/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCTransformed.xml -s ../../../trunk/examples/settings/loopacceleration/qvasr/qvasr_64.epf -i ../../../trunk/examples/svcomp/openssl/s3_srvr.blast.04.i.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-34549b5 [2022-04-06 13:49:54,125 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-06 13:49:54,127 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-06 13:49:54,161 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-06 13:49:54,161 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-06 13:49:54,163 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-06 13:49:54,167 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-06 13:49:54,172 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-06 13:49:54,173 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-06 13:49:54,177 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-06 13:49:54,178 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-06 13:49:54,179 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-06 13:49:54,180 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-06 13:49:54,182 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-06 13:49:54,183 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-06 13:49:54,184 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-06 13:49:54,184 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-06 13:49:54,185 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-06 13:49:54,192 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-06 13:49:54,196 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-06 13:49:54,198 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-06 13:49:54,199 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-06 13:49:54,200 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-06 13:49:54,201 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-06 13:49:54,202 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-06 13:49:54,207 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-06 13:49:54,208 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-06 13:49:54,208 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-06 13:49:54,209 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-06 13:49:54,209 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-06 13:49:54,210 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2022-04-06 13:49:54,215 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-06 13:49:54,215 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-06 13:49:54,217 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-06 13:49:54,217 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/loopacceleration/qvasr/qvasr_64.epf [2022-04-06 13:49:54,241 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-06 13:49:54,242 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-06 13:49:54,243 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-06 13:49:54,243 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-06 13:49:54,244 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-04-06 13:49:54,244 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-04-06 13:49:54,244 INFO L138 SettingsManager]: * Use SBE=true [2022-04-06 13:49:54,244 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-06 13:49:54,244 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-06 13:49:54,245 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-06 13:49:54,245 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-06 13:49:54,245 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-06 13:49:54,246 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-06 13:49:54,246 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-06 13:49:54,246 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-06 13:49:54,246 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-06 13:49:54,246 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-06 13:49:54,246 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-06 13:49:54,246 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-06 13:49:54,247 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-06 13:49:54,247 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-06 13:49:54,247 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-06 13:49:54,247 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-06 13:49:54,247 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-06 13:49:54,247 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-06 13:49:54,247 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-06 13:49:54,248 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-04-06 13:49:54,248 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-04-06 13:49:54,249 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-04-06 13:49:54,249 INFO L138 SettingsManager]: * TransformationType=LOOP_ACCELERATION_QVASR 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-06 13:49:54,466 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-06 13:49:54,486 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-06 13:49:54,488 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-06 13:49:54,489 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-06 13:49:54,490 INFO L275 PluginConnector]: CDTParser initialized [2022-04-06 13:49:54,491 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/openssl/s3_srvr.blast.04.i.cil.c [2022-04-06 13:49:54,541 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa3be8419/e48153e3fafc4960946fc88a6c7cbee2/FLAG41e05aeeb [2022-04-06 13:49:54,971 INFO L306 CDTParser]: Found 1 translation units. [2022-04-06 13:49:54,971 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/openssl/s3_srvr.blast.04.i.cil.c [2022-04-06 13:49:54,996 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa3be8419/e48153e3fafc4960946fc88a6c7cbee2/FLAG41e05aeeb [2022-04-06 13:49:55,308 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa3be8419/e48153e3fafc4960946fc88a6c7cbee2 [2022-04-06 13:49:55,310 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-06 13:49:55,311 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-04-06 13:49:55,312 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-06 13:49:55,312 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-06 13:49:55,315 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-06 13:49:55,316 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.04 01:49:55" (1/1) ... [2022-04-06 13:49:55,317 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65eb9f7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 01:49:55, skipping insertion in model container [2022-04-06 13:49:55,317 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.04 01:49:55" (1/1) ... [2022-04-06 13:49:55,322 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-06 13:49:55,392 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-06 13:49:55,712 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.04.i.cil.c[72500,72513] [2022-04-06 13:49:55,719 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-06 13:49:55,733 INFO L203 MainTranslator]: Completed pre-run [2022-04-06 13:49:55,890 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.04.i.cil.c[72500,72513] [2022-04-06 13:49:55,896 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-06 13:49:55,909 INFO L208 MainTranslator]: Completed translation [2022-04-06 13:49:55,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 01:49:55 WrapperNode [2022-04-06 13:49:55,911 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-06 13:49:55,912 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-06 13:49:55,913 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-06 13:49:55,913 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-06 13:49:55,923 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 01:49:55" (1/1) ... [2022-04-06 13:49:55,924 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 01:49:55" (1/1) ... [2022-04-06 13:49:55,955 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 01:49:55" (1/1) ... [2022-04-06 13:49:55,956 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 01:49:55" (1/1) ... [2022-04-06 13:49:55,991 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 01:49:55" (1/1) ... [2022-04-06 13:49:55,998 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 01:49:55" (1/1) ... [2022-04-06 13:49:56,003 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 01:49:55" (1/1) ... [2022-04-06 13:49:56,008 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-06 13:49:56,008 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-06 13:49:56,009 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-06 13:49:56,009 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-06 13:49:56,011 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 01:49:55" (1/1) ... [2022-04-06 13:49:56,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-06 13:49:56,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-06 13:49:56,044 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) [2022-04-06 13:49:56,069 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 [2022-04-06 13:49:56,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-04-06 13:49:56,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-06 13:49:56,089 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-04-06 13:49:56,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_get_server_method [2022-04-06 13:49:56,090 INFO L138 BoogieDeclarations]: Found implementation of procedure SSLv3_server_method [2022-04-06 13:49:56,090 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-04-06 13:49:56,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_accept [2022-04-06 13:49:56,091 INFO L138 BoogieDeclarations]: Found implementation of procedure sslv3_base_method [2022-04-06 13:49:56,092 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-04-06 13:49:56,092 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-04-06 13:49:56,092 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-04-06 13:49:56,092 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-04-06 13:49:56,092 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-04-06 13:49:56,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-06 13:49:56,092 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2022-04-06 13:49:56,092 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2022-04-06 13:49:56,092 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-04-06 13:49:56,092 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2022-04-06 13:49:56,093 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2022-04-06 13:49:56,093 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2022-04-06 13:49:56,093 INFO L130 BoogieDeclarations]: Found specification of procedure SSLv3_server_method [2022-04-06 13:49:56,093 INFO L130 BoogieDeclarations]: Found specification of procedure sslv3_base_method [2022-04-06 13:49:56,093 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_accept [2022-04-06 13:49:56,093 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_get_server_method [2022-04-06 13:49:56,093 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-04-06 13:49:56,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-04-06 13:49:56,093 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-04-06 13:49:56,093 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-04-06 13:49:56,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-06 13:49:56,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-04-06 13:49:56,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-06 13:49:56,094 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2022-04-06 13:49:56,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-04-06 13:49:56,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-04-06 13:49:56,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-06 13:49:56,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-06 13:49:56,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-04-06 13:49:56,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-04-06 13:49:56,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-04-06 13:49:56,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-04-06 13:49:56,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-06 13:49:56,284 INFO L234 CfgBuilder]: Building ICFG [2022-04-06 13:49:56,286 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-06 13:49:58,616 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-04-06 13:49:59,046 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##87: assume false; [2022-04-06 13:49:59,046 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##88: assume !false; [2022-04-06 13:49:59,056 INFO L275 CfgBuilder]: Performing block encoding [2022-04-06 13:49:59,062 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-06 13:49:59,063 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-04-06 13:49:59,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 01:49:59 BoogieIcfgContainer [2022-04-06 13:49:59,065 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-06 13:49:59,065 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-04-06 13:49:59,065 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-04-06 13:49:59,066 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-04-06 13:49:59,069 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 01:49:59" (1/1) ... [2022-04-06 13:49:59,070 INFO L168 ansformationObserver]: Applying ICFG transformation LOOP_ACCELERATION_QVASR [2022-04-06 13:49:59,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 06.04 01:49:59 BasicIcfg [2022-04-06 13:49:59,107 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-04-06 13:49:59,108 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-06 13:49:59,109 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-06 13:49:59,111 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-06 13:49:59,111 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.04 01:49:55" (1/4) ... [2022-04-06 13:49:59,111 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2df3a5ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.04 01:49:59, skipping insertion in model container [2022-04-06 13:49:59,112 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 01:49:55" (2/4) ... [2022-04-06 13:49:59,112 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2df3a5ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.04 01:49:59, skipping insertion in model container [2022-04-06 13:49:59,112 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 01:49:59" (3/4) ... [2022-04-06 13:49:59,112 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2df3a5ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.04 01:49:59, skipping insertion in model container [2022-04-06 13:49:59,112 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 06.04 01:49:59" (4/4) ... [2022-04-06 13:49:59,113 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr.blast.04.i.cil.cqvasr [2022-04-06 13:49:59,117 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-04-06 13:49:59,117 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-04-06 13:49:59,153 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-06 13:49:59,158 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=FINITE_AUTOMATA, 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 [2022-04-06 13:49:59,158 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-04-06 13:49:59,174 INFO L276 IsEmpty]: Start isEmpty. Operand has 153 states, 145 states have (on average 1.696551724137931) internal successors, (246), 146 states have internal predecessors, (246), 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) [2022-04-06 13:49:59,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-04-06 13:49:59,181 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:49:59,181 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] [2022-04-06 13:49:59,182 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:49:59,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:49:59,186 INFO L85 PathProgramCache]: Analyzing trace with hash 1424627949, now seen corresponding path program 1 times [2022-04-06 13:49:59,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:49:59,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855363709] [2022-04-06 13:49:59,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:49:59,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:49:59,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:49:59,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:49:59,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:49:59,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 13:49:59,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:49:59,657 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855363709] [2022-04-06 13:49:59,658 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [855363709] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:49:59,658 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:49:59,658 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-06 13:49:59,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502511078] [2022-04-06 13:49:59,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:49:59,663 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-06 13:49:59,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:49:59,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-06 13:49:59,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-06 13:49:59,687 INFO L87 Difference]: Start difference. First operand has 153 states, 145 states have (on average 1.696551724137931) internal successors, (246), 146 states have internal predecessors, (246), 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) [2022-04-06 13:50:01,725 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 [] [2022-04-06 13:50:02,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:50:02,364 INFO L93 Difference]: Finished difference Result 324 states and 540 transitions. [2022-04-06 13:50:02,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 13:50:02,368 