/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-7968f31 [2022-03-17 23:18:30,586 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-17 23:18:30,587 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-17 23:18:30,624 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-17 23:18:30,624 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-17 23:18:30,625 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-17 23:18:30,627 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-17 23:18:30,629 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-17 23:18:30,631 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-17 23:18:30,634 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-17 23:18:30,635 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-17 23:18:30,636 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-17 23:18:30,636 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-17 23:18:30,637 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-17 23:18:30,638 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-17 23:18:30,640 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-17 23:18:30,641 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-17 23:18:30,641 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-17 23:18:30,643 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-17 23:18:30,646 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-17 23:18:30,647 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-03-17 23:18:30,649 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-17 23:18:30,650 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-17 23:18:30,650 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-17 23:18:30,651 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-17 23:18:30,652 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-17 23:18:30,652 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-17 23:18:30,652 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-17 23:18:30,653 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-17 23:18:30,653 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-17 23:18:30,654 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-03-17 23:18:30,654 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-17 23:18:30,654 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-17 23:18:30,654 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-17 23:18:30,655 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-17 23:18:30,655 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-17 23:18:30,656 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-17 23:18:30,656 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-17 23:18:30,656 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-17 23:18:30,656 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-17 23:18:30,657 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-17 23:18:30,661 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-17 23:18:30,661 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/loopacceleration/qvasr/qvasr_64.epf [2022-03-17 23:18:30,685 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-17 23:18:30,685 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-17 23:18:30,686 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-17 23:18:30,686 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-17 23:18:30,687 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-17 23:18:30,687 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-17 23:18:30,687 INFO L138 SettingsManager]: * Use SBE=true [2022-03-17 23:18:30,687 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-17 23:18:30,687 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-17 23:18:30,688 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-17 23:18:30,688 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-17 23:18:30,688 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-17 23:18:30,688 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-17 23:18:30,688 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-17 23:18:30,688 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-17 23:18:30,688 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-17 23:18:30,688 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-17 23:18:30,688 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-17 23:18:30,688 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-17 23:18:30,689 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-17 23:18:30,689 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-17 23:18:30,689 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-17 23:18:30,689 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-17 23:18:30,689 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-17 23:18:30,689 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-17 23:18:30,689 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-17 23:18:30,689 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-03-17 23:18:30,689 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-03-17 23:18:30,690 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-03-17 23:18:30,690 INFO L138 SettingsManager]: * TransformationType=LOOP_ACCELERATION_QVASR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-03-17 23:18:30,864 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-17 23:18:30,878 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-17 23:18:30,880 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-17 23:18:30,881 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-17 23:18:30,881 INFO L275 PluginConnector]: CDTParser initialized [2022-03-17 23:18:30,882 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/openssl-simplified/s3_srvr_3.cil.c [2022-03-17 23:18:30,940 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d225c7968/fc48d27ecfbf4fdab6d6a61a0fd3cca9/FLAG930b13a3b [2022-03-17 23:18:31,305 INFO L306 CDTParser]: Found 1 translation units. [2022-03-17 23:18:31,305 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/openssl-simplified/s3_srvr_3.cil.c [2022-03-17 23:18:31,312 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d225c7968/fc48d27ecfbf4fdab6d6a61a0fd3cca9/FLAG930b13a3b [2022-03-17 23:18:31,732 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d225c7968/fc48d27ecfbf4fdab6d6a61a0fd3cca9 [2022-03-17 23:18:31,734 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-17 23:18:31,734 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-17 23:18:31,736 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-17 23:18:31,736 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-17 23:18:31,738 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-17 23:18:31,738 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 11:18:31" (1/1) ... [2022-03-17 23:18:31,739 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f4ffe0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:18:31, skipping insertion in model container [2022-03-17 23:18:31,739 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 11:18:31" (1/1) ... [2022-03-17 23:18:31,743 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-17 23:18:31,761 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-17 23:18:31,926 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] [2022-03-17 23:18:31,931 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-17 23:18:31,937 INFO L203 MainTranslator]: Completed pre-run [2022-03-17 23:18:31,975 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] [2022-03-17 23:18:31,978 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-17 23:18:31,986 INFO L208 MainTranslator]: Completed translation [2022-03-17 23:18:31,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:18:31 WrapperNode [2022-03-17 23:18:31,986 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-17 23:18:31,987 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-17 23:18:31,987 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-17 23:18:31,987 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-17 23:18:31,994 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:18:31" (1/1) ... [2022-03-17 23:18:31,995 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:18:31" (1/1) ... [2022-03-17 23:18:32,001 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:18:31" (1/1) ... [2022-03-17 23:18:32,001 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:18:31" (1/1) ... [2022-03-17 23:18:32,008 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:18:31" (1/1) ... [2022-03-17 23:18:32,014 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:18:31" (1/1) ... [2022-03-17 23:18:32,016 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:18:31" (1/1) ... [2022-03-17 23:18:32,019 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-17 23:18:32,019 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-17 23:18:32,019 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-17 23:18:32,020 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-17 23:18:32,020 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:18:31" (1/1) ... [2022-03-17 23:18:32,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-17 23:18:32,059 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-17 23:18:32,069 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-17 23:18:32,071 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-17 23:18:32,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-03-17 23:18:32,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-17 23:18:32,103 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-03-17 23:18:32,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_accept [2022-03-17 23:18:32,103 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-03-17 23:18:32,103 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-03-17 23:18:32,104 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-03-17 23:18:32,104 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-03-17 23:18:32,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-17 23:18:32,104 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2022-03-17 23:18:32,104 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-03-17 23:18:32,104 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2022-03-17 23:18:32,105 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_accept [2022-03-17 23:18:32,105 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-03-17 23:18:32,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-03-17 23:18:32,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-17 23:18:32,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-17 23:18:32,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-17 23:18:32,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-17 23:18:32,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-17 23:18:32,169 INFO L234 CfgBuilder]: Building ICFG [2022-03-17 23:18:32,170 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-17 23:18:32,255 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-03-17 23:18:32,602 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2022-03-17 23:18:32,603 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2022-03-17 23:18:32,607 INFO L275 CfgBuilder]: Performing block encoding [2022-03-17 23:18:32,613 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-17 23:18:32,613 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-03-17 23:18:32,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.03 11:18:32 BoogieIcfgContainer [2022-03-17 23:18:32,614 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-17 23:18:32,615 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-03-17 23:18:32,615 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-03-17 23:18:32,616 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-03-17 23:18:32,618 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.03 11:18:32" (1/1) ... [2022-03-17 23:18:32,652 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 17.03 11:18:32 BasicIcfg [2022-03-17 23:18:32,652 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-03-17 23:18:32,653 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-17 23:18:32,653 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-17 23:18:32,657 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-17 23:18:32,657 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 11:18:31" (1/4) ... [2022-03-17 23:18:32,659 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54c1809e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 11:18:32, skipping insertion in model container [2022-03-17 23:18:32,659 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:18:31" (2/4) ... [2022-03-17 23:18:32,659 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54c1809e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 11:18:32, skipping insertion in model container [2022-03-17 23:18:32,659 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.03 11:18:32" (3/4) ... [2022-03-17 23:18:32,660 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54c1809e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.03 11:18:32, skipping insertion in model container [2022-03-17 23:18:32,660 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 17.03 11:18:32" (4/4) ... [2022-03-17 23:18:32,661 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr_3.cil.cqvasr [2022-03-17 23:18:32,667 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-17 23:18:32,667 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-17 23:18:32,711 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-17 23:18:32,715 INFO L340 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP [2022-03-17 23:18:32,716 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-03-17 23:18:32,742 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) [2022-03-17 