/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/automizer/LoopAccelerationJordanC.epf -i ../../../trunk/examples/svcomp/openssl/s3_clnt.blast.01.i.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-b030c9e [2022-03-20 07:30:10,510 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-20 07:30:10,512 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-20 07:30:10,559 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-20 07:30:10,559 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-20 07:30:10,561 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-20 07:30:10,563 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-20 07:30:10,567 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-20 07:30:10,571 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-20 07:30:10,575 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-20 07:30:10,575 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-20 07:30:10,577 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-20 07:30:10,577 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-20 07:30:10,579 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-20 07:30:10,580 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-20 07:30:10,582 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-20 07:30:10,583 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-20 07:30:10,583 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-20 07:30:10,585 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-20 07:30:10,590 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-20 07:30:10,591 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-03-20 07:30:10,592 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-20 07:30:10,593 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-20 07:30:10,594 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-20 07:30:10,595 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-20 07:30:10,601 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-20 07:30:10,601 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-20 07:30:10,601 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-20 07:30:10,602 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-20 07:30:10,602 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-20 07:30:10,603 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-03-20 07:30:10,604 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-20 07:30:10,605 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-20 07:30:10,606 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-20 07:30:10,606 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-20 07:30:10,607 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-20 07:30:10,607 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-20 07:30:10,608 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-20 07:30:10,608 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-20 07:30:10,608 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-20 07:30:10,609 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-20 07:30:10,610 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-20 07:30:10,611 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2022-03-20 07:30:10,621 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-20 07:30:10,621 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-20 07:30:10,622 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-20 07:30:10,622 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-20 07:30:10,622 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-20 07:30:10,623 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-20 07:30:10,623 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-20 07:30:10,623 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-20 07:30:10,623 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-20 07:30:10,624 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-20 07:30:10,624 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-20 07:30:10,624 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-20 07:30:10,624 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-20 07:30:10,624 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-20 07:30:10,624 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-20 07:30:10,624 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-20 07:30:10,624 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-20 07:30:10,625 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-20 07:30:10,625 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-20 07:30:10,625 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-20 07:30:10,625 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-20 07:30:10,625 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-03-20 07:30:10,626 INFO L138 SettingsManager]: * TransformationType=LOOP_ACCELERATION_JORDAN WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-03-20 07:30:10,838 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-20 07:30:10,864 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-20 07:30:10,866 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-20 07:30:10,867 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-20 07:30:10,867 INFO L275 PluginConnector]: CDTParser initialized [2022-03-20 07:30:10,868 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/openssl/s3_clnt.blast.01.i.cil-2.c [2022-03-20 07:30:10,924 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3aa27ca52/f47a71b4b6ef48db9152c466327b0312/FLAGbf9c5d374 [2022-03-20 07:30:11,334 INFO L306 CDTParser]: Found 1 translation units. [2022-03-20 07:30:11,335 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/openssl/s3_clnt.blast.01.i.cil-2.c [2022-03-20 07:30:11,371 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3aa27ca52/f47a71b4b6ef48db9152c466327b0312/FLAGbf9c5d374 [2022-03-20 07:30:11,660 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3aa27ca52/f47a71b4b6ef48db9152c466327b0312 [2022-03-20 07:30:11,661 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-20 07:30:11,662 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-20 07:30:11,671 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-20 07:30:11,671 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-20 07:30:11,675 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-20 07:30:11,675 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.03 07:30:11" (1/1) ... [2022-03-20 07:30:11,676 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e6f088d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 07:30:11, skipping insertion in model container [2022-03-20 07:30:11,676 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.03 07:30:11" (1/1) ... [2022-03-20 07:30:11,682 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-20 07:30:11,761 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-20 07:30:12,081 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/openssl/s3_clnt.blast.01.i.cil-2.c[65520,65533] [2022-03-20 07:30:12,090 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-20 07:30:12,103 INFO L203 MainTranslator]: Completed pre-run [2022-03-20 07:30:12,210 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/openssl/s3_clnt.blast.01.i.cil-2.c[65520,65533] [2022-03-20 07:30:12,221 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-20 07:30:12,236 INFO L208 MainTranslator]: Completed translation [2022-03-20 07:30:12,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 07:30:12 WrapperNode [2022-03-20 07:30:12,237 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-20 07:30:12,238 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-20 07:30:12,238 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-20 07:30:12,239 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-20 07:30:12,248 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 07:30:12" (1/1) ... [2022-03-20 07:30:12,248 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 07:30:12" (1/1) ... [2022-03-20 07:30:12,281 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 07:30:12" (1/1) ... [2022-03-20 07:30:12,282 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 07:30:12" (1/1) ... [2022-03-20 07:30:12,344 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 07:30:12" (1/1) ... [2022-03-20 07:30:12,350 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 07:30:12" (1/1) ... [2022-03-20 07:30:12,352 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 07:30:12" (1/1) ... [2022-03-20 07:30:12,357 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-20 07:30:12,357 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-20 07:30:12,357 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-20 07:30:12,358 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-20 07:30:12,358 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 07:30:12" (1/1) ... [2022-03-20 07:30:12,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-20 07:30:12,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 07:30:12,400 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-20 07:30:12,406 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-20 07:30:12,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-03-20 07:30:12,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-20 07:30:12,447 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-03-20 07:30:12,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_get_client_method [2022-03-20 07:30:12,447 INFO L138 BoogieDeclarations]: Found implementation of procedure SSLv3_client_method [2022-03-20 07:30:12,447 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-03-20 07:30:12,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_connect [2022-03-20 07:30:12,448 INFO L138 BoogieDeclarations]: Found implementation of procedure sslv3_base_method [2022-03-20 07:30:12,448 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-03-20 07:30:12,448 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-03-20 07:30:12,448 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-03-20 07:30:12,448 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-03-20 07:30:12,449 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-03-20 07:30:12,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-20 07:30:12,449 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2022-03-20 