/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.01.i.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-5d317bd [2022-03-19 01:47:44,071 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-19 01:47:44,094 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-19 01:47:44,136 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-19 01:47:44,136 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-19 01:47:44,138 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-19 01:47:44,140 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-19 01:47:44,142 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-19 01:47:44,143 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-19 01:47:44,146 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-19 01:47:44,147 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-19 01:47:44,148 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-19 01:47:44,148 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-19 01:47:44,149 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-19 01:47:44,150 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-19 01:47:44,152 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-19 01:47:44,153 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-19 01:47:44,153 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-19 01:47:44,155 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-19 01:47:44,157 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-19 01:47:44,158 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-03-19 01:47:44,158 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-19 01:47:44,159 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-19 01:47:44,160 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-19 01:47:44,160 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-19 01:47:44,161 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-19 01:47:44,165 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-19 01:47:44,166 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-19 01:47:44,170 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-19 01:47:44,171 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/loopacceleration/qvasr/qvasr_64.epf [2022-03-19 01:47:44,192 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-19 01:47:44,193 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-19 01:47:44,194 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-19 01:47:44,194 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-19 01:47:44,195 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-19 01:47:44,195 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-19 01:47:44,195 INFO L138 SettingsManager]: * Use SBE=true [2022-03-19 01:47:44,195 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-19 01:47:44,195 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-19 01:47:44,195 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-19 01:47:44,196 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-19 01:47:44,196 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-19 01:47:44,196 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-19 01:47:44,196 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-19 01:47:44,196 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-19 01:47:44,196 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-19 01:47:44,196 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-19 01:47:44,196 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-19 01:47:44,196 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-19 01:47:44,196 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-19 01:47:44,196 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-19 01:47:44,196 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-19 01:47:44,197 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-19 01:47:44,197 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-19 01:47:44,197 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-19 01:47:44,197 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-19 01:47:44,197 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-03-19 01:47:44,197 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-03-19 01:47:44,198 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-03-19 01:47:44,198 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-03-19 01:47:44,397 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-19 01:47:44,413 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-19 01:47:44,416 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-19 01:47:44,417 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-19 01:47:44,417 INFO L275 PluginConnector]: CDTParser initialized [2022-03-19 01:47:44,418 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/openssl/s3_srvr.blast.01.i.cil-2.c [2022-03-19 01:47:44,461 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ee98f107/ad472fd79c534ce797605cf8a7aac47d/FLAG9bd6528fa [2022-03-19 01:47:44,945 INFO L306 CDTParser]: Found 1 translation units. [2022-03-19 01:47:44,946 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/openssl/s3_srvr.blast.01.i.cil-2.c [2022-03-19 01:47:44,957 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ee98f107/ad472fd79c534ce797605cf8a7aac47d/FLAG9bd6528fa [2022-03-19 01:47:44,981 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ee98f107/ad472fd79c534ce797605cf8a7aac47d [2022-03-19 01:47:44,983 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-19 01:47:44,984 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-19 01:47:44,987 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-19 01:47:44,987 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-19 01:47:44,990 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-19 01:47:44,990 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.03 01:47:44" (1/1) ... [2022-03-19 01:47:44,991 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e3c9b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 01:47:44, skipping insertion in model container [2022-03-19 01:47:44,991 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.03 01:47:44" (1/1) ... [2022-03-19 01:47:44,996 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-19 01:47:45,050 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-19 01:47:45,326 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/openssl/s3_srvr.blast.01.i.cil-2.c[72913,72926] [2022-03-19 01:47:45,333 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-19 01:47:45,342 INFO L203 MainTranslator]: Completed pre-run [2022-03-19 01:47:45,419 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/openssl/s3_srvr.blast.01.i.cil-2.c[72913,72926] [2022-03-19 01:47:45,422 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-19 01:47:45,441 INFO L208 MainTranslator]: Completed translation [2022-03-19 01:47:45,442 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 01:47:45 WrapperNode [2022-03-19 01:47:45,442 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-19 01:47:45,444 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-19 01:47:45,444 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-19 01:47:45,444 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-19 01:47:45,452 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 01:47:45" (1/1) ... [2022-03-19 01:47:45,452 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 01:47:45" (1/1) ... [2022-03-19 01:47:45,484 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 01:47:45" (1/1) ... [2022-03-19 01:47:45,484 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 01:47:45" (1/1) ... [2022-03-19 01:47:45,535 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 01:47:45" (1/1) ... [2022-03-19 01:47:45,548 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 01:47:45" (1/1) ... [2022-03-19 01:47:45,551 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 01:47:45" (1/1) ... [2022-03-19 01:47:45,556 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-19 01:47:45,557 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-19 01:47:45,557 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-19 01:47:45,557 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-19 01:47:45,563 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 01:47:45" (1/1) ... [2022-03-19 01:47:45,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-19 01:47:45,575 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-19 01:47:45,589 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-19 01:47:45,607 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-19 01:47:45,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-03-19 01:47:45,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-19 01:47:45,620 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-03-19 01:47:45,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_get_server_method [2022-03-19 01:47:45,620 INFO L138 BoogieDeclarations]: Found implementation of procedure SSLv3_server_method [2022-03-19 01:47:45,621 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-03-19 01:47:45,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_accept [2022-03-19 01:47:45,621 INFO L138 BoogieDeclarations]: Found implementation of procedure sslv3_base_method [2022-03-19 01:47:45,622 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-03-19 01:47:45,623 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-03-19 01:47:45,623 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-03-19 01:47:45,623 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-03-19 01:47:45,623 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-03-19 01:47:45,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-19 01:47:45,623 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2022-03-19 01:47:45,623 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2022-03-19 01:47:45,623 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-03-19 01:47:45,623 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2022-03-19 01:47:45,623 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2022-03-19 01:47:45,623 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2022-03-19 01:47:45,623 INFO L130 BoogieDeclarations]: Found specification of procedure SSLv3_server_method [2022-03-19 01:47:45,623 INFO L130 BoogieDeclarations]: Found specification of procedure sslv3_base_method [2022-03-19 01:47:45,623 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_accept [2022-03-19 01:47:45,623 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_get_server_method [2022-03-19 01:47:45,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-03-19 01:47:45,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-03-19 01:47:45,624 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-03-19 01:47:45,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-03-19 01:47:45,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-19 01:47:45,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-03-19 01:47:45,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-19 01:47:45,624 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2022-03-19 01:47:45,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-03-19 01:47:45,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-03-19 01:47:45,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-19 01:47:45,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-19 01:47:45,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-03-19 01:47:45,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-03-19 01:47:45,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-03-19 01:47:45,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-03-19 01:47:45,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-19 01:47:45,780 INFO L234 CfgBuilder]: Building ICFG [2022-03-19 01:47:45,781 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-19 01:47:48,067 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-03-19 01:47:48,534 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##87: assume false; [2022-03-19 01:47:48,534 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##88: assume !false; [2022-03-19 01:47:48,545 INFO L275 CfgBuilder]: Performing block encoding [2022-03-19 01:47:48,553 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-19 01:47:48,553 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-03-19 01:47:48,555 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.03 01:47:48 BoogieIcfgContainer [2022-03-19 01:47:48,555 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-19 01:47:48,556 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-03-19 01:47:48,556 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-03-19 01:47:48,556 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-03-19 01:47:48,558 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.03 01:47:48" (1/1) ... [2022-03-19 01:47:48,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 19.03 01:47:48 BasicIcfg [2022-03-19 01:47:48,600 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-03-19 01:47:48,603 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-19 01:47:48,603 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-19 01:47:48,604 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-19 01:47:48,605 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.03 01:47:44" (1/4) ... [2022-03-19 01:47:48,605 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6aadded and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.03 01:47:48, skipping insertion in model container [2022-03-19 01:47:48,605 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 01:47:45" (2/4) ... [2022-03-19 01:47:48,606 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6aadded and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.03 01:47:48, skipping insertion in model container [2022-03-19 01:47:48,606 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.03 01:47:48" (3/4) ... [2022-03-19 01:47:48,607 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6aadded and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.03 01:47:48, skipping insertion in model container [2022-03-19 01:47:48,607 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 19.03 01:47:48" (4/4) ... [2022-03-19 01:47:48,608 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr.blast.01.i.cil-2.cqvasr [2022-03-19 01:47:48,611 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-19 01:47:48,611 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-19 01:47:48,656 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-19 01:47:48,662 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 [2022-03-19 01:47:48,662 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-03-19 01:47:48,682 INFO L276 IsEmpty]: Start isEmpty. Operand has 155 states, 147 states have (on average 1.6870748299319729) internal successors, (248), 148 states have internal predecessors, (248), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-03-19 01:47:48,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-03-19 01:47:48,688 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 01:47:48,689 INFO L500 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-19 01:47:48,689 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 01:47:48,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 01:47:48,693 INFO L85 PathProgramCache]: Analyzing trace with hash -546615762, now seen corresponding path program 1 times [2022-03-19 01:47:48,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 01:47:48,699 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403425299] [2022-03-19 01:47:48,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 01:47:48,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 01:47:48,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:47:49,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 01:47:49,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:47:49,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-19 01:47:49,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 01:47:49,113 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403425299] [2022-03-19 01:47:49,113 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1403425299] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 01:47:49,113 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 01:47:49,113 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-19 01:47:49,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227986978] [2022-03-19 01:47:49,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 01:47:49,117 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-19 01:47:49,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-19 01:47:49,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-19 01:47:49,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-19 01:47:49,136 INFO L87 Difference]: Start difference. First operand has 155 states, 147 states have (on average 1.6870748299319729) internal successors, (248), 148 states have internal predecessors, (248), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:47:51,172 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-19 01:47:51,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 01:47:51,640 INFO L93 Difference]: Finished difference Result 328 states and 543 transitions. [2022-03-19 01:47:51,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-19 01:47:51,642 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 52 [2022-03-19 01:47:51,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 01:47:51,649 INFO L225 Difference]: With dead ends: 328 [2022-03-19 01:47:51,649 INFO L226 Difference]: Without dead ends: 167 [2022-03-19 01:47:51,651 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-19 01:47:51,653 INFO L912 BasicCegarLoop]: 221 mSDtfsCounter, 33 mSDsluCounter, 362 mSDsCounter, 0 mSdLazyCounter, 403 mSolverCounterSat, 11 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 583 SdHoareTripleChecker+Invalid, 415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 403 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-19 01:47:51,654 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [33 Valid, 583 Invalid, 415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 403 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-19 01:47:51,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2022-03-19 01:47:51,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 150. [2022-03-19 01:47:51,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 145 states have (on average 1.5379310344827586) internal successors, (223), 145 states have internal predecessors, (223), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:47:51,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 227 transitions. [2022-03-19 01:47:51,690 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 227 transitions. Word has length 52 [2022-03-19 01:47:51,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 01:47:51,690 INFO L478 AbstractCegarLoop]: Abstraction has 150 states and 227 transitions. [2022-03-19 01:47:51,691 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:47:51,691 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 227 transitions. [2022-03-19 01:47:51,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-19 01:47:51,692 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 01:47:51,693 INFO L500 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-19 01:47:51,693 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-19 01:47:51,693 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 01:47:51,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 01:47:51,696 INFO L85 PathProgramCache]: Analyzing trace with hash -1491483337, now seen corresponding path program 1 times [2022-03-19 01:47:51,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 01:47:51,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510906472] [2022-03-19 01:47:51,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 01:47:51,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 01:47:51,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:47:51,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 01:47:51,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:47:51,876 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-19 01:47:51,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 01:47:51,877 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510906472] [2022-03-19 01:47:51,877 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510906472] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 01:47:51,877 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 01:47:51,877 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-19 01:47:51,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560493914] [2022-03-19 01:47:51,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 01:47:51,878 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-19 01:47:51,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-19 01:47:51,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-19 01:47:51,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-19 01:47:51,879 INFO L87 Difference]: Start difference. First operand 150 states and 227 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:47:53,896 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-19 01:47:54,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 01:47:54,342 INFO L93 Difference]: Finished difference Result 291 states and 437 transitions. [2022-03-19 01:47:54,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-19 01:47:54,343 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 65 [2022-03-19 01:47:54,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 01:47:54,344 INFO L225 Difference]: With dead ends: 291 [2022-03-19 01:47:54,344 INFO L226 Difference]: Without dead ends: 167 [2022-03-19 01:47:54,345 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-19 01:47:54,346 INFO L912 BasicCegarLoop]: 180 mSDtfsCounter, 24 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 353 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 462 SdHoareTripleChecker+Invalid, 364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 353 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-19 01:47:54,346 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [24 Valid, 462 Invalid, 364 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 353 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-19 01:47:54,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2022-03-19 01:47:54,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 150. [2022-03-19 01:47:54,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 