23:18:32,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-03-17 23:18:32,747 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:18:32,748 INFO L500 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 23:18:32,748 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:18:32,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:18:32,751 INFO L85 PathProgramCache]: Analyzing trace with hash 1236908682, now seen corresponding path program 1 times [2022-03-17 23:18:32,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:18:32,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091911915] [2022-03-17 23:18:32,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:18:32,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:18:32,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:18:33,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:18:33,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:18:33,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-17 23:18:33,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:18:33,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091911915] [2022-03-17 23:18:33,019 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2091911915] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:18:33,019 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:18:33,019 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-17 23:18:33,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066311196] [2022-03-17 23:18:33,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:18:33,026 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-17 23:18:33,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:18:33,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-17 23:18:33,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-17 23:18:33,053 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) [2022-03-17 23:18:33,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:18:33,371 INFO L93 Difference]: Finished difference Result 414 states and 701 transitions. [2022-03-17 23:18:33,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-17 23:18:33,373 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 [2022-03-17 23:18:33,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:18:33,385 INFO L225 Difference]: With dead ends: 414 [2022-03-17 23:18:33,385 INFO L226 Difference]: Without dead ends: 251 [2022-03-17 23:18:33,388 INFO L911 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 [2022-03-17 23:18:33,391 INFO L912 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, 0.2s IncrementalHoareTripleChecker+Time [2022-03-17 23:18:33,392 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [636 Valid, 249 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 236 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-17 23:18:33,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2022-03-17 23:18:33,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 251. [2022-03-17 23:18:33,448 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) [2022-03-17 23:18:33,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 379 transitions. [2022-03-17 23:18:33,450 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 379 transitions. Word has length 50 [2022-03-17 23:18:33,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:18:33,450 INFO L478 AbstractCegarLoop]: Abstraction has 251 states and 379 transitions. [2022-03-17 23:18:33,451 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) [2022-03-17 23:18:33,451 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 379 transitions. [2022-03-17 23:18:33,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-03-17 23:18:33,453 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:18:33,453 INFO L500 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 23:18:33,453 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-17 23:18:33,453 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:18:33,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:18:33,454 INFO L85 PathProgramCache]: Analyzing trace with hash 1031993496, now seen corresponding path program 1 times [2022-03-17 23:18:33,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:18:33,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927528285] [2022-03-17 23:18:33,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:18:33,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:18:33,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:18:33,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:18:33,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:18:33,567 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-17 23:18:33,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:18:33,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927528285] [2022-03-17 23:18:33,568 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927528285] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:18:33,568 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:18:33,568 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-17 23:18:33,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383283176] [2022-03-17 23:18:33,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:18:33,569 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-17 23:18:33,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:18:33,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-17 23:18:33,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-17 23:18:33,570 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) [2022-03-17 23:18:33,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:18:33,789 INFO L93 Difference]: Finished difference Result 400 states and 612 transitions. [2022-03-17 23:18:33,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-17 23:18:33,789 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 [2022-03-17 23:18:33,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:18:33,791 INFO L225 Difference]: With dead ends: 400 [2022-03-17 23:18:33,791 INFO L226 Difference]: Without dead ends: 280 [2022-03-17 23:18:33,792 INFO L911 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 [2022-03-17 23:18:33,792 INFO L912 BasicCegarLoop]: 213 mSDtfsCounter, 215 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 211 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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 [2022-03-17 23:18:33,794 INFO L913 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] [2022-03-17 23:18:33,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2022-03-17 23:18:33,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 272. [2022-03-17 23:18:33,818 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) [2022-03-17 23:18:33,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 405 transitions. [2022-03-17 23:18:33,819 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 405 transitions. Word has length 66 [2022-03-17 23:18:33,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:18:33,819 INFO L478 AbstractCegarLoop]: Abstraction has 272 states and 405 transitions. [2022-03-17 23:18:33,820 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) [2022-03-17 23:18:33,820 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 405 transitions. [2022-03-17 23:18:33,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-03-17 23:18:33,822 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:18:33,822 INFO L500 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] [2022-03-17 23:18:33,822 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-17 23:18:33,822 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:18:33,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:18:33,825 INFO L85 PathProgramCache]: Analyzing trace with hash -1138429839, now seen corresponding path program 1 times [2022-03-17 23:18:33,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:18:33,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973484370] [2022-03-17 23:18:33,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:18:33,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:18:33,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:18:33,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:18:33,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:18:33,936 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-03-17 23:18:33,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:18:33,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973484370] [2022-03-17 23:18:33,936 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973484370] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:18:33,936 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:18:33,937 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-17 23:18:33,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047994438] [2022-03-17 23:18:33,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:18:33,937 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-17 23:18:33,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:18:33,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-17 23:18:33,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-17 23:18:33,938 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) [2022-03-17 23:18:34,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:18:34,180 INFO L93 Difference]: Finished difference Result 622 states and 957 transitions. [2022-03-17 23:18:34,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-17 23:18:34,181 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 [2022-03-17 23:18:34,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:18:34,182 INFO L225 Difference]: With dead ends: 622 [2022-03-17 23:18:34,182 INFO L226 Difference]: Without dead ends: 364 [2022-03-17 23:18:34,183 INFO L911 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 [2022-03-17 23:18:34,184 INFO L912 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 [2022-03-17 23:18:34,184 INFO L913 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] [2022-03-17 23:18:34,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2022-03-17 23:18:34,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 356. [2022-03-17 23:18:34,193 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) [2022-03-17 23:18:34,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 499 transitions. [2022-03-17 23:18:34,194 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 499 transitions. Word has length 87 [2022-03-17 23:18:34,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:18:34,195 INFO L478 AbstractCegarLoop]: Abstraction has 356 states and 499 transitions. [2022-03-17 23:18:34,195 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) [2022-03-17 23:18:34,195 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 499 transitions. [2022-03-17 23:18:34,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-03-17 23:18:34,197 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:18:34,198 INFO L500 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] [2022-03-17 23:18:34,198 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-17 23:18:34,198 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:18:34,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:18:34,198 INFO L85 PathProgramCache]: Analyzing trace with hash -1014356592, now seen corresponding path program 1 times [2022-03-17 23:18:34,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:18:34,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086769080] [2022-03-17 23:18:34,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:18:34,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:18:34,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:18:34,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:18:34,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:18:34,235 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-03-17 23:18:34,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:18:34,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086769080] [2022-03-17 23:18:34,235 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086769080] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:18:34,235 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:18:34,235 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-17 23:18:34,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316927977] [2022-03-17 23:18:34,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:18:34,236 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-17 23:18:34,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:18:34,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-17 23:18:34,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-17 23:18:34,236 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) [2022-03-17 23:18:34,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:18:34,418 INFO L93 Difference]: Finished difference Result 752 states and 1074 transitions. [2022-03-17 23:18:34,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-17 23:18:34,418 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 [2022-03-17 23:18:34,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:18:34,420 INFO L225 Difference]: With dead ends: 752 [2022-03-17 23:18:34,420 INFO L226 Difference]: Without dead ends: 410 [2022-03-17 23:18:34,421 INFO L911 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 [2022-03-17 23:18:34,422 INFO L912 BasicCegarLoop]: 214 mSDtfsCounter, 214 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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 [2022-03-17 23:18:34,422 INFO L913 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] [2022-03-17 23:18:34,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2022-03-17 23:18:34,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 402. [2022-03-17 23:18:34,429 