07:30:12,451 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2022-03-20 07:30:12,451 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-03-20 07:30:12,451 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2022-03-20 07:30:12,452 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2022-03-20 07:30:12,452 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2022-03-20 07:30:12,452 INFO L130 BoogieDeclarations]: Found specification of procedure SSLv3_client_method [2022-03-20 07:30:12,452 INFO L130 BoogieDeclarations]: Found specification of procedure sslv3_base_method [2022-03-20 07:30:12,452 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_connect [2022-03-20 07:30:12,452 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_get_client_method [2022-03-20 07:30:12,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-03-20 07:30:12,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-03-20 07:30:12,452 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-03-20 07:30:12,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-03-20 07:30:12,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-20 07:30:12,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-03-20 07:30:12,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-20 07:30:12,453 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2022-03-20 07:30:12,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-03-20 07:30:12,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-03-20 07:30:12,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-20 07:30:12,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-20 07:30:12,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-03-20 07:30:12,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-03-20 07:30:12,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-03-20 07:30:12,454 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-03-20 07:30:12,454 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-20 07:30:12,639 INFO L234 CfgBuilder]: Building ICFG [2022-03-20 07:30:12,640 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-20 07:30:13,686 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-03-20 07:30:14,100 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2022-03-20 07:30:14,100 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2022-03-20 07:30:14,118 INFO L275 CfgBuilder]: Performing block encoding [2022-03-20 07:30:14,129 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-20 07:30:14,130 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-03-20 07:30:14,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.03 07:30:14 BoogieIcfgContainer [2022-03-20 07:30:14,132 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-20 07:30:14,133 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-03-20 07:30:14,133 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-03-20 07:30:14,134 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-03-20 07:30:14,136 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.03 07:30:14" (1/1) ... [2022-03-20 07:30:14,138 INFO L168 ansformationObserver]: Applying ICFG transformation LOOP_ACCELERATION_JORDAN [2022-03-20 07:30:14,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 20.03 07:30:14 BasicIcfg [2022-03-20 07:30:14,193 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-03-20 07:30:14,196 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-20 07:30:14,196 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-20 07:30:14,199 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-20 07:30:14,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.03 07:30:11" (1/4) ... [2022-03-20 07:30:14,199 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9318ea9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.03 07:30:14, skipping insertion in model container [2022-03-20 07:30:14,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 07:30:12" (2/4) ... [2022-03-20 07:30:14,200 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9318ea9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.03 07:30:14, skipping insertion in model container [2022-03-20 07:30:14,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.03 07:30:14" (3/4) ... [2022-03-20 07:30:14,201 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9318ea9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.03 07:30:14, skipping insertion in model container [2022-03-20 07:30:14,202 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 20.03 07:30:14" (4/4) ... [2022-03-20 07:30:14,203 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_clnt.blast.01.i.cil-2.cJordan [2022-03-20 07:30:14,207 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2022-03-20 07:30:14,207 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-20 07:30:14,255 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-20 07:30:14,261 INFO L340 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=ForwardPredicates, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP [2022-03-20 07:30:14,262 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-03-20 07:30:14,287 INFO L276 IsEmpty]: Start isEmpty. Operand has 140 states, 132 states have (on average 1.6742424242424243) internal successors, (221), 133 states have internal predecessors, (221), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-03-20 07:30:14,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-03-20 07:30:14,295 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:30:14,295 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:30:14,296 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:30:14,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:30:14,305 INFO L85 PathProgramCache]: Analyzing trace with hash -1407118819, now seen corresponding path program 1 times [2022-03-20 07:30:14,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:30:14,313 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719050936] [2022-03-20 07:30:14,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:30:14,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:30:14,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:30:14,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:30:14,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:30:14,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-20 07:30:14,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:30:14,872 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719050936] [2022-03-20 07:30:14,872 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719050936] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:30:14,872 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:30:14,872 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:30:14,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114346940] [2022-03-20 07:30:14,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:30:14,879 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:30:14,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:30:14,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:30:14,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:30:14,907 INFO L87 Difference]: Start difference. First operand has 140 states, 132 states have (on average 1.6742424242424243) internal successors, (221), 133 states have internal predecessors, (221), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:30:16,941 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:30:17,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:30:17,397 INFO L93 Difference]: Finished difference Result 144 states and 228 transitions. [2022-03-20 07:30:17,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:30:17,400 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (3), 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 30 [2022-03-20 07:30:17,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:30:17,408 INFO L225 Difference]: With dead ends: 144 [2022-03-20 07:30:17,408 INFO L226 Difference]: Without dead ends: 124 [2022-03-20 07:30:17,409 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 07:30:17,416 INFO L913 BasicCegarLoop]: 214 mSDtfsCounter, 7 mSDsluCounter, 344 mSDsCounter, 0 mSdLazyCounter, 321 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 558 SdHoareTripleChecker+Invalid, 325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 321 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-20 07:30:17,417 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 558 Invalid, 325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 321 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-20 07:30:17,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2022-03-20 07:30:17,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 123. [2022-03-20 07:30:17,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 118 states have (on average 1.4915254237288136) internal successors, (176), 118 states have internal predecessors, (176), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:30:17,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 180 transitions. [2022-03-20 07:30:17,451 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 180 transitions. Word has length 30 [2022-03-20 07:30:17,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:30:17,451 INFO L478 AbstractCegarLoop]: Abstraction has 123 states and 180 transitions. [2022-03-20 07:30:17,451 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:30:17,452 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 180 transitions. [2022-03-20 07:30:17,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-03-20 07:30:17,453 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:30:17,453 INFO L499 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:30:17,453 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-20 07:30:17,454 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:30:17,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:30:17,454 INFO L85 PathProgramCache]: Analyzing trace with hash -765789009, now seen corresponding path program 1 times [2022-03-20 07:30:17,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:30:17,455 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101542171] [2022-03-20 