/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_srvr.blast.11.i.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-b030c9e [2022-03-20 07:42:03,320 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-20 07:42:03,321 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-20 07:42:03,355 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-20 07:42:03,355 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-20 07:42:03,356 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-20 07:42:03,359 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-20 07:42:03,360 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-20 07:42:03,361 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-20 07:42:03,362 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-20 07:42:03,363 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-20 07:42:03,363 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-20 07:42:03,363 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-20 07:42:03,364 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-20 07:42:03,365 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-20 07:42:03,365 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-20 07:42:03,366 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-20 07:42:03,366 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-20 07:42:03,367 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-20 07:42:03,368 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-20 07:42:03,369 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-03-20 07:42:03,370 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-20 07:42:03,370 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-20 07:42:03,371 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-20 07:42:03,371 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-20 07:42:03,373 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-20 07:42:03,373 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-20 07:42:03,373 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-20 07:42:03,374 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-20 07:42:03,374 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-20 07:42:03,375 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-03-20 07:42:03,375 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-20 07:42:03,375 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-20 07:42:03,376 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-20 07:42:03,376 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-20 07:42:03,377 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-20 07:42:03,377 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-20 07:42:03,377 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-20 07:42:03,378 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-20 07:42:03,378 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-20 07:42:03,378 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-20 07:42:03,379 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-20 07:42:03,380 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2022-03-20 07:42:03,386 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-20 07:42:03,386 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-20 07:42:03,387 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-20 07:42:03,387 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-20 07:42:03,387 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-20 07:42:03,387 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-20 07:42:03,387 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-20 07:42:03,387 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-20 07:42:03,387 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-20 07:42:03,388 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-20 07:42:03,388 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-20 07:42:03,388 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-20 07:42:03,388 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-20 07:42:03,388 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-20 07:42:03,388 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-20 07:42:03,388 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-20 07:42:03,388 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-20 07:42:03,388 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-20 07:42:03,388 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-20 07:42:03,388 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-20 07:42:03,389 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-20 07:42:03,389 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-03-20 07:42:03,389 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-03-20 07:42:03,553 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-20 07:42:03,577 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-20 07:42:03,578 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-20 07:42:03,579 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-20 07:42:03,580 INFO L275 PluginConnector]: CDTParser initialized [2022-03-20 07:42:03,581 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/openssl/s3_srvr.blast.11.i.cil-2.c [2022-03-20 07:42:03,630 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0434a35f/6d235195aebd4173a8ecc441d3d3770f/FLAG7b9f34d83 [2022-03-20 07:42:04,077 INFO L306 CDTParser]: Found 1 translation units. [2022-03-20 07:42:04,078 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/openssl/s3_srvr.blast.11.i.cil-2.c [2022-03-20 07:42:04,106 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0434a35f/6d235195aebd4173a8ecc441d3d3770f/FLAG7b9f34d83 [2022-03-20 07:42:04,606 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0434a35f/6d235195aebd4173a8ecc441d3d3770f [2022-03-20 07:42:04,608 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-20 07:42:04,609 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-20 07:42:04,614 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-20 07:42:04,614 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-20 07:42:04,618 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-20 07:42:04,619 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.03 07:42:04" (1/1) ... [2022-03-20 07:42:04,620 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3681329a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 07:42:04, skipping insertion in model container [2022-03-20 07:42:04,620 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.03 07:42:04" (1/1) ... [2022-03-20 07:42:04,624 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-20 07:42:04,687 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-20 07:42:04,970 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/openssl/s3_srvr.blast.11.i.cil-2.c[74369,74382] [2022-03-20 07:42:04,976 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-20 07:42:04,991 INFO L203 MainTranslator]: Completed pre-run [2022-03-20 07:42:05,118 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/openssl/s3_srvr.blast.11.i.cil-2.c[74369,74382] [2022-03-20 07:42:05,120 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-20 07:42:05,133 INFO L208 MainTranslator]: Completed translation [2022-03-20 07:42:05,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 07:42:05 WrapperNode [2022-03-20 07:42:05,133 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-20 07:42:05,134 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-20 07:42:05,134 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-20 07:42:05,134 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-20 07:42:05,143 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 07:42:05" (1/1) ... [2022-03-20 07:42:05,143 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 07:42:05" (1/1) ... [2022-03-20 07:42:05,173 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 07:42:05" (1/1) ... [2022-03-20 07:42:05,174 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 07:42:05" (1/1) ... [2022-03-20 07:42:05,219 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 07:42:05" (1/1) ... [2022-03-20 07:42:05,241 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 07:42:05" (1/1) ... [2022-03-20 07:42:05,244 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 07:42:05" (1/1) ... [2022-03-20 07:42:05,248 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-20 07:42:05,249 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-20 07:42:05,249 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-20 07:42:05,249 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-20 07:42:05,250 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 07:42:05" (1/1) ... [2022-03-20 07:42:05,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-20 07:42:05,267 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 07:42:05,300 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 07:42:05,303 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 07:42:05,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-03-20 07:42:05,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-20 07:42:05,341 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-03-20 07:42:05,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_get_server_method [2022-03-20 07:42:05,341 INFO L138 BoogieDeclarations]: Found implementation of procedure SSLv3_server_method [2022-03-20 07:42:05,341 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-03-20 07:42:05,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_accept [2022-03-20 07:42:05,341 INFO L138 BoogieDeclarations]: Found implementation of procedure sslv3_base_method [2022-03-20 07:42:05,341 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-03-20 07:42:05,342 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-03-20 07:42:05,342 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-03-20 07:42:05,342 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-03-20 07:42:05,342 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-03-20 07:42:05,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-20 07:42:05,342 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2022-03-20 07:42:05,342 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2022-03-20 07:42:05,342 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-03-20 07:42:05,342 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2022-03-20 07:42:05,342 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2022-03-20 07:42:05,342 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2022-03-20 07:42:05,343 INFO L130 BoogieDeclarations]: Found specification of procedure SSLv3_server_method [2022-03-20 07:42:05,343 INFO L130 BoogieDeclarations]: Found specification of procedure sslv3_base_method [2022-03-20 07:42:05,343 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_accept [2022-03-20 07:42:05,343 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_get_server_method [2022-03-20 07:42:05,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-03-20 07:42:05,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-03-20 07:42:05,343 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-03-20 07:42:05,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-03-20 07:42:05,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-20 07:42:05,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-03-20 07:42:05,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-20 07:42:05,343 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2022-03-20 07:42:05,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-03-20 07:42:05,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-03-20 07:42:05,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-20 07:42:05,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-20 07:42:05,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-03-20 07:42:05,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-03-20 07:42:05,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-03-20 07:42:05,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-03-20 07:42:05,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-20 07:42:05,522 INFO L234 CfgBuilder]: Building ICFG [2022-03-20 07:42:05,523 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-20 07:42:06,205 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-03-20 07:42:06,638 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##87: assume false; [2022-03-20 07:42:06,639 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##88: assume !false; [2022-03-20 07:42:06,647 INFO L275 CfgBuilder]: Performing block encoding [2022-03-20 07:42:06,652 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-20 07:42:06,652 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-03-20 07:42:06,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.03 07:42:06 BoogieIcfgContainer [2022-03-20 07:42:06,663 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-20 07:42:06,664 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-03-20 07:42:06,664 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-03-20 07:42:06,665 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-03-20 07:42:06,667 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.03 07:42:06" (1/1) ... [2022-03-20 07:42:06,669 INFO L168 ansformationObserver]: Applying ICFG transformation LOOP_ACCELERATION_JORDAN [2022-03-20 07:42:06,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 20.03 07:42:06 BasicIcfg [2022-03-20 07:42:06,718 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-03-20 07:42:06,719 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-20 07:42:06,719 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-20 07:42:06,726 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-20 07:42:06,726 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.03 07:42:04" (1/4) ... [2022-03-20 07:42:06,727 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@369dc6a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.03 07:42:06, skipping insertion in model container [2022-03-20 07:42:06,727 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 07:42:05" (2/4) ... [2022-03-20 07:42:06,727 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@369dc6a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.03 07:42:06, skipping insertion in model container [2022-03-20 07:42:06,727 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.03 07:42:06" (3/4) ... [2022-03-20 07:42:06,727 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@369dc6a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.03 07:42:06, skipping insertion in model container [2022-03-20 07:42:06,727 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 20.03 07:42:06" (4/4) ... [2022-03-20 07:42:06,728 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr.blast.11.i.cil-2.cJordan [2022-03-20 07:42:06,731 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2022-03-20 07:42:06,732 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-20 07:42:06,771 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-20 07:42:06,778 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 07:42:06,779 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-03-20 07:42:06,801 INFO L276 IsEmpty]: Start isEmpty. Operand has 158 states, 150 states have (on average 1.7066666666666668) internal successors, (256), 151 states have internal predecessors, (256), 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 07:42:06,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-03-20 07:42:06,810 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:42:06,811 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:42:06,811 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:42:06,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:42:06,815 INFO L85 PathProgramCache]: Analyzing trace with hash 1749012704, now seen corresponding path program 1 times [2022-03-20 07:42:06,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:42:06,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126669671] [2022-03-20 07:42:06,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:42:06,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:42:07,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:42:07,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:42:07,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:42:07,198 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 07:42:07,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:42:07,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126669671] [2022-03-20 07:42:07,199 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2126669671] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:42:07,199 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:42:07,199 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:42:07,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849204275] [2022-03-20 07:42:07,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:42:07,205 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:42:07,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:42:07,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:42:07,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:42:07,231 INFO L87 Difference]: Start difference. First operand has 158 states, 150 states have (on average 1.7066666666666668) internal successors, (256), 151 states have internal predecessors, (256), 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 7.6) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (3), 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 07:42:09,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:42:09,295 INFO L93 Difference]: Finished difference Result 191 states and 312 transitions. [2022-03-20 07:42:09,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:42:09,297 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (3), 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 42 [2022-03-20 07:42:09,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:42:09,303 INFO L225 Difference]: With dead ends: 191 [2022-03-20 07:42:09,303 INFO L226 Difference]: Without dead ends: 170 [2022-03-20 07:42:09,304 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 07:42:09,306 INFO L913 BasicCegarLoop]: 229 mSDtfsCounter, 34 mSDsluCounter, 378 mSDsCounter, 0 mSdLazyCounter, 415 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 607 SdHoareTripleChecker+Invalid, 426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 415 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-03-20 07:42:09,307 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 607 Invalid, 426 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 415 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-03-20 07:42:09,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2022-03-20 07:42:09,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 153. [2022-03-20 07:42:09,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 148 states have (on average 1.554054054054054) internal successors, (230), 148 states have internal predecessors, (230), 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 07:42:09,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 234 transitions. [2022-03-20 07:42:09,336 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 234 transitions. Word has length 42 [2022-03-20 07:42:09,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:42:09,336 INFO L478 AbstractCegarLoop]: Abstraction has 153 states and 234 transitions. [2022-03-20 07:42:09,337 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (3), 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 07:42:09,337 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 234 transitions. [2022-03-20 07:42:09,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-03-20 07:42:09,338 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:42:09,338 INFO L499 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:42:09,338 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-20 07:42:09,338 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:42:09,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:42:09,339 INFO L85 PathProgramCache]: Analyzing trace with hash -31615949, now seen corresponding path program 1 times [2022-03-20 07:42:09,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:42:09,339 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303015012] [2022-03-20 07:42:09,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:42:09,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:42:09,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:42:09,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:42:09,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:42:09,512 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-20 07:42:09,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:42:09,513 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303015012] [2022-03-20 07:42:09,513 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1303015012] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:42:09,514 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:42:09,514 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:42:09,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243194402] [2022-03-20 07:42:09,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:42:09,518 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:42:09,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:42:09,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:42:09,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:42:09,520 INFO L87 Difference]: Start difference. First operand 153 states and 234 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (3), 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 07:42:12,226 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 07:42:13,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:42:13,155 INFO L93 Difference]: Finished difference Result 272 states and 418 transitions. [2022-03-20 07:42:13,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:42:13,156 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (3), 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 55 [2022-03-20 07:42:13,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:42:13,158 INFO L225 Difference]: With dead ends: 272 [2022-03-20 07:42:13,158 INFO L226 Difference]: Without dead ends: 272 [2022-03-20 07:42:13,158 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 07:42:13,159 INFO L913 BasicCegarLoop]: 263 mSDtfsCounter, 147 mSDsluCounter, 371 mSDsCounter, 0 mSdLazyCounter, 625 mSolverCounterSat, 46 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 634 SdHoareTripleChecker+Invalid, 672 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 625 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-03-20 07:42:13,159 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [147 Valid, 634 Invalid, 672 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 625 Invalid, 1 Unknown, 0 Unchecked, 3.6s Time] [2022-03-20 07:42:13,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2022-03-20 07:42:13,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 169. [2022-03-20 07:42:13,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 164 states have (on average 1.5548780487804879) internal successors, (255), 164 states have internal predecessors, (255), 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 07:42:13,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 259 transitions. [2022-03-20 07:42:13,169 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 259 transitions. Word has length 55 [2022-03-20 07:42:13,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:42:13,169 INFO L478 AbstractCegarLoop]: Abstraction has 169 states and 259 transitions. [2022-03-20 07:42:13,170 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (3), 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 07:42:13,170 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 259 transitions. [2022-03-20 07:42:13,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-03-20 07:42:13,171 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:42:13,171 INFO L499 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:42:13,171 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-20 07:42:13,171 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:42:13,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:42:13,172 INFO L85 PathProgramCache]: Analyzing trace with hash 563568954, now seen corresponding path program 1 times [2022-03-20 07:42:13,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:42:13,172 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205240600] [2022-03-20 07:42:13,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:42:13,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:42:13,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:42:13,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:42:13,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:42:13,323 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-20 07:42:13,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:42:13,323 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205240600] [2022-03-20 07:42:13,323 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [205240600] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:42:13,323 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:42:13,323 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:42:13,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110268424] [2022-03-20 07:42:13,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:42:13,324 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:42:13,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:42:13,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:42:13,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:42:13,324 INFO L87 Difference]: Start difference. First operand 169 states and 259 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (3), 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 07:42:15,340 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 07:42:15,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:42:15,657 INFO L93 Difference]: Finished difference Result 185 states and 278 transitions. [2022-03-20 07:42:15,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:42:15,658 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (3), 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 56 [2022-03-20 07:42:15,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:42:15,660 INFO L225 Difference]: With dead ends: 185 [2022-03-20 07:42:15,660 INFO L226 Difference]: Without dead ends: 185 [2022-03-20 07:42:15,660 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 07:42:15,661 INFO L913 BasicCegarLoop]: 188 mSDtfsCounter, 28 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 358 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 485 SdHoareTripleChecker+Invalid, 368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 358 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-03-20 07:42:15,661 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 485 Invalid, 368 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 358 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-03-20 07:42:15,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2022-03-20 07:42:15,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 169. [2022-03-20 07:42:15,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 164 states have (on average 1.548780487804878) internal successors, (254), 164 states have internal predecessors, (254), 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 07:42:15,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 258 transitions. [2022-03-20 07:42:15,668 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 258 transitions. Word has length 56 [2022-03-20 07:42:15,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:42:15,668 INFO L478 AbstractCegarLoop]: Abstraction has 169 states and 258 transitions. [2022-03-20 07:42:15,668 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (3), 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 07:42:15,668 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 258 transitions. [2022-03-20 07:42:15,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-03-20 07:42:15,669 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:42:15,669 INFO L499 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:42:15,669 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-20 07:42:15,669 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:42:15,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:42:15,670 INFO L85 PathProgramCache]: Analyzing trace with hash 1102465370, now seen corresponding path program 1 times [2022-03-20 07:42:15,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:42:15,670 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471502503] [2022-03-20 07:42:15,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:42:15,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:42:15,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:42:15,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:42:15,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:42:15,825 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-20 07:42:15,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:42:15,826 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471502503] [2022-03-20 07:42:15,828 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1471502503] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:42:15,829 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:42:15,829 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:42:15,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703825342] [2022-03-20 07:42:15,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:42:15,830 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:42:15,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:42:15,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:42:15,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:42:15,831 INFO L87 Difference]: Start difference. First operand 169 states and 258 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (3), 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 07:42:17,847 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 07:42:18,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:42:18,185 INFO L93 Difference]: Finished difference Result 185 states and 277 transitions. [2022-03-20 07:42:18,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:42:18,186 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (3), 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 56 [2022-03-20 07:42:18,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:42:18,187 INFO L225 Difference]: With dead ends: 185 [2022-03-20 07:42:18,187 INFO L226 Difference]: Without dead ends: 185 [2022-03-20 07:42:18,187 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 07:42:18,188 INFO L913 BasicCegarLoop]: 188 mSDtfsCounter, 26 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 358 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 485 SdHoareTripleChecker+Invalid, 368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 358 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-03-20 07:42:18,188 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [26 Valid, 485 Invalid, 368 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 358 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-03-20 07:42:18,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2022-03-20 07:42:18,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 169. [2022-03-20 07:42:18,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 164 states have (on average 1.5426829268292683) internal successors, (253), 164 states have internal predecessors, (253), 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 07:42:18,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 257 transitions. [2022-03-20 07:42:18,193 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 257 transitions. Word has length 56 [2022-03-20 07:42:18,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:42:18,194 INFO L478 AbstractCegarLoop]: Abstraction has 169 states and 257 transitions. [2022-03-20 07:42:18,194 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (3), 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 07:42:18,194 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 257 transitions. [2022-03-20 07:42:18,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-03-20 07:42:18,195 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:42:18,195 INFO L499 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:42:18,195 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-20 07:42:18,195 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:42:18,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:42:18,195 INFO L85 PathProgramCache]: Analyzing trace with hash 345212314, now seen corresponding path program 1 times [2022-03-20 07:42:18,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:42:18,196 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407681565] [2022-03-20 07:42:18,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:42:18,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:42:18,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:42:18,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:42:18,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:42:18,320 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-20 07:42:18,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:42:18,320 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407681565] [2022-03-20 07:42:18,321 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407681565] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:42:18,321 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:42:18,321 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:42:18,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826536935] [2022-03-20 07:42:18,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:42:18,322 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:42:18,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:42:18,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:42:18,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:42:18,323 INFO L87 Difference]: Start difference. First operand 169 states and 257 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (3), 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 07:42:19,618 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:42:21,924 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:42:23,587 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:42:23,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:42:23,919 INFO L93 Difference]: Finished difference Result 183 states and 274 transitions. [2022-03-20 07:42:23,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:42:23,919 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (3), 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 56 [2022-03-20 07:42:23,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:42:23,920 INFO L225 Difference]: With dead ends: 183 [2022-03-20 07:42:23,920 INFO L226 Difference]: Without dead ends: 183 [2022-03-20 07:42:23,921 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 07:42:23,921 INFO L913 BasicCegarLoop]: 190 mSDtfsCounter, 20 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 358 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 489 SdHoareTripleChecker+Invalid, 366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 358 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-03-20 07:42:23,921 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 489 Invalid, 366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 358 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2022-03-20 07:42:23,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2022-03-20 07:42:23,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 169. [2022-03-20 07:42:23,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 164 states have (on average 1.5365853658536586) internal successors, (252), 164 states have internal predecessors, (252), 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 07:42:23,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 256 transitions. [2022-03-20 07:42:23,929 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 256 transitions. Word has length 56 [2022-03-20 07:42:23,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:42:23,929 INFO L478 AbstractCegarLoop]: Abstraction has 169 states and 256 transitions. [2022-03-20 07:42:23,929 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (3), 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 07:42:23,929 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 256 transitions. [2022-03-20 07:42:23,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-03-20 07:42:23,930 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:42:23,930 INFO L499 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:42:23,930 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-20 07:42:23,930 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:42:23,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:42:23,931 INFO L85 PathProgramCache]: Analyzing trace with hash -3480390, now seen corresponding path program 1 times [2022-03-20 07:42:23,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:42:23,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789936823] [2022-03-20 07:42:23,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:42:23,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:42:23,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:42:24,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:42:24,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:42:24,047 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-20 07:42:24,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:42:24,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789936823] [2022-03-20 07:42:24,047 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789936823] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:42:24,048 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:42:24,048 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:42:24,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014424153] [2022-03-20 07:42:24,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:42:24,048 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:42:24,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:42:24,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:42:24,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:42:24,049 INFO L87 Difference]: Start difference. First operand 169 states and 256 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (3), 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 07:42:27,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:42:27,321 INFO L93 Difference]: Finished difference Result 287 states and 439 transitions. [2022-03-20 07:42:27,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:42:27,321 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (3), 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 56 [2022-03-20 07:42:27,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:42:27,324 INFO L225 Difference]: With dead ends: 287 [2022-03-20 07:42:27,324 INFO L226 Difference]: Without dead ends: 287 [2022-03-20 07:42:27,324 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 07:42:27,325 INFO L913 BasicCegarLoop]: 118 mSDtfsCounter, 145 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 475 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 538 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-03-20 07:42:27,325 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [145 Valid, 344 Invalid, 538 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 475 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-03-20 07:42:27,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2022-03-20 07:42:27,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 187. [2022-03-20 07:42:27,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 182 states have (on average 1.543956043956044) internal successors, (281), 182 states have internal predecessors, (281), 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 07:42:27,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 285 transitions. [2022-03-20 07:42:27,330 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 285 transitions. Word has length 56 [2022-03-20 07:42:27,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:42:27,330 INFO L478 AbstractCegarLoop]: Abstraction has 187 states and 285 transitions. [2022-03-20 07:42:27,330 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (3), 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 07:42:27,330 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 285 transitions. [2022-03-20 07:42:27,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-03-20 07:42:27,331 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:42:27,331 INFO L499 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:42:27,331 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-03-20 07:42:27,332 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:42:27,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:42:27,332 INFO L85 PathProgramCache]: Analyzing trace with hash 1719924627, now seen corresponding path program 1 times [2022-03-20 07:42:27,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:42:27,332 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614890162] [2022-03-20 07:42:27,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:42:27,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:42:27,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:42:27,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:42:27,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:42:27,456 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-20 07:42:27,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:42:27,456 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614890162] [2022-03-20 07:42:27,456 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614890162] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:42:27,456 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:42:27,456 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:42:27,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246258139] [2022-03-20 07:42:27,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:42:27,457 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:42:27,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:42:27,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:42:27,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:42:27,457 INFO L87 Difference]: Start difference. First operand 187 states and 285 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (3), 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 07:42:28,556 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:42:30,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:42:30,646 INFO L93 Difference]: Finished difference Result 287 states and 436 transitions. [2022-03-20 07:42:30,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:42:30,646 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (3), 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 57 [2022-03-20 07:42:30,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:42:30,647 INFO L225 Difference]: With dead ends: 287 [2022-03-20 07:42:30,647 INFO L226 Difference]: Without dead ends: 287 [2022-03-20 07:42:30,647 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 07:42:30,648 INFO L913 BasicCegarLoop]: 118 mSDtfsCounter, 149 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 475 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 538 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-03-20 07:42:30,648 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [149 Valid, 344 Invalid, 538 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 475 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-03-20 07:42:30,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2022-03-20 07:42:30,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 187. [2022-03-20 07:42:30,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 182 states have (on average 1.5274725274725274) internal successors, (278), 182 states have internal predecessors, (278), 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 07:42:30,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 282 transitions. [2022-03-20 07:42:30,652 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 282 transitions. Word has length 57 [2022-03-20 07:42:30,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:42:30,653 INFO L478 AbstractCegarLoop]: Abstraction has 187 states and 282 transitions. [2022-03-20 07:42:30,653 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (3), 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 07:42:30,653 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 282 transitions. [2022-03-20 07:42:30,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-03-20 07:42:30,654 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:42:30,654 INFO L499 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:42:30,654 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-03-20 07:42:30,654 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:42:30,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:42:30,654 INFO L85 PathProgramCache]: Analyzing trace with hash -9441922, now seen corresponding path program 1 times [2022-03-20 07:42:30,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:42:30,654 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613134211] [2022-03-20 07:42:30,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:42:30,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:42:30,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:42:30,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:42:30,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:42:30,747 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-20 07:42:30,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:42:30,747 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613134211] [2022-03-20 07:42:30,747 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613134211] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:42:30,747 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:42:30,748 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:42:30,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169924418] [2022-03-20 07:42:30,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:42:30,748 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:42:30,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:42:30,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:42:30,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:42:30,748 INFO L87 Difference]: Start difference. First operand 187 states and 282 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 07:42:31,946 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:42:32,973 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:42:35,736 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 07:42:36,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:42:36,059 INFO L93 Difference]: Finished difference Result 200 states and 298 transitions. [2022-03-20 07:42:36,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:42:36,059 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 58 [2022-03-20 07:42:36,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:42:36,060 INFO L225 Difference]: With dead ends: 200 [2022-03-20 07:42:36,060 INFO L226 Difference]: Without dead ends: 200 [2022-03-20 07:42:36,061 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 07:42:36,062 INFO L913 BasicCegarLoop]: 191 mSDtfsCounter, 20 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 355 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 491 SdHoareTripleChecker+Invalid, 364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 355 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-03-20 07:42:36,062 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 491 Invalid, 364 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 355 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2022-03-20 07:42:36,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2022-03-20 07:42:36,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 187. [2022-03-20 07:42:36,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 182 states have (on average 1.521978021978022) internal successors, (277), 182 states have internal predecessors, (277), 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 07:42:36,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 281 transitions. [2022-03-20 07:42:36,066 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 281 transitions. Word has length 58 [2022-03-20 07:42:36,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:42:36,066 INFO L478 AbstractCegarLoop]: Abstraction has 187 states and 281 transitions. [2022-03-20 07:42:36,066 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 07:42:36,066 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 281 transitions. [2022-03-20 07:42:36,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-03-20 07:42:36,067 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:42:36,067 INFO L499 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:42:36,067 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-03-20 07:42:36,067 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:42:36,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:42:36,067 INFO L85 PathProgramCache]: Analyzing trace with hash -553280842, now seen corresponding path program 1 times [2022-03-20 07:42:36,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:42:36,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484675606] [2022-03-20 07:42:36,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:42:36,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:42:36,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:42:36,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:42:36,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:42:36,164 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-20 07:42:36,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:42:36,164 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484675606] [2022-03-20 07:42:36,164 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1484675606] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:42:36,164 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:42:36,165 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:42:36,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558544262] [2022-03-20 07:42:36,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:42:36,165 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:42:36,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:42:36,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:42:36,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:42:36,166 INFO L87 Difference]: Start difference. First operand 187 states and 281 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (3), 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 07:42:39,214 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:42:39,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:42:39,565 INFO L93 Difference]: Finished difference Result 190 states and 284 transitions. [2022-03-20 07:42:39,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:42:39,565 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (3), 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 59 [2022-03-20 07:42:39,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:42:39,566 INFO L225 Difference]: With dead ends: 190 [2022-03-20 07:42:39,566 INFO L226 Difference]: Without dead ends: 190 [2022-03-20 07:42:39,566 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 07:42:39,569 INFO L913 BasicCegarLoop]: 198 mSDtfsCounter, 11 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 342 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 505 SdHoareTripleChecker+Invalid, 346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 342 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-03-20 07:42:39,569 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 505 Invalid, 346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 342 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-03-20 07:42:39,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2022-03-20 07:42:39,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 187. [2022-03-20 07:42:39,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 182 states have (on average 1.5164835164835164) internal successors, (276), 182 states have internal predecessors, (276), 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 07:42:39,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 280 transitions. [2022-03-20 07:42:39,574 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 280 transitions. Word has length 59 [2022-03-20 07:42:39,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:42:39,574 