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) [2022-03-17 23:18:34,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 555 transitions. [2022-03-17 23:18:34,431 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 555 transitions. Word has length 87 [2022-03-17 23:18:34,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:18:34,431 INFO L478 AbstractCegarLoop]: Abstraction has 402 states and 555 transitions. [2022-03-17 23:18:34,431 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) [2022-03-17 23:18:34,431 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 555 transitions. [2022-03-17 23:18:34,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-03-17 23:18:34,433 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:18:34,433 INFO L500 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] [2022-03-17 23:18:34,434 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-17 23:18:34,434 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:18:34,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:18:34,434 INFO L85 PathProgramCache]: Analyzing trace with hash 1398536152, now seen corresponding path program 1 times [2022-03-17 23:18:34,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:18:34,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339106822] [2022-03-17 23:18:34,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:18:34,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:18:34,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:18:34,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:18:34,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:18:34,477 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-03-17 23:18:34,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:18:34,477 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339106822] [2022-03-17 23:18:34,477 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339106822] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:18:34,477 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:18:34,477 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-17 23:18:34,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767369426] [2022-03-17 23:18:34,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:18:34,478 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-17 23:18:34,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:18:34,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-17 23:18:34,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-17 23:18:34,479 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) [2022-03-17 23:18:34,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:18:34,671 INFO L93 Difference]: Finished difference Result 866 states and 1226 transitions. [2022-03-17 23:18:34,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-17 23:18:34,672 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 [2022-03-17 23:18:34,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:18:34,673 INFO L225 Difference]: With dead ends: 866 [2022-03-17 23:18:34,673 INFO L226 Difference]: Without dead ends: 478 [2022-03-17 23:18:34,674 INFO L911 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 [2022-03-17 23:18:34,675 INFO L912 BasicCegarLoop]: 213 mSDtfsCounter, 246 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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 [2022-03-17 23:18:34,675 INFO L913 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] [2022-03-17 23:18:34,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478 states. [2022-03-17 23:18:34,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478 to 452. [2022-03-17 23:18:34,683 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) [2022-03-17 23:18:34,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 615 transitions. [2022-03-17 23:18:34,684 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 615 transitions. Word has length 108 [2022-03-17 23:18:34,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:18:34,684 INFO L478 AbstractCegarLoop]: Abstraction has 452 states and 615 transitions. [2022-03-17 23:18:34,684 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) [2022-03-17 23:18:34,685 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 615 transitions. [2022-03-17 23:18:34,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-03-17 23:18:34,686 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:18:34,686 INFO L500 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] [2022-03-17 23:18:34,686 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-17 23:18:34,686 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:18:34,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:18:34,686 INFO L85 PathProgramCache]: Analyzing trace with hash -908571326, now seen corresponding path program 1 times [2022-03-17 23:18:34,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:18:34,686 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440709120] [2022-03-17 23:18:34,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:18:34,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:18:34,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:18:34,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:18:34,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:18:34,732 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-03-17 23:18:34,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:18:34,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440709120] [2022-03-17 23:18:34,733 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440709120] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:18:34,733 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:18:34,733 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-17 23:18:34,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716028371] [2022-03-17 23:18:34,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:18:34,733 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-17 23:18:34,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:18:34,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-17 23:18:34,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-17 23:18:34,734 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) [2022-03-17 23:18:34,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:18:34,899 INFO L93 Difference]: Finished difference Result 908 states and 1239 transitions. [2022-03-17 23:18:34,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-17 23:18:34,899 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 [2022-03-17 23:18:34,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:18:34,901 INFO L225 Difference]: With dead ends: 908 [2022-03-17 23:18:34,901 INFO L226 Difference]: Without dead ends: 677 [2022-03-17 23:18:34,902 INFO L911 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 [2022-03-17 23:18:34,902 INFO L912 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, 0.1s IncrementalHoareTripleChecker+Time [2022-03-17 23:18:34,903 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [330 Valid, 376 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-17 23:18:34,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 677 states. [2022-03-17 23:18:34,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 677 to 677. [2022-03-17 23:18:34,912 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) [2022-03-17 23:18:34,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 677 states and 919 transitions. [2022-03-17 23:18:34,914 INFO L78 Accepts]: Start accepts. Automaton has 677 states and 919 transitions. Word has length 127 [2022-03-17 23:18:34,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:18:34,915 INFO L478 AbstractCegarLoop]: Abstraction has 677 states and 919 transitions. [2022-03-17 23:18:34,915 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) [2022-03-17 23:18:34,915 INFO L276 IsEmpty]: Start isEmpty. Operand 677 states and 919 transitions. [2022-03-17 23:18:34,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-03-17 23:18:34,916 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:18:34,916 INFO L500 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] [2022-03-17 23:18:34,917 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-03-17 23:18:34,917 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:18:34,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:18:34,917 INFO L85 PathProgramCache]: Analyzing trace with hash -1357267965, now seen corresponding path program 1 times [2022-03-17 23:18:34,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:18:34,917 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687360732] [2022-03-17 23:18:34,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:18:34,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:18:34,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:18:34,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:18:34,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:18:34,954 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-03-17 23:18:34,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:18:34,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687360732] [2022-03-17 23:18:34,955 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1687360732] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:18:34,955 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:18:34,955 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-17 23:18:34,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517254283] [2022-03-17 23:18:34,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:18:34,955 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-17 23:18:34,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:18:34,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-17 23:18:34,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-17 23:18:34,956 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) [2022-03-17 23:18:35,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:18:35,168 INFO L93 Difference]: Finished difference Result 1360 states and 1850 transitions. [2022-03-17 23:18:35,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-17 23:18:35,168 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 [2022-03-17 23:18:35,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:18:35,171 INFO L225 Difference]: With dead ends: 1360 [2022-03-17 23:18:35,171 INFO L226 Difference]: Without dead ends: 904 [2022-03-17 23:18:35,172 INFO L911 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 [2022-03-17 23:18:35,172 INFO L912 BasicCegarLoop]: 372 mSDtfsCounter, 331 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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 [2022-03-17 23:18:35,173 INFO L913 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] [2022-03-17 23:18:35,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 904 states. [2022-03-17 23:18:35,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 904 to 904. [2022-03-17 23:18:35,186 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) [2022-03-17 23:18:35,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 904 states to 904 states and 1226 transitions. [2022-03-17 23:18:35,189 INFO L78 Accepts]: Start accepts. Automaton has 904 states and 1226 transitions. Word has length 127 [2022-03-17 23:18:35,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:18:35,189 INFO L478 AbstractCegarLoop]: Abstraction has 904 states and 1226 transitions. [2022-03-17 23:18:35,189 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) [2022-03-17 23:18:35,189 INFO L276 IsEmpty]: Start isEmpty. Operand 904 states and 1226 transitions. [2022-03-17 23:18:35,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-03-17 23:18:35,191 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:18:35,191 INFO L500 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] [2022-03-17 23:18:35,191 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-03-17 23:18:35,191 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:18:35,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:18:35,191 INFO L85 PathProgramCache]: Analyzing trace with hash -149349790, now seen corresponding path program 1 times [2022-03-17 23:18:35,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:18:35,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17541135] [2022-03-17 23:18:35,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:18:35,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:18:35,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:18:35,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:18:35,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:18:35,221 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2022-03-17 23:18:35,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:18:35,221 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17541135] [2022-03-17 23:18:35,221 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17541135] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:18:35,221 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:18:35,222 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-17 23:18:35,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176008516] [2022-03-17 23:18:35,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:18:35,222 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-17 23:18:35,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:18:35,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-17 23:18:35,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-17 23:18:35,223 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) [2022-03-17 23:18:35,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:18:35,395 INFO L93 Difference]: Finished difference Result 1611 states and 2182 transitions. [2022-03-17 