145 states have (on average 1.5310344827586206) internal successors, (222), 145 states have internal predecessors, (222), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:47:54,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 226 transitions. [2022-03-19 01:47:54,354 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 226 transitions. Word has length 65 [2022-03-19 01:47:54,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 01:47:54,354 INFO L478 AbstractCegarLoop]: Abstraction has 150 states and 226 transitions. [2022-03-19 01:47:54,354 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:47:54,354 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 226 transitions. [2022-03-19 01:47:54,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-03-19 01:47:54,356 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 01:47:54,356 INFO L500 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-19 01:47:54,356 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-19 01:47:54,356 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 01:47:54,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 01:47:54,356 INFO L85 PathProgramCache]: Analyzing trace with hash 1614670248, now seen corresponding path program 1 times [2022-03-19 01:47:54,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 01:47:54,357 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802563389] [2022-03-19 01:47:54,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 01:47:54,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 01:47:54,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:47:54,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 01:47:54,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:47:54,466 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-19 01:47:54,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 01:47:54,467 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802563389] [2022-03-19 01:47:54,467 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1802563389] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 01:47:54,467 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 01:47:54,467 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-19 01:47:54,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529968822] [2022-03-19 01:47:54,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 01:47:54,468 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-19 01:47:54,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-19 01:47:54,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-19 01:47:54,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-19 01:47:54,468 INFO L87 Difference]: Start difference. First operand 150 states and 226 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:47:56,478 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-19 01:47:56,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 01:47:56,825 INFO L93 Difference]: Finished difference Result 289 states and 434 transitions. [2022-03-19 01:47:56,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-19 01:47:56,826 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 66 [2022-03-19 01:47:56,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 01:47:56,827 INFO L225 Difference]: With dead ends: 289 [2022-03-19 01:47:56,827 INFO L226 Difference]: Without dead ends: 165 [2022-03-19 01:47:56,827 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-19 01:47:56,828 INFO L912 BasicCegarLoop]: 182 mSDtfsCounter, 22 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 349 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 466 SdHoareTripleChecker+Invalid, 359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 349 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-03-19 01:47:56,829 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [22 Valid, 466 Invalid, 359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 349 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-03-19 01:47:56,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2022-03-19 01:47:56,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 150. [2022-03-19 01:47:56,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 145 states have (on average 1.5241379310344827) internal successors, (221), 145 states have internal predecessors, (221), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:47:56,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 225 transitions. [2022-03-19 01:47:56,835 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 225 transitions. Word has length 66 [2022-03-19 01:47:56,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 01:47:56,835 INFO L478 AbstractCegarLoop]: Abstraction has 150 states and 225 transitions. [2022-03-19 01:47:56,836 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:47:56,836 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 225 transitions. [2022-03-19 01:47:56,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-03-19 01:47:56,837 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 01:47:56,837 INFO L500 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-19 01:47:56,837 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-19 01:47:56,837 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 01:47:56,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 01:47:56,838 INFO L85 PathProgramCache]: Analyzing trace with hash 2039809993, now seen corresponding path program 1 times [2022-03-19 01:47:56,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 01:47:56,838 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069826239] [2022-03-19 01:47:56,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 01:47:56,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 01:47:56,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:47:56,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 01:47:56,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:47:56,952 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-19 01:47:56,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 01:47:56,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069826239] [2022-03-19 01:47:56,953 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2069826239] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 01:47:56,953 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 01:47:56,953 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-19 01:47:56,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043740797] [2022-03-19 01:47:56,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 01:47:56,953 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-19 01:47:56,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-19 01:47:56,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-19 01:47:56,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-19 01:47:56,954 INFO L87 Difference]: Start difference. First operand 150 states and 225 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:47:58,964 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-19 01:47:59,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 01:47:59,305 INFO L93 Difference]: Finished difference Result 288 states and 432 transitions. [2022-03-19 01:47:59,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-19 01:47:59,305 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 66 [2022-03-19 01:47:59,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 01:47:59,306 INFO L225 Difference]: With dead ends: 288 [2022-03-19 01:47:59,306 INFO L226 Difference]: Without dead ends: 164 [2022-03-19 01:47:59,307 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-19 01:47:59,307 INFO L912 BasicCegarLoop]: 183 mSDtfsCounter, 20 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 347 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 468 SdHoareTripleChecker+Invalid, 357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 347 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-03-19 01:47:59,308 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 468 Invalid, 357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 347 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-03-19 01:47:59,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2022-03-19 01:47:59,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 150. [2022-03-19 01:47:59,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 145 states have (on average 1.5172413793103448) internal successors, (220), 145 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) [2022-03-19 01:47:59,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 224 transitions. [2022-03-19 01:47:59,314 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 224 transitions. Word has length 66 [2022-03-19 01:47:59,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 01:47:59,314 INFO L478 AbstractCegarLoop]: Abstraction has 150 states and 224 transitions. [2022-03-19 01:47:59,315 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:47:59,315 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 224 transitions. [2022-03-19 01:47:59,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-03-19 01:47:59,316 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 01:47:59,316 INFO L500 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-19 01:47:59,316 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-19 01:47:59,316 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 01:47:59,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 01:47:59,317 INFO L85 PathProgramCache]: Analyzing trace with hash -100885645, now seen corresponding path program 1 times [2022-03-19 01:47:59,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 01:47:59,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435304909] [2022-03-19 01:47:59,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 01:47:59,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 01:47:59,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:47:59,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 01:47:59,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:47:59,434 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-19 01:47:59,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 01:47:59,434 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435304909] [2022-03-19 01:47:59,435 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435304909] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 01:47:59,435 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 01:47:59,435 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-19 01:47:59,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353458581] [2022-03-19 01:47:59,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 01:47:59,435 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-19 01:47:59,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-19 01:47:59,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-19 01:47:59,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-19 01:47:59,436 INFO L87 Difference]: Start difference. First operand 150 states and 224 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:48:01,444 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-19 01:48:01,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 01:48:01,780 INFO L93 Difference]: Finished difference Result 287 states and 430 transitions. [2022-03-19 01:48:01,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-19 01:48:01,782 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 67 [2022-03-19 01:48:01,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 01:48:01,783 INFO L225 Difference]: With dead ends: 287 [2022-03-19 01:48:01,783 INFO L226 Difference]: Without dead ends: 163 [2022-03-19 01:48:01,783 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-19 01:48:01,784 INFO L912 BasicCegarLoop]: 184 mSDtfsCounter, 26 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 345 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 470 SdHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 345 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-03-19 01:48:01,784 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [26 Valid, 470 Invalid, 354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 345 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-03-19 01:48:01,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2022-03-19 01:48:01,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 150. [2022-03-19 01:48:01,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 145 states have (on average 1.5103448275862068) internal successors, (219), 145 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) [2022-03-19 01:48:01,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 223 transitions. [2022-03-19 01:48:01,794 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 223 transitions. Word has length 67 [2022-03-19 01:48:01,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 01:48:01,794 INFO L478 AbstractCegarLoop]: Abstraction has 150 states and 223 transitions. [2022-03-19 01:48:01,795 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:48:01,795 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 223 transitions. [2022-03-19 01:48:01,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-03-19 01:48:01,796 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 01:48:01,796 INFO L500 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-19 01:48:01,796 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-19 01:48:01,796 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 01:48:01,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 01:48:01,797 INFO L85 PathProgramCache]: Analyzing trace with hash 791764819, now seen corresponding path program 1 times [2022-03-19 01:48:01,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 01:48:01,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061522290] [2022-03-19 01:48:01,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 01:48:01,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 01:48:01,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:48:01,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 01:48:01,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:48:01,931 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-19 01:48:01,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 01:48:01,931 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061522290] [2022-03-19 01:48:01,931 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1061522290] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 01:48:01,931 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 01:48:01,931 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-19 01:48:01,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600561435] [2022-03-19 01:48:01,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 01:48:01,933 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-19 01:48:01,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-19 01:48:01,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-19 01:48:01,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-19 01:48:01,936 INFO L87 Difference]: Start difference. First operand 150 states and 223 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:48:03,944 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-19 01:48:04,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 01:48:04,380 INFO L93 Difference]: Finished difference Result 390 states and 591 transitions. [2022-03-19 01:48:04,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-19 01:48:04,380 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 67 [2022-03-19 01:48:04,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 01:48:04,382 INFO L225 Difference]: With dead ends: 390 [2022-03-19 01:48:04,382 INFO L226 Difference]: Without dead ends: 266 [2022-03-19 01:48:04,382 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-19 01:48:04,383 INFO L912 BasicCegarLoop]: 110 mSDtfsCounter, 144 mSDsluCounter, 211 mSDsCounter, 0 mSdLazyCounter, 466 mSolverCounterSat, 64 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 466 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-19 01:48:04,383 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [144 Valid, 321 Invalid, 531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 466 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-19 01:48:04,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2022-03-19 01:48:04,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 162. [2022-03-19 01:48:04,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 157 states have (on average 1.5031847133757963) internal successors, (236), 157 states have internal predecessors, (236), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:48:04,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 240 transitions. [2022-03-19 01:48:04,389 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 240 transitions. Word has length 67 [2022-03-19 01:48:04,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 01:48:04,389 INFO L478 AbstractCegarLoop]: Abstraction has 162 states and 240 transitions. [2022-03-19 01:48:04,389 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:48:04,389 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 240 transitions. [2022-03-19 01:48:04,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-03-19 01:48:04,390 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 01:48:04,390 INFO L500 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-19 01:48:04,390 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-03-19 01:48:04,390 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 01:48:04,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 01:48:04,391 INFO L85 PathProgramCache]: Analyzing trace with hash 253329604, now seen corresponding path program 1 times [2022-03-19 01:48:04,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 01:48:04,391 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955831568] [2022-03-19 01:48:04,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 01:48:04,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 01:48:04,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:48:04,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 01:48:04,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:48:04,518 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-19 01:48:04,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 01:48:04,519 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955831568] [2022-03-19 01:48:04,519 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955831568] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 01:48:04,519 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 01:48:04,519 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-19 01:48:04,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019350292] [2022-03-19 01:48:04,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 01:48:04,520 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-19 01:48:04,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-19 01:48:04,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-19 01:48:04,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-19 01:48:04,520 INFO L87 Difference]: Start difference. First operand 162 states and 240 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:48:07,329 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-19 01:48:09,355 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-19 01:48:11,382 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-19 01:48:11,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 01:48:11,821 INFO L93 Difference]: Finished difference Result 402 states and 607 transitions. [2022-03-19 01:48:11,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-19 01:48:11,821 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 68 [2022-03-19 01:48:11,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 01:48:11,822 INFO L225 Difference]: With dead ends: 402 [2022-03-19 01:48:11,822 INFO L226 Difference]: Without dead ends: 266 [2022-03-19 01:48:11,823 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-19 01:48:11,823 INFO L912 BasicCegarLoop]: 110 mSDtfsCounter, 142 mSDsluCounter, 211 mSDsCounter, 0 mSdLazyCounter, 467 mSolverCounterSat, 64 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 534 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 467 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2022-03-19 01:48:11,823 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [142 Valid, 321 Invalid, 534 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 467 Invalid, 3 Unknown, 0 Unchecked, 7.3s Time] [2022-03-19 01:48:11,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2022-03-19 01:48:11,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 163. [2022-03-19 01:48:11,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 158 states have (on average 1.4936708860759493) internal successors, (236), 158 states have internal predecessors, (236), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:48:11,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 240 transitions. [2022-03-19 01:48:11,833 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 240 transitions. Word has length 68 [2022-03-19 01:48:11,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 01:48:11,833 INFO L478 AbstractCegarLoop]: Abstraction has 163 states and 240 transitions. [2022-03-19 01:48:11,833 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:48:11,833 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 240 transitions. [2022-03-19 01:48:11,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-03-19 01:48:11,834 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 01:48:11,834 INFO L500 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-19 01:48:11,834 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-03-19 01:48:11,834 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 01:48:11,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 01:48:11,835 INFO L85 PathProgramCache]: Analyzing trace with hash -220453393, now seen corresponding path program 1 times [2022-03-19 01:48:11,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 01:48:11,835 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360553582] [2022-03-19 01:48:11,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 01:48:11,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 01:48:11,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:48:11,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 