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 [2022-04-06 13:50:02,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:50:02,376 INFO L225 Difference]: With dead ends: 324 [2022-04-06 13:50:02,377 INFO L226 Difference]: Without dead ends: 165 [2022-04-06 13:50:02,379 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 [2022-04-06 13:50:02,381 INFO L913 BasicCegarLoop]: 219 mSDtfsCounter, 34 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 401 mSolverCounterSat, 11 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 577 SdHoareTripleChecker+Invalid, 413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 401 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-04-06 13:50:02,382 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 577 Invalid, 413 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 401 Invalid, 1 Unknown, 0 Unchecked, 2.6s Time] [2022-04-06 13:50:02,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2022-04-06 13:50:02,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 148. [2022-04-06 13:50:02,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 143 states have (on average 1.5384615384615385) internal successors, (220), 143 states have internal predecessors, (220), 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) [2022-04-06 13:50:02,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 224 transitions. [2022-04-06 13:50:02,444 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 224 transitions. Word has length 52 [2022-04-06 13:50:02,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:50:02,445 INFO L478 AbstractCegarLoop]: Abstraction has 148 states and 224 transitions. [2022-04-06 13:50:02,445 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) [2022-04-06 13:50:02,445 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 224 transitions. [2022-04-06 13:50:02,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-04-06 13:50:02,453 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:50:02,453 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] [2022-04-06 13:50:02,454 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-06 13:50:02,455 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:50:02,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:50:02,457 INFO L85 PathProgramCache]: Analyzing trace with hash 1917878903, now seen corresponding path program 1 times [2022-04-06 13:50:02,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:50:02,458 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262231791] [2022-04-06 13:50:02,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:50:02,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:50:02,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:50:02,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:50:02,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:50:02,663 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 13:50:02,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:50:02,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262231791] [2022-04-06 13:50:02,664 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262231791] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:50:02,664 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:50:02,664 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-06 13:50:02,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31384983] [2022-04-06 13:50:02,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:50:02,665 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-06 13:50:02,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:50:02,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-06 13:50:02,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-06 13:50:02,666 INFO L87 Difference]: Start difference. First operand 148 states and 224 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) [2022-04-06 13:50:04,677 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 [] [2022-04-06 13:50:05,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:50:05,186 INFO L93 Difference]: Finished difference Result 287 states and 431 transitions. [2022-04-06 13:50:05,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 13:50:05,187 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 [2022-04-06 13:50:05,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:50:05,189 INFO L225 Difference]: With dead ends: 287 [2022-04-06 13:50:05,189 INFO L226 Difference]: Without dead ends: 165 [2022-04-06 13:50:05,190 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 [2022-04-06 13:50:05,191 INFO L913 BasicCegarLoop]: 177 mSDtfsCounter, 24 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 453 SdHoareTripleChecker+Invalid, 361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-04-06 13:50:05,191 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [24 Valid, 453 Invalid, 361 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 350 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-04-06 13:50:05,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2022-04-06 13:50:05,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 148. [2022-04-06 13:50:05,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 143 states have (on average 1.5314685314685315) internal successors, (219), 143 states have internal predecessors, (219), 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) [2022-04-06 13:50:05,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 223 transitions. [2022-04-06 13:50:05,200 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 223 transitions. Word has length 65 [2022-04-06 13:50:05,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:50:05,201 INFO L478 AbstractCegarLoop]: Abstraction has 148 states and 223 transitions. [2022-04-06 13:50:05,201 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) [2022-04-06 13:50:05,201 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 223 transitions. [2022-04-06 13:50:05,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-04-06 13:50:05,202 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:50:05,202 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] [2022-04-06 13:50:05,202 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-04-06 13:50:05,203 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:50:05,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:50:05,203 INFO L85 PathProgramCache]: Analyzing trace with hash -949896985, now seen corresponding path program 1 times [2022-04-06 13:50:05,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:50:05,203 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601008898] [2022-04-06 13:50:05,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:50:05,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:50:05,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:50:05,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:50:05,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:50:05,354 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 13:50:05,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:50:05,354 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601008898] [2022-04-06 13:50:05,354 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [601008898] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:50:05,354 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:50:05,355 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-06 13:50:05,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515947626] [2022-04-06 13:50:05,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:50:05,355 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-06 13:50:05,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:50:05,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-06 13:50:05,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-06 13:50:05,356 INFO L87 Difference]: Start difference. First operand 148 states and 223 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) [2022-04-06 13:50:07,366 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 [] [2022-04-06 13:50:07,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:50:07,788 INFO L93 Difference]: Finished difference Result 286 states and 429 transitions. [2022-04-06 13:50:07,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 13:50:07,788 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 [2022-04-06 13:50:07,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:50:07,790 INFO L225 Difference]: With dead ends: 286 [2022-04-06 13:50:07,790 INFO L226 Difference]: Without dead ends: 164 [2022-04-06 13:50:07,791 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 [2022-04-06 13:50:07,792 INFO L913 BasicCegarLoop]: 178 mSDtfsCounter, 28 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 348 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 455 SdHoareTripleChecker+Invalid, 358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 348 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-04-06 13:50:07,792 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 455 Invalid, 358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 348 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-04-06 13:50:07,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2022-04-06 13:50:07,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 148. [2022-04-06 13:50:07,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 143 states have (on average 1.5244755244755244) internal successors, (218), 143 states have internal predecessors, (218), 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) [2022-04-06 13:50:07,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 222 transitions. [2022-04-06 13:50:07,802 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 222 transitions. Word has length 66 [2022-04-06 13:50:07,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:50:07,803 INFO L478 AbstractCegarLoop]: Abstraction has 148 states and 222 transitions. [2022-04-06 13:50:07,803 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) [2022-04-06 13:50:07,803 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 222 transitions. [2022-04-06 13:50:07,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-04-06 13:50:07,804 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:50:07,804 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] [2022-04-06 13:50:07,804 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-04-06 13:50:07,804 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:50:07,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:50:07,805 INFO L85 PathProgramCache]: Analyzing trace with hash -1198196473, now seen corresponding path program 1 times [2022-04-06 13:50:07,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:50:07,805 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705676932] [2022-04-06 13:50:07,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:50:07,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:50:07,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:50:07,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:50:07,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:50:07,982 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 13:50:07,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:50:07,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705676932] [2022-04-06 13:50:07,982 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705676932] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:50:07,982 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:50:07,983 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-06 13:50:07,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393170868] [2022-04-06 13:50:07,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:50:07,983 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-06 13:50:07,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:50:07,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-06 13:50:07,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-06 13:50:07,984 INFO L87 Difference]: Start difference. First operand 148 states and 222 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) [2022-04-06 13:50:10,001 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 [] [2022-04-06 13:50:10,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:50:10,603 INFO L93 Difference]: Finished difference Result 383 states and 582 transitions. [2022-04-06 13:50:10,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 13:50:10,607 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 [2022-04-06 13:50:10,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:50:10,609 INFO L225 Difference]: With dead ends: 383 [2022-04-06 13:50:10,609 INFO L226 Difference]: Without dead ends: 261 [2022-04-06 13:50:10,610 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 [2022-04-06 13:50:10,610 INFO L913 BasicCegarLoop]: 107 mSDtfsCounter, 139 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 463 mSolverCounterSat, 64 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 463 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-04-06 13:50:10,611 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [139 Valid, 312 Invalid, 528 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 463 Invalid, 1 Unknown, 0 Unchecked, 2.6s Time] [2022-04-06 13:50:10,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2022-04-06 13:50:10,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 160. [2022-04-06 13:50:10,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 155 states have (on average 1.5161290322580645) internal successors, (235), 155 states have internal predecessors, (235), 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) [2022-04-06 13:50:10,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 239 transitions. [2022-04-06 13:50:10,626 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 239 transitions. Word has length 66 [2022-04-06 13:50:10,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:50:10,626 INFO L478 AbstractCegarLoop]: Abstraction has 160 states and 239 transitions. [2022-04-06 13:50:10,626 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) [2022-04-06 13:50:10,626 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 239 transitions. [2022-04-06 13:50:10,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-04-06 13:50:10,627 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:50:10,627 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] [2022-04-06 13:50:10,628 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-04-06 13:50:10,628 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:50:10,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:50:10,628 INFO L85 PathProgramCache]: Analyzing trace with hash 1000791143, now seen corresponding path program 1 times [2022-04-06 13:50:10,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:50:10,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277549621] [2022-04-06 13:50:10,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:50:10,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:50:10,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:50:10,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:50:10,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:50:10,746 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 13:50:10,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:50:10,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277549621] [2022-04-06 13:50:10,747 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277549621] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:50:10,747 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:50:10,747 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-06 13:50:10,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056212760] [2022-04-06 13:50:10,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:50:10,747 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-06 13:50:10,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:50:10,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-06 13:50:10,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-06 13:50:10,748 INFO L87 Difference]: Start difference. First operand 160 states and 239 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) [2022-04-06 13:50:12,757 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 [] [2022-04-06 13:50:13,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:50:13,184 INFO L93 Difference]: Finished difference Result 309 states and 462 transitions. [2022-04-06 13:50:13,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 13:50:13,184 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 [2022-04-06 13:50:13,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:50:13,186 INFO L225 Difference]: With dead ends: 309 [2022-04-06 13:50:13,186 INFO L226 Difference]: Without dead ends: 175 [2022-04-06 13:50:13,186 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 [2022-04-06 13:50:13,187 INFO L913 BasicCegarLoop]: 179 mSDtfsCounter, 19 mSDsluCounter, 278 mSDsCounter, 0 mSdLazyCounter, 346 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 457 SdHoareTripleChecker+Invalid, 356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 346 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-04-06 13:50:13,188 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 457 Invalid, 356 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 346 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-04-06 13:50:13,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2022-04-06 13:50:13,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 160. [2022-04-06 13:50:13,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 155 states have (on average 1.5096774193548388) internal successors, (234), 155 states have internal predecessors, (234), 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) [2022-04-06 13:50:13,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 238 transitions. [2022-04-06 13:50:13,196 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 