INFO L478 AbstractCegarLoop]: Abstraction has 187 states and 280 transitions. [2022-03-20 07:42:39,574 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (3), 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 07:42:39,574 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 280 transitions. [2022-03-20 07:42:39,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-03-20 07:42:39,575 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:42:39,575 INFO L499 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:42:39,575 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-03-20 07:42:39,575 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:42:39,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:42:39,575 INFO L85 PathProgramCache]: Analyzing trace with hash -186558363, now seen corresponding path program 1 times [2022-03-20 07:42:39,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:42:39,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816117940] [2022-03-20 07:42:39,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:42:39,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:42:39,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:42:39,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:42:39,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:42:39,666 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-20 07:42:39,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:42:39,666 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816117940] [2022-03-20 07:42:39,666 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [816117940] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:42:39,666 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:42:39,667 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:42:39,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767897716] [2022-03-20 07:42:39,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:42:39,667 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:42:39,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:42:39,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:42:39,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:42:39,670 INFO L87 Difference]: Start difference. First operand 187 states and 280 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (3), 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 07:42:40,992 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:42:43,009 WARN L534 Checker$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 07:42:45,032 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:42:47,052 WARN L534 Checker$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 07:42:47,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:42:47,517 INFO L93 Difference]: Finished difference Result 305 states and 461 transitions. [2022-03-20 07:42:47,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:42:47,517 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (3), 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 59 [2022-03-20 07:42:47,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:42:47,520 INFO L225 Difference]: With dead ends: 305 [2022-03-20 07:42:47,520 INFO L226 Difference]: Without dead ends: 305 [2022-03-20 07:42:47,520 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 07:42:47,520 INFO L913 BasicCegarLoop]: 118 mSDtfsCounter, 134 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 473 mSolverCounterSat, 61 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 473 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2022-03-20 07:42:47,521 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [134 Valid, 344 Invalid, 537 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 473 Invalid, 3 Unknown, 0 Unchecked, 7.8s Time] [2022-03-20 07:42:47,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2022-03-20 07:42:47,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 215. [2022-03-20 07:42:47,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 210 states have (on average 1.5380952380952382) internal successors, (323), 210 states have internal predecessors, (323), 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 07:42:47,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 327 transitions. [2022-03-20 07:42:47,525 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 327 transitions. Word has length 59 [2022-03-20 07:42:47,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:42:47,525 INFO L478 AbstractCegarLoop]: Abstraction has 215 states and 327 transitions. [2022-03-20 07:42:47,525 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (3), 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 07:42:47,525 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 327 transitions. [2022-03-20 07:42:47,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-03-20 07:42:47,526 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:42:47,526 INFO L499 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:42:47,526 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-03-20 07:42:47,526 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:42:47,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:42:47,526 INFO L85 PathProgramCache]: Analyzing trace with hash 1871719059, now seen corresponding path program 1 times [2022-03-20 07:42:47,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:42:47,526 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874870760] [2022-03-20 07:42:47,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:42:47,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:42:47,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:42:47,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:42:47,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:42:47,626 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-20 07:42:47,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:42:47,626 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874870760] [2022-03-20 07:42:47,626 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [874870760] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:42:47,626 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:42:47,626 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:42:47,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242138111] [2022-03-20 07:42:47,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:42:47,626 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:42:47,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:42:47,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:42:47,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:42:47,627 INFO L87 Difference]: Start difference. First operand 215 states and 327 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (3), 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 07:42:48,836 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:42:50,628 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:42:52,344 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:42:54,368 WARN L534 Checker$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 07:42:54,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:42:54,718 INFO L93 Difference]: Finished difference Result 257 states and 388 transitions. [2022-03-20 07:42:54,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:42:54,718 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (3), 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 07:42:54,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:42:54,720 INFO L225 Difference]: With dead ends: 257 [2022-03-20 07:42:54,720 INFO L226 Difference]: Without dead ends: 257 [2022-03-20 07:42:54,720 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 07:42:54,721 INFO L913 BasicCegarLoop]: 195 mSDtfsCounter, 31 mSDsluCounter, 310 mSDsCounter, 0 mSdLazyCounter, 395 mSolverCounterSat, 11 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 505 SdHoareTripleChecker+Invalid, 407 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 395 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2022-03-20 07:42:54,721 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [31 Valid, 505 Invalid, 407 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 395 Invalid, 1 Unknown, 0 Unchecked, 7.1s Time] [2022-03-20 07:42:54,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2022-03-20 07:42:54,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 237. [2022-03-20 07:42:54,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 237 states, 232 states have (on average 1.543103448275862) internal successors, (358), 232 states have internal predecessors, (358), 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 07:42:54,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 362 transitions. [2022-03-20 07:42:54,727 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 362 transitions. Word has length 60 [2022-03-20 07:42:54,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:42:54,727 INFO L478 AbstractCegarLoop]: Abstraction has 237 states and 362 transitions. [2022-03-20 07:42:54,727 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (3), 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 07:42:54,727 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 362 transitions. [2022-03-20 07:42:54,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-03-20 07:42:54,728 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:42:54,728 INFO L499 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:42:54,728 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-03-20 07:42:54,728 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:42:54,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:42:54,728 INFO L85 PathProgramCache]: Analyzing trace with hash 1940068921, now seen corresponding path program 1 times [2022-03-20 07:42:54,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:42:54,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147265944] [2022-03-20 07:42:54,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:42:54,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:42:54,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:42:54,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:42:54,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:42:54,837 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-20 07:42:54,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:42:54,837 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147265944] [2022-03-20 07:42:54,837 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1147265944] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:42:54,837 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:42:54,837 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:42:54,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223774216] [2022-03-20 07:42:54,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:42:54,838 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:42:54,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:42:54,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:42:54,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:42:54,838 INFO L87 Difference]: Start difference. First operand 237 states and 362 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (3), 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 07:42:56,791 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:42:58,774 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:43:00,799 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 07:43:01,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:43:01,895 INFO L93 Difference]: Finished difference Result 250 states and 377 transitions. [2022-03-20 07:43:01,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:43:01,895 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (3), 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 74 [2022-03-20 07:43:01,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:43:01,896 INFO L225 Difference]: With dead ends: 250 [2022-03-20 07:43:01,896 INFO L226 Difference]: Without dead ends: 250 [2022-03-20 07:43:01,896 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 07:43:01,897 INFO L913 BasicCegarLoop]: 231 mSDtfsCounter, 21 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 400 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 576 SdHoareTripleChecker+Invalid, 411 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 400 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2022-03-20 07:43:01,897 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 576 Invalid, 411 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 400 Invalid, 1 Unknown, 0 Unchecked, 7.0s Time] [2022-03-20 07:43:01,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2022-03-20 07:43:01,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 237. [2022-03-20 07:43:01,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 237 states, 232 states have (on average 1.5387931034482758) internal successors, (357), 232 states have internal predecessors, (357), 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 07:43:01,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 361 transitions. [2022-03-20 07:43:01,901 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 361 transitions. Word has length 74 [2022-03-20 07:43:01,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:43:01,901 INFO L478 AbstractCegarLoop]: Abstraction has 237 states and 361 transitions. [2022-03-20 07:43:01,901 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (3), 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 07:43:01,901 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 361 transitions. [2022-03-20 07:43:01,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-03-20 07:43:01,902 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:43:01,902 INFO L499 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:43:01,902 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-03-20 07:43:01,902 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:43:01,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:43:01,902 INFO L85 PathProgramCache]: Analyzing trace with hash -534019623, now seen corresponding path program 1 times [2022-03-20 07:43:01,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:43:01,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207590974] [2022-03-20 07:43:01,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:43:01,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:43:01,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:43:01,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:43:01,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:43:01,999 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-20 07:43:01,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:43:01,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207590974] [2022-03-20 07:43:02,000 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [207590974] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:43:02,000 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:43:02,000 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:43:02,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314089319] [2022-03-20 07:43:02,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:43:02,000 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:43:02,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:43:02,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:43:02,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:43:02,001 INFO L87 Difference]: Start difference. First operand 237 states and 361 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 07:43:03,932 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:43:05,948 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 07:43:06,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:43:06,871 INFO L93 Difference]: Finished difference Result 255 states and 384 transitions. [2022-03-20 07:43:06,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:43:06,872 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 74 [2022-03-20 07:43:06,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:43:06,873 INFO L225 Difference]: With dead ends: 255 [2022-03-20 07:43:06,873 INFO L226 Difference]: Without dead ends: 255 [2022-03-20 07:43:06,873 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 07:43:06,873 INFO L913 BasicCegarLoop]: 198 mSDtfsCounter, 35 mSDsluCounter, 311 mSDsCounter, 0 mSdLazyCounter, 390 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 509 SdHoareTripleChecker+Invalid, 401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 390 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-03-20 07:43:06,873 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 509 Invalid, 401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 390 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2022-03-20 07:43:06,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2022-03-20 07:43:06,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 237. [2022-03-20 07:43:06,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 237 states, 232 states have (on average 1.5344827586206897) internal successors, (356), 232 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 07:43:06,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 360 transitions. [2022-03-20 07:43:06,877 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 360 transitions. Word has length 74 [2022-03-20 07:43:06,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:43:06,877 INFO L478 AbstractCegarLoop]: Abstraction has 237 states and 360 transitions. [2022-03-20 07:43:06,877 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 07:43:06,877 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 360 transitions. [2022-03-20 07:43:06,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-03-20 07:43:06,878 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:43:06,878 INFO L499 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:43:06,878 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-03-20 07:43:06,878 INFO L403 AbstractCegarLoop]: === Iteration 14 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:43:06,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:43:06,878 INFO L85 PathProgramCache]: Analyzing trace with hash -801809009, now seen corresponding path program 1 times [2022-03-20 07:43:06,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:43:06,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538885576] [2022-03-20 07:43:06,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:43:06,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:43:06,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:43:06,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:43:06,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:43:06,993 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-20 07:43:06,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:43:06,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538885576] [2022-03-20 07:43:06,993 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538885576] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:43:06,993 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:43:06,993 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-20 07:43:06,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803401387] [2022-03-20 07:43:06,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:43:06,994 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-20 07:43:06,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:43:06,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-20 07:43:06,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-03-20 07:43:06,994 INFO L87 Difference]: Start difference. First operand 237 states and 360 transitions. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 5 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 07:43:09,706 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 07:43:11,497 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:43:12,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:43:12,407 INFO L93 Difference]: Finished difference Result 246 states and 371 transitions. [2022-03-20 07:43:12,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-20 07:43:12,407 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 5 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 75 [2022-03-20 07:43:12,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:43:12,408 INFO L225 Difference]: With dead ends: 246 [2022-03-20 07:43:12,408 INFO L226 Difference]: Without dead ends: 246 [2022-03-20 07:43:12,408 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-03-20 07:43:12,408 INFO L913 BasicCegarLoop]: 203 mSDtfsCounter, 3 mSDsluCounter, 430 mSDsCounter, 0 mSdLazyCounter, 435 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 633 SdHoareTripleChecker+Invalid, 440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 435 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-03-20 07:43:12,409 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 633 Invalid, 440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 435 Invalid, 1 Unknown, 0 Unchecked, 5.4s Time] [2022-03-20 07:43:12,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2022-03-20 07:43:12,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 246. [2022-03-20 07:43:12,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 241 states have (on average 1.5228215767634854) internal successors, (367), 241 states have internal predecessors, (367), 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 07:43:12,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 371 transitions. [2022-03-20 07:43:12,412 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 371 transitions. Word has length 75 [2022-03-20 07:43:12,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:43:12,412 INFO L478 AbstractCegarLoop]: Abstraction has 246 states and 371 transitions. [2022-03-20 07:43:12,412 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 5 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 07:43:12,412 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 371 transitions. [2022-03-20 07:43:12,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-03-20 07:43:12,413 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:43:12,413 INFO L499 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:43:12,413 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-03-20 07:43:12,413 INFO L403 AbstractCegarLoop]: === Iteration 15 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:43:12,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:43:12,413 INFO L85 PathProgramCache]: Analyzing trace with hash 1681571247, now seen corresponding path program 1 times [2022-03-20 07:43:12,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:43:12,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211835880] [2022-03-20 07:43:12,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:43:12,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:43:12,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:43:12,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:43:12,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:43:12,508 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-20 07:43:12,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:43:12,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211835880] [2022-03-20 07:43:12,509 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1211835880] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:43:12,509 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:43:12,509 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:43:12,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298637273] [2022-03-20 07:43:12,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:43:12,509 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:43:12,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:43:12,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:43:12,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:43:12,510 INFO L87 Difference]: Start difference. First operand 246 states and 371 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 07:43:13,869 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:43:15,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:43:15,143 INFO L93 Difference]: Finished difference Result 273 states and 405 transitions. [2022-03-20 07:43:15,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:43:15,143 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 75 [2022-03-20 07:43:15,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:43:15,144 INFO L225 Difference]: With dead ends: 273 [2022-03-20 07:43:15,144 INFO L226 Difference]: Without dead ends: 273 [2022-03-20 07:43:15,145 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 07:43:15,145 INFO L913 BasicCegarLoop]: 198 mSDtfsCounter, 39 mSDsluCounter, 311 mSDsCounter, 0 mSdLazyCounter, 391 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 509 SdHoareTripleChecker+Invalid, 401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-03-20 07:43:15,145 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [39 Valid, 509 Invalid, 401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 391 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-03-20 07:43:15,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2022-03-20 07:43:15,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 246. [2022-03-20 07:43:15,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 241 states have (on average 1.5186721991701244) internal successors, (366), 241 states have internal predecessors, (366), 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 07:43:15,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 370 transitions. [2022-03-20 07:43:15,149 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 370 transitions. Word has length 75 [2022-03-20 07:43:15,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:43:15,149 INFO L478 AbstractCegarLoop]: Abstraction has 246 states and 370 transitions. [2022-03-20 07:43:15,149 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 07:43:15,149 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 370 transitions. [2022-03-20 07:43:15,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-03-20 07:43:15,150 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:43:15,150 INFO L499 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:43:15,150 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-03-20 07:43:15,150 INFO L403 AbstractCegarLoop]: === Iteration 16 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:43:15,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:43:15,150 INFO L85 PathProgramCache]: Analyzing trace with hash -1399153773, now seen corresponding path program 1 times [2022-03-20 07:43:15,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:43:15,150 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394544232] [2022-03-20 07:43:15,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:43:15,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:43:15,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:43:15,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:43:15,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:43:15,234 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-20 07:43:15,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:43:15,234 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394544232] [2022-03-20 07:43:15,234 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1394544232] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:43:15,234 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:43:15,234 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:43:15,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905166782] [2022-03-20 07:43:15,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:43:15,235 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:43:15,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:43:15,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:43:15,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:43:15,235 INFO L87 Difference]: Start difference. First operand 246 states and 370 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:43:16,392 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:43:18,408 WARN L534 Checker$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 07:43:20,435 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:43:22,458 WARN L534 Checker$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 07:43:22,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:43:22,863 INFO L93 Difference]: Finished difference Result 355 states and 531 transitions. [2022-03-20 07:43:22,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:43:22,863 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 77 [2022-03-20 07:43:22,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:43:22,864 INFO L225 Difference]: With dead ends: 355 [2022-03-20 07:43:22,864 INFO L226 Difference]: Without dead ends: 355 [2022-03-20 07:43:22,865 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 07:43:22,865 INFO L913 BasicCegarLoop]: 118 mSDtfsCounter, 148 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 472 mSolverCounterSat, 63 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 538 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 472 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2022-03-20 07:43:22,865 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [148 Valid, 344 Invalid, 538 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 472 Invalid, 3 Unknown, 0 Unchecked, 7.6s Time] [2022-03-20 07:43:22,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2022-03-20 07:43:22,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 246. [2022-03-20 07:43:22,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 241 states have (on average 1.5020746887966805) internal successors, (362), 241 states have internal predecessors, (362), 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 07:43:22,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 366 transitions. [2022-03-20 07:43:22,871 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 366 transitions. Word has length 77 [2022-03-20 07:43:22,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:43:22,871 INFO L478 AbstractCegarLoop]: Abstraction has 246 states and 366 transitions. [2022-03-20 07:43:22,872 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:43:22,872 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 366 transitions. [2022-03-20 07:43:22,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-03-20 07:43:22,872 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:43:22,872 INFO L499 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:43:22,872 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-03-20 07:43:22,873 INFO L403 AbstractCegarLoop]: === Iteration 17 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:43:22,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:43:22,873 INFO L85 PathProgramCache]: Analyzing trace with hash -1192836383, now seen corresponding path program 1 times [2022-03-20 07:43:22,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:43:22,873 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789337034] [2022-03-20 07:43:22,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:43:22,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:43:22,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:43:22,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:43:22,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:43:22,957 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-20 07:43:22,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:43:22,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789337034] [2022-03-20 07:43:22,957 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789337034] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:43:22,957 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:43:22,957 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:43:22,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275436302] [2022-03-20 07:43:22,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:43:22,958 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:43:22,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:43:22,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:43:22,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:43:22,958 INFO L87 Difference]: Start difference. First operand 246 states and 366 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 states have internal predecessors, (74), 1 states have call successors, (3), 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 07:43:24,301 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:43:26,320 WARN L534 Checker$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 07:43:28,073 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:43:28,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:43:28,520 INFO L93 Difference]: Finished difference Result 355 states and 527 transitions. [2022-03-20 07:43:28,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:43:28,521 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 states have internal predecessors, (74), 1 states have call successors, (3), 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 07:43:28,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:43:28,522 INFO L225 Difference]: With dead ends: 355 [2022-03-20 07:43:28,522 INFO L226 Difference]: Without dead ends: 355 [2022-03-20 07:43:28,522 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 07:43:28,522 INFO L913 BasicCegarLoop]: 118 mSDtfsCounter, 146 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 474 mSolverCounterSat, 63 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 538 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 474 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-03-20 07:43:28,523 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [146 Valid, 344 Invalid, 538 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 474 Invalid, 1 Unknown, 0 Unchecked, 5.5s Time] [2022-03-20 07:43:28,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2022-03-20 07:43:28,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 246. [2022-03-20 07:43:28,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 241 states have (on average 1.4854771784232366) internal successors, (358), 241 states have internal predecessors, (358), 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 07:43:28,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 362 transitions. [2022-03-20 07:43:28,527 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 362 transitions. Word has length 78 [2022-03-20 07:43:28,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:43:28,527 INFO L478 AbstractCegarLoop]: Abstraction has 246 states and 362 transitions. [2022-03-20 07:43:28,527 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 states have internal predecessors, (74), 1 states have call successors, (3), 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 07:43:28,527 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 362 transitions. [2022-03-20 07:43:28,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-03-20 07:43:28,528 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:43:28,528 INFO L499 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:43:28,528 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-03-20 07:43:28,528 INFO L403 AbstractCegarLoop]: === Iteration 18 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:43:28,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:43:28,528 INFO L85 PathProgramCache]: Analyzing trace with hash -1089053230, now seen corresponding path program 1 times [2022-03-20 07:43:28,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:43:28,528 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654106100] [2022-03-20 07:43:28,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:43:28,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:43:28,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:43:28,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:43:28,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:43:28,652 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-03-20 07:43:28,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:43:28,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654106100] [2022-03-20 07:43:28,652 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1654106100] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:43:28,652 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:43:28,652 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:43:28,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843672358] [2022-03-20 07:43:28,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:43:28,653 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:43:28,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:43:28,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:43:28,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:43:28,653 INFO L87 Difference]: Start difference. First operand 246 states and 362 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (3), 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 07:43:31,014 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:43:33,022 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:43:34,490 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:43:34,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:43:34,928 INFO L93 Difference]: Finished difference Result 353 states and 517 transitions. [2022-03-20 07:43:34,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:43:34,928 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 82 [2022-03-20 07:43:34,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:43:34,929 INFO L225 Difference]: With dead ends: 353 [2022-03-20 07:43:34,929 INFO L226 Difference]: Without dead ends: 353 [2022-03-20 07:43:34,929 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 07:43:34,930 INFO L913 BasicCegarLoop]: 199 mSDtfsCounter, 90 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 527 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 513 SdHoareTripleChecker+Invalid, 543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 527 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-03-20 07:43:34,930 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [90 Valid, 513 Invalid, 543 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 527 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2022-03-20 07:43:34,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2022-03-20 07:43:34,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 277. [2022-03-20 07:43:34,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 272 states have (on average 1.4926470588235294) internal successors, (406), 272 states have internal predecessors, (406), 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 07:43:34,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 410 transitions. [2022-03-20 07:43:34,934 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 410 transitions. Word has length 82 [2022-03-20 07:43:34,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:43:34,934 INFO L478 AbstractCegarLoop]: Abstraction has 277 states and 410 transitions. [2022-03-20 07:43:34,934 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (3), 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 07:43:34,934 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 410 transitions. [2022-03-20 07:43:34,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-03-20 07:43:34,934 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:43:34,935 INFO L499 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:43:34,935 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-03-20 07:43:34,935 INFO L403 AbstractCegarLoop]: === Iteration 19 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:43:34,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:43:34,935 INFO L85 PathProgramCache]: Analyzing trace with hash -63561231, now seen corresponding path program 1 times [2022-03-20 07:43:34,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:43:34,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108115097] [2022-03-20 07:43:34,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:43:34,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:43:35,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:43:35,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:43:35,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:43:35,065 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-03-20 07:43:35,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:43:35,066 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108115097] [2022-03-20 07:43:35,066 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108115097] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:43:35,066 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:43:35,066 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:43:35,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574695294] [2022-03-20 07:43:35,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:43:35,067 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:43:35,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:43:35,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:43:35,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:43:35,067 INFO L87 Difference]: Start difference. First operand 277 states and 410 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (3), 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 07:43:36,531 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:43:38,242 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:43:39,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:43:39,136 INFO L93 Difference]: Finished difference Result 335 states and 491 transitions. [2022-03-20 07:43:39,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:43:39,136 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 82 [2022-03-20 07:43:39,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:43:39,137 INFO L225 Difference]: With dead ends: 335 [2022-03-20 07:43:39,137 INFO L226 Difference]: Without dead ends: 335 [2022-03-20 07:43:39,137 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 07:43:39,138 INFO L913 BasicCegarLoop]: 246 mSDtfsCounter, 37 mSDsluCounter, 359 mSDsCounter, 0 mSdLazyCounter, 469 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 605 SdHoareTripleChecker+Invalid, 480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-03-20 07:43:39,138 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [37 Valid, 605 Invalid, 480 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 469 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-03-20 07:43:39,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2022-03-20 07:43:39,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 301. [2022-03-20 07:43:39,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 296 states have (on average 1.4966216216216217) internal successors, (443), 296 states have internal predecessors, (443), 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 07:43:39,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 447 transitions. [2022-03-20 07:43:39,142 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 447 transitions. Word has length 82 [2022-03-20 07:43:39,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:43:39,142 INFO L478 AbstractCegarLoop]: Abstraction has 301 states and 447 transitions. [2022-03-20 07:43:39,142 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (3), 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 07:43:39,142 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 447 transitions. [2022-03-20 07:43:39,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-03-20 07:43:39,143 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:43:39,143 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:43:39,143 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-03-20 07:43:39,143 INFO L403 AbstractCegarLoop]: === Iteration 20 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:43:39,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:43:39,143 INFO L85 PathProgramCache]: Analyzing trace with hash 2130514276, now seen corresponding path program 1 times [2022-03-20 07:43:39,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:43:39,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95153000] [2022-03-20 07:43:39,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:43:39,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:43:39,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:43:39,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:43:39,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:43:39,229 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-03-20 07:43:39,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:43:39,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95153000] [2022-03-20 07:43:39,229 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95153000] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:43:39,229 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:43:39,229 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:43:39,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457976013] [2022-03-20 07:43:39,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:43:39,229 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:43:39,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:43:39,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:43:39,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:43:39,230 INFO L87 Difference]: Start difference. First operand 301 states and 447 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:43:40,235 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:43:42,356 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:43:44,375 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 07:43:44,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:43:44,807 INFO L93 Difference]: Finished difference Result 400 states and 594 transitions. [2022-03-20 07:43:44,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:43:44,807 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 87 [2022-03-20 07:43:44,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:43:44,809 INFO L225 Difference]: With dead ends: 400 [2022-03-20 07:43:44,809 INFO L226 Difference]: Without dead ends: 400 [2022-03-20 07:43:44,809 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 07:43:44,809 INFO L913 BasicCegarLoop]: 119 mSDtfsCounter, 149 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 472 mSolverCounterSat, 62 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 535 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 472 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-03-20 07:43:44,809 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [149 Valid, 346 Invalid, 535 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 472 Invalid, 1 Unknown, 0 Unchecked, 5.6s Time] [2022-03-20 07:43:44,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states. [2022-03-20 07:43:44,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 301. [2022-03-20 07:43:44,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 296 states have (on average 1.4763513513513513) internal successors, (437), 296 states have internal predecessors, (437), 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 07:43:44,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 441 transitions. [2022-03-20 07:43:44,813 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 441 transitions. Word has length 87 [2022-03-20 07:43:44,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:43:44,813 INFO L478 AbstractCegarLoop]: Abstraction has 301 states and 441 transitions. [2022-03-20 07:43:44,814 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:43:44,814 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 441 transitions. [2022-03-20 07:43:44,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-03-20 07:43:44,814 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:43:44,814 INFO L499 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:43:44,814 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-03-20 07:43:44,814 INFO L403 AbstractCegarLoop]: === Iteration 21 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:43:44,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:43:44,815 INFO L85 PathProgramCache]: Analyzing trace with hash 1881310108, now seen corresponding path program 1 times [2022-03-20 07:43:44,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:43:44,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211385826] [2022-03-20 07:43:44,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:43:44,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:43:44,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:43:44,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:43:44,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:43:44,919 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-03-20 07:43:44,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:43:44,919 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211385826] [2022-03-20 07:43:44,919 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211385826] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:43:44,919 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:43:44,919 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:43:44,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456718455] [2022-03-20 07:43:44,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:43:44,920 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:43:44,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:43:44,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:43:44,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:43:44,920 INFO L87 Difference]: Start difference. First operand 301 states and 441 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 states have internal predecessors, (74), 1 states have call successors, (3), 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 07:43:48,178 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 07:43:50,204 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 07:43:50,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:43:50,598 INFO L93 Difference]: Finished difference Result 429 states and 638 transitions. [2022-03-20 07:43:50,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:43:50,599 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 states have internal predecessors, (74), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 88 [2022-03-20 07:43:50,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:43:50,600 INFO L225 Difference]: With dead ends: 429 [2022-03-20 07:43:50,600 INFO L226 Difference]: Without dead ends: 429 [2022-03-20 07:43:50,600 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 07:43:50,601 INFO L913 BasicCegarLoop]: 120 mSDtfsCounter, 120 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 475 mSolverCounterSat, 58 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 348 SdHoareTripleChecker+Invalid, 535 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 475 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2022-03-20 07:43:50,601 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [120 Valid, 348 Invalid, 535 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 475 Invalid, 2 Unknown, 0 Unchecked, 5.7s Time] [2022-03-20 07:43:50,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2022-03-20 07:43:50,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 351. [2022-03-20 07:43:50,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 351 states, 346 states have (on average 1.5115606936416186) internal successors, (523), 346 states have internal predecessors, (523), 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 07:43:50,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 527 transitions. [2022-03-20 07:43:50,607 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 527 transitions. Word has length 88 [2022-03-20 07:43:50,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:43:50,607 INFO L478 AbstractCegarLoop]: Abstraction has 351 states and 527 transitions. [2022-03-20 07:43:50,608 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 states have internal predecessors, (74), 1 states have call successors, (3), 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 07:43:50,608 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 527 transitions. [2022-03-20 07:43:50,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-03-20 07:43:50,608 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:43:50,608 INFO L499 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:43:50,608 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-03-20 07:43:50,608 INFO L403 AbstractCegarLoop]: === Iteration 22 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:43:50,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:43:50,609 INFO L85 PathProgramCache]: Analyzing