01:48:11,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:48:11,936 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-19 01:48:11,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 01:48:11,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360553582] [2022-03-19 01:48:11,936 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360553582] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 01:48:11,936 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 01:48:11,936 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-19 01:48:11,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918501002] [2022-03-19 01:48:11,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 01:48:11,937 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-19 01:48:11,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-19 01:48:11,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-19 01:48:11,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-19 01:48:11,938 INFO L87 Difference]: Start difference. First operand 163 states and 240 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:48:13,948 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-19 01:48:14,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 01:48:14,277 INFO L93 Difference]: Finished difference Result 313 states and 465 transitions. [2022-03-19 01:48:14,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-19 01:48:14,277 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 69 [2022-03-19 01:48:14,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 01:48:14,278 INFO L225 Difference]: With dead ends: 313 [2022-03-19 01:48:14,278 INFO L226 Difference]: Without dead ends: 176 [2022-03-19 01:48:14,279 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-19 01:48:14,279 INFO L912 BasicCegarLoop]: 184 mSDtfsCounter, 20 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 345 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 470 SdHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 345 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-03-19 01:48:14,280 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 470 Invalid, 354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 345 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-03-19 01:48:14,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2022-03-19 01:48:14,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 163. [2022-03-19 01:48:14,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 158 states have (on average 1.4873417721518987) internal successors, (235), 158 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) [2022-03-19 01:48:14,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 239 transitions. [2022-03-19 01:48:14,284 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 239 transitions. Word has length 69 [2022-03-19 01:48:14,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 01:48:14,285 INFO L478 AbstractCegarLoop]: Abstraction has 163 states and 239 transitions. [2022-03-19 01:48:14,286 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:48:14,286 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 239 transitions. [2022-03-19 01:48:14,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-03-19 01:48:14,286 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 01:48:14,287 INFO L500 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-19 01:48:14,287 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-03-19 01:48:14,287 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 01:48:14,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 01:48:14,287 INFO L85 PathProgramCache]: Analyzing trace with hash -1932814999, now seen corresponding path program 1 times [2022-03-19 01:48:14,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 01:48:14,288 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900900058] [2022-03-19 01:48:14,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 01:48:14,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 01:48:14,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:48:14,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 01:48:14,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:48:14,399 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-19 01:48:14,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 01:48:14,399 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900900058] [2022-03-19 01:48:14,399 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [900900058] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 01:48:14,400 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 01:48:14,400 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-19 01:48:14,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668247747] [2022-03-19 01:48:14,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 01:48:14,400 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-19 01:48:14,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-19 01:48:14,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-19 01:48:14,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-19 01:48:14,401 INFO L87 Difference]: Start difference. First operand 163 states and 239 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:48:16,409 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-19 01:48:16,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 01:48:16,778 INFO L93 Difference]: Finished difference Result 343 states and 511 transitions. [2022-03-19 01:48:16,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-19 01:48:16,779 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 69 [2022-03-19 01:48:16,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 01:48:16,780 INFO L225 Difference]: With dead ends: 343 [2022-03-19 01:48:16,780 INFO L226 Difference]: Without dead ends: 206 [2022-03-19 01:48:16,780 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-19 01:48:16,781 INFO L912 BasicCegarLoop]: 201 mSDtfsCounter, 32 mSDsluCounter, 309 mSDsCounter, 0 mSdLazyCounter, 403 mSolverCounterSat, 11 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 510 SdHoareTripleChecker+Invalid, 415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 403 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-19 01:48:16,781 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [32 Valid, 510 Invalid, 415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 403 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-19 01:48:16,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2022-03-19 01:48:16,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 185. [2022-03-19 01:48:16,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 180 states have (on average 1.5055555555555555) internal successors, (271), 180 states have internal predecessors, (271), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:48:16,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 275 transitions. [2022-03-19 01:48:16,785 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 275 transitions. Word has length 69 [2022-03-19 01:48:16,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 01:48:16,786 INFO L478 AbstractCegarLoop]: Abstraction has 185 states and 275 transitions. [2022-03-19 01:48:16,786 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:48:16,786 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 275 transitions. [2022-03-19 01:48:16,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-03-19 01:48:16,786 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 01:48:16,786 INFO L500 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, 1] [2022-03-19 01:48:16,787 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-03-19 01:48:16,787 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 01:48:16,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 01:48:16,788 INFO L85 PathProgramCache]: Analyzing trace with hash 1550522497, now seen corresponding path program 1 times [2022-03-19 01:48:16,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 01:48:16,788 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012561427] [2022-03-19 01:48:16,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 01:48:16,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 01:48:16,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:48:16,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 01:48:16,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:48:16,869 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-19 01:48:16,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 01:48:16,869 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012561427] [2022-03-19 01:48:16,869 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1012561427] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 01:48:16,869 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 01:48:16,869 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-19 01:48:16,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971952115] [2022-03-19 01:48:16,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 01:48:16,870 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-19 01:48:16,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-19 01:48:16,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-19 01:48:16,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-19 01:48:16,871 INFO L87 Difference]: Start difference. First operand 185 states and 275 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:48:18,887 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-19 01:48:19,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 01:48:19,199 INFO L93 Difference]: Finished difference Result 347 states and 523 transitions. [2022-03-19 01:48:19,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-19 01:48:19,199 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 70 [2022-03-19 01:48:19,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 01:48:19,200 INFO L225 Difference]: With dead ends: 347 [2022-03-19 01:48:19,200 INFO L226 Difference]: Without dead ends: 188 [2022-03-19 01:48:19,201 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-19 01:48:19,201 INFO L912 BasicCegarLoop]: 191 mSDtfsCounter, 11 mSDsluCounter, 293 mSDsCounter, 0 mSdLazyCounter, 331 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 331 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-03-19 01:48:19,201 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 484 Invalid, 336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 331 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-03-19 01:48:19,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2022-03-19 01:48:19,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 185. [2022-03-19 01:48:19,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 180 states have (on average 1.5) internal successors, (270), 180 states have internal predecessors, (270), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:48:19,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 274 transitions. [2022-03-19 01:48:19,205 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 274 transitions. Word has length 70 [2022-03-19 01:48:19,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 01:48:19,206 INFO L478 AbstractCegarLoop]: Abstraction has 185 states and 274 transitions. [2022-03-19 01:48:19,206 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:48:19,206 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 274 transitions. [2022-03-19 01:48:19,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-03-19 01:48:19,206 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 01:48:19,207 INFO L500 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] [2022-03-19 01:48:19,207 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-03-19 01:48:19,207 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 01:48:19,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 01:48:19,207 INFO L85 PathProgramCache]: Analyzing trace with hash 1187141084, now seen corresponding path program 1 times [2022-03-19 01:48:19,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 01:48:19,207 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355029140] [2022-03-19 01:48:19,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 01:48:19,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 01:48:19,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:48:19,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 01:48:19,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:48:19,321 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-19 01:48:19,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 01:48:19,321 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355029140] [2022-03-19 01:48:19,322 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1355029140] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 01:48:19,322 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 01:48:19,322 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-19 01:48:19,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869411032] [2022-03-19 01:48:19,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 01:48:19,322 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-19 01:48:19,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-19 01:48:19,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-19 01:48:19,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-19 01:48:19,323 INFO L87 Difference]: Start difference. First operand 185 states and 274 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) [2022-03-19 01:48:21,331 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-19 01:48:21,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 01:48:21,711 INFO L93 Difference]: Finished difference Result 365 states and 545 transitions. [2022-03-19 01:48:21,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-19 01:48:21,711 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 82 [2022-03-19 01:48:21,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 01:48:21,712 INFO L225 Difference]: With dead ends: 365 [2022-03-19 01:48:21,712 INFO L226 Difference]: Without dead ends: 206 [2022-03-19 01:48:21,713 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-19 01:48:21,713 INFO L912 BasicCegarLoop]: 188 mSDtfsCounter, 37 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 11 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 482 SdHoareTripleChecker+Invalid, 398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 386 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-19 01:48:21,713 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [37 Valid, 482 Invalid, 398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 386 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-19 01:48:21,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2022-03-19 01:48:21,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 185. [2022-03-19 01:48:21,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 180 states have (on average 1.4944444444444445) internal successors, (269), 180 states have internal predecessors, (269), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:48:21,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 273 transitions. [2022-03-19 01:48:21,718 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 273 transitions. Word has length 82 [2022-03-19 01:48:21,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 01:48:21,718 INFO L478 AbstractCegarLoop]: Abstraction has 185 states and 273 transitions. [2022-03-19 01:48:21,718 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) [2022-03-19 01:48:21,718 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 273 transitions. [2022-03-19 01:48:21,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-03-19 01:48:21,718 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 01:48:21,719 INFO L500 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] [2022-03-19 01:48:21,719 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-03-19 01:48:21,719 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 01:48:21,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 01:48:21,719 INFO L85 PathProgramCache]: Analyzing trace with hash -1247318621, now seen corresponding path program 1 times [2022-03-19 01:48:21,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 01:48:21,719 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818015317] [2022-03-19 01:48:21,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 01:48:21,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 01:48:21,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:48:21,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 01:48:21,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:48:21,820 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-19 01:48:21,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 01:48:21,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818015317] [2022-03-19 01:48:21,820 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818015317] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 01:48:21,820 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 01:48:21,820 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-19 01:48:21,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314945678] [2022-03-19 01:48:21,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 01:48:21,821 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-19 01:48:21,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-19 01:48:21,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-19 01:48:21,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-19 01:48:21,822 INFO L87 Difference]: Start difference. First operand 185 states and 273 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) [2022-03-19 01:48:23,833 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-19 01:48:24,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 01:48:24,297 INFO L93 Difference]: Finished difference Result 447 states and 674 transitions. [2022-03-19 01:48:24,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-19 01:48:24,297 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 [2022-03-19 01:48:24,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 01:48:24,298 INFO L225 Difference]: With dead ends: 447 [2022-03-19 01:48:24,298 INFO L226 Difference]: Without dead ends: 288 [2022-03-19 01:48:24,299 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-19 01:48:24,299 INFO L912 BasicCegarLoop]: 110 mSDtfsCounter, 138 mSDsluCounter, 211 mSDsCounter, 0 mSdLazyCounter, 466 mSolverCounterSat, 64 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 466 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-19 01:48:24,299 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [138 Valid, 321 Invalid, 531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 466 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-19 01:48:24,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2022-03-19 01:48:24,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 189. [2022-03-19 01:48:24,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 184 states have (on average 1.4945652173913044) internal successors, (275), 184 states have internal predecessors, (275), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:48:24,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 279 transitions. [2022-03-19 01:48:24,304 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 279 transitions. Word has length 83 [2022-03-19 01:48:24,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 01:48:24,304 INFO L478 AbstractCegarLoop]: Abstraction has 189 states and 279 transitions. [2022-03-19 01:48:24,304 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) [2022-03-19 01:48:24,305 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 279 transitions. [2022-03-19 01:48:24,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-03-19 01:48:24,305 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 01:48:24,305 INFO L500 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] [2022-03-19 01:48:24,305 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-03-19 01:48:24,305 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 01:48:24,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 01:48:24,306 INFO L85 PathProgramCache]: Analyzing trace with hash -822178876, now seen corresponding path program 1 times [2022-03-19 01:48:24,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 01:48:24,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012350830] [2022-03-19 01:48:24,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 01:48:24,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 01:48:24,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:48:24,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 01:48:24,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:48:24,427 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-19 01:48:24,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 01:48:24,428 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012350830] [2022-03-19 01:48:24,428 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012350830] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 01:48:24,428 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 01:48:24,428 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-19 01:48:24,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900649637] [2022-03-19 01:48:24,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 01:48:24,428 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-19 01:48:24,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-19 01:48:24,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-19 01:48:24,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-19 01:48:24,429 INFO L87 Difference]: Start difference. First operand 189 states and 279 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) [2022-03-19 01:48:26,437 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-19 01:48:26,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 01:48:26,787 INFO L93 Difference]: Finished difference Result 370 states and 552 transitions. [2022-03-19 01:48:26,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-19 01:48:26,787 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 [2022-03-19 01:48:26,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 01:48:26,788 INFO L225 Difference]: With dead ends: 370 [2022-03-19 01:48:26,788 INFO L226 Difference]: Without dead ends: 207 [2022-03-19 01:48:26,789 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-19 01:48:26,789 INFO L912 