07:30:17,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:30:17,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:30:17,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:30:17,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:30:17,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:30:17,743 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-20 07:30:17,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:30:17,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101542171] [2022-03-20 07:30:17,743 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101542171] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:30:17,744 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:30:17,745 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 07:30:17,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563594782] [2022-03-20 07:30:17,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:30:17,754 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 07:30:17,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:30:17,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 07:30:17,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 07:30:17,755 INFO L87 Difference]: Start difference. First operand 123 states and 180 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:30:19,767 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:30:20,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:30:20,064 INFO L93 Difference]: Finished difference Result 226 states and 330 transitions. [2022-03-20 07:30:20,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 07:30:20,064 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (3), 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 45 [2022-03-20 07:30:20,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:30:20,066 INFO L225 Difference]: With dead ends: 226 [2022-03-20 07:30:20,066 INFO L226 Difference]: Without dead ends: 226 [2022-03-20 07:30:20,067 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 07:30:20,068 INFO L913 BasicCegarLoop]: 168 mSDtfsCounter, 125 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-03-20 07:30:20,068 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [125 Valid, 323 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 192 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-03-20 07:30:20,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2022-03-20 07:30:20,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 226. [2022-03-20 07:30:20,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 221 states have (on average 1.4751131221719458) internal successors, (326), 221 states have internal predecessors, (326), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:30:20,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 330 transitions. [2022-03-20 07:30:20,081 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 330 transitions. Word has length 45 [2022-03-20 07:30:20,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:30:20,082 INFO L478 AbstractCegarLoop]: Abstraction has 226 states and 330 transitions. [2022-03-20 07:30:20,082 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:30:20,082 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 330 transitions. [2022-03-20 07:30:20,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-03-20 07:30:20,084 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:30:20,084 INFO L499 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:30:20,084 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-20 07:30:20,084 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:30:20,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:30:20,085 INFO L85 PathProgramCache]: Analyzing trace with hash 1602004893, now seen corresponding path program 1 times [2022-03-20 07:30:20,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:30:20,085 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837032262] [2022-03-20 07:30:20,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:30:20,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:30:20,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:30:20,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:30:20,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:30:20,390 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-20 07:30:20,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:30:20,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837032262] [2022-03-20 07:30:20,390 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837032262] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:30:20,391 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:30:20,391 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:30:20,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608840872] [2022-03-20 07:30:20,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:30:20,392 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:30:20,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:30:20,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:30:20,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:30:20,393 INFO L87 Difference]: Start difference. First operand 226 states and 330 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:30:22,403 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:30:22,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:30:22,803 INFO L93 Difference]: Finished difference Result 261 states and 382 transitions. [2022-03-20 07:30:22,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:30:22,803 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (3), 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 60 [2022-03-20 07:30:22,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:30:22,805 INFO L225 Difference]: With dead ends: 261 [2022-03-20 07:30:22,805 INFO L226 Difference]: Without dead ends: 261 [2022-03-20 07:30:22,805 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 07:30:22,806 INFO L913 BasicCegarLoop]: 200 mSDtfsCounter, 31 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 361 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 361 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-20 07:30:22,807 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [31 Valid, 490 Invalid, 370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 361 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-20 07:30:22,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2022-03-20 07:30:22,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 244. [2022-03-20 07:30:22,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 239 states have (on average 1.4895397489539748) internal successors, (356), 239 states have internal predecessors, (356), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:30:22,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 360 transitions. [2022-03-20 07:30:22,818 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 360 transitions. Word has length 60 [2022-03-20 07:30:22,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:30:22,819 INFO L478 AbstractCegarLoop]: Abstraction has 244 states and 360 transitions. [2022-03-20 07:30:22,819 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:30:22,819 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 360 transitions. [2022-03-20 07:30:22,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-03-20 07:30:22,821 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:30:22,821 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 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] [2022-03-20 07:30:22,822 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-20 07:30:22,822 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:30:22,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:30:22,822 INFO L85 PathProgramCache]: Analyzing trace with hash 1286715183, now seen corresponding path program 2 times [2022-03-20 07:30:22,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:30:22,823 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308454229] [2022-03-20 07:30:22,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:30:22,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:30:22,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:30:23,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:30:23,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:30:23,007 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-20 07:30:23,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:30:23,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308454229] [2022-03-20 07:30:23,007 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308454229] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:30:23,007 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:30:23,007 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:30:23,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920536492] [2022-03-20 07:30:23,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:30:23,008 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:30:23,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:30:23,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:30:23,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:30:23,009 INFO L87 Difference]: Start difference. First operand 244 states and 360 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:30:25,028 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:30:25,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:30:25,393 INFO L93 Difference]: Finished difference Result 260 states and 380 transitions. [2022-03-20 07:30:25,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:30:25,396 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (3), 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 75 [2022-03-20 07:30:25,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:30:25,398 INFO L225 Difference]: With dead ends: 260 [2022-03-20 07:30:25,398 INFO L226 Difference]: Without dead ends: 260 [2022-03-20 07:30:25,398 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 07:30:25,399 INFO L913 BasicCegarLoop]: 200 mSDtfsCounter, 37 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 354 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 363 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 354 