23:18:35,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-17 23:18:35,396 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 [2022-03-17 23:18:35,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:18:35,398 INFO L225 Difference]: With dead ends: 1611 [2022-03-17 23:18:35,398 INFO L226 Difference]: Without dead ends: 928 [2022-03-17 23:18:35,400 INFO L911 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 [2022-03-17 23:18:35,402 INFO L912 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, 0.1s IncrementalHoareTripleChecker+Time [2022-03-17 23:18:35,402 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [207 Valid, 235 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-17 23:18:35,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 928 states. [2022-03-17 23:18:35,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 928 to 928. [2022-03-17 23:18:35,439 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) [2022-03-17 23:18:35,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 928 states to 928 states and 1255 transitions. [2022-03-17 23:18:35,442 INFO L78 Accepts]: Start accepts. Automaton has 928 states and 1255 transitions. Word has length 127 [2022-03-17 23:18:35,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:18:35,442 INFO L478 AbstractCegarLoop]: Abstraction has 928 states and 1255 transitions. [2022-03-17 23:18:35,442 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) [2022-03-17 23:18:35,442 INFO L276 IsEmpty]: Start isEmpty. Operand 928 states and 1255 transitions. [2022-03-17 23:18:35,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-03-17 23:18:35,444 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:18:35,444 INFO L500 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] [2022-03-17 23:18:35,444 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-03-17 23:18:35,445 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:18:35,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:18:35,445 INFO L85 PathProgramCache]: Analyzing trace with hash -718470609, now seen corresponding path program 1 times [2022-03-17 23:18:35,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:18:35,445 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993269164] [2022-03-17 23:18:35,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:18:35,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:18:35,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:18:35,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:18:35,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:18:35,492 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-03-17 23:18:35,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:18:35,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993269164] [2022-03-17 23:18:35,492 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1993269164] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:18:35,492 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:18:35,492 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-17 23:18:35,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427082720] [2022-03-17 23:18:35,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:18:35,493 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-17 23:18:35,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:18:35,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-17 23:18:35,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-17 23:18:35,493 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) [2022-03-17 23:18:35,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:18:35,696 INFO L93 Difference]: Finished difference Result 2011 states and 2787 transitions. [2022-03-17 23:18:35,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-17 23:18:35,696 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 [2022-03-17 23:18:35,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:18:35,700 INFO L225 Difference]: With dead ends: 2011 [2022-03-17 23:18:35,700 INFO L226 Difference]: Without dead ends: 1097 [2022-03-17 23:18:35,701 INFO L911 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 [2022-03-17 23:18:35,702 INFO L912 BasicCegarLoop]: 211 mSDtfsCounter, 238 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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 [2022-03-17 23:18:35,703 INFO L913 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] [2022-03-17 23:18:35,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1097 states. [2022-03-17 23:18:35,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1097 to 1051. [2022-03-17 23:18:35,719 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) [2022-03-17 23:18:35,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1051 states to 1051 states and 1402 transitions. [2022-03-17 23:18:35,722 INFO L78 Accepts]: Start accepts. Automaton has 1051 states and 1402 transitions. Word has length 165 [2022-03-17 23:18:35,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:18:35,722 INFO L478 AbstractCegarLoop]: Abstraction has 1051 states and 1402 transitions. [2022-03-17 23:18:35,722 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) [2022-03-17 23:18:35,723 INFO L276 IsEmpty]: Start isEmpty. Operand 1051 states and 1402 transitions. [2022-03-17 23:18:35,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2022-03-17 23:18:35,725 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:18:35,725 INFO L500 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] [2022-03-17 23:18:35,725 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-03-17 23:18:35,725 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:18:35,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:18:35,725 INFO L85 PathProgramCache]: Analyzing trace with hash 660571069, now seen corresponding path program 1 times [2022-03-17 23:18:35,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:18:35,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817645366] [2022-03-17 23:18:35,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:18:35,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:18:35,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:18:35,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:18:35,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:18:35,765 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2022-03-17 23:18:35,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:18:35,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817645366] [2022-03-17 23:18:35,765 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817645366] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:18:35,765 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:18:35,765 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-17 23:18:35,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307192081] [2022-03-17 23:18:35,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:18:35,766 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-17 23:18:35,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:18:35,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-17 23:18:35,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-17 23:18:35,767 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) [2022-03-17 23:18:35,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:18:35,940 INFO L93 Difference]: Finished difference Result 2314 states and 3176 transitions. [2022-03-17 23:18:35,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-17 23:18:35,940 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 [2022-03-17 23:18:35,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:18:35,944 INFO L225 Difference]: With dead ends: 2314 [2022-03-17 23:18:35,944 INFO L226 Difference]: Without dead ends: 1273 [2022-03-17 23:18:35,945 INFO L911 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 [2022-03-17 23:18:35,946 INFO L912 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 [2022-03-17 23:18:35,946 INFO L913 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] [2022-03-17 23:18:35,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1273 states. [2022-03-17 23:18:35,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1273 to 1255. [2022-03-17 23:18:35,966 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) [2022-03-17 23:18:35,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1741 transitions. [2022-03-17 23:18:35,969 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1741 transitions. Word has length 178 [2022-03-17 23:18:35,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:18:35,969 INFO L478 AbstractCegarLoop]: Abstraction has 1255 states and 1741 transitions. [2022-03-17 23:18:35,969 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) [2022-03-17 23:18:35,970 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1741 transitions. [2022-03-17 23:18:35,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2022-03-17 23:18:35,972 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:18:35,972 INFO L500 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] [2022-03-17 23:18:35,972 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-03-17 23:18:35,973 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:18:35,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:18:35,974 INFO L85 PathProgramCache]: Analyzing trace with hash 1568087176, now seen corresponding path program 1 times [2022-03-17 23:18:35,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:18:35,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465864451] [2022-03-17 23:18:35,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:18:35,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:18:35,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:18:36,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:18:36,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:18:36,022 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 220 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2022-03-17 23:18:36,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:18:36,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465864451] [2022-03-17 23:18:36,022 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1465864451] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:18:36,023 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:18:36,023 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-17 23:18:36,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687022971] [2022-03-17 23:18:36,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:18:36,023 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-17 23:18:36,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:18:36,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-17 23:18:36,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-17 23:18:36,024 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) [2022-03-17 23:18:36,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:18:36,220 INFO L93 Difference]: Finished difference Result 2620 states and 3684 transitions. [2022-03-17 23:18:36,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-17 23:18:36,220 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 [2022-03-17 23:18:36,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:18:36,224 INFO L225 Difference]: With dead ends: 2620 [2022-03-17 23:18:36,224 INFO L226 Difference]: Without dead ends: 1379 [2022-03-17 23:18:36,226 INFO L911 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 [2022-03-17 23:18:36,226 INFO L912 BasicCegarLoop]: 201 mSDtfsCounter, 220 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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 [2022-03-17 23:18:36,226 INFO L913 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] [2022-03-17 23:18:36,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1379 states. [2022-03-17 23:18:36,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1379 to 1379. [2022-03-17 23:18:36,247 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) [2022-03-17 23:18:36,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1379 states to 1379 states and 1885 transitions. [2022-03-17 23:18:36,250 INFO L78 Accepts]: Start accepts. Automaton has 1379 states and 1885 transitions. Word has length 207 [2022-03-17 23:18:36,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:18:36,250 INFO L478 AbstractCegarLoop]: Abstraction has 1379 states and 1885 transitions. [2022-03-17 23:18:36,250 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) [2022-03-17 23:18:36,250 INFO L276 IsEmpty]: Start isEmpty. Operand 1379 states and 1885 transitions. [2022-03-17 23:18:36,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2022-03-17 23:18:36,253 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:18:36,253 INFO L500 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] [2022-03-17 23:18:36,253 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-03-17 23:18:36,254 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:18:36,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:18:36,254 INFO L85 PathProgramCache]: Analyzing trace with hash 479418076, now seen corresponding path program 1 times [2022-03-17 23:18:36,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:18:36,254 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95326179] [2022-03-17 23:18:36,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:18:36,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:18:36,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:18:36,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:18:36,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:18:36,301 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2022-03-17 23:18:36,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:18:36,301 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95326179] [2022-03-17 