BasicCegarLoop]: 191 mSDtfsCounter, 33 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 380 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 488 SdHoareTripleChecker+Invalid, 391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 380 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-03-19 01:48:26,789 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [33 Valid, 488 Invalid, 391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 380 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-03-19 01:48:26,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2022-03-19 01:48:26,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 189. [2022-03-19 01:48:26,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 184 states have (on average 1.4891304347826086) internal successors, (274), 184 states have internal predecessors, (274), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:48:26,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 278 transitions. [2022-03-19 01:48:26,794 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 278 transitions. Word has length 83 [2022-03-19 01:48:26,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 01:48:26,795 INFO L478 AbstractCegarLoop]: Abstraction has 189 states and 278 transitions. [2022-03-19 01:48:26,795 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) [2022-03-19 01:48:26,795 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 278 transitions. [2022-03-19 01:48:26,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-03-19 01:48:26,795 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 01:48:26,795 INFO L500 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] [2022-03-19 01:48:26,795 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-03-19 01:48:26,796 INFO L403 AbstractCegarLoop]: === Iteration 14 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 01:48:26,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 01:48:26,796 INFO L85 PathProgramCache]: Analyzing trace with hash 1371772632, now seen corresponding path program 1 times [2022-03-19 01:48:26,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 01:48:26,796 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502574804] [2022-03-19 01:48:26,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 01:48:26,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 01:48:26,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:48:26,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 01:48:26,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:48:26,905 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-19 01:48:26,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 01:48:26,906 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502574804] [2022-03-19 01:48:26,906 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502574804] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 01:48:26,906 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 01:48:26,906 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-19 01:48:26,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513847072] [2022-03-19 01:48:26,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 01:48:26,906 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-19 01:48:26,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-19 01:48:26,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-19 01:48:26,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-19 01:48:26,907 INFO L87 Difference]: Start difference. First operand 189 states and 278 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) [2022-03-19 01:48:28,915 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-19 01:48:29,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 01:48:29,277 INFO L93 Difference]: Finished difference Result 381 states and 567 transitions. [2022-03-19 01:48:29,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-19 01:48:29,277 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 [2022-03-19 01:48:29,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 01:48:29,278 INFO L225 Difference]: With dead ends: 381 [2022-03-19 01:48:29,278 INFO L226 Difference]: Without dead ends: 218 [2022-03-19 01:48:29,279 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-19 01:48:29,279 INFO L912 BasicCegarLoop]: 221 mSDtfsCounter, 20 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 549 SdHoareTripleChecker+Invalid, 397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 386 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-19 01:48:29,280 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 549 Invalid, 397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 386 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-19 01:48:29,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2022-03-19 01:48:29,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 205. [2022-03-19 01:48:29,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 200 states have (on average 1.49) internal successors, (298), 200 states have internal predecessors, (298), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:48:29,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 302 transitions. [2022-03-19 01:48:29,284 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 302 transitions. Word has length 84 [2022-03-19 01:48:29,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 01:48:29,284 INFO L478 AbstractCegarLoop]: Abstraction has 205 states and 302 transitions. [2022-03-19 01:48:29,284 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) [2022-03-19 01:48:29,284 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 302 transitions. [2022-03-19 01:48:29,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-03-19 01:48:29,285 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 01:48:29,285 INFO L500 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] [2022-03-19 01:48:29,285 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-03-19 01:48:29,285 INFO L403 AbstractCegarLoop]: === Iteration 15 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 01:48:29,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 01:48:29,286 INFO L85 PathProgramCache]: Analyzing trace with hash -1971175460, now seen corresponding path program 1 times [2022-03-19 01:48:29,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 01:48:29,286 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185483441] [2022-03-19 01:48:29,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 01:48:29,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 01:48:29,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:48:29,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 01:48:29,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:48:29,407 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-19 01:48:29,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 01:48:29,407 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185483441] [2022-03-19 01:48:29,408 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1185483441] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 01:48:29,408 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 01:48:29,408 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-19 01:48:29,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938442091] [2022-03-19 01:48:29,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 01:48:29,408 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-19 01:48:29,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-19 01:48:29,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-19 01:48:29,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-03-19 01:48:29,409 INFO L87 Difference]: Start difference. First operand 205 states and 302 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) [2022-03-19 01:48:31,417 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-19 01:48:31,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 01:48:31,782 INFO L93 Difference]: Finished difference Result 393 states and 586 transitions. [2022-03-19 01:48:31,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-19 01:48:31,783 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 [2022-03-19 01:48:31,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 01:48:31,787 INFO L225 Difference]: With dead ends: 393 [2022-03-19 01:48:31,787 INFO L226 Difference]: Without dead ends: 214 [2022-03-19 01:48:31,787 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-03-19 01:48:31,788 INFO L912 BasicCegarLoop]: 196 mSDtfsCounter, 2 mSDsluCounter, 409 mSDsCounter, 0 mSdLazyCounter, 424 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 605 SdHoareTripleChecker+Invalid, 429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 424 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-19 01:48:31,788 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 605 Invalid, 429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 424 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-19 01:48:31,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2022-03-19 01:48:31,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 214. [2022-03-19 01:48:31,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 209 states have (on average 1.4784688995215312) internal successors, (309), 209 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) [2022-03-19 01:48:31,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 313 transitions. [2022-03-19 01:48:31,793 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 313 transitions. Word has length 85 [2022-03-19 01:48:31,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 01:48:31,793 INFO L478 AbstractCegarLoop]: Abstraction has 214 states and 313 transitions. [2022-03-19 01:48:31,793 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) [2022-03-19 01:48:31,793 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 313 transitions. [2022-03-19 01:48:31,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-03-19 01:48:31,794 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 01:48:31,794 INFO L500 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] [2022-03-19 01:48:31,794 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-03-19 01:48:31,794 INFO L403 AbstractCegarLoop]: === Iteration 16 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 01:48:31,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 01:48:31,794 INFO L85 PathProgramCache]: Analyzing trace with hash -918773216, now seen corresponding path program 1 times [2022-03-19 01:48:31,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 01:48:31,794 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292005733] [2022-03-19 01:48:31,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 01:48:31,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 01:48:31,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:48:31,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 01:48:31,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:48:31,880 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-19 01:48:31,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 01:48:31,880 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292005733] [2022-03-19 01:48:31,880 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292005733] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 01:48:31,880 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 01:48:31,880 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-19 01:48:31,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624639719] [2022-03-19 01:48:31,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 01:48:31,881 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-19 01:48:31,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-19 01:48:31,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-19 01:48:31,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-19 01:48:31,881 INFO L87 Difference]: Start difference. First operand 214 states and 313 transitions. Second operand has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:48:33,899 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-19 01:48:34,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 01:48:34,345 INFO L93 Difference]: Finished difference Result 510 states and 757 transitions. [2022-03-19 01:48:34,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-19 01:48:34,345 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 [2022-03-19 01:48:34,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 01:48:34,347 INFO L225 Difference]: With dead ends: 510 [2022-03-19 01:48:34,347 INFO L226 Difference]: Without dead ends: 322 [2022-03-19 01:48:34,347 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-19 01:48:34,348 INFO L912 BasicCegarLoop]: 110 mSDtfsCounter, 140 mSDsluCounter, 211 mSDsCounter, 0 mSdLazyCounter, 466 mSolverCounterSat, 64 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 466 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-19 01:48:34,348 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [140 Valid, 321 Invalid, 531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 466 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-19 01:48:34,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2022-03-19 01:48:34,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 214. [2022-03-19 01:48:34,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 209 states have (on average 1.4641148325358853) internal successors, (306), 209 states have internal predecessors, (306), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:48:34,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 310 transitions. [2022-03-19 01:48:34,353 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 310 transitions. Word has length 87 [2022-03-19 01:48:34,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 01:48:34,353 INFO L478 AbstractCegarLoop]: Abstraction has 214 states and 310 transitions. [2022-03-19 01:48:34,353 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:48:34,353 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 310 transitions. [2022-03-19 01:48:34,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-03-19 01:48:34,354 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 01:48:34,354 INFO L500 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] [2022-03-19 01:48:34,354 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-03-19 01:48:34,354 INFO L403 AbstractCegarLoop]: === Iteration 17 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 01:48:34,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 01:48:34,354 INFO L85 PathProgramCache]: Analyzing trace with hash -1339313096, now seen corresponding path program 1 times [2022-03-19 01:48:34,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 01:48:34,354 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583343054] [2022-03-19 01:48:34,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 01:48:34,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 01:48:34,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:48:34,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 01:48:34,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:48:34,453 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-19 01:48:34,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 01:48:34,454 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583343054] [2022-03-19 01:48:34,454 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [583343054] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 01:48:34,454 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 01:48:34,454 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-19 01:48:34,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171393142] [2022-03-19 01:48:34,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 01:48:34,456 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-19 01:48:34,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-19 01:48:34,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-19 01:48:34,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-19 01:48:34,456 INFO L87 Difference]: Start difference. First operand 214 states and 310 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) [2022-03-19 01:48:36,465 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-19 01:48:36,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 01:48:36,869 INFO L93 Difference]: Finished difference Result 500 states and 738 transitions. [2022-03-19 01:48:36,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-19 01:48:36,870 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 [2022-03-19 01:48:36,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 01:48:36,871 INFO L225 Difference]: With dead ends: 500 [2022-03-19 01:48:36,871 INFO L226 Difference]: Without dead ends: 312 [2022-03-19 01:48:36,872 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-19 01:48:36,872 INFO L912 BasicCegarLoop]: 111 mSDtfsCounter, 137 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 464 mSolverCounterSat, 63 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 464 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-19 01:48:36,872 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [137 Valid, 323 Invalid, 528 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 464 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-19 01:48:36,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2022-03-19 01:48:36,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 214. [2022-03-19 01:48:36,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 209 states have (on average 1.4497607655502391) internal successors, (303), 209 states have internal predecessors, (303), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:48:36,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 307 transitions. [2022-03-19 01:48:36,877 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 307 transitions. Word has length 88 [2022-03-19 01:48:36,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 01:48:36,877 INFO L478 AbstractCegarLoop]: Abstraction has 214 states and 307 transitions. [2022-03-19 01:48:36,877 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) [2022-03-19 01:48:36,877 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 307 transitions. [2022-03-19 01:48:36,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-03-19 01:48:36,878 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 01:48:36,878 INFO L500 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] [2022-03-19 01:48:36,878 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-03-19 01:48:36,878 INFO L403 AbstractCegarLoop]: === Iteration 18 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 01:48:36,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 01:48:36,878 INFO L85 PathProgramCache]: Analyzing trace with hash -1754861495, now seen corresponding path program 1 times [2022-03-19 01:48:36,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 01:48:36,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126787532] [2022-03-19 01:48:36,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 01:48:36,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 01:48:36,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:48:36,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 01:48:36,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:48:36,995 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-03-19 01:48:36,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 01:48:36,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126787532] [2022-03-19 01:48:36,996 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2126787532] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 01:48:36,996 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 01:48:36,996 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-19 01:48:36,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347810885] [2022-03-19 01:48:36,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 01:48:36,996 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-19 01:48:36,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-19 01:48:36,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-19 01:48:36,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-19 01:48:36,997 INFO L87 Difference]: Start difference. First operand 214 states and 307 transitions. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 4 states have internal predecessors, (77), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:48:39,005 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-19 01:48:39,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 01:48:39,444 INFO L93 Difference]: Finished difference Result 517 states and 756 transitions. [2022-03-19 01:48:39,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-19 01:48:39,444 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 4 states have internal predecessors, (77), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 91 [2022-03-19 01:48:39,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 01:48:39,445 INFO L225 Difference]: With dead ends: 517 [2022-03-19 01:48:39,445 INFO L226 Difference]: Without dead ends: 329 [2022-03-19 01:48:39,446 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-19 01:48:39,446 INFO L912 BasicCegarLoop]: 111 mSDtfsCounter, 107 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 465 mSolverCounterSat, 61 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 465 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-19 01:48:39,446 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [107 Valid, 324 Invalid, 527 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 465 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-19 01:48:39,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2022-03-19 01:48:39,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 257. [2022-03-19 01:48:39,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 252 states have (on average 1.5) internal successors, (378), 252 states have internal predecessors, (378), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:48:39,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 382 transitions. [2022-03-19 01:48:39,452 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 382 transitions. Word has length 91 [2022-03-19 01:48:39,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 01:48:39,452 INFO L478 AbstractCegarLoop]: Abstraction has 257 states and 382 transitions. [2022-03-19 01:48:39,452 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 4 states have internal predecessors, (77), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:48:39,452 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 382 transitions. [2022-03-19 01:48:39,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-03-19 01:48:39,453 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 01:48:39,453 INFO L500 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] [2022-03-19 01:48:39,453 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-03-19 01:48:39,453 INFO L403 AbstractCegarLoop]: === Iteration 19 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 01:48:39,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 01:48:39,453 INFO L85 PathProgramCache]: Analyzing trace with hash 1434817728, now seen corresponding path program 1 times [2022-03-19 01:48:39,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 01:48:39,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101219423] [2022-03-19 01:48:39,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 01:48:39,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 01:48:39,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:48:39,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 01:48:39,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:48:39,564 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-03-19 01:48:39,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 01:48:39,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101219423] [2022-03-19 01:48:39,564 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101219423] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 01:48:39,565 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 01:48:39,565 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-19 01:48:39,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552582299] [2022-03-19 01:48:39,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 01:48:39,566 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-19 01:48:39,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-19 01:48:39,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-19 01:48:39,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-19 01:48:39,566 INFO L87 Difference]: Start difference. First operand 257 states and 382 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) [2022-03-19 01:48:41,576 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-19 01:48:42,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 01:48:42,025 INFO L93 Difference]: Finished difference Result 584 states and 877 transitions. [2022-03-19 01:48:42,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-19 01:48:42,026 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 [2022-03-19 01:48:42,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 01:48:42,027 INFO L225 Difference]: With dead ends: 584 [2022-03-19 01:48:42,027 INFO L226 Difference]: Without dead ends: 353 [2022-03-19 01:48:42,027 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-19 01:48:42,028 INFO L912 BasicCegarLoop]: 183 mSDtfsCounter, 73 mSDsluCounter, 291 mSDsCounter, 0 mSdLazyCounter, 524 mSolverCounterSat, 16 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 474 SdHoareTripleChecker+Invalid, 541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 524 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-19 01:48:42,028 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [73 Valid, 474 Invalid, 541 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 524 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-19 01:48:42,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2022-03-19 01:48:42,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 300. [2022-03-19 01:48:42,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 300 states, 295 states have (on average 1.528813559322034) internal successors, (451), 295 states have internal predecessors, (451), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:48:42,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 455 transitions. [2022-03-19 01:48:42,033 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 455 transitions. Word has length 92 [2022-03-19 01:48:42,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 01:48:42,034 INFO L478 AbstractCegarLoop]: Abstraction has 300 states and 455 transitions. [2022-03-19 01:48:42,034 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) [2022-03-19 01:48:42,034 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 455 transitions. [2022-03-19 01:48:42,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-03-19 01:48:42,034 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 01:48:42,035 INFO L500 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] [2022-03-19 01:48:42,035 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-03-19 01:48:42,035 INFO L403 AbstractCegarLoop]: === Iteration 20 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 01:48:42,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 01:48:42,035 INFO L85 PathProgramCache]: Analyzing trace with hash 410123807, now seen corresponding path program 1 times [2022-03-19 01:48:42,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 01:48:42,035 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312117684] [2022-03-19 01:48:42,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 01:48:42,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 01:48:42,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:48:42,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 01:48:42,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:48:42,134 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-03-19 01:48:42,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 01:48:42,134 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312117684] [2022-03-19 01:48:42,134 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1312117684] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 01:48:42,134 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 01:48:42,134 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-19 01:48:42,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493115474] [2022-03-19 01:48:42,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 01:48:42,135 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-19 01:48:42,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-19 01:48:42,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-19 01:48:42,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-19 01:48:42,135 INFO L87 Difference]: Start difference. First operand 300 states and 455 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) [2022-03-19 01:48:44,145 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-19 01:48:44,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 01:48:44,560 INFO L93 Difference]: Finished difference Result 622 states and 948 transitions. [2022-03-19 01:48:44,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-19 01:48:44,560 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 [2022-03-19 01:48:44,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 01:48:44,561 INFO L225 Difference]: With dead ends: 622 [2022-03-19 01:48:44,561 INFO L226 Difference]: Without dead ends: 348 [2022-03-19 01:48:44,562 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-19 01:48:44,562 INFO L912 BasicCegarLoop]: 236 mSDtfsCounter, 34 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 455 mSolverCounterSat, 11 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 578 SdHoareTripleChecker+Invalid, 467 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 455 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-19 01:48:44,562 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 578 Invalid, 467 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 455 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-19 01:48:44,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2022-03-19 01:48:44,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 324. [2022-03-19 01:48:44,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 319 states have (on average 1.5297805642633229) internal successors, (488), 319 states have internal predecessors, (488), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:48:44,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 492 transitions. [2022-03-19 01:48:44,568 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 492 transitions. Word has length 92 [2022-03-19 01:48:44,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 01:48:44,568 INFO L478 AbstractCegarLoop]: Abstraction has 324 states and 492 transitions. [2022-03-19 01:48:44,568 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) [2022-03-19 01:48:44,568 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 492 transitions. [2022-03-19 01:48:44,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-03-19 01:48:44,569 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 01:48:44,569 INFO L500 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-19 01:48:44,569 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-03-19 01:48:44,569 INFO L403 AbstractCegarLoop]: === Iteration 21 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 01:48:44,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 01:48:44,569 INFO L85 PathProgramCache]: Analyzing trace with hash 370947260, now seen corresponding path program 1 times [2022-03-19 01:48:44,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 01:48:44,569 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327163517] [2022-03-19 01:48:44,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 01:48:44,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 01:48:44,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:48:44,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 01:48:44,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:48:44,655 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-03-19 01:48:44,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 01:48:44,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327163517] [2022-03-19 01:48:44,655 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [327163517] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 01:48:44,655 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 01:48:44,655 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-19 01:48:44,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522893412] [2022-03-19 01:48:44,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 01:48:44,656 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-19 01:48:44,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-19 01:48:44,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-19 01:48:44,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-19 01:48:44,656 INFO L87 Difference]: Start difference. First operand 324 states and 492 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) [2022-03-19 01:48:47,312 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-19 01:48:49,340 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-19 01:48:51,366 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-19 01:48:51,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 01:48:51,764 INFO L93 Difference]: Finished difference Result 710 states and 1090 transitions. [2022-03-19 01:48:51,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-19 01:48:51,764 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 98 [2022-03-19 01:48:51,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 01:48:51,766 INFO L225 Difference]: With dead ends: 710 [2022-03-19 01:48:51,766 INFO L226 Difference]: Without dead ends: 412 [2022-03-19 01:48:51,766 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-19 01:48:51,767 INFO L912 BasicCegarLoop]: 119 mSDtfsCounter, 134 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 452 mSolverCounterSat, 57 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 452 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2022-03-19 01:48:51,767 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [134 Valid, 339 Invalid, 512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 452 Invalid, 3 Unknown, 0 Unchecked, 7.1s Time] [2022-03-19 01:48:51,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2022-03-19 01:48:51,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 324. [2022-03-19 01:48:51,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 319 states have (on average 1.5109717868338557) internal successors, (482), 319 states have internal predecessors, (482), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:48:51,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 486 transitions. [2022-03-19 01:48:51,772 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 486 transitions. Word has length 98 [2022-03-19 01:48:51,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 01:48:51,773 INFO L478 AbstractCegarLoop]: Abstraction has 324 states and 486 transitions. [2022-03-19 01:48:51,773 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) [2022-03-19 01:48:51,773 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 486 transitions. [2022-03-19 01:48:51,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-03-19 01:48:51,773 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 01:48:51,773 INFO L500 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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] [2022-03-19 01:48:51,774 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-03-19 01:48:51,774 INFO L403 AbstractCegarLoop]: === Iteration 22 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 01:48:51,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 01:48:51,774 INFO L85 PathProgramCache]: Analyzing trace with hash 877245549, now seen corresponding path program 1 times [2022-03-19 01:48:51,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 01:48:51,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170281543] [2022-03-19 01:48:51,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 01:48:51,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 01:48:51,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:48:51,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 01:48:51,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:48:51,856 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-03-19 01:48:51,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 01:48:51,856 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170281543] [2022-03-19 01:48:51,856 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170281543] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 01:48:51,857 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 01:48:51,857 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-19 01:48:51,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434723006] [2022-03-19 01:48:51,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 01:48:51,857 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-19 01:48:51,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-19 01:48:51,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-19 01:48:51,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-19 01:48:51,858 INFO L87 Difference]: Start difference. First operand 324 states and 486 transitions. Second operand has 5 states, 5 states have (on average 18.2) internal successors, (91), 4 states have internal predecessors, (91), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:48:53,865 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-19 01:48:54,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 01:48:54,263 INFO L93 Difference]: Finished difference Result 663 states and 997 transitions. [2022-03-19 01:48:54,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-19 01:48:54,264 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 4 states have internal predecessors, (91), 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 105 [2022-03-19 01:48:54,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 01:48:54,265 INFO L225 Difference]: With dead ends: 663 [2022-03-19 01:48:54,265 INFO L226 Difference]: Without dead ends: 365 [2022-03-19 01:48:54,266 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-19 01:48:54,266 INFO L912 BasicCegarLoop]: 177 mSDtfsCounter, 90 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 487 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 460 SdHoareTripleChecker+Invalid, 498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 487 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-19 01:48:54,266 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [90 Valid, 460 Invalid, 498 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 487 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-19 01:48:54,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2022-03-19 01:48:54,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 324. [2022-03-19 01:48:54,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 319 states have (on average 1.5078369905956113) internal successors, (481), 319 states have internal predecessors, (481), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:48:54,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 485 transitions. [2022-03-19 01:48:54,272 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 485 transitions. Word has length 105 [2022-03-19 01:48:54,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 01:48:54,272 INFO L478 AbstractCegarLoop]: Abstraction has 324 states and 485 transitions. [2022-03-19 01:48:54,272 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 4 states have internal predecessors, (91), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:48:54,273 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 485 transitions. [2022-03-19 01:48:54,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-03-19 01:48:54,273 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 01:48:54,273 INFO L500 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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] [2022-03-19 01:48:54,273 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-03-19 01:48:54,273 INFO L403 AbstractCegarLoop]: === Iteration 23 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 01:48:54,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 01:48:54,274 INFO L85 PathProgramCache]: Analyzing trace with hash 1507704174, now seen corresponding path program 1 times [2022-03-19 01:48:54,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 01:48:54,274 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837346654] [2022-03-19 01:48:54,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 01:48:54,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 01:48:54,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:48:54,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 01:48:54,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:48:54,364 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-03-19 01:48:54,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 01:48:54,364 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837346654] [2022-03-19 01:48:54,364 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1837346654] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 01:48:54,364 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 01:48:54,364 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-19 01:48:54,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548166482] [2022-03-19 01:48:54,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 01:48:54,365 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-19 01:48:54,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-19 01:48:54,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-19 01:48:54,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-19 01:48:54,365 INFO L87 Difference]: Start difference. First operand 324 states and 485 transitions. Second operand has 5 states, 5 states have (on average 18.2) internal successors, (91), 4 states have internal predecessors, (91), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:48:56,376 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-19 01:48:56,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 01:48:56,699 INFO L93 Difference]: Finished difference Result 634 states and 956 transitions. [2022-03-19 01:48:56,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-19 01:48:56,699 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 4 states have internal predecessors, (91), 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 105 [2022-03-19 01:48:56,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 01:48:56,700 INFO L225 Difference]: With dead ends: 634 [2022-03-19 01:48:56,700 INFO L226 Difference]: Without dead ends: 336 [2022-03-19 01:48:56,701 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-19 01:48:56,701 INFO L912 BasicCegarLoop]: 230 mSDtfsCounter, 34 mSDsluCounter, 336 mSDsCounter, 0 mSdLazyCounter, 417 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 566 SdHoareTripleChecker+Invalid, 423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 417 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-03-19 01:48:56,701 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 566 Invalid, 423 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 417 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-03-19 01:48:56,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2022-03-19 01:48:56,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 324. [2022-03-19 01:48:56,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 319 states have (on average 1.5047021943573669) internal successors, (480), 319 states have internal predecessors, (480), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:48:56,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 484 transitions. [2022-03-19 01:48:56,709 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 484 transitions. Word has length 105 [2022-03-19 01:48:56,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 01:48:56,709 INFO L478 AbstractCegarLoop]: Abstraction has 324 states and 484 transitions. [2022-03-19 01:48:56,709 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 4 states have internal predecessors, (91), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:48:56,709 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 484 transitions. [2022-03-19 01:48:56,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-03-19 01:48:56,710 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 01:48:56,710 INFO L500 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2022-03-19 01:48:56,710 