/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.08.i.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-34549b5 [2022-04-06 08:42:35,564 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-06 08:42:35,573 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-06 08:42:35,611 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-06 08:42:35,612 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-06 08:42:35,612 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-06 08:42:35,613 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-06 08:42:35,614 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-06 08:42:35,615 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-06 08:42:35,616 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-06 08:42:35,616 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-06 08:42:35,617 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-06 08:42:35,617 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-06 08:42:35,618 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-06 08:42:35,619 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-06 08:42:35,619 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-06 08:42:35,620 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-06 08:42:35,620 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-06 08:42:35,621 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-06 08:42:35,622 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-06 08:42:35,623 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-06 08:42:35,627 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-06 08:42:35,629 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-06 08:42:35,630 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-06 08:42:35,630 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-06 08:42:35,632 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-06 08:42:35,632 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-06 08:42:35,632 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-06 08:42:35,633 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-06 08:42:35,633 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-06 08:42:35,634 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-06 08:42:35,634 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-06 08:42:35,634 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-06 08:42:35,635 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-06 08:42:35,635 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-06 08:42:35,636 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-06 08:42:35,636 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-06 08:42:35,636 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-06 08:42:35,636 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-06 08:42:35,637 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-06 08:42:35,637 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-06 08:42:35,638 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-06 08:42:35,638 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2022-04-06 08:42:35,643 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-06 08:42:35,644 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-06 08:42:35,645 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-06 08:42:35,645 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-06 08:42:35,645 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-06 08:42:35,645 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-06 08:42:35,645 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-06 08:42:35,645 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-06 08:42:35,645 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-06 08:42:35,645 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-06 08:42:35,645 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-06 08:42:35,646 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-06 08:42:35,646 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-06 08:42:35,646 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-06 08:42:35,646 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-06 08:42:35,646 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-06 08:42:35,646 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-04-06 08:42:35,646 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-06 08:42:35,646 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-06 08:42:35,647 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-06 08:42:35,647 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-06 08:42:35,647 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-04-06 08:42:35,647 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-06 08:42:35,825 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-06 08:42:35,841 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-06 08:42:35,843 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-06 08:42:35,843 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-06 08:42:35,845 INFO L275 PluginConnector]: CDTParser initialized [2022-04-06 08:42:35,845 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/openssl/s3_srvr.blast.08.i.cil-1.c [2022-04-06 08:42:35,895 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04427447a/0ac1802c16874acabaa86cb5daee5e9d/FLAG818dc314d [2022-04-06 08:42:36,348 INFO L306 CDTParser]: Found 1 translation units. [2022-04-06 08:42:36,349 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/openssl/s3_srvr.blast.08.i.cil-1.c [2022-04-06 08:42:36,370 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04427447a/0ac1802c16874acabaa86cb5daee5e9d/FLAG818dc314d [2022-04-06 08:42:36,383 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04427447a/0ac1802c16874acabaa86cb5daee5e9d [2022-04-06 08:42:36,385 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-06 08:42:36,386 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-04-06 08:42:36,387 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-06 08:42:36,387 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-06 08:42:36,389 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-06 08:42:36,390 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.04 08:42:36" (1/1) ... [2022-04-06 08:42:36,390 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@610ef9fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 08:42:36, skipping insertion in model container [2022-04-06 08:42:36,390 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.04 08:42:36" (1/1) ... [2022-04-06 08:42:36,395 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-06 08:42:36,452 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-06 08:42:36,779 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.08.i.cil-1.c[74696,74709] [2022-04-06 08:42:36,785 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-06 08:42:36,802 INFO L203 MainTranslator]: Completed pre-run [2022-04-06 08:42:36,883 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.08.i.cil-1.c[74696,74709] [2022-04-06 08:42:36,889 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-06 08:42:36,899 INFO L208 MainTranslator]: Completed translation [2022-04-06 08:42:36,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 08:42:36 WrapperNode [2022-04-06 08:42:36,900 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-06 08:42:36,900 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-06 08:42:36,900 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-06 08:42:36,900 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-06 08:42:36,907 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 08:42:36" (1/1) ... [2022-04-06 08:42:36,907 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 08:42:36" (1/1) ... [2022-04-06 08:42:36,934 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 08:42:36" (1/1) ... [2022-04-06 08:42:36,934 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 08:42:36" (1/1) ... [2022-04-06 08:42:36,965 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 08:42:36" (1/1) ... [2022-04-06 08:42:36,971 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 08:42:36" (1/1) ... [2022-04-06 08:42:36,973 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 08:42:36" (1/1) ... [2022-04-06 08:42:36,977 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-06 08:42:36,977 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-06 08:42:36,977 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-06 08:42:36,978 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-06 08:42:36,991 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 08:42:36" (1/1) ... [2022-04-06 08:42:36,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-06 08:42:37,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-06 08:42:37,020 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-04-06 08:42:37,028 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-04-06 08:42:37,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-04-06 08:42:37,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-06 08:42:37,053 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-04-06 08:42:37,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_get_server_method [2022-04-06 08:42:37,053 INFO L138 BoogieDeclarations]: Found implementation of procedure SSLv3_server_method [2022-04-06 08:42:37,054 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-04-06 08:42:37,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_accept [2022-04-06 08:42:37,054 INFO L138 BoogieDeclarations]: Found implementation of procedure sslv3_base_method [2022-04-06 08:42:37,054 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-04-06 08:42:37,054 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-04-06 08:42:37,054 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-04-06 08:42:37,054 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-04-06 08:42:37,055 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-04-06 08:42:37,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-06 08:42:37,055 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2022-04-06 08:42:37,057 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2022-04-06 08:42:37,057 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-04-06 08:42:37,057 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2022-04-06 08:42:37,057 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2022-04-06 08:42:37,057 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2022-04-06 08:42:37,057 INFO L130 BoogieDeclarations]: Found specification of procedure SSLv3_server_method [2022-04-06 08:42:37,057 INFO L130 BoogieDeclarations]: Found specification of procedure sslv3_base_method [2022-04-06 08:42:37,058 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_accept [2022-04-06 08:42:37,058 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_get_server_method [2022-04-06 08:42:37,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-04-06 08:42:37,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-04-06 08:42:37,058 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-04-06 08:42:37,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-04-06 08:42:37,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-06 08:42:37,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-04-06 08:42:37,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-06 08:42:37,058 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2022-04-06 08:42:37,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-04-06 08:42:37,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-04-06 08:42:37,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-06 08:42:37,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-06 08:42:37,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-04-06 08:42:37,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-04-06 08:42:37,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-04-06 08:42:37,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-04-06 08:42:37,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-06 08:42:37,232 INFO L234 CfgBuilder]: Building ICFG [2022-04-06 08:42:37,233 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-06 08:42:37,836 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-04-06 08:42:38,247 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##87: assume false; [2022-04-06 08:42:38,247 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##88: assume !false; [2022-04-06 08:42:38,256 INFO L275 CfgBuilder]: Performing block encoding [2022-04-06 08:42:38,266 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-06 08:42:38,267 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-04-06 08:42:38,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 08:42:38 BoogieIcfgContainer [2022-04-06 08:42:38,268 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-06 08:42:38,269 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-04-06 08:42:38,269 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-04-06 08:42:38,270 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-04-06 08:42:38,272 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 08:42:38" (1/1) ... [2022-04-06 08:42:38,273 INFO L168 ansformationObserver]: Applying ICFG transformation LOOP_ACCELERATION_JORDAN [2022-04-06 08:42:38,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 06.04 08:42:38 BasicIcfg [2022-04-06 08:42:38,316 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-04-06 08:42:38,318 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-06 08:42:38,318 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-06 08:42:38,320 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-06 08:42:38,320 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.04 08:42:36" (1/4) ... [2022-04-06 08:42:38,320 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66e796c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.04 08:42:38, skipping insertion in model container [2022-04-06 08:42:38,320 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 08:42:36" (2/4) ... [2022-04-06 08:42:38,322 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66e796c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.04 08:42:38, skipping insertion in model container [2022-04-06 08:42:38,322 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 08:42:38" (3/4) ... [2022-04-06 08:42:38,323 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66e796c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.04 08:42:38, skipping insertion in model container [2022-04-06 08:42:38,323 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 06.04 08:42:38" (4/4) ... [2022-04-06 08:42:38,323 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr.blast.08.i.cil-1.cJordan [2022-04-06 08:42:38,327 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2022-04-06 08:42:38,327 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-04-06 08:42:38,360 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-06 08:42:38,364 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 [2022-04-06 08:42:38,364 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-04-06 08:42:38,395 INFO L276 IsEmpty]: Start isEmpty. Operand has 159 states, 151 states have (on average 1.7086092715231789) internal successors, (258), 152 states have internal predecessors, (258), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-06 08:42:38,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-04-06 08:42:38,404 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:42:38,404 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 08:42:38,404 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:42:38,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:42:38,408 INFO L85 PathProgramCache]: Analyzing trace with hash -1946519082, now seen corresponding path program 1 times [2022-04-06 08:42:38,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:42:38,414 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750701067] [2022-04-06 