trace with hash -1779498248, now seen corresponding path program 1 times [2022-03-20 07:43:50,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:43:50,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739641266] [2022-03-20 07:43:50,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:43:50,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:43:50,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:43:50,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:43:50,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:43:50,706 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-03-20 07:43:50,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:43:50,707 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739641266] [2022-03-20 07:43:50,707 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739641266] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:43:50,707 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:43:50,707 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:43:50,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701199863] [2022-03-20 07:43:50,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:43:50,707 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:43:50,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:43:50,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:43:50,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:43:50,708 INFO L87 Difference]: Start difference. First operand 351 states and 527 transitions. Second operand has 5 states, 5 states have (on average 15.0) internal successors, (75), 4 states have internal predecessors, (75), 1 states have call successors, (3), 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 07:43:51,820 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:43:53,837 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:43:55,859 WARN L534 Checker$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 07:43:57,881 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 07:43:58,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:43:58,265 INFO L93 Difference]: Finished difference Result 409 states and 609 transitions. [2022-03-20 07:43:58,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:43:58,265 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 4 states have internal predecessors, (75), 1 states have call successors, (3), 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 89 [2022-03-20 07:43:58,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:43:58,266 INFO L225 Difference]: With dead ends: 409 [2022-03-20 07:43:58,266 INFO L226 Difference]: Without dead ends: 409 [2022-03-20 07:43:58,266 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 07:43:58,267 INFO L913 BasicCegarLoop]: 184 mSDtfsCounter, 67 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 494 mSolverCounterSat, 14 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 483 SdHoareTripleChecker+Invalid, 511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 494 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2022-03-20 07:43:58,267 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [67 Valid, 483 Invalid, 511 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 494 Invalid, 3 Unknown, 0 Unchecked, 7.5s Time] [2022-03-20 07:43:58,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2022-03-20 07:43:58,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 362. [2022-03-20 07:43:58,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 357 states have (on average 1.5210084033613445) internal successors, (543), 357 states have internal predecessors, (543), 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 07:43:58,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 547 transitions. [2022-03-20 07:43:58,292 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 547 transitions. Word has length 89 [2022-03-20 07:43:58,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:43:58,292 INFO L478 AbstractCegarLoop]: Abstraction has 362 states and 547 transitions. [2022-03-20 07:43:58,292 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 4 states have internal predecessors, (75), 1 states have call successors, (3), 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 07:43:58,292 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 547 transitions. [2022-03-20 07:43:58,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-03-20 07:43:58,293 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:43:58,293 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:43:58,293 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-03-20 07:43:58,293 INFO L403 AbstractCegarLoop]: === Iteration 23 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:43:58,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:43:58,294 INFO L85 PathProgramCache]: Analyzing trace with hash 1616616152, now seen corresponding path program 1 times [2022-03-20 07:43:58,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:43:58,294 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405677409] [2022-03-20 07:43:58,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:43:58,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:43:58,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:43:58,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:43:58,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:43:58,377 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-03-20 07:43:58,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:43:58,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405677409] [2022-03-20 07:43:58,377 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1405677409] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:43:58,377 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:43:58,377 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:43:58,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678362340] [2022-03-20 07:43:58,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:43:58,378 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:43:58,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:43:58,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:43:58,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:43:58,378 INFO L87 Difference]: Start difference. First operand 362 states and 547 transitions. Second operand has 5 states, 5 states have (on average 16.4) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:44:00,208 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:44:02,229 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 07:44:03,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:44:03,014 INFO L93 Difference]: Finished difference Result 451 states and 675 transitions. [2022-03-20 07:44:03,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:44:03,015 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 96 [2022-03-20 07:44:03,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:44:03,016 INFO L225 Difference]: With dead ends: 451 [2022-03-20 07:44:03,016 INFO L226 Difference]: Without dead ends: 451 [2022-03-20 07:44:03,016 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 07:44:03,017 INFO L913 BasicCegarLoop]: 120 mSDtfsCounter, 142 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 473 mSolverCounterSat, 61 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 348 SdHoareTripleChecker+Invalid, 535 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 473 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-03-20 07:44:03,017 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [142 Valid, 348 Invalid, 535 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 473 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2022-03-20 07:44:03,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2022-03-20 07:44:03,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 362. [2022-03-20 07:44:03,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 357 states have (on average 1.5070028011204482) internal successors, (538), 357 states have internal predecessors, (538), 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 07:44:03,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 542 transitions. [2022-03-20 07:44:03,021 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 542 transitions. Word has length 96 [2022-03-20 07:44:03,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:44:03,022 INFO L478 AbstractCegarLoop]: Abstraction has 362 states and 542 transitions. [2022-03-20 07:44:03,022 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:44:03,022 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 542 transitions. [2022-03-20 07:44:03,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-03-20 07:44:03,022 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:44:03,022 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:44:03,023 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-03-20 07:44:03,023 INFO L403 AbstractCegarLoop]: === Iteration 24 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:44:03,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:44:03,024 INFO L85 PathProgramCache]: Analyzing trace with hash -368196464, now seen corresponding path program 1 times [2022-03-20 07:44:03,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:44:03,024 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024779406] [2022-03-20 07:44:03,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:44:03,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:44:03,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:44:03,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:44:03,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:44:03,124 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-03-20 07:44:03,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:44:03,124 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024779406] [2022-03-20 07:44:03,124 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024779406] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:44:03,124 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:44:03,124 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:44:03,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873939098] [2022-03-20 07:44:03,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:44:03,124 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:44:03,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:44:03,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:44:03,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:44:03,125 INFO L87 Difference]: Start difference. First operand 362 states and 542 transitions. Second operand has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:44:05,697 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 07:44:07,039 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:44:07,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:44:07,679 INFO L93 Difference]: Finished difference Result 441 states and 656 transitions. [2022-03-20 07:44:07,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:44:07,680 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 97 [2022-03-20 07:44:07,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:44:07,681 INFO L225 Difference]: With dead ends: 441 [2022-03-20 07:44:07,681 INFO L226 Difference]: Without dead ends: 441 [2022-03-20 07:44:07,681 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 07:44:07,682 INFO L913 BasicCegarLoop]: 130 mSDtfsCounter, 139 mSDsluCounter, 238 mSDsCounter, 0 mSdLazyCounter, 462 mSolverCounterSat, 54 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 368 SdHoareTripleChecker+Invalid, 517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 462 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-03-20 07:44:07,682 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [139 Valid, 368 Invalid, 517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 462 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2022-03-20 07:44:07,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2022-03-20 07:44:07,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 362. [2022-03-20 07:44:07,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 357 states have (on average 1.4901960784313726) internal successors, (532), 357 states have internal predecessors, (532), 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 07:44:07,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 536 transitions. [2022-03-20 07:44:07,688 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 536 transitions. Word has length 97 [2022-03-20 07:44:07,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:44:07,688 INFO L478 AbstractCegarLoop]: Abstraction has 362 states and 536 transitions. [2022-03-20 07:44:07,688 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:44:07,688 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 536 transitions. [2022-03-20 07:44:07,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-03-20 07:44:07,689 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:44:07,689 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:44:07,689 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-03-20 07:44:07,689 INFO L403 AbstractCegarLoop]: === Iteration 25 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:44:07,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:44:07,690 INFO L85 PathProgramCache]: Analyzing trace with hash -102121424, now seen corresponding path program 1 times [2022-03-20 07:44:07,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:44:07,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141227665] [2022-03-20 07:44:07,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:44:07,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:44:07,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:44:07,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:44:07,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:44:07,798 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-03-20 07:44:07,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:44:07,799 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141227665] [2022-03-20 07:44:07,799 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141227665] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:44:07,799 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:44:07,799 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:44:07,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029990305] [2022-03-20 07:44:07,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:44:07,799 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:44:07,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:44:07,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:44:07,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:44:07,800 INFO L87 Difference]: Start difference. First operand 362 states and 536 transitions. Second operand has 5 states, 5 states have (on average 18.0) internal successors, (90), 4 states have internal predecessors, (90), 1 states have call successors, (3), 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 07:44:09,008 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:44:10,347 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:44:12,057 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:44:12,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:44:12,431 INFO L93 Difference]: Finished difference Result 397 states and 582 transitions. [2022-03-20 07:44:12,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:44:12,431 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 4 states have internal predecessors, (90), 1 states have call successors, (3), 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 104 [2022-03-20 07:44:12,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:44:12,433 INFO L225 Difference]: With dead ends: 397 [2022-03-20 07:44:12,433 INFO L226 Difference]: Without dead ends: 397 [2022-03-20 07:44:12,433 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 07:44:12,433 INFO L913 BasicCegarLoop]: 200 mSDtfsCounter, 73 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 487 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 515 SdHoareTripleChecker+Invalid, 496 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 487 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-03-20 07:44:12,433 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [73 Valid, 515 Invalid, 496 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 487 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2022-03-20 07:44:12,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2022-03-20 07:44:12,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 362. [2022-03-20 07:44:12,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 357 states have (on average 1.4873949579831933) internal successors, (531), 357 states have internal predecessors, (531), 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 07:44:12,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 535 transitions. [2022-03-20 07:44:12,437 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 535 transitions. Word has length 104 [2022-03-20 07:44:12,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:44:12,438 INFO L478 AbstractCegarLoop]: Abstraction has 362 states and 535 transitions. [2022-03-20 07:44:12,438 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 4 states have internal predecessors, (90), 1 states have call successors, (3), 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 07:44:12,438 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 535 transitions. [2022-03-20 07:44:12,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-03-20 07:44:12,438 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:44:12,439 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:44:12,439 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-03-20 07:44:12,439 INFO L403 AbstractCegarLoop]: === Iteration 26 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:44:12,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:44:12,439 INFO L85 PathProgramCache]: Analyzing trace with hash -81784049, now seen corresponding path program 1 times [2022-03-20 07:44:12,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:44:12,439 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480485330] [2022-03-20 07:44:12,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:44:12,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:44:12,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:44:12,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:44:12,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:44:12,542 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-03-20 07:44:12,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:44:12,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480485330] [2022-03-20 07:44:12,542 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480485330] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:44:12,542 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:44:12,542 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 07:44:12,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732785514] [2022-03-20 07:44:12,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:44:12,543 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 07:44:12,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:44:12,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 07:44:12,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 07:44:12,544 INFO L87 Difference]: Start difference. First operand 362 states and 535 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 07:44:14,829 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:44:15,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:44:15,694 INFO L93 Difference]: Finished difference Result 693 states and 1026 transitions. [2022-03-20 07:44:15,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 07:44:15,694 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 104 [2022-03-20 07:44:15,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:44:15,696 INFO L225 Difference]: With dead ends: 693 [2022-03-20 07:44:15,696 INFO L226 Difference]: Without dead ends: 693 [2022-03-20 07:44:15,697 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 07:44:15,697 INFO L913 BasicCegarLoop]: 241 mSDtfsCounter, 143 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 284 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 435 SdHoareTripleChecker+Invalid, 295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-03-20 07:44:15,697 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [143 Valid, 435 Invalid, 295 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 284 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-03-20 07:44:15,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 693 states. [2022-03-20 07:44:15,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 693 to 693. [2022-03-20 07:44:15,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 693 states, 688 states have (on average 1.4854651162790697) internal successors, (1022), 688 states have internal predecessors, (1022), 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 07:44:15,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 693 states and 1026 transitions. [2022-03-20 07:44:15,704 INFO L78 Accepts]: Start accepts. Automaton has 693 states and 1026 transitions. Word has length 104 [2022-03-20 07:44:15,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:44:15,704 INFO L478 AbstractCegarLoop]: Abstraction has 693 states and 1026 transitions. [2022-03-20 07:44:15,704 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 07:44:15,704 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 1026 transitions. [2022-03-20 07:44:15,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-03-20 07:44:15,705 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:44:15,705 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:44:15,705 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-03-20 07:44:15,705 INFO L403 AbstractCegarLoop]: === Iteration 27 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:44:15,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:44:15,706 INFO L85 PathProgramCache]: Analyzing trace with hash -2012403154, now seen corresponding path program 1 times [2022-03-20 07:44:15,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:44:15,706 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811747395] [2022-03-20 07:44:15,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:44:15,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:44:15,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:44:15,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:44:15,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:44:15,779 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-03-20 07:44:15,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:44:15,779 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811747395] [2022-03-20 07:44:15,779 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811747395] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:44:15,780 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:44:15,780 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 07:44:15,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49134398] [2022-03-20 07:44:15,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:44:15,780 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 07:44:15,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:44:15,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 07:44:15,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 07:44:15,780 INFO L87 Difference]: Start difference. First operand 693 states and 1026 transitions. Second operand has 4 states, 4 states have (on average 20.5) internal successors, (82), 3 states have internal predecessors, (82), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:44:18,249 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:44:18,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:44:18,501 INFO L93 Difference]: Finished difference Result 720 states and 1061 transitions. [2022-03-20 07:44:18,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 07:44:18,501 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 3 states have internal predecessors, (82), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 104 [2022-03-20 07:44:18,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:44:18,503 INFO L225 Difference]: With dead ends: 720 [2022-03-20 07:44:18,503 INFO L226 Difference]: Without dead ends: 720 [2022-03-20 07:44:18,503 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 07:44:18,504 INFO L913 BasicCegarLoop]: 223 mSDtfsCounter, 15 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-03-20 07:44:18,504 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 417 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-03-20 07:44:18,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 720 states. [2022-03-20 07:44:18,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 720 to 720. [2022-03-20 07:44:18,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 720 states, 715 states have (on average 1.4783216783216784) internal successors, (1057), 715 states have internal predecessors, (1057), 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 07:44:18,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 720 states and 1061 transitions. [2022-03-20 07:44:18,510 INFO L78 Accepts]: Start accepts. Automaton has 720 states and 1061 transitions. Word has length 104 [2022-03-20 07:44:18,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:44:18,510 INFO L478 AbstractCegarLoop]: Abstraction has 720 states and 1061 transitions. [2022-03-20 07:44:18,510 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 3 states have internal predecessors, (82), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:44:18,511 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 1061 transitions. [2022-03-20 07:44:18,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-03-20 07:44:18,512 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:44:18,512 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:44:18,512 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-03-20 07:44:18,512 INFO L403 AbstractCegarLoop]: === Iteration 28 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:44:18,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:44:18,512 INFO L85 PathProgramCache]: Analyzing trace with hash -1592886323, now seen corresponding path program 1 times [2022-03-20 07:44:18,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:44:18,512 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866395209] [2022-03-20 07:44:18,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:44:18,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:44:18,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:44:18,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:44:18,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:44:18,587 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2022-03-20 07:44:18,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:44:18,587 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866395209] [2022-03-20 07:44:18,588 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1866395209] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:44:18,588 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:44:18,588 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 07:44:18,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622115389] [2022-03-20 07:44:18,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:44:18,588 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 07:44:18,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:44:18,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 07:44:18,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 07:44:18,588 INFO L87 Difference]: Start difference. First operand 720 states and 1061 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:44:19,784 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:44:22,296 WARN L534 Checker$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 07:44:22,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:44:22,541 INFO L93 Difference]: Finished difference Result 722 states and 1063 transitions. [2022-03-20 07:44:22,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 07:44:22,541 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 104 [2022-03-20 07:44:22,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:44:22,543 INFO L225 Difference]: With dead ends: 722 [2022-03-20 07:44:22,543 INFO L226 Difference]: Without dead ends: 722 [2022-03-20 07:44:22,543 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 07:44:22,543 INFO L913 BasicCegarLoop]: 211 mSDtfsCounter, 4 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 396 SdHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-03-20 07:44:22,543 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 396 Invalid, 238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 235 Invalid, 1 Unknown, 0 Unchecked, 3.9s Time] [2022-03-20 07:44:22,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 722 states. [2022-03-20 07:44:22,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 722 to 722. [2022-03-20 07:44:22,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 722 states, 717 states have (on average 1.4769874476987448) internal successors, (1059), 717 states have internal predecessors, (1059), 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 07:44:22,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 722 states and 1063 transitions. [2022-03-20 07:44:22,550 INFO L78 Accepts]: Start accepts. Automaton has 722 states and 1063 transitions. Word has length 104 [2022-03-20 07:44:22,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:44:22,550 INFO L478 AbstractCegarLoop]: Abstraction has 722 states and 1063 transitions. [2022-03-20 07:44:22,550 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:44:22,550 INFO L276 IsEmpty]: Start isEmpty. Operand 722 states and 1063 transitions. [2022-03-20 07:44:22,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-03-20 07:44:22,551 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:44:22,551 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:44:22,551 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-03-20 07:44:22,551 INFO L403 AbstractCegarLoop]: === Iteration 29 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:44:22,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:44:22,552 INFO L85 PathProgramCache]: Analyzing trace with hash -276398424, now seen corresponding path program 1 times [2022-03-20 07:44:22,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:44:22,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876391982] [2022-03-20 07:44:22,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:44:22,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:44:22,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:44:22,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:44:22,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:44:22,637 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-03-20 07:44:22,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:44:22,638 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876391982] [2022-03-20 07:44:22,638 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1876391982] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:44:22,638 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:44:22,638 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 07:44:22,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807792502] [2022-03-20 07:44:22,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:44:22,638 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 07:44:22,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:44:22,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 07:44:22,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 07:44:22,639 INFO L87 Difference]: Start difference. First operand 722 states and 1063 transitions. Second operand has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:44:24,192 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:44:26,636 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:44:26,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:44:26,879 INFO L93 Difference]: Finished difference Result 1058 states and 1566 transitions. [2022-03-20 07:44:26,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 07:44:26,880 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 106 [2022-03-20 07:44:26,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:44:26,882 INFO L225 Difference]: With dead ends: 1058 [2022-03-20 07:44:26,882 INFO L226 Difference]: Without dead ends: 1058 [2022-03-20 07:44:26,882 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 07:44:26,883 INFO L913 BasicCegarLoop]: 194 mSDtfsCounter, 164 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-03-20 07:44:26,883 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [164 Valid, 379 Invalid, 261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2022-03-20 07:44:26,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1058 states. [2022-03-20 07:44:26,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1058 to 1056. [2022-03-20 07:44:26,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1056 states, 1051 states have (on average 1.4852521408182684) internal successors, (1561), 1051 states have internal predecessors, (1561), 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 07:44:26,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1056 states to 1056 states and 1565 transitions. [2022-03-20 07:44:26,893 INFO L78 Accepts]: Start accepts. Automaton has 1056 states and 1565 transitions. Word has length 106 [2022-03-20 07:44:26,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:44:26,894 INFO L478 AbstractCegarLoop]: Abstraction has 1056 states and 1565 transitions. [2022-03-20 07:44:26,894 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:44:26,894 INFO L276 IsEmpty]: Start isEmpty. Operand 1056 states and 1565 transitions. [2022-03-20 07:44:26,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-20 07:44:26,895 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:44:26,895 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:44:26,895 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-03-20 07:44:26,895 INFO L403 AbstractCegarLoop]: === Iteration 30 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:44:26,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:44:26,895 INFO L85 PathProgramCache]: Analyzing trace with hash 55993698, now seen corresponding path program 1 times [2022-03-20 07:44:26,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:44:26,895 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530364892] [2022-03-20 07:44:26,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:44:26,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:44:26,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:44:27,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:44:27,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:44:27,017 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-03-20 07:44:27,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:44:27,017 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530364892] [2022-03-20 07:44:27,017 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1530364892] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:44:27,017 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:44:27,017 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 07:44:27,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352976088] [2022-03-20 07:44:27,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:44:27,018 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 07:44:27,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:44:27,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 07:44:27,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 07:44:27,018 INFO L87 Difference]: Start difference. First operand 1056 states and 1565 transitions. Second operand has 4 states, 4 states have (on average 20.75) internal successors, (83), 3 states have internal predecessors, (83), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:44:30,475 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 07:44:30,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:44:30,891 INFO L93 Difference]: Finished difference Result 1392 states and 2054 transitions. [2022-03-20 07:44:30,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 07:44:30,891 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 3 states have internal predecessors, (83), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 113 [2022-03-20 07:44:30,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:44:30,894 INFO L225 Difference]: With dead ends: 1392 [2022-03-20 07:44:30,894 INFO L226 Difference]: Without dead ends: 1392 [2022-03-20 07:44:30,895 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 07:44:30,895 INFO L913 BasicCegarLoop]: 382 mSDtfsCounter, 148 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 427 mSolverCounterSat, 11 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 576 SdHoareTripleChecker+Invalid, 439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 427 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-03-20 07:44:30,895 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [148 Valid, 576 Invalid, 439 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 427 Invalid, 1 Unknown, 0 Unchecked, 3.9s Time] [2022-03-20 07:44:30,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1392 states. [2022-03-20 07:44:30,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1392 to 1390. [2022-03-20 07:44:30,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1390 states, 1385 states have (on average 1.47942238267148) internal successors, (2049), 1385 states have internal predecessors, (2049), 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 07:44:30,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1390 states to 1390 states and 2053 transitions. [2022-03-20 07:44:30,908 INFO L78 Accepts]: Start accepts. Automaton has 1390 states and 2053 transitions. Word has length 113 [2022-03-20 07:44:30,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:44:30,908 INFO L478 AbstractCegarLoop]: Abstraction has 1390 states and 2053 transitions. [2022-03-20 07:44:30,908 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 3 states have internal predecessors, (83), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:44:30,908 INFO L276 IsEmpty]: Start isEmpty. Operand 1390 states and 2053 transitions. [2022-03-20 07:44:30,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-03-20 07:44:30,910 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:44:30,910 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:44:30,910 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-03-20 07:44:30,910 INFO L403 AbstractCegarLoop]: === Iteration 31 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:44:30,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:44:30,910 INFO L85 PathProgramCache]: Analyzing trace with hash -141195902, now seen corresponding path program 1 times [2022-03-20 07:44:30,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:44:30,910 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890606905] [2022-03-20 07:44:30,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:44:30,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:44:30,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:44:30,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:44:30,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:44:31,001 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-03-20 07:44:31,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:44:31,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890606905] [2022-03-20 07:44:31,001 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890606905] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:44:31,001 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:44:31,001 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:44:31,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846894153] [2022-03-20 07:44:31,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:44:31,001 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:44:31,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:44:31,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:44:31,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:44:31,002 INFO L87 Difference]: Start difference. First operand 1390 states and 2053 transitions. Second operand has 5 states, 5 states have (on average 20.0) internal successors, (100), 4 states have internal predecessors, (100), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:44:34,580 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:44:35,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:44:35,074 INFO L93 Difference]: Finished difference Result 1700 states and 2501 transitions. [2022-03-20 07:44:35,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:44:35,074 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 4 states have internal predecessors, (100), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 130 [2022-03-20 07:44:35,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:44:35,078 INFO L225 Difference]: With dead ends: 1700 [2022-03-20 07:44:35,078 INFO L226 Difference]: Without dead ends: 1700 [2022-03-20 07:44:35,078 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 07:44:35,080 INFO L913 BasicCegarLoop]: 140 mSDtfsCounter, 109 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 472 mSolverCounterSat, 54 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 388 SdHoareTripleChecker+Invalid, 527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 472 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-03-20 07:44:35,081 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [109 Valid, 388 Invalid, 527 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 472 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2022-03-20 07:44:35,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1700 states. [2022-03-20 07:44:35,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1700 to 1394. [2022-03-20 07:44:35,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1394 states, 1389 states have (on average 1.4838012958963283) internal successors, (2061), 1389 states have internal predecessors, (2061), 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 07:44:35,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1394 states to 1394 states and 2065 transitions. [2022-03-20 07:44:35,096 INFO L78 Accepts]: Start accepts. Automaton has 1394 states and 2065 transitions. Word has length 130 [2022-03-20 07:44:35,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:44:35,096 INFO L478 AbstractCegarLoop]: Abstraction has 1394 states and 2065 transitions. [2022-03-20 07:44:35,096 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 4 states have internal predecessors, (100), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:44:35,096 INFO L276 IsEmpty]: Start isEmpty. Operand 1394 states and 2065 transitions. [2022-03-20 07:44:35,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-03-20 07:44:35,098 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:44:35,098 INFO L499 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1] [2022-03-20 07:44:35,098 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-03-20 07:44:35,098 INFO L403 AbstractCegarLoop]: === Iteration 32 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:44:35,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:44:35,099 INFO L85 PathProgramCache]: Analyzing trace with hash 1588802902, now seen corresponding path program 1 times [2022-03-20 07:44:35,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:44:35,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698576244] [2022-03-20 07:44:35,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:44:35,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:44:35,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:44:35,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:44:35,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:44:35,233 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2022-03-20 07:44:35,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:44:35,233 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698576244] [2022-03-20 07:44:35,233 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698576244] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:44:35,233 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:44:35,233 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 07:44:35,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785811574] [2022-03-20 07:44:35,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:44:35,234 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 07:44:35,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:44:35,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 07:44:35,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 07:44:35,234 INFO L87 Difference]: Start difference. First operand 1394 states and 2065 transitions. Second operand has 4 states, 4 states have (on average 21.5) internal successors, (86), 3 states have internal predecessors, (86), 1 states have call successors, (3), 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 07:44:37,161 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:44:38,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:44:38,320 INFO L93 Difference]: Finished difference Result 1731 states and 2565 transitions. [2022-03-20 07:44:38,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 07:44:38,320 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.5) internal successors, (86), 3 states have internal predecessors, (86), 1 states have call successors, (3), 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 134 [2022-03-20 07:44:38,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:44:38,324 INFO L225 Difference]: With dead ends: 1731 [2022-03-20 07:44:38,324 INFO L226 Difference]: Without dead ends: 1731 [2022-03-20 07:44:38,324 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 07:44:38,325 INFO L913 BasicCegarLoop]: 193 mSDtfsCounter, 165 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-03-20 07:44:38,325 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [165 Valid, 378 Invalid, 255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-03-20 07:44:38,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1731 states. [2022-03-20 07:44:38,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1731 to 1729. [2022-03-20 07:44:38,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1729 states, 1724 states have (on average 1.4849187935034802) internal successors, (2560), 1724 states have internal predecessors, (2560), 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 07:44:38,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1729 states to 1729 states and 2564 transitions. [2022-03-20 07:44:38,341 INFO L78 Accepts]: Start accepts. Automaton has 1729 states and 2564 transitions. Word has length 134 [2022-03-20 07:44:38,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:44:38,341 INFO L478 AbstractCegarLoop]: Abstraction has 1729 states and 2564 transitions. [2022-03-20 07:44:38,341 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.5) internal successors, (86), 3 states have internal predecessors, (86), 1 states have call successors, (3), 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 07:44:38,341 INFO L276 IsEmpty]: Start isEmpty. Operand 1729 states and 2564 transitions. [2022-03-20 07:44:38,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-03-20 07:44:38,343 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:44:38,343 INFO L499 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:44:38,343 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-03-20 07:44:38,343 INFO L403 AbstractCegarLoop]: === Iteration 33 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:44:38,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:44:38,344 INFO L85 PathProgramCache]: Analyzing trace with hash 942182169, now seen corresponding path program 1 times [2022-03-20 07:44:38,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:44:38,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236862415] [2022-03-20 07:44:38,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:44:38,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:44:38,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:44:38,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:44:38,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:44:38,441 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-03-20 07:44:38,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:44:38,441 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236862415] [2022-03-20 07:44:38,442 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236862415] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:44:38,442 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:44:38,442 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:44:38,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285476669] [2022-03-20 07:44:38,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:44:38,442 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:44:38,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:44:38,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:44:38,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:44:38,443 INFO L87 Difference]: Start difference. First operand 1729 states and 2564 transitions. Second operand has 5 states, 5 states have (on average 25.6) internal successors, (128), 4 states have internal predecessors, (128), 1 states have call successors, (3), 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 07:44:40,007 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:44:42,303 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:44:44,332 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:44:44,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:44:44,762 INFO L93 Difference]: Finished difference Result 2436 states and 3618 transitions. [2022-03-20 07:44:44,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:44:44,762 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.6) internal successors, (128), 4 states have internal predecessors, (128), 1 states have call successors, (3), 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 158 [2022-03-20 07:44:44,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:44:44,768 INFO L225 Difference]: With dead ends: 2436 [2022-03-20 07:44:44,768 INFO L226 Difference]: Without dead ends: 2436 [2022-03-20 07:44:44,768 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 07:44:44,769 INFO L913 BasicCegarLoop]: 135 mSDtfsCounter, 115 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 456 mSolverCounterSat, 44 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 502 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 456 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-03-20 07:44:44,769 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [115 Valid, 378 Invalid, 502 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 456 Invalid, 2 Unknown, 0 Unchecked, 6.3s Time] [2022-03-20 07:44:44,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2436 states. [2022-03-20 07:44:44,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2436 to 2049. [2022-03-20 07:44:44,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2049 states, 2044 states have (on average 1.4921722113502935) internal successors, (3050), 2044 states have internal predecessors, (3050), 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 07:44:44,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2049 states to 2049 states and 3054 transitions. [2022-03-20 07:44:44,798 INFO L78 Accepts]: Start accepts. Automaton has 2049 states and 3054 transitions. Word has length 158 [2022-03-20 07:44:44,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:44:44,798 INFO L478 AbstractCegarLoop]: Abstraction has 2049 states and 3054 transitions. [2022-03-20 07:44:44,798 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.6) internal successors, (128), 4 states have internal predecessors, (128), 1 states have call successors, (3), 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 07:44:44,798 INFO L276 IsEmpty]: Start isEmpty. Operand 2049 states and 3054 transitions. [2022-03-20 07:44:44,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-20 07:44:44,800 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:44:44,800 INFO L499 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:44:44,800 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-03-20 07:44:44,800 INFO L403 AbstractCegarLoop]: === Iteration 34 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:44:44,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:44:44,801 INFO L85 