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-03-19 01:48:56,710 INFO L403 AbstractCegarLoop]: === Iteration 24 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 01:48:56,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 01:48:56,710 INFO L85 PathProgramCache]: Analyzing trace with hash -997658171, now seen corresponding path program 1 times [2022-03-19 01:48:56,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 01:48:56,711 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239046317] [2022-03-19 01:48:56,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 01:48:56,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 01:48:56,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:48:56,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 01:48:56,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:48:56,830 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-03-19 01:48:56,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 01:48:56,830 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239046317] [2022-03-19 01:48:56,830 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [239046317] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 01:48:56,830 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 01:48:56,830 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-19 01:48:56,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058248216] [2022-03-19 01:48:56,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 01:48:56,832 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-19 01:48:56,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-19 01:48:56,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-19 01:48:56,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-19 01:48:56,832 INFO L87 Difference]: Start difference. First operand 324 states and 484 transitions. Second operand has 5 states, 5 states have (on average 18.4) internal successors, (92), 4 states have internal predecessors, (92), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:48:58,200 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-19 01:49:00,225 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-19 01:49:02,253 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-19 01:49:04,281 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-19 01:49:04,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 01:49:04,651 INFO L93 Difference]: Finished difference Result 662 states and 992 transitions. [2022-03-19 01:49:04,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-19 01:49:04,652 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 4 states have internal predecessors, (92), 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 106 [2022-03-19 01:49:04,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 01:49:04,653 INFO L225 Difference]: With dead ends: 662 [2022-03-19 01:49:04,653 INFO L226 Difference]: Without dead ends: 364 [2022-03-19 01:49:04,653 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-19 01:49:04,654 INFO L912 BasicCegarLoop]: 178 mSDtfsCounter, 87 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 486 mSolverCounterSat, 10 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 462 SdHoareTripleChecker+Invalid, 499 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 486 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2022-03-19 01:49:04,654 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [87 Valid, 462 Invalid, 499 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 486 Invalid, 3 Unknown, 0 Unchecked, 7.8s Time] [2022-03-19 01:49:04,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2022-03-19 01:49:04,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 324. [2022-03-19 01:49:04,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 319 states have (on average 1.5015673981191222) internal successors, (479), 319 states have internal predecessors, (479), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:49:04,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 483 transitions. [2022-03-19 01:49:04,659 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 483 transitions. Word has length 106 [2022-03-19 01:49:04,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 01:49:04,659 INFO L478 AbstractCegarLoop]: Abstraction has 324 states and 483 transitions. [2022-03-19 01:49:04,659 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 4 states have internal predecessors, (92), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:49:04,659 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 483 transitions. [2022-03-19 01:49:04,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-03-19 01:49:04,660 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 01:49:04,660 INFO L500 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2022-03-19 01:49:04,660 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-03-19 01:49:04,660 INFO L403 AbstractCegarLoop]: === Iteration 25 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 01:49:04,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 01:49:04,661 INFO L85 PathProgramCache]: Analyzing trace with hash 1366690020, now seen corresponding path program 1 times [2022-03-19 01:49:04,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 01:49:04,661 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408266149] [2022-03-19 01:49:04,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 01:49:04,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 01:49:04,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:49:04,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 01:49:04,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:49:04,745 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-03-19 01:49:04,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 01:49:04,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408266149] [2022-03-19 01:49:04,746 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [408266149] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 01:49:04,746 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 01:49:04,746 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-19 01:49:04,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478272127] [2022-03-19 01:49:04,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 01:49:04,746 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-19 01:49:04,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-19 01:49:04,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-19 01:49:04,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-19 01:49:04,747 INFO L87 Difference]: Start difference. First operand 324 states and 483 transitions. Second operand has 5 states, 5 states have (on average 18.4) internal successors, (92), 4 states have internal predecessors, (92), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:49:06,754 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-19 01:49:07,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 01:49:07,076 INFO L93 Difference]: Finished difference Result 633 states and 951 transitions. [2022-03-19 01:49:07,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-19 01:49:07,076 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 4 states have internal predecessors, (92), 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 106 [2022-03-19 01:49:07,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 01:49:07,080 INFO L225 Difference]: With dead ends: 633 [2022-03-19 01:49:07,080 INFO L226 Difference]: Without dead ends: 335 [2022-03-19 01:49:07,081 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-19 01:49:07,081 INFO L912 BasicCegarLoop]: 229 mSDtfsCounter, 31 mSDsluCounter, 335 mSDsCounter, 0 mSdLazyCounter, 412 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 564 SdHoareTripleChecker+Invalid, 418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 412 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-03-19 01:49:07,081 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [31 Valid, 564 Invalid, 418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 412 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-03-19 01:49:07,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2022-03-19 01:49:07,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 324. [2022-03-19 01:49:07,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 319 states have (on average 1.4984326018808778) internal successors, (478), 319 states have internal predecessors, (478), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:49:07,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 482 transitions. [2022-03-19 01:49:07,091 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 482 transitions. Word has length 106 [2022-03-19 01:49:07,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 01:49:07,091 INFO L478 AbstractCegarLoop]: Abstraction has 324 states and 482 transitions. [2022-03-19 01:49:07,092 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 4 states have internal predecessors, (92), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:49:07,092 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 482 transitions. [2022-03-19 01:49:07,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-19 01:49:07,093 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 01:49:07,093 INFO L500 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-19 01:49:07,093 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-03-19 01:49:07,093 INFO L403 AbstractCegarLoop]: === Iteration 26 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 01:49:07,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 01:49:07,094 INFO L85 PathProgramCache]: Analyzing trace with hash 931859327, now seen corresponding path program 1 times [2022-03-19 01:49:07,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 01:49:07,094 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172168760] [2022-03-19 01:49:07,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 01:49:07,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 01:49:07,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:49:07,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 01:49:07,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:49:07,203 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-03-19 01:49:07,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 01:49:07,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172168760] [2022-03-19 01:49:07,203 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172168760] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 01:49:07,203 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 01:49:07,203 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-19 01:49:07,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854196730] [2022-03-19 01:49:07,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 01:49:07,204 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-19 01:49:07,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-19 01:49:07,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-19 01:49:07,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-19 01:49:07,204 INFO L87 Difference]: Start difference. First operand 324 states and 482 transitions. Second operand has 5 states, 5 states have (on average 20.0) internal successors, (100), 4 states have internal predecessors, (100), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:49:08,681 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-19 01:49:10,614 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-19 01:49:12,645 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-19 01:49:14,672 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 [] [2022-03-19 01:49:15,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 01:49:15,067 INFO L93 Difference]: Finished difference Result 662 states and 988 transitions. [2022-03-19 01:49:15,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-19 01:49:15,068 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 4 states have internal predecessors, (100), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 114 [2022-03-19 01:49:15,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 01:49:15,069 INFO L225 Difference]: With dead ends: 662 [2022-03-19 01:49:15,069 INFO L226 Difference]: Without dead ends: 364 [2022-03-19 01:49:15,070 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-19 01:49:15,070 INFO L912 BasicCegarLoop]: 183 mSDtfsCounter, 80 mSDsluCounter, 291 mSDsCounter, 0 mSdLazyCounter, 492 mSolverCounterSat, 10 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 474 SdHoareTripleChecker+Invalid, 504 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 492 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2022-03-19 01:49:15,070 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [80 Valid, 474 Invalid, 504 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 492 Invalid, 2 Unknown, 0 Unchecked, 7.8s Time] [2022-03-19 01:49:15,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2022-03-19 01:49:15,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 324. [2022-03-19 01:49:15,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 319 states have (on average 1.4952978056426331) internal successors, (477), 319 states have internal predecessors, (477), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:49:15,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 481 transitions. [2022-03-19 01:49:15,077 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 481 transitions. Word has length 114 [2022-03-19 01:49:15,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 01:49:15,078 INFO L478 AbstractCegarLoop]: Abstraction has 324 states and 481 transitions. [2022-03-19 01:49:15,078 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 4 states have internal predecessors, (100), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:49:15,078 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 481 transitions. [2022-03-19 01:49:15,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-19 01:49:15,079 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 01:49:15,079 INFO L500 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-19 01:49:15,079 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-03-19 01:49:15,079 INFO L403 AbstractCegarLoop]: === Iteration 27 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 01:49:15,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 01:49:15,079 INFO L85 PathProgramCache]: Analyzing trace with hash -1581608034, now seen corresponding path program 1 times [2022-03-19 01:49:15,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 01:49:15,079 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027508780] [2022-03-19 01:49:15,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 01:49:15,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 01:49:15,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:49:15,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 01:49:15,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:49:15,161 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-03-19 01:49:15,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 01:49:15,161 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027508780] [2022-03-19 01:49:15,161 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027508780] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 01:49:15,161 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 01:49:15,161 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-19 01:49:15,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914729603] [2022-03-19 01:49:15,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 01:49:15,161 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-19 01:49:15,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-19 01:49:15,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-19 01:49:15,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-19 01:49:15,162 INFO L87 Difference]: Start difference. First operand 324 states and 481 transitions. Second operand has 4 states, 4 states have (on average 20.5) internal successors, (82), 3 states have internal predecessors, (82), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:49:17,175 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-19 01:49:17,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 01:49:17,475 INFO L93 Difference]: Finished difference Result 899 states and 1357 transitions. [2022-03-19 01:49:17,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-19 01:49:17,475 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 3 states have internal predecessors, (82), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 114 [2022-03-19 01:49:17,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 01:49:17,477 INFO L225 Difference]: With dead ends: 899 [2022-03-19 01:49:17,477 INFO L226 Difference]: Without dead ends: 601 [2022-03-19 01:49:17,478 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-19 01:49:17,478 INFO L912 BasicCegarLoop]: 234 mSDtfsCounter, 132 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 258 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 429 SdHoareTripleChecker+Invalid, 266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 258 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-03-19 01:49:17,478 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [132 Valid, 429 Invalid, 266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 258 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-03-19 01:49:17,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2022-03-19 01:49:17,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 601. [2022-03-19 01:49:17,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 601 states, 596 states have (on average 1.5033557046979866) internal successors, (896), 596 states have internal predecessors, (896), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:49:17,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 900 transitions. [2022-03-19 01:49:17,487 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 900 transitions. Word has length 114 [2022-03-19 01:49:17,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 01:49:17,487 INFO L478 AbstractCegarLoop]: Abstraction has 601 states and 900 transitions. [2022-03-19 01:49:17,487 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 3 states have internal predecessors, (82), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:49:17,487 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 900 transitions. [2022-03-19 01:49:17,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-19 01:49:17,488 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 01:49:17,488 INFO L500 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-19 01:49:17,488 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-03-19 01:49:17,488 INFO L403 AbstractCegarLoop]: === Iteration 28 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 01:49:17,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 01:49:17,489 INFO L85 PathProgramCache]: Analyzing trace with hash 1042845693, now seen corresponding path program 1 times [2022-03-19 01:49:17,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 01:49:17,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771784155] [2022-03-19 01:49:17,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 01:49:17,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 01:49:17,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:49:17,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 01:49:17,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:49:17,562 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-03-19 01:49:17,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 01:49:17,562 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771784155] [2022-03-19 01:49:17,562 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [771784155] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 01:49:17,562 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 01:49:17,562 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-19 01:49:17,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088702700] [2022-03-19 01:49:17,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 01:49:17,563 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-19 01:49:17,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-19 01:49:17,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-19 01:49:17,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-19 01:49:17,563 INFO L87 Difference]: Start difference. First operand 601 states and 900 transitions. Second operand has 4 states, 4 states have (on average 23.0) internal successors, (92), 3 states have internal predecessors, (92), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:49:19,580 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-19 01:49:19,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 01:49:19,817 INFO L93 Difference]: Finished difference Result 1203 states and 1807 transitions. [2022-03-19 01:49:19,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-19 01:49:19,818 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.0) internal successors, (92), 3 states have internal predecessors, (92), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 114 [2022-03-19 01:49:19,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 01:49:19,819 INFO L225 Difference]: With dead ends: 1203 [2022-03-19 01:49:19,820 INFO L226 Difference]: Without dead ends: 628 [2022-03-19 01:49:19,820 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-19 01:49:19,821 INFO L912 BasicCegarLoop]: 216 mSDtfsCounter, 15 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 232 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 411 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 232 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-03-19 01:49:19,821 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 411 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 232 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2022-03-19 01:49:19,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 628 states. [2022-03-19 01:49:19,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 628 to 628. [2022-03-19 01:49:19,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 628 states, 623 states have (on average 1.4943820224719102) internal successors, (931), 623 states have internal predecessors, (931), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:49:19,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 628 