->state == 8481) [L1190] EXPR s->state VAL [={0:11}, blastFlag=5, buf={0:-2}, got_new_session=1, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=7, tmp=7, tmp___1=1, tmp___10=17, tmp___2=0, tmp___8=0, tmp___9=-15] [L1190] COND FALSE !(s->state == 8482) [L1193] EXPR s->state VAL [={0:11}, blastFlag=5, buf={0:-2}, got_new_session=1, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=7, tmp=7, tmp___1=1, tmp___10=17, tmp___2=0, tmp___8=0, tmp___9=-15] [L1193] COND FALSE !(s->state == 8464) [L1196] EXPR s->state VAL [={0:11}, blastFlag=5, buf={0:-2}, got_new_session=1, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=7, tmp=7, tmp___1=1, tmp___10=17, tmp___2=0, tmp___8=0, tmp___9=-15] [L1196] COND FALSE !(s->state == 8465) [L1199] EXPR s->state VAL [={0:11}, blastFlag=5, buf={0:-2}, got_new_session=1, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=7, tmp=7, tmp___1=1, tmp___10=17, tmp___2=0, tmp___8=0, tmp___9=-15] [L1199] COND FALSE !(s->state == 8466) [L1202] EXPR s->state VAL [={0:11}, blastFlag=5, buf={0:-2}, got_new_session=1, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=7, tmp=7, tmp___1=1, tmp___10=17, tmp___2=0, tmp___8=0, tmp___9=-15] [L1202] COND FALSE !(s->state == 8496) [L1205] EXPR s->state VAL [={0:11}, blastFlag=5, buf={0:-2}, got_new_session=1, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=7, tmp=7, tmp___1=1, tmp___10=17, tmp___2=0, tmp___8=0, tmp___9=-15] [L1205] COND FALSE !(s->state == 8497) [L1208] EXPR s->state VAL [={0:11}, blastFlag=5, buf={0:-2}, got_new_session=1, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=7, tmp=7, tmp___1=1, tmp___10=17, tmp___2=0, tmp___8=0, tmp___9=-15] [L1208] COND FALSE !(s->state == 8512) [L1211] EXPR s->state VAL [={0:11}, blastFlag=5, buf={0:-2}, got_new_session=1, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=7, tmp=7, tmp___1=1, tmp___10=17, tmp___2=0, tmp___8=0, tmp___9=-15] [L1211] COND FALSE !(s->state == 8513) [L1214] EXPR s->state VAL [={0:11}, blastFlag=5, buf={0:-2}, got_new_session=1, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=7, tmp=7, tmp___1=1, tmp___10=17, tmp___2=0, tmp___8=0, tmp___9=-15] [L1214] COND FALSE !(s->state == 8528) [L1217] EXPR s->state VAL [={0:11}, blastFlag=5, buf={0:-2}, got_new_session=1, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=7, tmp=7, tmp___1=1, tmp___10=17, tmp___2=0, tmp___8=0, tmp___9=-15] [L1217] COND FALSE !(s->state == 8529) [L1220] EXPR s->state VAL [={0:11}, blastFlag=5, buf={0:-2}, got_new_session=1, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=7, tmp=7, tmp___1=1, tmp___10=17, tmp___2=0, tmp___8=0, tmp___9=-15] [L1220] COND FALSE !(s->state == 8544) [L1223] EXPR s->state VAL [={0:11}, blastFlag=5, buf={0:-2}, got_new_session=1, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=7, tmp=7, tmp___1=1, tmp___10=17, tmp___2=0, tmp___8=0, tmp___9=-15] [L1223] COND FALSE !(s->state == 8545) [L1226] EXPR s->state VAL [={0:11}, blastFlag=5, buf={0:-2}, got_new_session=1, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=7, tmp=7, tmp___1=1, tmp___10=17, tmp___2=0, tmp___8=0, tmp___9=-15] [L1226] COND FALSE !(s->state == 8560) [L1229] EXPR s->state VAL [={0:11}, blastFlag=5, buf={0:-2}, got_new_session=1, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=7, tmp=7, tmp___1=1, tmp___10=17, tmp___2=0, tmp___8=0, tmp___9=-15] [L1229] COND FALSE !(s->state == 8561) [L1232] EXPR s->state VAL [={0:11}, blastFlag=5, buf={0:-2}, got_new_session=1, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=7, tmp=7, tmp___1=1, tmp___10=17, tmp___2=0, tmp___8=0, tmp___9=-15] [L1232] COND FALSE !(s->state == 8448) [L1235] EXPR s->state VAL [={0:11}, blastFlag=5, buf={0:-2}, got_new_session=1, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=7, tmp=7, tmp___1=1, tmp___10=17, tmp___2=0, tmp___8=0, tmp___9=-15] [L1235] COND FALSE !(s->state == 8576) [L1238] EXPR s->state VAL [={0:11}, blastFlag=5, buf={0:-2}, got_new_session=1, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=7, tmp=7, tmp___1=1, tmp___10=17, tmp___2=0, tmp___8=0, tmp___9=-15] [L1238] COND FALSE !(s->state == 8577) [L1241] EXPR s->state VAL [={0:11}, blastFlag=5, buf={0:-2}, got_new_session=1, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=7, tmp=7, tmp___1=1, tmp___10=17, tmp___2=0, tmp___8=0, tmp___9=-15] [L1241] COND FALSE !