08:42:38,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:42:38,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:42:38,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:42:38,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:42:38,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:42:38,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 08:42:38,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:42:38,905 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750701067] [2022-04-06 08:42:38,906 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750701067] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:42:38,906 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:42:38,906 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-06 08:42:38,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781248123] [2022-04-06 08:42:38,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:42:38,911 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-06 08:42:38,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:42:38,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-06 08:42:38,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-06 08:42:38,941 INFO L87 Difference]: Start difference. First operand has 159 states, 151 states have (on average 1.7086092715231789) internal successors, (258), 152 states have internal predecessors, (258), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:42:40,518 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 [] [2022-04-06 08:42:42,537 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:42:44,554 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:42:45,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:42:45,793 INFO L93 Difference]: Finished difference Result 192 states and 314 transitions. [2022-04-06 08:42:45,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 08:42:45,795 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 50 [2022-04-06 08:42:45,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:42:45,802 INFO L225 Difference]: With dead ends: 192 [2022-04-06 08:42:45,802 INFO L226 Difference]: Without dead ends: 171 [2022-04-06 08:42:45,802 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 [2022-04-06 08:42:45,808 INFO L913 BasicCegarLoop]: 231 mSDtfsCounter, 34 mSDsluCounter, 382 mSDsCounter, 0 mSdLazyCounter, 415 mSolverCounterSat, 11 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 613 SdHoareTripleChecker+Invalid, 428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 415 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2022-04-06 08:42:45,809 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 613 Invalid, 428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 415 Invalid, 2 Unknown, 0 Unchecked, 6.8s Time] [2022-04-06 08:42:45,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2022-04-06 08:42:45,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 154. [2022-04-06 08:42:45,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 149 states have (on average 1.5570469798657718) internal successors, (232), 149 states have internal predecessors, (232), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:42:45,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 236 transitions. [2022-04-06 08:42:45,859 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 236 transitions. Word has length 50 [2022-04-06 08:42:45,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:42:45,859 INFO L478 AbstractCegarLoop]: Abstraction has 154 states and 236 transitions. [2022-04-06 08:42:45,859 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:42:45,859 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 236 transitions. [2022-04-06 08:42:45,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-04-06 08:42:45,866 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:42:45,866 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 08:42:45,866 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-06 08:42:45,867 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:42:45,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:42:45,869 INFO L85 PathProgramCache]: Analyzing trace with hash 888216424, now seen corresponding path program 1 times [2022-04-06 08:42:45,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:42:45,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557275736] [2022-04-06 08:42:45,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:42:45,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:42:45,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:42:45,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:42:46,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:42:46,006 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 08:42:46,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:42:46,006 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557275736] [2022-04-06 08:42:46,006 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557275736] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:42:46,006 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:42:46,006 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-06 08:42:46,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445547559] [2022-04-06 08:42:46,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:42:46,007 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-06 08:42:46,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:42:46,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-06 08:42:46,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-06 08:42:46,008 INFO L87 Difference]: Start difference. First operand 154 states and 236 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:42:48,960 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:42:50,980 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:42:51,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:42:51,967 INFO L93 Difference]: Finished difference Result 272 states and 418 transitions. [2022-04-06 08:42:51,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 08:42:51,967 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (3), 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 63 [2022-04-06 08:42:51,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:42:51,969 INFO L225 Difference]: With dead ends: 272 [2022-04-06 08:42:51,969 INFO L226 Difference]: Without dead ends: 272 [2022-04-06 08:42:51,969 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 [2022-04-06 08:42:51,970 INFO L913 BasicCegarLoop]: 263 mSDtfsCounter, 145 mSDsluCounter, 373 mSDsCounter, 0 mSdLazyCounter, 624 mSolverCounterSat, 46 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 636 SdHoareTripleChecker+Invalid, 672 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 624 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2022-04-06 08:42:51,970 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [145 Valid, 636 Invalid, 672 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 624 Invalid, 2 Unknown, 0 Unchecked, 5.9s Time] [2022-04-06 08:42:51,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2022-04-06 08:42:51,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 170. [2022-04-06 08:42:51,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 165 states have (on average 1.5575757575757576) internal successors, (257), 165 states have internal predecessors, (257), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:42:51,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 261 transitions. [2022-04-06 08:42:51,977 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 261 transitions. Word has length 63 [2022-04-06 08:42:51,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:42:51,978 INFO L478 AbstractCegarLoop]: Abstraction has 170 states and 261 transitions. [2022-04-06 08:42:51,978 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:42:51,978 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 261 transitions. [2022-04-06 08:42:51,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-04-06 08:42:51,979 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:42:51,979 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 08:42:51,979 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-04-06 08:42:51,979 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:42:51,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:42:51,979 INFO L85 PathProgramCache]: Analyzing trace with hash -1909217456, now seen corresponding path program 1 times [2022-04-06 08:42:51,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:42:51,980 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289361146] [2022-04-06 08:42:51,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:42:51,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:42:52,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:42:52,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:42:52,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:42:52,166 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 08:42:52,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:42:52,167 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289361146] [2022-04-06 08:42:52,167 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289361146] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:42:52,167 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:42:52,167 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-06 08:42:52,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15779108] [2022-04-06 08:42:52,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:42:52,167 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-06 08:42:52,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:42:52,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-06 08:42:52,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-06 08:42:52,168 INFO L87 Difference]: Start difference. First operand 170 states and 261 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:42:53,936 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:42:55,192 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:42:57,162 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:42:59,188 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:42:59,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:42:59,661 INFO L93 Difference]: Finished difference Result 287 states and 441 transitions. [2022-04-06 08:42:59,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 08:42:59,662 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (3), 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 64 [2022-04-06 08:42:59,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:42:59,663 INFO L225 Difference]: With dead ends: 287 [2022-04-06 08:42:59,664 INFO L226 Difference]: Without dead ends: 287 [2022-04-06 08:42:59,664 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 [2022-04-06 08:42:59,664 INFO L913 BasicCegarLoop]: 120 mSDtfsCounter, 150 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 476 mSolverCounterSat, 63 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 540 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 476 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2022-04-06 08:42:59,665 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [150 Valid, 350 Invalid, 540 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 476 Invalid, 1 Unknown, 0 Unchecked, 7.5s Time] [2022-04-06 08:42:59,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2022-04-06 08:42:59,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 181. [2022-04-06 08:42:59,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 176 states have (on average 1.5397727272727273) internal successors, (271), 176 states have internal predecessors, (271), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:42:59,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 275 transitions. [2022-04-06 08:42:59,671 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 275 transitions. Word has length 64 [2022-04-06 08:42:59,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:42:59,671 INFO L478 AbstractCegarLoop]: Abstraction has 181 states and 275 transitions. [2022-04-06 08:42:59,672 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:42:59,672 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 275 transitions. [2022-04-06 08:42:59,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-04-06 08:42:59,672 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:42:59,672 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 08:42:59,673 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-04-06 08:42:59,673 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:42:59,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:42:59,673 INFO L85 PathProgramCache]: Analyzing trace with hash 1031303024, now seen corresponding path program 1 times [2022-04-06 08:42:59,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:42:59,673 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145365919] [2022-04-06 08:42:59,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:42:59,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:42:59,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:42:59,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:42:59,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:42:59,778 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 08:42:59,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:42:59,779 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145365919] [2022-04-06 08:42:59,779 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2145365919] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:42:59,779 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:42:59,779 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-06 08:42:59,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808019448] [2022-04-06 08:42:59,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:42:59,780 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-06 08:42:59,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:42:59,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-06 08:42:59,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-06 08:42:59,780 INFO L87 Difference]: Start difference. First operand 181 states and 275 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:43:02,568 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 [] [2022-04-06 08:43:03,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:43:03,627 INFO L93 Difference]: Finished difference Result 287 states and 438 transitions. [2022-04-06 08:43:03,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 08:43:03,627 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (3), 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 64 [2022-04-06 08:43:03,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:43:03,628 INFO L225 Difference]: With dead ends: 287 [2022-04-06 08:43:03,628 INFO L226 Difference]: Without dead ends: 287 [2022-04-06 08:43:03,629 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 [2022-04-06 08:43:03,629 INFO L913 BasicCegarLoop]: 120 mSDtfsCounter, 148 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 476 mSolverCounterSat, 63 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 540 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 476 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-04-06 08:43:03,629 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [148 Valid, 350 Invalid, 540 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 476 Invalid, 1 Unknown, 0 Unchecked, 3.8s Time] [2022-04-06 08:43:03,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2022-04-06 08:43:03,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 182. [2022-04-06 08:43:03,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 177 states have (on average 1.5254237288135593) internal successors, (270), 177 states have internal predecessors, (270), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:43:03,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 274 transitions. [2022-04-06 08:43:03,635 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 