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-20 07:30:25,399 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [37 Valid, 490 Invalid, 363 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 354 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-20 07:30:25,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2022-03-20 07:30:25,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 244. [2022-03-20 07:30:25,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 239 states have (on average 1.4853556485355648) internal successors, (355), 239 states have internal predecessors, (355), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:30:25,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 359 transitions. [2022-03-20 07:30:25,411 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 359 transitions. Word has length 75 [2022-03-20 07:30:25,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:30:25,411 INFO L478 AbstractCegarLoop]: Abstraction has 244 states and 359 transitions. [2022-03-20 07:30:25,412 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:30:25,412 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 359 transitions. [2022-03-20 07:30:25,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-03-20 07:30:25,414 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:30:25,414 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 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] [2022-03-20 07:30:25,414 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-20 07:30:25,414 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:30:25,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:30:25,419 INFO L85 PathProgramCache]: Analyzing trace with hash -372588721, now seen corresponding path program 1 times [2022-03-20 07:30:25,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:30:25,419 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017614675] [2022-03-20 07:30:25,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:30:25,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:30:25,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:30:25,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:30:25,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:30:25,656 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-20 07:30:25,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:30:25,656 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017614675] [2022-03-20 07:30:25,656 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017614675] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:30:25,657 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:30:25,657 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:30:25,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955169678] [2022-03-20 07:30:25,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:30:25,657 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:30:25,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:30:25,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:30:25,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:30:25,658 INFO L87 Difference]: Start difference. First operand 244 states and 359 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:30:26,916 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:30:28,932 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:30:30,950 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:30:32,968 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:30:33,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:30:33,399 INFO L93 Difference]: Finished difference Result 429 states and 634 transitions. [2022-03-20 07:30:33,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:30:33,399 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (3), 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 75 [2022-03-20 07:30:33,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:30:33,401 INFO L225 Difference]: With dead ends: 429 [2022-03-20 07:30:33,402 INFO L226 Difference]: Without dead ends: 429 [2022-03-20 07:30:33,402 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 07:30:33,403 INFO L913 BasicCegarLoop]: 99 mSDtfsCounter, 120 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 385 mSolverCounterSat, 46 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 385 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2022-03-20 07:30:33,403 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [120 Valid, 284 Invalid, 434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 385 Invalid, 3 Unknown, 0 Unchecked, 7.7s Time] [2022-03-20 07:30:33,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2022-03-20 07:30:33,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 268. [2022-03-20 07:30:33,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 263 states have (on average 1.4828897338403042) internal successors, (390), 263 states have internal predecessors, (390), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:30:33,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 394 transitions. [2022-03-20 07:30:33,414 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 394 transitions. Word has length 75 [2022-03-20 07:30:33,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:30:33,414 INFO L478 AbstractCegarLoop]: Abstraction has 268 states and 394 transitions. [2022-03-20 07:30:33,414 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:30:33,415 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 394 transitions. [2022-03-20 07:30:33,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-03-20 07:30:33,417 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:30:33,417 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:30:33,417 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-20 07:30:33,417 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:30:33,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:30:33,418 INFO L85 PathProgramCache]: Analyzing trace with hash -295589606, now seen corresponding path program 1 times [2022-03-20 07:30:33,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:30:33,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125804248] [2022-03-20 07:30:33,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:30:33,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:30:33,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:30:33,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:30:33,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:30:33,587 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-20 07:30:33,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:30:33,587 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125804248] [2022-03-20 07:30:33,588 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [125804248] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:30:33,588 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:30:33,588 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:30:33,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864001980] [2022-03-20 07:30:33,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:30:33,589 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:30:33,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:30:33,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:30:33,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:30:33,589 INFO L87 Difference]: Start difference. First operand 268 states and 394 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:30:35,600 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:30:36,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:30:36,017 INFO L93 Difference]: Finished difference Result 429 states and 631 transitions. [2022-03-20 07:30:36,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:30:36,017 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 76 [2022-03-20 07:30:36,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:30:36,019 INFO L225 Difference]: With dead ends: 429 [2022-03-20 07:30:36,019 INFO L226 Difference]: Without dead ends: 429 [2022-03-20 07:30:36,019 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 07:30:36,020 INFO L913 BasicCegarLoop]: 110 mSDtfsCounter, 118 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 396 mSolverCounterSat, 43 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 396 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-20 07:30:36,021 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [118 Valid, 306 Invalid, 440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 396 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-20 07:30:36,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2022-03-20 07:30:36,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 270. [2022-03-20 07:30:36,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 265 states have (on average 1.4754716981132074) internal successors, (391), 265 states have internal predecessors, (391), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:30:36,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 395 transitions. [2022-03-20 07:30:36,030 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 395 transitions. Word has length 76 [2022-03-20 07:30:36,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:30:36,030 INFO L478 AbstractCegarLoop]: Abstraction has 270 states and 395 transitions. [2022-03-20 07:30:36,030 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:30:36,030 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 395 transitions. [2022-03-20 07:30:36,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-03-20 07:30:36,032 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:30:36,033 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:30:36,033 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-03-20 07:30:36,033 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:30:36,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:30:36,033 INFO L85 PathProgramCache]: Analyzing trace with hash -800384589, now seen corresponding path program 1 times [2022-03-20 07:30:36,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:30:36,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198895848] [2022-03-20 