/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-simplified/s3_srvr_3.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-34549b5 [2022-04-06 13:39:46,427 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-06 13:39:46,429 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-06 13:39:46,477 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-06 13:39:46,478 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-06 13:39:46,479 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-06 13:39:46,482 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-06 13:39:46,484 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-06 13:39:46,486 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-06 13:39:46,492 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-06 13:39:46,493 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-06 13:39:46,494 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-06 13:39:46,494 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-06 13:39:46,496 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-06 13:39:46,497 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-06 13:39:46,500 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-06 13:39:46,501 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-06 13:39:46,502 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-06 13:39:46,504 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-06 13:39:46,508 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-06 13:39:46,509 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-06 13:39:46,512 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-06 13:39:46,512 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-06 13:39:46,513 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-06 13:39:46,514 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-06 13:39:46,518 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-06 13:39:46,518 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-06 13:39:46,519 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-06 13:39:46,519 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-06 13:39:46,520 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-06 13:39:46,521 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-06 13:39:46,521 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-06 13:39:46,523 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-06 13:39:46,523 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-06 13:39:46,524 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-06 13:39:46,524 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-06 13:39:46,525 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-06 13:39:46,525 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-06 13:39:46,525 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-06 13:39:46,525 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-06 13:39:46,526 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-06 13:39:46,527 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-06 13:39:46,528 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/loopacceleration/qvasr/qvasr_64.epf [2022-04-06 13:39:46,560 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-06 13:39:46,561 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-06 13:39:46,561 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-06 13:39:46,562 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-06 13:39:46,562 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-04-06 13:39:46,563 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-04-06 13:39:46,563 INFO L138 SettingsManager]: * Use SBE=true [2022-04-06 13:39:46,563 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-06 13:39:46,563 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-06 13:39:46,564 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-06 13:39:46,564 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-06 13:39:46,564 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-06 13:39:46,564 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-06 13:39:46,564 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-06 13:39:46,564 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-06 13:39:46,565 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-06 13:39:46,565 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-06 13:39:46,565 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-06 13:39:46,565 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-06 13:39:46,565 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-06 13:39:46,565 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-06 13:39:46,565 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-06 13:39:46,566 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-06 13:39:46,566 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-06 13:39:46,566 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-06 13:39:46,566 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-06 13:39:46,566 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-04-06 13:39:46,566 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-04-06 13:39:46,568 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-04-06 13:39:46,568 INFO L138 SettingsManager]: * TransformationType=LOOP_ACCELERATION_QVASR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-06 13:39:46,815 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-06 13:39:46,836 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-06 13:39:46,840 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-06 13:39:46,841 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-06 13:39:46,841 INFO L275 PluginConnector]: CDTParser initialized [2022-04-06 13:39:46,842 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/openssl-simplified/s3_srvr_3.cil.c [2022-04-06 13:39:46,894 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/950f5a6ad/0bbbd76a516247b1b000eaa3dd275127/FLAG19ea468a2 [2022-04-06 13:39:47,273 INFO L306 CDTParser]: Found 1 translation units. [2022-04-06 13:39:47,273 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/openssl-simplified/s3_srvr_3.cil.c [2022-04-06 13:39:47,282 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/950f5a6ad/0bbbd76a516247b1b000eaa3dd275127/FLAG19ea468a2 [2022-04-06 13:39:47,295 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/950f5a6ad/0bbbd76a516247b1b000eaa3dd275127 [2022-04-06 13:39:47,297 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-06 13:39:47,298 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-04-06 13:39:47,299 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-06 13:39:47,300 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-06 13:39:47,302 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-06 13:39:47,303 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.04 01:39:47" (1/1) ... [2022-04-06 13:39:47,304 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1013ff16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 01:39:47, skipping insertion in model container [2022-04-06 13:39:47,304 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.04 01:39:47" (1/1) ... [2022-04-06 13:39:47,323 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-06 13:39:47,359 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-06 13:39:47,587 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-simplified/s3_srvr_3.cil.c[42783,42796] [2022-04-06 13:39:47,600 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-06 13:39:47,606 INFO L203 MainTranslator]: Completed pre-run [2022-04-06 13:39:47,648 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-simplified/s3_srvr_3.cil.c[42783,42796] [2022-04-06 13:39:47,651 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-06 13:39:47,668 INFO L208 MainTranslator]: Completed translation [2022-04-06 13:39:47,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 01:39:47 WrapperNode [2022-04-06 13:39:47,669 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-06 13:39:47,670 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-06 13:39:47,670 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-06 13:39:47,670 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-06 13:39:47,680 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 01:39:47" (1/1) ... [2022-04-06 13:39:47,680 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 01:39:47" (1/1) ... [2022-04-06 13:39:47,693 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 01:39:47" (1/1) ... [2022-04-06 13:39:47,693 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 01:39:47" (1/1) ... [2022-04-06 13:39:47,703 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 01:39:47" (1/1) ... [2022-04-06 13:39:47,712 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 01:39:47" (1/1) ... [2022-04-06 13:39:47,714 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 01:39:47" (1/1) ... [2022-04-06 13:39:47,718 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-06 13:39:47,719 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-06 13:39:47,719 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-06 13:39:47,720 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-06 13:39:47,720 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 01:39:47" (1/1) ... [2022-04-06 13:39:47,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-06 13:39:47,744 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-06 13:39:47,754 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-04-06 13:39:47,755 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-04-06 13:39:47,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-04-06 13:39:47,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-06 13:39:47,784 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-04-06 13:39:47,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_accept [2022-04-06 13:39:47,784 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-04-06 13:39:47,784 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-04-06 13:39:47,784 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-04-06 13:39:47,784 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-04-06 13:39:47,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-06 13:39:47,785 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2022-04-06 13:39:47,785 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-04-06 13:39:47,785 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2022-04-06 13:39:47,786 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_accept [2022-04-06 13:39:47,786 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-04-06 13:39:47,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-04-06 13:39:47,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-06 13:39:47,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-06 13:39:47,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-06 13:39:47,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-06 13:39:47,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-06 13:39:47,872 INFO L234 CfgBuilder]: Building ICFG [2022-04-06 13:39:47,874 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-06 13:39:47,938 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-04-06 13:39:48,314 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2022-04-06 13:39:48,314 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2022-04-06 13:39:48,327 INFO L275 CfgBuilder]: Performing block encoding [2022-04-06 13:39:48,337 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-06 13:39:48,337 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-04-06 13:39:48,339 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 01:39:48 BoogieIcfgContainer [2022-04-06 13:39:48,339 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-06 13:39:48,340 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-04-06 13:39:48,340 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-04-06 13:39:48,346 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-04-06 13:39:48,349 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 01:39:48" (1/1) ... [2022-04-06 13:39:48,351 INFO L168 ansformationObserver]: Applying ICFG transformation LOOP_ACCELERATION_QVASR [2022-04-06 13:39:48,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 06.04 01:39:48 BasicIcfg [2022-04-06 13:39:48,406 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-04-06 13:39:48,408 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-06 13:39:48,409 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-06 13:39:48,411 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-06 13:39:48,411 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.04 01:39:47" (1/4) ... [2022-04-06 13:39:48,412 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6746cd8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.04 01:39:48, skipping insertion in model container [2022-04-06 13:39:48,413 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 01:39:47" (2/4) ... [2022-04-06 13:39:48,413 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6746cd8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.04 01:39:48, skipping insertion in model container [2022-04-06 13:39:48,413 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 01:39:48" (3/4) ... [2022-04-06 13:39:48,413 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6746cd8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.04 01:39:48, skipping insertion in model container [2022-04-06 13:39:48,414 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 06.04 01:39:48" (4/4) ... [2022-04-06 13:39:48,415 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr_3.cil.cqvasr [2022-04-06 13:39:48,420 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-04-06 13:39:48,420 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-04-06 13:39:48,466 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-06 13:39:48,471 INFO L340 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP [2022-04-06 13:39:48,472 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-04-06 13:39:48,489 INFO L276 IsEmpty]: Start isEmpty. Operand has 150 states, 142 states have (on average 1.7112676056338028) internal successors, (243), 143 states have internal predecessors, (243), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-06 13:39:48,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-04-06 13:39:48,498 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:39:48,498 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 13:39:48,499 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:39:48,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:39:48,506 INFO L85 PathProgramCache]: Analyzing trace with hash 1236908682, now seen corresponding path program 1 times [2022-04-06 13:39:48,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:39:48,514 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343943241] [2022-04-06 13:39:48,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:39:48,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:39:48,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:39:48,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:39:48,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:39:48,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 13:39:48,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:39:48,817 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343943241] [2022-04-06 13:39:48,818 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343943241] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:39:48,818 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:39:48,818 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 13:39:48,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279079637] [2022-04-06 13:39:48,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:39:48,824 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 13:39:48,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:39:48,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 13:39:48,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 13:39:48,848 INFO L87 Difference]: Start difference. First operand has 150 states, 142 states have (on average 1.7112676056338028) internal successors, (243), 143 states have internal predecessors, (243), 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 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:39:49,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:39:49,293 INFO L93 Difference]: Finished difference Result 414 states and 701 transitions. [2022-04-06 13:39:49,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 13:39:49,296 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (3), 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 50 [2022-04-06 13:39:49,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:39:49,310 INFO L225 Difference]: With dead ends: 414 [2022-04-06 13:39:49,310 INFO L226 Difference]: Without dead ends: 251 [2022-04-06 13:39:49,315 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-06 13:39:49,318 INFO L913 BasicCegarLoop]: 240 mSDtfsCounter, 634 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 636 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-04-06 13:39:49,319 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [636 Valid, 249 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 236 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-04-06 13:39:49,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2022-04-06 13:39:49,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 251. [2022-04-06 13:39:49,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 