23:18:36,301 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95326179] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:18:36,301 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:18:36,301 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-17 23:18:36,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352534836] [2022-03-17 23:18:36,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:18:36,302 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-17 23:18:36,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:18:36,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-17 23:18:36,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-17 23:18:36,302 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) [2022-03-17 23:18:36,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:18:36,510 INFO L93 Difference]: Finished difference Result 2912 states and 4056 transitions. [2022-03-17 23:18:36,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-17 23:18:36,511 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 [2022-03-17 23:18:36,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:18:36,514 INFO L225 Difference]: With dead ends: 2912 [2022-03-17 23:18:36,514 INFO L226 Difference]: Without dead ends: 1372 [2022-03-17 23:18:36,516 INFO L911 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 [2022-03-17 23:18:36,517 INFO L912 BasicCegarLoop]: 213 mSDtfsCounter, 206 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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 [2022-03-17 23:18:36,517 INFO L913 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] [2022-03-17 23:18:36,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1372 states. [2022-03-17 23:18:36,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1372 to 1372. [2022-03-17 23:18:36,538 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) [2022-03-17 23:18:36,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1372 states to 1372 states and 1867 transitions. [2022-03-17 23:18:36,542 INFO L78 Accepts]: Start accepts. Automaton has 1372 states and 1867 transitions. Word has length 235 [2022-03-17 23:18:36,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:18:36,542 INFO L478 AbstractCegarLoop]: Abstraction has 1372 states and 1867 transitions. [2022-03-17 23:18:36,542 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) [2022-03-17 23:18:36,543 INFO L276 IsEmpty]: Start isEmpty. Operand 1372 states and 1867 transitions. [2022-03-17 23:18:36,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2022-03-17 23:18:36,576 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:18:36,576 INFO L500 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] [2022-03-17 23:18:36,576 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-03-17 23:18:36,576 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:18:36,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:18:36,576 INFO L85 PathProgramCache]: Analyzing trace with hash 1347257741, now seen corresponding path program 1 times [2022-03-17 23:18:36,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:18:36,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009171409] [2022-03-17 23:18:36,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:18:36,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:18:36,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:18:36,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:18:36,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:18:36,630 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 429 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2022-03-17 23:18:36,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:18:36,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009171409] [2022-03-17 23:18:36,630 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1009171409] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:18:36,630 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:18:36,630 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-17 23:18:36,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533884833] [2022-03-17 23:18:36,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:18:36,631 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-17 23:18:36,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:18:36,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-17 23:18:36,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-17 23:18:36,632 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) [2022-03-17 23:18:36,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:18:36,808 INFO L93 Difference]: Finished difference Result 3945 states and 5397 transitions. [2022-03-17 23:18:36,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-17 23:18:36,808 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 [2022-03-17 23:18:36,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:18:36,812 INFO L225 Difference]: With dead ends: 3945 [2022-03-17 23:18:36,812 INFO L226 Difference]: Without dead ends: 1651 [2022-03-17 23:18:36,815 INFO L911 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 [2022-03-17 23:18:36,816 INFO L912 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 [2022-03-17 23:18:36,816 INFO L913 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] [2022-03-17 23:18:36,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1651 states. [2022-03-17 23:18:36,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1651 to 1649. [2022-03-17 23:18:36,840 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) [2022-03-17 23:18:36,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1649 states to 1649 states and 2246 transitions. [2022-03-17 23:18:36,847 INFO L78 Accepts]: Start accepts. Automaton has 1649 states and 2246 transitions. Word has length 275 [2022-03-17 23:18:36,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:18:36,847 INFO L478 AbstractCegarLoop]: Abstraction has 1649 states and 2246 transitions. [2022-03-17 23:18:36,848 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) [2022-03-17 23:18:36,848 INFO L276 IsEmpty]: Start isEmpty. Operand 1649 states and 2246 transitions. [2022-03-17 23:18:36,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2022-03-17 23:18:36,851 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:18:36,851 INFO L500 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] [2022-03-17 23:18:36,851 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-03-17 23:18:36,851 INFO L403 AbstractCegarLoop]: === Iteration 14 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:18:36,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:18:36,851 INFO L85 PathProgramCache]: Analyzing trace with hash -2113328964, now seen corresponding path program 1 times [2022-03-17 23:18:36,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:18:36,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665909400] [2022-03-17 23:18:36,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:18:36,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:18:36,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:18:36,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:18:36,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:18:36,895 INFO L134 CoverageAnalysis]: Checked inductivity of 954 backedges. 500 proven. 0 refuted. 0 times theorem prover too weak. 454 trivial. 0 not checked. [2022-03-17 23:18:36,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:18:36,895 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665909400] [2022-03-17 23:18:36,895 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665909400] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:18:36,895 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:18:36,895 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-17 23:18:36,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744566579] [2022-03-17 23:18:36,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:18:36,896 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-17 23:18:36,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:18:36,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-17 23:18:36,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-17 23:18:36,897 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) [2022-03-17 23:18:37,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:18:37,085 INFO L93 Difference]: Finished difference Result 3459 states and 4769 transitions. [2022-03-17 23:18:37,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-17 23:18:37,086 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 [2022-03-17 23:18:37,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:18:37,090 INFO L225 Difference]: With dead ends: 3459 [2022-03-17 23:18:37,090 INFO L226 Difference]: Without dead ends: 1824 [2022-03-17 23:18:37,092 INFO L911 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 [2022-03-17 23:18:37,093 INFO L912 BasicCegarLoop]: 210 mSDtfsCounter, 224 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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 [2022-03-17 23:18:37,093 INFO L913 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] [2022-03-17 23:18:37,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1824 states. [2022-03-17 23:18:37,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1824 to 1784. [2022-03-17 23:18:37,120 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) [2022-03-17 23:18:37,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1784 states to 1784 states and 2406 transitions. [2022-03-17 23:18:37,124 INFO L78 Accepts]: Start accepts. Automaton has 1784 states and 2406 transitions. Word has length 322 [2022-03-17 23:18:37,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:18:37,124 INFO L478 AbstractCegarLoop]: Abstraction has 1784 states and 2406 transitions. [2022-03-17 23:18:37,124 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) [2022-03-17 23:18:37,124 INFO L276 IsEmpty]: Start isEmpty. Operand 1784 states and 2406 transitions. [2022-03-17 23:18:37,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2022-03-17 23:18:37,127 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:18:37,128 INFO L500 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] [2022-03-17 23:18:37,128 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-03-17 23:18:37,128 INFO L403 AbstractCegarLoop]: === Iteration 15 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:18:37,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:18:37,128 INFO L85 PathProgramCache]: Analyzing trace with hash 1283305930, now seen corresponding path program 1 times [2022-03-17 23:18:37,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:18:37,128 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169378169] [2022-03-17 23:18:37,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:18:37,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:18:37,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:18:37,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:18:37,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:18:37,183 INFO L134 CoverageAnalysis]: Checked inductivity of 1151 backedges. 642 proven. 0 refuted. 0 times theorem prover too weak. 509 trivial. 0 not checked. [2022-03-17 23:18:37,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:18:37,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169378169] [2022-03-17 23:18:37,183 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169378169] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:18:37,183 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:18:37,184 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-17 23:18:37,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218887701] [2022-03-17 23:18:37,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:18:37,184 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-17 23:18:37,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:18:37,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-17 23:18:37,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-17 23:18:37,185 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) [2022-03-17 23:18:37,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:18:37,383 INFO L93 Difference]: Finished difference Result 3709 states and 5054 transitions. [2022-03-17 23:18:37,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-17 23:18:37,383 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 [2022-03-17 23:18:37,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:18:37,388 INFO L225 Difference]: With dead ends: 3709 [2022-03-17 23:18:37,388 INFO L226 Difference]: Without dead ends: 1939 [2022-03-17 23:18:37,391 INFO L911 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 [2022-03-17 23:18:37,392 INFO L912 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 [2022-03-17 23:18:37,392 INFO L913 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] [2022-03-17 23:18:37,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1939 states. [2022-03-17 23:18:37,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1939 to 1929. [2022-03-17 23:18:37,421 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) [2022-03-17 23:18:37,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1929 states to 1929 states and 2576 transitions. [2022-03-17 23:18:37,424 INFO L78 Accepts]: Start accepts. Automaton has 1929 states and 2576 transitions. Word has length 345 [2022-03-17 23:18:37,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:18:37,424 INFO L478 AbstractCegarLoop]: Abstraction has 1929 states and 2576 transitions. [2022-03-17 23:18:37,425 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) [2022-03-17 23:18:37,425 INFO L276 IsEmpty]: Start isEmpty. Operand 1929 states and 2576 transitions. [2022-03-17 23:18:37,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2022-03-17 23:18:37,428 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:18:37,428 INFO L500 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] [2022-03-17 23:18:37,429 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-03-17 23:18:37,429 INFO L403 AbstractCegarLoop]: === Iteration 16 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:18:37,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:18:37,429 INFO L85 PathProgramCache]: Analyzing trace with hash -1675230557, now seen corresponding path program 1 times [2022-03-17 23:18:37,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:18:37,429 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6634073] [2022-03-17 23:18:37,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:18:37,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:18:37,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:18:37,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:18:37,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:18:37,516 INFO L134 CoverageAnalysis]: Checked inductivity of 1396 backedges. 