(s->state == 8592) [L1244] EXPR s->state VAL [={0:11}, blastFlag=5, buf={0:-2}, got_new_session=1, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=7, tmp=7, tmp___1=1, tmp___10=17, tmp___2=0, tmp___8=0, tmp___9=-15] [L1244] COND FALSE !(s->state == 8593) [L1247] EXPR s->state VAL [={0:11}, blastFlag=5, buf={0:-2}, got_new_session=1, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=7, tmp=7, tmp___1=1, tmp___10=17, tmp___2=0, tmp___8=0, tmp___9=-15] [L1247] COND FALSE !(s->state == 8608) [L1250] EXPR s->state VAL [={0:11}, blastFlag=5, buf={0:-2}, got_new_session=1, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=7, tmp=7, tmp___1=1, tmp___10=17, tmp___2=0, tmp___8=0, tmp___9=-15] [L1250] COND FALSE !(s->state == 8609) [L1253] EXPR s->state VAL [={0:11}, blastFlag=5, buf={0:-2}, got_new_session=1, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=7, tmp=7, tmp___1=1, tmp___10=17, tmp___2=0, tmp___8=0, tmp___9=-15] [L1253] COND FALSE !(s->state == 8640) [L1256] EXPR s->state VAL [={0:11}, blastFlag=5, buf={0:-2}, got_new_session=1, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=7, tmp=7, tmp___1=1, tmp___10=17, tmp___2=0, tmp___8=0, tmp___9=-15] [L1256] COND FALSE !(s->state == 8641) [L1259] EXPR s->state VAL [={0:11}, blastFlag=5, buf={0:-2}, got_new_session=1, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=7, tmp=7, tmp___1=1, tmp___10=17, tmp___2=0, tmp___8=0, tmp___9=-15] [L1259] COND FALSE !(s->state == 8656) [L1262] EXPR s->state VAL [={0:11}, blastFlag=5, buf={0:-2}, got_new_session=1, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=7, tmp=7, tmp___1=1, tmp___10=17, tmp___2=0, tmp___8=0, tmp___9=-15] [L1262] COND FALSE !(s->state == 8657) [L1265] EXPR s->state VAL [={0:11}, blastFlag=5, buf={0:-2}, got_new_session=1, init=1, ret=1, s={-8:0}, s={-8:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=7, tmp=7, tmp___1=1, tmp___10=17, tmp___2=0, tmp___8=0, tmp___9=-15] [L1265] COND TRUE s->state == 8672 [L1614] ret = __VERIFIER_nondet_int() [L1615] COND FALSE !(blastFlag == 4) VAL [={0:11}, blastFlag=5, buf={0:-2}, got_new_session=1, init=1, ret=0, s={-8:0}, s={-8:0}, skip=0, SSLv3_server_data={4:0}, state=8672, Time=7, tmp=7, tmp___1=1, tmp___10=17, tmp___2=0, tmp___8=0, tmp___9=-15] [L1618] COND TRUE blastFlag == 5 VAL [={0:11}, blastFlag=5, buf={0:-2}, got_new_session=1, init=1, ret=0, s={-8:0}, s={-8:0}, skip=0, SSLv3_server_data={4:0}, state=8672, Time=7, tmp=7, tmp___1=1, tmp___10=17, tmp___2=0, tmp___8=0, tmp___9=-15] [L1737] reach_error() VAL [={0:11}, blastFlag=5, buf={0:-2}, got_new_session=1, init=1, ret=0, s={-8:0}, s={-8:0}, skip=0, SSLv3_server_data={4:0}, state=8672, Time=7, tmp=7, tmp___1=1, tmp___10=17, tmp___2=0, tmp___8=0, tmp___9=-15] - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 186 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 71.6s, OverallIterations: 26, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 67.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 27 mSolverCounterUnknown, 1639 SdHoareTripleChecker+Valid, 66.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1639 mSDsluCounter, 11357 SdHoareTripleChecker+Invalid, 63.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6850 mSDsCounter, 614 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9768 IncrementalHoareTripleChecker+Invalid, 10409 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 614 mSolverCounterUnsat, 4507 mSDtfsCounter, 9768 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 186 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=868occurred in iteration=23, InterpolantAutomatonStates: 125, 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, 25 MinimizatonAttempts, 822 StatesRemovedByMinimization, 20 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 2588 NumberOfCodeBlocks, 2588 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 2430 ConstructedInterpolants, 0 QuantifiedInterpolants, 5824 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 25 InterpolantComputations, 25 PerfectInterpolantSequences, 1304/1304 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-03-20 02:48:50,590 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...