PathProgramCache]: Analyzing trace with hash -558884997, now seen corresponding path program 1 times [2022-03-20 07:44:44,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:44:44,801 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828547178] [2022-03-20 07:44:44,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:44:44,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:44:44,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:44:44,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:44:44,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:44:44,911 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-03-20 07:44:44,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:44:44,911 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828547178] [2022-03-20 07:44:44,911 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1828547178] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:44:44,911 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:44:44,911 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:44:44,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936199048] [2022-03-20 07:44:44,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:44:44,911 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:44:44,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:44:44,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:44:44,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:44:44,912 INFO L87 Difference]: Start difference. First operand 2049 states and 3054 transitions. Second operand has 5 states, 5 states have (on average 26.6) internal successors, (133), 4 states have internal predecessors, (133), 1 states have call successors, (3), 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 07:44:46,033 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:44:48,049 WARN L534 Checker$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 07:44:50,318 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:44:50,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:44:50,773 INFO L93 Difference]: Finished difference Result 2372 states and 3518 transitions. [2022-03-20 07:44:50,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:44:50,773 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.6) internal successors, (133), 4 states have internal predecessors, (133), 1 states have call successors, (3), 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 163 [2022-03-20 07:44:50,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:44:50,778 INFO L225 Difference]: With dead ends: 2372 [2022-03-20 07:44:50,778 INFO L226 Difference]: Without dead ends: 2372 [2022-03-20 07:44:50,778 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 07:44:50,779 INFO L913 BasicCegarLoop]: 265 mSDtfsCounter, 68 mSDsluCounter, 377 mSDsCounter, 0 mSdLazyCounter, 578 mSolverCounterSat, 5 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 642 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 578 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-03-20 07:44:50,779 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [68 Valid, 642 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 578 Invalid, 2 Unknown, 0 Unchecked, 5.8s Time] [2022-03-20 07:44:50,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2372 states. [2022-03-20 07:44:50,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2372 to 2197. [2022-03-20 07:44:50,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2197 states, 2192 states have (on average 1.4972627737226278) internal successors, (3282), 2192 states have internal predecessors, (3282), 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 07:44:50,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2197 states to 2197 states and 3286 transitions. [2022-03-20 07:44:50,796 INFO L78 Accepts]: Start accepts. Automaton has 2197 states and 3286 transitions. Word has length 163 [2022-03-20 07:44:50,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:44:50,796 INFO L478 AbstractCegarLoop]: Abstraction has 2197 states and 3286 transitions. [2022-03-20 07:44:50,796 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.6) internal successors, (133), 4 states have internal predecessors, (133), 1 states have call successors, (3), 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 07:44:50,796 INFO L276 IsEmpty]: Start isEmpty. Operand 2197 states and 3286 transitions. [2022-03-20 07:44:50,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2022-03-20 07:44:50,799 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:44:50,799 INFO L499 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:44:50,799 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-03-20 07:44:50,799 INFO L403 AbstractCegarLoop]: === Iteration 35 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:44:50,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:44:50,799 INFO L85 PathProgramCache]: Analyzing trace with hash 1368588268, now seen corresponding path program 1 times [2022-03-20 07:44:50,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:44:50,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420449239] [2022-03-20 07:44:50,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:44:50,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:44:50,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:44:50,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:44:50,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:44:50,889 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-03-20 07:44:50,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:44:50,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420449239] [2022-03-20 07:44:50,889 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1420449239] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:44:50,889 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:44:50,889 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:44:50,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058881028] [2022-03-20 07:44:50,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:44:50,890 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:44:50,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:44:50,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:44:50,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:44:50,890 INFO L87 Difference]: Start difference. First operand 2197 states and 3286 transitions. Second operand has 5 states, 5 states have (on average 26.8) internal successors, (134), 4 states have internal predecessors, (134), 1 states have call successors, (3), 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 07:44:52,020 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:44:54,036 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:44:55,942 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:44:56,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:44:56,359 INFO L93 Difference]: Finished difference Result 2524 states and 3720 transitions. [2022-03-20 07:44:56,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:44:56,359 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.8) internal successors, (134), 4 states have internal predecessors, (134), 1 states have call successors, (3), 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 164 [2022-03-20 07:44:56,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:44:56,364 INFO L225 Difference]: With dead ends: 2524 [2022-03-20 07:44:56,364 INFO L226 Difference]: Without dead ends: 2524 [2022-03-20 07:44:56,365 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 07:44:56,365 INFO L913 BasicCegarLoop]: 129 mSDtfsCounter, 110 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 461 mSolverCounterSat, 56 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 518 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 461 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-03-20 07:44:56,365 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [110 Valid, 366 Invalid, 518 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 461 Invalid, 1 Unknown, 0 Unchecked, 5.5s Time] [2022-03-20 07:44:56,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2524 states. [2022-03-20 07:44:56,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2524 to 2197. [2022-03-20 07:44:56,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2197 states, 2192 states have (on average 1.4927007299270072) internal successors, (3272), 2192 states have internal predecessors, (3272), 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 07:44:56,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2197 states to 2197 states and 3276 transitions. [2022-03-20 07:44:56,383 INFO L78 Accepts]: Start accepts. Automaton has 2197 states and 3276 transitions. Word has length 164 [2022-03-20 07:44:56,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:44:56,384 INFO L478 AbstractCegarLoop]: Abstraction has 2197 states and 3276 transitions. [2022-03-20 07:44:56,384 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.8) internal successors, (134), 4 states have internal predecessors, (134), 1 states have call successors, (3), 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 07:44:56,384 INFO L276 IsEmpty]: Start isEmpty. Operand 2197 states and 3276 transitions. [2022-03-20 07:44:56,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-20 07:44:56,387 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:44:56,387 INFO L499 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:44:56,387 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-03-20 07:44:56,387 INFO L403 AbstractCegarLoop]: === Iteration 36 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:44:56,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:44:56,388 INFO L85 PathProgramCache]: Analyzing trace with hash 45595843, now seen corresponding path program 1 times [2022-03-20 07:44:56,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:44:56,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160592071] [2022-03-20 07:44:56,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:44:56,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:44:56,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:44:56,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:44:56,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:44:56,507 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2022-03-20 07:44:56,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:44:56,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160592071] [2022-03-20 07:44:56,507 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160592071] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:44:56,507 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:44:56,507 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 07:44:56,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690786193] [2022-03-20 07:44:56,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:44:56,508 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 07:44:56,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:44:56,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 07:44:56,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 07:44:56,508 INFO L87 Difference]: Start difference. First operand 2197 states and 3276 transitions. Second operand has 4 states, 4 states have (on average 26.75) internal successors, (107), 3 states have internal predecessors, (107), 1 states have call successors, (3), 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 07:44:57,616 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:44:59,633 WARN L534 Checker$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 07:45:00,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:45:00,410 INFO L93 Difference]: Finished difference Result 2627 states and 3920 transitions. [2022-03-20 07:45:00,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 07:45:00,410 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.75) internal successors, (107), 3 states have internal predecessors, (107), 1 states have call successors, (3), 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 172 [2022-03-20 07:45:00,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:45:00,417 INFO L225 Difference]: With dead ends: 2627 [2022-03-20 07:45:00,417 INFO L226 Difference]: Without dead ends: 2627 [2022-03-20 07:45:00,417 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 07:45:00,417 INFO L913 BasicCegarLoop]: 382 mSDtfsCounter, 140 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 420 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 576 SdHoareTripleChecker+Invalid, 429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 420 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-03-20 07:45:00,417 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [140 Valid, 576 Invalid, 429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 420 Invalid, 1 Unknown, 0 Unchecked, 3.9s Time] [2022-03-20 07:45:00,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2627 states. [2022-03-20 07:45:00,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2627 to 2627. [2022-03-20 07:45:00,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2627 states, 2622 states have (on average 1.4935163996948895) internal successors, (3916), 2622 states have internal predecessors, (3916), 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 07:45:00,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2627 states to 2627 states and 3920 transitions. [2022-03-20 07:45:00,439 INFO L78 Accepts]: Start accepts. Automaton has 2627 states and 3920 transitions. Word has length 172 [2022-03-20 07:45:00,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:45:00,440 INFO L478 AbstractCegarLoop]: Abstraction has 2627 states and 3920 transitions. [2022-03-20 07:45:00,440 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.75) internal successors, (107), 3 states have internal predecessors, (107), 1 states have call successors, (3), 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 07:45:00,440 INFO L276 IsEmpty]: Start isEmpty. Operand 2627 states and 3920 transitions. [2022-03-20 07:45:00,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-20 07:45:00,443 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:45:00,443 INFO L499 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:45:00,443 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-03-20 07:45:00,443 INFO L403 AbstractCegarLoop]: === Iteration 37 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:45:00,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:45:00,445 INFO L85 PathProgramCache]: Analyzing trace with hash 169669090, now seen corresponding path program 1 times [2022-03-20 07:45:00,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:45:00,445 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358144694] [2022-03-20 07:45:00,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:45:00,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:45:00,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:45:00,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:45:00,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:45:00,568 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-03-20 07:45:00,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:45:00,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358144694] [2022-03-20 07:45:00,569 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358144694] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:45:00,569 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:45:00,569 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 07:45:00,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4956492] [2022-03-20 07:45:00,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:45:00,570 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 07:45:00,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:45:00,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 07:45:00,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 07:45:00,571 INFO L87 Difference]: Start difference. First operand 2627 states and 3920 transitions. Second operand has 4 states, 4 states have (on average 35.5) internal successors, (142), 3 states have internal predecessors, (142), 1 states have call successors, (3), 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 07:45:03,505 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:45:05,529 WARN L534 Checker$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 07:45:05,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:45:05,955 INFO L93 Difference]: Finished difference Result 3027 states and 4516 transitions. [2022-03-20 07:45:05,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 07:45:05,955 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.5) internal successors, (142), 3 states have internal predecessors, (142), 1 states have call successors, (3), 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 172 [2022-03-20 07:45:05,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:45:05,962 INFO L225 Difference]: With dead ends: 3027 [2022-03-20 07:45:05,962 INFO L226 Difference]: Without dead ends: 3027 [2022-03-20 07:45:05,962 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 07:45:05,962 INFO L913 BasicCegarLoop]: 380 mSDtfsCounter, 139 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 421 mSolverCounterSat, 9 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 574 SdHoareTripleChecker+Invalid, 432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 421 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-03-20 07:45:05,962 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [139 Valid, 574 Invalid, 432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 421 Invalid, 2 Unknown, 0 Unchecked, 5.4s Time] [2022-03-20 07:45:05,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3027 states. [2022-03-20 07:45:05,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3027 to 3027. [2022-03-20 07:45:05,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3027 states, 3022 states have (on average 1.4930509596293846) internal successors, (4512), 3022 states have internal predecessors, (4512), 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 07:45:05,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3027 states to 3027 states and 4516 transitions. [2022-03-20 07:45:05,985 INFO L78 Accepts]: Start accepts. Automaton has 3027 states and 4516 transitions. Word has length 172 [2022-03-20 07:45:05,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:45:05,985 INFO L478 AbstractCegarLoop]: Abstraction has 3027 states and 4516 transitions. [2022-03-20 07:45:05,985 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.5) internal successors, (142), 3 states have internal predecessors, (142), 1 states have call successors, (3), 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 07:45:05,985 INFO L276 IsEmpty]: Start isEmpty. Operand 3027 states and 4516 transitions. [2022-03-20 07:45:05,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2022-03-20 07:45:05,988 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:45:05,988 INFO L499 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:45:05,988 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-03-20 07:45:05,988 INFO L403 AbstractCegarLoop]: === Iteration 38 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:45:05,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:45:05,989 INFO L85 PathProgramCache]: Analyzing trace with hash -157505020, now seen corresponding path program 1 times [2022-03-20 07:45:05,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:45:05,989 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818104969] [2022-03-20 07:45:05,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:45:05,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:45:06,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:45:06,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:45:06,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:45:06,092 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 260 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2022-03-20 07:45:06,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:45:06,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818104969] [2022-03-20 07:45:06,093 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818104969] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:45:06,093 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:45:06,093 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:45:06,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315937133] [2022-03-20 07:45:06,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:45:06,093 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:45:06,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:45:06,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:45:06,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:45:06,094 INFO L87 Difference]: Start difference. First operand 3027 states and 4516 transitions. Second operand has 5 states, 5 states have (on average 27.8) internal successors, (139), 4 states have internal predecessors, (139), 1 states have call successors, (3), 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 07:45:07,779 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:45:09,802 WARN L534 Checker$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 07:45:11,831 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:45:13,133 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:45:13,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:45:13,556 INFO L93 Difference]: Finished difference Result 3745 states and 5532 transitions. [2022-03-20 07:45:13,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:45:13,557 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.8) internal successors, (139), 4 states have internal predecessors, (139), 1 states have call successors, (3), 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 210 [2022-03-20 07:45:13,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:45:13,565 INFO L225 Difference]: With dead ends: 3745 [2022-03-20 07:45:13,565 INFO L226 Difference]: Without dead ends: 3745 [2022-03-20 07:45:13,565 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 07:45:13,566 INFO L913 BasicCegarLoop]: 130 mSDtfsCounter, 110 mSDsluCounter, 238 mSDsCounter, 0 mSdLazyCounter, 459 mSolverCounterSat, 52 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 368 SdHoareTripleChecker+Invalid, 513 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 459 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2022-03-20 07:45:13,566 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [110 Valid, 368 Invalid, 513 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 459 Invalid, 2 Unknown, 0 Unchecked, 7.4s Time] [2022-03-20 07:45:13,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3745 states. [2022-03-20 07:45:13,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3745 to 3064. [2022-03-20 07:45:13,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3064 states, 3059 states have (on average 1.491663942464858) internal successors, (4563), 3059 states have internal predecessors, (4563), 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 07:45:13,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3064 states to 3064 states and 4567 transitions. [2022-03-20 07:45:13,587 INFO L78 Accepts]: Start accepts. Automaton has 3064 states and 4567 transitions. Word has length 210 [2022-03-20 07:45:13,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:45:13,587 INFO L478 AbstractCegarLoop]: Abstraction has 3064 states and 4567 transitions. [2022-03-20 07:45:13,587 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.8) internal successors, (139), 4 states have internal predecessors, (139), 1 states have call successors, (3), 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 07:45:13,587 INFO L276 IsEmpty]: Start isEmpty. Operand 3064 states and 4567 transitions. [2022-03-20 07:45:13,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-03-20 07:45:13,590 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:45:13,590 INFO L499 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:45:13,590 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-03-20 07:45:13,590 INFO L403 AbstractCegarLoop]: === Iteration 39 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:45:13,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:45:13,591 INFO L85 PathProgramCache]: Analyzing trace with hash 918566897, now seen corresponding path program 1 times [2022-03-20 07:45:13,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:45:13,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270472332] [2022-03-20 07:45:13,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:45:13,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:45:13,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:45:13,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:45:13,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:45:13,705 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 262 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2022-03-20 07:45:13,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:45:13,705 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270472332] [2022-03-20 07:45:13,705 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1270472332] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:45:13,705 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:45:13,705 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:45:13,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199098295] [2022-03-20 07:45:13,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:45:13,705 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:45:13,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:45:13,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:45:13,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:45:13,706 INFO L87 Difference]: Start difference. First operand 3064 states and 4567 transitions. Second operand has 5 states, 5 states have (on average 29.6) internal successors, (148), 4 states have internal predecessors, (148), 1 states have call successors, (3), 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 07:45:15,324 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:45:16,520 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:45:17,604 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:45:17,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:45:17,995 INFO L93 Difference]: Finished difference Result 3756 states and 5536 transitions. [2022-03-20 07:45:17,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:45:17,998 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.6) internal successors, (148), 4 states have internal predecessors, (148), 1 states have call successors, (3), 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 219 [2022-03-20 07:45:17,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:45:18,003 INFO L225 Difference]: With dead ends: 3756 [2022-03-20 07:45:18,003 INFO L226 Difference]: Without dead ends: 3756 [2022-03-20 07:45:18,003 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 07:45:18,004 INFO L913 BasicCegarLoop]: 130 mSDtfsCounter, 104 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 464 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 369 SdHoareTripleChecker+Invalid, 518 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-03-20 07:45:18,004 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [104 Valid, 369 Invalid, 518 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 464 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-03-20 07:45:18,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3756 states. [2022-03-20 07:45:18,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3756 to 3325. [2022-03-20 07:45:18,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3325 states, 3320 states have (on average 1.4951807228915663) internal successors, (4964), 3320 states have internal predecessors, (4964), 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 07:45:18,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3325 states to 3325 states and 4968 transitions. [2022-03-20 07:45:18,028 INFO L78 Accepts]: Start accepts. Automaton has 3325 states and 4968 transitions. Word has length 219 [2022-03-20 07:45:18,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:45:18,028 INFO L478 AbstractCegarLoop]: Abstraction has 3325 states and 4968 transitions. [2022-03-20 07:45:18,028 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.6) internal successors, (148), 4 states have internal predecessors, (148), 1 states have call successors, (3), 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 07:45:18,028 INFO L276 IsEmpty]: Start isEmpty. Operand 3325 states and 4968 transitions. [2022-03-20 07:45:18,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2022-03-20 07:45:18,031 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:45:18,031 INFO L499 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:45:18,031 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-03-20 07:45:18,031 INFO L403 AbstractCegarLoop]: === Iteration 40 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:45:18,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:45:18,032 INFO L85 PathProgramCache]: Analyzing trace with hash 665229166, now seen corresponding path program 1 times [2022-03-20 07:45:18,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:45:18,032 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040151533] [2022-03-20 07:45:18,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:45:18,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:45:18,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:45:18,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:45:18,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:45:18,164 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 262 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2022-03-20 07:45:18,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:45:18,164 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040151533] [2022-03-20 07:45:18,164 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040151533] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:45:18,164 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:45:18,164 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:45:18,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966380954] [2022-03-20 07:45:18,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:45:18,165 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:45:18,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:45:18,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:45:18,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:45:18,165 INFO L87 Difference]: Start difference. First operand 3325 states and 4968 transitions. Second operand has 5 states, 5 states have (on average 29.8) internal successors, (149), 4 states have internal predecessors, (149), 1 states have call successors, (3), 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 07:45:20,009 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:45:21,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:45:21,603 INFO L93 Difference]: Finished difference Result 3771 states and 5562 transitions. [2022-03-20 07:45:21,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:45:21,603 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.8) internal successors, (149), 4 states have internal predecessors, (149), 1 states have call successors, (3), 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 220 [2022-03-20 07:45:21,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:45:21,607 INFO L225 Difference]: With dead ends: 3771 [2022-03-20 07:45:21,607 INFO L226 Difference]: Without dead ends: 3757 [2022-03-20 07:45:21,607 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 07:45:21,608 INFO L913 BasicCegarLoop]: 140 mSDtfsCounter, 105 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 473 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 388 SdHoareTripleChecker+Invalid, 525 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-03-20 07:45:21,608 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [105 Valid, 388 Invalid, 525 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 473 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-03-20 07:45:21,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3757 states. [2022-03-20 07:45:21,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3757 to 3336. [2022-03-20 07:45:21,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3336 states, 3331 states have (on average 1.495046532572801) internal successors, (4980), 3331 states have internal predecessors, (4980), 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 07:45:21,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3336 states to 3336 states and 4984 transitions. [2022-03-20 07:45:21,630 INFO L78 Accepts]: Start accepts. Automaton has 3336 states and 4984 transitions. Word has length 220 [2022-03-20 07:45:21,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:45:21,631 INFO L478 AbstractCegarLoop]: Abstraction has 3336 states and 4984 transitions. [2022-03-20 07:45:21,631 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.8) internal successors, (149), 4 states have internal predecessors, (149), 1 states have call successors, (3), 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 07:45:21,631 INFO L276 IsEmpty]: Start isEmpty. Operand 3336 states and 4984 transitions. [2022-03-20 07:45:21,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2022-03-20 07:45:21,634 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:45:21,634 INFO L499 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 4, 4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:45:21,634 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-03-20 07:45:21,634 INFO L403 AbstractCegarLoop]: === Iteration 41 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:45:21,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:45:21,634 INFO L85 PathProgramCache]: Analyzing trace with hash -1032687453, now seen corresponding path program 1 times [2022-03-20 07:45:21,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:45:21,634 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061519214] [2022-03-20 07:45:21,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:45:21,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:45:21,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:45:21,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:45:21,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:45:21,742 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 346 proven. 0 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2022-03-20 07:45:21,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:45:21,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061519214] [2022-03-20 07:45:21,743 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2061519214] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:45:21,743 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:45:21,743 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:45:21,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536942195] [2022-03-20 07:45:21,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:45:21,743 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:45:21,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:45:21,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:45:21,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:45:21,744 INFO L87 Difference]: Start difference. First operand 3336 states and 4984 transitions. Second operand has 5 states, 5 states have (on average 27.0) internal successors, (135), 4 states have internal predecessors, (135), 1 states have call successors, (3), 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 07:45:23,258 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:45:25,247 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:45:27,273 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:45:28,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:45:28,004 INFO L93 Difference]: Finished difference Result 4051 states and 5950 transitions. [2022-03-20 07:45:28,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:45:28,004 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.0) internal successors, (135), 4 states have internal predecessors, (135), 1 states have call successors, (3), 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 232 [2022-03-20 07:45:28,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:45:28,009 INFO L225 Difference]: With dead ends: 4051 [2022-03-20 07:45:28,009 INFO L226 Difference]: Without dead ends: 4051 [2022-03-20 07:45:28,009 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 07:45:28,010 INFO L913 BasicCegarLoop]: 141 mSDtfsCounter, 116 mSDsluCounter, 249 mSDsCounter, 0 mSdLazyCounter, 473 mSolverCounterSat, 47 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 521 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 473 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2022-03-20 07:45:28,010 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [116 Valid, 390 Invalid, 521 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 473 Invalid, 1 Unknown, 0 Unchecked, 6.2s Time] [2022-03-20 07:45:28,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4051 states. [2022-03-20 07:45:28,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4051 to 3546. [2022-03-20 07:45:28,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3546 states, 3541 states have (on average 1.4860208980513978) internal successors, (5262), 3541 states have internal predecessors, (5262), 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 07:45:28,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3546 states to 3546 states and 5266 transitions. [2022-03-20 07:45:28,035 INFO L78 Accepts]: Start accepts. Automaton has 3546 states and 5266 transitions. Word has length 232 [2022-03-20 07:45:28,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:45:28,036 INFO L478 AbstractCegarLoop]: Abstraction has 3546 states and 5266 transitions. [2022-03-20 07:45:28,036 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.0) internal successors, (135), 4 states have internal predecessors, (135), 1 states have call successors, (3), 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 07:45:28,036 INFO L276 IsEmpty]: Start isEmpty. Operand 3546 states and 5266 transitions. [2022-03-20 07:45:28,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2022-03-20 07:45:28,039 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:45:28,039 INFO L499 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 4, 4, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:45:28,039 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-03-20 07:45:28,039 INFO L403 AbstractCegarLoop]: === Iteration 42 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:45:28,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:45:28,039 INFO L85 PathProgramCache]: Analyzing trace with hash -1456164143, now seen corresponding path program 1 times [2022-03-20 07:45:28,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:45:28,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675272326] [2022-03-20 07:45:28,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:45:28,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:45:28,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:45:28,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:45:28,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:45:28,148 INFO L134 CoverageAnalysis]: Checked inductivity of 509 backedges. 341 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2022-03-20 07:45:28,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:45:28,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675272326] [2022-03-20 07:45:28,149 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [675272326] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:45:28,149 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:45:28,149 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:45:28,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412240548] [2022-03-20 07:45:28,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:45:28,149 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:45:28,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:45:28,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:45:28,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:45:28,150 INFO L87 Difference]: Start difference. First operand 3546 states and 5266 transitions. Second operand has 5 states, 5 states have (on average 26.8) internal successors, (134), 4 states have internal predecessors, (134), 1 states have call successors, (3), 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 07:45:29,360 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:45:31,378 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:45:33,605 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:45:33,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:45:33,993 INFO L93 Difference]: Finished difference Result 3700 states and 5472 transitions. [2022-03-20 07:45:33,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:45:33,993 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.8) internal successors, (134), 4 states have internal predecessors, (134), 1 states have call successors, (3), 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 233 [2022-03-20 07:45:33,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:45:33,998 INFO L225 Difference]: With dead ends: 3700 [2022-03-20 07:45:33,998 INFO L226 Difference]: Without dead ends: 3700 [2022-03-20 07:45:33,998 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 07:45:33,998 INFO L913 BasicCegarLoop]: 244 mSDtfsCounter, 41 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 483 mSolverCounterSat, 5 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 602 SdHoareTripleChecker+Invalid, 490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 483 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-03-20 07:45:33,999 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [41 Valid, 602 Invalid, 490 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 483 Invalid, 2 Unknown, 0 Unchecked, 5.8s Time] [2022-03-20 07:45:34,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3700 states. [2022-03-20 07:45:34,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3700 to 3546. [2022-03-20 07:45:34,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3546 states, 3541 states have (on average 1.4840440553515957) internal successors, (5255), 3541 states have internal predecessors, (5255), 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 07:45:34,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3546 states to 3546 states and 5259 transitions. [2022-03-20 07:45:34,057 INFO L78 Accepts]: Start accepts. Automaton has 3546 states and 5259 transitions. Word has length 233 [2022-03-20 07:45:34,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:45:34,057 INFO L478 AbstractCegarLoop]: Abstraction has 3546 states and 5259 transitions. [2022-03-20 07:45:34,058 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.8) internal successors, (134), 4 states have internal predecessors, (134), 1 states have call successors, (3), 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 07:45:34,058 INFO L276 IsEmpty]: Start isEmpty. Operand 3546 states and 5259 transitions. [2022-03-20 07:45:34,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2022-03-20 07:45:34,062 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:45:34,062 INFO L499 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:45:34,062 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-03-20 07:45:34,062 INFO L403 AbstractCegarLoop]: === Iteration 43 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:45:34,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:45:34,062 INFO L85 PathProgramCache]: Analyzing trace with hash 1695521844, now seen corresponding path program 1 times [2022-03-20 07:45:34,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:45:34,063 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108817893] [2022-03-20 07:45:34,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:45:34,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:45:34,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:45:34,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:45:34,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:45:34,206 INFO L134 CoverageAnalysis]: Checked inductivity of 509 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2022-03-20 07:45:34,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:45:34,207 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108817893] [2022-03-20 07:45:34,207 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108817893] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:45:34,207 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:45:34,207 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:45:34,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308163923] [2022-03-20 07:45:34,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:45:34,208 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:45:34,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:45:34,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:45:34,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:45:34,209 INFO L87 Difference]: Start difference. First operand 3546 states and 5259 transitions. Second operand has 5 states, 5 states have (on average 24.0) internal successors, (120), 4 states have internal predecessors, (120), 1 states have call successors, (3), 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 07:45:35,281 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:45:37,296 WARN L534 Checker$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 07:45:39,098 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:45:39,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:45:39,501 INFO L93 Difference]: Finished difference Result 4001 states and 5885 transitions. [2022-03-20 07:45:39,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:45:39,501 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.0) internal successors, (120), 4 states have internal predecessors, (120), 1 states have call successors, (3), 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 236 [2022-03-20 07:45:39,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:45:39,506 INFO L225 Difference]: With dead ends: 4001 [2022-03-20 07:45:39,506 INFO L226 Difference]: Without dead ends: 4001 [2022-03-20 07:45:39,506 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 07:45:39,506 INFO L913 BasicCegarLoop]: 252 mSDtfsCounter, 56 mSDsluCounter, 365 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 617 SdHoareTripleChecker+Invalid, 530 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 523 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-03-20 07:45:39,506 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [56 Valid, 617 Invalid, 530 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 523 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2022-03-20 07:45:39,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4001 states. [2022-03-20 07:45:39,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4001 to 3714. [2022-03-20 07:45:39,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3714 states, 3709 states have (on average 1.4828794823402534) internal successors, (5500), 3709 states have internal predecessors, (5500), 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 07:45:39,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3714 states to 3714 states and 5504 transitions. [2022-03-20 07:45:39,534 INFO L78 Accepts]: Start accepts. Automaton has 3714 states and 5504 transitions. Word has length 236 [2022-03-20 07:45:39,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:45:39,535 INFO L478 AbstractCegarLoop]: Abstraction has 3714 states and 5504 transitions. [2022-03-20 07:45:39,535 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.0) internal successors, (120), 4 states have internal predecessors, (120), 1 states have call successors, (3), 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 07:45:39,535 INFO L276 IsEmpty]: Start isEmpty. Operand 3714 states and 5504 transitions. [2022-03-20 07:45:39,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2022-03-20 07:45:39,539 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:45:39,540 INFO L499 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 7, 7, 5, 5, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:45:39,540 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-03-20 07:45:39,540 INFO L403 AbstractCegarLoop]: === Iteration 44 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:45:39,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:45:39,540 INFO L85 PathProgramCache]: Analyzing trace with hash 1497180434, now seen corresponding path program 1 times [2022-03-20 07:45:39,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:45:39,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547826809] [2022-03-20 07:45:39,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:45:39,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:45:39,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:45:39,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:45:39,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:45:39,697 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 489 trivial. 0 not checked. [2022-03-20 07:45:39,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:45:39,697 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547826809] [2022-03-20 07:45:39,697 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1547826809] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:45:39,697 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:45:39,697 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:45:39,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846979823] [2022-03-20 07:45:39,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:45:39,697 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:45:39,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:45:39,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:45:39,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:45:39,698 INFO L87 Difference]: Start difference. First operand 3714 states and 5504 transitions. Second operand has 5 states, 5 states have (on average 24.4) internal successors, (122), 4 states have internal predecessors, (122), 1 states have call successors, (3), 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 07:45:42,664 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 07:45:44,866 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:45:45,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:45:45,224 INFO L93 Difference]: Finished difference Result 3994 states and 5892 transitions. [2022-03-20 07:45:45,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:45:45,225 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.4) internal successors, (122), 4 states have internal predecessors, (122), 1 states have call successors, (3), 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 258 [2022-03-20 07:45:45,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:45:45,238 INFO L225 Difference]: With dead ends: 3994 [2022-03-20 07:45:45,238 INFO L226 Difference]: Without dead ends: 3994 [2022-03-20 07:45:45,238 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 07:45:45,239 INFO L913 BasicCegarLoop]: 238 mSDtfsCounter, 30 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 441 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 589 SdHoareTripleChecker+Invalid, 447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 441 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-03-20 07:45:45,239 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [30 Valid, 589 Invalid, 447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 441 Invalid, 1 Unknown, 0 Unchecked, 5.5s Time] [2022-03-20 07:45:45,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3994 states. [2022-03-20 07:45:45,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3994 to 3896. [2022-03-20 07:45:45,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3896 states, 3891 states have (on average 1.4818812644564379) internal successors, (5766), 3891 states have internal predecessors, (5766), 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 07:45:45,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3896 states to 3896 states and 5770 transitions. [2022-03-20 07:45:45,309 INFO L78 Accepts]: Start accepts. Automaton has 3896 states and 5770 transitions. Word has length 258 [2022-03-20 07:45:45,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:45:45,310 INFO L478 AbstractCegarLoop]: Abstraction has 3896 states and 5770 transitions. [2022-03-20 07:45:45,310 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.4) internal successors, (122), 4 states have internal predecessors, (122), 1 states have call successors, (3), 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 07:45:45,310 INFO L276 IsEmpty]: Start isEmpty. Operand 3896 states and 5770 transitions. [2022-03-20 07:45:45,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2022-03-20 07:45:45,314 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:45:45,314 INFO L499 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:45:45,315 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-03-20 07:45:45,331 INFO L403 AbstractCegarLoop]: === Iteration 45 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:45:45,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:45:45,331 INFO L85 PathProgramCache]: Analyzing trace with hash -1888058611, now seen corresponding path program 1 times [2022-03-20 07:45:45,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:45:45,332 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522086227] [2022-03-20 07:45:45,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:45:45,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:45:45,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:45:45,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:45:45,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:45:45,508 INFO L134 CoverageAnalysis]: Checked inductivity of 664 backedges. 