274 transitions. Word has length 64 [2022-04-06 08:43:03,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:43:03,635 INFO L478 AbstractCegarLoop]: Abstraction has 182 states and 274 transitions. [2022-04-06 08:43:03,635 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:43:03,635 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 274 transitions. [2022-04-06 08:43:03,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-04-06 08:43:03,636 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:43:03,636 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 08:43:03,636 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-04-06 08:43:03,636 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:43:03,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:43:03,637 INFO L85 PathProgramCache]: Analyzing trace with hash -1335121200, now seen corresponding path program 1 times [2022-04-06 08:43:03,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:43:03,637 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004694450] [2022-04-06 08:43:03,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:43:03,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:43:03,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:43:03,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:43:03,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:43:03,785 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 08:43:03,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:43:03,786 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004694450] [2022-04-06 08:43:03,786 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004694450] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:43:03,786 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:43:03,786 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-06 08:43:03,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882374445] [2022-04-06 08:43:03,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:43:03,787 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-06 08:43:03,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:43:03,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-06 08:43:03,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-06 08:43:03,788 INFO L87 Difference]: Start difference. First operand 182 states and 274 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:43:06,199 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 [] [2022-04-06 08:43:08,223 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:43:10,244 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:43:10,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:43:10,574 INFO L93 Difference]: Finished difference Result 197 states and 292 transitions. [2022-04-06 08:43:10,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 08:43:10,575 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (3), 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 64 [2022-04-06 08:43:10,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:43:10,576 INFO L225 Difference]: With dead ends: 197 [2022-04-06 08:43:10,576 INFO L226 Difference]: Without dead ends: 197 [2022-04-06 08:43:10,576 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 [2022-04-06 08:43:10,577 INFO L913 BasicCegarLoop]: 191 mSDtfsCounter, 19 mSDsluCounter, 302 mSDsCounter, 0 mSdLazyCounter, 360 mSolverCounterSat, 9 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 493 SdHoareTripleChecker+Invalid, 371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 360 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2022-04-06 08:43:10,577 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 493 Invalid, 371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 360 Invalid, 2 Unknown, 0 Unchecked, 6.8s Time] [2022-04-06 08:43:10,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2022-04-06 08:43:10,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 182. [2022-04-06 08:43:10,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 177 states have (on average 1.5197740112994351) internal successors, (269), 177 states have internal predecessors, (269), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:43:10,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 273 transitions. [2022-04-06 08:43:10,582 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 273 transitions. Word has length 64 [2022-04-06 08:43:10,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:43:10,582 INFO L478 AbstractCegarLoop]: Abstraction has 182 states and 273 transitions. [2022-04-06 08:43:10,582 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:43:10,583 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 273 transitions. [2022-04-06 08:43:10,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-04-06 08:43:10,583 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:43:10,583 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 08:43:10,583 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-04-06 08:43:10,583 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:43:10,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:43:10,584 INFO L85 PathProgramCache]: Analyzing trace with hash -25859152, now seen corresponding path program 1 times [2022-04-06 08:43:10,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:43:10,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485879527] [2022-04-06 08:43:10,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:43:10,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:43:10,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:43:10,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:43:10,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:43:10,667 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 08:43:10,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:43:10,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485879527] [2022-04-06 08:43:10,667 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1485879527] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:43:10,667 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:43:10,667 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-06 08:43:10,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195146480] [2022-04-06 08:43:10,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:43:10,668 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-06 08:43:10,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:43:10,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-06 08:43:10,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-06 08:43:10,669 INFO L87 Difference]: Start difference. First operand 182 states and 273 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:43:13,837 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 [] [2022-04-06 08:43:15,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:43:15,047 INFO L93 Difference]: Finished difference Result 195 states and 289 transitions. [2022-04-06 08:43:15,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 08:43:15,047 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (3), 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 64 [2022-04-06 08:43:15,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:43:15,048 INFO L225 Difference]: With dead ends: 195 [2022-04-06 08:43:15,048 INFO L226 Difference]: Without dead ends: 195 [2022-04-06 08:43:15,049 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 [2022-04-06 08:43:15,049 INFO L913 BasicCegarLoop]: 193 mSDtfsCounter, 19 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 357 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 497 SdHoareTripleChecker+Invalid, 366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 357 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-04-06 08:43:15,049 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 497 Invalid, 366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 357 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2022-04-06 08:43:15,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2022-04-06 08:43:15,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 182. [2022-04-06 08:43:15,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 177 states have (on average 1.5141242937853108) internal successors, (268), 177 states have internal predecessors, (268), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:43:15,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 272 transitions. [2022-04-06 08:43:15,053 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 272 transitions. Word has length 64 [2022-04-06 08:43:15,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:43:15,053 INFO L478 AbstractCegarLoop]: Abstraction has 182 states and 272 transitions. [2022-04-06 08:43:15,053 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:43:15,053 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 272 transitions. [2022-04-06 08:43:15,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-04-06 08:43:15,054 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:43:15,054 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 08:43:15,054 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-04-06 08:43:15,054 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:43:15,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:43:15,054 INFO L85 PathProgramCache]: Analyzing trace with hash 1757731560, now seen corresponding path program 1 times [2022-04-06 08:43:15,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:43:15,055 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79999658] [2022-04-06 08:43:15,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:43:15,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:43:15,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:43:15,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:43:15,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:43:15,151 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 08:43:15,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:43:15,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79999658] [2022-04-06 08:43:15,152 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [79999658] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:43:15,152 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:43:15,152 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-06 08:43:15,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223601918] [2022-04-06 08:43:15,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:43:15,153 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-06 08:43:15,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:43:15,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-06 08:43:15,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-06 08:43:15,153 INFO L87 Difference]: Start difference. First operand 182 states and 272 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:43:17,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:43:17,380 INFO L93 Difference]: Finished difference Result 195 states and 288 transitions. [2022-04-06 08:43:17,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 08:43:17,380 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 65 [2022-04-06 08:43:17,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:43:17,381 INFO L225 Difference]: With dead ends: 195 [2022-04-06 08:43:17,382 INFO L226 Difference]: Without dead ends: 195 [2022-04-06 08:43:17,382 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 [2022-04-06 08:43:17,382 INFO L913 BasicCegarLoop]: 193 mSDtfsCounter, 22 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 358 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 497 SdHoareTripleChecker+Invalid, 366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 358 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-04-06 08:43:17,382 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [22 Valid, 497 Invalid, 366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 358 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-04-06 08:43:17,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2022-04-06 08:43:17,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 182. [2022-04-06 08:43:17,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 177 states have (on average 1.5084745762711864) internal successors, (267), 177 states have internal predecessors, (267), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:43:17,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 271 transitions. [2022-04-06 08:43:17,398 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 271 transitions. Word has length 65 [2022-04-06 08:43:17,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:43:17,398 INFO L478 AbstractCegarLoop]: Abstraction has 182 states and 271 transitions. [2022-04-06 08:43:17,398 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:43:17,398 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 271 transitions. [2022-04-06 08:43:17,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-04-06 08:43:17,399 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:43:17,399 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 08:43:17,399 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-04-06 08:43:17,400 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:43:17,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:43:17,400 INFO L85 PathProgramCache]: Analyzing trace with hash 2096002932, now seen corresponding path program 1 times [2022-04-06 08:43:17,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:43:17,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143624479] [2022-04-06 08:43:17,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:43:17,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:43:17,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:43:17,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:43:17,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:43:17,523 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 08:43:17,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:43:17,525 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143624479] [2022-04-06 08:43:17,525 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143624479] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:43:17,525 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:43:17,526 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-06 08:43:17,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669483444] [2022-04-06 08:43:17,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:43:17,526 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-06 08:43:17,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:43:17,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-06 08:43:17,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-06 08:43:17,527 INFO L87 Difference]: Start difference. First operand 182 states and 271 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:43:19,092 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 [] [2022-04-06 08:43:21,823 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:43:23,323 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:43:23,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:43:23,841 INFO L93 Difference]: Finished difference Result 287 states and 432 transitions. [2022-04-06 08:43:23,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 08:43:23,841 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 66 [2022-04-06 08:43:23,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:43:23,843 INFO L225 Difference]: With dead ends: 287 [2022-04-06 08:43:23,843 INFO L226 Difference]: Without dead ends: 287 [2022-04-06 08:43:23,843 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 [2022-04-06 08:43:23,844 INFO L913 BasicCegarLoop]: 120 mSDtfsCounter, 145 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 476 mSolverCounterSat, 63 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 540 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 476 