238 transitions. Word has length 66 [2022-04-06 13:50:13,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:50:13,196 INFO L478 AbstractCegarLoop]: Abstraction has 160 states and 238 transitions. [2022-04-06 13:50:13,196 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) [2022-04-06 13:50:13,196 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 238 transitions. [2022-04-06 13:50:13,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-04-06 13:50:13,197 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:50:13,197 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] [2022-04-06 13:50:13,197 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-04-06 13:50:13,197 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:50:13,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:50:13,198 INFO L85 PathProgramCache]: Analyzing trace with hash 776201543, now seen corresponding path program 1 times [2022-04-06 13:50:13,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:50:13,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882609438] [2022-04-06 13:50:13,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:50:13,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:50:13,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:50:13,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:50:13,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:50:13,324 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 13:50:13,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:50:13,325 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882609438] [2022-04-06 13:50:13,325 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882609438] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:50:13,325 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:50:13,325 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-06 13:50:13,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035025972] [2022-04-06 13:50:13,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:50:13,329 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-06 13:50:13,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:50:13,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-06 13:50:13,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-06 13:50:13,331 INFO L87 Difference]: Start difference. First operand 160 states and 238 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) [2022-04-06 13:50:15,341 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 [] [2022-04-06 13:50:15,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:50:15,759 INFO L93 Difference]: Finished difference Result 307 states and 459 transitions. [2022-04-06 13:50:15,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 13:50:15,759 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 [2022-04-06 13:50:15,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:50:15,760 INFO L225 Difference]: With dead ends: 307 [2022-04-06 13:50:15,760 INFO L226 Difference]: Without dead ends: 173 [2022-04-06 13:50:15,761 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 [2022-04-06 13:50:15,761 INFO L913 BasicCegarLoop]: 181 mSDtfsCounter, 19 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 342 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 342 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-04-06 13:50:15,761 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 461 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 342 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-04-06 13:50:15,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2022-04-06 13:50:15,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 160. [2022-04-06 13:50:15,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 155 states have (on average 1.5032258064516129) internal successors, (233), 155 states have internal predecessors, (233), 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) [2022-04-06 13:50:15,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 237 transitions. [2022-04-06 13:50:15,768 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 237 transitions. Word has length 66 [2022-04-06 13:50:15,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:50:15,768 INFO L478 AbstractCegarLoop]: Abstraction has 160 states and 237 transitions. [2022-04-06 13:50:15,768 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) [2022-04-06 13:50:15,768 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 237 transitions. [2022-04-06 13:50:15,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-04-06 13:50:15,769 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:50:15,769 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] [2022-04-06 13:50:15,769 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-04-06 13:50:15,770 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:50:15,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:50:15,770 INFO L85 PathProgramCache]: Analyzing trace with hash 1215492855, now seen corresponding path program 1 times [2022-04-06 13:50:15,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:50:15,770 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010361990] [2022-04-06 13:50:15,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:50:15,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:50:15,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:50:15,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:50:15,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:50:15,904 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 13:50:15,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:50:15,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010361990] [2022-04-06 13:50:15,904 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010361990] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:50:15,905 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:50:15,905 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-06 13:50:15,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465845128] [2022-04-06 13:50:15,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:50:15,905 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-06 13:50:15,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:50:15,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-06 13:50:15,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-06 13:50:15,906 INFO L87 Difference]: Start difference. First operand 160 states and 237 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) [2022-04-06 13:50:17,916 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 [] [2022-04-06 13:50:18,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:50:18,464 INFO L93 Difference]: Finished difference Result 395 states and 596 transitions. [2022-04-06 13:50:18,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 13:50:18,465 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 [2022-04-06 13:50:18,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:50:18,466 INFO L225 Difference]: With dead ends: 395 [2022-04-06 13:50:18,466 INFO L226 Difference]: Without dead ends: 261 [2022-04-06 13:50:18,467 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 [2022-04-06 13:50:18,468 INFO L913 BasicCegarLoop]: 107 mSDtfsCounter, 137 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 463 mSolverCounterSat, 64 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 463 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-04-06 13:50:18,468 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [137 Valid, 312 Invalid, 528 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 463 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-04-06 13:50:18,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2022-04-06 13:50:18,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 161. [2022-04-06 13:50:18,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 156 states have (on average 1.4935897435897436) internal successors, (233), 156 states have internal predecessors, (233), 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) [2022-04-06 13:50:18,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 237 transitions. [2022-04-06 13:50:18,475 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 237 transitions. Word has length 67 [2022-04-06 13:50:18,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:50:18,475 INFO L478 AbstractCegarLoop]: Abstraction has 161 states and 237 transitions. [2022-04-06 13:50:18,475 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) [2022-04-06 13:50:18,476 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 237 transitions. [2022-04-06 13:50:18,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-04-06 13:50:18,476 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:50:18,476 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] [2022-04-06 13:50:18,476 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-04-06 13:50:18,477 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:50:18,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:50:18,477 INFO L85 PathProgramCache]: Analyzing trace with hash -1300586741, now seen corresponding path program 1 times [2022-04-06 13:50:18,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:50:18,477 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256018899] [2022-04-06 13:50:18,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:50:18,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:50:18,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:50:18,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:50:18,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:50:18,596 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 13:50:18,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:50:18,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256018899] [2022-04-06 13:50:18,596 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256018899] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:50:18,596 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:50:18,596 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-06 13:50:18,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145710363] [2022-04-06 13:50:18,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:50:18,597 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-06 13:50:18,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:50:18,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-06 13:50:18,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-06 13:50:18,598 INFO L87 Difference]: Start difference. First operand 161 states and 237 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) [2022-04-06 13:50:20,065 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 13:50:22,090 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 13:50:24,129 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 13:50:26,164 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 13:50:26,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:50:26,568 INFO L93 Difference]: Finished difference Result 309 states and 459 transitions. [2022-04-06 13:50:26,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 13:50:26,568 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 [2022-04-06 13:50:26,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:50:26,570 INFO L225 Difference]: With dead ends: 309 [2022-04-06 13:50:26,570 INFO L226 Difference]: Without dead ends: 174 [2022-04-06 13:50:26,570 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 [2022-04-06 13:50:26,571 INFO L913 BasicCegarLoop]: 181 mSDtfsCounter, 20 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 343 mSolverCounterSat, 8 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 343 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2022-04-06 13:50:26,571 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 461 Invalid, 354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 343 Invalid, 3 Unknown, 0 Unchecked, 7.9s Time] [2022-04-06 13:50:26,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2022-04-06 13:50:26,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 161. [2022-04-06 13:50:26,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 156 states have (on average 1.4871794871794872) internal successors, (232), 156 states have internal predecessors, (232), 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) [2022-04-06 13:50:26,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 236 transitions. [2022-04-06 13:50:26,577 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 236 transitions. Word has length 68 [2022-04-06 13:50:26,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:50:26,578 INFO L478 AbstractCegarLoop]: Abstraction has 161 states and 236 transitions. [2022-04-06 13:50:26,578 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) [2022-04-06 13:50:26,578 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 236 transitions. [2022-04-06 13:50:26,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-04-06 13:50:26,579 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:50:26,579 INFO L499 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 13:50:26,579 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-04-06 13:50:26,579 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:50:26,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:50:26,580 INFO L85 PathProgramCache]: Analyzing trace with hash -2012920966, now seen corresponding path program 1 times [2022-04-06 13:50:26,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:50:26,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474420526] [2022-04-06 13:50:26,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:50:26,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:50:26,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:50:26,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:50:26,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:50:26,704 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 13:50:26,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:50:26,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474420526] [2022-04-06 13:50:26,704 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1474420526] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:50:26,705 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:50:26,705 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-06 13:50:26,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448489210] [2022-04-06 13:50:26,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:50:26,706 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-06 13:50:26,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:50:26,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-06 13:50:26,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-06 13:50:26,707 INFO L87 Difference]: Start difference. First operand 161 states and 236 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) [2022-04-06 13:50:28,717 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 [] [2022-04-06 13:50:29,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:50:29,102 INFO L93 Difference]: Finished difference Result 299 states and 445 transitions. [2022-04-06 13:50:29,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 13:50:29,103 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 [2022-04-06 13:50:29,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:50:29,104 INFO L225 Difference]: With dead ends: 299 [2022-04-06 13:50:29,104 INFO L226 Difference]: Without dead ends: 164 [2022-04-06 13:50:29,104 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 [2022-04-06 13:50:29,105 INFO L913 BasicCegarLoop]: 188 mSDtfsCounter, 11 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 328 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 475 SdHoareTripleChecker+Invalid, 333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 328 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-04-06 13:50:29,105 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 475 Invalid, 333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 328 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-04-06 13:50:29,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2022-04-06 13:50:29,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 161. [2022-04-06 13:50:29,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 156 states have (on average 1.4807692307692308) internal successors, (231), 156 states have internal predecessors, (231), 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) [2022-04-06 13:50:29,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 235 transitions. [2022-04-06 13:50:29,110 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 235 transitions. Word has length 69 [2022-04-06 13:50:29,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:50:29,111 INFO L478 AbstractCegarLoop]: Abstraction has 161 states and 235 transitions. [2022-04-06 13:50:29,111 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) [2022-04-06 13:50:29,111 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 235 transitions. [2022-04-06 13:50:29,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-04-06 13:50:29,112 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:50:29,112 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] [2022-04-06 13:50:29,112 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-04-06 13:50:29,112 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:50:29,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:50:29,113 INFO L85 PathProgramCache]: Analyzing trace with hash -395382167, now seen corresponding path program 1 times [2022-04-06 13:50:29,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:50:29,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988968217] [2022-04-06 13:50:29,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:50:29,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:50:29,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:50:29,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:50:29,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:50:29,244 