07:30:36,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:30:36,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:30:36,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:30:36,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:30:36,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:30:36,248 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-20 07:30:36,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:30:36,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198895848] [2022-03-20 07:30:36,248 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1198895848] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:30:36,248 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:30:36,249 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:30:36,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722887327] [2022-03-20 07:30:36,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:30:36,249 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:30:36,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:30:36,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:30:36,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:30:36,250 INFO L87 Difference]: Start difference. First operand 270 states and 395 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:30:38,268 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:30:38,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:30:38,652 INFO L93 Difference]: Finished difference Result 286 states and 415 transitions. [2022-03-20 07:30:38,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:30:38,653 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 1 states have call successors, (3), 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 77 [2022-03-20 07:30:38,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:30:38,654 INFO L225 Difference]: With dead ends: 286 [2022-03-20 07:30:38,655 INFO L226 Difference]: Without dead ends: 286 [2022-03-20 07:30:38,655 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 07:30:38,656 INFO L913 BasicCegarLoop]: 197 mSDtfsCounter, 31 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 351 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 351 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-20 07:30:38,656 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [31 Valid, 484 Invalid, 360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 351 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-20 07:30:38,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2022-03-20 07:30:38,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 270. [2022-03-20 07:30:38,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 265 states have (on average 1.471698113207547) internal successors, (390), 265 states have internal predecessors, (390), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:30:38,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 394 transitions. [2022-03-20 07:30:38,663 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 394 transitions. Word has length 77 [2022-03-20 07:30:38,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:30:38,668 INFO L478 AbstractCegarLoop]: Abstraction has 270 states and 394 transitions. [2022-03-20 07:30:38,668 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:30:38,668 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 394 transitions. [2022-03-20 07:30:38,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-03-20 07:30:38,674 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:30:38,674 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 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] [2022-03-20 07:30:38,674 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-03-20 07:30:38,674 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:30:38,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:30:38,675 INFO L85 PathProgramCache]: Analyzing trace with hash 1411914628, now seen corresponding path program 1 times [2022-03-20 07:30:38,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:30:38,675 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764426585] [2022-03-20 07:30:38,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:30:38,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:30:38,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:30:38,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:30:38,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:30:38,915 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-03-20 07:30:38,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:30:38,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764426585] [2022-03-20 07:30:38,915 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764426585] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:30:38,915 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:30:38,915 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 07:30:38,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140857687] [2022-03-20 07:30:38,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:30:38,916 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 07:30:38,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:30:38,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 07:30:38,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 07:30:38,917 INFO L87 Difference]: Start difference. First operand 270 states and 394 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) [2022-03-20 07:30:40,927 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:30:41,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:30:41,338 INFO L93 Difference]: Finished difference Result 405 states and 591 transitions. [2022-03-20 07:30:41,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 07:30:41,339 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 78 [2022-03-20 07:30:41,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:30:41,341 INFO L225 Difference]: With dead ends: 405 [2022-03-20 07:30:41,341 INFO L226 Difference]: Without dead ends: 405 [2022-03-20 07:30:41,341 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 07:30:41,342 INFO L913 BasicCegarLoop]: 319 mSDtfsCounter, 128 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 343 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 483 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 343 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-20 07:30:41,342 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [128 Valid, 483 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 343 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-20 07:30:41,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2022-03-20 07:30:41,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 405. [2022-03-20 07:30:41,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 405 states, 400 states have (on average 1.4675) internal successors, (587), 400 states have internal predecessors, (587), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:30:41,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 591 transitions. [2022-03-20 07:30:41,351 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 591 transitions. Word has length 78 [2022-03-20 07:30:41,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:30:41,351 INFO L478 AbstractCegarLoop]: Abstraction has 405 states and 591 transitions. [2022-03-20 07:30:41,351 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) [2022-03-20 07:30:41,352 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 591 transitions. [2022-03-20 07:30:41,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-03-20 07:30:41,353 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:30:41,353 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 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] [2022-03-20 07:30:41,353 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-03-20 07:30:41,353 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:30:41,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:30:41,354 INFO L85 PathProgramCache]: Analyzing trace with hash 1442934435, now seen corresponding path program 1 times [2022-03-20 07:30:41,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:30:41,354 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644223186] [2022-03-20 07:30:41,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:30:41,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:30:41,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:30:41,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:30:41,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:30:41,516 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-20 07:30:41,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:30:41,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644223186] [2022-03-20 07:30:41,516 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [644223186] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:30:41,516 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:30:41,517 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 07:30:41,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774835902] [2022-03-20 07:30:41,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:30:41,518 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 07:30:41,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:30:41,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 07:30:41,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 07:30:41,519 INFO L87 Difference]: Start difference. First operand 405 states and 591 transitions. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:30:43,530 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:30:43,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:30:43,945 INFO L93 Difference]: Finished difference Result 538 states and 785 transitions. [2022-03-20 07:30:43,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 07:30:43,945 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (3), 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 78 [2022-03-20 07:30:43,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:30:43,947 INFO L225 Difference]: With dead ends: 538 [2022-03-20 07:30:43,948 INFO L226 Difference]: Without dead ends: 538 [2022-03-20 07:30:43,948 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 07:30:43,948 INFO L913 BasicCegarLoop]: 312 mSDtfsCounter, 132 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 336 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 476 SdHoareTripleChecker+Invalid, 344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 336 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-20 07:30:43,949 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [132 Valid, 476 Invalid, 344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 336 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-20 07:30:43,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2022-03-20 07:30:43,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 538. [2022-03-20 07:30:43,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 538 states, 533 states have (on average 1.4652908067542214) internal successors, (781), 533 states have internal predecessors, (781), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:30:43,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 785 transitions. [2022-03-20 07:30:43,959 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 785 transitions. Word has length 78 [2022-03-20 07:30:43,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:30:43,959 INFO L478 AbstractCegarLoop]: Abstraction has 538 states and 785 transitions. [2022-03-20 07:30:43,960 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:30:43,960 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 785 transitions. [2022-03-20 07:30:43,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-03-20 07:30:43,961 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:30:43,961 INFO L499 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-03-20 07:30:43,961 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-03-20 07:30:43,962 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:30:43,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:30:43,962 INFO L85 PathProgramCache]: Analyzing trace with hash 1560572353, now seen corresponding path program 1 times [2022-03-20 07:30:43,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:30:43,962 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53671572] [2022-03-20 07:30:43,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:30:43,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:30:44,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:30:44,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:30:44,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:30:44,129 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-03-20 07:30:44,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:30:44,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53671572] [2022-03-20 07:30:44,129 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [53671572] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:30:44,130 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:30:44,130 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 07:30:44,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633813046] [2022-03-20 07:30:44,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:30:44,130 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 07:30:44,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:30:44,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 07:30:44,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 07:30:44,131 INFO L87 Difference]: Start difference. First operand 538 states and 785 transitions. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:30:46,141 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:30:46,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:30:46,550 INFO L93 Difference]: Finished difference Result 672 states and 981 transitions. [2022-03-20 07:30:46,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 07:30:46,551 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 98 [2022-03-20 07:30:46,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:30:46,554 INFO L225 Difference]: With dead ends: 672 [2022-03-20 07:30:46,554 INFO L226 Difference]: Without dead ends: 672 [2022-03-20 07:30:46,554 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 07:30:46,555 INFO L913 BasicCegarLoop]: 318 mSDtfsCounter, 128 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 342 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 482 SdHoareTripleChecker+Invalid, 350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 342 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-20 07:30:46,555 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [128 Valid, 482 Invalid, 350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 342 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-20 07:30:46,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 672 states. [2022-03-20 07:30:46,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 672 to 672. [2022-03-20 07:30:46,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 672 states, 667 states have (on average 1.464767616191904) internal successors, (977), 667 states have internal predecessors, (977), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:30:46,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 672 states and 981 transitions. [2022-03-20 07:30:46,569 INFO L78 Accepts]: Start accepts. Automaton has 672 states and 981 transitions. Word has length 98 [2022-03-20 07:30:46,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:30:46,569 INFO L478 AbstractCegarLoop]: Abstraction has 672 states and 981 transitions. [2022-03-20 07:30:46,569 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:30:46,569 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 981 transitions. [2022-03-20 07:30:46,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-03-20 07:30:46,571 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:30:46,571 INFO L499 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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] [2022-03-20 07:30:46,571 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-03-20 07:30:46,571 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:30:46,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:30:46,572 INFO L85 PathProgramCache]: Analyzing trace with hash 951047844, now seen corresponding path program 1 times [2022-03-20 07:30:46,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:30:46,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391411663] [2022-03-20 07:30:46,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:30:46,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:30:46,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:30:46,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:30:46,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:30:46,755 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2022-03-20 07:30:46,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:30:46,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391411663] [2022-03-20 07:30:46,756 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391411663] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:30:46,756 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:30:46,756 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 07:30:46,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059250693] [2022-03-20 07:30:46,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:30:46,756 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 07:30:46,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:30:46,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 07:30:46,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 07:30:46,757 INFO L87 Difference]: Start difference. First operand 672 states and 981 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 states have internal predecessors, (77), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:30:48,767 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:30:49,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:30:49,144 INFO L93 Difference]: Finished difference Result 669 states and 971 transitions. [2022-03-20 07:30:49,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 07:30:49,144 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 states have internal predecessors, (77), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 119 [2022-03-20 07:30:49,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:30:49,147 INFO L225 Difference]: With dead ends: 669 [2022-03-20 07:30:49,147 INFO L226 Difference]: Without dead ends: 669 [2022-03-20 07:30:49,148 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 07:30:49,148 INFO L913 BasicCegarLoop]: 315 mSDtfsCounter, 128 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 337 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 478 SdHoareTripleChecker+Invalid, 345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 337 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-20 07:30:49,149 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [128 Valid, 478 Invalid, 345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 337 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-20 07:30:49,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 669 states. [2022-03-20 07:30:49,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 669 to 669. [2022-03-20 07:30:49,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 669 states, 664 states have (on average 1.4563253012048192) internal successors, (967), 664 states have internal predecessors, (967), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:30:49,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 669 states and 971 transitions. [2022-03-20 07:30:49,160 INFO L78 Accepts]: Start accepts. Automaton has 669 states and 971 transitions. Word has length 119 [2022-03-20 07:30:49,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:30:49,160 INFO L478 AbstractCegarLoop]: Abstraction has 669 states and 971 transitions. [2022-03-20 07:30:49,161 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 states have internal predecessors, (77), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:30:49,161 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 971 transitions. [2022-03-20 07:30:49,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-03-20 