905 proven. 26 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2022-03-17 23:18:37,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:18:37,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6634073] [2022-03-17 23:18:37,517 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6634073] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-17 23:18:37,517 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [599388825] [2022-03-17 23:18:37,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:18:37,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-17 23:18:37,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-17 23:18:37,524 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) [2022-03-17 23:18:37,529 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-03-17 23:18:37,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:18:37,640 INFO L263 TraceCheckSpWp]: Trace formula consists of 689 conjuncts, 3 conjunts are in the unsatisfiable core [2022-03-17 23:18:37,657 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-17 23:18:38,131 INFO L134 CoverageAnalysis]: Checked inductivity of 1396 backedges. 905 proven. 26 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2022-03-17 23:18:38,132 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-17 23:18:38,614 INFO L134 CoverageAnalysis]: Checked inductivity of 1396 backedges. 905 proven. 26 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2022-03-17 23:18:38,615 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [599388825] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-17 23:18:38,615 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-17 23:18:38,615 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 7 [2022-03-17 23:18:38,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619363479] [2022-03-17 23:18:38,615 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-17 23:18:38,616 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-17 23:18:38,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:18:38,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-17 23:18:38,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-03-17 23:18:38,616 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) [2022-03-17 23:18:39,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:18:39,378 INFO L93 Difference]: Finished difference Result 4992 states and 6780 transitions. [2022-03-17 23:18:39,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-17 23:18:39,378 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 [2022-03-17 23:18:39,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:18:39,386 INFO L225 Difference]: With dead ends: 4992 [2022-03-17 23:18:39,386 INFO L226 Difference]: Without dead ends: 2921 [2022-03-17 23:18:39,389 INFO L911 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 [2022-03-17 23:18:39,389 INFO L912 BasicCegarLoop]: 301 mSDtfsCounter, 702 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 1195 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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, 0.7s IncrementalHoareTripleChecker+Time [2022-03-17 23:18:39,389 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [702 Valid, 323 Invalid, 1277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 1195 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-03-17 23:18:39,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2921 states. [2022-03-17 23:18:39,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2921 to 2067. [2022-03-17 23:18:39,425 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) [2022-03-17 23:18:39,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2067 states to 2067 states and 2772 transitions. [2022-03-17 23:18:39,427 INFO L78 Accepts]: Start accepts. Automaton has 2067 states and 2772 transitions. Word has length 378 [2022-03-17 23:18:39,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:18:39,428 INFO L478 AbstractCegarLoop]: Abstraction has 2067 states and 2772 transitions. [2022-03-17 23:18:39,428 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) [2022-03-17 23:18:39,428 INFO L276 IsEmpty]: Start isEmpty. Operand 2067 states and 2772 transitions. [2022-03-17 23:18:39,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 479 [2022-03-17 23:18:39,433 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:18:39,433 INFO L500 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] [2022-03-17 23:18:39,451 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-03-17 23:18:39,651 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 [2022-03-17 23:18:39,651 INFO L403 AbstractCegarLoop]: === Iteration 17 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:18:39,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:18:39,652 INFO L85 PathProgramCache]: Analyzing trace with hash 1906514014, now seen corresponding path program 1 times [2022-03-17 23:18:39,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:18:39,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324974592] [2022-03-17 23:18:39,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:18:39,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:18:39,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:18:39,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:18:39,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:18:39,708 INFO L134 CoverageAnalysis]: Checked inductivity of 2338 backedges. 1323 proven. 0 refuted. 0 times theorem prover too weak. 1015 trivial. 0 not checked. [2022-03-17 23:18:39,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:18:39,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324974592] [2022-03-17 23:18:39,708 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324974592] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:18:39,708 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:18:39,708 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-17 23:18:39,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854820226] [2022-03-17 23:18:39,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:18:39,709 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-17 23:18:39,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:18:39,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-17 23:18:39,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-17 23:18:39,709 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) [2022-03-17 23:18:39,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:18:39,921 INFO L93 Difference]: Finished difference Result 4372 states and 5960 transitions. [2022-03-17 23:18:39,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-17 23:18:39,921 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 [2022-03-17 23:18:39,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:18:39,965 INFO L225 Difference]: With dead ends: 4372 [2022-03-17 23:18:39,965 INFO L226 Difference]: Without dead ends: 2319 [2022-03-17 23:18:39,967 INFO L911 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 [2022-03-17 23:18:39,968 INFO L912 BasicCegarLoop]: 210 mSDtfsCounter, 205 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 221 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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 [2022-03-17 23:18:39,968 INFO L913 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] [2022-03-17 23:18:39,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2319 states. [2022-03-17 23:18:40,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2319 to 2305. [2022-03-17 23:18:40,002 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) [2022-03-17 23:18:40,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2305 states to 2305 states and 3045 transitions. [2022-03-17 23:18:40,004 INFO L78 Accepts]: Start accepts. Automaton has 2305 states and 3045 transitions. Word has length 478 [2022-03-17 23:18:40,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:18:40,005 INFO L478 AbstractCegarLoop]: Abstraction has 2305 states and 3045 transitions. [2022-03-17 23:18:40,005 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) [2022-03-17 23:18:40,005 INFO L276 IsEmpty]: Start isEmpty. Operand 2305 states and 3045 transitions. [2022-03-17 23:18:40,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 541 [2022-03-17 23:18:40,011 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:18:40,012 INFO L500 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] [2022-03-17 23:18:40,012 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-03-17 23:18:40,012 INFO L403 AbstractCegarLoop]: === Iteration 18 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:18:40,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:18:40,012 INFO L85 PathProgramCache]: Analyzing trace with hash 1365116496, now seen corresponding path program 1 times [2022-03-17 23:18:40,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:18:40,012 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140335464] [2022-03-17 23:18:40,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:18:40,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:18:40,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:18:40,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:18:40,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:18:40,075 INFO L134 CoverageAnalysis]: Checked inductivity of 3103 backedges. 1760 proven. 0 refuted. 0 times theorem prover too weak. 1343 trivial. 0 not checked. [2022-03-17 23:18:40,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:18:40,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140335464] [2022-03-17 23:18:40,075 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [140335464] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:18:40,075 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:18:40,075 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-17 23:18:40,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893287136] [2022-03-17 23:18:40,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:18:40,076 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-17 23:18:40,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:18:40,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-17 23:18:40,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-17 23:18:40,076 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) [2022-03-17 23:18:40,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:18:40,291 INFO L93 Difference]: Finished difference Result 4862 states and 6534 transitions. [2022-03-17 23:18:40,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-17 23:18:40,291 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 [2022-03-17 23:18:40,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:18:40,297 INFO L225 Difference]: With dead ends: 4862 [2022-03-17 23:18:40,297 INFO L226 Difference]: Without dead ends: 2571 [2022-03-17 23:18:40,300 INFO L911 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 [2022-03-17 23:18:40,300 INFO L912 BasicCegarLoop]: 210 mSDtfsCounter, 205 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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 [2022-03-17 23:18:40,300 INFO L913 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] [2022-03-17 23:18:40,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2571 states. [2022-03-17 23:18:40,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2571 to 2557. [2022-03-17 23:18:40,335 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) [2022-03-17 23:18:40,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2557 states to 2557 states and 3332 transitions. [2022-03-17 23:18:40,338 INFO L78 Accepts]: Start accepts. Automaton has 2557 states and 3332 transitions. Word has length 540 [2022-03-17 23:18:40,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:18:40,338 INFO L478 AbstractCegarLoop]: Abstraction has 2557 states and 3332 transitions. [2022-03-17 23:18:40,338 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) [2022-03-17 23:18:40,338 INFO L276 IsEmpty]: Start isEmpty. Operand 2557 states and 3332 transitions. [2022-03-17 23:18:40,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 607 [2022-03-17 23:18:40,342 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:18:40,343 INFO L500 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] [2022-03-17 23:18:40,343 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-03-17 23:18:40,344 INFO L403 AbstractCegarLoop]: === Iteration 19 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:18:40,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:18:40,344 INFO L85 PathProgramCache]: Analyzing trace with hash 325131742, now seen corresponding path program 1 times [2022-03-17 23:18:40,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:18:40,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183965721] [2022-03-17 23:18:40,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:18:40,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:18:40,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:18:40,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:18:40,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:18:40,430 INFO L134 CoverageAnalysis]: Checked inductivity of 4010 backedges. 