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-04-06 08:43:23,844 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [145 Valid, 350 Invalid, 540 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 476 Invalid, 1 Unknown, 0 Unchecked, 6.3s Time] [2022-04-06 08:43:23,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2022-04-06 08:43:23,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 184. [2022-04-06 08:43:23,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 179 states have (on average 1.4972067039106145) internal successors, (268), 179 states have internal predecessors, (268), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:43:23,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 272 transitions. [2022-04-06 08:43:23,848 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 272 transitions. Word has length 66 [2022-04-06 08:43:23,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:43:23,849 INFO L478 AbstractCegarLoop]: Abstraction has 184 states and 272 transitions. [2022-04-06 08:43:23,849 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:43:23,849 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 272 transitions. [2022-04-06 08:43:23,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-04-06 08:43:23,849 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:43:23,850 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 08:43:23,850 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-04-06 08:43:23,850 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:43:23,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:43:23,850 INFO L85 PathProgramCache]: Analyzing trace with hash 1315364651, now seen corresponding path program 1 times [2022-04-06 08:43:23,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:43:23,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880617920] [2022-04-06 08:43:23,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:43:23,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:43:23,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:43:23,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:43:23,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:43:23,973 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 08:43:23,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:43:23,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880617920] [2022-04-06 08:43:23,973 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880617920] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:43:23,973 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:43:23,973 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-06 08:43:23,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009782307] [2022-04-06 08:43:23,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:43:23,974 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-06 08:43:23,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:43:23,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-06 08:43:23,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-06 08:43:23,975 INFO L87 Difference]: Start difference. First operand 184 states and 272 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:43:25,839 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:43:26,939 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:43:28,204 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:43:29,779 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:43:30,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:43:30,084 INFO L93 Difference]: Finished difference Result 187 states and 275 transitions. [2022-04-06 08:43:30,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 08:43:30,084 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 67 [2022-04-06 08:43:30,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:43:30,085 INFO L225 Difference]: With dead ends: 187 [2022-04-06 08:43:30,085 INFO L226 Difference]: Without dead ends: 187 [2022-04-06 08:43:30,085 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 [2022-04-06 08:43:30,086 INFO L913 BasicCegarLoop]: 200 mSDtfsCounter, 11 mSDsluCounter, 311 mSDsCounter, 0 mSdLazyCounter, 344 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 511 SdHoareTripleChecker+Invalid, 348 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 344 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-04-06 08:43:30,086 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 511 Invalid, 348 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 344 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2022-04-06 08:43:30,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2022-04-06 08:43:30,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 184. [2022-04-06 08:43:30,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 179 states have (on average 1.4916201117318435) internal successors, (267), 179 states have internal predecessors, (267), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:43:30,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 271 transitions. [2022-04-06 08:43:30,089 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 271 transitions. Word has length 67 [2022-04-06 08:43:30,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:43:30,089 INFO L478 AbstractCegarLoop]: Abstraction has 184 states and 271 transitions. [2022-04-06 08:43:30,090 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:43:30,090 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 271 transitions. [2022-04-06 08:43:30,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-04-06 08:43:30,090 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:43:30,090 INFO L499 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 08:43:30,090 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-04-06 08:43:30,090 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:43:30,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:43:30,091 INFO L85 PathProgramCache]: Analyzing trace with hash 972914138, now seen corresponding path program 1 times [2022-04-06 08:43:30,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:43:30,091 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387666568] [2022-04-06 08:43:30,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:43:30,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:43:30,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:43:30,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:43:30,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:43:30,195 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 08:43:30,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:43:30,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387666568] [2022-04-06 08:43:30,199 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1387666568] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:43:30,204 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:43:30,204 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-06 08:43:30,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107531178] [2022-04-06 08:43:30,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:43:30,205 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-06 08:43:30,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:43:30,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-06 08:43:30,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-06 08:43:30,205 INFO L87 Difference]: Start difference. First operand 184 states and 271 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:43:32,092 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:43:33,844 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:43:35,872 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 [] [2022-04-06 08:43:37,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:43:37,162 INFO L93 Difference]: Finished difference Result 226 states and 331 transitions. [2022-04-06 08:43:37,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 08:43:37,163 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 67 [2022-04-06 08:43:37,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:43:37,164 INFO L225 Difference]: With dead ends: 226 [2022-04-06 08:43:37,164 INFO L226 Difference]: Without dead ends: 226 [2022-04-06 08:43:37,164 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 [2022-04-06 08:43:37,165 INFO L913 BasicCegarLoop]: 197 mSDtfsCounter, 30 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 397 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 511 SdHoareTripleChecker+Invalid, 408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 397 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2022-04-06 08:43:37,165 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [30 Valid, 511 Invalid, 408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 397 Invalid, 1 Unknown, 0 Unchecked, 6.9s Time] [2022-04-06 08:43:37,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2022-04-06 08:43:37,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 206. [2022-04-06 08:43:37,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 201 states have (on average 1.4975124378109452) internal successors, (301), 201 states have internal predecessors, (301), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:43:37,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 305 transitions. [2022-04-06 08:43:37,170 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 305 transitions. Word has length 67 [2022-04-06 08:43:37,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:43:37,170 INFO L478 AbstractCegarLoop]: Abstraction has 206 states and 305 transitions. [2022-04-06 08:43:37,170 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:43:37,170 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 305 transitions. [2022-04-06 08:43:37,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-04-06 08:43:37,171 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:43:37,171 INFO L499 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 08:43:37,171 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-04-06 08:43:37,171 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:43:37,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:43:37,172 INFO L85 PathProgramCache]: Analyzing trace with hash -230336556, now seen corresponding path program 1 times [2022-04-06 08:43:37,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:43:37,172 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598374153] [2022-04-06 08:43:37,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:43:37,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:43:37,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:43:37,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:43:37,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:43:37,306 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 08:43:37,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:43:37,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598374153] [2022-04-06 08:43:37,307 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [598374153] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:43:37,307 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:43:37,307 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-06 08:43:37,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927421041] [2022-04-06 08:43:37,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:43:37,308 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-06 08:43:37,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:43:37,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-06 08:43:37,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-06 08:43:37,309 INFO L87 Difference]: Start difference. First operand 206 states and 305 transitions. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 4 states have internal predecessors, (77), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:43:39,318 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 [] [2022-04-06 08:43:39,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:43:39,720 INFO L93 Difference]: Finished difference Result 225 states and 329 transitions. [2022-04-06 08:43:39,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 08:43:39,721 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 4 states have internal predecessors, (77), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 81 [2022-04-06 08:43:39,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:43:39,722 INFO L225 Difference]: With dead ends: 225 [2022-04-06 08:43:39,722 INFO L226 Difference]: Without dead ends: 225 [2022-04-06 08:43:39,722 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 [2022-04-06 08:43:39,723 INFO L913 BasicCegarLoop]: 199 mSDtfsCounter, 33 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 391 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 513 SdHoareTripleChecker+Invalid, 402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 391 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-04-06 08:43:39,723 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [33 Valid, 513 Invalid, 402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 391 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-04-06 08:43:39,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2022-04-06 08:43:39,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 206. [2022-04-06 08:43:39,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 201 states have (on average 1.492537313432836) internal successors, (300), 201 states have internal predecessors, (300), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:43:39,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 304 transitions. [2022-04-06 08:43:39,727 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 304 transitions. Word has length 81 [2022-04-06 08:43:39,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:43:39,728 INFO L478 AbstractCegarLoop]: Abstraction has 206 states and 304 transitions. [2022-04-06 08:43:39,728 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 4 states have internal predecessors, (77), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:43:39,728 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 304 transitions. [2022-04-06 08:43:39,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-04-06 08:43:39,729 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:43:39,729 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, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 08:43:39,729 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-04-06 08:43:39,729 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:43:39,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:43:39,729 INFO L85 PathProgramCache]: Analyzing trace with hash 1078925492, now seen corresponding path program 1 times [2022-04-06 08:43:39,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:43:39,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748621012] [2022-04-06 08:43:39,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:43:39,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:43:39,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:43:39,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:43:39,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:43:39,856 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 08:43:39,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:43:39,856 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748621012] [2022-04-06 08:43:39,856 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748621012] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:43:39,857 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:43:39,857 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-06 08:43:39,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999253940] [2022-04-06 08:43:39,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:43:39,857 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-06 08:43:39,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:43:39,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-06 08:43:39,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-06 08:43:39,858 INFO L87 Difference]: Start difference. First operand 206 states and 304 transitions. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 4 states have internal predecessors, (77), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:43:42,754 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:43:44,123 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:43:46,148 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 [] [2022-04-06 08:43:46,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:43:46,496 INFO L93 Difference]: Finished difference Result 223 states and 326 transitions. [2022-04-06 08:43:46,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 08:43:46,496 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 4 states have internal predecessors, (77), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 81 [2022-04-06 08:43:46,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:43:46,497 INFO L225 Difference]: With dead ends: 223 [2022-04-06 08:43:46,497 INFO L226 Difference]: Without dead ends: 223 [2022-04-06 08:43:46,497 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 [2022-04-06 08:43:46,498 INFO L913 BasicCegarLoop]: 201 mSDtfsCounter, 33 mSDsluCounter, 316 mSDsCounter, 0 mSdLazyCounter, 389 mSolverCounterSat, 9 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 517 SdHoareTripleChecker+Invalid, 400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 389 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2022-04-06 08:43:46,498 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [33 Valid, 517 Invalid, 400 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 389 Invalid, 2 Unknown, 0 Unchecked, 6.6s Time] [2022-04-06 08:43:46,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2022-04-06 08:43:46,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 206. [2022-04-06 08:43:46,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 201 states have (on average 1.4875621890547264) internal successors, (299), 201 states have internal predecessors, (299), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:43:46,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 303 transitions. [2022-04-06 08:43:46,502 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 303 transitions. Word has length 81 [2022-04-06 08:43:46,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:43:46,503 INFO L478 AbstractCegarLoop]: Abstraction has 206 states and 303 transitions. [2022-04-06 08:43:46,503 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 4 states have internal predecessors, (77), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:43:46,503 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 303 transitions. [2022-04-06 08:43:46,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-04-06 08:43:46,504 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:43:46,504 INFO L499 BasicCegarLoop]: trace histogram [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] [2022-04-06 08:43:46,504 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-04-06 08:43:46,504 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:43:46,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:43:46,505 INFO L85 PathProgramCache]: Analyzing trace with hash 1646317156, now seen corresponding path program 1 times [2022-04-06 08:43:46,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:43:46,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669700950] [2022-04-06 08:43:46,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:43:46,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:43:46,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:43:46,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:43:46,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:43:46,601 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-04-06 08:43:46,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:43:46,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669700950] [2022-04-06 08:43:46,601 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669700950] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:43:46,602 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:43:46,602 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-06 08:43:46,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322185433] [2022-04-06 08:43:46,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:43:46,602 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-06 08:43:46,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:43:46,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-06 08:43:46,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-06 08:43:46,603 INFO L87 Difference]: Start difference. First operand 206 states and 303 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) [2022-04-06 08:43:49,567 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 [] [2022-04-06 08:43:51,592 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 [] [2022-04-06 08:43:52,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:43:52,426 INFO L93 Difference]: Finished difference Result 220 states and 321 transitions. [2022-04-06 08:43:52,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 08:43:52,427 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 82 [2022-04-06 08:43:52,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:43:52,428 INFO L225 Difference]: With dead ends: 220 [2022-04-06 08:43:52,428 INFO L226 Difference]: Without dead ends: 220 [2022-04-06 08:43:52,428 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 [2022-04-06 08:43:52,429 INFO L913 BasicCegarLoop]: 229 mSDtfsCounter, 19 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 393 mSolverCounterSat, 9 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 574 SdHoareTripleChecker+Invalid, 404 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 393 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-04-06 08:43:52,429 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 574 Invalid, 404 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 393 Invalid, 2 Unknown, 0 Unchecked, 5.8s Time] [2022-04-06 08:43:52,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2022-04-06 08:43:52,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 208. [2022-04-06 08:43:52,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 203 states have (on average 1.4876847290640394) internal successors, (302), 203 states have internal predecessors, (302), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:43:52,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 306 transitions. [2022-04-06 08:43:52,432 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 306 transitions. Word has length 82 [2022-04-06 08:43:52,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:43:52,433 INFO L478 AbstractCegarLoop]: Abstraction has 208 states and 306 transitions. [2022-04-06 08:43:52,433 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) [2022-04-06 08:43:52,433 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 306 transitions. [2022-04-06 08:43:52,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-04-06 08:43:52,433 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:43:52,433 INFO L499 BasicCegarLoop]: trace histogram [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] [2022-04-06 08:43:52,433 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-04-06 08:43:52,434 INFO L403 AbstractCegarLoop]: === Iteration 14 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:43:52,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:43:52,434 INFO L85 PathProgramCache]: Analyzing trace with hash 2019421135, now seen corresponding path program 1 times [2022-04-06 08:43:52,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:43:52,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273858223] [2022-04-06 08:43:52,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:43:52,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:43:52,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:43:52,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:43:52,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:43:52,534 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 08:43:52,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:43:52,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273858223] [2022-04-06 08:43:52,535 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273858223] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:43:52,535 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:43:52,535 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-06 08:43:52,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875285617] [2022-04-06 08:43:52,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:43:52,535 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-06 08:43:52,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:43:52,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-06 08:43:52,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-06 08:43:52,536 INFO L87 Difference]: Start difference. First operand 208 states and 306 transitions. Second operand has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:43:55,430 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 [] [2022-04-06 08:43:58,320 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 [] [2022-04-06 08:43:58,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:43:58,808 INFO L93 Difference]: Finished difference Result 309 states and 459 transitions. [2022-04-06 08:43:58,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 08:43:58,809 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 83 [2022-04-06 08:43:58,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:43:58,810 INFO L225 Difference]: With dead ends: 309 [2022-04-06 08:43:58,810 INFO L226 Difference]: Without dead ends: 309 [2022-04-06 08:43:58,810 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 [2022-04-06 08:43:58,810 INFO L913 BasicCegarLoop]: 120 mSDtfsCounter, 146 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 475 mSolverCounterSat, 63 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 540 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 475 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-04-06 08:43:58,810 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [146 Valid, 350 Invalid, 540 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 475 Invalid, 2 Unknown, 0 Unchecked, 6.3s Time] [2022-04-06 08:43:58,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2022-04-06 08:43:58,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 208. [2022-04-06 08:43:58,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 203 states have (on average 1.4729064039408868) internal successors, (299), 203 states have internal predecessors, (299), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:43:58,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 303 transitions. [2022-04-06 08:43:58,814 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 303 transitions. Word has length 83 [2022-04-06 08:43:58,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:43:58,814 INFO L478 AbstractCegarLoop]: Abstraction has 208 states and 303 transitions. [2022-04-06 08:43:58,814 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:43:58,814 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 303 transitions. [2022-04-06 08:43:58,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-04-06 08:43:58,815 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:43:58,815 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, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 08:43:58,815 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-04-06 08:43:58,815 INFO L403 AbstractCegarLoop]: === Iteration 15 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:43:58,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:43:58,815 INFO L85 PathProgramCache]: Analyzing trace with hash 1213038316, now seen corresponding path program 1 times [2022-04-06 08:43:58,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:43:58,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593117948] [2022-04-06 08:43:58,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:43:58,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:43:58,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:43:58,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:43:58,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:43:58,899 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 08:43:58,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:43:58,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593117948] [2022-04-06 08:43:58,899 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [593117948] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:43:58,899 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:43:58,899 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-06 08:43:58,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998929819] [2022-04-06 08:43:58,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:43:58,900 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-06 08:43:58,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:43:58,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-06 08:43:58,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-06 08:43:58,900 INFO L87 Difference]: Start difference. First operand 208 states and 303 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:44:01,538 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:44:03,226 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 [] [2022-04-06 08:44:03,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:44:03,656 INFO L93 Difference]: Finished difference Result 299 states and 443 transitions. [2022-04-06 08:44:03,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 08:44:03,656 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 85 [2022-04-06 08:44:03,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:44:03,657 INFO L225 Difference]: With dead ends: 299 [2022-04-06 08:44:03,658 INFO L226 Difference]: Without dead ends: 299 [2022-04-06 08:44:03,658 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 [2022-04-06 08:44:03,658 INFO L913 BasicCegarLoop]: 128 mSDtfsCounter, 136 mSDsluCounter, 238 mSDsCounter, 0 mSdLazyCounter, 464 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 521 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-04-06 08:44:03,658 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [136 Valid, 366 Invalid, 521 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 464 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2022-04-06 08:44:03,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2022-04-06 08:44:03,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 208. [2022-04-06 08:44:03,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 203 states have (on average 1.458128078817734) internal successors, (296), 203 states have internal predecessors, (296), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:44:03,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 300 transitions. [2022-04-06 08:44:03,662 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 300 transitions. Word has length 85 [2022-04-06 08:44:03,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:44:03,662 INFO L478 AbstractCegarLoop]: Abstraction has 208 states and 300 transitions. [2022-04-06 08:44:03,662 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:44:03,662 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 300 transitions. [2022-04-06 08:44:03,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-04-06 08:44:03,663 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:44:03,663 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] [2022-04-06 08:44:03,663 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-04-06 08:44:03,663 INFO L403 AbstractCegarLoop]: === Iteration 16 