07:30:49,162 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:30:49,162 INFO L499 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:30:49,163 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-03-20 07:30:49,163 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:30:49,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:30:49,163 INFO L85 PathProgramCache]: Analyzing trace with hash -840493056, now seen corresponding path program 1 times [2022-03-20 07:30:49,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:30:49,163 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358410594] [2022-03-20 07:30:49,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:30:49,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:30:49,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:30:49,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:30:49,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:30:49,386 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-03-20 07:30:49,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:30:49,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358410594] [2022-03-20 07:30:49,386 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358410594] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:30:49,386 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:30:49,387 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:30:49,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348110096] [2022-03-20 07:30:49,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:30:49,387 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:30:49,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:30:49,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:30:49,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:30:49,388 INFO L87 Difference]: Start difference. First operand 669 states and 971 transitions. Second operand has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 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) [2022-03-20 07:30:51,398 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:30:51,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:30:51,759 INFO L93 Difference]: Finished difference Result 1115 states and 1613 transitions. [2022-03-20 07:30:51,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:30:51,759 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 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 121 [2022-03-20 07:30:51,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:30:51,763 INFO L225 Difference]: With dead ends: 1115 [2022-03-20 07:30:51,763 INFO L226 Difference]: Without dead ends: 1115 [2022-03-20 07:30:51,763 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 07:30:51,764 INFO L913 BasicCegarLoop]: 99 mSDtfsCounter, 110 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 43 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 386 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-20 07:30:51,764 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [110 Valid, 283 Invalid, 430 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 386 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-20 07:30:51,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1115 states. [2022-03-20 07:30:51,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1115 to 760. [2022-03-20 07:30:51,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 760 states, 755 states have (on average 1.4728476821192054) internal successors, (1112), 755 states have internal predecessors, (1112), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:30:51,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 760 states and 1116 transitions. [2022-03-20 07:30:51,780 INFO L78 Accepts]: Start accepts. Automaton has 760 states and 1116 transitions. Word has length 121 [2022-03-20 07:30:51,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:30:51,780 INFO L478 AbstractCegarLoop]: Abstraction has 760 states and 1116 transitions. [2022-03-20 07:30:51,780 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 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) [2022-03-20 07:30:51,780 INFO L276 IsEmpty]: Start isEmpty. Operand 760 states and 1116 transitions. [2022-03-20 07:30:51,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-03-20 07:30:51,782 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:30:51,782 INFO L499 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:30:51,783 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-03-20 07:30:51,783 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:30:51,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:30:51,783 INFO L85 PathProgramCache]: Analyzing trace with hash -1448569919, now seen corresponding path program 1 times [2022-03-20 07:30:51,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:30:51,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335149169] [2022-03-20 07:30:51,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:30:51,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:30:51,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:30:51,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:30:51,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:30:51,959 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2022-03-20 07:30:51,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:30:51,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335149169] [2022-03-20 07:30:51,959 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [335149169] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:30:51,960 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:30:51,960 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:30:51,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768312831] [2022-03-20 07:30:51,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:30:51,960 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:30:51,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:30:51,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:30:51,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:30:51,961 INFO L87 Difference]: Start difference. First operand 760 states and 1116 transitions. Second operand has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:30:53,971 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:30:54,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:30:54,372 INFO L93 Difference]: Finished difference Result 966 states and 1397 transitions. [2022-03-20 07:30:54,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:30:54,372 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 121 [2022-03-20 07:30:54,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:30:54,376 INFO L225 Difference]: With dead ends: 966 [2022-03-20 07:30:54,376 INFO L226 Difference]: Without dead ends: 966 [2022-03-20 07:30:54,376 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 07:30:54,377 INFO L913 BasicCegarLoop]: 213 mSDtfsCounter, 43 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 407 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 516 SdHoareTripleChecker+Invalid, 416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 407 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-20 07:30:54,377 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [43 Valid, 516 Invalid, 416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 407 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-20 07:30:54,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 966 states. [2022-03-20 07:30:54,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 966 to 856. [2022-03-20 07:30:54,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 856 states, 851 states have (on average 1.490011750881316) internal successors, (1268), 851 states have internal predecessors, (1268), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:30:54,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 856 states and 1272 transitions. [2022-03-20 07:30:54,393 INFO L78 Accepts]: Start accepts. Automaton has 856 states and 1272 transitions. Word has length 121 [2022-03-20 07:30:54,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:30:54,393 INFO L478 AbstractCegarLoop]: Abstraction has 856 states and 1272 transitions. [2022-03-20 07:30:54,394 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:30:54,394 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1272 transitions. [2022-03-20 07:30:54,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-03-20 07:30:54,396 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:30:54,396 INFO L499 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 3, 3, 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] [2022-03-20 07:30:54,396 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-03-20 07:30:54,396 INFO L403 AbstractCegarLoop]: === Iteration 14 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:30:54,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:30:54,397 INFO L85 PathProgramCache]: Analyzing trace with hash -1823323197, now seen corresponding path program 2 times [2022-03-20 07:30:54,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:30:54,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342521227] [2022-03-20 07:30:54,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:30:54,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:30:54,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:30:54,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:30:54,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:30:54,629 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2022-03-20 07:30:54,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:30:54,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342521227] [2022-03-20 07:30:54,629 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342521227] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:30:54,629 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:30:54,629 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:30:54,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769467717] [2022-03-20 07:30:54,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:30:54,630 