246 states have (on average 1.524390243902439) internal successors, (375), 246 states have internal predecessors, (375), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:39:49,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 379 transitions. [2022-04-06 13:39:49,380 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 379 transitions. Word has length 50 [2022-04-06 13:39:49,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:39:49,380 INFO L478 AbstractCegarLoop]: Abstraction has 251 states and 379 transitions. [2022-04-06 13:39:49,381 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:39:49,381 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 379 transitions. [2022-04-06 13:39:49,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-04-06 13:39:49,384 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:39:49,384 INFO L499 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 13:39:49,385 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-06 13:39:49,385 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:39:49,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:39:49,386 INFO L85 PathProgramCache]: Analyzing trace with hash 1031993496, now seen corresponding path program 1 times [2022-04-06 13:39:49,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:39:49,386 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238258565] [2022-04-06 13:39:49,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:39:49,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:39:49,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:39:49,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:39:49,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:39:49,464 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 13:39:49,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:39:49,464 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238258565] [2022-04-06 13:39:49,465 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [238258565] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:39:49,465 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:39:49,465 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 13:39:49,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140184608] [2022-04-06 13:39:49,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:39:49,466 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 13:39:49,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:39:49,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 13:39:49,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 13:39:49,467 INFO L87 Difference]: Start difference. First operand 251 states and 379 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:39:49,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:39:49,717 INFO L93 Difference]: Finished difference Result 400 states and 612 transitions. [2022-04-06 13:39:49,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 13:39:49,718 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 66 [2022-04-06 13:39:49,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:39:49,720 INFO L225 Difference]: With dead ends: 400 [2022-04-06 13:39:49,720 INFO L226 Difference]: Without dead ends: 280 [2022-04-06 13:39:49,721 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-06 13:39:49,722 INFO L913 BasicCegarLoop]: 213 mSDtfsCounter, 215 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 211 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-06 13:39:49,723 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [215 Valid, 220 Invalid, 226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 211 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-06 13:39:49,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2022-04-06 13:39:49,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 272. [2022-04-06 13:39:49,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 267 states have (on average 1.5018726591760299) internal successors, (401), 267 states have internal predecessors, (401), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:39:49,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 405 transitions. [2022-04-06 13:39:49,740 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 405 transitions. Word has length 66 [2022-04-06 13:39:49,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:39:49,740 INFO L478 AbstractCegarLoop]: Abstraction has 272 states and 405 transitions. [2022-04-06 13:39:49,741 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:39:49,741 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 405 transitions. [2022-04-06 13:39:49,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-04-06 13:39:49,744 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:39:49,744 INFO L499 BasicCegarLoop]: trace histogram [3, 3, 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] [2022-04-06 13:39:49,744 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-04-06 13:39:49,744 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:39:49,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:39:49,745 INFO L85 PathProgramCache]: Analyzing trace with hash -1138429839, now seen corresponding path program 1 times [2022-04-06 13:39:49,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:39:49,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227567601] [2022-04-06 13:39:49,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:39:49,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:39:49,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:39:49,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:39:49,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:39:49,830 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-04-06 13:39:49,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:39:49,830 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227567601] [2022-04-06 13:39:49,830 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227567601] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:39:49,830 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:39:49,831 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 13:39:49,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296424532] [2022-04-06 13:39:49,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:39:49,831 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 13:39:49,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:39:49,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 13:39:49,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 13:39:49,832 INFO L87 Difference]: Start difference. First operand 272 states and 405 transitions. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:39:50,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:39:50,112 INFO L93 Difference]: Finished difference Result 622 states and 957 transitions. [2022-04-06 13:39:50,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 13:39:50,112 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 87 [2022-04-06 13:39:50,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:39:50,117 INFO L225 Difference]: With dead ends: 622 [2022-04-06 13:39:50,117 INFO L226 Difference]: Without dead ends: 364 [2022-04-06 13:39:50,122 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-06 13:39:50,128 INFO L913 BasicCegarLoop]: 214 mSDtfsCounter, 216 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-06 13:39:50,129 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [216 Valid, 221 Invalid, 264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 229 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-06 13:39:50,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2022-04-06 13:39:50,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 356. [2022-04-06 13:39:50,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 356 states, 351 states have (on average 1.4102564102564104) internal successors, (495), 351 states have internal predecessors, (495), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:39:50,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 499 transitions. [2022-04-06 13:39:50,161 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 499 transitions. Word has length 87 [2022-04-06 13:39:50,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:39:50,162 INFO L478 AbstractCegarLoop]: Abstraction has 356 states and 499 transitions. [2022-04-06 13:39:50,162 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:39:50,162 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 499 transitions. [2022-04-06 13:39:50,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-04-06 13:39:50,168 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:39:50,169 INFO L499 BasicCegarLoop]: trace histogram [3, 3, 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] [2022-04-06 13:39:50,169 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-04-06 13:39:50,170 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:39:50,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:39:50,171 INFO L85 PathProgramCache]: Analyzing trace with hash -1014356592, now seen corresponding path program 1 times [2022-04-06 13:39:50,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:39:50,172 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652022252] [2022-04-06 13:39:50,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:39:50,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:39:50,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:39:50,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:39:50,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:39:50,255 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-04-06 13:39:50,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:39:50,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652022252] [2022-04-06 13:39:50,256 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [652022252] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:39:50,256 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:39:50,256 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 13:39:50,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51243912] [2022-04-06 13:39:50,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:39:50,257 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 13:39:50,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:39:50,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 13:39:50,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 13:39:50,258 INFO L87 Difference]: Start difference. First operand 356 states and 499 transitions. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:39:50,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:39:50,498 INFO L93 Difference]: Finished difference Result 752 states and 1074 transitions. [2022-04-06 13:39:50,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 13:39:50,498 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 87 [2022-04-06 13:39:50,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:39:50,502 INFO L225 Difference]: With dead ends: 752 [2022-04-06 13:39:50,502 INFO L226 Difference]: Without dead ends: 410 [2022-04-06 13:39:50,503 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-06 13:39:50,513 INFO L913 BasicCegarLoop]: 214 mSDtfsCounter, 214 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-06 13:39:50,515 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [214 Valid, 221 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-06 13:39:50,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2022-04-06 13:39:50,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 402. [2022-04-06 13:39:50,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 402 states, 397 states have (on average 1.3879093198992443) internal successors, (551), 397 states have internal predecessors, (551), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:39:50,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 555 transitions. [2022-04-06 13:39:50,539 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 555 transitions. Word has length 87 [2022-04-06 13:39:50,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:39:50,540 INFO L478 AbstractCegarLoop]: Abstraction has 402 states and 555 transitions. [2022-04-06 13:39:50,540 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:39:50,540 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 555 transitions. [2022-04-06 13:39:50,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-04-06 13:39:50,542 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:39:50,542 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-04-06 13:39:50,543 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-04-06 13:39:50,543 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:39:50,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:39:50,544 INFO L85 PathProgramCache]: Analyzing trace with hash 1398536152, now seen corresponding path program 1 times [2022-04-06 13:39:50,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:39:50,545 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795916115] [2022-04-06 13:39:50,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:39:50,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:39:50,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:39:50,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:39:50,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:39:50,612 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-04-06 13:39:50,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:39:50,612 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795916115] [2022-04-06 13:39:50,612 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795916115] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:39:50,613 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:39:50,613 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 13:39:50,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114461917] [2022-04-06 13:39:50,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:39:50,613 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 13:39:50,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:39:50,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 13:39:50,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 13:39:50,614 INFO L87 Difference]: Start difference. First operand 402 states and 555 transitions. Second operand has 4 states, 4 states have (on average 19.75) internal successors, (79), 3 states have internal predecessors, (79), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:39:50,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:39:50,867 INFO L93 Difference]: Finished difference Result 866 states and 1226 transitions. [2022-04-06 13:39:50,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 13:39:50,868 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 3 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 108 [2022-04-06 13:39:50,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:39:50,871 INFO L225 Difference]: With dead ends: 866 [2022-04-06 13:39:50,871 INFO L226 Difference]: Without dead ends: 478 [2022-04-06 13:39:50,872 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-06 13:39:50,873 INFO L913 BasicCegarLoop]: 213 mSDtfsCounter, 246 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-06 13:39:50,874 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [246 Valid, 220 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-06 13:39:50,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478 states. [2022-04-06 13:39:50,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478 to 452. [2022-04-06 13:39:50,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 452 states, 447 states have (on average 1.366890380313199) internal successors, (611), 447 states have internal predecessors, (611), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:39:50,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 615 transitions. [2022-04-06 13:39:50,889 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 615 transitions. Word has length 108 [2022-04-06 13:39:50,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:39:50,890 INFO L478 AbstractCegarLoop]: Abstraction has 452 states and 615 transitions. [2022-04-06 13:39:50,891 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 3 states have internal predecessors, (79), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:39:50,891 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 615 transitions. [2022-04-06 13:39:50,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-04-06 13:39:50,892 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:39:50,893 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-04-06 13:39:50,893 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-04-06 13:39:50,893 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:39:50,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:39:50,894 INFO L85 PathProgramCache]: Analyzing trace with hash -908571326, now seen corresponding path program 1 times [2022-04-06 13:39:50,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:39:50,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128826526] [2022-04-06 13:39:50,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:39:50,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:39:50,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:39:50,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:39:50,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:39:50,992 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-04-06 