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 13:50:29,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:50:29,244 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988968217] [2022-04-06 13:50:29,245 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988968217] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:50:29,246 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:50:29,246 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-06 13:50:29,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356104391] [2022-04-06 13:50:29,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:50:29,249 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-06 13:50:29,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:50:29,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-06 13:50:29,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-06 13:50:29,250 INFO L87 Difference]: Start difference. First operand 161 states and 235 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) [2022-04-06 13:50:31,268 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 [] [2022-04-06 13:50:31,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:50:31,756 INFO L93 Difference]: Finished difference Result 409 states and 612 transitions. [2022-04-06 13:50:31,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 13:50:31,757 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 [2022-04-06 13:50:31,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:50:31,758 INFO L225 Difference]: With dead ends: 409 [2022-04-06 13:50:31,759 INFO L226 Difference]: Without dead ends: 274 [2022-04-06 13:50:31,759 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 [2022-04-06 13:50:31,760 INFO L913 BasicCegarLoop]: 107 mSDtfsCounter, 106 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 464 mSolverCounterSat, 63 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 464 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-04-06 13:50:31,760 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [106 Valid, 313 Invalid, 528 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 464 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-04-06 13:50:31,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2022-04-06 13:50:31,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 204. [2022-04-06 13:50:31,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 199 states have (on average 1.5527638190954773) internal successors, (309), 199 states have internal predecessors, (309), 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) [2022-04-06 13:50:31,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 313 transitions. [2022-04-06 13:50:31,767 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 313 transitions. Word has length 69 [2022-04-06 13:50:31,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:50:31,767 INFO L478 AbstractCegarLoop]: Abstraction has 204 states and 313 transitions. [2022-04-06 13:50:31,768 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) [2022-04-06 13:50:31,768 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 313 transitions. [2022-04-06 13:50:31,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-04-06 13:50:31,768 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:50:31,769 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] [2022-04-06 13:50:31,769 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-04-06 13:50:31,769 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:50:31,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:50:31,769 INFO L85 PathProgramCache]: Analyzing trace with hash 629002011, now seen corresponding path program 1 times [2022-04-06 13:50:31,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:50:31,770 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809241196] [2022-04-06 13:50:31,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:50:31,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:50:31,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:50:31,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:50:31,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:50:31,878 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 13:50:31,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:50:31,878 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809241196] [2022-04-06 13:50:31,878 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809241196] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:50:31,878 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:50:31,878 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-06 13:50:31,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047146147] [2022-04-06 13:50:31,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:50:31,879 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-06 13:50:31,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:50:31,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-06 13:50:31,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-06 13:50:31,880 INFO L87 Difference]: Start difference. First operand 204 states and 313 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) [2022-04-06 13:50:33,462 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 13:50:35,488 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 13:50:37,423 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 13:50:39,452 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 13:50:39,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:50:39,851 INFO L93 Difference]: Finished difference Result 425 states and 660 transitions. [2022-04-06 13:50:39,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 13:50:39,851 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 [2022-04-06 13:50:39,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:50:39,852 INFO L225 Difference]: With dead ends: 425 [2022-04-06 13:50:39,852 INFO L226 Difference]: Without dead ends: 247 [2022-04-06 13:50:39,853 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 [2022-04-06 13:50:39,854 INFO L913 BasicCegarLoop]: 184 mSDtfsCounter, 32 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 11 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 473 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 386 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2022-04-06 13:50:39,854 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [32 Valid, 473 Invalid, 399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 386 Invalid, 2 Unknown, 0 Unchecked, 7.9s Time] [2022-04-06 13:50:39,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2022-04-06 13:50:39,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 226. [2022-04-06 13:50:39,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 221 states have (on average 1.5610859728506787) internal successors, (345), 221 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) [2022-04-06 13:50:39,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 349 transitions. [2022-04-06 13:50:39,861 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 349 transitions. Word has length 70 [2022-04-06 13:50:39,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:50:39,861 INFO L478 AbstractCegarLoop]: Abstraction has 226 states and 349 transitions. [2022-04-06 13:50:39,861 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) [2022-04-06 13:50:39,861 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 349 transitions. [2022-04-06 13:50:39,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-04-06 13:50:39,862 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:50:39,862 INFO L499 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 13:50:39,862 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-04-06 13:50:39,862 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:50:39,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:50:39,863 INFO L85 PathProgramCache]: Analyzing trace with hash 2007683401, now seen corresponding path program 1 times [2022-04-06 13:50:39,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:50:39,863 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929490728] [2022-04-06 13:50:39,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:50:39,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:50:39,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:50:39,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:50:39,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:50:39,986 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 13:50:39,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:50:39,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929490728] [2022-04-06 13:50:39,986 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929490728] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:50:39,987 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:50:39,987 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-06 13:50:39,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113760886] [2022-04-06 13:50:39,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:50:39,987 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-06 13:50:39,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:50:39,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-06 13:50:39,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-06 13:50:39,988 INFO L87 Difference]: Start difference. First operand 226 states and 349 transitions. Second operand has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 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) [2022-04-06 13:50:41,515 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 13:50:43,544 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 13:50:45,571 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 13:50:47,602 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 13:50:47,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:50:47,988 INFO L93 Difference]: Finished difference Result 447 states and 695 transitions. [2022-04-06 13:50:47,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 13:50:47,989 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 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 83 [2022-04-06 13:50:47,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:50:47,990 INFO L225 Difference]: With dead ends: 447 [2022-04-06 13:50:47,990 INFO L226 Difference]: Without dead ends: 247 [2022-04-06 13:50:47,991 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 [2022-04-06 13:50:47,991 INFO L913 BasicCegarLoop]: 185 mSDtfsCounter, 37 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 384 mSolverCounterSat, 11 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 473 SdHoareTripleChecker+Invalid, 398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 384 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2022-04-06 13:50:47,992 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [37 Valid, 473 Invalid, 398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 384 Invalid, 3 Unknown, 0 Unchecked, 8.0s Time] [2022-04-06 13:50:47,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2022-04-06 13:50:47,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 226. [2022-04-06 13:50:47,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 221 states have (on average 1.5565610859728507) internal successors, (344), 221 states have internal predecessors, (344), 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) [2022-04-06 13:50:47,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 348 transitions. [2022-04-06 13:50:47,998 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 348 transitions. Word has length 83 [2022-04-06 13:50:47,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:50:47,998 INFO L478 AbstractCegarLoop]: Abstraction has 226 states and 348 transitions. [2022-04-06 13:50:47,999 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 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) [2022-04-06 13:50:47,999 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 348 transitions. [2022-04-06 13:50:47,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-04-06 13:50:47,999 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:50:47,999 INFO L499 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 13:50:47,999 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-04-06 13:50:48,000 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:50:48,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:50:48,000 INFO L85 PathProgramCache]: Analyzing trace with hash -2137434271, now seen corresponding path program 1 times [2022-04-06 13:50:48,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:50:48,000 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060612834] [2022-04-06 13:50:48,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:50:48,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:50:48,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:50:48,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:50:48,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:50:48,119 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-04-06 13:50:48,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:50:48,119 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060612834] [2022-04-06 13:50:48,119 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060612834] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:50:48,119 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:50:48,119 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-06 13:50:48,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139231087] [2022-04-06 13:50:48,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:50:48,120 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-06 13:50:48,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:50:48,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-06 13:50:48,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-06 13:50:48,120 INFO L87 Difference]: Start difference. First operand 226 states and 348 transitions. Second operand has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 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) [2022-04-06 13:50:50,130 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 [] [2022-04-06 13:50:50,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:50:50,516 INFO L93 Difference]: Finished difference Result 455 states and 707 transitions. [2022-04-06 13:50:50,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 13:50:50,516 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 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 84 [2022-04-06 13:50:50,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:50:50,518 INFO L225 Difference]: With dead ends: 455 [2022-04-06 13:50:50,518 INFO L226 Difference]: Without dead ends: 255 [2022-04-06 13:50:50,519 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 [2022-04-06 13:50:50,520 INFO L913 BasicCegarLoop]: 220 mSDtfsCounter, 20 mSDsluCounter, 324 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 544 SdHoareTripleChecker+Invalid, 397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 386 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-04-06 13:50:50,520 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 544 Invalid, 397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 386 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-04-06 13:50:50,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2022-04-06 13:50:50,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 242. [2022-04-06 13:50:50,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 242 states, 237 states have (on average 1.5527426160337552) internal successors, (368), 237 states have internal predecessors, (368), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:50:50,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 372 transitions. [2022-04-06 13:50:50,527 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 372 transitions. Word has length 84 [2022-04-06 13:50:50,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:50:50,527 INFO L478 AbstractCegarLoop]: Abstraction has 242 states and 372 transitions. [2022-04-06 13:50:50,527 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 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) [2022-04-06 13:50:50,527 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 372 transitions. [2022-04-06 13:50:50,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-04-06 13:50:50,528 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:50:50,528 INFO L499 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 13:50:50,528 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-04-06 13:50:50,528 INFO L403 AbstractCegarLoop]: === Iteration 14 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:50:50,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:50:50,529 INFO L85 PathProgramCache]: Analyzing trace with hash -1795644447, now seen corresponding path program 1 times [2022-04-06 13:50:50,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:50:50,529 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130174005] [2022-04-06 13:50:50,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:50:50,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:50:50,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:50:50,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:50:50,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:50:50,650 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 13:50:50,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:50:50,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130174005] [2022-04-06 13:50:50,651 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1130174005] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:50:50,651 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:50:50,651 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-06 13:50:50,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324473444] [2022-04-06 