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:30:54,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:30:54,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:30:54,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:30:54,631 INFO L87 Difference]: Start difference. First operand 856 states and 1272 transitions. Second operand has 5 states, 5 states have (on average 18.8) internal successors, (94), 4 states have internal predecessors, (94), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:30:56,641 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:30:56,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:30:56,982 INFO L93 Difference]: Finished difference Result 1234 states and 1807 transitions. [2022-03-20 07:30:56,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:30:56,982 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.8) internal successors, (94), 4 states have internal predecessors, (94), 1 states have call successors, (3), 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 136 [2022-03-20 07:30:56,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:30:56,986 INFO L225 Difference]: With dead ends: 1234 [2022-03-20 07:30:56,987 INFO L226 Difference]: Without dead ends: 1234 [2022-03-20 07:30:56,987 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 07:30:56,987 INFO L913 BasicCegarLoop]: 105 mSDtfsCounter, 110 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 380 mSolverCounterSat, 43 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 424 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 380 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-03-20 07:30:56,988 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [110 Valid, 299 Invalid, 424 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 380 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-03-20 07:30:56,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1234 states. [2022-03-20 07:30:57,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1234 to 856. [2022-03-20 07:30:57,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 856 states, 851 states have (on average 1.4747356051703877) internal successors, (1255), 851 states have internal predecessors, (1255), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:30:57,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 856 states and 1259 transitions. [2022-03-20 07:30:57,005 INFO L78 Accepts]: Start accepts. Automaton has 856 states and 1259 transitions. Word has length 136 [2022-03-20 07:30:57,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:30:57,006 INFO L478 AbstractCegarLoop]: Abstraction has 856 states and 1259 transitions. [2022-03-20 07:30:57,006 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.8) internal successors, (94), 4 states have internal predecessors, (94), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:30:57,006 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1259 transitions. [2022-03-20 07:30:57,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-03-20 07:30:57,008 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:30:57,008 INFO L499 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:30:57,008 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-03-20 07:30:57,009 INFO L403 AbstractCegarLoop]: === Iteration 15 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:30:57,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:30:57,009 INFO L85 PathProgramCache]: Analyzing trace with hash 2071101255, now seen corresponding path program 1 times [2022-03-20 07:30:57,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:30:57,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820643117] [2022-03-20 07:30:57,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:30:57,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:30:57,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:30:57,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:30:57,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:30:57,199 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2022-03-20 07:30:57,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:30:57,200 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820643117] [2022-03-20 07:30:57,200 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820643117] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:30:57,200 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:30:57,200 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:30:57,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683132958] [2022-03-20 07:30:57,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:30:57,200 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:30:57,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:30:57,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:30:57,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:30:57,201 INFO L87 Difference]: Start difference. First operand 856 states and 1259 transitions. Second operand has 5 states, 5 states have (on average 19.2) internal successors, (96), 4 states have internal predecessors, (96), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:30:59,215 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:30:59,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:30:59,542 INFO L93 Difference]: Finished difference Result 962 states and 1376 transitions. [2022-03-20 07:30:59,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:30:59,542 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 4 states have internal predecessors, (96), 1 states have call successors, (3), 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 138 [2022-03-20 07:30:59,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:30:59,547 INFO L225 Difference]: With dead ends: 962 [2022-03-20 07:30:59,547 INFO L226 Difference]: Without dead ends: 962 [2022-03-20 07:30:59,548 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 07:30:59,549 INFO L913 BasicCegarLoop]: 212 mSDtfsCounter, 51 mSDsluCounter, 302 mSDsCounter, 0 mSdLazyCounter, 399 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 514 SdHoareTripleChecker+Invalid, 408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 399 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-03-20 07:30:59,550 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [51 Valid, 514 Invalid, 408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 399 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-03-20 07:30:59,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 962 states. [2022-03-20 07:30:59,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 962 to 856. [2022-03-20 07:30:59,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 856 states, 851 states have (on average 1.4700352526439482) internal successors, (1251), 851 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) [2022-03-20 07:30:59,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 856 states and 1255 transitions. [2022-03-20 07:30:59,568 INFO L78 Accepts]: Start accepts. Automaton has 856 states and 1255 transitions. Word has length 138 [2022-03-20 07:30:59,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:30:59,568 INFO L478 AbstractCegarLoop]: Abstraction has 856 states and 1255 transitions. [2022-03-20 07:30:59,568 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 4 states have internal predecessors, (96), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:30:59,569 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1255 transitions. [2022-03-20 07:30:59,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-03-20 07:30:59,571 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:30:59,571 INFO L499 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:30:59,571 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-03-20 07:30:59,571 INFO L403 AbstractCegarLoop]: === Iteration 16 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:30:59,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:30:59,571 INFO L85 PathProgramCache]: Analyzing trace with hash 1142128455, now seen corresponding path program 1 times [2022-03-20 07:30:59,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:30:59,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081374823] [2022-03-20 07:30:59,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:30:59,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:30:59,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:30:59,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:30:59,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:30:59,769 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 157 proven. 1 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2022-03-20 07:30:59,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:30:59,770 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081374823] [2022-03-20 07:30:59,771 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081374823] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-20 07:30:59,771 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [819841472] [2022-03-20 07:30:59,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:30:59,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-20 07:30:59,772 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 07:30:59,779 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) [2022-03-20 07:30:59,820 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-03-20 07:31:00,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:31:00,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 1368 conjuncts, 16 conjunts are in the unsatisfiable core [2022-03-20 07:31:00,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-20 07:31:00,670 INFO L356 Elim1Store]: treesize reduction 54, result has 44.3 percent of original size [2022-03-20 07:31:00,671 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 68 treesize of output 143 [2022-03-20 07:31:00,678 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 123 treesize of output 63 [2022-03-20 07:31:00,685 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2022-03-20 07:31:00,695 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2022-03-20 07:31:00,931 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 7 [2022-03-20 07:31:00,934 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3