13:39:50,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:39:50,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128826526] [2022-04-06 13:39:50,993 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128826526] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:39:50,993 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:39:50,993 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 13:39:50,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496849553] [2022-04-06 13:39:50,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:39:50,994 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 13:39:50,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:39:50,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 13:39:50,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 13:39:50,995 INFO L87 Difference]: Start difference. First operand 452 states and 615 transitions. Second operand has 4 states, 4 states have (on average 24.5) internal successors, (98), 3 states have internal predecessors, (98), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:39:51,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:39:51,204 INFO L93 Difference]: Finished difference Result 908 states and 1239 transitions. [2022-04-06 13:39:51,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 13:39:51,205 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.5) internal successors, (98), 3 states have internal predecessors, (98), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 127 [2022-04-06 13:39:51,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:39:51,208 INFO L225 Difference]: With dead ends: 908 [2022-04-06 13:39:51,209 INFO L226 Difference]: Without dead ends: 677 [2022-04-06 13:39:51,209 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-06 13:39:51,211 INFO L913 BasicCegarLoop]: 369 mSDtfsCounter, 330 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 330 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-06 13:39:51,211 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [330 Valid, 376 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-06 13:39:51,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 677 states. [2022-04-06 13:39:51,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 677 to 677. [2022-04-06 13:39:51,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 677 states, 672 states have (on average 1.3616071428571428) internal successors, (915), 672 states have internal predecessors, (915), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:39:51,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 677 states and 919 transitions. [2022-04-06 13:39:51,231 INFO L78 Accepts]: Start accepts. Automaton has 677 states and 919 transitions. Word has length 127 [2022-04-06 13:39:51,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:39:51,231 INFO L478 AbstractCegarLoop]: Abstraction has 677 states and 919 transitions. [2022-04-06 13:39:51,232 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.5) internal successors, (98), 3 states have internal predecessors, (98), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:39:51,232 INFO L276 IsEmpty]: Start isEmpty. Operand 677 states and 919 transitions. [2022-04-06 13:39:51,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-04-06 13:39:51,234 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:39:51,234 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-04-06 13:39:51,234 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-04-06 13:39:51,234 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:39:51,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:39:51,235 INFO L85 PathProgramCache]: Analyzing trace with hash -1357267965, now seen corresponding path program 1 times [2022-04-06 13:39:51,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:39:51,235 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009053203] [2022-04-06 13:39:51,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:39:51,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:39:51,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:39:51,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:39:51,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:39:51,313 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-04-06 13:39:51,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:39:51,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009053203] [2022-04-06 13:39:51,314 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1009053203] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:39:51,314 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:39:51,314 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 13:39:51,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560016055] [2022-04-06 13:39:51,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:39:51,315 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 13:39:51,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:39:51,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 13:39:51,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 13:39:51,316 INFO L87 Difference]: Start difference. First operand 677 states and 919 transitions. Second operand has 4 states, 4 states have (on average 28.25) internal successors, (113), 3 states have internal predecessors, (113), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:39:51,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:39:51,529 INFO L93 Difference]: Finished difference Result 1360 states and 1850 transitions. [2022-04-06 13:39:51,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 13:39:51,530 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.25) internal successors, (113), 3 states have internal predecessors, (113), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 127 [2022-04-06 13:39:51,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:39:51,534 INFO L225 Difference]: With dead ends: 1360 [2022-04-06 13:39:51,534 INFO L226 Difference]: Without dead ends: 904 [2022-04-06 13:39:51,536 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-06 13:39:51,537 INFO L913 BasicCegarLoop]: 372 mSDtfsCounter, 331 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 331 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-06 13:39:51,537 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [331 Valid, 379 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-06 13:39:51,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 904 states. [2022-04-06 13:39:51,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 904 to 904. [2022-04-06 13:39:51,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 904 states, 899 states have (on average 1.3592880978865407) internal successors, (1222), 899 states have internal predecessors, (1222), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:39:51,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 904 states to 904 states and 1226 transitions. [2022-04-06 13:39:51,561 INFO L78 Accepts]: Start accepts. Automaton has 904 states and 1226 transitions. Word has length 127 [2022-04-06 13:39:51,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:39:51,562 INFO L478 AbstractCegarLoop]: Abstraction has 904 states and 1226 transitions. [2022-04-06 13:39:51,562 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.25) internal successors, (113), 3 states have internal predecessors, (113), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:39:51,562 INFO L276 IsEmpty]: Start isEmpty. Operand 904 states and 1226 transitions. [2022-04-06 13:39:51,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-04-06 13:39:51,565 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:39:51,565 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-04-06 13:39:51,565 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-04-06 13:39:51,566 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:39:51,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:39:51,566 INFO L85 PathProgramCache]: Analyzing trace with hash -149349790, now seen corresponding path program 1 times [2022-04-06 13:39:51,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:39:51,566 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185151573] [2022-04-06 13:39:51,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:39:51,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:39:51,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:39:51,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:39:51,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:39:51,606 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2022-04-06 13:39:51,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:39:51,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185151573] [2022-04-06 13:39:51,607 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185151573] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:39:51,607 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:39:51,607 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 13:39:51,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614631166] [2022-04-06 13:39:51,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:39:51,608 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 13:39:51,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:39:51,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 13:39:51,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 13:39:51,609 INFO L87 Difference]: Start difference. First operand 904 states and 1226 transitions. Second operand has 4 states, 4 states have (on average 22.25) internal successors, (89), 3 states have internal predecessors, (89), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:39:51,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:39:51,820 INFO L93 Difference]: Finished difference Result 1611 states and 2182 transitions. [2022-04-06 13:39:51,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 13:39:51,820 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 3 states have internal predecessors, (89), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 127 [2022-04-06 13:39:51,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:39:51,824 INFO L225 Difference]: With dead ends: 1611 [2022-04-06 13:39:51,824 INFO L226 Difference]: Without dead ends: 928 [2022-04-06 13:39:51,826 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-06 13:39:51,827 INFO L913 BasicCegarLoop]: 228 mSDtfsCounter, 207 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 235 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-06 13:39:51,827 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [207 Valid, 235 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-06 13:39:51,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 928 states. [2022-04-06 13:39:51,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 928 to 928. [2022-04-06 13:39:51,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 928 states, 923 states have (on average 1.3553629469122428) internal successors, (1251), 923 states have internal predecessors, (1251), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:39:51,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 928 states to 928 states and 1255 transitions. [2022-04-06 13:39:51,868 INFO L78 Accepts]: Start accepts. Automaton has 928 states and 1255 transitions. Word has length 127 [2022-04-06 13:39:51,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:39:51,868 INFO L478 AbstractCegarLoop]: Abstraction has 928 states and 1255 transitions. [2022-04-06 13:39:51,868 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 3 states have internal predecessors, (89), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:39:51,868 INFO L276 IsEmpty]: Start isEmpty. Operand 928 states and 1255 transitions. [2022-04-06 13:39:51,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-04-06 13:39:51,871 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:39:51,871 INFO L499 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 13:39:51,872 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-04-06 13:39:51,872 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:39:51,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:39:51,872 INFO L85 PathProgramCache]: Analyzing trace with hash -718470609, now seen corresponding path program 1 times [2022-04-06 13:39:51,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:39:51,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840451883] [2022-04-06 13:39:51,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:39:51,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:39:51,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:39:51,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:39:51,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:39:51,939 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-04-06 13:39:51,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:39:51,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840451883] [2022-04-06 13:39:51,940 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [840451883] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:39:51,940 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:39:51,940 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 13:39:51,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062966219] [2022-04-06 13:39:51,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:39:51,941 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 13:39:51,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:39:51,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 13:39:51,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 13:39:51,942 INFO L87 Difference]: Start difference. First operand 928 states and 1255 transitions. Second operand has 4 states, 4 states have (on average 34.0) internal successors, (136), 3 states have internal predecessors, (136), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:39:52,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:39:52,164 INFO L93 Difference]: Finished difference Result 2011 states and 2787 transitions. [2022-04-06 13:39:52,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 13:39:52,165 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.0) internal successors, (136), 3 states have internal predecessors, (136), 1 states have call successors, (3), 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 165 [2022-04-06 13:39:52,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:39:52,169 INFO L225 Difference]: With dead ends: 2011 [2022-04-06 13:39:52,170 INFO L226 Difference]: Without dead ends: 1097 [2022-04-06 13:39:52,172 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-06 13:39:52,174 INFO L913 BasicCegarLoop]: 211 mSDtfsCounter, 238 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-06 13:39:52,174 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [238 Valid, 218 Invalid, 266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 229 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-06 13:39:52,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1097 states. [2022-04-06 13:39:52,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1097 to 1051. [2022-04-06 13:39:52,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1051 states, 1046 states have (on average 1.3365200764818355) internal successors, (1398), 1046 states have internal predecessors, (1398), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:39:52,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1051 states to 1051 states and 1402 transitions. [2022-04-06 13:39:52,198 INFO L78 Accepts]: Start accepts. Automaton has 1051 states and 1402 transitions. Word has length 165 [2022-04-06 13:39:52,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:39:52,198 INFO L478 AbstractCegarLoop]: Abstraction has 1051 states and 1402 transitions. [2022-04-06 13:39:52,199 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.0) internal successors, (136), 3 states have internal predecessors, (136), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:39:52,199 INFO L276 IsEmpty]: Start isEmpty. Operand 1051 states and 1402 transitions. [2022-04-06 13:39:52,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2022-04-06 13:39:52,202 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:39:52,202 INFO L499 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 13:39:52,202 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-04-06 13:39:52,202 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:39:52,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:39:52,203 INFO L85 PathProgramCache]: Analyzing trace with hash 660571069, now seen corresponding path program 1 times [2022-04-06 13:39:52,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:39:52,203 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435402364] [2022-04-06 13:39:52,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:39:52,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:39:52,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:39:52,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:39:52,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:39:52,268 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2022-04-06 13:39:52,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:39:52,268 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435402364] [2022-04-06 13:39:52,268 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435402364] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:39:52,268 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:39:52,268 