301 proven. 0 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2022-03-20 07:45:45,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:45:45,508 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522086227] [2022-03-20 07:45:45,508 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522086227] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:45:45,508 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:45:45,508 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:45:45,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241451181] [2022-03-20 07:45:45,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:45:45,508 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:45:45,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:45:45,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:45:45,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:45:45,509 INFO L87 Difference]: Start difference. First operand 3896 states and 5770 transitions. Second operand has 5 states, 5 states have (on average 29.4) internal successors, (147), 4 states have internal predecessors, (147), 1 states have call successors, (3), 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 07:45:48,271 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:45:50,290 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 07:45:50,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:45:50,692 INFO L93 Difference]: Finished difference Result 4183 states and 6144 transitions. [2022-03-20 07:45:50,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:45:50,692 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.4) internal successors, (147), 4 states have internal predecessors, (147), 1 states have call successors, (3), 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 263 [2022-03-20 07:45:50,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:45:50,696 INFO L225 Difference]: With dead ends: 4183 [2022-03-20 07:45:50,696 INFO L226 Difference]: Without dead ends: 4183 [2022-03-20 07:45:50,696 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 07:45:50,697 INFO L913 BasicCegarLoop]: 251 mSDtfsCounter, 58 mSDsluCounter, 364 mSDsCounter, 0 mSdLazyCounter, 522 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 615 SdHoareTripleChecker+Invalid, 529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 522 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2022-03-20 07:45:50,697 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [58 Valid, 615 Invalid, 529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 522 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2022-03-20 07:45:50,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4183 states. [2022-03-20 07:45:50,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4183 to 3910. [2022-03-20 07:45:50,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3910 states, 3905 states have (on average 1.4819462227912932) internal successors, (5787), 3905 states have internal predecessors, (5787), 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 07:45:50,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3910 states to 3910 states and 5791 transitions. [2022-03-20 07:45:50,725 INFO L78 Accepts]: Start accepts. Automaton has 3910 states and 5791 transitions. Word has length 263 [2022-03-20 07:45:50,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:45:50,725 INFO L478 AbstractCegarLoop]: Abstraction has 3910 states and 5791 transitions. [2022-03-20 07:45:50,725 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.4) internal successors, (147), 4 states have internal predecessors, (147), 1 states have call successors, (3), 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 07:45:50,725 INFO L276 IsEmpty]: Start isEmpty. Operand 3910 states and 5791 transitions. [2022-03-20 07:45:50,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2022-03-20 07:45:50,729 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:45:50,729 INFO L499 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:45:50,730 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-03-20 07:45:50,730 INFO L403 AbstractCegarLoop]: === Iteration 46 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:45:50,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:45:50,730 INFO L85 PathProgramCache]: Analyzing trace with hash 1240212366, now seen corresponding path program 1 times [2022-03-20 07:45:50,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:45:50,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467448824] [2022-03-20 07:45:50,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:45:50,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:45:50,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:45:50,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:45:50,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:45:50,853 INFO L134 CoverageAnalysis]: Checked inductivity of 664 backedges. 301 proven. 0 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2022-03-20 07:45:50,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:45:50,853 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467448824] [2022-03-20 07:45:50,853 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467448824] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:45:50,853 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:45:50,853 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:45:50,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128816093] [2022-03-20 07:45:50,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:45:50,853 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:45:50,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:45:50,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:45:50,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:45:50,854 INFO L87 Difference]: Start difference. First operand 3910 states and 5791 transitions. Second operand has 5 states, 5 states have (on average 29.4) internal successors, (147), 4 states have internal predecessors, (147), 1 states have call successors, (3), 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 07:45:52,419 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:45:54,378 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:45:56,396 WARN L534 Checker$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 07:45:56,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:45:56,818 INFO L93 Difference]: Finished difference Result 4331 states and 6288 transitions. [2022-03-20 07:45:56,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:45:56,818 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.4) internal successors, (147), 4 states have internal predecessors, (147), 1 states have call successors, (3), 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 263 [2022-03-20 07:45:56,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:45:56,822 INFO L225 Difference]: With dead ends: 4331 [2022-03-20 07:45:56,822 INFO L226 Difference]: Without dead ends: 4331 [2022-03-20 07:45:56,822 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 07:45:56,822 INFO L913 BasicCegarLoop]: 143 mSDtfsCounter, 120 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 473 mSolverCounterSat, 51 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 525 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 473 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2022-03-20 07:45:56,822 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [120 Valid, 394 Invalid, 525 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 473 Invalid, 1 Unknown, 0 Unchecked, 5.9s Time] [2022-03-20 07:45:56,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4331 states. [2022-03-20 07:45:56,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4331 to 3896. [2022-03-20 07:45:56,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3896 states, 3891 states have (on average 1.4662040606527884) internal successors, (5705), 3891 states have internal predecessors, (5705), 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 07:45:56,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3896 states to 3896 states and 5709 transitions. [2022-03-20 07:45:56,870 INFO L78 Accepts]: Start accepts. Automaton has 3896 states and 5709 transitions. Word has length 263 [2022-03-20 07:45:56,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:45:56,870 INFO L478 AbstractCegarLoop]: Abstraction has 3896 states and 5709 transitions. [2022-03-20 07:45:56,870 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.4) internal successors, (147), 4 states have internal predecessors, (147), 1 states have call successors, (3), 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 07:45:56,870 INFO L276 IsEmpty]: Start isEmpty. Operand 3896 states and 5709 transitions. [2022-03-20 07:45:56,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2022-03-20 07:45:56,875 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:45:56,875 INFO L499 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 5, 5, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:45:56,875 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-03-20 07:45:56,875 INFO L403 AbstractCegarLoop]: === Iteration 47 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:45:56,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:45:56,876 INFO L85 PathProgramCache]: Analyzing trace with hash -60118933, now seen corresponding path program 1 times [2022-03-20 07:45:56,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:45:56,876 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201691772] [2022-03-20 07:45:56,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:45:56,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:45:56,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:45:57,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:45:57,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:45:57,057 INFO L134 CoverageAnalysis]: Checked inductivity of 676 backedges. 313 proven. 0 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2022-03-20 07:45:57,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:45:57,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201691772] [2022-03-20 07:45:57,058 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201691772] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:45:57,058 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:45:57,058 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:45:57,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327666198] [2022-03-20 07:45:57,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:45:57,058 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:45:57,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:45:57,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:45:57,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:45:57,059 INFO L87 Difference]: Start difference. First operand 3896 states and 5709 transitions. Second operand has 5 states, 5 states have (on average 29.6) internal successors, (148), 4 states have internal predecessors, (148), 1 states have call successors, (3), 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 07:46:00,072 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:46:02,095 WARN L534 Checker$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 07:46:03,169 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:46:03,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:46:03,578 INFO L93 Difference]: Finished difference Result 4169 states and 6062 transitions. [2022-03-20 07:46:03,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:46:03,578 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.6) internal successors, (148), 4 states have internal predecessors, (148), 1 states have call successors, (3), 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 264 [2022-03-20 07:46:03,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:46:03,582 INFO L225 Difference]: With dead ends: 4169 [2022-03-20 07:46:03,582 INFO L226 Difference]: Without dead ends: 4169 [2022-03-20 07:46:03,582 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 07:46:03,587 INFO L913 BasicCegarLoop]: 249 mSDtfsCounter, 51 mSDsluCounter, 362 mSDsCounter, 0 mSdLazyCounter, 515 mSolverCounterSat, 6 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 611 SdHoareTripleChecker+Invalid, 523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 515 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2022-03-20 07:46:03,587 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [51 Valid, 611 Invalid, 523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 515 Invalid, 2 Unknown, 0 Unchecked, 6.5s Time] [2022-03-20 07:46:03,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4169 states. [2022-03-20 07:46:03,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4169 to 3945. [2022-03-20 07:46:03,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3945 states, 3940 states have (on average 1.4639593908629442) internal successors, (5768), 3940 states have internal predecessors, (5768), 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 07:46:03,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3945 states to 3945 states and 5772 transitions. [2022-03-20 07:46:03,631 INFO L78 Accepts]: Start accepts. Automaton has 3945 states and 5772 transitions. Word has length 264 [2022-03-20 07:46:03,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:46:03,631 INFO L478 AbstractCegarLoop]: Abstraction has 3945 states and 5772 transitions. [2022-03-20 07:46:03,631 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.6) internal successors, (148), 4 states have internal predecessors, (148), 1 states have call successors, (3), 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 07:46:03,631 INFO L276 IsEmpty]: Start isEmpty. Operand 3945 states and 5772 transitions. [2022-03-20 07:46:03,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2022-03-20 07:46:03,636 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:46:03,636 INFO L499 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:46:03,636 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-03-20 07:46:03,636 INFO L403 AbstractCegarLoop]: === Iteration 48 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:46:03,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:46:03,636 INFO L85 PathProgramCache]: Analyzing trace with hash 2107997919, now seen corresponding path program 1 times [2022-03-20 07:46:03,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:46:03,649 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672865913] [2022-03-20 07:46:03,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:46:03,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:46:03,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:46:03,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:46:03,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:46:03,810 INFO L134 CoverageAnalysis]: Checked inductivity of 668 backedges. 305 proven. 0 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2022-03-20 07:46:03,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:46:03,810 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672865913] [2022-03-20 07:46:03,810 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672865913] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:46:03,810 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:46:03,810 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:46:03,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641232299] [2022-03-20 07:46:03,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:46:03,811 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:46:03,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:46:03,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:46:03,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:46:03,812 INFO L87 Difference]: Start difference. First operand 3945 states and 5772 transitions. Second operand has 5 states, 5 states have (on average 29.6) internal successors, (148), 4 states have internal predecessors, (148), 1 states have call successors, (3), 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 07:46:06,510 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 07:46:08,000 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:46:09,600 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:46:09,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:46:09,991 INFO L93 Difference]: Finished difference Result 4155 states and 6034 transitions. [2022-03-20 07:46:09,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:46:09,991 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.6) internal successors, (148), 4 states have internal predecessors, (148), 1 states have call successors, (3), 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 264 [2022-03-20 07:46:09,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:46:09,996 INFO L225 Difference]: With dead ends: 4155 [2022-03-20 07:46:09,996 INFO L226 Difference]: Without dead ends: 4155 [2022-03-20 07:46:09,997 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 07:46:09,997 INFO L913 BasicCegarLoop]: 248 mSDtfsCounter, 53 mSDsluCounter, 361 mSDsCounter, 0 mSdLazyCounter, 504 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 609 SdHoareTripleChecker+Invalid, 511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 504 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2022-03-20 07:46:09,997 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [53 Valid, 609 Invalid, 511 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 504 Invalid, 1 Unknown, 0 Unchecked, 6.2s Time] [2022-03-20 07:46:10,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4155 states. [2022-03-20 07:46:10,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4155 to 3945. [2022-03-20 07:46:10,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3945 states, 3940 states have (on average 1.4621827411167512) internal successors, (5761), 3940 states have internal predecessors, (5761), 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 07:46:10,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3945 states to 3945 states and 5765 transitions. [2022-03-20 07:46:10,059 INFO L78 Accepts]: Start accepts. Automaton has 3945 states and 5765 transitions. Word has length 264 [2022-03-20 07:46:10,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:46:10,059 INFO L478 AbstractCegarLoop]: Abstraction has 3945 states and 5765 transitions. [2022-03-20 07:46:10,059 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.6) internal successors, (148), 4 states have internal predecessors, (148), 1 states have call successors, (3), 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 07:46:10,059 INFO L276 IsEmpty]: Start isEmpty. Operand 3945 states and 5765 transitions. [2022-03-20 07:46:10,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2022-03-20 07:46:10,078 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:46:10,078 INFO L499 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 5, 5, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:46:10,078 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-03-20 07:46:10,078 INFO L403 AbstractCegarLoop]: === Iteration 49 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:46:10,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:46:10,078 INFO L85 PathProgramCache]: Analyzing trace with hash -1867966454, now seen corresponding path program 1 times [2022-03-20 07:46:10,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:46:10,079 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928902970] [2022-03-20 07:46:10,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:46:10,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:46:10,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:46:10,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:46:10,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:46:10,229 INFO L134 CoverageAnalysis]: Checked inductivity of 676 backedges. 313 proven. 0 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2022-03-20 07:46:10,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:46:10,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928902970] [2022-03-20 07:46:10,230 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928902970] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:46:10,230 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:46:10,230 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:46:10,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871774483] [2022-03-20 07:46:10,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:46:10,230 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:46:10,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:46:10,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:46:10,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:46:10,231 INFO L87 Difference]: Start difference. First operand 3945 states and 5765 transitions. Second operand has 5 states, 5 states have (on average 29.6) internal successors, (148), 4 states have internal predecessors, (148), 1 states have call successors, (3), 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 07:46:13,226 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:46:15,249 WARN L534 Checker$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 07:46:17,272 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:46:17,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:46:17,685 INFO L93 Difference]: Finished difference Result 4366 states and 6283 transitions. [2022-03-20 07:46:17,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:46:17,685 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.6) internal successors, (148), 4 states have internal predecessors, (148), 1 states have call successors, (3), 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 264 [2022-03-20 07:46:17,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:46:17,689 INFO L225 Difference]: With dead ends: 4366 [2022-03-20 07:46:17,689 INFO L226 Difference]: Without dead ends: 4366 [2022-03-20 07:46:17,689 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 07:46:17,690 INFO L913 BasicCegarLoop]: 131 mSDtfsCounter, 115 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 459 mSolverCounterSat, 54 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 515 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 459 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2022-03-20 07:46:17,690 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [115 Valid, 370 Invalid, 515 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 459 Invalid, 2 Unknown, 0 Unchecked, 7.4s Time] [2022-03-20 07:46:17,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4366 states. [2022-03-20 07:46:17,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4366 to 3917. [2022-03-20 07:46:17,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3917 states, 3912 states have (on average 1.4552658486707566) internal successors, (5693), 3912 states have internal predecessors, (5693), 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 07:46:17,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3917 states to 3917 states and 5697 transitions. [2022-03-20 07:46:17,715 INFO L78 Accepts]: Start accepts. Automaton has 3917 states and 5697 transitions. Word has length 264 [2022-03-20 07:46:17,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:46:17,716 INFO L478 AbstractCegarLoop]: Abstraction has 3917 states and 5697 transitions. [2022-03-20 07:46:17,716 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.6) internal successors, (148), 4 states have internal predecessors, (148), 1 states have call successors, (3), 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 07:46:17,716 INFO L276 IsEmpty]: Start isEmpty. Operand 3917 states and 5697 transitions. [2022-03-20 07:46:17,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2022-03-20 07:46:17,720 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:46:17,720 INFO L499 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:46:17,720 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-03-20 07:46:17,720 INFO L403 AbstractCegarLoop]: === Iteration 50 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:46:17,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:46:17,723 INFO L85 PathProgramCache]: Analyzing trace with hash 300150398, now seen corresponding path program 1 times [2022-03-20 07:46:17,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:46:17,723 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139612031] [2022-03-20 07:46:17,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:46:17,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:46:17,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:46:17,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:46:17,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:46:17,915 INFO L134 CoverageAnalysis]: Checked inductivity of 668 backedges. 305 proven. 0 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2022-03-20 07:46:17,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:46:17,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139612031] [2022-03-20 07:46:17,916 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139612031] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:46:17,916 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:46:17,916 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:46:17,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433938334] [2022-03-20 07:46:17,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:46:17,916 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:46:17,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:46:17,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:46:17,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:46:17,916 INFO L87 Difference]: Start difference. First operand 3917 states and 5697 transitions. Second operand has 5 states, 5 states have (on average 29.6) internal successors, (148), 4 states have internal predecessors, (148), 1 states have call successors, (3), 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 07:46:18,931 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:46:20,806 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:46:23,186 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:46:23,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:46:23,594 INFO L93 Difference]: Finished difference Result 4338 states and 6194 transitions. [2022-03-20 07:46:23,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:46:23,595 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.6) internal successors, (148), 4 states have internal predecessors, (148), 1 states have call successors, (3), 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 264 [2022-03-20 07:46:23,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:46:23,599 INFO L225 Difference]: With dead ends: 4338 [2022-03-20 07:46:23,599 INFO L226 Difference]: Without dead ends: 4338 [2022-03-20 07:46:23,599 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 07:46:23,599 INFO L913 BasicCegarLoop]: 131 mSDtfsCounter, 118 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 461 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 515 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 461 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2022-03-20 07:46:23,599 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [118 Valid, 370 Invalid, 515 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 461 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2022-03-20 07:46:23,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4338 states. [2022-03-20 07:46:23,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4338 to 3896. [2022-03-20 07:46:23,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3896 states, 3891 states have (on average 1.4402467232074017) internal successors, (5604), 3891 states have internal predecessors, (5604), 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 07:46:23,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3896 states to 3896 states and 5608 transitions. [2022-03-20 07:46:23,629 INFO L78 Accepts]: Start accepts. Automaton has 3896 states and 5608 transitions. Word has length 264 [2022-03-20 07:46:23,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:46:23,629 INFO L478 AbstractCegarLoop]: Abstraction has 3896 states and 5608 transitions. [2022-03-20 07:46:23,629 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.6) internal successors, (148), 4 states have internal predecessors, (148), 1 states have call successors, (3), 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 07:46:23,629 INFO L276 IsEmpty]: Start isEmpty. Operand 3896 states and 5608 transitions. [2022-03-20 07:46:23,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2022-03-20 07:46:23,633 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:46:23,633 INFO L499 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 5, 5, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:46:23,633 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-03-20 07:46:23,633 INFO L403 AbstractCegarLoop]: === Iteration 51 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:46:23,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:46:23,634 INFO L85 PathProgramCache]: Analyzing trace with hash -1570176339, now seen corresponding path program 1 times [2022-03-20 07:46:23,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:46:23,634 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187894419] [2022-03-20 07:46:23,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:46:23,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:46:23,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:46:23,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:46:23,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:46:23,790 INFO L134 CoverageAnalysis]: Checked inductivity of 679 backedges. 316 proven. 0 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2022-03-20 07:46:23,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:46:23,790 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187894419] [2022-03-20 07:46:23,790 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [187894419] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:46:23,790 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:46:23,790 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:46:23,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225645215] [2022-03-20 07:46:23,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:46:23,790 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:46:23,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:46:23,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:46:23,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:46:23,791 INFO L87 Difference]: Start difference. First operand 3896 states and 5608 transitions. Second operand has 5 states, 5 states have (on average 30.2) internal successors, (151), 4 states have internal predecessors, (151), 1 states have call successors, (3), 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 07:46:26,532 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:46:28,553 WARN L534 Checker$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 07:46:28,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:46:28,942 INFO L93 Difference]: Finished difference Result 4155 states and 5926 transitions. [2022-03-20 07:46:28,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:46:28,942 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 30.2) internal successors, (151), 4 states have internal predecessors, (151), 1 states have call successors, (3), 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 267 [2022-03-20 07:46:28,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:46:28,946 INFO L225 Difference]: With dead ends: 4155 [2022-03-20 07:46:28,946 INFO L226 Difference]: Without dead ends: 4155 [2022-03-20 07:46:28,946 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 07:46:28,947 INFO L913 BasicCegarLoop]: 247 mSDtfsCounter, 46 mSDsluCounter, 360 mSDsCounter, 0 mSdLazyCounter, 503 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 607 SdHoareTripleChecker+Invalid, 510 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 503 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-03-20 07:46:28,947 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [46 Valid, 607 Invalid, 510 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 503 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2022-03-20 07:46:28,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4155 states. [2022-03-20 07:46:28,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4155 to 3959. [2022-03-20 07:46:28,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3959 states, 3954 states have (on average 1.4350025290844715) internal successors, (5674), 3954 states have internal predecessors, (5674), 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 07:46:28,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3959 states to 3959 states and 5678 transitions. [2022-03-20 07:46:28,974 INFO L78 Accepts]: Start accepts. Automaton has 3959 states and 5678 transitions. Word has length 267 [2022-03-20 07:46:28,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:46:28,975 INFO L478 AbstractCegarLoop]: Abstraction has 3959 states and 5678 transitions. [2022-03-20 07:46:28,975 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 30.2) internal successors, (151), 4 states have internal predecessors, (151), 1 states have call successors, (3), 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 07:46:28,975 INFO L276 IsEmpty]: Start isEmpty. Operand 3959 states and 5678 transitions. [2022-03-20 07:46:28,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2022-03-20 07:46:28,978 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:46:28,978 INFO L499 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 5, 5, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:46:28,978 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2022-03-20 07:46:28,979 INFO L403 AbstractCegarLoop]: === Iteration 52 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:46:28,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:46:28,979 INFO L85 PathProgramCache]: Analyzing trace with hash -265782610, now seen corresponding path program 1 times [2022-03-20 07:46:28,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:46:28,979 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882427312] [2022-03-20 07:46:28,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:46:28,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:46:29,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:46:29,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:46:29,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:46:29,102 INFO L134 CoverageAnalysis]: Checked inductivity of 679 backedges. 316 proven. 0 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2022-03-20 07:46:29,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:46:29,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882427312] [2022-03-20 07:46:29,102 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882427312] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:46:29,102 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:46:29,102 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:46:29,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46430282] [2022-03-20 07:46:29,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:46:29,103 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:46:29,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:46:29,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:46:29,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:46:29,116 INFO L87 Difference]: Start difference. First operand 3959 states and 5678 transitions. Second operand has 5 states, 5 states have (on average 30.2) internal successors, (151), 4 states have internal predecessors, (151), 1 states have call successors, (3), 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 07:46:30,670 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:46:32,690 WARN L534 Checker$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 07:46:33,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:46:33,430 INFO L93 Difference]: Finished difference Result 4183 states and 5954 transitions. [2022-03-20 07:46:33,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:46:33,430 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 30.2) internal successors, (151), 4 states have internal predecessors, (151), 1 states have call successors, (3), 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 267 [2022-03-20 07:46:33,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:46:33,434 INFO L225 Difference]: With dead ends: 4183 [2022-03-20 07:46:33,434 INFO L226 Difference]: Without dead ends: 4183 [2022-03-20 07:46:33,434 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 07:46:33,434 INFO L913 BasicCegarLoop]: 210 mSDtfsCounter, 45 mSDsluCounter, 325 mSDsCounter, 0 mSdLazyCounter, 463 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 535 SdHoareTripleChecker+Invalid, 471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 463 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-03-20 07:46:33,435 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [45 Valid, 535 Invalid, 471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 463 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2022-03-20 07:46:33,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4183 states. [2022-03-20 07:46:33,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4183 to 3924. [2022-03-20 07:46:33,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3924 states, 3919 states have (on average 1.437101301352386) internal successors, (5632), 3919 states have internal predecessors, (5632), 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 07:46:33,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3924 states to 3924 states and 5636 transitions. [2022-03-20 07:46:33,459 INFO L78 Accepts]: Start accepts. Automaton has 3924 states and 5636 transitions. Word has length 267 [2022-03-20 07:46:33,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:46:33,460 INFO L478 AbstractCegarLoop]: Abstraction has 3924 states and 5636 transitions. [2022-03-20 07:46:33,460 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 30.2) internal successors, (151), 4 states have internal predecessors, (151), 1 states have call successors, (3), 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 07:46:33,460 INFO L276 IsEmpty]: Start isEmpty. Operand 3924 states and 5636 transitions. [2022-03-20 07:46:33,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2022-03-20 07:46:33,464 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:46:33,464 INFO L499 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 5, 5, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:46:33,464 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2022-03-20 07:46:33,464 INFO L403 AbstractCegarLoop]: === Iteration 53 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:46:33,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:46:33,465 INFO L85 PathProgramCache]: Analyzing trace with hash 1564953844, now seen corresponding path program 1 times [2022-03-20 07:46:33,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:46:33,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757156677] [2022-03-20 07:46:33,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:46:33,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:46:33,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:46:33,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:46:33,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:46:33,602 INFO L134 CoverageAnalysis]: Checked inductivity of 680 backedges. 317 proven. 0 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2022-03-20 07:46:33,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:46:33,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757156677] [2022-03-20 07:46:33,602 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1757156677] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:46:33,602 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:46:33,602 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:46:33,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997518294] [2022-03-20 07:46:33,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:46:33,603 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:46:33,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:46:33,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:46:33,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:46:33,604 INFO L87 Difference]: Start difference. First operand 3924 states and 5636 transitions. Second operand has 5 states, 5 states have (on average 30.4) internal successors, (152), 4 states have internal predecessors, (152), 1 states have call successors, (3), 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 07:46:35,110 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:46:36,409 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:46:37,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:46:37,256 INFO L93 Difference]: Finished difference Result 4155 states and 5912 transitions. [2022-03-20 07:46:37,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:46:37,256 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 30.4) internal successors, (152), 4 states have internal predecessors, (152), 1 states have call successors, (3), 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 268 [2022-03-20 07:46:37,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:46:37,259 INFO L225 Difference]: With dead ends: 4155 [2022-03-20 07:46:37,259 INFO L226 Difference]: Without dead ends: 4155 [2022-03-20 07:46:37,259 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 07:46:37,260 INFO L913 BasicCegarLoop]: 243 mSDtfsCounter, 41 mSDsluCounter, 356 mSDsCounter, 0 mSdLazyCounter, 492 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 599 SdHoareTripleChecker+Invalid, 498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 492 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-03-20 07:46:37,260 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [41 Valid, 599 Invalid, 498 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 492 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-03-20 07:46:37,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4155 states. [2022-03-20 07:46:37,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4155 to 3994. [2022-03-20 07:46:37,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3994 states, 3989 states have (on average 1.4311857608423164) internal successors, (5709), 3989 states have internal predecessors, (5709), 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 07:46:37,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3994 states to 3994 states and 5713 transitions. [2022-03-20 07:46:37,286 INFO L78 Accepts]: Start accepts. Automaton has 3994 states and 5713 transitions. Word has length 268 [2022-03-20 07:46:37,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:46:37,286 INFO L478 AbstractCegarLoop]: Abstraction has 3994 states and 5713 transitions. [2022-03-20 07:46:37,286 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 30.4) internal successors, (152), 4 states have internal predecessors, (152), 1 states have call successors, (3), 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 07:46:37,287 INFO L276 IsEmpty]: Start isEmpty. Operand 3994 states and 5713 transitions. [2022-03-20 07:46:37,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2022-03-20 07:46:37,290 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:46:37,290 INFO L499 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 5, 5, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:46:37,290 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2022-03-20 07:46:37,290 INFO L403 AbstractCegarLoop]: === Iteration 54 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:46:37,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:46:37,291 INFO L85 PathProgramCache]: Analyzing trace with hash -29323143, now seen corresponding path program 1 times [2022-03-20 07:46:37,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:46:37,291 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726986353] [2022-03-20 07:46:37,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:46:37,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:46:37,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:46:37,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:46:37,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:46:37,425 INFO L134 CoverageAnalysis]: Checked inductivity of 681 backedges. 318 proven. 0 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2022-03-20 07:46:37,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:46:37,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726986353] [2022-03-20 07:46:37,426 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1726986353] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:46:37,426 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:46:37,426 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:46:37,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646795403] [2022-03-20 07:46:37,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:46:37,426 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:46:37,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:46:37,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:46:37,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:46:37,427 INFO L87 Difference]: Start difference. First operand 3994 states and 5713 transitions. Second operand has 5 states, 5 states have (on average 30.4) internal successors, (152), 4 states have internal predecessors, (152), 1 states have call successors, (3), 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 07:46:38,590 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:46:40,607 WARN L534 Checker$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 07:46:41,724 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:46:43,202 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:46:43,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:46:43,580 INFO L93 Difference]: Finished difference Result 4155 states and 5905 transitions. [2022-03-20 07:46:43,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:46:43,580 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 30.4) internal successors, (152), 4 states have internal predecessors, (152), 1 states have call successors, (3), 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 268 [2022-03-20 07:46:43,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:46:43,584 INFO L225 Difference]: With dead ends: 4155 [2022-03-20 07:46:43,584 INFO L226 Difference]: Without dead ends: 4155 [2022-03-20 07:46:43,584 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 07:46:43,585 INFO L913 BasicCegarLoop]: 242 mSDtfsCounter, 39 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 490 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 597 SdHoareTripleChecker+Invalid, 497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 490 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-03-20 07:46:43,585 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [39 Valid, 597 Invalid, 497 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 490 Invalid, 1 Unknown, 0 Unchecked, 6.1s Time] [2022-03-20 07:46:43,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4155 states. [2022-03-20 07:46:43,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4155 to 4001. [2022-03-20 07:46:43,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4001 states, 3996 states have (on average 1.4304304304304305) internal successors, (5716), 3996 states have internal predecessors, (5716), 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 07:46:43,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4001 states to 4001 states and 5720 transitions. [2022-03-20 07:46:43,639 INFO L78 Accepts]: Start accepts. Automaton has 4001 states and 5720 transitions. Word has length 268 [2022-03-20 07:46:43,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:46:43,639 INFO L478 AbstractCegarLoop]: Abstraction has 4001 states and 5720 transitions. [2022-03-20 07:46:43,639 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 30.4) internal successors, (152), 4 states have internal predecessors, (152), 1 states have call successors, (3), 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 07:46:43,639 INFO L276 IsEmpty]: Start isEmpty. Operand 4001 states and 5720 transitions. [2022-03-20 07:46:43,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2022-03-20 07:46:43,643 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:46:43,643 INFO L499 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 5, 5, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:46:43,643 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2022-03-20 07:46:43,643 INFO L403 AbstractCegarLoop]: === Iteration 55 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:46:43,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:46:43,644 INFO L85 PathProgramCache]: Analyzing trace with hash -948513517, now seen corresponding path program 1 times [2022-03-20 07:46:43,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:46:43,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498280076] [2022-03-20 07:46:43,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:46:43,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:46:43,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:46:43,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:46:43,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:46:43,781 INFO L134 CoverageAnalysis]: Checked inductivity of 680 backedges. 317 proven. 