13:50:50,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:50:50,652 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-06 13:50:50,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:50:50,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-06 13:50:50,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-06 13:50:50,653 INFO L87 Difference]: Start difference. First operand 242 states and 372 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 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) [2022-04-06 13:50:52,661 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 [] [2022-04-06 13:50:53,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:50:53,208 INFO L93 Difference]: Finished difference Result 557 states and 866 transitions. [2022-04-06 13:50:53,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 13:50:53,208 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 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 84 [2022-04-06 13:50:53,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:50:53,210 INFO L225 Difference]: With dead ends: 557 [2022-04-06 13:50:53,210 INFO L226 Difference]: Without dead ends: 341 [2022-04-06 13:50:53,211 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 [2022-04-06 13:50:53,211 INFO L913 BasicCegarLoop]: 109 mSDtfsCounter, 132 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 462 mSolverCounterSat, 63 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 526 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 462 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-04-06 13:50:53,211 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [132 Valid, 316 Invalid, 526 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 462 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-04-06 13:50:53,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2022-04-06 13:50:53,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 247. [2022-04-06 13:50:53,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 242 states have (on average 1.5495867768595042) internal successors, (375), 242 states have internal predecessors, (375), 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) [2022-04-06 13:50:53,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 379 transitions. [2022-04-06 13:50:53,218 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 379 transitions. Word has length 84 [2022-04-06 13:50:53,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:50:53,218 INFO L478 AbstractCegarLoop]: Abstraction has 247 states and 379 transitions. [2022-04-06 13:50:53,218 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 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) [2022-04-06 13:50:53,218 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 379 transitions. [2022-04-06 13:50:53,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-04-06 13:50:53,219 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:50:53,219 INFO L499 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-04-06 13:50:53,220 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-04-06 13:50:53,220 INFO L403 AbstractCegarLoop]: === Iteration 15 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:50:53,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:50:53,220 INFO L85 PathProgramCache]: Analyzing trace with hash -167987455, now seen corresponding path program 1 times [2022-04-06 13:50:53,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:50:53,220 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171981747] [2022-04-06 13:50:53,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:50:53,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:50:53,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:50:53,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:50:53,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:50:53,326 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 13:50:53,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:50:53,326 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171981747] [2022-04-06 13:50:53,326 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171981747] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:50:53,326 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:50:53,326 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-06 13:50:53,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443283996] [2022-04-06 13:50:53,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:50:53,327 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-06 13:50:53,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:50:53,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-06 13:50:53,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-06 13:50:53,328 INFO L87 Difference]: Start difference. First operand 247 states and 379 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 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) [2022-04-06 13:50:55,336 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 [] [2022-04-06 13:50:55,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:50:55,773 INFO L93 Difference]: Finished difference Result 486 states and 752 transitions. [2022-04-06 13:50:55,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 13:50:55,773 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 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 84 [2022-04-06 13:50:55,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:50:55,774 INFO L225 Difference]: With dead ends: 486 [2022-04-06 13:50:55,774 INFO L226 Difference]: Without dead ends: 265 [2022-04-06 13:50:55,775 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 [2022-04-06 13:50:55,775 INFO L913 BasicCegarLoop]: 188 mSDtfsCounter, 34 mSDsluCounter, 291 mSDsCounter, 0 mSdLazyCounter, 377 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 479 SdHoareTripleChecker+Invalid, 388 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 377 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-04-06 13:50:55,776 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 479 Invalid, 388 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 377 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-04-06 13:50:55,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2022-04-06 13:50:55,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 247. [2022-04-06 13:50:55,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 242 states have (on average 1.5454545454545454) internal successors, (374), 242 states have internal predecessors, (374), 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) [2022-04-06 13:50:55,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 378 transitions. [2022-04-06 13:50:55,782 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 378 transitions. Word has length 84 [2022-04-06 13:50:55,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:50:55,782 INFO L478 AbstractCegarLoop]: Abstraction has 247 states and 378 transitions. [2022-04-06 13:50:55,782 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 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) [2022-04-06 13:50:55,782 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 378 transitions. [2022-04-06 13:50:55,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-04-06 13:50:55,783 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:50:55,783 INFO L499 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 13:50:55,783 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-04-06 13:50:55,783 INFO L403 AbstractCegarLoop]: === Iteration 16 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:50:55,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:50:55,784 INFO L85 PathProgramCache]: Analyzing trace with hash -900811154, now seen corresponding path program 1 times [2022-04-06 13:50:55,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:50:55,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833818842] [2022-04-06 13:50:55,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:50:55,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:50:55,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:50:55,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:50:55,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:50:55,920 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-04-06 13:50:55,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:50:55,920 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833818842] [2022-04-06 13:50:55,921 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833818842] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:50:55,921 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:50:55,922 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-06 13:50:55,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512488035] [2022-04-06 13:50:55,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:50:55,922 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-06 13:50:55,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:50:55,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-06 13:50:55,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-06 13:50:55,923 INFO L87 Difference]: Start difference. First operand 247 states and 378 transitions. Second operand has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 5 states have internal predecessors, (80), 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) [2022-04-06 13:50:57,934 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 [] [2022-04-06 13:50:58,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:50:58,326 INFO L93 Difference]: Finished difference Result 477 states and 738 transitions. [2022-04-06 13:50:58,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-06 13:50:58,326 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 5 states have internal predecessors, (80), 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 85 [2022-04-06 13:50:58,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:50:58,327 INFO L225 Difference]: With dead ends: 477 [2022-04-06 13:50:58,327 INFO L226 Difference]: Without dead ends: 256 [2022-04-06 13:50:58,328 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 [2022-04-06 13:50:58,329 INFO L913 BasicCegarLoop]: 193 mSDtfsCounter, 3 mSDsluCounter, 400 mSDsCounter, 0 mSdLazyCounter, 421 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 593 SdHoareTripleChecker+Invalid, 426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 421 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-04-06 13:50:58,329 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 593 Invalid, 426 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 421 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-04-06 13:50:58,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2022-04-06 13:50:58,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 256. [2022-04-06 13:50:58,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 251 states have (on average 1.5338645418326693) internal successors, (385), 251 states have internal predecessors, (385), 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) [2022-04-06 13:50:58,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 389 transitions. [2022-04-06 13:50:58,335 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 389 transitions. Word has length 85 [2022-04-06 13:50:58,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:50:58,336 INFO L478 AbstractCegarLoop]: Abstraction has 256 states and 389 transitions. [2022-04-06 13:50:58,336 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 5 states have internal predecessors, (80), 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) [2022-04-06 13:50:58,336 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 389 transitions. [2022-04-06 13:50:58,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-04-06 13:50:58,337 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:50:58,337 INFO L499 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 13:50:58,337 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-04-06 13:50:58,337 INFO L403 AbstractCegarLoop]: === Iteration 17 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:50:58,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:50:58,338 INFO L85 PathProgramCache]: Analyzing trace with hash 2108961938, now seen corresponding path program 1 times [2022-04-06 13:50:58,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:50:58,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755236407] [2022-04-06 13:50:58,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:50:58,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:50:58,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:50:58,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:50:58,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:50:58,486 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 13:50:58,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:50:58,486 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755236407] [2022-04-06 13:50:58,486 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1755236407] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:50:58,486 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:50:58,487 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-06 13:50:58,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644050477] [2022-04-06 13:50:58,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:50:58,487 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-06 13:50:58,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:50:58,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-06 13:50:58,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-06 13:50:58,488 INFO L87 Difference]: Start difference. First operand 256 states and 389 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) [2022-04-06 13:51:00,278 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 13:51:02,308 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 13:51:04,338 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 13:51:06,359 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 13:51:06,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:51:06,908 INFO L93 Difference]: Finished difference Result 589 states and 901 transitions. [2022-04-06 13:51:06,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 13:51:06,908 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 87 [2022-04-06 13:51:06,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:51:06,910 INFO L225 Difference]: With dead ends: 589 [2022-04-06 13:51:06,910 INFO L226 Difference]: Without dead ends: 359 [2022-04-06 13:51:06,910 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 [2022-04-06 13:51:06,911 INFO L913 BasicCegarLoop]: 109 mSDtfsCounter, 135 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 463 mSolverCounterSat, 63 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 463 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2022-04-06 13:51:06,911 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [135 Valid, 316 Invalid, 529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 463 Invalid, 3 Unknown, 0 Unchecked, 8.4s Time] [2022-04-06 13:51:06,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2022-04-06 13:51:06,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 256. [2022-04-06 13:51:06,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 251 states have (on average 1.5179282868525896) internal successors, (381), 251 states have internal predecessors, (381), 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) [2022-04-06 13:51:06,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 385 transitions. [2022-04-06 13:51:06,919 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 385 transitions. Word has length 87 [2022-04-06 13:51:06,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:51:06,919 INFO L478 AbstractCegarLoop]: Abstraction has 256 states and 385 transitions. [2022-04-06 13:51:06,919 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) [2022-04-06 13:51:06,919 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 385 transitions. [2022-04-06 13:51:06,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-04-06 13:51:06,920 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:51:06,920 INFO L499 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 13:51:06,920 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-04-06 13:51:06,920 INFO L403 AbstractCegarLoop]: === Iteration 18 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:51:06,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:51:06,921 INFO L85 PathProgramCache]: Analyzing trace with hash 1280697289, now seen corresponding path program 1 times [2022-04-06 13:51:06,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:51:06,921 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171246630] [2022-04-06 13:51:06,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:51:06,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:51:06,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:51:07,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:51:07,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:51:07,028 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 13:51:07,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:51:07,028 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171246630] [2022-04-06 13:51:07,028 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171246630] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:51:07,028 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:51:07,028 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-06 13:51:07,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328151092] [2022-04-06 13:51:07,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:51:07,029 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-06 13:51:07,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:51:07,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-06 