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 13:39:52,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826009647] [2022-04-06 13:39:52,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:39:52,269 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 13:39:52,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:39:52,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 13:39:52,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 13:39:52,270 INFO L87 Difference]: Start difference. First operand 1051 states and 1402 transitions. Second operand has 4 states, 4 states have (on average 29.25) internal successors, (117), 3 states have internal predecessors, (117), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:39:52,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:39:52,450 INFO L93 Difference]: Finished difference Result 2314 states and 3176 transitions. [2022-04-06 13:39:52,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 13:39:52,451 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.25) internal successors, (117), 3 states have internal predecessors, (117), 1 states have call successors, (3), 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 178 [2022-04-06 13:39:52,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:39:52,456 INFO L225 Difference]: With dead ends: 2314 [2022-04-06 13:39:52,456 INFO L226 Difference]: Without dead ends: 1273 [2022-04-06 13:39:52,458 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-06 13:39:52,459 INFO L913 BasicCegarLoop]: 212 mSDtfsCounter, 332 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 332 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-06 13:39:52,460 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [332 Valid, 219 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-06 13:39:52,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1273 states. [2022-04-06 13:39:52,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1273 to 1255. [2022-04-06 13:39:52,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1255 states, 1250 states have (on average 1.3896) internal successors, (1737), 1250 states have internal predecessors, (1737), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:39:52,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1741 transitions. [2022-04-06 13:39:52,492 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1741 transitions. Word has length 178 [2022-04-06 13:39:52,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:39:52,493 INFO L478 AbstractCegarLoop]: Abstraction has 1255 states and 1741 transitions. [2022-04-06 13:39:52,493 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.25) internal successors, (117), 3 states have internal predecessors, (117), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:39:52,493 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1741 transitions. [2022-04-06 13:39:52,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2022-04-06 13:39:52,496 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:39:52,497 INFO L499 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 13:39:52,497 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-04-06 13:39:52,497 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:39:52,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:39:52,499 INFO L85 PathProgramCache]: Analyzing trace with hash 1568087176, now seen corresponding path program 1 times [2022-04-06 13:39:52,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:39:52,501 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675200818] [2022-04-06 13:39:52,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:39:52,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:39:52,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:39:52,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:39:52,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:39:52,581 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 220 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2022-04-06 13:39:52,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:39:52,581 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675200818] [2022-04-06 13:39:52,583 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1675200818] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:39:52,583 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:39:52,583 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 13:39:52,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328412616] [2022-04-06 13:39:52,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:39:52,583 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 13:39:52,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:39:52,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 13:39:52,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 13:39:52,584 INFO L87 Difference]: Start difference. First operand 1255 states and 1741 transitions. Second operand has 4 states, 4 states have (on average 34.5) internal successors, (138), 3 states have internal predecessors, (138), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:39:52,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:39:52,825 INFO L93 Difference]: Finished difference Result 2620 states and 3684 transitions. [2022-04-06 13:39:52,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 13:39:52,826 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.5) internal successors, (138), 3 states have internal predecessors, (138), 1 states have call successors, (3), 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 207 [2022-04-06 13:39:52,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:39:52,831 INFO L225 Difference]: With dead ends: 2620 [2022-04-06 13:39:52,832 INFO L226 Difference]: Without dead ends: 1379 [2022-04-06 13:39:52,834 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-06 13:39:52,835 INFO L913 BasicCegarLoop]: 201 mSDtfsCounter, 220 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-06 13:39:52,835 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [220 Valid, 208 Invalid, 238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 212 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-06 13:39:52,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1379 states. [2022-04-06 13:39:52,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1379 to 1379. [2022-04-06 13:39:52,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1379 states, 1374 states have (on average 1.3689956331877728) internal successors, (1881), 1374 states have internal predecessors, (1881), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:39:52,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1379 states to 1379 states and 1885 transitions. [2022-04-06 13:39:52,874 INFO L78 Accepts]: Start accepts. Automaton has 1379 states and 1885 transitions. Word has length 207 [2022-04-06 13:39:52,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:39:52,874 INFO L478 AbstractCegarLoop]: Abstraction has 1379 states and 1885 transitions. [2022-04-06 13:39:52,874 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.5) internal successors, (138), 3 states have internal predecessors, (138), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:39:52,874 INFO L276 IsEmpty]: Start isEmpty. Operand 1379 states and 1885 transitions. [2022-04-06 13:39:52,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2022-04-06 13:39:52,879 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:39:52,879 INFO L499 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 13:39:52,879 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-04-06 13:39:52,879 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:39:52,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:39:52,880 INFO L85 PathProgramCache]: Analyzing trace with hash 479418076, now seen corresponding path program 1 times [2022-04-06 13:39:52,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:39:52,880 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697767329] [2022-04-06 13:39:52,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:39:52,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:39:52,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:39:52,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:39:52,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:39:52,948 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2022-04-06 13:39:52,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:39:52,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697767329] [2022-04-06 13:39:52,949 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697767329] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:39:52,949 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:39:52,949 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 13:39:52,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155225071] [2022-04-06 13:39:52,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:39:52,950 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 13:39:52,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:39:52,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 13:39:52,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 13:39:52,950 INFO L87 Difference]: Start difference. First operand 1379 states and 1885 transitions. Second operand has 4 states, 4 states have (on average 28.75) internal successors, (115), 3 states have internal predecessors, (115), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:39:53,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:39:53,193 INFO L93 Difference]: Finished difference Result 2912 states and 4056 transitions. [2022-04-06 13:39:53,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 13:39:53,194 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.75) internal successors, (115), 3 states have internal predecessors, (115), 1 states have call successors, (3), 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 235 [2022-04-06 13:39:53,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:39:53,199 INFO L225 Difference]: With dead ends: 2912 [2022-04-06 13:39:53,200 INFO L226 Difference]: Without dead ends: 1372 [2022-04-06 13:39:53,202 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-06 13:39:53,204 INFO L913 BasicCegarLoop]: 213 mSDtfsCounter, 206 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-06 13:39:53,204 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [206 Valid, 220 Invalid, 264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-06 13:39:53,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1372 states. [2022-04-06 13:39:53,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1372 to 1372. [2022-04-06 13:39:53,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1372 states, 1367 states have (on average 1.3628383321141184) internal successors, (1863), 1367 states have internal predecessors, (1863), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:39:53,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1372 states to 1372 states and 1867 transitions. [2022-04-06 13:39:53,240 INFO L78 Accepts]: Start accepts. Automaton has 1372 states and 1867 transitions. Word has length 235 [2022-04-06 13:39:53,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:39:53,241 INFO L478 AbstractCegarLoop]: Abstraction has 1372 states and 1867 transitions. [2022-04-06 13:39:53,241 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.75) internal successors, (115), 3 states have internal predecessors, (115), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:39:53,241 INFO L276 IsEmpty]: Start isEmpty. Operand 1372 states and 1867 transitions. [2022-04-06 13:39:53,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2022-04-06 13:39:53,246 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:39:53,246 INFO L499 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 13:39:53,246 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-04-06 13:39:53,246 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:39:53,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:39:53,247 INFO L85 PathProgramCache]: Analyzing trace with hash 1347257741, now seen corresponding path program 1 times [2022-04-06 13:39:53,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:39:53,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067675525] [2022-04-06 13:39:53,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:39:53,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:39:53,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:39:53,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:39:53,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:39:53,318 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 429 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2022-04-06 13:39:53,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:39:53,318 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067675525] [2022-04-06 13:39:53,318 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2067675525] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:39:53,318 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:39:53,318 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 13:39:53,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41149621] [2022-04-06 13:39:53,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:39:53,319 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 13:39:53,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:39:53,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 13:39:53,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 13:39:53,320 INFO L87 Difference]: Start difference. First operand 1372 states and 1867 transitions. Second operand has 4 states, 4 states have (on average 34.0) internal successors, (136), 3 states have internal predecessors, (136), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:39:53,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:39:53,526 INFO L93 Difference]: Finished difference Result 3945 states and 5397 transitions. [2022-04-06 13:39:53,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 13:39:53,526 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.0) internal successors, (136), 3 states have internal predecessors, (136), 1 states have call successors, (3), 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 275 [2022-04-06 13:39:53,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:39:53,533 INFO L225 Difference]: With dead ends: 3945 [2022-04-06 13:39:53,533 INFO L226 Difference]: Without dead ends: 1651 [2022-04-06 13:39:53,537 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-06 13:39:53,538 INFO L913 BasicCegarLoop]: 370 mSDtfsCounter, 317 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 195 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 317 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-06 13:39:53,539 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [317 Valid, 377 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 195 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-06 13:39:53,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1651 states. [2022-04-06 13:39:53,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1651 to 1649. [2022-04-06 13:39:53,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1649 states, 1644 states have (on average 1.3637469586374695) internal successors, (2242), 1644 states have internal predecessors, (2242), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:39:53,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1649 states to 1649 states and 2246 transitions. [2022-04-06 13:39:53,588 INFO L78 Accepts]: Start accepts. Automaton has 1649 states and 2246 transitions. Word has length 275 [2022-04-06 13:39:53,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:39:53,590 INFO L478 AbstractCegarLoop]: Abstraction has 1649 states and 2246 transitions. [2022-04-06 13:39:53,590 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.0) internal successors, (136), 3 states have internal predecessors, (136), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:39:53,590 INFO L276 IsEmpty]: Start isEmpty. Operand 1649 states and 2246 transitions. [2022-04-06 13:39:53,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2022-04-06 13:39:53,595 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:39:53,595 INFO L499 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 8, 8, 7, 7, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 13:39:53,596 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-04-06 13:39:53,596 INFO L403 AbstractCegarLoop]: === Iteration 14 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:39:53,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:39:53,597 INFO L85 PathProgramCache]: Analyzing trace with hash -2113328964, now seen corresponding path program 1 times [2022-04-06 13:39:53,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:39:53,597 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765081487] [2022-04-06 13:39:53,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:39:53,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:39:53,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:39:53,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:39:53,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:39:53,668 INFO L134 CoverageAnalysis]: Checked inductivity of 954 backedges. 500 proven. 0 refuted. 0 times theorem prover too weak. 454 trivial. 