0 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2022-03-20 07:46:43,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:46:43,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498280076] [2022-03-20 07:46:43,782 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498280076] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:46:43,782 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:46:43,782 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:46:43,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803778706] [2022-03-20 07:46:43,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:46:43,782 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:46:43,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:46:43,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:46:43,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:46:43,783 INFO L87 Difference]: Start difference. First operand 4001 states and 5720 transitions. Second operand has 5 states, 5 states have (on average 30.4) internal successors, (152), 4 states have internal predecessors, (152), 1 states have call successors, (3), 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 07:46:44,876 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:46:46,895 WARN L534 Checker$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 07:46:47,942 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:46:49,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:46:49,159 INFO L93 Difference]: Finished difference Result 4422 states and 6251 transitions. [2022-03-20 07:46:49,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:46:49,159 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 30.4) internal successors, (152), 4 states have internal predecessors, (152), 1 states have call successors, (3), 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 268 [2022-03-20 07:46:49,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:46:49,164 INFO L225 Difference]: With dead ends: 4422 [2022-03-20 07:46:49,164 INFO L226 Difference]: Without dead ends: 4422 [2022-03-20 07:46:49,164 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 07:46:49,164 INFO L913 BasicCegarLoop]: 131 mSDtfsCounter, 110 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 460 mSolverCounterSat, 54 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 515 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 460 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-03-20 07:46:49,164 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [110 Valid, 370 Invalid, 515 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 460 Invalid, 1 Unknown, 0 Unchecked, 5.4s Time] [2022-03-20 07:46:49,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4422 states. [2022-03-20 07:46:49,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4422 to 4001. [2022-03-20 07:46:49,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4001 states, 3996 states have (on average 1.4236736736736737) internal successors, (5689), 3996 states have internal predecessors, (5689), 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 07:46:49,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4001 states to 4001 states and 5693 transitions. [2022-03-20 07:46:49,193 INFO L78 Accepts]: Start accepts. Automaton has 4001 states and 5693 transitions. Word has length 268 [2022-03-20 07:46:49,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:46:49,193 INFO L478 AbstractCegarLoop]: Abstraction has 4001 states and 5693 transitions. [2022-03-20 07:46:49,193 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 30.4) internal successors, (152), 4 states have internal predecessors, (152), 1 states have call successors, (3), 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 07:46:49,193 INFO L276 IsEmpty]: Start isEmpty. Operand 4001 states and 5693 transitions. [2022-03-20 07:46:49,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2022-03-20 07:46:49,197 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:46:49,197 INFO L499 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 5, 5, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:46:49,197 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2022-03-20 07:46:49,197 INFO L403 AbstractCegarLoop]: === Iteration 56 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:46:49,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:46:49,197 INFO L85 PathProgramCache]: Analyzing trace with hash 1752176792, now seen corresponding path program 1 times [2022-03-20 07:46:49,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:46:49,197 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648313854] [2022-03-20 07:46:49,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:46:49,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:46:49,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:46:49,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:46:49,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:46:49,361 INFO L134 CoverageAnalysis]: Checked inductivity of 681 backedges. 318 proven. 0 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2022-03-20 07:46:49,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:46:49,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648313854] [2022-03-20 07:46:49,362 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648313854] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:46:49,362 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:46:49,362 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:46:49,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094062435] [2022-03-20 07:46:49,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:46:49,362 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:46:49,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:46:49,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:46:49,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:46:49,363 INFO L87 Difference]: Start difference. First operand 4001 states and 5693 transitions. Second operand has 5 states, 5 states have (on average 30.4) internal successors, (152), 4 states have internal predecessors, (152), 1 states have call successors, (3), 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 07:46:52,050 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:46:52,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:46:52,441 INFO L93 Difference]: Finished difference Result 4716 states and 6637 transitions. [2022-03-20 07:46:52,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:46:52,441 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 30.4) internal successors, (152), 4 states have internal predecessors, (152), 1 states have call successors, (3), 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 268 [2022-03-20 07:46:52,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:46:52,445 INFO L225 Difference]: With dead ends: 4716 [2022-03-20 07:46:52,445 INFO L226 Difference]: Without dead ends: 4716 [2022-03-20 07:46:52,445 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 07:46:52,445 INFO L913 BasicCegarLoop]: 131 mSDtfsCounter, 108 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 462 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 462 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-03-20 07:46:52,445 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [108 Valid, 370 Invalid, 514 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 462 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-03-20 07:46:52,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4716 states. [2022-03-20 07:46:52,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4716 to 4169. [2022-03-20 07:46:52,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4169 states, 4164 states have (on average 1.4236311239193085) internal successors, (5928), 4164 states have internal predecessors, (5928), 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 07:46:52,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4169 states to 4169 states and 5932 transitions. [2022-03-20 07:46:52,470 INFO L78 Accepts]: Start accepts. Automaton has 4169 states and 5932 transitions. Word has length 268 [2022-03-20 07:46:52,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:46:52,471 INFO L478 AbstractCegarLoop]: Abstraction has 4169 states and 5932 transitions. [2022-03-20 07:46:52,471 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 30.4) internal successors, (152), 4 states have internal predecessors, (152), 1 states have call successors, (3), 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 07:46:52,471 INFO L276 IsEmpty]: Start isEmpty. Operand 4169 states and 5932 transitions. [2022-03-20 07:46:52,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2022-03-20 07:46:52,474 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:46:52,474 INFO L499 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 5, 5, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:46:52,474 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2022-03-20 07:46:52,474 INFO L403 AbstractCegarLoop]: === Iteration 57 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:46:52,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:46:52,475 INFO L85 PathProgramCache]: Analyzing trace with hash -1401581739, now seen corresponding path program 1 times [2022-03-20 07:46:52,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:46:52,475 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744927231] [2022-03-20 07:46:52,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:46:52,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:46:52,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:46:52,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:46:52,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:46:52,635 INFO L134 CoverageAnalysis]: Checked inductivity of 682 backedges. 319 proven. 0 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2022-03-20 07:46:52,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:46:52,636 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744927231] [2022-03-20 07:46:52,636 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744927231] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:46:52,636 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:46:52,636 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:46:52,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821891446] [2022-03-20 07:46:52,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:46:52,636 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:46:52,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:46:52,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:46:52,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:46:52,637 INFO L87 Difference]: Start difference. First operand 4169 states and 5932 transitions. Second operand has 5 states, 5 states have (on average 30.6) internal successors, (153), 4 states have internal predecessors, (153), 1 states have call successors, (3), 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 07:46:54,190 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:46:55,735 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:46:56,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:46:56,705 INFO L93 Difference]: Finished difference Result 4386 states and 6180 transitions. [2022-03-20 07:46:56,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:46:56,706 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 30.6) internal successors, (153), 4 states have internal predecessors, (153), 1 states have call successors, (3), 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 269 [2022-03-20 07:46:56,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:46:56,710 INFO L225 Difference]: With dead ends: 4386 [2022-03-20 07:46:56,710 INFO L226 Difference]: Without dead ends: 4386 [2022-03-20 07:46:56,710 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 07:46:56,710 INFO L913 BasicCegarLoop]: 240 mSDtfsCounter, 36 mSDsluCounter, 353 mSDsCounter, 0 mSdLazyCounter, 485 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 593 SdHoareTripleChecker+Invalid, 491 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 485 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-03-20 07:46:56,710 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [36 Valid, 593 Invalid, 491 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 485 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-03-20 07:46:56,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4386 states. [2022-03-20 07:46:56,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4386 to 4253. [2022-03-20 07:46:56,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4253 states, 4248 states have (on average 1.4169020715630884) internal successors, (6019), 4248 states have internal predecessors, (6019), 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 07:46:56,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4253 states to 4253 states and 6023 transitions. [2022-03-20 07:46:56,740 INFO L78 Accepts]: Start accepts. Automaton has 4253 states and 6023 transitions. Word has length 269 [2022-03-20 07:46:56,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:46:56,740 INFO L478 AbstractCegarLoop]: Abstraction has 4253 states and 6023 transitions. [2022-03-20 07:46:56,742 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 30.6) internal successors, (153), 4 states have internal predecessors, (153), 1 states have call successors, (3), 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 07:46:56,742 INFO L276 IsEmpty]: Start isEmpty. Operand 4253 states and 6023 transitions. [2022-03-20 07:46:56,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2022-03-20 07:46:56,746 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:46:56,746 INFO L499 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 5, 5, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:46:56,746 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2022-03-20 07:46:56,746 INFO L403 AbstractCegarLoop]: === Iteration 58 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:46:56,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:46:56,746 INFO L85 PathProgramCache]: Analyzing trace with hash -2009658602, now seen corresponding path program 1 times [2022-03-20 07:46:56,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:46:56,746 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325041376] [2022-03-20 07:46:56,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:46:56,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:46:56,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:46:56,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:46:56,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:46:56,918 INFO L134 CoverageAnalysis]: Checked inductivity of 682 backedges. 319 proven. 0 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2022-03-20 07:46:56,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:46:56,919 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325041376] [2022-03-20 07:46:56,919 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [325041376] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:46:56,919 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:46:56,919 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:46:56,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99429920] [2022-03-20 07:46:56,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:46:56,919 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:46:56,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:46:56,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:46:56,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:46:56,920 INFO L87 Difference]: Start difference. First operand 4253 states and 6023 transitions. Second operand has 5 states, 5 states have (on average 30.6) internal successors, (153), 4 states have internal predecessors, (153), 1 states have call successors, (3), 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 07:47:00,138 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:47:02,161 WARN L534 Checker$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 07:47:02,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:47:02,487 INFO L93 Difference]: Finished difference Result 4407 states and 6201 transitions. [2022-03-20 07:47:02,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:47:02,488 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 30.6) internal successors, (153), 4 states have internal predecessors, (153), 1 states have call successors, (3), 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 269 [2022-03-20 07:47:02,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:47:02,491 INFO L225 Difference]: With dead ends: 4407 [2022-03-20 07:47:02,491 INFO L226 Difference]: Without dead ends: 4407 [2022-03-20 07:47:02,491 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 07:47:02,491 INFO L913 BasicCegarLoop]: 213 mSDtfsCounter, 35 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 457 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 541 SdHoareTripleChecker+Invalid, 465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 457 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-03-20 07:47:02,491 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 541 Invalid, 465 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 457 Invalid, 1 Unknown, 0 Unchecked, 5.5s Time] [2022-03-20 07:47:02,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4407 states. [2022-03-20 07:47:02,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4407 to 4190. [2022-03-20 07:47:02,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4190 states, 4185 states have (on average 1.421505376344086) internal successors, (5949), 4185 states have internal predecessors, (5949), 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 07:47:02,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4190 states to 4190 states and 5953 transitions. [2022-03-20 07:47:02,515 INFO L78 Accepts]: Start accepts. Automaton has 4190 states and 5953 transitions. Word has length 269 [2022-03-20 07:47:02,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:47:02,515 INFO L478 AbstractCegarLoop]: Abstraction has 4190 states and 5953 transitions. [2022-03-20 07:47:02,515 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 30.6) internal successors, (153), 4 states have internal predecessors, (153), 1 states have call successors, (3), 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 07:47:02,515 INFO L276 IsEmpty]: Start isEmpty. Operand 4190 states and 5953 transitions. [2022-03-20 07:47:02,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2022-03-20 07:47:02,518 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:47:02,518 INFO L499 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 5, 5, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:47:02,519 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2022-03-20 07:47:02,519 INFO L403 AbstractCegarLoop]: === Iteration 59 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:47:02,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:47:02,520 INFO L85 PathProgramCache]: Analyzing trace with hash -1588012505, now seen corresponding path program 1 times [2022-03-20 07:47:02,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:47:02,520 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976467794] [2022-03-20 07:47:02,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:47:02,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:47:02,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:47:02,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:47:02,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:47:02,732 INFO L134 CoverageAnalysis]: Checked inductivity of 685 backedges. 322 proven. 0 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2022-03-20 07:47:02,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:47:02,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976467794] [2022-03-20 07:47:02,732 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976467794] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:47:02,732 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:47:02,732 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:47:02,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593224707] [2022-03-20 07:47:02,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:47:02,733 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:47:02,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:47:02,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:47:02,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:47:02,733 INFO L87 Difference]: Start difference. First operand 4190 states and 5953 transitions. Second operand has 5 states, 5 states have (on average 32.2) internal successors, (161), 4 states have internal predecessors, (161), 1 states have call successors, (3), 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 07:47:04,742 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:47:05,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:47:05,123 INFO L93 Difference]: Finished difference Result 4407 states and 6194 transitions. [2022-03-20 07:47:05,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:47:05,124 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 32.2) internal successors, (161), 4 states have internal predecessors, (161), 1 states have call successors, (3), 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 277 [2022-03-20 07:47:05,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:47:05,128 INFO L225 Difference]: With dead ends: 4407 [2022-03-20 07:47:05,128 INFO L226 Difference]: Without dead ends: 4407 [2022-03-20 07:47:05,128 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 07:47:05,128 INFO L913 BasicCegarLoop]: 239 mSDtfsCounter, 30 mSDsluCounter, 352 mSDsCounter, 0 mSdLazyCounter, 480 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 591 SdHoareTripleChecker+Invalid, 487 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 480 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-20 07:47:05,129 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [30 Valid, 591 Invalid, 487 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 480 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-20 07:47:05,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4407 states. [2022-03-20 07:47:05,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4407 to 4309. [2022-03-20 07:47:05,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4309 states, 4304 states have (on average 1.4114776951672863) internal successors, (6075), 4304 states have internal predecessors, (6075), 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 07:47:05,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4309 states to 4309 states and 6079 transitions. [2022-03-20 07:47:05,161 INFO L78 Accepts]: Start accepts. Automaton has 4309 states and 6079 transitions. Word has length 277 [2022-03-20 07:47:05,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:47:05,161 INFO L478 AbstractCegarLoop]: Abstraction has 4309 states and 6079 transitions. [2022-03-20 07:47:05,161 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 32.2) internal successors, (161), 4 states have internal predecessors, (161), 1 states have call successors, (3), 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 07:47:05,161 INFO L276 IsEmpty]: Start isEmpty. Operand 4309 states and 6079 transitions. [2022-03-20 07:47:05,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2022-03-20 07:47:05,165 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:47:05,165 INFO L499 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 5, 5, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:47:05,165 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2022-03-20 07:47:05,166 INFO L403 AbstractCegarLoop]: === Iteration 60 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:47:05,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:47:05,166 INFO L85 PathProgramCache]: Analyzing trace with hash -720960280, now seen corresponding path program 1 times [2022-03-20 07:47:05,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:47:05,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268309897] [2022-03-20 07:47:05,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:47:05,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:47:05,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:47:05,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:47:05,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:47:05,333 INFO L134 CoverageAnalysis]: Checked inductivity of 685 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 515 trivial. 0 not checked. [2022-03-20 07:47:05,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:47:05,333 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268309897] [2022-03-20 07:47:05,333 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [268309897] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:47:05,333 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:47:05,333 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:47:05,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243975487] [2022-03-20 07:47:05,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:47:05,333 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:47:05,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:47:05,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:47:05,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:47:05,334 INFO L87 Difference]: Start difference. First operand 4309 states and 6079 transitions. Second operand has 5 states, 5 states have (on average 25.6) internal successors, (128), 4 states have internal predecessors, (128), 1 states have call successors, (3), 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 07:47:06,690 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:47:09,268 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:47:11,298 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:47:11,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:47:11,681 INFO L93 Difference]: Finished difference Result 4443 states and 6230 transitions. [2022-03-20 07:47:11,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:47:11,681 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.6) internal successors, (128), 4 states have internal predecessors, (128), 1 states have call successors, (3), 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 277 [2022-03-20 07:47:11,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:47:11,686 INFO L225 Difference]: With dead ends: 4443 [2022-03-20 07:47:11,686 INFO L226 Difference]: Without dead ends: 4443 [2022-03-20 07:47:11,686 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 07:47:11,686 INFO L913 BasicCegarLoop]: 236 mSDtfsCounter, 54 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 493 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 584 SdHoareTripleChecker+Invalid, 499 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 493 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-03-20 07:47:11,686 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [54 Valid, 584 Invalid, 499 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 493 Invalid, 1 Unknown, 0 Unchecked, 6.3s Time] [2022-03-20 07:47:11,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4443 states. [2022-03-20 07:47:11,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4443 to 4309. [2022-03-20 07:47:11,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4309 states, 4304 states have (on average 1.4100836431226766) internal successors, (6069), 4304 states have internal predecessors, (6069), 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 07:47:11,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4309 states to 4309 states and 6073 transitions. [2022-03-20 07:47:11,717 INFO L78 Accepts]: Start accepts. Automaton has 4309 states and 6073 transitions. Word has length 277 [2022-03-20 07:47:11,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:47:11,717 INFO L478 AbstractCegarLoop]: Abstraction has 4309 states and 6073 transitions. [2022-03-20 07:47:11,717 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.6) internal successors, (128), 4 states have internal predecessors, (128), 1 states have call successors, (3), 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 07:47:11,718 INFO L276 IsEmpty]: Start isEmpty. Operand 4309 states and 6073 transitions. [2022-03-20 07:47:11,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2022-03-20 07:47:11,721 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:47:11,722 INFO L499 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:47:11,722 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2022-03-20 07:47:11,722 INFO L403 AbstractCegarLoop]: === Iteration 61 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:47:11,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:47:11,722 INFO L85 PathProgramCache]: Analyzing trace with hash -1938433169, now seen corresponding path program 1 times [2022-03-20 07:47:11,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:47:11,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195664674] [2022-03-20 07:47:11,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:47:11,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:47:11,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:47:11,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:47:11,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:47:11,930 INFO L134 CoverageAnalysis]: Checked inductivity of 828 backedges. 444 proven. 0 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2022-03-20 07:47:11,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:47:11,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195664674] [2022-03-20 07:47:11,931 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [195664674] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:47:11,931 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:47:11,931 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:47:11,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776376826] [2022-03-20 07:47:11,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:47:11,931 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:47:11,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:47:11,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:47:11,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:47:11,931 INFO L87 Difference]: Start difference. First operand 4309 states and 6073 transitions. Second operand has 5 states, 5 states have (on average 29.8) internal successors, (149), 4 states have internal predecessors, (149), 1 states have call successors, (3), 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 07:47:13,155 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:47:15,174 WARN L534 Checker$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 07:47:18,008 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:47:18,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:47:18,366 INFO L93 Difference]: Finished difference Result 4407 states and 6181 transitions. [2022-03-20 07:47:18,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:47:18,367 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.8) internal successors, (149), 4 states have internal predecessors, (149), 1 states have call successors, (3), 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 285 [2022-03-20 07:47:18,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:47:18,371 INFO L225 Difference]: With dead ends: 4407 [2022-03-20 07:47:18,371 INFO L226 Difference]: Without dead ends: 4407 [2022-03-20 07:47:18,371 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 07:47:18,372 INFO L913 BasicCegarLoop]: 238 mSDtfsCounter, 46 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 482 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 589 SdHoareTripleChecker+Invalid, 489 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 482 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2022-03-20 07:47:18,372 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [46 Valid, 589 Invalid, 489 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 482 Invalid, 1 Unknown, 0 Unchecked, 6.4s Time] [2022-03-20 07:47:18,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4407 states. [2022-03-20 07:47:18,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4407 to 4309. [2022-03-20 07:47:18,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4309 states, 4304 states have (on average 1.408457249070632) internal successors, (6062), 4304 states have internal predecessors, (6062), 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 07:47:18,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4309 states to 4309 states and 6066 transitions. [2022-03-20 07:47:18,396 INFO L78 Accepts]: Start accepts. Automaton has 4309 states and 6066 transitions. Word has length 285 [2022-03-20 07:47:18,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:47:18,396 INFO L478 AbstractCegarLoop]: Abstraction has 4309 states and 6066 transitions. [2022-03-20 07:47:18,396 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.8) internal successors, (149), 4 states have internal predecessors, (149), 1 states have call successors, (3), 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 07:47:18,396 INFO L276 IsEmpty]: Start isEmpty. Operand 4309 states and 6066 transitions. [2022-03-20 07:47:18,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2022-03-20 07:47:18,400 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:47:18,400 INFO L499 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 8, 8, 7, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:47:18,400 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2022-03-20 07:47:18,400 INFO L403 AbstractCegarLoop]: === Iteration 62 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:47:18,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:47:18,401 INFO L85 PathProgramCache]: Analyzing trace with hash 1869106304, now seen corresponding path program 1 times [2022-03-20 07:47:18,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:47:18,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823439429] [2022-03-20 07:47:18,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:47:18,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:47:18,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:47:18,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:47:18,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:47:18,550 INFO L134 CoverageAnalysis]: Checked inductivity of 834 backedges. 450 proven. 0 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2022-03-20 07:47:18,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:47:18,550 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823439429] [2022-03-20 07:47:18,550 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823439429] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:47:18,550 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:47:18,551 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:47:18,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507512410] [2022-03-20 07:47:18,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:47:18,551 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:47:18,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:47:18,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:47:18,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:47:18,552 INFO L87 Difference]: Start difference. First operand 4309 states and 6066 transitions. Second operand has 5 states, 5 states have (on average 30.0) internal successors, (150), 4 states have internal predecessors, (150), 1 states have call successors, (3), 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 07:47:19,624 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:47:21,642 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:47:22,726 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:47:24,740 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 07:47:25,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:47:25,132 INFO L93 Difference]: Finished difference Result 4373 states and 6132 transitions. [2022-03-20 07:47:25,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:47:25,132 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 30.0) internal successors, (150), 4 states have internal predecessors, (150), 1 states have call successors, (3), 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 286 [2022-03-20 07:47:25,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:47:25,136 INFO L225 Difference]: With dead ends: 4373 [2022-03-20 07:47:25,136 INFO L226 Difference]: Without dead ends: 4373 [2022-03-20 07:47:25,137 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 07:47:25,137 INFO L913 BasicCegarLoop]: 232 mSDtfsCounter, 38 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 468 mSolverCounterSat, 6 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 577 SdHoareTripleChecker+Invalid, 476 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 468 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2022-03-20 07:47:25,137 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [38 Valid, 577 Invalid, 476 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 468 Invalid, 2 Unknown, 0 Unchecked, 6.6s Time] [2022-03-20 07:47:25,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4373 states. [2022-03-20 07:47:25,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4373 to 4309. [2022-03-20 07:47:25,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4309 states, 4304 states have (on average 1.4068308550185873) internal successors, (6055), 4304 states have internal predecessors, (6055), 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 07:47:25,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4309 states to 4309 states and 6059 transitions. [2022-03-20 07:47:25,171 INFO L78 Accepts]: Start accepts. Automaton has 4309 states and 6059 transitions. Word has length 286 [2022-03-20 07:47:25,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:47:25,171 INFO L478 AbstractCegarLoop]: Abstraction has 4309 states and 6059 transitions. [2022-03-20 07:47:25,171 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 30.0) internal successors, (150), 4 states have internal predecessors, (150), 1 states have call successors, (3), 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 07:47:25,171 INFO L276 IsEmpty]: Start isEmpty. Operand 4309 states and 6059 transitions. [2022-03-20 07:47:25,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2022-03-20 07:47:25,175 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:47:25,175 INFO L499 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 8, 8, 7, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:47:25,175 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2022-03-20 07:47:25,176 INFO L403 AbstractCegarLoop]: === Iteration 63 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:47:25,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:47:25,177 INFO L85 PathProgramCache]: Analyzing trace with hash -1217942817, now seen corresponding path program 1 times [2022-03-20 07:47:25,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:47:25,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841294363] [2022-03-20 07:47:25,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:47:25,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:47:25,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:47:25,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:47:25,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:47:25,328 INFO L134 CoverageAnalysis]: Checked inductivity of 834 backedges. 450 proven. 0 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2022-03-20 07:47:25,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:47:25,328 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841294363] [2022-03-20 07:47:25,328 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841294363] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:47:25,328 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:47:25,328 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:47:25,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547425231] [2022-03-20 07:47:25,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:47:25,329 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:47:25,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:47:25,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:47:25,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:47:25,329 INFO L87 Difference]: Start difference. First operand 4309 states and 6059 transitions. Second operand has 5 states, 5 states have (on average 30.0) internal successors, (150), 4 states have internal predecessors, (150), 1 states have call successors, (3), 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 07:47:27,607 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:47:29,033 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:47:30,624 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:47:31,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:47:31,060 INFO L93 Difference]: Finished difference Result 4730 states and 6542 transitions. [2022-03-20 07:47:31,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:47:31,060 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 30.0) internal successors, (150), 4 states have internal predecessors, (150), 1 states have call successors, (3), 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 286 [2022-03-20 07:47:31,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:47:31,065 INFO L225 Difference]: With dead ends: 4730 [2022-03-20 07:47:31,065 INFO L226 Difference]: Without dead ends: 4730 [2022-03-20 07:47:31,065 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 07:47:31,066 INFO L913 BasicCegarLoop]: 131 mSDtfsCounter, 118 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 461 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 515 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 461 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2022-03-20 07:47:31,066 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [118 Valid, 370 Invalid, 515 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 461 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2022-03-20 07:47:31,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4730 states. [2022-03-20 07:47:31,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4730 to 4309. [2022-03-20 07:47:31,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4309 states, 4304 states have (on average 1.3894052044609666) internal successors, (5980), 4304 states have internal predecessors, (5980), 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 07:47:31,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4309 states to 4309 states and 5984 transitions. [2022-03-20 07:47:31,123 INFO L78 Accepts]: Start accepts. Automaton has 4309 states and 5984 transitions. Word has length 286 [2022-03-20 07:47:31,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:47:31,123 INFO L478 AbstractCegarLoop]: Abstraction has 4309 states and 5984 transitions. [2022-03-20 07:47:31,124 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 30.0) internal successors, (150), 4 states have internal predecessors, (150), 1 states have call successors, (3), 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 07:47:31,124 INFO L276 IsEmpty]: Start isEmpty. Operand 4309 states and 5984 transitions. [2022-03-20 07:47:31,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2022-03-20 07:47:31,128 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:47:31,128 INFO L499 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:47:31,128 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2022-03-20 07:47:31,128 INFO L403 AbstractCegarLoop]: === Iteration 64 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:47:31,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:47:31,129 INFO L85 PathProgramCache]: Analyzing trace with hash -746756437, now seen corresponding path program 1 times [2022-03-20 07:47:31,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:47:31,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802972016] [2022-03-20 07:47:31,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:47:31,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:47:31,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:47:31,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:47:31,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:47:31,426 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 508 proven. 0 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-03-20 07:47:31,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:47:31,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802972016] [2022-03-20 07:47:31,427 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1802972016] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:47:31,427 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:47:31,427 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-03-20 07:47:31,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786465546] [2022-03-20 07:47:31,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:47:31,428 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-20 07:47:31,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:47:31,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-20 07:47:31,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-03-20 07:47:31,430 INFO L87 Difference]: Start difference. First operand 4309 states and 5984 transitions. Second operand has 8 states, 8 states have (on average 20.25) internal successors, (162), 7 states have internal predecessors, (162), 1 states have call successors, (3), 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 07:47:33,001 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:47:34,033 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:47:36,046 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:47:38,072 WARN L534 Checker$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 07:47:39,991 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:47:42,007 WARN L534 Checker$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 07:47:43,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:47:43,004 INFO L93 Difference]: Finished difference Result 8159 states and 11348 transitions. [2022-03-20 07:47:43,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-20 07:47:43,004 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 20.25) internal successors, (162), 7 states have internal predecessors, (162), 1 states have call successors, (3), 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 295 [2022-03-20 07:47:43,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:47:43,013 INFO L225 Difference]: With dead ends: 8159 [2022-03-20 07:47:43,013 INFO L226 Difference]: Without dead ends: 8159 [2022-03-20 07:47:43,013 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2022-03-20 07:47:43,013 INFO L913 BasicCegarLoop]: 301 mSDtfsCounter, 199 mSDsluCounter, 916 mSDsCounter, 0 mSdLazyCounter, 1174 mSolverCounterSat, 45 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 1217 SdHoareTripleChecker+Invalid, 1222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 1174 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.5s IncrementalHoareTripleChecker+Time [2022-03-20 07:47:43,014 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [199 Valid, 1217 Invalid, 1222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 1174 Invalid, 3 Unknown, 0 Unchecked, 11.5s Time] [2022-03-20 07:47:43,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8159 states. [2022-03-20 07:47:43,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8159 to 7590. [2022-03-20 07:47:43,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7590 states, 7585 states have (on average 1.4073829927488464) internal successors, (10675), 7585 states have internal predecessors, (10675), 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 07:47:43,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7590 states to 7590 states and 10679 transitions. [2022-03-20 07:47:43,076 INFO L78 Accepts]: Start accepts. Automaton has 7590 states and 10679 transitions. Word has length 295 [2022-03-20 07:47:43,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:47:43,077 INFO L478 AbstractCegarLoop]: Abstraction has 7590 states and 10679 transitions. [2022-03-20 07:47:43,077 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 20.25) internal successors, (162), 7 states have internal predecessors, (162), 1 states have call successors, (3), 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 07:47:43,077 INFO L276 IsEmpty]: Start isEmpty. Operand 7590 states and 10679 transitions. [2022-03-20 07:47:43,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2022-03-20 07:47:43,120 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:47:43,120 INFO L499 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 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] [2022-03-20 07:47:43,120 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2022-03-20 07:47:43,120 INFO L403 AbstractCegarLoop]: === Iteration 65 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:47:43,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:47:43,121 INFO L85 PathProgramCache]: Analyzing trace with hash 1814109237, now seen corresponding path program 1 times [2022-03-20 07:47:43,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:47:43,121 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540558503] [2022-03-20 07:47:43,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:47:43,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:47:43,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:47:43,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:47:43,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:47:43,250 INFO L134 CoverageAnalysis]: Checked inductivity of 717 backedges. 484 proven. 0 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2022-03-20 07:47:43,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:47:43,250 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540558503] [2022-03-20 07:47:43,250 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1540558503] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:47:43,250 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:47:43,250 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:47:43,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146561890] [2022-03-20 07:47:43,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:47:43,250 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:47:43,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:47:43,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:47:43,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:47:43,251 INFO L87 Difference]: Start difference. First operand 7590 states and 10679 transitions. Second operand has 5 states, 5 states have (on average 33.0) internal successors, (165), 4 states have internal predecessors, (165), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:47:45,564 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:47:47,584 WARN L534 Checker$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 07:47:48,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:47:48,735 INFO L93 Difference]: Finished difference Result 7697 states and 10797 transitions. [2022-03-20 07:47:48,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:47:48,736 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 33.0) internal successors, (165), 4 states have internal predecessors, (165), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 296 [2022-03-20 07:47:48,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:47:48,744 INFO L225 Difference]: With dead ends: 7697 [2022-03-20 07:47:48,744 INFO L226 Difference]: Without dead ends: 7564 [2022-03-20 07:47:48,744 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 07:47:48,744 INFO L913 BasicCegarLoop]: 231 mSDtfsCounter, 21 mSDsluCounter, 344 mSDsCounter, 0 mSdLazyCounter, 463 mSolverCounterSat, 5 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 575 SdHoareTripleChecker+Invalid, 470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 463 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-03-20 07:47:48,745 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 575 Invalid, 470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 463 Invalid, 2 Unknown, 0 Unchecked, 5.5s Time] [2022-03-20 07:47:48,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7564 states. [2022-03-20 07:47:48,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7564 to 7464. [2022-03-20 07:47:48,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7464 states, 7459 states have (on average 1.4123877195334495) internal successors, (10535), 7459 states have internal predecessors, (10535), 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 07:47:48,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7464 states to 7464 states and 10539 transitions. [2022-03-20 07:47:48,822 INFO L78 Accepts]: Start accepts. Automaton has 7464 states and 10539 transitions. Word has length 296 [2022-03-20 07:47:48,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:47:48,822 INFO L478 AbstractCegarLoop]: Abstraction has 7464 states and 10539 transitions. [2022-03-20 07:47:48,822 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 33.0) internal successors, (165), 4 states have internal predecessors, (165), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:47:48,822 INFO L276 IsEmpty]: Start isEmpty. Operand 7464 states and 10539 transitions. [2022-03-20 07:47:48,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2022-03-20 07:47:48,829 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:47:48,829 INFO L499 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:47:48,829 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2022-03-20 07:47:48,829 INFO L403 AbstractCegarLoop]: === Iteration 66 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:47:48,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:47:48,829 INFO L85 PathProgramCache]: Analyzing trace with hash -738379758, now seen corresponding path program 1 times [2022-03-20 07:47:48,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:47:48,830 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982385554] [2022-03-20 07:47:48,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:47:48,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:47:48,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:47:49,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:47:49,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:47:49,031 INFO L134 CoverageAnalysis]: Checked inductivity of 997 backedges. 575 proven. 0 refuted. 