13:51:07,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-06 13:51:07,030 INFO L87 Difference]: Start difference. First operand 256 states and 385 transitions. Second operand has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 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) [2022-04-06 13:51:09,040 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 [] [2022-04-06 13:51:09,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:51:09,402 INFO L93 Difference]: Finished difference Result 503 states and 762 transitions. [2022-04-06 13:51:09,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 13:51:09,403 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 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 88 [2022-04-06 13:51:09,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:51:09,404 INFO L225 Difference]: With dead ends: 503 [2022-04-06 13:51:09,404 INFO L226 Difference]: Without dead ends: 273 [2022-04-06 13:51:09,404 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 [2022-04-06 13:51:09,405 INFO L913 BasicCegarLoop]: 189 mSDtfsCounter, 33 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 375 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 481 SdHoareTripleChecker+Invalid, 386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 375 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-04-06 13:51:09,405 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [33 Valid, 481 Invalid, 386 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 375 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-04-06 13:51:09,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2022-04-06 13:51:09,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 256. [2022-04-06 13:51:09,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 251 states have (on average 1.5139442231075697) internal successors, (380), 251 states have internal predecessors, (380), 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) [2022-04-06 13:51:09,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 384 transitions. [2022-04-06 13:51:09,412 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 384 transitions. Word has length 88 [2022-04-06 13:51:09,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:51:09,412 INFO L478 AbstractCegarLoop]: Abstraction has 256 states and 384 transitions. [2022-04-06 13:51:09,412 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 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) [2022-04-06 13:51:09,413 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 384 transitions. [2022-04-06 13:51:09,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-04-06 13:51:09,413 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:51:09,413 INFO L499 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 13:51:09,414 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-04-06 13:51:09,414 INFO L403 AbstractCegarLoop]: === Iteration 19 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:51:09,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:51:09,414 INFO L85 PathProgramCache]: Analyzing trace with hash 1630403386, now seen corresponding path program 1 times [2022-04-06 13:51:09,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:51:09,414 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450392553] [2022-04-06 13:51:09,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:51:09,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:51:09,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:51:09,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:51:09,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:51:09,570 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-04-06 13:51:09,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:51:09,570 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450392553] [2022-04-06 13:51:09,570 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450392553] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:51:09,570 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:51:09,570 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-06 13:51:09,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617347007] [2022-04-06 13:51:09,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:51:09,571 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-06 13:51:09,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:51:09,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-06 13:51:09,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-06 13:51:09,571 INFO L87 Difference]: Start difference. First operand 256 states and 384 transitions. Second operand has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 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) [2022-04-06 13:51:11,580 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 [] [2022-04-06 13:51:12,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:51:12,011 INFO L93 Difference]: Finished difference Result 589 states and 891 transitions. [2022-04-06 13:51:12,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 13:51:12,012 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 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 92 [2022-04-06 13:51:12,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:51:12,013 INFO L225 Difference]: With dead ends: 589 [2022-04-06 13:51:12,013 INFO L226 Difference]: Without dead ends: 357 [2022-04-06 13:51:12,014 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 [2022-04-06 13:51:12,014 INFO L913 BasicCegarLoop]: 114 mSDtfsCounter, 105 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 467 mSolverCounterSat, 60 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 467 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-04-06 13:51:12,015 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [105 Valid, 326 Invalid, 528 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 467 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-04-06 13:51:12,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2022-04-06 13:51:12,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 280. [2022-04-06 13:51:12,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280 states, 275 states have (on average 1.5527272727272727) internal successors, (427), 275 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) [2022-04-06 13:51:12,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 431 transitions. [2022-04-06 13:51:12,022 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 431 transitions. Word has length 92 [2022-04-06 13:51:12,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:51:12,022 INFO L478 AbstractCegarLoop]: Abstraction has 280 states and 431 transitions. [2022-04-06 13:51:12,022 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 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) [2022-04-06 13:51:12,023 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 431 transitions. [2022-04-06 13:51:12,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-04-06 13:51:12,024 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:51:12,024 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] [2022-04-06 13:51:12,024 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-04-06 13:51:12,024 INFO L403 AbstractCegarLoop]: === Iteration 20 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:51:12,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:51:12,024 INFO L85 PathProgramCache]: Analyzing trace with hash -908174334, now seen corresponding path program 1 times [2022-04-06 13:51:12,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:51:12,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211422673] [2022-04-06 13:51:12,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:51:12,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:51:12,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:51:12,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:51:12,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:51:12,143 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-04-06 13:51:12,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:51:12,144 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211422673] [2022-04-06 13:51:12,144 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1211422673] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:51:12,144 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:51:12,144 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-06 13:51:12,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157599976] [2022-04-06 13:51:12,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:51:12,144 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-06 13:51:12,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:51:12,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-06 13:51:12,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-06 13:51:12,145 INFO L87 Difference]: Start difference. First operand 280 states and 431 transitions. Second operand has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 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) [2022-04-06 13:51:14,154 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 [] [2022-04-06 13:51:14,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:51:14,606 INFO L93 Difference]: Finished difference Result 650 states and 1004 transitions. [2022-04-06 13:51:14,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 13:51:14,606 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 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 120 [2022-04-06 13:51:14,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:51:14,608 INFO L225 Difference]: With dead ends: 650 [2022-04-06 13:51:14,608 INFO L226 Difference]: Without dead ends: 396 [2022-04-06 13:51:14,608 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 [2022-04-06 13:51:14,609 INFO L913 BasicCegarLoop]: 122 mSDtfsCounter, 113 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 462 mSolverCounterSat, 49 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 462 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-04-06 13:51:14,609 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [113 Valid, 342 Invalid, 512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 462 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-04-06 13:51:14,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2022-04-06 13:51:14,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 312. [2022-04-06 13:51:14,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 307 states have (on average 1.5635179153094463) internal successors, (480), 307 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) [2022-04-06 13:51:14,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 484 transitions. [2022-04-06 13:51:14,617 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 484 transitions. Word has length 120 [2022-04-06 13:51:14,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:51:14,617 INFO L478 AbstractCegarLoop]: Abstraction has 312 states and 484 transitions. [2022-04-06 13:51:14,617 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 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) [2022-04-06 13:51:14,618 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 484 transitions. [2022-04-06 13:51:14,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-04-06 13:51:14,619 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:51:14,619 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] [2022-04-06 13:51:14,619 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-04-06 13:51:14,619 INFO L403 AbstractCegarLoop]: === Iteration 21 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:51:14,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:51:14,620 INFO L85 PathProgramCache]: Analyzing trace with hash 741774347, now seen corresponding path program 1 times [2022-04-06 13:51:14,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:51:14,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482511961] [2022-04-06 13:51:14,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:51:14,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:51:14,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:51:14,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:51:14,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:51:14,746 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2022-04-06 13:51:14,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:51:14,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482511961] [2022-04-06 13:51:14,746 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482511961] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:51:14,746 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:51:14,747 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-06 13:51:14,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551413572] [2022-04-06 13:51:14,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:51:14,747 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-06 13:51:14,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:51:14,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-06 13:51:14,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-06 13:51:14,748 INFO L87 Difference]: Start difference. First operand 312 states and 484 transitions. Second operand has 5 states, 5 states have (on average 17.0) internal successors, (85), 4 states have internal predecessors, (85), 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) [2022-04-06 13:51:16,756 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 13:51:18,790 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 13:51:20,820 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 13:51:22,847 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 13:51:23,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:51:23,345 INFO L93 Difference]: Finished difference Result 665 states and 1028 transitions. [2022-04-06 13:51:23,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 13:51:23,345 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 4 states have internal predecessors, (85), 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 125 [2022-04-06 13:51:23,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:51:23,347 INFO L225 Difference]: With dead ends: 665 [2022-04-06 13:51:23,347 INFO L226 Difference]: Without dead ends: 379 [2022-04-06 13:51:23,347 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 [2022-04-06 13:51:23,348 INFO L913 BasicCegarLoop]: 110 mSDtfsCounter, 135 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 458 mSolverCounterSat, 62 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 458 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2022-04-06 13:51:23,348 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [135 Valid, 318 Invalid, 523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 458 Invalid, 3 Unknown, 0 Unchecked, 8.6s Time] [2022-04-06 13:51:23,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2022-04-06 13:51:23,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 312. [2022-04-06 13:51:23,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 307 states have (on average 1.5472312703583062) internal successors, (475), 307 states have internal predecessors, (475), 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) [2022-04-06 13:51:23,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 479 transitions. [2022-04-06 13:51:23,356 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 479 transitions. Word has length 125 [2022-04-06 13:51:23,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:51:23,356 INFO L478 AbstractCegarLoop]: Abstraction has 312 states and 479 transitions. [2022-04-06 13:51:23,356 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 4 states have internal predecessors, (85), 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) [2022-04-06 13:51:23,356 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 479 transitions. [2022-04-06 13:51:23,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-04-06 13:51:23,357 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:51:23,357 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] [2022-04-06 13:51:23,357 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-04-06 13:51:23,358 INFO L403 AbstractCegarLoop]: === Iteration 22 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:51:23,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:51:23,358 INFO L85 PathProgramCache]: Analyzing trace with hash 1100699172, now seen corresponding path program 1 times [2022-04-06 13:51:23,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:51:23,358 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543535306] [2022-04-06 13:51:23,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:51:23,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:51:23,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:51:23,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:51:23,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:51:23,875 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2022-04-06 13:51:23,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:51:23,875 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543535306] [2022-04-06 13:51:23,875 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1543535306] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:51:23,876 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:51:23,876 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-04-06 13:51:23,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721282516] [2022-04-06 13:51:23,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:51:23,876 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-04-06 13:51:23,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:51:23,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-04-06 13:51:23,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-04-06 13:51:23,880 INFO L87 Difference]: Start difference. First operand 