0 not checked. [2022-04-06 13:39:53,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:39:53,669 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765081487] [2022-04-06 13:39:53,669 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765081487] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:39:53,669 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:39:53,669 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 13:39:53,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095245341] [2022-04-06 13:39:53,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:39:53,670 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 13:39:53,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:39:53,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 13:39:53,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 13:39:53,670 INFO L87 Difference]: Start difference. First operand 1649 states and 2246 transitions. Second operand has 4 states, 4 states have (on average 32.5) internal successors, (130), 3 states have internal predecessors, (130), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:39:53,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:39:53,904 INFO L93 Difference]: Finished difference Result 3459 states and 4769 transitions. [2022-04-06 13:39:53,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 13:39:53,904 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.5) internal successors, (130), 3 states have internal predecessors, (130), 1 states have call successors, (3), 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 322 [2022-04-06 13:39:53,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:39:53,911 INFO L225 Difference]: With dead ends: 3459 [2022-04-06 13:39:53,911 INFO L226 Difference]: Without dead ends: 1824 [2022-04-06 13:39:53,914 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-06 13:39:53,915 INFO L913 BasicCegarLoop]: 210 mSDtfsCounter, 224 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-06 13:39:53,916 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [224 Valid, 217 Invalid, 231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-06 13:39:53,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1824 states. [2022-04-06 13:39:53,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1824 to 1784. [2022-04-06 13:39:53,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1784 states, 1779 states have (on average 1.3501967397414278) internal successors, (2402), 1779 states have internal predecessors, (2402), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:39:53,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1784 states to 1784 states and 2406 transitions. [2022-04-06 13:39:53,960 INFO L78 Accepts]: Start accepts. Automaton has 1784 states and 2406 transitions. Word has length 322 [2022-04-06 13:39:53,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:39:53,961 INFO L478 AbstractCegarLoop]: Abstraction has 1784 states and 2406 transitions. [2022-04-06 13:39:53,961 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.5) internal successors, (130), 3 states have internal predecessors, (130), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:39:53,961 INFO L276 IsEmpty]: Start isEmpty. Operand 1784 states and 2406 transitions. [2022-04-06 13:39:53,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2022-04-06 13:39:53,966 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:39:53,966 INFO L499 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 9, 9, 8, 8, 7, 7, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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] [2022-04-06 13:39:53,966 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-04-06 13:39:53,967 INFO L403 AbstractCegarLoop]: === Iteration 15 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:39:53,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:39:53,967 INFO L85 PathProgramCache]: Analyzing trace with hash 1283305930, now seen corresponding path program 1 times [2022-04-06 13:39:53,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:39:53,967 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584904612] [2022-04-06 13:39:53,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:39:53,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:39:53,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:39:54,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:39:54,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:39:54,028 INFO L134 CoverageAnalysis]: Checked inductivity of 1151 backedges. 642 proven. 0 refuted. 0 times theorem prover too weak. 509 trivial. 0 not checked. [2022-04-06 13:39:54,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:39:54,029 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584904612] [2022-04-06 13:39:54,029 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584904612] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:39:54,029 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:39:54,029 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 13:39:54,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047339119] [2022-04-06 13:39:54,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:39:54,029 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 13:39:54,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:39:54,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 13:39:54,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 13:39:54,030 INFO L87 Difference]: Start difference. First operand 1784 states and 2406 transitions. Second operand has 4 states, 4 states have (on average 34.0) internal successors, (136), 3 states have internal predecessors, (136), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:39:54,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:39:54,248 INFO L93 Difference]: Finished difference Result 3709 states and 5054 transitions. [2022-04-06 13:39:54,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 13:39:54,249 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.0) internal successors, (136), 3 states have internal predecessors, (136), 1 states have call successors, (3), 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 345 [2022-04-06 13:39:54,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:39:54,257 INFO L225 Difference]: With dead ends: 3709 [2022-04-06 13:39:54,257 INFO L226 Difference]: Without dead ends: 1939 [2022-04-06 13:39:54,262 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-06 13:39:54,263 INFO L913 BasicCegarLoop]: 210 mSDtfsCounter, 205 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-06 13:39:54,263 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [205 Valid, 217 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-06 13:39:54,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1939 states. [2022-04-06 13:39:54,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1939 to 1929. [2022-04-06 13:39:54,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1929 states, 1924 states have (on average 1.3367983367983367) internal successors, (2572), 1924 states have internal predecessors, (2572), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:39:54,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1929 states to 1929 states and 2576 transitions. [2022-04-06 13:39:54,313 INFO L78 Accepts]: Start accepts. Automaton has 1929 states and 2576 transitions. Word has length 345 [2022-04-06 13:39:54,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:39:54,314 INFO L478 AbstractCegarLoop]: Abstraction has 1929 states and 2576 transitions. [2022-04-06 13:39:54,315 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.0) internal successors, (136), 3 states have internal predecessors, (136), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:39:54,315 INFO L276 IsEmpty]: Start isEmpty. Operand 1929 states and 2576 transitions. [2022-04-06 13:39:54,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2022-04-06 13:39:54,321 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:39:54,321 INFO L499 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 10, 10, 9, 9, 8, 8, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 13:39:54,321 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-04-06 13:39:54,321 INFO L403 AbstractCegarLoop]: === Iteration 16 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:39:54,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:39:54,322 INFO L85 PathProgramCache]: Analyzing trace with hash -1675230557, now seen corresponding path program 1 times [2022-04-06 13:39:54,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:39:54,322 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772106794] [2022-04-06 13:39:54,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:39:54,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:39:54,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:39:54,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:39:54,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:39:54,413 INFO L134 CoverageAnalysis]: Checked inductivity of 1396 backedges. 905 proven. 26 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2022-04-06 13:39:54,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:39:54,413 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772106794] [2022-04-06 13:39:54,415 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1772106794] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-06 13:39:54,415 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [230422754] [2022-04-06 13:39:54,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:39:54,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-06 13:39:54,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-06 13:39:54,423 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-06 13:39:54,427 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-04-06 13:39:54,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:39:54,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 689 conjuncts, 3 conjunts are in the unsatisfiable core [2022-04-06 13:39:54,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-06 13:39:55,269 INFO L134 CoverageAnalysis]: Checked inductivity of 1396 backedges. 905 proven. 26 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2022-04-06 13:39:55,269 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-06 13:39:55,831 INFO L134 CoverageAnalysis]: Checked inductivity of 1396 backedges. 905 proven. 26 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2022-04-06 13:39:55,831 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [230422754] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-06 13:39:55,831 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-06 13:39:55,831 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 7 [2022-04-06 13:39:55,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935418474] [2022-04-06 13:39:55,832 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-06 13:39:55,832 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-04-06 13:39:55,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:39:55,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-04-06 13:39:55,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-04-06 13:39:55,833 INFO L87 Difference]: Start difference. First operand 1929 states and 2576 transitions. Second operand has 7 states, 7 states have (on average 35.0) internal successors, (245), 6 states have internal predecessors, (245), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:39:56,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:39:56,751 INFO L93 Difference]: Finished difference Result 4992 states and 6780 transitions. [2022-04-06 13:39:56,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-04-06 13:39:56,751 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 35.0) internal successors, (245), 6 states have internal predecessors, (245), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 378 [2022-04-06 13:39:56,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:39:56,763 INFO L225 Difference]: With dead ends: 4992 [2022-04-06 13:39:56,763 INFO L226 Difference]: Without dead ends: 2921 [2022-04-06 13:39:56,768 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 777 GetRequests, 764 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2022-04-06 13:39:56,769 INFO L913 BasicCegarLoop]: 301 mSDtfsCounter, 702 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 1195 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 702 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 1277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 1195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-04-06 13:39:56,769 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [702 Valid, 323 Invalid, 1277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 1195 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-04-06 13:39:56,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2921 states. [2022-04-06 13:39:56,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2921 to 2067. [2022-04-06 13:39:56,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2067 states, 2062 states have (on average 1.3423860329776915) internal successors, (2768), 2062 states have internal predecessors, (2768), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:39:56,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2067 states to 2067 states and 2772 transitions. [2022-04-06 13:39:56,857 INFO L78 Accepts]: Start accepts. Automaton has 2067 states and 2772 transitions. Word has length 378 [2022-04-06 13:39:56,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:39:56,857 INFO L478 AbstractCegarLoop]: Abstraction has 2067 states and 2772 transitions. [2022-04-06 13:39:56,857 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 35.0) internal successors, (245), 6 states have internal predecessors, (245), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:39:56,857 INFO L276 IsEmpty]: Start isEmpty. Operand 2067 states and 2772 transitions. [2022-04-06 13:39:56,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 479 [2022-04-06 13:39:56,866 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:39:56,866 INFO L499 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 13, 13, 12, 12, 11, 11, 10, 10, 10, 10, 8, 6, 6, 6, 6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 13:39:56,891 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-04-06 13:39:57,091 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-04-06 13:39:57,091 INFO L403 AbstractCegarLoop]: === Iteration 17 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:39:57,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:39:57,092 INFO L85 PathProgramCache]: Analyzing trace with hash 1906514014, now seen corresponding path program 1 times [2022-04-06 13:39:57,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:39:57,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176788347] [2022-04-06 13:39:57,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:39:57,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:39:57,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:39:57,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:39:57,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:39:57,178 INFO L134 CoverageAnalysis]: Checked inductivity of 2338 backedges. 1323 proven. 0 refuted. 0 times theorem prover too weak. 1015 trivial. 