0 times theorem prover too weak. 422 trivial. 0 not checked. [2022-03-20 07:47:49,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:47:49,031 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982385554] [2022-03-20 07:47:49,032 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982385554] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:47:49,032 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:47:49,032 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-20 07:47:49,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611102232] [2022-03-20 07:47:49,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:47:49,032 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-20 07:47:49,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:47:49,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-20 07:47:49,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-03-20 07:47:49,032 INFO L87 Difference]: Start difference. First operand 7464 states and 10539 transitions. Second operand has 6 states, 6 states have (on average 25.5) internal successors, (153), 5 states have internal predecessors, (153), 1 states have call successors, (3), 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 07:47:50,277 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:47:51,731 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:47:53,797 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:47:54,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:47:54,247 INFO L93 Difference]: Finished difference Result 8550 states and 11975 transitions. [2022-03-20 07:47:54,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-20 07:47:54,247 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 25.5) internal successors, (153), 5 states have internal predecessors, (153), 1 states have call successors, (3), 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 307 [2022-03-20 07:47:54,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:47:54,255 INFO L225 Difference]: With dead ends: 8550 [2022-03-20 07:47:54,255 INFO L226 Difference]: Without dead ends: 8550 [2022-03-20 07:47:54,255 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-03-20 07:47:54,255 INFO L913 BasicCegarLoop]: 231 mSDtfsCounter, 39 mSDsluCounter, 480 mSDsCounter, 0 mSdLazyCounter, 615 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 711 SdHoareTripleChecker+Invalid, 622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 615 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2022-03-20 07:47:54,255 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [39 Valid, 711 Invalid, 622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 615 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2022-03-20 07:47:54,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8550 states. [2022-03-20 07:47:54,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8550 to 7941. [2022-03-20 07:47:54,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7941 states, 7936 states have (on average 1.409274193548387) internal successors, (11184), 7936 states have internal predecessors, (11184), 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 07:47:54,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7941 states to 7941 states and 11188 transitions. [2022-03-20 07:47:54,349 INFO L78 Accepts]: Start accepts. Automaton has 7941 states and 11188 transitions. Word has length 307 [2022-03-20 07:47:54,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:47:54,350 INFO L478 AbstractCegarLoop]: Abstraction has 7941 states and 11188 transitions. [2022-03-20 07:47:54,350 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 25.5) internal successors, (153), 5 states have internal predecessors, (153), 1 states have call successors, (3), 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 07:47:54,350 INFO L276 IsEmpty]: Start isEmpty. Operand 7941 states and 11188 transitions. [2022-03-20 07:47:54,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2022-03-20 07:47:54,358 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:47:54,358 INFO L499 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:47:54,358 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2022-03-20 07:47:54,358 INFO L403 AbstractCegarLoop]: === Iteration 67 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:47:54,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:47:54,358 INFO L85 PathProgramCache]: Analyzing trace with hash -679159021, now seen corresponding path program 1 times [2022-03-20 07:47:54,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:47:54,359 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937981071] [2022-03-20 07:47:54,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:47:54,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:47:54,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:47:54,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:47:54,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:47:54,581 INFO L134 CoverageAnalysis]: Checked inductivity of 997 backedges. 575 proven. 0 refuted. 0 times theorem prover too weak. 422 trivial. 0 not checked. [2022-03-20 07:47:54,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:47:54,581 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937981071] [2022-03-20 07:47:54,581 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937981071] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:47:54,581 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:47:54,581 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:47:54,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437823901] [2022-03-20 07:47:54,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:47:54,582 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:47:54,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:47:54,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:47:54,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:47:54,582 INFO L87 Difference]: Start difference. First operand 7941 states and 11188 transitions. Second operand has 5 states, 5 states have (on average 30.6) internal successors, (153), 4 states have internal predecessors, (153), 1 states have call successors, (3), 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 07:47:56,383 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:47:58,406 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:48:00,428 WARN L534 Checker$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 07:48:00,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:48:00,953 INFO L93 Difference]: Finished difference Result 8772 states and 12111 transitions. [2022-03-20 07:48:00,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:48:00,953 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 30.6) internal successors, (153), 4 states have internal predecessors, (153), 1 states have call successors, (3), 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 307 [2022-03-20 07:48:00,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:48:00,961 INFO L225 Difference]: With dead ends: 8772 [2022-03-20 07:48:00,961 INFO L226 Difference]: Without dead ends: 8772 [2022-03-20 07:48:00,961 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 07:48:00,961 INFO L913 BasicCegarLoop]: 155 mSDtfsCounter, 120 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 484 mSolverCounterSat, 50 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 484 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-03-20 07:48:00,961 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [120 Valid, 417 Invalid, 536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 484 Invalid, 2 Unknown, 0 Unchecked, 6.3s Time] [2022-03-20 07:48:00,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8772 states. [2022-03-20 07:48:01,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8772 to 7941. [2022-03-20 07:48:01,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7941 states, 7936 states have (on average 1.3868447580645162) internal successors, (11006), 7936 states have internal predecessors, (11006), 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 07:48:01,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7941 states to 7941 states and 11010 transitions. [2022-03-20 07:48:01,066 INFO L78 Accepts]: Start accepts. Automaton has 7941 states and 11010 transitions. Word has length 307 [2022-03-20 07:48:01,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:48:01,066 INFO L478 AbstractCegarLoop]: Abstraction has 7941 states and 11010 transitions. [2022-03-20 07:48:01,066 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 30.6) internal successors, (153), 4 states have internal predecessors, (153), 1 states have call successors, (3), 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 07:48:01,067 INFO L276 IsEmpty]: Start isEmpty. Operand 7941 states and 11010 transitions. [2022-03-20 07:48:01,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2022-03-20 07:48:01,073 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:48:01,073 INFO L499 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 9, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:48:01,073 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2022-03-20 07:48:01,073 INFO L403 AbstractCegarLoop]: === Iteration 68 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:48:01,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:48:01,073 INFO L85 PathProgramCache]: Analyzing trace with hash 459743299, now seen corresponding path program 1 times [2022-03-20 07:48:01,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:48:01,073 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077850981] [2022-03-20 07:48:01,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:48:01,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:48:01,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:48:01,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:48:01,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:48:01,236 INFO L134 CoverageAnalysis]: Checked inductivity of 1005 backedges. 583 proven. 0 refuted. 0 times theorem prover too weak. 422 trivial. 0 not checked. [2022-03-20 07:48:01,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:48:01,236 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077850981] [2022-03-20 07:48:01,236 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2077850981] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:48:01,236 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:48:01,236 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:48:01,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545499001] [2022-03-20 07:48:01,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:48:01,237 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:48:01,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:48:01,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:48:01,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:48:01,237 INFO L87 Difference]: Start difference. First operand 7941 states and 11010 transitions. Second operand has 5 states, 5 states have (on average 30.8) internal successors, (154), 4 states have internal predecessors, (154), 1 states have call successors, (3), 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 07:48:03,158 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:48:04,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:48:04,765 INFO L93 Difference]: Finished difference Result 8053 states and 11112 transitions. [2022-03-20 07:48:04,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:48:04,765 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 30.8) internal successors, (154), 4 states have internal predecessors, (154), 1 states have call successors, (3), 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 308 [2022-03-20 07:48:04,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:48:04,773 INFO L225 Difference]: With dead ends: 8053 [2022-03-20 07:48:04,773 INFO L226 Difference]: Without dead ends: 8053 [2022-03-20 07:48:04,773 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 07:48:04,774 INFO L913 BasicCegarLoop]: 205 mSDtfsCounter, 35 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 433 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 525 SdHoareTripleChecker+Invalid, 440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 433 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-03-20 07:48:04,774 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 525 Invalid, 440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 433 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-03-20 07:48:04,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8053 states. [2022-03-20 07:48:04,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8053 to 7915. [2022-03-20 07:48:04,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7915 states, 7910 states have (on average 1.3855878634639696) internal successors, (10960), 7910 states have internal predecessors, (10960), 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 07:48:04,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7915 states to 7915 states and 10964 transitions. [2022-03-20 07:48:04,859 INFO L78 Accepts]: Start accepts. Automaton has 7915 states and 10964 transitions. Word has length 308 [2022-03-20 07:48:04,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:48:04,859 INFO L478 AbstractCegarLoop]: Abstraction has 7915 states and 10964 transitions. [2022-03-20 07:48:04,859 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 30.8) internal successors, (154), 4 states have internal predecessors, (154), 1 states have call successors, (3), 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 07:48:04,859 INFO L276 IsEmpty]: Start isEmpty. Operand 7915 states and 10964 transitions. [2022-03-20 07:48:04,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2022-03-20 07:48:04,865 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:48:04,865 INFO L499 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 8, 8, 7, 7, 6, 6, 5, 4, 4, 4, 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, 1, 1, 1, 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 07:48:04,865 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2022-03-20 07:48:04,865 INFO L403 AbstractCegarLoop]: === Iteration 69 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:48:04,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:48:04,866 INFO L85 PathProgramCache]: Analyzing trace with hash 1332839289, now seen corresponding path program 1 times [2022-03-20 07:48:04,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:48:04,866 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299168376] [2022-03-20 07:48:04,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:48:04,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:48:04,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:48:05,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:48:05,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:48:05,037 INFO L134 CoverageAnalysis]: Checked inductivity of 883 backedges. 194 proven. 0 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2022-03-20 07:48:05,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:48:05,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299168376] [2022-03-20 07:48:05,038 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [299168376] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:48:05,038 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:48:05,038 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:48:05,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134615904] [2022-03-20 07:48:05,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:48:05,038 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:48:05,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:48:05,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:48:05,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:48:05,038 INFO L87 Difference]: Start difference. First operand 7915 states and 10964 transitions. Second operand has 5 states, 5 states have (on average 26.4) internal successors, (132), 4 states have internal predecessors, (132), 1 states have call successors, (3), 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 07:48:06,536 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:48:08,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:48:08,907 INFO L93 Difference]: Finished difference Result 8029 states and 11101 transitions. [2022-03-20 07:48:08,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:48:08,907 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.4) internal successors, (132), 4 states have internal predecessors, (132), 1 states have call successors, (3), 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 308 [2022-03-20 07:48:08,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:48:08,914 INFO L225 Difference]: With dead ends: 8029 [2022-03-20 07:48:08,915 INFO L226 Difference]: Without dead ends: 8029 [2022-03-20 07:48:08,915 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 07:48:08,915 INFO L913 BasicCegarLoop]: 226 mSDtfsCounter, 14 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 387 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 565 SdHoareTripleChecker+Invalid, 392 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 387 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-03-20 07:48:08,915 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 565 Invalid, 392 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 387 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-03-20 07:48:08,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8029 states. [2022-03-20 07:48:09,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8029 to 7985. [2022-03-20 07:48:09,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7985 states, 7980 states have (on average 1.3848370927318296) internal successors, (11051), 7980 states have internal predecessors, (11051), 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 07:48:09,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7985 states to 7985 states and 11055 transitions. [2022-03-20 07:48:09,012 INFO L78 Accepts]: Start accepts. Automaton has 7985 states and 11055 transitions. Word has length 308 [2022-03-20 07:48:09,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:48:09,012 INFO L478 AbstractCegarLoop]: Abstraction has 7985 states and 11055 transitions. [2022-03-20 07:48:09,012 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.4) internal successors, (132), 4 states have internal predecessors, (132), 1 states have call successors, (3), 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 07:48:09,012 INFO L276 IsEmpty]: Start isEmpty. Operand 7985 states and 11055 transitions. [2022-03-20 07:48:09,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2022-03-20 07:48:09,018 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:48:09,019 INFO L499 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 8, 8, 7, 7, 6, 6, 5, 4, 4, 4, 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, 1, 1, 1, 1, 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 07:48:09,019 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2022-03-20 07:48:09,019 INFO L403 AbstractCegarLoop]: === Iteration 70 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:48:09,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:48:09,019 INFO L85 PathProgramCache]: Analyzing trace with hash 1450830092, now seen corresponding path program 1 times [2022-03-20 07:48:09,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:48:09,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365911481] [2022-03-20 07:48:09,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:48:09,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:48:09,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:48:09,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:48:09,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:48:09,253 INFO L134 CoverageAnalysis]: Checked inductivity of 883 backedges. 194 proven. 0 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2022-03-20 07:48:09,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:48:09,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365911481] [2022-03-20 07:48:09,253 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365911481] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:48:09,253 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:48:09,253 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:48:09,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005932962] [2022-03-20 07:48:09,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:48:09,254 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:48:09,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:48:09,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:48:09,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:48:09,254 INFO L87 Difference]: Start difference. First operand 7985 states and 11055 transitions. Second operand has 5 states, 5 states have (on average 26.6) internal successors, (133), 4 states have internal predecessors, (133), 1 states have call successors, (3), 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 07:48:11,421 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:48:12,874 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:48:13,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:48:13,275 INFO L93 Difference]: Finished difference Result 8300 states and 11425 transitions. [2022-03-20 07:48:13,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:48:13,275 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.6) internal successors, (133), 4 states have internal predecessors, (133), 1 states have call successors, (3), 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 309 [2022-03-20 07:48:13,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:48:13,283 INFO L225 Difference]: With dead ends: 8300 [2022-03-20 07:48:13,283 INFO L226 Difference]: Without dead ends: 8300 [2022-03-20 07:48:13,283 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 07:48:13,284 INFO L913 BasicCegarLoop]: 245 mSDtfsCounter, 48 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 499 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 603 SdHoareTripleChecker+Invalid, 504 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 499 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-03-20 07:48:13,284 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [48 Valid, 603 Invalid, 504 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 499 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-03-20 07:48:13,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8300 states. [2022-03-20 07:48:13,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8300 to 7985. [2022-03-20 07:48:13,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7985 states, 7980 states have (on average 1.3830827067669174) internal successors, (11037), 7980 states have internal predecessors, (11037), 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 07:48:13,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7985 states to 7985 states and 11041 transitions. [2022-03-20 07:48:13,384 INFO L78 Accepts]: Start accepts. Automaton has 7985 states and 11041 transitions. Word has length 309 [2022-03-20 07:48:13,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:48:13,385 INFO L478 AbstractCegarLoop]: Abstraction has 7985 states and 11041 transitions. [2022-03-20 07:48:13,385 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.6) internal successors, (133), 4 states have internal predecessors, (133), 1 states have call successors, (3), 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 07:48:13,385 INFO L276 IsEmpty]: Start isEmpty. Operand 7985 states and 11041 transitions. [2022-03-20 07:48:13,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2022-03-20 07:48:13,392 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:48:13,392 INFO L499 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 8, 8, 7, 7, 6, 6, 5, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:48:13,392 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2022-03-20 07:48:13,392 INFO L403 AbstractCegarLoop]: === Iteration 71 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:48:13,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:48:13,392 INFO L85 PathProgramCache]: Analyzing trace with hash 962661665, now seen corresponding path program 1 times [2022-03-20 07:48:13,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:48:13,392 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435397413] [2022-03-20 07:48:13,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:48:13,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:48:13,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:48:13,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:48:13,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:48:13,587 INFO L134 CoverageAnalysis]: Checked inductivity of 889 backedges. 374 proven. 0 refuted. 0 times theorem prover too weak. 515 trivial. 0 not checked. [2022-03-20 07:48:13,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:48:13,587 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435397413] [2022-03-20 07:48:13,588 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [435397413] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:48:13,588 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:48:13,588 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:48:13,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151605304] [2022-03-20 07:48:13,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:48:13,588 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:48:13,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:48:13,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:48:13,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:48:13,588 INFO L87 Difference]: Start difference. First operand 7985 states and 11041 transitions. Second operand has 5 states, 5 states have (on average 32.2) internal successors, (161), 4 states have internal predecessors, (161), 1 states have call successors, (3), 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 07:48:15,258 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:48:17,280 WARN L534 Checker$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 07:48:18,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:48:18,044 INFO L93 Difference]: Finished difference Result 8773 states and 12049 transitions. [2022-03-20 07:48:18,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:48:18,045 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 32.2) internal successors, (161), 4 states have internal predecessors, (161), 1 states have call successors, (3), 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 310 [2022-03-20 07:48:18,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:48:18,053 INFO L225 Difference]: With dead ends: 8773 [2022-03-20 07:48:18,053 INFO L226 Difference]: Without dead ends: 8773 [2022-03-20 07:48:18,053 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 07:48:18,054 INFO L913 BasicCegarLoop]: 135 mSDtfsCounter, 105 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 464 mSolverCounterSat, 55 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 520 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 464 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-03-20 07:48:18,054 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [105 Valid, 378 Invalid, 520 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 464 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2022-03-20 07:48:18,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8773 states. [2022-03-20 07:48:18,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8773 to 7943. [2022-03-20 07:48:18,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7943 states, 7938 states have (on average 1.3790627362055934) internal successors, (10947), 7938 states have internal predecessors, (10947), 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 07:48:18,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7943 states to 7943 states and 10951 transitions. [2022-03-20 07:48:18,145 INFO L78 Accepts]: Start accepts. Automaton has 7943 states and 10951 transitions. Word has length 310 [2022-03-20 07:48:18,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:48:18,146 INFO L478 AbstractCegarLoop]: Abstraction has 7943 states and 10951 transitions. [2022-03-20 07:48:18,146 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 32.2) internal successors, (161), 4 states have internal predecessors, (161), 1 states have call successors, (3), 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 07:48:18,146 INFO L276 IsEmpty]: Start isEmpty. Operand 7943 states and 10951 transitions. [2022-03-20 07:48:18,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2022-03-20 07:48:18,152 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:48:18,153 INFO L499 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:48:18,153 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2022-03-20 07:48:18,153 INFO L403 AbstractCegarLoop]: === Iteration 72 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:48:18,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:48:18,153 INFO L85 PathProgramCache]: Analyzing trace with hash -531049626, now seen corresponding path program 1 times [2022-03-20 07:48:18,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:48:18,153 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349639974] [2022-03-20 07:48:18,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:48:18,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:48:18,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:48:18,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:48:18,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:48:18,385 INFO L134 CoverageAnalysis]: Checked inductivity of 856 backedges. 553 proven. 0 refuted. 0 times theorem prover too weak. 303 trivial. 0 not checked. [2022-03-20 07:48:18,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:48:18,385 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349639974] [2022-03-20 07:48:18,385 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349639974] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:48:18,385 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:48:18,385 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:48:18,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928533360] [2022-03-20 07:48:18,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:48:18,386 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:48:18,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:48:18,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:48:18,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:48:18,386 INFO L87 Difference]: Start difference. First operand 7943 states and 10951 transitions. Second operand has 5 states, 5 states have (on average 30.4) internal successors, (152), 4 states have internal predecessors, (152), 1 states have call successors, (3), 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 07:48:21,085 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:48:23,039 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:48:23,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:48:23,344 INFO L93 Difference]: Finished difference Result 8006 states and 10997 transitions. [2022-03-20 07:48:23,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:48:23,344 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 30.4) internal successors, (152), 4 states have internal predecessors, (152), 1 states have call successors, (3), 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 318 [2022-03-20 07:48:23,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:48:23,351 INFO L225 Difference]: With dead ends: 8006 [2022-03-20 07:48:23,351 INFO L226 Difference]: Without dead ends: 7966 [2022-03-20 07:48:23,351 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 07:48:23,351 INFO L913 BasicCegarLoop]: 226 mSDtfsCounter, 15 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 391 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 565 SdHoareTripleChecker+Invalid, 397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 391 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-03-20 07:48:23,352 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 565 Invalid, 397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 391 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2022-03-20 07:48:23,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7966 states. [2022-03-20 07:48:23,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7966 to 7609. [2022-03-20 07:48:23,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7609 states, 7604 states have (on average 1.3801946344029459) internal successors, (10495), 7604 states have internal predecessors, (10495), 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 07:48:23,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7609 states to 7609 states and 10499 transitions. [2022-03-20 07:48:23,451 INFO L78 Accepts]: Start accepts. Automaton has 7609 states and 10499 transitions. Word has length 318 [2022-03-20 07:48:23,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:48:23,451 INFO L478 AbstractCegarLoop]: Abstraction has 7609 states and 10499 transitions. [2022-03-20 07:48:23,451 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 30.4) internal successors, (152), 4 states have internal predecessors, (152), 1 states have call successors, (3), 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 07:48:23,451 INFO L276 IsEmpty]: Start isEmpty. Operand 7609 states and 10499 transitions. [2022-03-20 07:48:23,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2022-03-20 07:48:23,458 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:48:23,458 INFO L499 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 8, 8, 7, 7, 6, 6, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:48:23,459 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2022-03-20 07:48:23,459 INFO L403 AbstractCegarLoop]: === Iteration 73 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:48:23,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:48:23,459 INFO L85 PathProgramCache]: Analyzing trace with hash -57476552, now seen corresponding path program 1 times [2022-03-20 07:48:23,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:48:23,459 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028617587] [2022-03-20 07:48:23,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:48:23,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:48:23,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:48:23,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:48:23,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:48:23,679 INFO L134 CoverageAnalysis]: Checked inductivity of 897 backedges. 192 proven. 33 refuted. 0 times theorem prover too weak. 672 trivial. 0 not checked. [2022-03-20 07:48:23,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:48:23,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028617587] [2022-03-20 07:48:23,679 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028617587] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-20 07:48:23,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [898737570] [2022-03-20 07:48:23,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:48:23,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-20 07:48:23,680 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 07:48:23,696 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 07:48:23,699 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 07:48:25,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:48:25,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 1729 conjuncts, 29 conjunts are in the unsatisfiable core [2022-03-20 07:48:25,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-20 07:48:25,114 INFO L356 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-03-20 07:48:25,115 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 18 treesize of output 19 [2022-03-20 07:48:25,156 INFO L356 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-03-20 07:48:25,156 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 7 [2022-03-20 07:48:25,276 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 20 treesize of output 8 [2022-03-20 07:48:25,422 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 13 treesize of output 9 [2022-03-20 07:48:25,438 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 31 treesize of output 19 [2022-03-20 07:48:25,441 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 19 treesize of output 13 [2022-03-20 07:48:25,454 INFO L356 Elim1Store]: treesize reduction 25, result has 43.2 percent of original size [2022-03-20 07:48:25,455 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 1 case distinctions, treesize of input 23 treesize of output 32 [2022-03-20 07:48:25,515 INFO L356 Elim1Store]: treesize reduction 66, result has 30.5 percent of original size [2022-03-20 07:48:25,515 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 54 [2022-03-20 07:48:25,645 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 29 treesize of output 11 [2022-03-20 07:48:25,669 INFO L134 CoverageAnalysis]: Checked inductivity of 897 backedges. 188 proven. 141 refuted. 0 times theorem prover too weak. 568 trivial. 0 not checked. [2022-03-20 07:48:25,670 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-20 07:48:25,744 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 38 treesize of output 26 [2022-03-20 07:48:25,752 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 26 treesize of output 20 [2022-03-20 07:48:26,518 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_arrayElimCell_10 Int) (v_arrayElimCell_11 Int)) (not (= 8545 (select (select (store |c_#memory_int| v_arrayElimCell_10 (store (select |c_#memory_int| v_arrayElimCell_10) (+ 844 v_arrayElimCell_11) 8640)) c_ssl3_accept_~s.base) (+ 52 c_ssl3_accept_~s.offset))))) is different from false [2022-03-20 07:48:26,773 INFO L134 CoverageAnalysis]: Checked inductivity of 897 backedges. 194 proven. 0 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2022-03-20 07:48:26,774 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [898737570] provided 1 perfect and 1 imperfect interpolant sequences [2022-03-20 07:48:26,774 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-03-20 07:48:26,774 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 10] total 14 [2022-03-20 07:48:26,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046696131] [2022-03-20 07:48:26,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:48:26,774 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:48:26,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:48:26,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:48:26,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=128, Unknown=1, NotChecked=22, Total=182 [2022-03-20 07:48:26,775 INFO L87 Difference]: Start difference. First operand 7609 states and 10499 transitions. Second operand has 5 states, 5 states have (on average 27.2) internal successors, (136), 5 states have internal predecessors, (136), 1 states have call successors, (3), 1 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 07:48:28,784 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 07:48:29,704 WARN L833 $PredicateComparison]: unable to prove that (and (not (= 8545 (select (select |c_#memory_int| c_ssl3_accept_~s.base) (+ 52 c_ssl3_accept_~s.offset)))) (forall ((v_arrayElimCell_10 Int) (v_arrayElimCell_11 Int)) (not (= 8545 (select (select (store |c_#memory_int| v_arrayElimCell_10 (store (select |c_#memory_int| v_arrayElimCell_10) (+ 844 v_arrayElimCell_11) 8640)) c_ssl3_accept_~s.base) (+ 52 c_ssl3_accept_~s.offset)))))) is different from false [2022-03-20 07:48:29,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:48:29,844 INFO L93 Difference]: Finished difference Result 8649 states and 11822 transitions. [2022-03-20 07:48:29,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:48:29,844 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.2) internal successors, (136), 5 states have internal predecessors, (136), 1 states have call successors, (3), 1 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 320 [2022-03-20 07:48:29,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:48:29,852 INFO L225 Difference]: With dead ends: 8649 [2022-03-20 07:48:29,852 INFO L226 Difference]: Without dead ends: 8649 [2022-03-20 07:48:29,853 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 658 GetRequests, 644 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=37, Invalid=151, Unknown=2, NotChecked=50, Total=240 [2022-03-20 07:48:29,858 INFO L913 BasicCegarLoop]: 140 mSDtfsCounter, 112 mSDsluCounter, 353 mSDsCounter, 0 mSdLazyCounter, 237 mSolverCounterSat, 51 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 493 SdHoareTripleChecker+Invalid, 546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 237 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 257 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-03-20 07:48:29,858 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [112 Valid, 493 Invalid, 546 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 237 Invalid, 1 Unknown, 257 Unchecked, 2.3s Time] [2022-03-20 07:48:29,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8649 states. [2022-03-20 07:48:29,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8649 to 7783. [2022-03-20 07:48:29,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7783 states, 7778 states have (on average 1.3713036770377989) internal successors, (10666), 7778 states have internal predecessors, (10666), 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 07:48:29,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7783 states to 7783 states and 10670 transitions. [2022-03-20 07:48:29,923 INFO L78 Accepts]: Start accepts. Automaton has 7783 states and 10670 transitions. Word has length 320 [2022-03-20 07:48:29,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:48:29,923 INFO L478 AbstractCegarLoop]: Abstraction has 7783 states and 10670 transitions. [2022-03-20 07:48:29,923 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.2) internal successors, (136), 5 states have internal predecessors, (136), 1 states have call successors, (3), 1 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 07:48:29,923 INFO L276 IsEmpty]: Start isEmpty. Operand 7783 states and 10670 transitions. [2022-03-20 07:48:29,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2022-03-20 07:48:29,930 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:48:29,930 INFO L499 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 8, 8, 7, 7, 6, 6, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:48:29,955 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-03-20 07:48:30,151 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-20 07:48:30,152 INFO L403 AbstractCegarLoop]: === Iteration 74 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:48:30,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:48:30,152 INFO L85 PathProgramCache]: Analyzing trace with hash 968015447, now seen corresponding path program 1 times [2022-03-20 07:48:30,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:48:30,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842550546] [2022-03-20 07:48:30,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:48:30,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:48:30,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:48:30,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:48:30,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:48:30,420 INFO L134 CoverageAnalysis]: Checked inductivity of 897 backedges. 193 proven. 13 refuted. 0 times theorem prover too weak. 691 trivial. 0 not checked. [2022-03-20 07:48:30,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:48:30,420 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842550546] [2022-03-20 07:48:30,420 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842550546] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-20 07:48:30,420 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [900883116] [2022-03-20 07:48:30,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:48:30,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-20 07:48:30,420 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 07:48:30,421 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-20 07:48:30,461 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-20 07:48:31,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:48:31,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 1730 conjuncts, 29 conjunts are in the unsatisfiable core [2022-03-20 07:48:31,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-20 07:48:31,832 INFO L356 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-03-20 07:48:31,832 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 18 treesize of output 19 [2022-03-20 07:48:31,872 INFO L356 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-03-20 07:48:31,872 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 7 [2022-03-20 07:48:32,014 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 20 treesize of output 8 [2022-03-20 07:48:32,163 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 13 treesize of output 9 [2022-03-20 07:48:32,176 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 31 treesize of output 19 [2022-03-20 07:48:32,178 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 19 treesize of output 13 [2022-03-20 07:48:32,192 INFO L356 Elim1Store]: treesize reduction 25, result has 43.2 percent of original size [2022-03-20 07:48:32,192 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 1 case distinctions, treesize of input 23 treesize of output 32 [2022-03-20 07:48:32,242 INFO L356 Elim1Store]: treesize reduction 66, result has 30.5 percent of original size [2022-03-20 07:48:32,243 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 54 [2022-03-20 07:48:32,347 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 29 treesize of output 11 [2022-03-20 07:48:32,368 INFO L134 CoverageAnalysis]: Checked inductivity of 897 backedges. 188 proven. 141 refuted. 0 times theorem prover too weak. 568 trivial. 0 not checked. [2022-03-20 07:48:32,368 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-20 07:48:32,422 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 38 treesize of output 26 [2022-03-20 07:48:32,424 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 26 treesize of output 20 [2022-03-20 07:48:34,427 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_arrayElimCell_21 Int) (v_arrayElimCell_22 Int)) (not (= 8545 (select (select (store |c_#memory_int| v_arrayElimCell_21 (store (select |c_#memory_int| v_arrayElimCell_21) (+ 844 v_arrayElimCell_22) 3)) c_ssl3_accept_~s.base) (+ 52 c_ssl3_accept_~s.offset))))) is different from false [2022-03-20 07:48:34,720 INFO L134 CoverageAnalysis]: Checked inductivity of 897 backedges. 194 proven. 0 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2022-03-20 07:48:34,721 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [900883116] provided 1 perfect and 1 imperfect interpolant sequences [2022-03-20 07:48:34,721 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-03-20 07:48:34,721 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 10] total 14 [2022-03-20 07:48:34,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800106986] [2022-03-20 07:48:34,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:48:34,721 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:48:34,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:48:34,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:48:34,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=124, Unknown=1, NotChecked=22, Total=182 [2022-03-20 07:48:34,722 INFO L87 Difference]: Start difference. First operand 7783 states and 10670 transitions. Second operand has 5 states, 5 states have (on average 27.2) internal successors, (136), 5 states have internal predecessors, (136), 1 states have call successors, (3), 1 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 07:48:37,792 WARN L833 $PredicateComparison]: unable to prove that (and (forall ((v_arrayElimCell_21 Int) (v_arrayElimCell_22 Int)) (not (= 8545 (select (select (store |c_#memory_int| v_arrayElimCell_21 (store (select |c_#memory_int| v_arrayElimCell_21) (+ 844 v_arrayElimCell_22) 3)) c_ssl3_accept_~s.base) (+ 52 c_ssl3_accept_~s.offset))))) (not (= 8545 (select (select |c_#memory_int| c_ssl3_accept_~s.base) (+ 52 c_ssl3_accept_~s.offset))))) is different from false [2022-03-20 07:48:37,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:48:37,907 INFO L93 Difference]: Finished difference Result 8631 states and 11798 transitions. [2022-03-20 07:48:37,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:48:37,907 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.2) internal successors, (136), 5 states have internal predecessors, (136), 1 states have call successors, (3), 1 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 320 [2022-03-20 07:48:37,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:48:37,914 INFO L225 Difference]: With dead ends: 8631 [2022-03-20 07:48:37,915 INFO L226 Difference]: Without dead ends: 8631 [2022-03-20 07:48:37,915 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 654 GetRequests, 640 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=42, Invalid=146, Unknown=2, NotChecked=50, Total=240 [2022-03-20 07:48:37,915 INFO L913 BasicCegarLoop]: 146 mSDtfsCounter, 112 mSDsluCounter, 359 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 505 SdHoareTripleChecker+Invalid, 542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 254 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-03-20 07:48:37,915 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [112 Valid, 505 Invalid, 542 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 238 Invalid, 0 Unknown, 254 Unchecked, 1.2s Time] [2022-03-20 07:48:37,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8631 states. [2022-03-20 07:48:37,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8631 to 7609. [2022-03-20 07:48:37,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7609 states, 7604 states have (on average 1.3711204629142557) internal successors, (10426), 7604 states have internal predecessors, (10426), 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 07:48:37,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7609 states to 7609 states and 10430 transitions. [2022-03-20 07:48:37,965 INFO L78 Accepts]: Start accepts. Automaton has 7609 states and 10430 transitions. Word has length 320 [2022-03-20 07:48:37,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:48:37,965 INFO L478 AbstractCegarLoop]: Abstraction has 7609 states and 10430 transitions. [2022-03-20 07:48:37,965 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.2) internal successors, (136), 5 states have internal predecessors, (136), 1 states have call successors, (3), 1 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 07:48:37,965 INFO L276 IsEmpty]: Start isEmpty. Operand 7609 states and 10430 transitions. [2022-03-20 07:48:37,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2022-03-20 07:48:37,971 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:48:37,971 INFO L499 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:48:37,995 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-20 07:48:38,191 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable73 [2022-03-20 07:48:38,191 INFO L403 AbstractCegarLoop]: === Iteration 75 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:48:38,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:48:38,192 INFO L85 PathProgramCache]: Analyzing trace with hash 67046501, now seen corresponding path program 1 times [2022-03-20 07:48:38,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:48:38,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405513212] [2022-03-20 07:48:38,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:48:38,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:48:38,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:48:38,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:48:38,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:48:38,560 INFO L134 CoverageAnalysis]: Checked inductivity of 905 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 905 trivial. 