states and 935 transitions. [2022-03-19 01:49:19,830 INFO L78 Accepts]: Start accepts. Automaton has 628 states and 935 transitions. Word has length 114 [2022-03-19 01:49:19,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 01:49:19,830 INFO L478 AbstractCegarLoop]: Abstraction has 628 states and 935 transitions. [2022-03-19 01:49:19,830 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.0) internal successors, (92), 3 states have internal predecessors, (92), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:49:19,830 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 935 transitions. [2022-03-19 01:49:19,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-19 01:49:19,831 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 01:49:19,831 INFO L500 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-19 01:49:19,831 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-03-19 01:49:19,832 INFO L403 AbstractCegarLoop]: === Iteration 29 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 01:49:19,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 01:49:19,832 INFO L85 PathProgramCache]: Analyzing trace with hash -1601984804, now seen corresponding path program 1 times [2022-03-19 01:49:19,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 01:49:19,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118388108] [2022-03-19 01:49:19,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 01:49:19,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 01:49:19,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:49:19,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 01:49:19,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:49:19,900 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2022-03-19 01:49:19,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 01:49:19,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118388108] [2022-03-19 01:49:19,900 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118388108] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 01:49:19,900 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 01:49:19,900 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-19 01:49:19,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759871479] [2022-03-19 01:49:19,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 01:49:19,901 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-19 01:49:19,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-19 01:49:19,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-19 01:49:19,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-19 01:49:19,901 INFO L87 Difference]: Start difference. First operand 628 states and 935 transitions. Second operand has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:49:21,923 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-19 01:49:22,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 01:49:22,205 INFO L93 Difference]: Finished difference Result 1232 states and 1843 transitions. [2022-03-19 01:49:22,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-19 01:49:22,206 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 114 [2022-03-19 01:49:22,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 01:49:22,207 INFO L225 Difference]: With dead ends: 1232 [2022-03-19 01:49:22,207 INFO L226 Difference]: Without dead ends: 630 [2022-03-19 01:49:22,208 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-19 01:49:22,209 INFO L912 BasicCegarLoop]: 204 mSDtfsCounter, 4 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 218 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 218 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-03-19 01:49:22,209 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 390 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 218 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-03-19 01:49:22,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 630 states. [2022-03-19 01:49:22,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 630 to 630. [2022-03-19 01:49:22,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 630 states, 625 states have (on average 1.4928) internal successors, (933), 625 states have internal predecessors, (933), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:49:22,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 630 states and 937 transitions. [2022-03-19 01:49:22,218 INFO L78 Accepts]: Start accepts. Automaton has 630 states and 937 transitions. Word has length 114 [2022-03-19 01:49:22,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 01:49:22,218 INFO L478 AbstractCegarLoop]: Abstraction has 630 states and 937 transitions. [2022-03-19 01:49:22,218 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:49:22,218 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 937 transitions. [2022-03-19 01:49:22,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-03-19 01:49:22,219 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 01:49:22,219 INFO L500 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-19 01:49:22,220 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-03-19 01:49:22,220 INFO L403 AbstractCegarLoop]: === Iteration 30 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 01:49:22,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 01:49:22,220 INFO L85 PathProgramCache]: Analyzing trace with hash 1496927688, now seen corresponding path program 1 times [2022-03-19 01:49:22,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 01:49:22,220 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060628614] [2022-03-19 01:49:22,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 01:49:22,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 01:49:22,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:49:22,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 01:49:22,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:49:22,344 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-03-19 01:49:22,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 01:49:22,344 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060628614] [2022-03-19 01:49:22,344 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060628614] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 01:49:22,344 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 01:49:22,344 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-19 01:49:22,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807804570] [2022-03-19 01:49:22,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 01:49:22,345 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-19 01:49:22,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-19 01:49:22,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-19 01:49:22,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-19 01:49:22,345 INFO L87 Difference]: Start difference. First operand 630 states and 937 transitions. Second operand has 4 states, 4 states have (on average 25.5) internal successors, (102), 3 states have internal predecessors, (102), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:49:24,353 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-19 01:49:24,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 01:49:24,809 INFO L93 Difference]: Finished difference Result 1232 states and 1842 transitions. [2022-03-19 01:49:24,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-19 01:49:24,809 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 3 states have internal predecessors, (102), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 132 [2022-03-19 01:49:24,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 01:49:24,811 INFO L225 Difference]: With dead ends: 1232 [2022-03-19 01:49:24,811 INFO L226 Difference]: Without dead ends: 630 [2022-03-19 01:49:24,812 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-19 01:49:24,813 INFO L912 BasicCegarLoop]: 375 mSDtfsCounter, 143 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 397 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 567 SdHoareTripleChecker+Invalid, 404 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 397 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-19 01:49:24,813 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [143 Valid, 567 Invalid, 404 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 397 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-19 01:49:24,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 630 states. [2022-03-19 01:49:24,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 630 to 630. [2022-03-19 01:49:24,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 630 states, 625 states have (on average 1.4848) internal successors, (928), 625 states have internal predecessors, (928), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:49:24,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 630 states and 932 transitions. [2022-03-19 01:49:24,824 INFO L78 Accepts]: Start accepts. Automaton has 630 states and 932 transitions. Word has length 132 [2022-03-19 01:49:24,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 01:49:24,824 INFO L478 AbstractCegarLoop]: Abstraction has 630 states and 932 transitions. [2022-03-19 01:49:24,824 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 3 states have internal predecessors, (102), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:49:24,824 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 932 transitions. [2022-03-19 01:49:24,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-19 01:49:24,825 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 01:49:24,825 INFO L500 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-19 01:49:24,825 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-03-19 01:49:24,826 INFO L403 AbstractCegarLoop]: === Iteration 31 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 01:49:24,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 01:49:24,826 INFO L85 PathProgramCache]: Analyzing trace with hash -839880001, now seen corresponding path program 1 times [2022-03-19 01:49:24,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 01:49:24,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844531814] [2022-03-19 01:49:24,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 01:49:24,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 01:49:25,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:49:25,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 01:49:25,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:49:25,133 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2022-03-19 01:49:25,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 01:49:25,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844531814] [2022-03-19 01:49:25,133 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844531814] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 01:49:25,133 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 01:49:25,133 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-19 01:49:25,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929331046] [2022-03-19 01:49:25,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 01:49:25,134 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-19 01:49:25,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-19 01:49:25,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-19 01:49:25,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-03-19 01:49:25,134 INFO L87 Difference]: Start difference. First operand 630 states and 932 transitions. Second operand has 7 states, 6 states have (on average 11.333333333333334) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:49:27,144 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-19 01:49:27,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 01:49:27,592 INFO L93 Difference]: Finished difference Result 1253 states and 1856 transitions. [2022-03-19 01:49:27,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-19 01:49:27,593 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 11.333333333333334) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 133 [2022-03-19 01:49:27,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 01:49:27,595 INFO L225 Difference]: With dead ends: 1253 [2022-03-19 01:49:27,595 INFO L226 Difference]: Without dead ends: 630 [2022-03-19 01:49:27,596 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-03-19 01:49:27,596 INFO L912 BasicCegarLoop]: 200 mSDtfsCounter, 7 mSDsluCounter, 597 mSDsCounter, 0 mSdLazyCounter, 429 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 797 SdHoareTripleChecker+Invalid, 434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 429 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-19 01:49:27,596 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 797 Invalid, 434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 429 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-19 01:49:27,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 630 states. [2022-03-19 01:49:27,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 630 to 630. [2022-03-19 01:49:27,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 630 states, 625 states have (on average 1.4832) internal successors, (927), 625 states have internal predecessors, (927), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:49:27,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 630 states and 931 transitions. [2022-03-19 01:49:27,605 INFO L78 Accepts]: Start accepts. Automaton has 630 states and 931 transitions. Word has length 133 [2022-03-19 01:49:27,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 01:49:27,605 INFO L478 AbstractCegarLoop]: Abstraction has 630 states and 931 transitions. [2022-03-19 01:49:27,606 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 11.333333333333334) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:49:27,606 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 931 transitions. [2022-03-19 01:49:27,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-19 01:49:27,607 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 01:49:27,607 INFO L500 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-19 01:49:27,607 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-03-19 01:49:27,607 INFO L403 AbstractCegarLoop]: === Iteration 32 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 01:49:27,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 01:49:27,608 INFO L85 PathProgramCache]: Analyzing trace with hash 1090350848, now seen corresponding path program 1 times [2022-03-19 01:49:27,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 01:49:27,608 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772214265] [2022-03-19 01:49:27,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 01:49:27,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 01:49:27,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-19 01:49:27,861 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-19 01:49:28,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-19 01:49:28,109 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-19 01:49:28,109 INFO L614 BasicCegarLoop]: Counterexample is feasible [2022-03-19 01:49:28,110 INFO L788 garLoopResultBuilder]: Registering result UNSAFE for location ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-03-19 01:49:28,111 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-03-19 01:49:28,116 INFO L718 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-19 01:49:28,118 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-19 01:49:28,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.03 01:49:28 BasicIcfg [2022-03-19 01:49:28,210 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-19 01:49:28,211 INFO L158 Benchmark]: Toolchain (without parser) took 103227.13ms. Allocated memory was 190.8MB in the beginning and 233.8MB in the end (delta: 43.0MB). Free memory was 137.7MB in the beginning and 126.1MB in the end (delta: 11.6MB). Peak memory consumption was 119.0MB. Max. memory is 8.0GB. [2022-03-19 01:49:28,211 INFO L158 Benchmark]: CDTParser took 0.08ms. Allocated memory is still 190.8MB. Free memory is still 156.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-19 01:49:28,211 INFO L158 Benchmark]: CACSL2BoogieTranslator took 454.84ms. Allocated memory is still 190.8MB. Free memory was 137.4MB in the beginning and 145.8MB in the end (delta: -8.4MB). Peak memory consumption was 12.7MB. Max. memory is 8.0GB. [2022-03-19 01:49:28,211 INFO L158 Benchmark]: Boogie Preprocessor took 112.40ms. Allocated memory is still 190.8MB. Free memory was 145.8MB in the beginning and 138.0MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2022-03-19 01:49:28,211 INFO L158 Benchmark]: RCFGBuilder took 2998.17ms. Allocated memory was 190.8MB in the beginning and 233.8MB in the end (delta: 43.0MB). Free memory was 138.0MB in the beginning and 202.4MB in the end (delta: -64.5MB). Peak memory consumption was 82.8MB. Max. memory is 8.0GB. [2022-03-19 01:49:28,211 INFO L158 Benchmark]: IcfgTransformer took 44.84ms. Allocated memory is still 233.8MB. Free memory was 202.4MB in the beginning and 196.7MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2022-03-19 01:49:28,211 INFO L158 Benchmark]: TraceAbstraction took 99607.80ms. Allocated memory is still 233.8MB. Free memory was 196.2MB in the beginning and 126.1MB in the end (delta: 70.0MB). Peak memory consumption was 133.5MB. Max. memory is 8.0GB. [2022-03-19 01:49:28,212 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.08ms. Allocated memory is still 190.8MB. Free memory is still 156.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 454.84ms. Allocated memory is still 190.8MB. Free memory was 137.4MB in the beginning and 145.8MB in the end (delta: -8.4MB). Peak memory consumption was 12.7MB. Max. memory is 8.0GB. * Boogie Preprocessor took 112.40ms. Allocated memory is still 190.8MB. Free memory was 145.8MB in the beginning and 138.0MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * RCFGBuilder took 2998.17ms. Allocated memory was 190.8MB in the beginning and 233.8MB in the end (delta: 43.0MB). Free memory was 138.0MB in the beginning and 202.4MB in the end (delta: -64.5MB). Peak memory consumption was 82.8MB. Max. memory is 8.0GB. * IcfgTransformer took 44.84ms. Allocated memory is still 233.8MB. Free memory was 202.4MB in the beginning and 196.7MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * TraceAbstraction took 99607.80ms. Allocated memory is still 233.8MB. Free memory was 196.2MB in the beginning and 126.1MB in the end (delta: 70.0MB). Peak memory consumption was 133.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1737]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 1151. Possible FailurePath: [L1054] static int init = 1; [L1055] static SSL_METHOD SSLv3_server_data ; VAL [\old(init)=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={-7:0}, SSLv3_server_data={4:0}] [L1112] BUF_MEM *buf = (BUF_MEM *)__VERIFIER_nondet_ulong(); [L1113] unsigned long l ; [L1114] unsigned long Time ; [L1115] unsigned long tmp = __VERIFIER_nondet_long() ; [L1116] void (*cb)() ; [L1117] long num1 ; [L1118] int ret ; [L1119] int new_state ; [L1120] int state ; [L1121] int skip ; [L1122] int got_new_session ; [L1123] int tmp___1 = __VERIFIER_nondet_int() ; [L1124] int tmp___2 = __VERIFIER_nondet_int() ; [L1125] int tmp___3 ; [L1126] int tmp___4 ; [L1127] int tmp___5 ; [L1128] int tmp___6 ; [L1129] int tmp___7 ; [L1130] long tmp___8 = __VERIFIER_nondet_long() ; [L1131] int tmp___9 ; [L1132] int tmp___10 ; [L1133] int blastFlag ; [L1137] blastFlag = 0 [L1138] s->hit=__VERIFIER_nondet_int () [L1139] s->state = 8464 [L1140] Time = tmp [L1141] cb = (void (*)())((void *)0) [L1142] ret = -1 [L1143] skip = 0 [L1144] got_new_session = 0 [L1145] EXPR s->info_callback VAL [={0:0}, blastFlag=0, buf={0:-1}, got_new_session=0, init=1, ret=-1, s={-7:0}, s={-7:0}, s->info_callback={0:-9}, skip=0, SSLv3_server_data={4:0}, Time=8, tmp=8, tmp___1=1, tmp___2=0, tmp___8=0] [L1145] COND TRUE (unsigned long )s->info_callback != (unsigned long )((void *)0) [L1146] EXPR s->info_callback [L1146] cb = s->info_callback [L1150] EXPR s->in_handshake [L1150] s->in_handshake += 1 [L1151] COND FALSE !(tmp___1 & 12288) VAL [={0:-9}, blastFlag=0, buf={0:-1}, got_new_session=0, init=1, ret=-1, s={-7:0}, s={-7:0}, skip=0, SSLv3_server_data={4:0}, Time=8, tmp=8, tmp___1=1, tmp___2=0, tmp___8=0] [L1160] EXPR s->cert VAL [={0:-9}, blastFlag=0, buf={0:-1}, got_new_session=0, init=1, ret=-1, s={-7:0}, s={-7:0}, s->cert={-18446744073709551615:0}, skip=0, SSLv3_server_data={4:0}, Time=8, tmp=8, tmp___1=1, tmp___2=0, tmp___8=0] [L1160] COND FALSE !((unsigned long )s->cert == (unsigned long )((void *)0)) [L1166] COND TRUE 1 VAL [={0:-9}, blastFlag=0, buf={0:-1}, got_new_session=0, init=1, ret=-1, s={-7:0}, s={-7:0}, skip=0, SSLv3_server_data={4:0}, Time=8, tmp=8, tmp___1=1, tmp___2=0, tmp___8=0] [L1168] EXPR s->state [L1168] state = s->state [L1169] EXPR s->state VAL [={0:-9}, blastFlag=0, buf={0:-1}, got_new_session=0, init=1, ret=-1, s={-7:0}, s={-7:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=8, tmp=8, tmp___1=1, tmp___2=0, tmp___8=0] [L1169] COND FALSE !(s->state == 12292) [L1172] EXPR s->state VAL [={0:-9}, blastFlag=0, buf={0:-1}, got_new_session=0, init=1, ret=-1, s={-7:0}, s={-7:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=8, tmp=8, tmp___1=1, tmp___2=0, tmp___8=0] [L1172] COND FALSE !(s->state == 16384) [L1175] EXPR s->state VAL [={0:-9}, blastFlag=0, buf={0:-1}, got_new_session=0, init=1, ret=-1, s={-7:0}, s={-7:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=8, tmp=8, tmp___1=1, tmp___2=0, tmp___8=0] [L1175] COND FALSE !(s->state == 8192) [L1178] EXPR s->state VAL [={0:-9}, blastFlag=0, buf={0:-1}, got_new_session=0, init=1, ret=-1, s={-7:0}, s={-7:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=8, tmp=8, tmp___1=1, tmp___2=0, tmp___8=0] [L1178] COND FALSE !(s->state == 24576) [L1181] EXPR s->state VAL [={0:-9}, blastFlag=0, buf={0:-1}, got_new_session=0, init=1, ret=-1, s={-7:0}, s={-7:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=8, tmp=8, tmp___1=1, tmp___2=0, tmp___8=0] [L1181] COND FALSE !(s->state == 8195) [L1184] EXPR s->state VAL [={0:-9}, blastFlag=0, buf={0:-1}, got_new_session=0, init=1, ret=-1, s={-7:0}, s={-7:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=8, tmp=8, tmp___1=1, tmp___2=0, tmp___8=0] [L1184] COND FALSE !