312 states and 479 transitions. Second operand has 7 states, 6 states have (on average 11.166666666666666) internal successors, (67), 5 states have internal predecessors, (67), 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) [2022-04-06 13:51:25,891 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 [] [2022-04-06 13:51:26,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:51:26,357 INFO L93 Difference]: Finished difference Result 617 states and 950 transitions. [2022-04-06 13:51:26,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-04-06 13:51:26,357 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 11.166666666666666) internal successors, (67), 5 states have internal predecessors, (67), 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 132 [2022-04-06 13:51:26,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:51:26,359 INFO L225 Difference]: With dead ends: 617 [2022-04-06 13:51:26,359 INFO L226 Difference]: Without dead ends: 312 [2022-04-06 13:51:26,359 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 [2022-04-06 13:51:26,360 INFO L913 BasicCegarLoop]: 199 mSDtfsCounter, 7 mSDsluCounter, 592 mSDsCounter, 0 mSdLazyCounter, 429 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 791 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 [2022-04-06 13:51:26,360 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 791 Invalid, 434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 429 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-04-06 13:51:26,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2022-04-06 13:51:26,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 312. [2022-04-06 13:51:26,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 307 states have (on average 1.5439739413680782) internal successors, (474), 307 states have internal predecessors, (474), 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) [2022-04-06 13:51:26,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 478 transitions. [2022-04-06 13:51:26,367 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 478 transitions. Word has length 132 [2022-04-06 13:51:26,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:51:26,367 INFO L478 AbstractCegarLoop]: Abstraction has 312 states and 478 transitions. [2022-04-06 13:51:26,367 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 11.166666666666666) internal successors, (67), 5 states have internal predecessors, (67), 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) [2022-04-06 13:51:26,368 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 478 transitions. [2022-04-06 13:51:26,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-04-06 13:51:26,369 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:51:26,369 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] [2022-04-06 13:51:26,369 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-04-06 13:51:26,369 INFO L403 AbstractCegarLoop]: === Iteration 23 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:51:26,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:51:26,370 INFO L85 PathProgramCache]: Analyzing trace with hash 885870019, now seen corresponding path program 1 times [2022-04-06 13:51:26,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:51:26,370 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277281518] [2022-04-06 13:51:26,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:51:26,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:51:26,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-06 13:51:26,839 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-04-06 13:51:27,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-06 13:51:27,132 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-04-06 13:51:27,133 INFO L618 BasicCegarLoop]: Counterexample is feasible [2022-04-06 13:51:27,134 INFO L788 garLoopResultBuilder]: Registering result UNSAFE for location ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-04-06 13:51:27,136 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-04-06 13:51:27,140 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] [2022-04-06 13:51:27,143 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-04-06 13:51:27,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.04 01:51:27 BasicIcfg [2022-04-06 13:51:27,279 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-04-06 13:51:27,280 INFO L158 Benchmark]: Toolchain (without parser) took 91969.21ms. Allocated memory was 188.7MB in the beginning and 287.3MB in the end (delta: 98.6MB). Free memory was 128.8MB in the beginning and 144.8MB in the end (delta: -16.0MB). Peak memory consumption was 82.5MB. Max. memory is 8.0GB. [2022-04-06 13:51:27,280 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 188.7MB. Free memory is still 147.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-04-06 13:51:27,281 INFO L158 Benchmark]: CACSL2BoogieTranslator took 598.85ms. Allocated memory was 188.7MB in the beginning and 239.1MB in the end (delta: 50.3MB). Free memory was 128.5MB in the beginning and 188.7MB in the end (delta: -60.2MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-04-06 13:51:27,281 INFO L158 Benchmark]: Boogie Preprocessor took 95.56ms. Allocated memory is still 239.1MB. Free memory was 188.7MB in the beginning and 180.8MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2022-04-06 13:51:27,283 INFO L158 Benchmark]: RCFGBuilder took 3056.18ms. Allocated memory is still 239.1MB. Free memory was 180.8MB in the beginning and 202.4MB in the end (delta: -21.6MB). Peak memory consumption was 87.0MB. Max. memory is 8.0GB. [2022-04-06 13:51:27,283 INFO L158 Benchmark]: IcfgTransformer took 41.94ms. Allocated memory is still 239.1MB. Free memory was 202.4MB in the beginning and 196.6MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2022-04-06 13:51:27,283 INFO L158 Benchmark]: TraceAbstraction took 88171.47ms. Allocated memory was 239.1MB in the beginning and 287.3MB in the end (delta: 48.2MB). Free memory was 196.1MB in the beginning and 144.8MB in the end (delta: 51.3MB). Peak memory consumption was 100.0MB. Max. memory is 8.0GB. [2022-04-06 13:51:27,289 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 188.7MB. Free memory is still 147.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 598.85ms. Allocated memory was 188.7MB in the beginning and 239.1MB in the end (delta: 50.3MB). Free memory was 128.5MB in the beginning and 188.7MB in the end (delta: -60.2MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Preprocessor took 95.56ms. Allocated memory is still 239.1MB. Free memory was 188.7MB in the beginning and 180.8MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * RCFGBuilder took 3056.18ms. Allocated memory is still 239.1MB. Free memory was 180.8MB in the beginning and 202.4MB in the end (delta: -21.6MB). Peak memory consumption was 87.0MB. Max. memory is 8.0GB. * IcfgTransformer took 41.94ms. Allocated memory is still 239.1MB. Free memory was 202.4MB in the beginning and 196.6MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * TraceAbstraction took 88171.47ms. Allocated memory was 239.1MB in the beginning and 287.3MB in the end (delta: 48.2MB). Free memory was 196.1MB in the beginning and 144.8MB in the end (delta: 51.3MB). Peak memory consumption was 100.0MB. 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: 1733]: 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 1152. Possible FailurePath: [L1054] static int init = 1; [L1055] static SSL_METHOD SSLv3_server_data ; VAL [\old(init)=18446744073709551619, \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={-18446744073709551614:0}, SSLv3_server_data={4:0}] [L1112] BUF_MEM *buf ; [L1113] unsigned long l ; [L1114] unsigned long Time ; [L1115] unsigned long tmp ; [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 = __VERIFIER_nondet_int() ; [L1126] int tmp___4 = __VERIFIER_nondet_int() ; [L1127] int tmp___5 = __VERIFIER_nondet_int() ; [L1128] int tmp___6 = __VERIFIER_nondet_int() ; [L1129] int tmp___7 ; [L1130] long tmp___8 = __VERIFIER_nondet_long() ; [L1131] int tmp___9 = __VERIFIER_nondet_int() ; [L1132] int tmp___10 = __VERIFIER_nondet_int() ; [L1133] int blastFlag ; [L1137] blastFlag = 0 [L1138] s->hit=__VERIFIER_nondet_int () [L1139] s->state = 8464 [L1140] tmp = __VERIFIER_nondet_int() [L1141] Time = tmp [L1142] cb = (void (*)())((void *)0) [L1143] ret = -1 [L1144] skip = 0 [L1145] got_new_session = 0 [L1146] EXPR s->info_callback VAL [={0:0}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={-18446744073709551614:0}, s={-18446744073709551614:0}, s->info_callback={0:-13}, skip=0, SSLv3_server_data={4:0}, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1146] COND TRUE (unsigned long )s->info_callback != (unsigned long )((void *)0) [L1147] EXPR s->info_callback [L1147] cb = s->info_callback [L1151] EXPR s->in_handshake [L1151] s->in_handshake += 1 [L1152] COND FALSE !(tmp___1 & 12288) VAL [={0:-13}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={-18446744073709551614:0}, s={-18446744073709551614:0}, skip=0, SSLv3_server_data={4:0}, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1161] EXPR s->cert VAL [={0:-13}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={-18446744073709551614:0}, s={-18446744073709551614:0}, s->cert={-18446744073709551615:0}, skip=0, SSLv3_server_data={4:0}, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1161] COND FALSE !((unsigned long )s->cert == (unsigned long )((void *)0)) [L1167] COND TRUE 1 VAL [={0:-13}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={-18446744073709551614:0}, s={-18446744073709551614:0}, skip=0, SSLv3_server_data={4:0}, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1169] EXPR s->state [L1169] state = s->state [L1170] EXPR s->state VAL [={0:-13}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={-18446744073709551614:0}, s={-18446744073709551614:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1170] COND FALSE !(s->state == 12292) [L1173] EXPR s->state VAL [={0:-13}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={-18446744073709551614:0}, s={-18446744073709551614:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1173] COND FALSE !(s->state == 16384) [L1176] EXPR s->state VAL [={0:-13}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={-18446744073709551614:0}, s={-18446744073709551614:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1176] COND FALSE !(s->state == 8192) [L1179] EXPR s->state VAL [={0:-13}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={-18446744073709551614:0}, s={-18446744073709551614:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1179] COND FALSE !(s->state == 24576) [L1182] EXPR s->state VAL [={0:-13}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={-18446744073709551614:0}, s={-18446744073709551614:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1182] COND FALSE !(s->state == 8195) [L1185] EXPR s->state VAL [={0:-13}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={-18446744073709551614:0}, s={-18446744073709551614:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1185] COND FALSE !(s->state == 8480) [L1188] EXPR s->state VAL [={0:-13}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={-18446744073709551614:0}, s={-18446744073709551614:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1188] COND FALSE !(s->state == 8481) [L1191] EXPR s->state VAL [={0:-13}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={-18446744073709551614:0}, s={-18446744073709551614:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1191] COND FALSE !(s->state == 8482) [L1194] EXPR s->state VAL [={0:-13}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={-18446744073709551614:0}, s={-18446744073709551614:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1194] COND TRUE s->state == 8464 [L1354] s->shutdown = 0 [L1355] ret = __VERIFIER_nondet_int() [L1356] COND TRUE blastFlag == 0 [L1357] blastFlag = 1 VAL [={0:-13}, blastFlag=1, got_new_session=0, init=1, ret=1, s={-18446744073709551614:0}, s={-18446744073709551614:0}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1361] COND FALSE !(ret <= 0) [L1366] got_new_session = 1 [L1367] s->state = 8496 [L1368] s->init_num = 0 VAL [={0:-13}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-18446744073709551614:0}, s={-18446744073709551614:0}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1692] EXPR s->s3 [L1692] EXPR (s->s3)->tmp.reuse_message VAL [={0:-13}, (s->s3)->tmp.reuse_message=18446744073709551640, blastFlag=1, got_new_session=1, init=1, ret=1, s={-18446744073709551614:0}, s={-18446744073709551614:0}, s->s3={-18446744073709551617:0}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1692] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1721] skip = 0 VAL [={0:-13}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-18446744073709551614:0}, s={-18446744073709551614:0}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1167] COND TRUE 1 VAL [={0:-13}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-18446744073709551614:0}, s={-18446744073709551614:0}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1169] EXPR s->state [L1169] state = s->state [L1170] EXPR s->state VAL [={0:-13}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-18446744073709551614:0}, s={-18446744073709551614:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1170] COND FALSE !(s->state == 12292) [L1173] EXPR s->state VAL [={0:-13}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-18446744073709551614:0}, s={-18446744073709551614:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1173] COND FALSE !(s->state == 16384) [L1176] EXPR s->state VAL [={0:-13}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-18446744073709551614:0}, s={-18446744073709551614:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1176] COND FALSE !(s->state == 8192) [L1179] EXPR s->state VAL [={0:-13}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-18446744073709551614:0}, s={-18446744073709551614:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1179] COND FALSE !(s->state == 24576) [L1182] EXPR s->state VAL [={0:-13}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-18446744073709551614:0}, s={-18446744073709551614:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1182] COND FALSE !(s->state == 8195) [L1185] EXPR s->state VAL [={0:-13}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-18446744073709551614:0}, s={-18446744073709551614:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1185] COND FALSE !(s->state == 8480) [L1188] EXPR s->state VAL [={0:-13}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-18446744073709551614:0}, s={-18446744073709551614:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1188] COND FALSE !(s->state == 8481) [L1191] EXPR s->state VAL [={0:-13}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-18446744073709551614:0}, s={-18446744073709551614:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1191] COND FALSE !(s->state == 8482) [L1194] EXPR s->state VAL [={0:-13}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-18446744073709551614:0}, s={-18446744073709551614:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1194] COND FALSE !(s->state == 8464) [L1197] EXPR s->state VAL [={0:-13}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-18446744073709551614:0}, s={-18446744073709551614:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1197] COND FALSE !(s->state == 8465) [L1200] EXPR s->state VAL [={0:-13}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-18446744073709551614:0}, s={-18446744073709551614:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1200] COND FALSE !(s->state == 8466) [L1203] EXPR s->state VAL [={0:-13}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-18446744073709551614:0}, s={-18446744073709551614:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1203] COND TRUE s->state == 8496 [L1372] ret = __VERIFIER_nondet_int() [L1373] COND TRUE blastFlag == 1 [L1374] blastFlag = 2 VAL [={0:-13}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-18446744073709551614:0}, s={-18446744073709551614:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1378] COND FALSE !(ret <= 0) [L1383] s->hit VAL [={0:-13}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-18446744073709551614:0}, s={-18446744073709551614:0}, s->hit=8, skip=0, SSLv3_server_data={4:0}, state=8496, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1383] COND TRUE s->hit [L1384] s->state = 8656 VAL [={0:-13}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-18446744073709551614:0}, s={-18446744073709551614:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1388] s->init_num = 0 VAL [={0:-13}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-18446744073709551614:0}, s={-18446744073709551614:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1692] EXPR s->s3 [L1692] EXPR (s->s3)->tmp.reuse_message VAL [={0:-13}, (s->s3)->tmp.reuse_message=18446744073709551640, blastFlag=2, got_new_session=1, init=1, ret=1, s={-18446744073709551614:0}, s={-18446744073709551614:0}, s->s3={-18446744073709551617:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1692] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1721] skip = 0 VAL [={0:-13}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-18446744073709551614:0}, s={-18446744073709551614:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1167] COND TRUE 1 VAL [={0:-13}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-18446744073709551614:0}, s={-18446744073709551614:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1169] EXPR s->state [L1169] state = s->state [L1170] EXPR s->state VAL [={0:-13}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-18446744073709551614:0}, s={-18446744073709551614:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1170] COND FALSE !(s->state == 12292) [L1173] EXPR s->state VAL [={0:-13}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-18446744073709551614:0}, s={-18446744073709551614:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1173] COND FALSE !