2316 proven. 26 refuted. 0 times theorem prover too weak. 1668 trivial. 0 not checked. [2022-03-17 23:18:40,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:18:40,430 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183965721] [2022-03-17 23:18:40,430 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [183965721] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-17 23:18:40,430 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1929139842] [2022-03-17 23:18:40,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:18:40,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-17 23:18:40,430 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-17 23:18:40,431 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) [2022-03-17 23:18:40,464 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-17 23:18:40,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:18:40,565 INFO L263 TraceCheckSpWp]: Trace formula consists of 995 conjuncts, 3 conjunts are in the unsatisfiable core [2022-03-17 23:18:40,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-17 23:18:41,302 INFO L134 CoverageAnalysis]: Checked inductivity of 4010 backedges. 2316 proven. 26 refuted. 0 times theorem prover too weak. 1668 trivial. 0 not checked. [2022-03-17 23:18:41,303 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-17 23:18:42,065 INFO L134 CoverageAnalysis]: Checked inductivity of 4010 backedges. 2316 proven. 26 refuted. 0 times theorem prover too weak. 1668 trivial. 0 not checked. [2022-03-17 23:18:42,065 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1929139842] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-17 23:18:42,065 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-17 23:18:42,066 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 9 [2022-03-17 23:18:42,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729123353] [2022-03-17 23:18:42,066 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-17 23:18:42,066 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-17 23:18:42,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:18:42,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-17 23:18:42,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-03-17 23:18:42,067 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) [2022-03-17 23:18:42,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:18:42,674 INFO L93 Difference]: Finished difference Result 4351 states and 5718 transitions. [2022-03-17 23:18:42,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-17 23:18:42,674 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 [2022-03-17 23:18:42,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:18:42,675 INFO L225 Difference]: With dead ends: 4351 [2022-03-17 23:18:42,675 INFO L226 Difference]: Without dead ends: 0 [2022-03-17 23:18:42,679 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 1225 GetRequests, 1214 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2022-03-17 23:18:42,679 INFO L912 BasicCegarLoop]: 296 mSDtfsCounter, 408 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 1492 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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, 0.5s IncrementalHoareTripleChecker+Time [2022-03-17 23:18:42,679 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [408 Valid, 323 Invalid, 1555 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 1492 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-17 23:18:42,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-03-17 23:18:42,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-03-17 23:18:42,680 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) [2022-03-17 23:18:42,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-03-17 23:18:42,680 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 606 [2022-03-17 23:18:42,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:18:42,680 INFO L478 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-03-17 23:18:42,680 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) [2022-03-17 23:18:42,680 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-03-17 23:18:42,680 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-03-17 23:18:42,682 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-03-17 23:18:42,727 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-17 23:18:42,900 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 [2022-03-17 23:18:42,902 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-03-17 23:18:45,048 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|)) [2022-03-17 23:18:45,048 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2022-03-17 23:18:45,048 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2022-03-17 23:18:45,048 INFO L885 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-03-17 23:18:45,048 INFO L885 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: true [2022-03-17 23:18:45,048 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-03-17 23:18:45,049 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-03-17 23:18:45,049 INFO L885 garLoopResultBuilder]: At program point mainENTRY(lines 622 633) the Hoare annotation is: true [2022-03-17 23:18:45,049 INFO L885 garLoopResultBuilder]: At program point L629(line 629) the Hoare annotation is: true [2022-03-17 23:18:45,049 INFO L882 garLoopResultBuilder]: For program point L629-1(line 629) no Hoare annotation was computed. [2022-03-17 23:18:45,049 INFO L882 garLoopResultBuilder]: For program point mainFINAL(lines 622 633) no Hoare annotation was computed. [2022-03-17 23:18:45,049 INFO L882 garLoopResultBuilder]: For program point mainEXIT(lines 622 633) no Hoare annotation was computed. [2022-03-17 23:18:45,049 INFO L885 garLoopResultBuilder]: At program point ssl3_acceptENTRY(lines 22 621) the Hoare annotation is: true [2022-03-17 23:18:45,049 INFO L882 garLoopResultBuilder]: For program point L93(lines 93 99) no Hoare annotation was computed. [2022-03-17 23:18:45,049 INFO L882 garLoopResultBuilder]: For program point L96-2(lines 93 99) no Hoare annotation was computed. [2022-03-17 23:18:45,049 INFO L882 garLoopResultBuilder]: For program point L96(lines 96 98) no Hoare annotation was computed. [2022-03-17 23:18:45,049 INFO L882 garLoopResultBuilder]: For program point L101(lines 101 105) no Hoare annotation was computed. [2022-03-17 23:18:45,049 INFO L882 garLoopResultBuilder]: For program point L102(lines 102 104) no Hoare annotation was computed. [2022-03-17 23:18:45,049 INFO L882 garLoopResultBuilder]: For program point L101-1(lines 83 620) no Hoare annotation was computed. [2022-03-17 23:18:45,049 INFO L882 garLoopResultBuilder]: For program point ssl3_acceptFINAL(lines 22 621) no Hoare annotation was computed. [2022-03-17 23:18:45,049 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))) [2022-03-17 23:18:45,050 INFO L882 garLoopResultBuilder]: For program point ssl3_acceptEXIT(lines 22 621) no Hoare annotation was computed. [2022-03-17 23:18:45,050 INFO L885 garLoopResultBuilder]: At program point L609(lines 109 610) the Hoare annotation is: true [2022-03-17 23:18:45,050 INFO L882 garLoopResultBuilder]: For program point L111(line 111) no Hoare annotation was computed. [2022-03-17 23:18:45,050 INFO L882 garLoopResultBuilder]: For program point L614(lines 614 616) no Hoare annotation was computed. [2022-03-17 23:18:45,050 INFO L882 garLoopResultBuilder]: For program point L113(lines 113 589) no Hoare annotation was computed. [2022-03-17 23:18:45,050 INFO L882 garLoopResultBuilder]: For program point L614-2(lines 614 616) no Hoare annotation was computed. [2022-03-17 23:18:45,050 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)))) [2022-03-17 23:18:45,050 INFO L882 garLoopResultBuilder]: For program point L116(lines 116 588) no Hoare annotation was computed. [2022-03-17 23:18:45,050 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))) [2022-03-17 23:18:45,050 INFO L882 garLoopResultBuilder]: For program point L119(lines 119 587) no Hoare annotation was computed. [2022-03-17 23:18:45,050 INFO L882 garLoopResultBuilder]: For program point L227(lines 227 229) no Hoare annotation was computed. [2022-03-17 23:18:45,050 INFO L882 garLoopResultBuilder]: For program point L122(lines 122 586) no Hoare annotation was computed. [2022-03-17 23:18:45,050 INFO L882 garLoopResultBuilder]: For program point L227-2(lines 227 229) no Hoare annotation was computed. [2022-03-17 23:18:45,050 INFO L882 garLoopResultBuilder]: For program point L125(lines 125 585) no Hoare annotation was computed. [2022-03-17 23:18:45,050 INFO L882 garLoopResultBuilder]: For program point L232(lines 232 234) no Hoare annotation was computed. [2022-03-17 23:18:45,050 INFO L882 garLoopResultBuilder]: For program point L128(lines 128 584) no Hoare annotation was computed. [2022-03-17 23:18:45,050 INFO L882 garLoopResultBuilder]: For program point L237(lines 237 248) no Hoare annotation was computed. [2022-03-17 23:18:45,051 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))) [2022-03-17 23:18:45,051 INFO L882 garLoopResultBuilder]: For program point L131(lines 131 583) no Hoare annotation was computed. [2022-03-17 23:18:45,051 INFO L882 garLoopResultBuilder]: For program point L239(lines 239 242) no Hoare annotation was computed. [2022-03-17 23:18:45,051 INFO L882 garLoopResultBuilder]: For program point L237-2(lines 219 552) no Hoare annotation was computed. [2022-03-17 23:18:45,051 INFO L882 garLoopResultBuilder]: For program point L270(lines 270 272) no Hoare annotation was computed. [2022-03-17 23:18:45,051 INFO L882 garLoopResultBuilder]: For program point L134(lines 134 582) no Hoare annotation was computed. [2022-03-17 23:18:45,051 INFO L882 garLoopResultBuilder]: For program point L243(lines 243 246) no Hoare annotation was computed. [2022-03-17 23:18:45,051 INFO L882 garLoopResultBuilder]: For program point L254(lines 254 264) no Hoare annotation was computed. [2022-03-17 23:18:45,051 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))) [2022-03-17 23:18:45,051 INFO L878 garLoopResultBuilder]: At program point L135(lines 134 582) the Hoare annotation is: (<= ssl3_accept_~s__state~0 8672) [2022-03-17 23:18:45,051 INFO L882 garLoopResultBuilder]: For program point L137(lines 137 581) no Hoare annotation was computed. [2022-03-17 23:18:45,051 INFO L882 garLoopResultBuilder]: For program point L255(lines 255 258) no Hoare annotation was computed. [2022-03-17 23:18:45,051 INFO L882 garLoopResultBuilder]: For program point L591(lines 591 605) no Hoare annotation was computed. [2022-03-17 23:18:45,051 INFO L882 garLoopResultBuilder]: For program point L590(lines 590 606) no Hoare annotation was computed. [2022-03-17 23:18:45,051 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))) [2022-03-17 23:18:45,051 INFO L882 garLoopResultBuilder]: For program point L140(lines 140 580) no Hoare annotation was computed. [2022-03-17 23:18:45,052 INFO L882 garLoopResultBuilder]: For program point L592(lines 592 597) no Hoare annotation was computed. [2022-03-17 23:18:45,052 INFO L882 garLoopResultBuilder]: For program point L285(lines 285 287) no Hoare annotation was computed. [2022-03-17 23:18:45,052 INFO L882 garLoopResultBuilder]: For program point L143(lines 143 579) no Hoare annotation was computed. [2022-03-17 23:18:45,052 INFO L882 garLoopResultBuilder]: For program point L594(lines 594 596) no Hoare annotation was computed. [2022-03-17 23:18:45,052 INFO L882 garLoopResultBuilder]: For program point L592-2(lines 591 605) no Hoare annotation was computed. [2022-03-17 23:18:45,052 INFO L882 garLoopResultBuilder]: For program point L285-2(lines 219 552) no Hoare annotation was computed. [2022-03-17 23:18:45,052 INFO L882 garLoopResultBuilder]: For program point L146(lines 146 578) no Hoare annotation was computed. [2022-03-17 23:18:45,052 INFO L882 garLoopResultBuilder]: For program point L599(lines 599 603) no Hoare annotation was computed. [2022-03-17 23:18:45,052 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))) [2022-03-17 23:18:45,052 INFO L882 garLoopResultBuilder]: For program point L149(lines 149 577) no Hoare annotation was computed. [2022-03-17 23:18:45,052 INFO L882 garLoopResultBuilder]: For program point L298(lines 298 300) no Hoare annotation was computed. [2022-03-17 23:18:45,052 INFO L882 garLoopResultBuilder]: For program point L152(lines 152 576) no Hoare annotation was computed. [2022-03-17 23:18:45,052 INFO L882 garLoopResultBuilder]: For program point L298-2(lines 219 552) no Hoare annotation was computed. [2022-03-17 23:18:45,052 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))) [2022-03-17 23:18:45,052 INFO L882 garLoopResultBuilder]: For program point L155(lines 155 575) no Hoare annotation was computed. [2022-03-17 23:18:45,052 INFO L882 garLoopResultBuilder]: For program point L304(lines 304 308) no Hoare annotation was computed. [2022-03-17 23:18:45,052 INFO L882 garLoopResultBuilder]: For program point L315(lines 315 322) no Hoare annotation was computed. [2022-03-17 23:18:45,052 INFO L882 garLoopResultBuilder]: For program point L158(lines 158 574) no Hoare annotation was computed. [2022-03-17 23:18:45,053 INFO L882 