(s->state == 8480) [L1187] EXPR s->state VAL [={0:-9}, blastFlag=0, buf={0:-1}, got_new_session=0, init=1, ret=-1, s={-7:0}, s={-7:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=8, tmp=8, tmp___1=1, tmp___2=0, tmp___8=0] [L1187] COND FALSE !(s->state == 8481) [L1190] EXPR s->state VAL [={0:-9}, blastFlag=0, buf={0:-1}, got_new_session=0, init=1, ret=-1, s={-7:0}, s={-7:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=8, tmp=8, tmp___1=1, tmp___2=0, tmp___8=0] [L1190] COND FALSE !(s->state == 8482) [L1193] EXPR s->state VAL [={0:-9}, blastFlag=0, buf={0:-1}, got_new_session=0, init=1, ret=-1, s={-7:0}, s={-7:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=8, tmp=8, tmp___1=1, tmp___2=0, tmp___8=0] [L1193] COND TRUE s->state == 8464 [L1349] s->shutdown = 0 [L1350] ret = __VERIFIER_nondet_int() [L1351] COND TRUE blastFlag == 0 [L1352] blastFlag = 1 VAL [={0:-9}, blastFlag=1, buf={0:-1}, got_new_session=0, init=1, ret=11, s={-7:0}, s={-7:0}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=8, tmp=8, tmp___1=1, tmp___2=0, tmp___8=0] [L1356] COND FALSE !(ret <= 0) [L1361] got_new_session = 1 [L1362] s->state = 8496 [L1363] s->init_num = 0 VAL [={0:-9}, blastFlag=1, buf={0:-1}, got_new_session=1, init=1, ret=11, s={-7:0}, s={-7:0}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=8, tmp=8, tmp___1=1, tmp___2=0, tmp___8=0] [L1696] EXPR s->s3 [L1696] EXPR (s->s3)->tmp.reuse_message VAL [={0:-9}, (s->s3)->tmp.reuse_message=18446744073709551640, blastFlag=1, buf={0:-1}, got_new_session=1, init=1, ret=11, s={-7:0}, s={-7:0}, s->s3={-18446744073709551617:0}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=8, tmp=8, tmp___1=1, tmp___2=0, tmp___8=0] [L1696] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1725] skip = 0 VAL [={0:-9}, blastFlag=1, buf={0:-1}, got_new_session=1, init=1, ret=11, s={-7:0}, s={-7:0}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=8, tmp=8, tmp___1=1, tmp___2=0, tmp___8=0] [L1166] COND TRUE 1 VAL [={0:-9}, blastFlag=1, buf={0:-1}, got_new_session=1, init=1, ret=11, s={-7:0}, s={-7:0}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=8, tmp=8, tmp___1=1, tmp___2=0, tmp___8=0] [L1168] EXPR s->state [L1168] state = s->state [L1169] EXPR s->state VAL [={0:-9}, blastFlag=1, buf={0:-1}, got_new_session=1, init=1, ret=11, s={-7:0}, s={-7:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=8, tmp=8, tmp___1=1, tmp___2=0, tmp___8=0] [L1169] COND FALSE !(s->state == 12292) [L1172] EXPR s->state VAL [={0:-9}, blastFlag=1, buf={0:-1}, got_new_session=1, init=1, ret=11, s={-7:0}, s={-7:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=8, tmp=8, tmp___1=1, tmp___2=0, tmp___8=0] [L1172] COND FALSE !(s->state == 16384) [L1175] EXPR s->state VAL [={0:-9}, blastFlag=1, buf={0:-1}, got_new_session=1, init=1, ret=11, s={-7:0}, s={-7:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=8, tmp=8, tmp___1=1, tmp___2=0, tmp___8=0] [L1175] COND FALSE !(s->state == 8192) [L1178] EXPR s->state VAL [={0:-9}, blastFlag=1, buf={0:-1}, got_new_session=1, init=1, ret=11, s={-7:0}, s={-7:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=8, tmp=8, tmp___1=1, tmp___2=0, tmp___8=0] [L1178] COND FALSE !(s->state == 24576) [L1181] EXPR s->state VAL [={0:-9}, blastFlag=1, buf={0:-1}, got_new_session=1, init=1, ret=11, s={-7:0}, s={-7:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=8, tmp=8, tmp___1=1, tmp___2=0, tmp___8=0] [L1181] COND FALSE !(s->state == 8195) [L1184] EXPR s->state VAL [={0:-9}, blastFlag=1, buf={0:-1}, got_new_session=1, init=1, ret=11, s={-7:0}, s={-7:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=8, tmp=8, tmp___1=1, tmp___2=0, tmp___8=0] [L1184] COND FALSE !(s->state == 8480) [L1187] EXPR s->state VAL [={0:-9}, blastFlag=1, buf={0:-1}, got_new_session=1, init=1, ret=11, s={-7:0}, s={-7:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=8, tmp=8, tmp___1=1, tmp___2=0, tmp___8=0] [L1187] COND FALSE !(s->state == 8481) [L1190] EXPR s->state VAL [={0:-9}, blastFlag=1, buf={0:-1}, got_new_session=1, init=1, ret=11, s={-7:0}, s={-7:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=8, tmp=8, tmp___1=1, tmp___2=0, tmp___8=0] [L1190] COND FALSE !(s->state == 8482) [L1193] EXPR s->state VAL [={0:-9}, blastFlag=1, buf={0:-1}, got_new_session=1, init=1, ret=11, s={-7:0}, s={-7:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=8, tmp=8, tmp___1=1, tmp___2=0, tmp___8=0] [L1193] COND FALSE !(s->state == 8464) [L1196] EXPR s->state VAL [={0:-9}, blastFlag=1, buf={0:-1}, got_new_session=1, init=1, ret=11, s={-7:0}, s={-7:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=8, tmp=8, tmp___1=1, tmp___2=0, tmp___8=0] [L1196] COND FALSE !(s->state == 8465) [L1199] EXPR s->state VAL [={0:-9}, blastFlag=1, buf={0:-1}, got_new_session=1, init=1, ret=11, s={-7:0}, s={-7:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=8, tmp=8, tmp___1=1, tmp___2=0, tmp___8=0] [L1199] COND FALSE !(s->state == 8466) [L1202] EXPR s->state VAL [={0:-9}, blastFlag=1, buf={0:-1}, got_new_session=1, init=1, ret=11, s={-7:0}, s={-7:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=8, tmp=8, tmp___1=1, tmp___2=0, tmp___8=0] [L1202] COND TRUE s->state == 8496 [L1367] ret = __VERIFIER_nondet_int() [L1368] COND TRUE blastFlag == 1 [L1369] blastFlag = 2 VAL [={0:-9}, blastFlag=2, buf={0:-1}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=8, tmp=8, tmp___1=1, tmp___2=0, tmp___8=0] [L1373] COND FALSE !(ret <= 0) [L1378] s->hit VAL [={0:-9}, blastFlag=2, buf={0:-1}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->hit=7, skip=0, SSLv3_server_data={4:0}, state=8496, Time=8, tmp=8, tmp___1=1, tmp___2=0, tmp___8=0] [L1378] COND TRUE s->hit [L1379] s->state = 8656 VAL [={0:-9}, blastFlag=2, buf={0:-1}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=8, tmp=8, tmp___1=1, tmp___2=0, tmp___8=0] [L1383] s->init_num = 0 VAL [={0:-9}, blastFlag=2, buf={0:-1}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=8, tmp=8, tmp___1=1, tmp___2=0, tmp___8=0] [L1696] EXPR s->s3 [L1696] EXPR (s->s3)->tmp.reuse_message VAL [={0:-9}, (s->s3)->tmp.reuse_message=18446744073709551640, blastFlag=2, buf={0:-1}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->s3={-18446744073709551617:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=8, tmp=8, tmp___1=1, tmp___2=0, tmp___8=0] [L1696] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1725] skip = 0 VAL [={0:-9}, blastFlag=2, buf={0:-1}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=8, tmp=8, tmp___1=1, tmp___2=0, tmp___8=0] [L1166] COND TRUE 1 VAL [={0:-9}, blastFlag=2, buf={0:-1}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=8, tmp=8, tmp___1=1, tmp___2=0, tmp___8=0] [L1168] EXPR s->state [L1168] state = s->state [L1169] EXPR s->state VAL [={0:-9}, blastFlag=2, buf={0:-1}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=1, tmp___2=0, tmp___8=0] [L1169] COND FALSE !(s->state == 12292) [L1172] EXPR s->state VAL [={0:-9}, blastFlag=2, buf={0:-1}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=1, tmp___2=0, tmp___8=0] [L1172] COND FALSE !(s->state == 16384) [L1175] EXPR s->state VAL [={0:-9}, blastFlag=2, buf={0:-1}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=1, tmp___2=0, tmp___8=0] [L1175] COND FALSE !(s->state == 8192) [L1178] EXPR s->state VAL [={0:-9}, blastFlag=2, buf={0:-1}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=1, tmp___2=0, tmp___8=0] [L1178] COND FALSE !(s->state == 24576) [L1181] EXPR s->state VAL [={0:-9}, blastFlag=2, buf={0:-1}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=1, tmp___2=0, tmp___8=0] [L1181] COND FALSE !(s->state == 8195) [L1184] EXPR s->state VAL [={0:-9}, blastFlag=2, buf={0:-1}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=1, tmp___2=0, tmp___8=0] [L1184] COND FALSE !(s->state == 8480) [L1187] EXPR s->state VAL [={0:-9}, blastFlag=2, buf={0:-1}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=1, tmp___2=0, tmp___8=0] [L1187] COND FALSE !(s->state == 8481) [L1190] EXPR s->state VAL [={0:-9}, blastFlag=2, buf={0:-1}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=1, tmp___2=0, tmp___8=0] [L1190] COND FALSE !(s->state == 8482) [L1193] EXPR s->state VAL [={0:-9}, blastFlag=2, buf={0:-1}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=1, tmp___2=0, tmp___8=0] [L1193] COND FALSE !(s->state == 8464) [L1196] EXPR s->state VAL [={0:-9}, blastFlag=2, buf={0:-1}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=1, tmp___2=0, tmp___8=0] [L1196] COND FALSE !(s->state == 8465) [L1199] EXPR s->state VAL [={0:-9}, blastFlag=2, buf={0:-1}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=1, tmp___2=0, tmp___8=0] [L1199] COND FALSE !(s->state == 8466) [L1202] EXPR s->state VAL [={0:-9}, blastFlag=2, buf={0:-1}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=1, tmp___2=0, tmp___8=0] [L1202] COND FALSE !(s->state == 8496) [L1205] EXPR s->state VAL [={0:-9}, blastFlag=2, buf={0:-1}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=1, tmp___2=0, tmp___8=0] [L1205] COND FALSE !(s->state == 8497) [L1208] EXPR s->state VAL [={0:-9}, blastFlag=2, buf={0:-1}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=1, tmp___2=0, tmp___8=0] [L1208] COND FALSE !(s->state == 8512) [L1211] EXPR s->state VAL [={0:-9}, blastFlag=2, buf={0:-1}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=1, tmp___2=0, tmp___8=0] [L1211] COND FALSE !(s->state == 8513) [L1214] EXPR s->state VAL [={0:-9}, blastFlag=2, buf={0:-1}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=1, tmp___2=0, tmp___8=0] [L1214] COND FALSE !(s->state == 8528) [L1217] EXPR s->state VAL [={0:-9}, blastFlag=2, buf={0:-1}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=1, tmp___2=0, tmp___8=0] [L1217] COND FALSE !(s->state == 8529) [L1220] EXPR s->state VAL [={0:-9}, blastFlag=2, buf={0:-1}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=1, tmp___2=0, tmp___8=0] [L1220] COND FALSE !(s->state == 8544) [L1223] EXPR s->state VAL [={0:-9}, blastFlag=2, buf={0:-1}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=1, tmp___2=0, tmp___8=0] [L1223] COND FALSE !(s->state == 8545) [L1226] EXPR s->state VAL [={0:-9}, blastFlag=2, buf={0:-1}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=1, tmp___2=0, tmp___8=0] [L1226] COND FALSE !(s->state == 8560) [L1229] EXPR s->state VAL [={0:-9}, blastFlag=2, buf={0:-1}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=1, tmp___2=0, tmp___8=0] [L1229] COND FALSE !(s->state == 8561) [L1232] EXPR s->state VAL [={0:-9}, blastFlag=2, buf={0:-1}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=1, tmp___2=0, tmp___8=0] [L1232] COND FALSE !(s->state == 8448) [L1235] EXPR s->state VAL [={0:-9}, blastFlag=2, buf={0:-1}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=1, tmp___2=0, tmp___8=0] [L1235] COND FALSE !(s->state == 8576) [L1238] EXPR s->state VAL [={0:-9}, blastFlag=2, buf={0:-1}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=1, tmp___2=0, tmp___8=0] [L1238] COND FALSE !(s->state == 8577) [L1241] EXPR s->state VAL [={0:-9}, blastFlag=2, buf={0:-1}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=1, tmp___2=0, tmp___8=0] [L1241] COND FALSE !(s->state == 8592) [L1244] EXPR s->state VAL [={0:-9}, blastFlag=2, buf={0:-1}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=1, tmp___2=0, tmp___8=0] [L1244] COND FALSE !(s->state == 8593) [L1247] EXPR s->state VAL [={0:-9}, blastFlag=2, buf={0:-1}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=1, tmp___2=0, tmp___8=0] [L1247] COND FALSE !(s->state == 8608) [L1250] EXPR s->state VAL [={0:-9}, blastFlag=2, buf={0:-1}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=1, tmp___2=0, tmp___8=0] [L1250] COND FALSE !(s->state == 8609) [L1253] EXPR s->state VAL [={0:-9}, blastFlag=2, buf={0:-1}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=1, tmp___2=0, tmp___8=0] [L1253] COND FALSE !(s->state == 8640) [L1256] EXPR s->state VAL [={0:-9}, blastFlag=2, buf={0:-1}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=1, tmp___2=0, tmp___8=0] [L1256] COND FALSE !(s->state == 8641) [L1259] EXPR s->state VAL [={0:-9}, blastFlag=2, buf={0:-1}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=1, tmp___2=0, tmp___8=0] [L1259] COND TRUE s->state == 8656 [L1583] EXPR s->session [L1583] EXPR s->s3 [L1583] EXPR (s->s3)->tmp.new_cipher [L1583] (s->session)->cipher = (s->s3)->tmp.new_cipher [L1584] tmp___9 = __VERIFIER_nondet_int() [L1585] COND FALSE !(! tmp___9) [L1591] ret = __VERIFIER_nondet_int() [L1592] COND TRUE blastFlag == 2 [L1593] blastFlag = 5 VAL [={0:-9}, blastFlag=5, buf={0:-1}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=1, tmp___2=0, tmp___8=0, tmp___9=-14] [L1597] COND FALSE !(ret <= 0) [L1602] s->state = 8672 [L1603] s->init_num = 0 [L1604] tmp___10 = __VERIFIER_nondet_int() [L1605] COND FALSE !(! tmp___10) VAL [={0:-9}, blastFlag=5, buf={0:-1}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=1, tmp___10=15, tmp___2=0, tmp___8=0, tmp___9=-14] [L1696] EXPR s->s3 [L1696] EXPR (s->s3)->tmp.reuse_message VAL [={0:-9}, (s->s3)->tmp.reuse_message=18446744073709551640, blastFlag=5, buf={0:-1}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->s3={-18446744073709551617:0}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=1, tmp___10=15, tmp___2=0, tmp___8=0, tmp___9=-14] [L1696] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1725] skip = 0 VAL [={0:-9}, blastFlag=5, buf={0:-1}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=1, tmp___10=15, tmp___2=0, tmp___8=0, tmp___9=-14] [L1166] COND TRUE 1 VAL [={0:-9}, blastFlag=5, buf={0:-1}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=1, tmp___10=15, tmp___2=0, tmp___8=0, tmp___9=-14] [L1168] EXPR s->state [L1168] state = s->state [L1169] EXPR s->state VAL [={0:-9}, blastFlag=5, buf={0:-1}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=1, tmp___10=15, tmp___2=0, tmp___8=0, tmp___9=-14] [L1169] COND FALSE !(s->state == 12292) [L1172] EXPR s->state VAL [={0:-9}, blastFlag=5, buf={0:-1}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=1, tmp___10=15, tmp___2=0, tmp___8=0, tmp___9=-14] [L1172] COND FALSE !(s->state == 16384) [L1175] EXPR s->state VAL [={0:-9}, blastFlag=5, buf={0:-1}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=1, tmp___10=15, tmp___2=0, tmp___8=0, tmp___9=-14] [L1175] COND FALSE !(s->state == 8192) [L1178] EXPR s->state VAL [={0:-9}, blastFlag=5, buf={0:-1}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=1, tmp___10=15, tmp___2=0, tmp___8=0, tmp___9=-14] [L1178] COND FALSE !(s->state == 24576) [L1181] EXPR s->state VAL [={0:-9}, blastFlag=5, buf={0:-1}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=1, tmp___10=15, tmp___2=0, tmp___8=0, tmp___9=-14] [L1181] COND FALSE !(s->state == 8195) [L1184] EXPR s->state VAL [={0:-9}, blastFlag=5, buf={0:-1}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=1, tmp___10=15, tmp___2=0, tmp___8=0, tmp___9=-14] [L1184] COND FALSE !(s->state == 8480) [L1187] EXPR s->state VAL [={0:-9}, blastFlag=5, buf={0:-1}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=1, tmp___10=15, tmp___2=0, tmp___8=0, tmp___9=-14] [L1187] COND FALSE !(s->state == 8481) [L1190] EXPR s->state VAL [={0:-9}, blastFlag=5, buf={0:-1}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=1, tmp___10=15, tmp___2=0, tmp___8=0, tmp___9=-14] [L1190] COND FALSE !(s->state == 8482) [L1193] EXPR s->state VAL [={0:-9}, blastFlag=5, buf={0:-1}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=1, tmp___10=15, tmp___2=0, tmp___8=0, tmp___9=-14] [L1193] COND FALSE !(s->state == 8464) [L1196] EXPR s->state VAL [={0:-9}, blastFlag=5, buf={0:-1}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=1, tmp___10=15, tmp___2=0, tmp___8=0, tmp___9=-14] [L1196] COND FALSE !(s->state == 8465) [L1199] EXPR s->state VAL [={0:-9}, blastFlag=5, buf={0:-1}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=1, tmp___10=15, tmp___2=0, tmp___8=0, tmp___9=-14] [L1199] COND FALSE !(s->state == 8466) [L1202] EXPR s->state VAL [={0:-9}, blastFlag=5, buf={0:-1}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=1, tmp___10=15, tmp___2=0, tmp___8=0, tmp___9=-14] [L1202] COND FALSE !(s->state == 8496) [L1205] EXPR s->state VAL [={0:-9}, blastFlag=5, buf={0:-1}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=1, tmp___10=15, tmp___2=0, tmp___8=0, tmp___9=-14] [L1205] COND FALSE !(s->state == 8497) [L1208] EXPR s->state VAL [={0:-9}, blastFlag=5, buf={0:-1}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=1, tmp___10=15, tmp___2=0, tmp___8=0, tmp___9=-14] [L1208] COND FALSE !(s->state == 8512) [L1211] EXPR s->state VAL [={0:-9}, blastFlag=5, buf={0:-1}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=1, tmp___10=15, tmp___2=0, tmp___8=0, tmp___9=-14] [L1211] COND FALSE !(s->state == 8513) [L1214] EXPR s->state VAL [={0:-9}, blastFlag=5, buf={0:-1}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=1, tmp___10=15, tmp___2=0, tmp___8=0, tmp___9=-14] [L1214] COND FALSE !(s->state == 8528) [L1217] EXPR s->state VAL [={0:-9}, blastFlag=5, buf={0:-1}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=1, tmp___10=15, tmp___2=0, tmp___8=0, tmp___9=-14] [L1217] COND FALSE !(s->state == 8529) [L1220] EXPR s->state VAL [={0:-9}, blastFlag=5, buf={0:-1}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=1, tmp___10=15, tmp___2=0, tmp___8=0, tmp___9=-14] [L1220] COND FALSE !(s->state == 8544) [L1223] EXPR s->state VAL [={0:-9}, blastFlag=5, buf={0:-1}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=1, tmp___10=15, tmp___2=0, tmp___8=0, tmp___9=-14] [L1223] COND FALSE !(s->state == 8545) [L1226] EXPR s->state VAL [={0:-9}, blastFlag=5, buf={0:-1}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=1, tmp___10=15, tmp___2=0, tmp___8=0, tmp___9=-14] [L1226] COND FALSE !(s->state == 8560) [L1229] EXPR s->state VAL [={0:-9}, blastFlag=5, buf={0:-1}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=1, tmp___10=15, tmp___2=0, tmp___8=0, tmp___9=-14] [L1229] COND FALSE !(s->state == 8561) [L1232] EXPR s->state VAL [={0:-9}, blastFlag=5, buf={0:-1}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=1, tmp___10=15, tmp___2=0, tmp___8=0, tmp___9=-14] [L1232] COND FALSE !(s->state == 8448) [L1235] EXPR s->state VAL [={0:-9}, blastFlag=5, buf={0:-1}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=1, tmp___10=15, tmp___2=0, tmp___8=0, tmp___9=-14] [L1235] COND FALSE !(s->state == 8576) [L1238] EXPR s->state VAL [={0:-9}, blastFlag=5, buf={0:-1}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=1, tmp___10=15, tmp___2=0, tmp___8=0, tmp___9=-14] [L1238] COND FALSE !(s->state == 8577) [L1241] EXPR s->state VAL [={0:-9}, blastFlag=5, buf={0:-1}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=1, tmp___10=15, tmp___2=0, tmp___8=0, tmp___9=-14] [L1241] COND FALSE !(s->state == 8592) [L1244] EXPR s->state VAL [={0:-9}, blastFlag=5, buf={0:-1}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=1, tmp___10=15, tmp___2=0, tmp___8=0, tmp___9=-14] [L1244] COND FALSE !(s->state == 8593) [L1247] EXPR s->state VAL [={0:-9}, blastFlag=5, buf={0:-1}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=1, tmp___10=15, tmp___2=0, tmp___8=0, tmp___9=-14] [L1247] COND FALSE !(s->state == 8608) [L1250] EXPR s->state VAL [={0:-9}, blastFlag=5, buf={0:-1}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=1, tmp___10=15, tmp___2=0, tmp___8=0, tmp___9=-14] [L1250] COND FALSE !(s->state == 8609) [L1253] EXPR s->state VAL [={0:-9}, blastFlag=5, buf={0:-1}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=1, tmp___10=15, tmp___2=0, tmp___8=0, tmp___9=-14] [L1253] COND FALSE !(s->state == 8640) [L1256] EXPR s->state VAL [={0:-9}, blastFlag=5, buf={0:-1}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=1, tmp___10=15, tmp___2=0, tmp___8=0, tmp___9=-14] [L1256] COND FALSE !(s->state == 8641) [L1259] EXPR s->state VAL [={0:-9}, blastFlag=5, buf={0:-1}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=1, tmp___10=15, tmp___2=0, tmp___8=0, tmp___9=-14] [L1259] COND FALSE !(s->state == 8656) [L1262] EXPR s->state VAL [={0:-9}, blastFlag=5, buf={0:-1}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=1, tmp___10=15, tmp___2=0, tmp___8=0, tmp___9=-14] [L1262] COND FALSE !(s->state == 8657) [L1265] EXPR s->state VAL [={0:-9}, blastFlag=5, buf={0:-1}, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=1, tmp___10=15, tmp___2=0, tmp___8=0, tmp___9=-14] [L1265] COND TRUE s->state == 8672 [L1614] ret = __VERIFIER_nondet_int() [L1615] COND FALSE !(blastFlag == 4) VAL [={0:-9}, blastFlag=5, buf={0:-1}, got_new_session=1, init=1, ret=0, s={-7:0}, s={-7:0}, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=1, tmp___10=15, tmp___2=0, tmp___8=0, tmp___9=-14] [L1618] COND TRUE blastFlag == 5 VAL [={0:-9}, blastFlag=5, buf={0:-1}, got_new_session=1, init=1, ret=0, s={-7:0}, s={-7:0}, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=1, tmp___10=15, tmp___2=0, tmp___8=0, tmp___9=-14] [L1737] reach_error() VAL [={0:-9}, blastFlag=5, buf={0:-1}, got_new_session=1, init=1, ret=0, s={-7:0}, s={-7:0}, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=1, tmp___10=15, tmp___2=0, tmp___8=0, tmp___9=-14] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 155 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 99.5s, OverallIterations: 32, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 94.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 38 mSolverCounterUnknown, 1952 SdHoareTripleChecker+Valid, 93.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1952 mSDsluCounter, 14479 SdHoareTripleChecker+Invalid, 91.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8731 mSDsCounter, 631 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12505 IncrementalHoareTripleChecker+Invalid, 13174 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 631 mSolverCounterUnsat, 5748 mSDtfsCounter, 12505 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 235 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 121 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=630occurred in iteration=29, InterpolantAutomatonStates: 155, 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, 31 MinimizatonAttempts, 1058 StatesRemovedByMinimization, 25 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 2900 NumberOfCodeBlocks, 2900 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 2736 ConstructedInterpolants, 0 QuantifiedInterpolants, 6825 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 31 InterpolantComputations, 31 PerfectInterpolantSequences, 1253/1253 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-03-19 01:49:28,249 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...