(s->state == 16384) [L1176] EXPR s->state VAL [={0:-13}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-18446744073709551614:0}, s={-18446744073709551614:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1176] COND FALSE !(s->state == 8192) [L1179] EXPR s->state VAL [={0:-13}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-18446744073709551614:0}, s={-18446744073709551614:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1179] COND FALSE !(s->state == 24576) [L1182] EXPR s->state VAL [={0:-13}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-18446744073709551614:0}, s={-18446744073709551614:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1182] COND FALSE !(s->state == 8195) [L1185] EXPR s->state VAL [={0:-13}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-18446744073709551614:0}, s={-18446744073709551614:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1185] COND FALSE !(s->state == 8480) [L1188] EXPR s->state VAL [={0:-13}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-18446744073709551614:0}, s={-18446744073709551614:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1188] COND FALSE !(s->state == 8481) [L1191] EXPR s->state VAL [={0:-13}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-18446744073709551614:0}, s={-18446744073709551614:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1191] COND FALSE !(s->state == 8482) [L1194] EXPR s->state VAL [={0:-13}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-18446744073709551614:0}, s={-18446744073709551614:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1194] COND FALSE !(s->state == 8464) [L1197] EXPR s->state VAL [={0:-13}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-18446744073709551614:0}, s={-18446744073709551614:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1197] COND FALSE !(s->state == 8465) [L1200] EXPR s->state VAL [={0:-13}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-18446744073709551614:0}, s={-18446744073709551614:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1200] COND FALSE !(s->state == 8466) [L1203] EXPR s->state VAL [={0:-13}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-18446744073709551614:0}, s={-18446744073709551614:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1203] COND FALSE !(s->state == 8496) [L1206] EXPR s->state VAL [={0:-13}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-18446744073709551614:0}, s={-18446744073709551614:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1206] COND FALSE !(s->state == 8497) [L1209] EXPR s->state VAL [={0:-13}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-18446744073709551614:0}, s={-18446744073709551614:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1209] COND FALSE !(s->state == 8512) [L1212] EXPR s->state VAL [={0:-13}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-18446744073709551614:0}, s={-18446744073709551614:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1212] COND FALSE !(s->state == 8513) [L1215] EXPR s->state VAL [={0:-13}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-18446744073709551614:0}, s={-18446744073709551614:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1215] COND FALSE !(s->state == 8528) [L1218] EXPR s->state VAL [={0:-13}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-18446744073709551614:0}, s={-18446744073709551614:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1218] COND FALSE !(s->state == 8529) [L1221] EXPR s->state VAL [={0:-13}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-18446744073709551614:0}, s={-18446744073709551614:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1221] COND FALSE !(s->state == 8544) [L1224] EXPR s->state VAL [={0:-13}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-18446744073709551614:0}, s={-18446744073709551614:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1224] COND FALSE !(s->state == 8545) [L1227] EXPR s->state VAL [={0:-13}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-18446744073709551614:0}, s={-18446744073709551614:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1227] COND FALSE !(s->state == 8560) [L1230] EXPR s->state VAL [={0:-13}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-18446744073709551614:0}, s={-18446744073709551614:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1230] COND FALSE !(s->state == 8561) [L1233] EXPR s->state VAL [={0:-13}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-18446744073709551614:0}, s={-18446744073709551614:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1233] COND FALSE !(s->state == 8448) [L1236] EXPR s->state VAL [={0:-13}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-18446744073709551614:0}, s={-18446744073709551614:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1236] COND FALSE !(s->state == 8576) [L1239] EXPR s->state VAL [={0:-13}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-18446744073709551614:0}, s={-18446744073709551614:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1239] COND FALSE !(s->state == 8577) [L1242] EXPR s->state VAL [={0:-13}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-18446744073709551614:0}, s={-18446744073709551614:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1242] COND FALSE !(s->state == 8592) [L1245] EXPR s->state VAL [={0:-13}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-18446744073709551614:0}, s={-18446744073709551614:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1245] COND FALSE !(s->state == 8593) [L1248] EXPR s->state VAL [={0:-13}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-18446744073709551614:0}, s={-18446744073709551614:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1248] COND FALSE !(s->state == 8608) [L1251] EXPR s->state VAL [={0:-13}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-18446744073709551614:0}, s={-18446744073709551614:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1251] COND FALSE !(s->state == 8609) [L1254] EXPR s->state VAL [={0:-13}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-18446744073709551614:0}, s={-18446744073709551614:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1254] COND FALSE !(s->state == 8640) [L1257] EXPR s->state VAL [={0:-13}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-18446744073709551614:0}, s={-18446744073709551614:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1257] COND FALSE !(s->state == 8641) [L1260] EXPR s->state VAL [={0:-13}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-18446744073709551614:0}, s={-18446744073709551614:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1260] COND TRUE s->state == 8656 [L1581] EXPR s->session [L1581] EXPR s->s3 [L1581] EXPR (s->s3)->tmp.new_cipher [L1581] (s->session)->cipher = (s->s3)->tmp.new_cipher [L1582] COND FALSE !(! tmp___9) [L1588] ret = __VERIFIER_nondet_int() [L1589] COND TRUE blastFlag == 2 [L1590] blastFlag = 4 VAL [={0:-13}, blastFlag=4, got_new_session=1, init=1, ret=13, s={-18446744073709551614:0}, s={-18446744073709551614:0}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1598] COND FALSE !(ret <= 0) [L1603] s->state = 8672 [L1604] s->init_num = 0 VAL [={0:-13}, blastFlag=4, got_new_session=1, init=1, ret=13, s={-18446744073709551614:0}, s={-18446744073709551614:0}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1605] COND FALSE !(! tmp___10) VAL [={0:-13}, blastFlag=4, got_new_session=1, init=1, ret=13, s={-18446744073709551614:0}, s={-18446744073709551614:0}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1692] EXPR s->s3 [L1692] EXPR (s->s3)->tmp.reuse_message VAL [={0:-13}, (s->s3)->tmp.reuse_message=18446744073709551640, blastFlag=4, got_new_session=1, init=1, ret=13, s={-18446744073709551614:0}, s={-18446744073709551614:0}, s->s3={-18446744073709551617:0}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1692] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1721] skip = 0 VAL [={0:-13}, blastFlag=4, got_new_session=1, init=1, ret=13, s={-18446744073709551614:0}, s={-18446744073709551614:0}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1167] COND TRUE 1 VAL [={0:-13}, blastFlag=4, got_new_session=1, init=1, ret=13, s={-18446744073709551614:0}, s={-18446744073709551614:0}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1169] EXPR s->state [L1169] state = s->state [L1170] EXPR s->state VAL [={0:-13}, blastFlag=4, got_new_session=1, init=1, ret=13, s={-18446744073709551614:0}, s={-18446744073709551614:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1170] COND FALSE !(s->state == 12292) [L1173] EXPR s->state VAL [={0:-13}, blastFlag=4, got_new_session=1, init=1, ret=13, s={-18446744073709551614:0}, s={-18446744073709551614:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1173] COND FALSE !(s->state == 16384) [L1176] EXPR s->state VAL [={0:-13}, blastFlag=4, got_new_session=1, init=1, ret=13, s={-18446744073709551614:0}, s={-18446744073709551614:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1176] COND FALSE !(s->state == 8192) [L1179] EXPR s->state VAL [={0:-13}, blastFlag=4, got_new_session=1, init=1, ret=13, s={-18446744073709551614:0}, s={-18446744073709551614:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1179] COND FALSE !(s->state == 24576) [L1182] EXPR s->state VAL [={0:-13}, blastFlag=4, got_new_session=1, init=1, ret=13, s={-18446744073709551614:0}, s={-18446744073709551614:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1182] COND FALSE !(s->state == 8195) [L1185] EXPR s->state VAL [={0:-13}, blastFlag=4, got_new_session=1, init=1, ret=13, s={-18446744073709551614:0}, s={-18446744073709551614:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1185] COND FALSE !(s->state == 8480) [L1188] EXPR s->state VAL [={0:-13}, blastFlag=4, got_new_session=1, init=1, ret=13, s={-18446744073709551614:0}, s={-18446744073709551614:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1188] COND FALSE !(s->state == 8481) [L1191] EXPR s->state VAL [={0:-13}, blastFlag=4, got_new_session=1, init=1, ret=13, s={-18446744073709551614:0}, s={-18446744073709551614:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1191] COND FALSE !(s->state == 8482) [L1194] EXPR s->state VAL [={0:-13}, blastFlag=4, got_new_session=1, init=1, ret=13, s={-18446744073709551614:0}, s={-18446744073709551614:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1194] COND FALSE !(s->state == 8464) [L1197] EXPR s->state VAL [={0:-13}, blastFlag=4, got_new_session=1, init=1, ret=13, s={-18446744073709551614:0}, s={-18446744073709551614:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1197] COND FALSE !(s->state == 8465) [L1200] EXPR s->state VAL [={0:-13}, blastFlag=4, got_new_session=1, init=1, ret=13, s={-18446744073709551614:0}, s={-18446744073709551614:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1200] COND FALSE !(s->state == 8466) [L1203] EXPR s->state VAL [={0:-13}, blastFlag=4, got_new_session=1, init=1, ret=13, s={-18446744073709551614:0}, s={-18446744073709551614:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1203] COND FALSE !(s->state == 8496) [L1206] EXPR s->state VAL [={0:-13}, blastFlag=4, got_new_session=1, init=1, ret=13, s={-18446744073709551614:0}, s={-18446744073709551614:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1206] COND FALSE !(s->state == 8497) [L1209] EXPR s->state VAL [={0:-13}, blastFlag=4, got_new_session=1, init=1, ret=13, s={-18446744073709551614:0}, s={-18446744073709551614:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1209] COND FALSE !(s->state == 8512) [L1212] EXPR s->state VAL [={0:-13}, blastFlag=4, got_new_session=1, init=1, ret=13, s={-18446744073709551614:0}, s={-18446744073709551614:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1212] COND FALSE !(s->state == 8513) [L1215] EXPR s->state VAL [={0:-13}, blastFlag=4, got_new_session=1, init=1, ret=13, s={-18446744073709551614:0}, s={-18446744073709551614:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1215] COND FALSE !(s->state == 8528) [L1218] EXPR s->state VAL [={0:-13}, blastFlag=4, got_new_session=1, init=1, ret=13, s={-18446744073709551614:0}, s={-18446744073709551614:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1218] COND FALSE !(s->state == 8529) [L1221] EXPR s->state VAL [={0:-13}, blastFlag=4, got_new_session=1, init=1, ret=13, s={-18446744073709551614:0}, s={-18446744073709551614:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1221] COND FALSE !(s->state == 8544) [L1224] EXPR s->state VAL [={0:-13}, blastFlag=4, got_new_session=1, init=1, ret=13, s={-18446744073709551614:0}, s={-18446744073709551614:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1224] COND FALSE !(s->state == 8545) [L1227] EXPR s->state VAL [={0:-13}, blastFlag=4, got_new_session=1, init=1, ret=13, s={-18446744073709551614:0}, s={-18446744073709551614:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1227] COND FALSE !(s->state == 8560) [L1230] EXPR s->state VAL [={0:-13}, blastFlag=4, got_new_session=1, init=1, ret=13, s={-18446744073709551614:0}, s={-18446744073709551614:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1230] COND FALSE !(s->state == 8561) [L1233] EXPR s->state VAL [={0:-13}, blastFlag=4, got_new_session=1, init=1, ret=13, s={-18446744073709551614:0}, s={-18446744073709551614:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1233] COND FALSE !(s->state == 8448) [L1236] EXPR s->state VAL [={0:-13}, blastFlag=4, got_new_session=1, init=1, ret=13, s={-18446744073709551614:0}, s={-18446744073709551614:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1236] COND FALSE !(s->state == 8576) [L1239] EXPR s->state VAL [={0:-13}, blastFlag=4, got_new_session=1, init=1, ret=13, s={-18446744073709551614:0}, s={-18446744073709551614:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1239] COND FALSE !(s->state == 8577) [L1242] EXPR s->state VAL [={0:-13}, blastFlag=4, got_new_session=1, init=1, ret=13, s={-18446744073709551614:0}, s={-18446744073709551614:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1242] COND FALSE !(s->state == 8592) [L1245] EXPR s->state VAL [={0:-13}, blastFlag=4, got_new_session=1, init=1, ret=13, s={-18446744073709551614:0}, s={-18446744073709551614:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1245] COND FALSE !(s->state == 8593) [L1248] EXPR s->state VAL [={0:-13}, blastFlag=4, got_new_session=1, init=1, ret=13, s={-18446744073709551614:0}, s={-18446744073709551614:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1248] COND FALSE !(s->state == 8608) [L1251] EXPR s->state VAL [={0:-13}, blastFlag=4, got_new_session=1, init=1, ret=13, s={-18446744073709551614:0}, s={-18446744073709551614:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1251] COND FALSE !(s->state == 8609) [L1254] EXPR s->state VAL [={0:-13}, blastFlag=4, got_new_session=1, init=1, ret=13, s={-18446744073709551614:0}, s={-18446744073709551614:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1254] COND FALSE !(s->state == 8640) [L1257] EXPR s->state VAL [={0:-13}, blastFlag=4, got_new_session=1, init=1, ret=13, s={-18446744073709551614:0}, s={-18446744073709551614:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1257] COND FALSE !(s->state == 8641) [L1260] EXPR s->state VAL [={0:-13}, blastFlag=4, got_new_session=1, init=1, ret=13, s={-18446744073709551614:0}, s={-18446744073709551614:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1260] COND FALSE !(s->state == 8656) [L1263] EXPR s->state VAL [={0:-13}, blastFlag=4, got_new_session=1, init=1, ret=13, s={-18446744073709551614:0}, s={-18446744073709551614:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1263] COND FALSE !(s->state == 8657) [L1266] EXPR s->state VAL [={0:-13}, blastFlag=4, got_new_session=1, init=1, ret=13, s={-18446744073709551614:0}, s={-18446744073709551614:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1266] COND TRUE s->state == 8672 [L1614] ret = __VERIFIER_nondet_int() [L1615] COND TRUE blastFlag == 4 VAL [={0:-13}, blastFlag=4, got_new_session=1, init=1, ret=0, s={-18446744073709551614:0}, s={-18446744073709551614:0}, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] [L1733] reach_error() VAL [={0:-13}, blastFlag=4, got_new_session=1, init=1, ret=0, s={-18446744073709551614:0}, s={-18446744073709551614:0}, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=7, tmp___2=10, tmp___3=11, tmp___4=0, tmp___5=-11, tmp___6=0, tmp___8=-12, tmp___9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 153 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 88.0s, OverallIterations: 23, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 83.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 31 mSolverCounterUnknown, 1323 SdHoareTripleChecker+Valid, 82.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1323 mSDsluCounter, 9728 SdHoareTripleChecker+Invalid, 80.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6182 mSDsCounter, 607 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8918 IncrementalHoareTripleChecker+Invalid, 9556 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 607 mSolverCounterUnsat, 3546 mSDtfsCounter, 8918 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 174 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=312occurred in iteration=20, InterpolantAutomatonStates: 114, 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, 22 MinimizatonAttempts, 880 StatesRemovedByMinimization, 20 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 1920 NumberOfCodeBlocks, 1920 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 1766 ConstructedInterpolants, 0 QuantifiedInterpolants, 4931 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 22 InterpolantComputations, 22 PerfectInterpolantSequences, 600/600 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 [2022-04-06 13:51:27,329 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...