0 not checked. [2022-04-06 13:39:57,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:39:57,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176788347] [2022-04-06 13:39:57,179 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1176788347] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:39:57,179 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:39:57,179 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 13:39:57,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147650576] [2022-04-06 13:39:57,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:39:57,180 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 13:39:57,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:39:57,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 13:39:57,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 13:39:57,181 INFO L87 Difference]: Start difference. First operand 2067 states and 2772 transitions. Second operand has 4 states, 4 states have (on average 41.25) internal successors, (165), 3 states have internal predecessors, (165), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:39:57,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:39:57,428 INFO L93 Difference]: Finished difference Result 4372 states and 5960 transitions. [2022-04-06 13:39:57,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 13:39:57,429 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 41.25) internal successors, (165), 3 states have internal predecessors, (165), 1 states have call successors, (3), 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 478 [2022-04-06 13:39:57,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:39:57,437 INFO L225 Difference]: With dead ends: 4372 [2022-04-06 13:39:57,438 INFO L226 Difference]: Without dead ends: 2319 [2022-04-06 13:39:57,442 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-06 13:39:57,442 INFO L913 BasicCegarLoop]: 210 mSDtfsCounter, 205 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 221 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-06 13:39:57,443 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [205 Valid, 217 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 221 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-06 13:39:57,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2319 states. [2022-04-06 13:39:57,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2319 to 2305. [2022-04-06 13:39:57,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2305 states, 2300 states have (on average 1.3221739130434782) internal successors, (3041), 2300 states have internal predecessors, (3041), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:39:57,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2305 states to 2305 states and 3045 transitions. [2022-04-06 13:39:57,507 INFO L78 Accepts]: Start accepts. Automaton has 2305 states and 3045 transitions. Word has length 478 [2022-04-06 13:39:57,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:39:57,508 INFO L478 AbstractCegarLoop]: Abstraction has 2305 states and 3045 transitions. [2022-04-06 13:39:57,508 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 41.25) internal successors, (165), 3 states have internal predecessors, (165), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:39:57,508 INFO L276 IsEmpty]: Start isEmpty. Operand 2305 states and 3045 transitions. [2022-04-06 13:39:57,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 541 [2022-04-06 13:39:57,519 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:39:57,519 INFO L499 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 15, 15, 14, 14, 13, 13, 12, 12, 12, 12, 10, 8, 8, 6, 6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 13:39:57,519 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-04-06 13:39:57,519 INFO L403 AbstractCegarLoop]: === Iteration 18 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:39:57,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:39:57,520 INFO L85 PathProgramCache]: Analyzing trace with hash 1365116496, now seen corresponding path program 1 times [2022-04-06 13:39:57,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:39:57,520 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661276212] [2022-04-06 13:39:57,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:39:57,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:39:57,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:39:57,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:39:57,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:39:57,614 INFO L134 CoverageAnalysis]: Checked inductivity of 3103 backedges. 1760 proven. 0 refuted. 0 times theorem prover too weak. 1343 trivial. 0 not checked. [2022-04-06 13:39:57,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:39:57,614 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661276212] [2022-04-06 13:39:57,614 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661276212] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:39:57,615 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:39:57,615 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 13:39:57,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544007269] [2022-04-06 13:39:57,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:39:57,616 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 13:39:57,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:39:57,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 13:39:57,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 13:39:57,617 INFO L87 Difference]: Start difference. First operand 2305 states and 3045 transitions. Second operand has 4 states, 4 states have (on average 43.75) internal successors, (175), 3 states have internal predecessors, (175), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:39:57,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:39:57,882 INFO L93 Difference]: Finished difference Result 4862 states and 6534 transitions. [2022-04-06 13:39:57,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 13:39:57,882 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 43.75) internal successors, (175), 3 states have internal predecessors, (175), 1 states have call successors, (3), 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 540 [2022-04-06 13:39:57,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:39:57,891 INFO L225 Difference]: With dead ends: 4862 [2022-04-06 13:39:57,891 INFO L226 Difference]: Without dead ends: 2571 [2022-04-06 13:39:57,895 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-06 13:39:57,896 INFO L913 BasicCegarLoop]: 210 mSDtfsCounter, 205 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-06 13:39:57,896 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [205 Valid, 217 Invalid, 249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-06 13:39:57,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2571 states. [2022-04-06 13:39:57,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2571 to 2557. [2022-04-06 13:39:57,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2557 states, 2552 states have (on average 1.3040752351097178) internal successors, (3328), 2552 states have internal predecessors, (3328), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:39:57,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2557 states to 2557 states and 3332 transitions. [2022-04-06 13:39:57,972 INFO L78 Accepts]: Start accepts. Automaton has 2557 states and 3332 transitions. Word has length 540 [2022-04-06 13:39:57,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:39:57,973 INFO L478 AbstractCegarLoop]: Abstraction has 2557 states and 3332 transitions. [2022-04-06 13:39:57,973 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 43.75) internal successors, (175), 3 states have internal predecessors, (175), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:39:57,973 INFO L276 IsEmpty]: Start isEmpty. Operand 2557 states and 3332 transitions. [2022-04-06 13:39:57,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 607 [2022-04-06 13:39:57,980 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:39:57,982 INFO L499 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 18, 18, 18, 18, 18, 17, 17, 16, 16, 15, 15, 14, 14, 14, 14, 12, 10, 10, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 13:39:57,982 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-04-06 13:39:57,982 INFO L403 AbstractCegarLoop]: === Iteration 19 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:39:57,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:39:57,983 INFO L85 PathProgramCache]: Analyzing trace with hash 325131742, now seen corresponding path program 1 times [2022-04-06 13:39:57,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:39:57,983 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161318998] [2022-04-06 13:39:57,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:39:57,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:39:58,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:39:58,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:39:58,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:39:58,115 INFO L134 CoverageAnalysis]: Checked inductivity of 4010 backedges. 2316 proven. 26 refuted. 0 times theorem prover too weak. 1668 trivial. 0 not checked. [2022-04-06 13:39:58,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:39:58,115 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161318998] [2022-04-06 13:39:58,116 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1161318998] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-06 13:39:58,116 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2002630905] [2022-04-06 13:39:58,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:39:58,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-06 13:39:58,116 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-06 13:39:58,117 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-06 13:39:58,144 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-04-06 13:39:58,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:39:58,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 995 conjuncts, 3 conjunts are in the unsatisfiable core [2022-04-06 13:39:58,296 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-06 13:39:58,957 INFO L134 CoverageAnalysis]: Checked inductivity of 4010 backedges. 2316 proven. 26 refuted. 0 times theorem prover too weak. 1668 trivial. 0 not checked. [2022-04-06 13:39:58,957 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-06 13:39:59,666 INFO L134 CoverageAnalysis]: Checked inductivity of 4010 backedges. 2316 proven. 26 refuted. 0 times theorem prover too weak. 1668 trivial. 0 not checked. [2022-04-06 13:39:59,666 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2002630905] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-06 13:39:59,666 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-06 13:39:59,667 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 9 [2022-04-06 13:39:59,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562346297] [2022-04-06 13:39:59,667 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-06 13:39:59,668 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-04-06 13:39:59,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:39:59,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-04-06 13:39:59,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-04-06 13:39:59,669 INFO L87 Difference]: Start difference. First operand 2557 states and 3332 transitions. Second operand has 9 states, 9 states have (on average 37.333333333333336) internal successors, (336), 8 states have internal predecessors, (336), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:40:00,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:40:00,565 INFO L93 Difference]: Finished difference Result 4351 states and 5718 transitions. [2022-04-06 13:40:00,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-04-06 13:40:00,566 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 37.333333333333336) internal successors, (336), 8 states have internal predecessors, (336), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 606 [2022-04-06 13:40:00,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:40:00,567 INFO L225 Difference]: With dead ends: 4351 [2022-04-06 13:40:00,567 INFO L226 Difference]: Without dead ends: 0 [2022-04-06 13:40:00,573 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 1225 GetRequests, 1214 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2022-04-06 13:40:00,573 INFO L913 BasicCegarLoop]: 296 mSDtfsCounter, 408 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 1492 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 408 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 1555 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 1492 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-04-06 13:40:00,574 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [408 Valid, 323 Invalid, 1555 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 1492 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-04-06 13:40:00,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-04-06 13:40:00,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-04-06 13:40:00,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-06 13:40:00,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-04-06 13:40:00,574 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 606 [2022-04-06 13:40:00,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:40:00,575 INFO L478 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-04-06 13:40:00,575 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 37.333333333333336) internal successors, (336), 8 states have internal predecessors, (336), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:40:00,575 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-04-06 13:40:00,575 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-06 13:40:00,577 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-04-06 13:40:00,607 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-04-06 13:40:00,800 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-06 13:40:00,802 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-04-06 13:40:03,282 INFO L878 garLoopResultBuilder]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|)) [2022-04-06 13:40:03,282 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2022-04-06 13:40:03,282 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2022-04-06 13:40:03,282 INFO L885 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-04-06 13:40:03,282 INFO L885 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: true [2022-04-06 13:40:03,282 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-04-06 13:40:03,282 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-04-06 13:40:03,282 INFO L885 garLoopResultBuilder]: At program point mainENTRY(lines 622 633) the Hoare annotation is: true [2022-04-06 13:40:03,282 INFO L885 garLoopResultBuilder]: At program point L629(line 629) the Hoare annotation is: true [2022-04-06 13:40:03,282 INFO L882 garLoopResultBuilder]: For program point L629-1(line 629) no Hoare annotation was computed. [2022-04-06 13:40:03,283 INFO L882 garLoopResultBuilder]: For program point mainFINAL(lines 622 633) no Hoare annotation was computed. [2022-04-06 13:40:03,283 INFO L882 garLoopResultBuilder]: For program point mainEXIT(lines 622 633) no Hoare annotation was computed. [2022-04-06 13:40:03,283 INFO L885 garLoopResultBuilder]: At program point ssl3_acceptENTRY(lines 22 621) the Hoare annotation is: true [2022-04-06 13:40:03,283 INFO L882 garLoopResultBuilder]: For program point L93(lines 93 99) no Hoare annotation was computed. [2022-04-06 13:40:03,283 INFO L882 garLoopResultBuilder]: For program point L96-2(lines 93 99) no Hoare annotation was computed. [2022-04-06 13:40:03,283 INFO L882 garLoopResultBuilder]: For program point L96(lines 96 98) no Hoare annotation was computed. [2022-04-06 13:40:03,283 INFO L882 garLoopResultBuilder]: For program point L101(lines 101 105) no Hoare annotation was computed. [2022-04-06 13:40:03,283 INFO L882 garLoopResultBuilder]: For program point L102(lines 102 104) no Hoare annotation was computed. [2022-04-06 13:40:03,283 INFO L882 garLoopResultBuilder]: For program point L101-1(lines 83 620) no Hoare annotation was computed. [2022-04-06 13:40:03,283 INFO L882 garLoopResultBuilder]: For program point ssl3_acceptFINAL(lines 22 621) no Hoare annotation was computed. [2022-04-06 13:40:03,284 INFO L878 garLoopResultBuilder]: At program point L110-2(lines 110 608) the Hoare annotation is: (let ((.cse3 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse2 (= 3 ssl3_accept_~blastFlag~0)) (.cse1 (not (= ssl3_accept_~s__hit~0 0))) (.cse0 (= 2 ssl3_accept_~blastFlag~0))) (or (= ssl3_accept_~blastFlag~0 0) (and .cse0 (= ssl3_accept_~s__state~0 8512)) (and (= ssl3_accept_~blastFlag~0 1) (= 8496 ssl3_accept_~s__state~0)) (and .cse0 (= ssl3_accept_~s__state~0 8528)) (and .cse0 (= 8560 ssl3_accept_~s__state~0)) (and .cse1 .cse2) (and .cse3 (<= ssl3_accept_~s__state~0 8672) (<= 8672 ssl3_accept_~s__state~0) .cse2) (and .cse0 .cse3 (< ssl3_accept_~s__state~0 8656)) (and (= ssl3_accept_~s__state~0 8656) .cse0 .cse3) (and (= 8448 ssl3_accept_~s__state~0) (= 3 ssl3_accept_~s__s3__tmp__next_state___0~0) .cse2) (= ssl3_accept_~s__state~0 3) (and .cse0 .cse1) (and (= ssl3_accept_~s__state~0 8544) .cse0))) [2022-04-06 13:40:03,284 INFO L882 garLoopResultBuilder]: For program point ssl3_acceptEXIT(lines 22 621) no Hoare annotation was computed. [2022-04-06 13:40:03,284 INFO L885 garLoopResultBuilder]: At program point L609(lines 109 610) the Hoare annotation is: true [2022-04-06 13:40:03,284 INFO L882 garLoopResultBuilder]: For program point L111(line 111) no Hoare annotation was computed. [2022-04-06 13:40:03,284 INFO L882 garLoopResultBuilder]: For program point L614(lines 614 616) no Hoare annotation was computed. [2022-04-06 13:40:03,284 INFO L882 garLoopResultBuilder]: For program point L113(lines 113 589) no Hoare annotation was computed. [2022-04-06 13:40:03,284 INFO L882 garLoopResultBuilder]: For program point L614-2(lines 614 616) no Hoare annotation was computed. [2022-04-06 13:40:03,284 INFO L878 garLoopResultBuilder]: At program point L114(lines 113 589) the Hoare annotation is: (let ((.cse1 (not (= ssl3_accept_~s__hit~0 0))) (.cse0 (<= 8672 ssl3_accept_~s__state~0))) (or (and (= ssl3_accept_~blastFlag~0 0) .cse0) (and (= 2 ssl3_accept_~blastFlag~0) .cse1 .cse0) (and .cse1 .cse0 (= 3 ssl3_accept_~blastFlag~0)))) [2022-04-06 13:40:03,284 INFO L882 garLoopResultBuilder]: For program point L116(lines 116 588) no Hoare annotation was computed. [2022-04-06 13:40:03,284 INFO L878 garLoopResultBuilder]: At program point L222(lines 116 588) the Hoare annotation is: (let ((.cse0 (= 2 ssl3_accept_~blastFlag~0)) (.cse1 (not (= ssl3_accept_~s__hit~0 0)))) (or (= ssl3_accept_~blastFlag~0 0) (and (< ssl3_accept_~s__state~0 8576) .cse0 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (and .cse1 (= 3 ssl3_accept_~blastFlag~0)) (and .cse0 .cse1))) [2022-04-06 13:40:03,285 INFO L882 garLoopResultBuilder]: For program point L119(lines 119 587) no Hoare annotation was computed. [2022-04-06 13:40:03,285 INFO L882 garLoopResultBuilder]: For program point L227(lines 227 229) no Hoare annotation was computed. [2022-04-06 13:40:03,285 INFO L882 garLoopResultBuilder]: For program point L122(lines 122 586) no Hoare annotation was computed. [2022-04-06 13:40:03,285 INFO L882 garLoopResultBuilder]: For program point L227-2(lines 227 229) no Hoare annotation was computed. [2022-04-06 13:40:03,285 INFO L882 garLoopResultBuilder]: For program point L125(lines 125 585) no Hoare annotation