0 not checked. [2022-03-20 07:48:38,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:48:38,560 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405513212] [2022-03-20 07:48:38,560 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1405513212] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:48:38,560 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:48:38,560 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-20 07:48:38,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287603547] [2022-03-20 07:48:38,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:48:38,561 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-20 07:48:38,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:48:38,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-20 07:48:38,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-03-20 07:48:38,561 INFO L87 Difference]: Start difference. First operand 7609 states and 10430 transitions. Second operand has 7 states, 6 states have (on average 14.0) internal successors, (84), 5 states have internal predecessors, (84), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:48:40,426 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:48:42,453 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:48:44,478 WARN L534 Checker$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 07:48:46,782 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:48:48,207 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:48:48,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:48:48,615 INFO L93 Difference]: Finished difference Result 7617 states and 10440 transitions. [2022-03-20 07:48:48,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-20 07:48:48,616 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 14.0) internal successors, (84), 5 states have internal predecessors, (84), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 324 [2022-03-20 07:48:48,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:48:48,621 INFO L225 Difference]: With dead ends: 7617 [2022-03-20 07:48:48,621 INFO L226 Difference]: Without dead ends: 7609 [2022-03-20 07:48:48,621 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-03-20 07:48:48,622 INFO L913 BasicCegarLoop]: 209 mSDtfsCounter, 7 mSDsluCounter, 633 mSDsCounter, 0 mSdLazyCounter, 442 mSolverCounterSat, 4 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 842 SdHoareTripleChecker+Invalid, 448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 442 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2022-03-20 07:48:48,622 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 842 Invalid, 448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 442 Invalid, 2 Unknown, 0 Unchecked, 10.0s Time] [2022-03-20 07:48:48,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7609 states. [2022-03-20 07:48:48,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7609 to 7609. [2022-03-20 07:48:48,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7609 states, 7604 states have (on average 1.3709889531825354) internal successors, (10425), 7604 states have internal predecessors, (10425), 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 07:48:48,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7609 states to 7609 states and 10429 transitions. [2022-03-20 07:48:48,672 INFO L78 Accepts]: Start accepts. Automaton has 7609 states and 10429 transitions. Word has length 324 [2022-03-20 07:48:48,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:48:48,672 INFO L478 AbstractCegarLoop]: Abstraction has 7609 states and 10429 transitions. [2022-03-20 07:48:48,672 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 14.0) internal successors, (84), 5 states have internal predecessors, (84), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:48:48,673 INFO L276 IsEmpty]: Start isEmpty. Operand 7609 states and 10429 transitions. [2022-03-20 07:48:48,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2022-03-20 07:48:48,678 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:48:48,678 INFO L499 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:48:48,679 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2022-03-20 07:48:48,679 INFO L403 AbstractCegarLoop]: === Iteration 76 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:48:48,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:48:48,679 INFO L85 PathProgramCache]: Analyzing trace with hash -762602492, now seen corresponding path program 1 times [2022-03-20 07:48:48,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:48:48,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181731233] [2022-03-20 07:48:48,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:48:48,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:48:48,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:48:49,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:48:49,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:48:49,538 INFO L134 CoverageAnalysis]: Checked inductivity of 905 backedges. 399 proven. 413 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-03-20 07:48:49,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:48:49,538 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181731233] [2022-03-20 07:48:49,538 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181731233] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-20 07:48:49,538 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1136840559] [2022-03-20 07:48:49,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:48:49,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-20 07:48:49,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 07:48:49,540 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-20 07:48:49,541 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-20 07:48:50,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:48:51,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 1689 conjuncts, 101 conjunts are in the unsatisfiable core [2022-03-20 07:48:51,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-20 07:48:51,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:48:51,089 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2022-03-20 07:48:51,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:48:51,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:48:51,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:48:51,228 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-20 07:48:51,228 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 28 treesize of output 10 [2022-03-20 07:48:51,352 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 9 treesize of output 3 [2022-03-20 07:48:51,362 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 6 treesize of output 5 [2022-03-20 07:48:51,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:48:51,505 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 44 [2022-03-20 07:48:51,527 INFO L356 Elim1Store]: treesize reduction 72, result has 40.0 percent of original size [2022-03-20 07:48:51,527 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 41 treesize of output 60 [2022-03-20 07:48:51,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:48:51,530 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 66 [2022-03-20 07:48:52,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:48:52,120 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 57 [2022-03-20 07:48:52,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:48:52,139 INFO L356 Elim1Store]: treesize reduction 127, result has 14.2 percent of original size [2022-03-20 07:48:52,139 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 59 treesize of output 49 [2022-03-20 07:48:52,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:48:52,144 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 51 [2022-03-20 07:48:52,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:48:52,196 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 51 [2022-03-20 07:48:52,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:48:52,216 INFO L356 Elim1Store]: treesize reduction 77, result has 35.8 percent of original size [2022-03-20 07:48:52,216 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 44 treesize of output 68 [2022-03-20 07:48:52,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:48:52,220 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 67 [2022-03-20 07:48:52,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:48:52,946 INFO L356 Elim1Store]: treesize reduction 60, result has 45.9 percent of original size [2022-03-20 07:48:52,947 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 160 treesize of output 155 [2022-03-20 07:48:52,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:48:52,973 INFO L356 Elim1Store]: treesize reduction 40, result has 49.4 percent of original size [2022-03-20 07:48:52,973 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 137 treesize of output 132 [2022-03-20 07:48:53,007 INFO L356 Elim1Store]: treesize reduction 53, result has 48.5 percent of original size [2022-03-20 07:48:53,007 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 75 [2022-03-20 07:48:56,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:48:56,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:48:56,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:48:56,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:48:56,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:48:56,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:48:56,176 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 289 treesize of output 247 [2022-03-20 07:48:56,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:48:56,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:48:56,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:48:56,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:48:56,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:48:56,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:48:56,185 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 289 treesize of output 247 [2022-03-20 07:48:56,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:48:56,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:48:56,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:48:56,213 INFO L356 Elim1Store]: treesize reduction 85, result has 18.3 percent of original size [2022-03-20 07:48:56,213 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 289 treesize of output 293 [2022-03-20 07:49:52,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:49:52,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:49:52,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:49:52,643 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 284 treesize of output 238 [2022-03-20 07:49:52,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:49:52,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:49:52,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:49:52,652 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 284 treesize of output 238 [2022-03-20 07:49:52,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:49:52,675 INFO L356 Elim1Store]: treesize reduction 51, result has 15.0 percent of original size [2022-03-20 07:49:52,675 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 284 treesize of output 274 [2022-03-20 07:49:54,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:49:54,404 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 150 treesize of output 114 [2022-03-20 07:49:54,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:49:54,410 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 72 [2022-03-20 07:49:54,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:49:54,438 INFO L356 Elim1Store]: treesize reduction 143, result has 11.7 percent of original size [2022-03-20 07:49:54,439 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 91 treesize of output 87 [2022-03-20 07:49:54,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:49:54,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:49:54,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:49:54,538 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-20 07:49:54,539 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 35 [2022-03-20 07:49:54,727 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-20 07:49:54,727 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 11 [2022-03-20 07:49:54,756 INFO L134 CoverageAnalysis]: Checked inductivity of 905 backedges. 453 proven. 331 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2022-03-20 07:49:54,757 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-20 07:49:57,286 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-20 07:49:57,287 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-20 07:49:57,287 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 268 treesize of output 214 [2022-03-20 07:49:57,937 INFO L134 CoverageAnalysis]: Checked inductivity of 905 backedges. 581 proven. 141 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2022-03-20 07:49:57,937 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1136840559] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-20 07:49:57,937 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-20 07:49:57,937 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20, 13] total 46 [2022-03-20 07:49:57,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029727326] [2022-03-20 07:49:57,938 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-20 07:49:57,938 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2022-03-20 07:49:57,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:49:57,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2022-03-20 07:49:57,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=279, Invalid=1791, Unknown=0, NotChecked=0, Total=2070 [2022-03-20 07:49:57,939 INFO L87 Difference]: Start difference. First operand 7609 states and 10429 transitions. Second operand has 46 states, 46 states have (on average 13.065217391304348) internal successors, (601), 44 states have internal predecessors, (601), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:49:59,127 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:50:00,949 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:50:02,975 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:50:04,997 WARN L534 Checker$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 07:50:07,516 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:50:09,540 WARN L534 Checker$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 07:50:11,976 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 07:50:27,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:50:27,593 INFO L93 Difference]: Finished difference Result 28677 states and 38461 transitions. [2022-03-20 07:50:27,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. [2022-03-20 07:50:27,594 INFO L78 Accepts]: Start accepts. Automaton has has 46 states, 46 states have (on average 13.065217391304348) internal successors, (601), 44 states have internal predecessors, (601), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 324 [2022-03-20 07:50:27,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:50:27,622 INFO L225 Difference]: With dead ends: 28677 [2022-03-20 07:50:27,622 INFO L226 Difference]: Without dead ends: 28677 [2022-03-20 07:50:27,624 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 925 GetRequests, 731 SyntacticMatches, 5 SemanticMatches, 189 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12710 ImplicationChecksByTransitivity, 8.7s TimeCoverageRelationStatistics Valid=4159, Invalid=32131, Unknown=0, NotChecked=0, Total=36290 [2022-03-20 07:50:27,625 INFO L913 BasicCegarLoop]: 632 mSDtfsCounter, 3224 mSDsluCounter, 9443 mSDsCounter, 0 mSdLazyCounter, 9603 mSolverCounterSat, 508 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3224 SdHoareTripleChecker+Valid, 10075 SdHoareTripleChecker+Invalid, 12655 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 508 IncrementalHoareTripleChecker+Valid, 9603 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 2539 IncrementalHoareTripleChecker+Unchecked, 22.2s IncrementalHoareTripleChecker+Time [2022-03-20 07:50:27,625 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [3224 Valid, 10075 Invalid, 12655 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [508 Valid, 9603 Invalid, 5 Unknown, 2539 Unchecked, 22.2s Time] [2022-03-20 07:50:27,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28677 states. [2022-03-20 07:50:27,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28677 to 16886. [2022-03-20 07:50:27,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16886 states, 16881 states have (on average 1.366625199928914) internal successors, (23070), 16881 states have internal predecessors, (23070), 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 07:50:27,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16886 states to 16886 states and 23074 transitions. [2022-03-20 07:50:27,842 INFO L78 Accepts]: Start accepts. Automaton has 16886 states and 23074 transitions. Word has length 324 [2022-03-20 07:50:27,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:50:27,843 INFO L478 AbstractCegarLoop]: Abstraction has 16886 states and 23074 transitions. [2022-03-20 07:50:27,843 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 13.065217391304348) internal successors, (601), 44 states have internal predecessors, (601), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:50:27,843 INFO L276 IsEmpty]: Start isEmpty. Operand 16886 states and 23074 transitions. [2022-03-20 07:50:27,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2022-03-20 07:50:27,857 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:50:27,857 INFO L499 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 10, 10, 10, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:50:27,881 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-20 07:50:28,081 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-20 07:50:28,082 INFO L403 AbstractCegarLoop]: === Iteration 77 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:50:28,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:50:28,082 INFO L85 PathProgramCache]: Analyzing trace with hash 1527275854, now seen corresponding path program 1 times [2022-03-20 07:50:28,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:50:28,082 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126360563] [2022-03-20 07:50:28,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:50:28,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:50:28,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:50:28,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:50:28,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:50:28,268 INFO L134 CoverageAnalysis]: Checked inductivity of 1151 backedges. 678 proven. 0 refuted. 0 times theorem prover too weak. 473 trivial. 0 not checked. [2022-03-20 07:50:28,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:50:28,268 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126360563] [2022-03-20 07:50:28,268 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1126360563] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:50:28,268 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:50:28,268 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:50:28,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377081667] [2022-03-20 07:50:28,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:50:28,269 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:50:28,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:50:28,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:50:28,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:50:28,269 INFO L87 Difference]: Start difference. First operand 16886 states and 23074 transitions. Second operand has 5 states, 5 states have (on average 30.8) internal successors, (154), 4 states have internal predecessors, (154), 1 states have call successors, (3), 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 07:50:30,556 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:50:32,507 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:50:34,537 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:50:34,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:50:34,971 INFO L93 Difference]: Finished difference Result 17849 states and 23884 transitions. [2022-03-20 07:50:34,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:50:34,971 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 30.8) internal successors, (154), 4 states have internal predecessors, (154), 1 states have call successors, (3), 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 324 [2022-03-20 07:50:34,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:50:34,989 INFO L225 Difference]: With dead ends: 17849 [2022-03-20 07:50:34,989 INFO L226 Difference]: Without dead ends: 17849 [2022-03-20 07:50:34,990 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 07:50:34,990 INFO L913 BasicCegarLoop]: 150 mSDtfsCounter, 113 mSDsluCounter, 263 mSDsCounter, 0 mSdLazyCounter, 474 mSolverCounterSat, 50 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 413 SdHoareTripleChecker+Invalid, 525 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 474 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2022-03-20 07:50:34,991 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [113 Valid, 413 Invalid, 525 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 474 Invalid, 1 Unknown, 0 Unchecked, 6.7s Time] [2022-03-20 07:50:34,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17849 states. [2022-03-20 07:50:35,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17849 to 16886. [2022-03-20 07:50:35,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16886 states, 16881 states have (on average 1.3402642023576803) internal successors, (22625), 16881 states have internal predecessors, (22625), 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 07:50:35,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16886 states to 16886 states and 22629 transitions. [2022-03-20 07:50:35,156 INFO L78 Accepts]: Start accepts. Automaton has 16886 states and 22629 transitions. Word has length 324 [2022-03-20 07:50:35,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:50:35,156 INFO L478 AbstractCegarLoop]: Abstraction has 16886 states and 22629 transitions. [2022-03-20 07:50:35,156 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 30.8) internal successors, (154), 4 states have internal predecessors, (154), 1 states have call successors, (3), 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 07:50:35,156 INFO L276 IsEmpty]: Start isEmpty. Operand 16886 states and 22629 transitions. [2022-03-20 07:50:35,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2022-03-20 07:50:35,169 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:50:35,169 INFO L499 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 10, 10, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:50:35,170 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2022-03-20 07:50:35,170 INFO L403 AbstractCegarLoop]: === Iteration 78 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:50:35,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:50:35,170 INFO L85 PathProgramCache]: Analyzing trace with hash 1144040136, now seen corresponding path program 1 times [2022-03-20 07:50:35,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:50:35,170 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783711968] [2022-03-20 07:50:35,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:50:35,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:50:35,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:50:35,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:50:35,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:50:35,401 INFO L134 CoverageAnalysis]: Checked inductivity of 1161 backedges. 688 proven. 0 refuted. 0 times theorem prover too weak. 473 trivial. 0 not checked. [2022-03-20 07:50:35,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:50:35,402 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783711968] [2022-03-20 07:50:35,402 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783711968] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:50:35,402 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:50:35,402 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:50:35,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826265768] [2022-03-20 07:50:35,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:50:35,402 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:50:35,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:50:35,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:50:35,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:50:35,403 INFO L87 Difference]: Start difference. First operand 16886 states and 22629 transitions. Second operand has 5 states, 5 states have (on average 31.0) internal successors, (155), 4 states have internal predecessors, (155), 1 states have call successors, (3), 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 07:50:38,330 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:50:40,358 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:50:42,383 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 07:50:42,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:50:42,755 INFO L93 Difference]: Finished difference Result 17081 states and 22793 transitions. [2022-03-20 07:50:42,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:50:42,755 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 31.0) internal successors, (155), 4 states have internal predecessors, (155), 1 states have call successors, (3), 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 325 [2022-03-20 07:50:42,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:50:42,776 INFO L225 Difference]: With dead ends: 17081 [2022-03-20 07:50:42,776 INFO L226 Difference]: Without dead ends: 17081 [2022-03-20 07:50:42,776 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 07:50:42,776 INFO L913 BasicCegarLoop]: 202 mSDtfsCounter, 36 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 427 mSolverCounterSat, 7 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 517 SdHoareTripleChecker+Invalid, 437 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 427 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2022-03-20 07:50:42,776 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [36 Valid, 517 Invalid, 437 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 427 Invalid, 3 Unknown, 0 Unchecked, 7.3s Time] [2022-03-20 07:50:42,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17081 states. [2022-03-20 07:50:42,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17081 to 16886. [2022-03-20 07:50:42,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16886 states, 16881 states have (on average 1.3376577216989516) internal successors, (22581), 16881 states have internal predecessors, (22581), 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 07:50:42,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16886 states to 16886 states and 22585 transitions. [2022-03-20 07:50:42,938 INFO L78 Accepts]: Start accepts. Automaton has 16886 states and 22585 transitions. Word has length 325 [2022-03-20 07:50:42,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:50:42,938 INFO L478 AbstractCegarLoop]: Abstraction has 16886 states and 22585 transitions. [2022-03-20 07:50:42,938 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 31.0) internal successors, (155), 4 states have internal predecessors, (155), 1 states have call successors, (3), 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 07:50:42,938 INFO L276 IsEmpty]: Start isEmpty. Operand 16886 states and 22585 transitions. [2022-03-20 07:50:42,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2022-03-20 07:50:42,953 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:50:42,953 INFO L499 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 10, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:50:42,953 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2022-03-20 07:50:42,953 INFO L403 AbstractCegarLoop]: === Iteration 79 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:50:42,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:50:42,953 INFO L85 PathProgramCache]: Analyzing trace with hash 1094574037, now seen corresponding path program 1 times [2022-03-20 07:50:42,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:50:42,953 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056858237] [2022-03-20 07:50:42,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:50:42,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:50:43,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:50:43,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:50:43,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:50:43,224 INFO L134 CoverageAnalysis]: Checked inductivity of 1171 backedges. 698 proven. 0 refuted. 0 times theorem prover too weak. 473 trivial. 0 not checked. [2022-03-20 07:50:43,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:50:43,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056858237] [2022-03-20 07:50:43,224 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056858237] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:50:43,224 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:50:43,224 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:50:43,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555287957] [2022-03-20 07:50:43,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:50:43,225 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:50:43,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:50:43,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:50:43,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:50:43,225 INFO L87 Difference]: Start difference. First operand 16886 states and 22585 transitions. Second operand has 5 states, 5 states have (on average 31.2) internal successors, (156), 4 states have internal predecessors, (156), 1 states have call successors, (3), 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 07:50:45,243 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 07:50:45,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:50:45,683 INFO L93 Difference]: Finished difference Result 17368 states and 22792 transitions. [2022-03-20 07:50:45,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:50:45,684 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 31.2) internal successors, (156), 4 states have internal predecessors, (156), 1 states have call successors, (3), 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 326 [2022-03-20 07:50:45,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:50:45,701 INFO L225 Difference]: With dead ends: 17368 [2022-03-20 07:50:45,701 INFO L226 Difference]: Without dead ends: 17349 [2022-03-20 07:50:45,701 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 07:50:45,702 INFO L913 BasicCegarLoop]: 134 mSDtfsCounter, 119 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 460 mSolverCounterSat, 52 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 513 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 460 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-20 07:50:45,702 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [119 Valid, 376 Invalid, 513 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 460 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-20 07:50:45,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17349 states. [2022-03-20 07:50:45,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17349 to 11844. [2022-03-20 07:50:45,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11844 states, 11839 states have (on average 1.3242672523017147) internal successors, (15678), 11839 states have internal predecessors, (15678), 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 07:50:45,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11844 states to 11844 states and 15682 transitions. [2022-03-20 07:50:45,827 INFO L78 Accepts]: Start accepts. Automaton has 11844 states and 15682 transitions. Word has length 326 [2022-03-20 07:50:45,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:50:45,827 INFO L478 AbstractCegarLoop]: Abstraction has 11844 states and 15682 transitions. [2022-03-20 07:50:45,827 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 31.2) internal successors, (156), 4 states have internal predecessors, (156), 1 states have call successors, (3), 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 07:50:45,828 INFO L276 IsEmpty]: Start isEmpty. Operand 11844 states and 15682 transitions. [2022-03-20 07:50:45,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2022-03-20 07:50:45,836 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:50:45,836 INFO L499 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 9, 9, 7, 7, 5, 5, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:50:45,836 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2022-03-20 07:50:45,836 INFO L403 AbstractCegarLoop]: === Iteration 80 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:50:45,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:50:45,836 INFO L85 PathProgramCache]: Analyzing trace with hash 2043372826, now seen corresponding path program 1 times [2022-03-20 07:50:45,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:50:45,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125905862] [2022-03-20 07:50:45,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:50:45,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:50:45,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:50:46,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:50:46,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:50:46,068 INFO L134 CoverageAnalysis]: Checked inductivity of 1043 backedges. 516 proven. 114 refuted. 0 times theorem prover too weak. 413 trivial. 0 not checked. [2022-03-20 07:50:46,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:50:46,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125905862] [2022-03-20 07:50:46,068 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [125905862] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-20 07:50:46,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1453776645] [2022-03-20 07:50:46,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:50:46,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-20 07:50:46,068 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 07:50:46,069 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-20 07:50:46,070 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-20 07:50:47,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:50:47,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 1800 conjuncts, 13 conjunts are in the unsatisfiable core [2022-03-20 07:50:47,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-20 07:50:47,605 INFO L356 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-03-20 07:50:47,605 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 18 treesize of output 19 [2022-03-20 07:50:47,645 INFO L356 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-03-20 07:50:47,646 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 7 [2022-03-20 07:50:47,890 INFO L356 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-03-20 07:50:47,891 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 18 treesize of output 19 [2022-03-20 07:50:47,931 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 19 treesize of output 7 [2022-03-20 07:50:48,001 INFO L134 CoverageAnalysis]: Checked inductivity of 1043 backedges. 502 proven. 112 refuted. 0 times theorem prover too weak. 429 trivial. 0 not checked. [2022-03-20 07:50:48,001 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-20 07:50:48,313 INFO L134 CoverageAnalysis]: Checked inductivity of 1043 backedges. 507 proven. 0 refuted. 0 times theorem prover too weak. 536 trivial. 0 not checked. [2022-03-20 07:50:48,313 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1453776645] provided 1 perfect and 1 imperfect interpolant sequences [2022-03-20 07:50:48,313 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-03-20 07:50:48,314 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7, 5] total 12 [2022-03-20 07:50:48,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994901065] [2022-03-20 07:50:48,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:50:48,314 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 07:50:48,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:50:48,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 07:50:48,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2022-03-20 07:50:48,314 INFO L87 Difference]: Start difference. First operand 11844 states and 15682 transitions. Second operand has 4 states, 4 states have (on average 39.25) internal successors, (157), 4 states have internal predecessors, (157), 1 states have call successors, (3), 1 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 07:50:49,997 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:50:50,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:50:50,244 INFO L93 Difference]: Finished difference Result 12371 states and 16194 transitions. [2022-03-20 07:50:50,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 07:50:50,244 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 39.25) internal successors, (157), 4 states have internal predecessors, (157), 1 states have call successors, (3), 1 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 326 [2022-03-20 07:50:50,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:50:50,257 INFO L225 Difference]: With dead ends: 12371 [2022-03-20 07:50:50,257 INFO L226 Difference]: Without dead ends: 12371 [2022-03-20 07:50:50,258 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 662 GetRequests, 651 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2022-03-20 07:50:50,258 INFO L913 BasicCegarLoop]: 199 mSDtfsCounter, 74 mSDsluCounter, 311 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 510 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-03-20 07:50:50,259 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [74 Valid, 510 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-03-20 07:50:50,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12371 states. [2022-03-20 07:50:50,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12371 to 11693. [2022-03-20 07:50:50,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11693 states, 11688 states have (on average 1.3129705681040382) internal successors, (15346), 11688 states have internal predecessors, (15346), 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 07:50:50,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11693 states to 11693 states and 15350 transitions. [2022-03-20 07:50:50,382 INFO L78 Accepts]: Start accepts. Automaton has 11693 states and 15350 transitions. Word has length 326 [2022-03-20 07:50:50,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:50:50,382 INFO L478 AbstractCegarLoop]: Abstraction has 11693 states and 15350 transitions. [2022-03-20 07:50:50,382 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 39.25) internal successors, (157), 4 states have internal predecessors, (157), 1 states have call successors, (3), 1 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 07:50:50,382 INFO L276 IsEmpty]: Start isEmpty. Operand 11693 states and 15350 transitions. [2022-03-20 07:50:50,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2022-03-20 07:50:50,391 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:50:50,391 INFO L499 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 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 07:50:50,417 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-20 07:50:50,616 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-20 07:50:50,616 INFO L403 AbstractCegarLoop]: === Iteration 81 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:50:50,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:50:50,617 INFO L85 PathProgramCache]: Analyzing trace with hash -1139404425, now seen corresponding path program 1 times [2022-03-20 07:50:50,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:50:50,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676030079] [2022-03-20 07:50:50,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:50:50,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:50:50,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:50:50,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:50:50,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:50:50,772 INFO L134 CoverageAnalysis]: Checked inductivity of 984 backedges. 630 proven. 0 refuted. 0 times theorem prover too weak. 354 trivial. 0 not checked. [2022-03-20 07:50:50,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:50:50,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676030079] [2022-03-20 07:50:50,772 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676030079] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:50:50,772 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:50:50,772 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:50:50,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294117344] [2022-03-20 07:50:50,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:50:50,773 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:50:50,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:50:50,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:50:50,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:50:50,773 INFO L87 Difference]: Start difference. First operand 11693 states and 15350 transitions. Second operand has 5 states, 5 states have (on average 30.6) internal successors, (153), 4 states have internal predecessors, (153), 1 states have call successors, (3), 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 07:50:52,780 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:50:53,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:50:53,108 INFO L93 Difference]: Finished difference Result 11510 states and 15105 transitions. [2022-03-20 07:50:53,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:50:53,108 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 30.6) internal successors, (153), 4 states have internal predecessors, (153), 1 states have call successors, (3), 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 335 [2022-03-20 07:50:53,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:50:53,119 INFO L225 Difference]: With dead ends: 11510 [2022-03-20 07:50:53,119 INFO L226 Difference]: Without dead ends: 11082 [2022-03-20 07:50:53,119 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 07:50:53,119 INFO L913 BasicCegarLoop]: 220 mSDtfsCounter, 10 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 365 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 553 SdHoareTripleChecker+Invalid, 370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 365 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-03-20 07:50:53,120 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 553 Invalid, 370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 365 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-03-20 07:50:53,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11082 states. [2022-03-20 07:50:53,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11082 to 10919. [2022-03-20 07:50:53,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10919 states, 10914 states have (on average 1.3120762323621038) internal successors, (14320), 10914 states have internal predecessors, (14320), 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 07:50:53,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10919 states to 10919 states and 14324 transitions. [2022-03-20 07:50:53,268 INFO L78 Accepts]: Start accepts. Automaton has 10919 states and 14324 transitions. Word has length 335 [2022-03-20 07:50:53,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:50:53,268 INFO L478 AbstractCegarLoop]: Abstraction has 10919 states and 14324 transitions. [2022-03-20 07:50:53,268 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 30.6) internal successors, (153), 4 states have internal predecessors, (153), 1 states have call successors, (3), 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 07:50:53,268 INFO L276 IsEmpty]: Start isEmpty. Operand 10919 states and 14324 transitions. [2022-03-20 07:50:53,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2022-03-20 07:50:53,275 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:50:53,275 INFO L499 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 9, 9, 8, 8, 7, 7, 5, 5, 5, 5, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:50:53,275 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2022-03-20 07:50:53,275 INFO L403 AbstractCegarLoop]: === Iteration 82 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:50:53,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:50:53,276 INFO L85 PathProgramCache]: Analyzing trace with hash -1477891400, now seen corresponding path program 1 times [2022-03-20 07:50:53,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:50:53,276 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810606167] [2022-03-20 07:50:53,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:50:53,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:50:54,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:50:55,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:50:55,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:50:55,173 INFO L134 CoverageAnalysis]: Checked inductivity of 1117 backedges. 391 proven. 643 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2022-03-20 07:50:55,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:50:55,173 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810606167] [2022-03-20 07:50:55,173 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810606167] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-20 07:50:55,173 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [313603877] [2022-03-20 07:50:55,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:50:55,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-20 07:50:55,173 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 07:50:55,174 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-20 07:50:55,175 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-20 07:50:56,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:50:56,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 1845 conjuncts, 124 conjunts are in the unsatisfiable core [2022-03-20 07:50:56,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-20 07:50:56,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:50:56,857 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-20 07:50:56,857 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 7 [2022-03-20 07:50:56,989 INFO L356 Elim1Store]: treesize reduction 73, result has 37.1 percent of original size [2022-03-20 07:50:56,990 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 97 treesize of output 232 [2022-03-20 07:50:57,049 INFO L356 Elim1Store]: treesize reduction 30, result has 38.8 percent of original size [2022-03-20 07:50:57,052 WARN L319 FreeRefinementEngine]: Global settings require throwing the following exception [2022-03-20 07:50:57,078 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-03-20 07:50:57,266 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-20 07:50:57,267 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: var is still there: |v_#memory_$Pointer$.base_1145| input size 98 context size 98 output size 98 at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1(Elim1Store.java:364) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:427) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminate(DualJunctionSaa.java:184) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne3(DualJunctionSaa.java:166) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne2(DualJunctionSaa.java:154) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne1(DualJunctionSaa.java:142) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne0(DualJunctionSaa.java:126) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne(DualJunctionSaa.java:110) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryExhaustivelyToEliminate(DualJunctionSaa.java:95) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminate(DualJunctionSaa.java:90) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToEliminateOne(QuantifierPusher.java:904) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyNewEliminationTechniquesExhaustively(QuantifierPusher.java:865) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyDualJunctionEliminationTechniques(QuantifierPusher.java:783) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective2(QuantifierPusher.java:425) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:355) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:172) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:169) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:77) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:261) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:247) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:92) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:238) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:420) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:199) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:299) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:266) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:147) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:595) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:414) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:349) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:331) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:414) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:264) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:177) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:156) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-03-20 07:50:57,273 INFO L158 Benchmark]: Toolchain (without parser) took 532664.59ms. Allocated memory was 209.7MB in the beginning and 666.9MB in the end (delta: 457.2MB). Free memory was 152.6MB in the beginning and 226.3MB in the end (delta: -73.7MB). Peak memory consumption was 383.1MB. Max. memory is 8.0GB. [2022-03-20 07:50:57,274 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 209.7MB. Free memory is still 171.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-20 07:50:57,274 INFO L158 Benchmark]: CACSL2BoogieTranslator took 519.72ms. Allocated memory was 209.7MB in the beginning and 264.2MB in the end (delta: 54.5MB). Free memory was 152.5MB in the beginning and 214.9MB in the end (delta: -62.4MB). Peak memory consumption was 12.1MB. Max. memory is 8.0GB. [2022-03-20 07:50:57,274 INFO L158 Benchmark]: Boogie Preprocessor took 114.31ms. Allocated memory is still 264.2MB. Free memory was 214.9MB in the beginning and 207.2MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2022-03-20 07:50:57,274 INFO L158 Benchmark]: RCFGBuilder took 1414.39ms. Allocated memory is still 264.2MB. Free memory was 207.2MB in the beginning and 194.3MB in the end (delta: 12.9MB). Peak memory consumption was 46.1MB. Max. memory is 8.0GB. [2022-03-20 07:50:57,274 INFO L158 Benchmark]: IcfgTransformer took 53.88ms. Allocated memory is still 264.2MB. Free memory was 194.3MB in the beginning and 188.5MB in the end (delta: 5.8MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2022-03-20 07:50:57,274 INFO L158 Benchmark]: TraceAbstraction took 530554.21ms. Allocated memory was 264.2MB in the beginning and 666.9MB in the end (delta: 402.7MB). Free memory was 188.0MB in the beginning and 226.3MB in the end (delta: -38.3MB). Peak memory consumption was 364.9MB. Max. memory is 8.0GB. [2022-03-20 07:50:57,274 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 209.7MB. Free memory is still 171.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 519.72ms. Allocated memory was 209.7MB in the beginning and 264.2MB in the end (delta: 54.5MB). Free memory was 152.5MB in the beginning and 214.9MB in the end (delta: -62.4MB). Peak memory consumption was 12.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 114.31ms. Allocated memory is still 264.2MB. Free memory was 214.9MB in the beginning and 207.2MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * RCFGBuilder took 1414.39ms. Allocated memory is still 264.2MB. Free memory was 207.2MB in the beginning and 194.3MB in the end (delta: 12.9MB). Peak memory consumption was 46.1MB. Max. memory is 8.0GB. * IcfgTransformer took 53.88ms. Allocated memory is still 264.2MB. Free memory was 194.3MB in the beginning and 188.5MB in the end (delta: 5.8MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * TraceAbstraction took 530554.21ms. Allocated memory was 264.2MB in the beginning and 666.9MB in the end (delta: 402.7MB). Free memory was 188.0MB in the beginning and 226.3MB in the end (delta: -38.3MB). Peak memory consumption was 364.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: var is still there: |v_#memory_$Pointer$.base_1145| input size 98 context size 98 output size 98 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: var is still there: |v_#memory_$Pointer$.base_1145| input size 98 context size 98 output size 98: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1(Elim1Store.java:364) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-03-20 07:50:57,350 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...