garLoopResultBuilder]: For program point L304-2(lines 304 308) no Hoare annotation was computed. [2022-03-17 23:18:45,053 INFO L882 garLoopResultBuilder]: For program point L315-2(lines 315 322) no Hoare annotation was computed. [2022-03-17 23:18:45,053 INFO L882 garLoopResultBuilder]: For program point L319(lines 319 321) no Hoare annotation was computed. [2022-03-17 23:18:45,053 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))) [2022-03-17 23:18:45,053 INFO L882 garLoopResultBuilder]: For program point L161(lines 161 573) no Hoare annotation was computed. [2022-03-17 23:18:45,053 INFO L882 garLoopResultBuilder]: For program point L332(lines 332 336) no Hoare annotation was computed. [2022-03-17 23:18:45,053 INFO L882 garLoopResultBuilder]: For program point L164(lines 164 572) no Hoare annotation was computed. [2022-03-17 23:18:45,053 INFO L882 garLoopResultBuilder]: For program point L332-2(lines 219 552) no Hoare annotation was computed. [2022-03-17 23:18:45,053 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))) [2022-03-17 23:18:45,053 INFO L882 garLoopResultBuilder]: For program point L167(lines 167 571) no Hoare annotation was computed. [2022-03-17 23:18:45,053 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))) [2022-03-17 23:18:45,053 INFO L882 garLoopResultBuilder]: For program point L341(lines 341 379) no Hoare annotation was computed. [2022-03-17 23:18:45,053 INFO L882 garLoopResultBuilder]: For program point L387(lines 387 419) no Hoare annotation was computed. [2022-03-17 23:18:45,053 INFO L882 garLoopResultBuilder]: For program point L170(lines 170 570) no Hoare annotation was computed. [2022-03-17 23:18:45,053 INFO L882 garLoopResultBuilder]: For program point L364(lines 364 366) no Hoare annotation was computed. [2022-03-17 23:18:45,053 INFO L882 garLoopResultBuilder]: For program point L344(lines 344 378) no Hoare annotation was computed. [2022-03-17 23:18:45,053 INFO L882 garLoopResultBuilder]: For program point L388(lines 388 394) no Hoare annotation was computed. [2022-03-17 23:18:45,054 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))) [2022-03-17 23:18:45,054 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))) [2022-03-17 23:18:45,054 INFO L882 garLoopResultBuilder]: For program point L173(lines 173 569) no Hoare annotation was computed. [2022-03-17 23:18:45,054 INFO L882 garLoopResultBuilder]: For program point L344-1(lines 344 378) no Hoare annotation was computed. [2022-03-17 23:18:45,054 INFO L882 garLoopResultBuilder]: For program point L345(lines 345 375) no Hoare annotation was computed. [2022-03-17 23:18:45,054 INFO L882 garLoopResultBuilder]: For program point L399(lines 399 417) no Hoare annotation was computed. [2022-03-17 23:18:45,054 INFO L882 garLoopResultBuilder]: For program point L429(lines 429 431) no Hoare annotation was computed. [2022-03-17 23:18:45,054 INFO L882 garLoopResultBuilder]: For program point L176(lines 176 568) no Hoare annotation was computed. [2022-03-17 23:18:45,054 INFO L882 garLoopResultBuilder]: For program point L350(lines 350 373) no Hoare annotation was computed. [2022-03-17 23:18:45,054 INFO L882 garLoopResultBuilder]: For program point L400(lines 400 406) no Hoare annotation was computed. [2022-03-17 23:18:45,054 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))) [2022-03-17 23:18:45,054 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))) [2022-03-17 23:18:45,054 INFO L882 garLoopResultBuilder]: For program point L179(lines 179 567) no Hoare annotation was computed. [2022-03-17 23:18:45,054 INFO L882 garLoopResultBuilder]: For program point L353(lines 353 357) no Hoare annotation was computed. [2022-03-17 23:18:45,054 INFO L882 garLoopResultBuilder]: For program point L411(lines 411 413) no Hoare annotation was computed. [2022-03-17 23:18:45,054 INFO L882 garLoopResultBuilder]: For program point L440(lines 440 443) no Hoare annotation was computed. [2022-03-17 23:18:45,055 INFO L882 garLoopResultBuilder]: For program point L437-1(lines 437 445) no Hoare annotation was computed. [2022-03-17 23:18:45,055 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))) [2022-03-17 23:18:45,055 INFO L882 garLoopResultBuilder]: For program point L182(lines 182 566) no Hoare annotation was computed. [2022-03-17 23:18:45,055 INFO L882 garLoopResultBuilder]: For program point L353-2(lines 353 357) no Hoare annotation was computed. [2022-03-17 23:18:45,055 INFO L882 garLoopResultBuilder]: For program point L451(lines 451 453) no Hoare annotation was computed. [2022-03-17 23:18:45,055 INFO L882 garLoopResultBuilder]: For program point L185(lines 185 565) no Hoare annotation was computed. [2022-03-17 23:18:45,055 INFO L882 garLoopResultBuilder]: For program point L361(lines 361 369) no Hoare annotation was computed. [2022-03-17 23:18:45,055 INFO L882 garLoopResultBuilder]: For program point L454(lines 454 463) no Hoare annotation was computed. [2022-03-17 23:18:45,055 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))) [2022-03-17 23:18:45,055 INFO L882 garLoopResultBuilder]: For program point L188(lines 188 564) no Hoare annotation was computed. [2022-03-17 23:18:45,055 INFO L882 garLoopResultBuilder]: For program point L458(lines 458 460) no Hoare annotation was computed. [2022-03-17 23:18:45,055 INFO L882 garLoopResultBuilder]: For program point L468(lines 468 470) no Hoare annotation was computed. [2022-03-17 23:18:45,055 INFO L882 garLoopResultBuilder]: For program point L191(lines 191 563) no Hoare annotation was computed. [2022-03-17 23:18:45,055 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))) [2022-03-17 23:18:45,055 INFO L882 garLoopResultBuilder]: For program point L194(lines 194 562) no Hoare annotation was computed. [2022-03-17 23:18:45,055 INFO L882 garLoopResultBuilder]: For program point L477(lines 477 479) no Hoare annotation was computed. [2022-03-17 23:18:45,055 INFO L882 garLoopResultBuilder]: For program point L197(lines 197 561) no Hoare annotation was computed. [2022-03-17 23:18:45,056 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))) [2022-03-17 23:18:45,056 INFO L882 garLoopResultBuilder]: For program point L200(lines 200 560) no Hoare annotation was computed. [2022-03-17 23:18:45,056 INFO L882 garLoopResultBuilder]: For program point L486(lines 486 488) no Hoare annotation was computed. [2022-03-17 23:18:45,056 INFO L882 garLoopResultBuilder]: For program point L203(lines 203 559) no Hoare annotation was computed. [2022-03-17 23:18:45,056 INFO L882 garLoopResultBuilder]: For program point L486-2(lines 219 552) no Hoare annotation was computed. [2022-03-17 23:18:45,056 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))) [2022-03-17 23:18:45,056 INFO L882 garLoopResultBuilder]: For program point L206(lines 206 558) no Hoare annotation was computed. [2022-03-17 23:18:45,056 INFO L882 garLoopResultBuilder]: For program point L492(lines 492 496) no Hoare annotation was computed. [2022-03-17 23:18:45,056 INFO L882 garLoopResultBuilder]: For program point L502(lines 502 505) no Hoare annotation was computed. [2022-03-17 23:18:45,056 INFO L882 garLoopResultBuilder]: For program point L209(lines 209 557) no Hoare annotation was computed. [2022-03-17 23:18:45,056 INFO L882 garLoopResultBuilder]: For program point L492-2(lines 492 496) no Hoare annotation was computed. [2022-03-17 23:18:45,056 INFO L882 garLoopResultBuilder]: For program point L507(lines 507 509) no Hoare annotation was computed. [2022-03-17 23:18:45,056 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))) [2022-03-17 23:18:45,056 INFO L882 garLoopResultBuilder]: For program point L212(lines 212 556) no Hoare annotation was computed. [2022-03-17 23:18:45,056 INFO L882 garLoopResultBuilder]: For program point L507-2(lines 219 552) no Hoare annotation was computed. [2022-03-17 23:18:45,056 INFO L882 garLoopResultBuilder]: For program point L523(lines 523 525) no Hoare annotation was computed. [2022-03-17 23:18:45,056 INFO L882 garLoopResultBuilder]: For program point L215(lines 215 555) no Hoare annotation was computed. [2022-03-17 23:18:45,057 INFO L882 garLoopResultBuilder]: For program point L515(lines 515 518) no Hoare annotation was computed. [2022-03-17 23:18:45,057 INFO L878 garLoopResultBuilder]: At program point L524(lines 83 620) the Hoare annotation is: false [2022-03-17 23:18:45,057 INFO L882 garLoopResultBuilder]: For program point L526(lines 526 528) no Hoare annotation was computed. [2022-03-17 23:18:45,057 INFO L885 garLoopResultBuilder]: At program point L216(lines 215 555) the Hoare annotation is: true [2022-03-17 23:18:45,057 INFO L885 garLoopResultBuilder]: At program point L218(lines 217 555) the Hoare annotation is: true [2022-03-17 23:18:45,057 INFO L882 garLoopResultBuilder]: For program point ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION(line 618) no Hoare annotation was computed. [2022-03-17 23:18:45,057 INFO L882 garLoopResultBuilder]: For program point L530(lines 530 534) no Hoare annotation was computed. [2022-03-17 23:18:45,057 INFO L882 garLoopResultBuilder]: For program point L540(lines 540 546) no Hoare annotation was computed. [2022-03-17 23:18:45,057 INFO L882 garLoopResultBuilder]: For program point L530-2(lines 530 534) no Hoare annotation was computed. [2022-03-17 23:18:45,057 INFO L882 garLoopResultBuilder]: For program point L543(lines 543 545) no Hoare annotation was computed. [2022-03-17 23:18:45,057 INFO L882 garLoopResultBuilder]: For program point L540-1(lines 540 546) no Hoare annotation was computed. [2022-03-17 23:18:45,076 INFO L718 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 23:18:45,077 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-17 23:18:45,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.03 11:18:45 BasicIcfg [2022-03-17 23:18:45,103 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-17 23:18:45,104 INFO L158 Benchmark]: Toolchain (without parser) took 13369.52ms. Allocated memory was 259.0MB in the beginning and 640.7MB in the end (delta: 381.7MB). Free memory was 229.9MB in the beginning and 574.1MB in the end (delta: -344.2MB). Peak memory consumption was 307.3MB. Max. memory is 8.0GB. [2022-03-17 23:18:45,104 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 259.0MB. Free memory is still 217.0MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-17 23:18:45,104 INFO L158 Benchmark]: CACSL2BoogieTranslator took 250.62ms. Allocated memory was 259.0MB in the beginning and 407.9MB in the end (delta: 148.9MB). Free memory was 229.9MB in the beginning and 374.5MB in the end (delta: -144.6MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2022-03-17 23:18:45,104 INFO L158 Benchmark]: Boogie Preprocessor took 31.67ms. Allocated memory is still 407.9MB. Free memory was 374.5MB in the beginning and 372.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-17 23:18:45,105 INFO L158 Benchmark]: RCFGBuilder took 595.10ms. Allocated memory is still 407.9MB. Free memory was 372.4MB in the beginning and 344.7MB in the end (delta: 27.8MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. [2022-03-17 23:18:45,105 INFO L158 Benchmark]: IcfgTransformer took 37.21ms. Allocated memory is still 407.9MB. Free memory was 344.7MB in the beginning and 341.5MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-03-17 23:18:45,105 INFO L158 Benchmark]: TraceAbstraction took 12450.32ms. Allocated memory was 407.9MB in the beginning and 640.7MB in the end (delta: 232.8MB). Free memory was 341.0MB in the beginning and 574.1MB in the end (delta: -233.2MB). Peak memory consumption was 271.2MB. Max. memory is 8.0GB. [2022-03-17 23:18:45,106 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 259.0MB. Free memory is still 217.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 250.62ms. Allocated memory was 259.0MB in the beginning and 407.9MB in the end (delta: 148.9MB). Free memory was 229.9MB in the beginning and 374.5MB in the end (delta: -144.6MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * Boogie Preprocessor took 31.67ms. Allocated memory is still 407.9MB. Free memory was 374.5MB in the beginning and 372.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 595.10ms. Allocated memory is still 407.9MB. Free memory was 372.4MB in the beginning and 344.7MB in the end (delta: 27.8MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. * IcfgTransformer took 37.21ms. Allocated memory is still 407.9MB. Free memory was 344.7MB in the beginning and 341.5MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * TraceAbstraction took 12450.32ms. Allocated memory was 407.9MB in the beginning and 640.7MB in the end (delta: 232.8MB). Free memory was 341.0MB in the beginning and 574.1MB in the end (delta: -233.2MB). Peak memory consumption was 271.2MB. 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: 12.4s, OverallIterations: 19, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 5.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5657 SdHoareTripleChecker+Valid, 4.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5655 mSDsluCounter, 4877 SdHoareTripleChecker+Invalid, 3.4s 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, 0.0s 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: 0.5s AutomataMinimizationTime, 19 MinimizatonAttempts, 1048 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 321 NumberOfFragments, 1115 HoareAnnotationTreeSize, 32 FomulaSimplifications, 2298 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 32 FomulaSimplificationsInter, 3665 FormulaSimplificationTreeSizeReductionInter, 1.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.3s 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! [2022-03-17 23:18:45,162 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...