was computed. [2022-04-06 13:40:03,285 INFO L882 garLoopResultBuilder]: For program point L232(lines 232 234) no Hoare annotation was computed. [2022-04-06 13:40:03,285 INFO L882 garLoopResultBuilder]: For program point L128(lines 128 584) no Hoare annotation was computed. [2022-04-06 13:40:03,285 INFO L882 garLoopResultBuilder]: For program point L237(lines 237 248) no Hoare annotation was computed. [2022-04-06 13:40:03,285 INFO L878 garLoopResultBuilder]: At program point L132(lines 128 584) the Hoare annotation is: (let ((.cse1 (= 2 ssl3_accept_~blastFlag~0)) (.cse0 (= ssl3_accept_~blastFlag~0 0)) (.cse2 (not (= ssl3_accept_~s__hit~0 0))) (.cse3 (<= ssl3_accept_~s__state~0 8672))) (or (and .cse0 (not (<= 8576 ssl3_accept_~s__state~0))) (and (< ssl3_accept_~s__state~0 8576) .cse1 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (and .cse2 .cse3 (= 3 ssl3_accept_~blastFlag~0)) (and .cse1 .cse2 .cse3) (and .cse0 .cse2 .cse3))) [2022-04-06 13:40:03,285 INFO L882 garLoopResultBuilder]: For program point L131(lines 131 583) no Hoare annotation was computed. [2022-04-06 13:40:03,285 INFO L882 garLoopResultBuilder]: For program point L239(lines 239 242) no Hoare annotation was computed. [2022-04-06 13:40:03,286 INFO L882 garLoopResultBuilder]: For program point L237-2(lines 219 552) no Hoare annotation was computed. [2022-04-06 13:40:03,286 INFO L882 garLoopResultBuilder]: For program point L270(lines 270 272) no Hoare annotation was computed. [2022-04-06 13:40:03,286 INFO L882 garLoopResultBuilder]: For program point L134(lines 134 582) no Hoare annotation was computed. [2022-04-06 13:40:03,286 INFO L882 garLoopResultBuilder]: For program point L243(lines 243 246) no Hoare annotation was computed. [2022-04-06 13:40:03,286 INFO L882 garLoopResultBuilder]: For program point L254(lines 254 264) no Hoare annotation was computed. [2022-04-06 13:40:03,286 INFO L878 garLoopResultBuilder]: At program point L553(lines 110 608) the Hoare annotation is: (let ((.cse3 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse2 (= 3 ssl3_accept_~blastFlag~0)) (.cse1 (not (= ssl3_accept_~s__hit~0 0))) (.cse0 (= 2 ssl3_accept_~blastFlag~0))) (or (= ssl3_accept_~blastFlag~0 0) (and .cse0 (= ssl3_accept_~s__state~0 8512)) (and (= ssl3_accept_~blastFlag~0 1) (= 8496 ssl3_accept_~s__state~0)) (and .cse0 (= ssl3_accept_~s__state~0 8528)) (and .cse0 (= 8560 ssl3_accept_~s__state~0)) (and .cse1 .cse2) (and .cse3 (<= ssl3_accept_~s__state~0 8672) (<= 8672 ssl3_accept_~s__state~0) .cse2) (and .cse0 .cse3 (< ssl3_accept_~s__state~0 8656)) (and (= ssl3_accept_~s__state~0 8656) .cse0 .cse3) (and (= 8448 ssl3_accept_~s__state~0) (= 3 ssl3_accept_~s__s3__tmp__next_state___0~0) .cse2) (= ssl3_accept_~s__state~0 3) (and .cse0 .cse1) (and (= ssl3_accept_~s__state~0 8544) .cse0))) [2022-04-06 13:40:03,286 INFO L878 garLoopResultBuilder]: At program point L135(lines 134 582) the Hoare annotation is: (<= ssl3_accept_~s__state~0 8672) [2022-04-06 13:40:03,286 INFO L882 garLoopResultBuilder]: For program point L137(lines 137 581) no Hoare annotation was computed. [2022-04-06 13:40:03,286 INFO L882 garLoopResultBuilder]: For program point L255(lines 255 258) no Hoare annotation was computed. [2022-04-06 13:40:03,286 INFO L882 garLoopResultBuilder]: For program point L591(lines 591 605) no Hoare annotation was computed. [2022-04-06 13:40:03,286 INFO L882 garLoopResultBuilder]: For program point L590(lines 590 606) no Hoare annotation was computed. [2022-04-06 13:40:03,287 INFO L878 garLoopResultBuilder]: At program point L144(lines 137 581) the Hoare annotation is: (let ((.cse1 (= 2 ssl3_accept_~blastFlag~0)) (.cse0 (= ssl3_accept_~blastFlag~0 0)) (.cse2 (not (= ssl3_accept_~s__hit~0 0))) (.cse3 (<= ssl3_accept_~s__state~0 8672))) (or (and .cse0 (not (<= 8576 ssl3_accept_~s__state~0))) (and (< ssl3_accept_~s__state~0 8576) .cse1 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (and .cse2 .cse3 (= 3 ssl3_accept_~blastFlag~0)) (and .cse1 .cse2 .cse3) (and .cse0 .cse2 .cse3))) [2022-04-06 13:40:03,287 INFO L882 garLoopResultBuilder]: For program point L140(lines 140 580) no Hoare annotation was computed. [2022-04-06 13:40:03,287 INFO L882 garLoopResultBuilder]: For program point L592(lines 592 597) no Hoare annotation was computed. [2022-04-06 13:40:03,287 INFO L882 garLoopResultBuilder]: For program point L285(lines 285 287) no Hoare annotation was computed. [2022-04-06 13:40:03,287 INFO L882 garLoopResultBuilder]: For program point L143(lines 143 579) no Hoare annotation was computed. [2022-04-06 13:40:03,287 INFO L882 garLoopResultBuilder]: For program point L594(lines 594 596) no Hoare annotation was computed. [2022-04-06 13:40:03,287 INFO L882 garLoopResultBuilder]: For program point L592-2(lines 591 605) no Hoare annotation was computed. [2022-04-06 13:40:03,287 INFO L882 garLoopResultBuilder]: For program point L285-2(lines 219 552) no Hoare annotation was computed. [2022-04-06 13:40:03,287 INFO L882 garLoopResultBuilder]: For program point L146(lines 146 578) no Hoare annotation was computed. [2022-04-06 13:40:03,287 INFO L882 garLoopResultBuilder]: For program point L599(lines 599 603) no Hoare annotation was computed. [2022-04-06 13:40:03,288 INFO L878 garLoopResultBuilder]: At program point L150(lines 146 578) the Hoare annotation is: (let ((.cse1 (not (<= 8576 ssl3_accept_~s__state~0))) (.cse2 (= 2 ssl3_accept_~blastFlag~0)) (.cse5 (= ssl3_accept_~blastFlag~0 1)) (.cse0 (= ssl3_accept_~blastFlag~0 0)) (.cse3 (not (= ssl3_accept_~s__hit~0 0))) (.cse4 (<= ssl3_accept_~s__state~0 8672))) (or (and .cse0 .cse1) (and (< ssl3_accept_~s__state~0 8576) .cse2 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (and .cse3 .cse4 (= 3 ssl3_accept_~blastFlag~0)) (and .cse5 .cse1) (and .cse2 .cse3 .cse4) (and .cse5 .cse3 .cse4) (and .cse0 .cse3 .cse4))) [2022-04-06 13:40:03,288 INFO L882 garLoopResultBuilder]: For program point L149(lines 149 577) no Hoare annotation was computed. [2022-04-06 13:40:03,288 INFO L882 garLoopResultBuilder]: For program point L298(lines 298 300) no Hoare annotation was computed. [2022-04-06 13:40:03,288 INFO L882 garLoopResultBuilder]: For program point L152(lines 152 576) no Hoare annotation was computed. [2022-04-06 13:40:03,288 INFO L882 garLoopResultBuilder]: For program point L298-2(lines 219 552) no Hoare annotation was computed. [2022-04-06 13:40:03,288 INFO L878 garLoopResultBuilder]: At program point L156(lines 152 576) the Hoare annotation is: (let ((.cse0 (= ssl3_accept_~blastFlag~0 0)) (.cse2 (not (= ssl3_accept_~s__hit~0 0))) (.cse3 (<= ssl3_accept_~s__state~0 8672)) (.cse1 (not (<= 8576 ssl3_accept_~s__state~0))) (.cse4 (= 2 ssl3_accept_~blastFlag~0))) (or (and .cse0 .cse1) (and .cse2 .cse3 (= 3 ssl3_accept_~blastFlag~0)) (and .cse4 .cse2 .cse3) (and .cse0 .cse2 .cse3) (and .cse1 .cse4))) [2022-04-06 13:40:03,288 INFO L882 garLoopResultBuilder]: For program point L155(lines 155 575) no Hoare annotation was computed. [2022-04-06 13:40:03,288 INFO L882 garLoopResultBuilder]: For program point L304(lines 304 308) no Hoare annotation was computed. [2022-04-06 13:40:03,288 INFO L882 garLoopResultBuilder]: For program point L315(lines 315 322) no Hoare annotation was computed. [2022-04-06 13:40:03,288 INFO L882 garLoopResultBuilder]: For program point L158(lines 158 574) no Hoare annotation was computed. [2022-04-06 13:40:03,288 INFO L882 garLoopResultBuilder]: For program point L304-2(lines 304 308) no Hoare annotation was computed. [2022-04-06 13:40:03,288 INFO L882 garLoopResultBuilder]: For program point L315-2(lines 315 322) no Hoare annotation was computed. [2022-04-06 13:40:03,289 INFO L882 garLoopResultBuilder]: For program point L319(lines 319 321) no Hoare annotation was computed. [2022-04-06 13:40:03,289 INFO L878 garLoopResultBuilder]: At program point L162(lines 158 574) the Hoare annotation is: (let ((.cse0 (= ssl3_accept_~blastFlag~0 0)) (.cse2 (not (= ssl3_accept_~s__hit~0 0))) (.cse3 (<= ssl3_accept_~s__state~0 8672)) (.cse1 (not (<= 8576 ssl3_accept_~s__state~0))) (.cse4 (= 2 ssl3_accept_~blastFlag~0))) (or (and .cse0 .cse1) (and .cse2 .cse3 (= 3 ssl3_accept_~blastFlag~0)) (and .cse4 .cse2 .cse3) (and .cse0 .cse2 .cse3) (and .cse1 .cse4))) [2022-04-06 13:40:03,289 INFO L882 garLoopResultBuilder]: For program point L161(lines 161 573) no Hoare annotation was computed. [2022-04-06 13:40:03,289 INFO L882 garLoopResultBuilder]: For program point L332(lines 332 336) no Hoare annotation was computed. [2022-04-06 13:40:03,289 INFO L882 garLoopResultBuilder]: For program point L164(lines 164 572) no Hoare annotation was computed. [2022-04-06 13:40:03,289 INFO L882 garLoopResultBuilder]: For program point L332-2(lines 219 552) no Hoare annotation was computed. [2022-04-06 13:40:03,289 INFO L878 garLoopResultBuilder]: At program point L168(lines 164 572) the Hoare annotation is: (let ((.cse0 (= ssl3_accept_~blastFlag~0 0)) (.cse2 (not (= ssl3_accept_~s__hit~0 0))) (.cse3 (<= ssl3_accept_~s__state~0 8672)) (.cse1 (not (<= 8576 ssl3_accept_~s__state~0))) (.cse4 (= 2 ssl3_accept_~blastFlag~0))) (or (and .cse0 .cse1) (and .cse2 .cse3 (= 3 ssl3_accept_~blastFlag~0)) (and .cse4 .cse2 .cse3) (and .cse0 .cse2 .cse3) (and .cse1 .cse4))) [2022-04-06 13:40:03,289 INFO L882 garLoopResultBuilder]: For program point L167(lines 167 571) no Hoare annotation was computed. [2022-04-06 13:40:03,289 INFO L878 garLoopResultBuilder]: At program point L362(lines 338 380) the Hoare annotation is: (let ((.cse0 (= ssl3_accept_~blastFlag~0 0)) (.cse2 (not (= ssl3_accept_~s__hit~0 0))) (.cse3 (<= ssl3_accept_~s__state~0 8672)) (.cse1 (not (<= 8576 ssl3_accept_~s__state~0))) (.cse4 (= 2 ssl3_accept_~blastFlag~0))) (or (and .cse0 .cse1) (and .cse2 .cse3 (= 3 ssl3_accept_~blastFlag~0)) (and .cse4 .cse2 .cse3) (and .cse0 .cse2 .cse3) (and .cse1 .cse4))) [2022-04-06 13:40:03,289 INFO L882 garLoopResultBuilder]: For program point L341(lines 341 379) no Hoare annotation was computed. [2022-04-06 13:40:03,289 INFO L882 garLoopResultBuilder]: For program point L387(lines 387 419) no Hoare annotation was computed. [2022-04-06 13:40:03,289 INFO L882 garLoopResultBuilder]: For program point L170(lines 170 570) no Hoare annotation was computed. [2022-04-06 13:40:03,290 INFO L882 garLoopResultBuilder]: For program point L364(lines 364 366) no Hoare annotation was computed. [2022-04-06 13:40:03,290 INFO L882 garLoopResultBuilder]: For program point L344(lines 344 378) no Hoare annotation was computed. [2022-04-06 13:40:03,290 INFO L882 garLoopResultBuilder]: For program point L388(lines 388 394) no Hoare annotation was computed. [2022-04-06 13:40:03,290 INFO L878 garLoopResultBuilder]: At program point L396(lines 387 419) the Hoare annotation is: (let ((.cse0 (= ssl3_accept_~blastFlag~0 0)) (.cse2 (not (= ssl3_accept_~s__hit~0 0))) (.cse3 (<= ssl3_accept_~s__state~0 8672)) (.cse1 (not (<= 8576 ssl3_accept_~s__state~0))) (.cse4 (= 2 ssl3_accept_~blastFlag~0))) (or (and .cse0 .cse1) (and .cse2 .cse3 (= 3 ssl3_accept_~blastFlag~0)) (and .cse4 .cse2 .cse3) (and .cse0 .cse2 .cse3) (and .cse1 .cse4))) [2022-04-06 13:40:03,290 INFO L878 garLoopResultBuilder]: At program point L174(lines 170 570) the Hoare annotation is: (let ((.cse0 (= ssl3_accept_~blastFlag~0 0)) (.cse2 (not (= ssl3_accept_~s__hit~0 0))) (.cse3 (<= ssl3_accept_~s__state~0 8672)) (.cse1 (not (<= 8576 ssl3_accept_~s__state~0))) (.cse4 (= 2 ssl3_accept_~blastFlag~0))) (or (and .cse0 .cse1) (and .cse2 .cse3 (= 3 ssl3_accept_~blastFlag~0)) (and .cse4 .cse2 .cse3) (and .cse0 .cse2 .cse3) (and .cse1 .cse4))) [2022-04-06 13:40:03,290 INFO L882 garLoopResultBuilder]: For program point L173(lines 173 569) no Hoare annotation was computed. [2022-04-06 13:40:03,290 INFO L882 garLoopResultBuilder]: For program point L344-1(lines 344 378) no Hoare annotation was computed. [2022-04-06 13:40:03,290 INFO L882 garLoopResultBuilder]: For program point L345(lines 345 375) no Hoare annotation was computed. [2022-04-06 13:40:03,290 INFO L882 garLoopResultBuilder]: For program point L399(lines 399 417) no Hoare annotation was computed. [2022-04-06 13:40:03,290 INFO L882 garLoopResultBuilder]: For program point L429(lines 429 431) no Hoare annotation was computed. [2022-04-06 13:40:03,290 INFO L882 garLoopResultBuilder]: For program point L176(lines 176 568) no Hoare annotation was computed. [2022-04-06 13:40:03,290 INFO L882 garLoopResultBuilder]: For program point L350(lines 350 373) no Hoare annotation was computed. [2022-04-06 13:40:03,291 INFO L882 garLoopResultBuilder]: For program point L400(lines 400 406) no Hoare annotation was computed. [2022-04-06 13:40:03,291 INFO L878 garLoopResultBuilder]: At program point L408(lines 399 417) the Hoare annotation is: (let ((.cse0 (= ssl3_accept_~blastFlag~0 0)) (.cse2 (not (= ssl3_accept_~s__hit~0 0))) (.cse3 (<= ssl3_accept_~s__state~0 8672)) (.cse1 (not (<= 8576 ssl3_accept_~s__state~0))) (.cse4 (= 2 ssl3_accept_~blastFlag~0))) (or (and .cse0 .cse1) (and .cse2 .cse3 (= 3 ssl3_accept_~blastFlag~0)) (and .cse4 .cse2 .cse3) (and .cse0 .cse2 .cse3) (and .cse1 .cse4))) [2022-04-06 13:40:03,291 INFO L878 garLoopResultBuilder]: At program point L177(lines 176 568) the Hoare annotation is: (let ((.cse1 (= 2 ssl3_accept_~blastFlag~0)) (.cse2 (not (= ssl3_accept_~s__hit~0 0))) (.cse0 (= 8448 ssl3_accept_~s__state~0)) (.cse3 (= 3 ssl3_accept_~blastFlag~0))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse1 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (and .cse0 .cse2 .cse3) (and (= ssl3_accept_~blastFlag~0 0) .cse0) (and .cse0 (= 3 ssl3_accept_~s__s3__tmp__next_state___0~0) .cse3))) [2022-04-06 13:40:03,291 INFO L882 garLoopResultBuilder]: For program point L179(lines 179 567) no Hoare annotation was computed. [2022-04-06 13:40:03,291 INFO L882 garLoopResultBuilder]: For program point L353(lines 353 357) no Hoare annotation was computed. [2022-04-06 13:40:03,291 INFO L882 garLoopResultBuilder]: For program point L411(lines 411 413) no Hoare annotation was computed. [2022-04-06 13:40:03,291 INFO L882 garLoopResultBuilder]: For program point L440(lines 440 443) no Hoare annotation was computed. [2022-04-06 13:40:03,291 INFO L882 garLoopResultBuilder]: For program point L437-1(lines 437 445) no Hoare annotation was computed. [2022-04-06 13:40:03,291 INFO L878 garLoopResultBuilder]: At program point L183(lines 179 567) the Hoare annotation is: (let ((.cse2 (= 2 ssl3_accept_~blastFlag~0)) (.cse0 (not (= ssl3_accept_~s__hit~0 0))) (.cse1 (<= ssl3_accept_~s__state~0 8672)) (.cse4 (= ssl3_accept_~blastFlag~0 0)) (.cse3 (< ssl3_accept_~s__state~0 8656))) (or (and .cse0 .cse1 (= 3 ssl3_accept_~blastFlag~0)) (and .cse2 .cse0 .cse1) (and .cse2 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse3) (and .cse4 .cse0 .cse1) (and .cse4 .cse3))) [2022-04-06 13:40:03,291 INFO L882 garLoopResultBuilder]: For program point L182(lines 182 566) no Hoare annotation was computed. [2022-04-06 13:40:03,291 INFO L882 garLoopResultBuilder]: For program point L353-2(lines 353 357) no Hoare annotation was computed. [2022-04-06 13:40:03,291 INFO L882 garLoopResultBuilder]: For program point L451(lines 451 453) no Hoare annotation was computed. [2022-04-06 13:40:03,292 INFO L882 garLoopResultBuilder]: For program point L185(lines 185 565) no Hoare annotation was computed. [2022-04-06 13:40:03,292 INFO L882 garLoopResultBuilder]: For program point L361(lines 361 369) no Hoare annotation was computed. [2022-04-06 13:40:03,292 INFO L882 garLoopResultBuilder]: For program point L454(lines 454 463) no Hoare annotation was computed. [2022-04-06 13:40:03,292 INFO L878 garLoopResultBuilder]: At program point L189(lines 185 565) the Hoare annotation is: (let ((.cse2 (= 2 ssl3_accept_~blastFlag~0)) (.cse0 (not (= ssl3_accept_~s__hit~0 0))) (.cse1 (<= ssl3_accept_~s__state~0 8672)) (.cse4 (= ssl3_accept_~blastFlag~0 0)) (.cse3 (< ssl3_accept_~s__state~0 8656))) (or (and .cse0 .cse1 (= 3 ssl3_accept_~blastFlag~0)) (and .cse2 .cse0 .cse1) (and .cse2 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse3) (and .cse4 .cse0 .cse1) (and .cse4 .cse3))) [2022-04-06 13:40:03,292 INFO L882 garLoopResultBuilder]: For program point L188(lines 188 564) no Hoare annotation was computed. [2022-04-06 13:40:03,292 INFO L882 garLoopResultBuilder]: For program point L458(lines 458 460) no Hoare annotation was computed. [2022-04-06 13:40:03,292 INFO L882 garLoopResultBuilder]: For program point L468(lines 468 470) no Hoare annotation was computed. [2022-04-06 13:40:03,292 INFO L882 garLoopResultBuilder]: For program point L191(lines 191 563) no Hoare annotation was computed. [2022-04-06 13:40:03,292 INFO L878 garLoopResultBuilder]: At program point L195(lines 191 563) the Hoare annotation is: (let ((.cse2 (= 2 ssl3_accept_~blastFlag~0)) (.cse0 (not (= ssl3_accept_~s__hit~0 0))) (.cse1 (<= ssl3_accept_~s__state~0 8672)) (.cse4 (= ssl3_accept_~blastFlag~0 0)) (.cse3 (< ssl3_accept_~s__state~0 8656))) (or (and .cse0 .cse1 (= 3 ssl3_accept_~blastFlag~0)) (and .cse2 .cse0 .cse1) (and .cse2 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse3) (and .cse4 .cse0 .cse1) (and .cse4 .cse3))) [2022-04-06 13:40:03,292 INFO L882 garLoopResultBuilder]: For program point L194(lines 194 562) no Hoare annotation was computed. [2022-04-06 13:40:03,292 INFO L882 garLoopResultBuilder]: For program point L477(lines 477 479) no Hoare annotation was computed. [2022-04-06 13:40:03,292 INFO L882 garLoopResultBuilder]: For program point L197(lines 197 561) no Hoare annotation was computed. [2022-04-06 13:40:03,293 INFO L878 garLoopResultBuilder]: At program point L201(lines 197 561) the Hoare annotation is: (let ((.cse0 (< ssl3_accept_~s__state~0 8656))) (or (and (not (= ssl3_accept_~s__hit~0 0)) (<= ssl3_accept_~s__state~0 8672)) (and (= 2 ssl3_accept_~blastFlag~0) (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse0) (and (= ssl3_accept_~blastFlag~0 0) .cse0))) [2022-04-06 13:40:03,293 INFO L882 garLoopResultBuilder]: For program point L200(lines 200 560) no Hoare annotation was computed. [2022-04-06 13:40:03,293 INFO L882 garLoopResultBuilder]: For program point L486(lines 486 488) no Hoare annotation was computed. [2022-04-06 13:40:03,293 INFO L882 garLoopResultBuilder]: For program point L203(lines 203 559) no Hoare annotation was computed. [2022-04-06 13:40:03,293 INFO L882 garLoopResultBuilder]: For program point L486-2(lines 219 552) no Hoare annotation was computed. [2022-04-06 13:40:03,293 INFO L878 garLoopResultBuilder]: At program point L207(lines 203 559) the Hoare annotation is: (let ((.cse1 (not (= ssl3_accept_~s__hit~0 0))) (.cse2 (= 2 ssl3_accept_~blastFlag~0)) (.cse0 (<= ssl3_accept_~s__state~0 8672))) (or (and (= ssl3_accept_~blastFlag~0 0) .cse0) (and .cse1 .cse0 (= 3 ssl3_accept_~blastFlag~0)) (and .cse2 .cse1 .cse0) (and .cse2 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse0))) [2022-04-06 13:40:03,293 INFO L882 garLoopResultBuilder]: For program point L206(lines 206 558) no Hoare annotation was computed. [2022-04-06 13:40:03,293 INFO L882 garLoopResultBuilder]: For program point L492(lines 492 496) no Hoare annotation was computed. [2022-04-06 13:40:03,293 INFO L882 garLoopResultBuilder]: For program point L502(lines 502 505) no Hoare annotation was computed. [2022-04-06 13:40:03,293 INFO L882 garLoopResultBuilder]: For program point L209(lines 209 557) no Hoare annotation was computed. [2022-04-06 13:40:03,293 INFO L882 garLoopResultBuilder]: For program point L492-2(lines 492 496) no Hoare annotation was computed. [2022-04-06 13:40:03,293 INFO L882 garLoopResultBuilder]: For program point L507(lines 507 509) no Hoare annotation was computed. [2022-04-06 13:40:03,294 INFO L878 garLoopResultBuilder]: At program point L213(lines 209 557) the Hoare annotation is: (let ((.cse1 (not (= ssl3_accept_~s__hit~0 0))) (.cse0 (<= 8672 ssl3_accept_~s__state~0)) (.cse2 (= 3 ssl3_accept_~blastFlag~0))) (or (and (= ssl3_accept_~blastFlag~0 0) .cse0) (and (= 2 ssl3_accept_~blastFlag~0) .cse1 .cse0) (and (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse0 .cse2) (and .cse1 .cse0 .cse2))) [2022-04-06 13:40:03,294 INFO L882 garLoopResultBuilder]: For program point L212(lines 212 556) no Hoare annotation was computed. [2022-04-06 13:40:03,294 INFO L882 garLoopResultBuilder]: For program point L507-2(lines 219 552) no Hoare annotation was computed. [2022-04-06 13:40:03,294 INFO L882 garLoopResultBuilder]: For program point L523(lines 523 525) no Hoare annotation was computed. [2022-04-06 13:40:03,294 INFO L882 garLoopResultBuilder]: For program point L215(lines 215 555) no Hoare annotation was computed. [2022-04-06 13:40:03,294 INFO L882 garLoopResultBuilder]: For program point L515(lines 515 518) no Hoare annotation was computed. [2022-04-06 13:40:03,294 INFO L878 garLoopResultBuilder]: At program point L524(lines 83 620) the Hoare annotation is: false [2022-04-06 13:40:03,294 INFO L882 garLoopResultBuilder]: For program point L526(lines 526 528) no Hoare annotation was computed. [2022-04-06 13:40:03,294 INFO L885 garLoopResultBuilder]: At program point L216(lines 215 555) the Hoare annotation is: true [2022-04-06 13:40:03,294 INFO L885 garLoopResultBuilder]: At program point L218(lines 217 555) the Hoare annotation is: true [2022-04-06 13:40:03,294 INFO L882 garLoopResultBuilder]: For program point ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION(line 618) no Hoare annotation was computed. [2022-04-06 13:40:03,295 INFO L882 garLoopResultBuilder]: For program point L530(lines 530 534) no Hoare annotation was computed. [2022-04-06 13:40:03,295 INFO L882 garLoopResultBuilder]: For program point L540(lines 540 546) no Hoare annotation was computed. [2022-04-06 13:40:03,295 INFO L882 garLoopResultBuilder]: For program point L530-2(lines 530 534) no Hoare annotation was computed. [2022-04-06 13:40:03,295 INFO L882 garLoopResultBuilder]: For program point L543(lines 543 545) no Hoare annotation was computed. [2022-04-06 13:40:03,295 INFO L882 garLoopResultBuilder]: For program point L540-1(lines 540 546) no Hoare annotation was computed. [2022-04-06 13:40:03,298 INFO L719 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 13:40:03,299 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-04-06 13:40:03,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.04 01:40:03 BasicIcfg [2022-04-06 13:40:03,318 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-04-06 13:40:03,319 INFO L158 Benchmark]: Toolchain (without parser) took 16020.36ms. Allocated memory was 196.1MB in the beginning and 381.7MB in the end (delta: 185.6MB). Free memory was 135.3MB in the beginning and 196.0MB in the end (delta: -60.6MB). Peak memory consumption was 205.2MB. Max. memory is 8.0GB. [2022-04-06 13:40:03,319 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 196.1MB. Free memory is still 151.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-04-06 13:40:03,319 INFO L158 Benchmark]: CACSL2BoogieTranslator took 369.35ms. Allocated memory was 196.1MB in the beginning and 252.7MB in the end (delta: 56.6MB). Free memory was 135.1MB in the beginning and 218.7MB in the end (delta: -83.6MB). Peak memory consumption was 8.3MB. Max. memory is 8.0GB. [2022-04-06 13:40:03,320 INFO L158 Benchmark]: Boogie Preprocessor took 48.63ms. Allocated memory is still 252.7MB. Free memory was 218.7MB in the beginning and 216.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-04-06 13:40:03,320 INFO L158 Benchmark]: RCFGBuilder took 620.08ms. Allocated memory is still 252.7MB. Free memory was 216.1MB in the beginning and 188.9MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. [2022-04-06 13:40:03,320 INFO L158 Benchmark]: IcfgTransformer took 65.72ms. Allocated memory is still 252.7MB. Free memory was 188.4MB in the beginning and 185.2MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-04-06 13:40:03,320 INFO L158 Benchmark]: TraceAbstraction took 14909.80ms. Allocated memory was 252.7MB in the beginning and 381.7MB in the end (delta: 129.0MB). Free memory was 184.7MB in the beginning and 196.0MB in the end (delta: -11.3MB). Peak memory consumption was 199.5MB. Max. memory is 8.0GB. [2022-04-06 13:40:03,322 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 196.1MB. Free memory is still 151.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 369.35ms. Allocated memory was 196.1MB in the beginning and 252.7MB in the end (delta: 56.6MB). Free memory was 135.1MB in the beginning and 218.7MB in the end (delta: -83.6MB). Peak memory consumption was 8.3MB. Max. memory is 8.0GB. * Boogie Preprocessor took 48.63ms. Allocated memory is still 252.7MB. Free memory was 218.7MB in the beginning and 216.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 620.08ms. Allocated memory is still 252.7MB. Free memory was 216.1MB in the beginning and 188.9MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. * IcfgTransformer took 65.72ms. Allocated memory is still 252.7MB. Free memory was 188.4MB in the beginning and 185.2MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * TraceAbstraction took 14909.80ms. Allocated memory was 252.7MB in the beginning and 381.7MB in the end (delta: 129.0MB). Free memory was 184.7MB in the beginning and 196.0MB in the end (delta: -11.3MB). Peak memory consumption was 199.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 618]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 150 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 14.8s, OverallIterations: 19, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 6.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.5s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5657 SdHoareTripleChecker+Valid, 4.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5655 mSDsluCounter, 4877 SdHoareTripleChecker+Invalid, 4.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 170 mSDsCounter, 504 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6281 IncrementalHoareTripleChecker+Invalid, 6785 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 504 mSolverCounterUnsat, 4707 mSDtfsCounter, 6281 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2120 GetRequests, 2045 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2557occurred in iteration=18, InterpolantAutomatonStates: 86, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 19 MinimizatonAttempts, 1048 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 321 NumberOfFragments, 1115 HoareAnnotationTreeSize, 32 FomulaSimplifications, 2298 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 32 FomulaSimplificationsInter, 3665 FormulaSimplificationTreeSizeReductionInter, 1.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.7s InterpolantComputationTime, 5492 NumberOfCodeBlocks, 5492 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 6453 ConstructedInterpolants, 0 QuantifiedInterpolants, 9127 SizeOfPredicates, 2 NumberOfNonLiveVariables, 1684 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 23 InterpolantComputations, 17 PerfectInterpolantSequences, 25926/26082 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: (((((!(s__hit == 0) && s__state <= 8672) && 3 == blastFlag) || ((2 == blastFlag && !(s__hit == 0)) && s__state <= 8672)) || ((2 == blastFlag && s__s3__tmp__next_state___0 <= 8576) && s__state < 8656)) || ((blastFlag == 0 && !(s__hit == 0)) && s__state <= 8672)) || (blastFlag == 0 && s__state < 8656) - InvariantResult [Line: 338]: Loop Invariant Derived loop invariant: ((((blastFlag == 0 && !(8576 <= s__state)) || ((!(s__hit == 0) && s__state <= 8672) && 3 == blastFlag)) || ((2 == blastFlag && !(s__hit == 0)) && s__state <= 8672)) || ((blastFlag == 0 && !(s__hit == 0)) && s__state <= 8672)) || (!(8576 <= s__state) && 2 == blastFlag) - InvariantResult [Line: 110]: Loop Invariant Derived loop invariant: (((((((((((blastFlag == 0 || (2 == blastFlag && s__state == 8512)) || (blastFlag == 1 && 8496 == s__state)) || (2 == blastFlag && s__state == 8528)) || (2 == blastFlag && 8560 == s__state)) || (!(s__hit == 0) && 3 == blastFlag)) || (((s__s3__tmp__next_state___0 <= 8576 && s__state <= 8672) && 8672 <= s__state) && 3 == blastFlag)) || ((2 == blastFlag && s__s3__tmp__next_state___0 <= 8576) && s__state < 8656)) || ((s__state == 8656 && 2 == blastFlag) && s__s3__tmp__next_state___0 <= 8576)) || ((8448 == s__state && 3 == s__s3__tmp__next_state___0) && 3 == blastFlag)) || s__state == 3) || (2 == blastFlag && !(s__hit == 0))) || (s__state == 8544 && 2 == blastFlag) - InvariantResult [Line: 387]: Loop Invariant Derived loop invariant: ((((blastFlag == 0 && !(8576 <= s__state)) || ((!(s__hit == 0) && s__state <= 8672) && 3 == blastFlag)) || ((2 == blastFlag && !(s__hit == 0)) && s__state <= 8672)) || ((blastFlag == 0 && !(s__hit == 0)) && s__state <= 8672)) || (!(8576 <= s__state) && 2 == blastFlag) - InvariantResult [Line: 215]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: ((((blastFlag == 0 && !(8576 <= s__state)) || ((!(s__hit == 0) && s__state <= 8672) && 3 == blastFlag)) || ((2 == blastFlag && !(s__hit == 0)) && s__state <= 8672)) || ((blastFlag == 0 && !(s__hit == 0)) && s__state <= 8672)) || (!(8576 <= s__state) && 2 == blastFlag) - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: (((((8448 == s__state && 2 == blastFlag) && !(s__hit == 0)) || ((8448 == s__state && 2 == blastFlag) && s__s3__tmp__next_state___0 <= 8576)) || ((8448 == s__state && !(s__hit == 0)) && 3 == blastFlag)) || (blastFlag == 0 && 8448 == s__state)) || ((8448 == s__state && 3 == s__s3__tmp__next_state___0) && 3 == blastFlag) - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: ((((blastFlag == 0 && !(8576 <= s__state)) || ((s__state < 8576 && 2 == blastFlag) && s__s3__tmp__next_state___0 <= 8576)) || ((!(s__hit == 0) && s__state <= 8672) && 3 == blastFlag)) || ((2 == blastFlag && !(s__hit == 0)) && s__state <= 8672)) || ((blastFlag == 0 && !(s__hit == 0)) && s__state <= 8672) - InvariantResult [Line: 217]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: (((((!(s__hit == 0) && s__state <= 8672) && 3 == blastFlag) || ((2 == blastFlag && !(s__hit == 0)) && s__state <= 8672)) || ((2 == blastFlag && s__s3__tmp__next_state___0 <= 8576) && s__state < 8656)) || ((blastFlag == 0 && !(s__hit == 0)) && s__state <= 8672)) || (blastFlag == 0 && s__state < 8656) - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: ((((((blastFlag == 0 && !(8576 <= s__state)) || ((s__state < 8576 && 2 == blastFlag) && s__s3__tmp__next_state___0 <= 8576)) || ((!(s__hit == 0) && s__state <= 8672) && 3 == blastFlag)) || (blastFlag == 1 && !(8576 <= s__state))) || ((2 == blastFlag && !(s__hit == 0)) && s__state <= 8672)) || ((blastFlag == 1 && !(s__hit == 0)) && s__state <= 8672)) || ((blastFlag == 0 && !(s__hit == 0)) && s__state <= 8672) - InvariantResult [Line: 197]: Loop Invariant Derived loop invariant: ((!(s__hit == 0) && s__state <= 8672) || ((2 == blastFlag && s__s3__tmp__next_state___0 <= 8576) && s__state < 8656)) || (blastFlag == 0 && s__state < 8656) - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: (((blastFlag == 0 && 8672 <= s__state) || ((2 == blastFlag && !(s__hit == 0)) && 8672 <= s__state)) || ((s__s3__tmp__next_state___0 <= 8576 && 8672 <= s__state) && 3 == blastFlag)) || ((!(s__hit == 0) && 8672 <= s__state) && 3 == blastFlag) - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: s__state <= 8672 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: (((blastFlag == 0 && s__state <= 8672) || ((!(s__hit == 0) && s__state <= 8672) && 3 == blastFlag)) || ((2 == blastFlag && !(s__hit == 0)) && s__state <= 8672)) || ((2 == blastFlag && s__s3__tmp__next_state___0 <= 8576) && s__state <= 8672) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: ((((blastFlag == 0 && !(8576 <= s__state)) || ((s__state < 8576 && 2 == blastFlag) && s__s3__tmp__next_state___0 <= 8576)) || ((!(s__hit == 0) && s__state <= 8672) && 3 == blastFlag)) || ((2 == blastFlag && !(s__hit == 0)) && s__state <= 8672)) || ((blastFlag == 0 && !(s__hit == 0)) && s__state <= 8672) - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: ((((blastFlag == 0 && !(8576 <= s__state)) || ((!(s__hit == 0) && s__state <= 8672) && 3 == blastFlag)) || ((2 == blastFlag && !(s__hit == 0)) && s__state <= 8672)) || ((blastFlag == 0 && !(s__hit == 0)) && s__state <= 8672)) || (!(8576 <= s__state) && 2 == blastFlag) - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: ((((blastFlag == 0 && !(8576 <= s__state)) || ((!(s__hit == 0) && s__state <= 8672) && 3 == blastFlag)) || ((2 == blastFlag && !(s__hit == 0)) && s__state <= 8672)) || ((blastFlag == 0 && !(s__hit == 0)) && s__state <= 8672)) || (!(8576 <= s__state) && 2 == blastFlag) - InvariantResult [Line: 399]: Loop Invariant Derived loop invariant: ((((blastFlag == 0 && !(8576 <= s__state)) || ((!(s__hit == 0) && s__state <= 8672) && 3 == blastFlag)) || ((2 == blastFlag && !(s__hit == 0)) && s__state <= 8672)) || ((blastFlag == 0 && !(s__hit == 0)) && s__state <= 8672)) || (!(8576 <= s__state) && 2 == blastFlag) - InvariantResult [Line: 83]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 113]: Loop Invariant Derived loop invariant: ((blastFlag == 0 && 8672 <= s__state) || ((2 == blastFlag && !(s__hit == 0)) && 8672 <= s__state)) || ((!(s__hit == 0) && 8672 <= s__state) && 3 == blastFlag) - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: ((blastFlag == 0 || ((s__state < 8576 && 2 == blastFlag) && s__s3__tmp__next_state___0 <= 8576)) || (!(s__hit == 0) && 3 == blastFlag)) || (2 == blastFlag && !(s__hit == 0)) - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: (((((!(s__hit == 0) && s__state <= 8672) && 3 == blastFlag) || ((2 == blastFlag && !(s__hit == 0)) && s__state <= 8672)) || ((2 == blastFlag && s__s3__tmp__next_state___0 <= 8576) && s__state < 8656)) || ((blastFlag == 0 && !(s__hit == 0)) && s__state <= 8672)) || (blastFlag == 0 && s__state < 8656) - InvariantResult [Line: 110]: Loop Invariant Derived loop invariant: (((((((((((blastFlag == 0 || (2 == blastFlag && s__state == 8512)) || (blastFlag == 1 && 8496 == s__state)) || (2 == blastFlag && s__state == 8528)) || (2 == blastFlag && 8560 == s__state)) || (!(s__hit == 0) && 3 == blastFlag)) || (((s__s3__tmp__next_state___0 <= 8576 && s__state <= 8672) && 8672 <= s__state) && 3 == blastFlag)) || ((2 == blastFlag && s__s3__tmp__next_state___0 <= 8576) && s__state < 8656)) || ((s__state == 8656 && 2 == blastFlag) && s__s3__tmp__next_state___0 <= 8576)) || ((8448 == s__state && 3 == s__s3__tmp__next_state___0) && 3 == blastFlag)) || s__state == 3) || (2 == blastFlag && !(s__hit == 0))) || (s__state == 8544 && 2 == blastFlag) - InvariantResult [Line: 158]: Loop Invariant Derived loop invariant: ((((blastFlag == 0 && !(8576 <= s__state)) || ((!(s__hit == 0) && s__state <= 8672) && 3 == blastFlag)) || ((2 == blastFlag && !(s__hit == 0)) && s__state <= 8672)) || ((blastFlag == 0 && !(s__hit == 0)) && s__state <= 8672)) || (!(8576 <= s__state) && 2 == blastFlag) RESULT: Ultimate proved your program to be correct! [2022-04-06 13:40:03,370 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...