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:44:03,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:44:03,663 INFO L85 PathProgramCache]: Analyzing trace with hash 733553435, now seen corresponding path program 1 times [2022-04-06 08:44:03,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:44:03,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861508898] [2022-04-06 08:44:03,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:44:03,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:44:03,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:44:03,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:44:03,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:44:03,776 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-04-06 08:44:03,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:44:03,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861508898] [2022-04-06 08:44:03,777 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861508898] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:44:03,778 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:44:03,778 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-06 08:44:03,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911369514] [2022-04-06 08:44:03,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:44:03,778 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-06 08:44:03,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:44:03,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-06 08:44:03,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-06 08:44:03,778 INFO L87 Difference]: Start difference. First operand 208 states and 300 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) [2022-04-06 08:44:04,905 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 [] [2022-04-06 08:44:06,924 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:44:09,333 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:44:09,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:44:09,821 INFO L93 Difference]: Finished difference Result 305 states and 446 transitions. [2022-04-06 08:44:09,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 08:44:09,822 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 [2022-04-06 08:44:09,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:44:09,823 INFO L225 Difference]: With dead ends: 305 [2022-04-06 08:44:09,823 INFO L226 Difference]: Without dead ends: 305 [2022-04-06 08:44:09,823 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 [2022-04-06 08:44:09,824 INFO L913 BasicCegarLoop]: 191 mSDtfsCounter, 84 mSDsluCounter, 308 mSDsCounter, 0 mSdLazyCounter, 522 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 499 SdHoareTripleChecker+Invalid, 533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 522 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-04-06 08:44:09,824 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [84 Valid, 499 Invalid, 533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 522 Invalid, 1 Unknown, 0 Unchecked, 6.0s Time] [2022-04-06 08:44:09,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2022-04-06 08:44:09,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 249. [2022-04-06 08:44:09,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 244 states have (on average 1.4918032786885247) internal successors, (364), 244 states have internal predecessors, (364), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:44:09,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 368 transitions. [2022-04-06 08:44:09,828 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 368 transitions. Word has length 89 [2022-04-06 08:44:09,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:44:09,828 INFO L478 AbstractCegarLoop]: Abstraction has 249 states and 368 transitions. [2022-04-06 08:44:09,828 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) [2022-04-06 08:44:09,828 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 368 transitions. [2022-04-06 08:44:09,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-04-06 08:44:09,828 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:44:09,829 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] [2022-04-06 08:44:09,829 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-04-06 08:44:09,829 INFO L403 AbstractCegarLoop]: === Iteration 17 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:44:09,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:44:09,829 INFO L85 PathProgramCache]: Analyzing trace with hash -1202106852, now seen corresponding path program 1 times [2022-04-06 08:44:09,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:44:09,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853422856] [2022-04-06 08:44:09,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:44:09,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:44:09,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:44:09,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:44:09,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:44:09,938 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-04-06 08:44:09,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:44:09,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853422856] [2022-04-06 08:44:09,939 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853422856] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:44:09,939 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:44:09,939 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-06 08:44:09,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798131943] [2022-04-06 08:44:09,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:44:09,939 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-06 08:44:09,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:44:09,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-06 08:44:09,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-06 08:44:09,940 INFO L87 Difference]: Start difference. First operand 249 states and 368 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) [2022-04-06 08:44:12,263 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:44:14,783 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:44:15,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:44:15,235 INFO L93 Difference]: Finished difference Result 357 states and 532 transitions. [2022-04-06 08:44:15,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 08:44:15,236 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 [2022-04-06 08:44:15,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:44:15,237 INFO L225 Difference]: With dead ends: 357 [2022-04-06 08:44:15,237 INFO L226 Difference]: Without dead ends: 357 [2022-04-06 08:44:15,237 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 [2022-04-06 08:44:15,238 INFO L913 BasicCegarLoop]: 129 mSDtfsCounter, 111 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 467 mSolverCounterSat, 53 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 368 SdHoareTripleChecker+Invalid, 521 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 467 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-04-06 08:44:15,238 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [111 Valid, 368 Invalid, 521 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 467 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2022-04-06 08:44:15,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2022-04-06 08:44:15,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 248. [2022-04-06 08:44:15,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 243 states have (on average 1.4938271604938271) internal successors, (363), 243 states have internal predecessors, (363), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:44:15,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 367 transitions. [2022-04-06 08:44:15,241 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 367 transitions. Word has length 89 [2022-04-06 08:44:15,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:44:15,242 INFO L478 AbstractCegarLoop]: Abstraction has 248 states and 367 transitions. [2022-04-06 08:44:15,242 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) [2022-04-06 08:44:15,242 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 367 transitions. [2022-04-06 08:44:15,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-04-06 08:44:15,242 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:44:15,242 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, 1] [2022-04-06 08:44:15,243 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-04-06 08:44:15,243 INFO L403 AbstractCegarLoop]: === Iteration 18 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:44:15,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:44:15,243 INFO L85 PathProgramCache]: Analyzing trace with hash -2117392348, now seen corresponding path program 1 times [2022-04-06 08:44:15,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:44:15,243 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270315773] [2022-04-06 08:44:15,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:44:15,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:44:15,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:44:15,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:44:15,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:44:15,331 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-04-06 08:44:15,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:44:15,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270315773] [2022-04-06 08:44:15,331 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1270315773] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:44:15,331 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:44:15,331 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-06 08:44:15,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818453897] [2022-04-06 08:44:15,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:44:15,332 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-06 08:44:15,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:44:15,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-06 08:44:15,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-06 08:44:15,332 INFO L87 Difference]: Start difference. First operand 248 states and 367 transitions. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 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) [2022-04-06 08:44:16,688 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:44:18,709 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:44:20,740 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:44:22,762 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:44:23,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:44:23,173 INFO L93 Difference]: Finished difference Result 337 states and 501 transitions. [2022-04-06 08:44:23,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 08:44:23,174 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 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 90 [2022-04-06 08:44:23,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:44:23,175 INFO L225 Difference]: With dead ends: 337 [2022-04-06 08:44:23,175 INFO L226 Difference]: Without dead ends: 337 [2022-04-06 08:44:23,175 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 [2022-04-06 08:44:23,175 INFO L913 BasicCegarLoop]: 183 mSDtfsCounter, 73 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 502 mSolverCounterSat, 10 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 483 SdHoareTripleChecker+Invalid, 515 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 502 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2022-04-06 08:44:23,176 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [73 Valid, 483 Invalid, 515 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 502 Invalid, 3 Unknown, 0 Unchecked, 7.8s Time] [2022-04-06 08:44:23,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2022-04-06 08:44:23,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 290. [2022-04-06 08:44:23,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 285 states have (on average 1.5157894736842106) internal successors, (432), 285 states have internal predecessors, (432), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:44:23,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 436 transitions. [2022-04-06 08:44:23,180 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 436 transitions. Word has length 90 [2022-04-06 08:44:23,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:44:23,180 INFO L478 AbstractCegarLoop]: Abstraction has 290 states and 436 transitions. [2022-04-06 08:44:23,180 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 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) [2022-04-06 08:44:23,180 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 436 transitions. [2022-04-06 08:44:23,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-04-06 08:44:23,180 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:44:23,181 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, 1] [2022-04-06 08:44:23,181 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-04-06 08:44:23,181 INFO L403 AbstractCegarLoop]: === Iteration 19 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:44:23,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:44:23,181 INFO L85 PathProgramCache]: Analyzing trace with hash -1993319101, now seen corresponding path program 1 times [2022-04-06 08:44:23,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:44:23,181 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738259547] [2022-04-06 08:44:23,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:44:23,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:44:23,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:44:23,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:44:23,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:44:23,300 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-04-06 08:44:23,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:44:23,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738259547] [2022-04-06 08:44:23,300 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738259547] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:44:23,300 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:44:23,301 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-06 08:44:23,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489133970] [2022-04-06 08:44:23,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:44:23,301 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-06 08:44:23,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:44:23,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-06 08:44:23,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-06 08:44:23,301 INFO L87 Difference]: Start difference. First operand 290 states and 436 transitions. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 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) [2022-04-06 08:44:26,283 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:44:28,307 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:44:28,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:44:28,707 INFO L93 Difference]: Finished difference Result 328 states and 490 transitions. [2022-04-06 08:44:28,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 08:44:28,707 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 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 90 [2022-04-06 08:44:28,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:44:28,708 INFO L225 Difference]: With dead ends: 328 [2022-04-06 08:44:28,708 INFO L226 Difference]: Without dead ends: 328 [2022-04-06 08:44:28,709 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 [2022-04-06 08:44:28,709 INFO L913 BasicCegarLoop]: 239 mSDtfsCounter, 27 mSDsluCounter, 354 mSDsCounter, 0 mSdLazyCounter, 439 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 593 SdHoareTripleChecker+Invalid, 446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 439 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-04-06 08:44:28,709 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [27 Valid, 593 Invalid, 446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 439 Invalid, 1 Unknown, 0 Unchecked, 5.4s Time] [2022-04-06 08:44:28,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2022-04-06 08:44:28,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 314. [2022-04-06 08:44:28,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 309 states have (on average 1.5145631067961165) internal successors, (468), 309 states have internal predecessors, (468), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:44:28,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 472 transitions. [2022-04-06 08:44:28,714 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 472 transitions. Word has length 90 [2022-04-06 08:44:28,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:44:28,714 INFO L478 AbstractCegarLoop]: Abstraction has 314 states and 472 transitions. [2022-04-06 08:44:28,714 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 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) [2022-04-06 08:44:28,714 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 472 transitions. [2022-04-06 08:44:28,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-04-06 08:44:28,715 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:44:28,715 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 08:44:28,715 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-04-06 08:44:28,715 INFO L403 AbstractCegarLoop]: === Iteration 20 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:44:28,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:44:28,716 INFO L85 PathProgramCache]: Analyzing trace with hash -676029654, now seen corresponding path program 1 times [2022-04-06 08:44:28,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:44:28,716 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685563322] [2022-04-06 08:44:28,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:44:28,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:44:28,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:44:28,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:44:28,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:44:28,805 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-04-06 08:44:28,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:44:28,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685563322] [2022-04-06 08:44:28,805 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [685563322] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:44:28,805 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:44:28,805 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-06 08:44:28,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879086787] [2022-04-06 08:44:28,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:44:28,805 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-06 08:44:28,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:44:28,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-06 08:44:28,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-06 08:44:28,806 INFO L87 Difference]: Start difference. First operand 314 states and 472 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) [2022-04-06 08:44:32,110 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:44:33,422 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:44:33,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:44:33,838 INFO L93 Difference]: Finished difference Result 404 states and 610 transitions. [2022-04-06 08:44:33,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 08:44:33,839 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 [2022-04-06 08:44:33,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:44:33,840 INFO L225 Difference]: With dead ends: 404 [2022-04-06 08:44:33,840 INFO L226 Difference]: Without dead ends: 404 [2022-04-06 08:44:33,840 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 [2022-04-06 08:44:33,840 INFO L913 BasicCegarLoop]: 130 mSDtfsCounter, 132 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 463 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 518 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 463 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-04-06 08:44:33,840 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [132 Valid, 370 Invalid, 518 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 463 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2022-04-06 08:44:33,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2022-04-06 08:44:33,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 316. [2022-04-06 08:44:33,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316 states, 311 states have (on average 1.504823151125402) internal successors, (468), 311 states have internal predecessors, (468), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:44:33,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 472 transitions. [2022-04-06 08:44:33,845 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 472 transitions. Word has length 104 [2022-04-06 08:44:33,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:44:33,845 INFO L478 AbstractCegarLoop]: Abstraction has 316 states and 472 transitions. [2022-04-06 08:44:33,845 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) [2022-04-06 08:44:33,845 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 472 transitions. [2022-04-06 08:44:33,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-04-06 08:44:33,846 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:44:33,846 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 08:44:33,846 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-04-06 08:44:33,846 INFO L403 AbstractCegarLoop]: === Iteration 21 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:44:33,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:44:33,846 INFO L85 PathProgramCache]: Analyzing trace with hash 1256388170, now seen corresponding path program 1 times [2022-04-06 08:44:33,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:44:33,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220597534] [2022-04-06 08:44:33,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:44:33,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:44:33,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:44:33,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:44:33,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:44:33,937 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-04-06 08:44:33,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:44:33,937 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220597534] [2022-04-06 08:44:33,938 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220597534] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:44:33,938 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:44:33,938 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-06 08:44:33,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477863042] [2022-04-06 08:44:33,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:44:33,938 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-06 08:44:33,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:44:33,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-06 08:44:33,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-06 08:44:33,939 INFO L87 Difference]: Start difference. First operand 316 states and 472 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) [2022-04-06 08:44:35,112 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:44:37,135 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:44:39,158 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:44:41,181 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:44:41,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:44:41,614 INFO L93 Difference]: Finished difference Result 404 states and 606 transitions. [2022-04-06 08:44:41,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 08:44:41,614 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 [2022-04-06 08:44:41,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:44:41,615 INFO L225 Difference]: With dead ends: 404 [2022-04-06 08:44:41,615 INFO L226 Difference]: Without dead ends: 404 [2022-04-06 08:44:41,615 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 [2022-04-06 08:44:41,616 INFO L913 BasicCegarLoop]: 132 mSDtfsCounter, 132 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 462 mSolverCounterSat, 54 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 519 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 462 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2022-04-06 08:44:41,616 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [132 Valid, 374 Invalid, 519 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 462 Invalid, 3 Unknown, 0 Unchecked, 7.7s Time] [2022-04-06 08:44:41,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2022-04-06 08:44:41,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 316. [2022-04-06 08:44:41,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316 states, 311 states have (on average 1.4919614147909968) internal successors, (464), 311 states have internal predecessors, (464), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:44:41,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 468 transitions. [2022-04-06 08:44:41,621 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 468 transitions. Word has length 104 [2022-04-06 08:44:41,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:44:41,621 INFO L478 AbstractCegarLoop]: Abstraction has 316 states and 468 transitions. [2022-04-06 08:44:41,621 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) [2022-04-06 08:44:41,621 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 468 transitions. [2022-04-06 08:44:41,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-04-06 08:44:41,622 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:44:41,622 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] [2022-04-06 08:44:41,622 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-04-06 08:44:41,622 INFO L403 AbstractCegarLoop]: === Iteration 22 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:44:41,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:44:41,622 INFO L85 PathProgramCache]: Analyzing trace with hash -1066855646, now seen corresponding path program 1 times [2022-04-06 08:44:41,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:44:41,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868473966] [2022-04-06 08:44:41,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:44:41,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:44:41,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:44:41,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:44:41,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:44:41,720 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-04-06 08:44:41,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:44:41,720 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868473966] [2022-04-06 08:44:41,720 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868473966] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:44:41,720 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:44:41,721 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-06 08:44:41,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979140040] [2022-04-06 08:44:41,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:44:41,721 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-06 08:44:41,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:44:41,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-06 08:44:41,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-06 08:44:41,721 INFO L87 Difference]: Start difference. First operand 316 states and 468 transitions. Second operand has 5 states, 5 states have (on average 19.6) internal successors, (98), 4 states have internal predecessors, (98), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:44:44,620 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:44:47,289 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:44:47,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:44:47,687 INFO L93 Difference]: Finished difference Result 404 states and 603 transitions. [2022-04-06 08:44:47,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 08:44:47,687 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.6) internal successors, (98), 4 states have internal predecessors, (98), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 112 [2022-04-06 08:44:47,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:44:47,688 INFO L225 Difference]: With dead ends: 404 [2022-04-06 08:44:47,688 INFO L226 Difference]: Without dead ends: 404 [2022-04-06 08:44:47,689 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 [2022-04-06 08:44:47,689 INFO L913 BasicCegarLoop]: 137 mSDtfsCounter, 124 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 470 mSolverCounterSat, 51 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 470 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-04-06 08:44:47,689 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [124 Valid, 384 Invalid, 523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 470 Invalid, 2 Unknown, 0 Unchecked, 6.0s Time] [2022-04-06 08:44:47,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2022-04-06 08:44:47,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 322. [2022-04-06 08:44:47,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 322 states, 317 states have (on average 1.4921135646687698) internal successors, (473), 317 states have internal predecessors, (473), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:44:47,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 477 transitions. [2022-04-06 08:44:47,693 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 477 transitions. Word has length 112 [2022-04-06 08:44:47,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:44:47,694 INFO L478 AbstractCegarLoop]: Abstraction has 322 states and 477 transitions. [2022-04-06 08:44:47,694 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.6) internal successors, (98), 4 states have internal predecessors, (98), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:44:47,694 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 477 transitions. [2022-04-06 08:44:47,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-04-06 08:44:47,694 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:44:47,694 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] [2022-04-06 08:44:47,694 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-04-06 08:44:47,695 INFO L403 AbstractCegarLoop]: === Iteration 23 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:44:47,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:44:47,695 INFO L85 PathProgramCache]: Analyzing trace with hash 1053431553, now seen corresponding path program 1 times [2022-04-06 08:44:47,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:44:47,695 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503067177] [2022-04-06 08:44:47,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:44:47,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:44:47,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:44:47,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:44:47,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:44:47,781 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-04-06 08:44:47,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:44:47,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503067177] [2022-04-06 08:44:47,781 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1503067177] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:44:47,781 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:44:47,781 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 08:44:47,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220485285] [2022-04-06 08:44:47,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:44:47,781 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 08:44:47,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:44:47,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 08:44:47,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 08:44:47,782 INFO L87 Difference]: Start difference. First operand 322 states and 477 transitions. Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 3 states have internal predecessors, (80), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:44:49,326 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:44:51,312 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:44:53,138 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:44:53,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:44:53,416 INFO L93 Difference]: Finished difference Result 612 states and 908 transitions. [2022-04-06 08:44:53,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 08:44:53,416 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 3 states have internal predecessors, (80), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 112 [2022-04-06 08:44:53,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:44:53,418 INFO L225 Difference]: With dead ends: 612 [2022-04-06 08:44:53,418 INFO L226 Difference]: Without dead ends: 612 [2022-04-06 08:44:53,418 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 [2022-04-06 08:44:53,418 INFO L913 BasicCegarLoop]: 248 mSDtfsCounter, 136 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 291 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 442 SdHoareTripleChecker+Invalid, 301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 291 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-04-06 08:44:53,419 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [136 Valid, 442 Invalid, 301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 291 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2022-04-06 08:44:53,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 612 states. [2022-04-06 08:44:53,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 612 to 612. [2022-04-06 08:44:53,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 612 states, 607 states have (on average 1.4892915980230643) internal successors, (904), 607 states have internal predecessors, (904), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:44:53,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 612 states and 908 transitions. [2022-04-06 08:44:53,425 INFO L78 Accepts]: Start accepts. Automaton has 612 states and 908 transitions. Word has length 112 [2022-04-06 08:44:53,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:44:53,425 INFO L478 AbstractCegarLoop]: Abstraction has 612 states and 908 transitions. [2022-04-06 08:44:53,426 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 3 states have internal predecessors, (80), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:44:53,426 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 908 transitions. [2022-04-06 08:44:53,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-04-06 08:44:53,427 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:44:53,427 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] [2022-04-06 08:44:53,427 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-04-06 08:44:53,427 INFO L403 AbstractCegarLoop]: === Iteration 24 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:44:53,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:44:53,427 INFO L85 PathProgramCache]: Analyzing trace with hash -1460035808, now seen corresponding path program 1 times [2022-04-06 08:44:53,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:44:53,427 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48208643] [2022-04-06 08:44:53,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:44:53,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:44:53,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:44:53,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:44:53,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:44:53,509 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-04-06 08:44:53,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:44:53,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48208643] [2022-04-06 08:44:53,509 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48208643] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:44:53,510 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:44:53,510 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 08:44:53,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518355142] [2022-04-06 08:44:53,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:44:53,510 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 08:44:53,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:44:53,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 08:44:53,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 08:44:53,510 INFO L87 Difference]: Start difference. First operand 612 states and 908 transitions. Second operand has 4 states, 4 states have (on average 22.5) internal successors, (90), 3 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) [2022-04-06 08:44:55,244 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 [] [2022-04-06 08:44:57,259 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 [] [2022-04-06 08:44:57,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:44:57,507 INFO L93 Difference]: Finished difference Result 639 states and 943 transitions. [2022-04-06 08:44:57,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 08:44:57,507 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 3 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 112 [2022-04-06 08:44:57,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:44:57,509 INFO L225 Difference]: With dead ends: 639 [2022-04-06 08:44:57,509 INFO L226 Difference]: Without dead ends: 639 [2022-04-06 08:44:57,509 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 [2022-04-06 08:44:57,510 INFO L913 BasicCegarLoop]: 225 mSDtfsCounter, 15 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 253 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 253 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-04-06 08:44:57,510 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 419 Invalid, 257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 253 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2022-04-06 08:44:57,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 639 states. [2022-04-06 08:44:57,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 639 to 639. [2022-04-06 08:44:57,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 639 states, 634 states have (on average 1.4810725552050472) internal successors, (939), 634 states have internal predecessors, (939), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:44:57,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 639 states and 943 transitions. [2022-04-06 08:44:57,517 INFO L78 Accepts]: Start accepts. Automaton has 639 states and 943 transitions. Word has length 112 [2022-04-06 08:44:57,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:44:57,517 INFO L478 AbstractCegarLoop]: Abstraction has 639 states and 943 transitions. [2022-04-06 08:44:57,517 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 3 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) [2022-04-06 08:44:57,518 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 943 transitions. [2022-04-06 08:44:57,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-04-06 08:44:57,518 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:44:57,519 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] [2022-04-06 08:44:57,519 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-04-06 08:44:57,519 INFO L403 AbstractCegarLoop]: === Iteration 25 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:44:57,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:44:57,519 INFO L85 PathProgramCache]: Analyzing trace with hash -291839553, now seen corresponding path program 1 times [2022-04-06 08:44:57,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:44:57,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714659323] [2022-04-06 08:44:57,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:44:57,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:44:57,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:44:57,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:44:57,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:44:57,587 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2022-04-06 08:44:57,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:44:57,587 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714659323] [2022-04-06 08:44:57,587 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1714659323] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:44:57,587 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:44:57,587 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 08:44:57,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358741266] [2022-04-06 08:44:57,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:44:57,587 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 08:44:57,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:44:57,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 08:44:57,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 08:44:57,588 INFO L87 Difference]: Start difference. First operand 639 states and 943 transitions. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 3 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) [2022-04-06 08:44:59,258 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 [] [2022-04-06 08:45:01,282 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:45:03,306 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:45:03,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:45:03,524 INFO L93 Difference]: Finished difference Result 641 states and 945 transitions. [2022-04-06 08:45:03,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 08:45:03,525 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 3 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 112 [2022-04-06 08:45:03,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:45:03,526 INFO L225 Difference]: With dead ends: 641 [2022-04-06 08:45:03,527 INFO L226 Difference]: Without dead ends: 641 [2022-04-06 08:45:03,527 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 [2022-04-06 08:45:03,527 INFO L913 BasicCegarLoop]: 213 mSDtfsCounter, 4 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 398 SdHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2022-04-06 08:45:03,527 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 398 Invalid, 242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 238 Invalid, 2 Unknown, 0 Unchecked, 5.9s Time] [2022-04-06 08:45:03,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 641 states. [2022-04-06 08:45:03,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 641 to 641. [2022-04-06 08:45:03,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 641 states, 636 states have (on average 1.479559748427673) internal successors, (941), 636 states have internal predecessors, (941), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:45:03,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 945 transitions. [2022-04-06 08:45:03,534 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 945 transitions. Word has length 112 [2022-04-06 08:45:03,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:45:03,534 INFO L478 AbstractCegarLoop]: Abstraction has 641 states and 945 transitions. [2022-04-06 08:45:03,534 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 3 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) [2022-04-06 08:45:03,534 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 945 transitions. [2022-04-06 08:45:03,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-04-06 08:45:03,535 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:45:03,535 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, 1] [2022-04-06 08:45:03,535 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-04-06 08:45:03,535 INFO L403 AbstractCegarLoop]: === Iteration 26 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:45:03,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:45:03,536 INFO L85 PathProgramCache]: Analyzing trace with hash 1637338007, now seen corresponding path program 1 times [2022-04-06 08:45:03,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:45:03,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44673359] [2022-04-06 08:45:03,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:45:03,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:45:03,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:45:03,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:45:03,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:45:03,629 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-04-06 08:45:03,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:45:03,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44673359] [2022-04-06 08:45:03,629 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44673359] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:45:03,629 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:45:03,629 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-06 08:45:03,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181131474] [2022-04-06 08:45:03,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:45:03,630 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-06 08:45:03,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:45:03,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-06 08:45:03,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-06 08:45:03,633 INFO L87 Difference]: Start difference. First operand 641 states and 945 transitions. Second operand has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:45:06,687 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:45:08,076 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:45:08,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:45:08,591 INFO L93 Difference]: Finished difference Result 728 states and 1075 transitions. [2022-04-06 08:45:08,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 08:45:08,591 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 1 states have call successors, (3), 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 131 [2022-04-06 08:45:08,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:45:08,593 INFO L225 Difference]: With dead ends: 728 [2022-04-06 08:45:08,594 INFO L226 Difference]: Without dead ends: 728 [2022-04-06 08:45:08,594 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 [2022-04-06 08:45:08,594 INFO L913 BasicCegarLoop]: 270 mSDtfsCounter, 70 mSDsluCounter, 384 mSDsCounter, 0 mSdLazyCounter, 594 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 654 SdHoareTripleChecker+Invalid, 602 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 594 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-04-06 08:45:08,596 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [70 Valid, 654 Invalid, 602 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 594 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2022-04-06 08:45:08,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 728 states. [2022-04-06 08:45:08,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 728 to 641. [2022-04-06 08:45:08,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 641 states, 636 states have (on average 1.479559748427673) internal successors, (941), 636 states have internal predecessors, (941), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:45:08,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 945 transitions. [2022-04-06 08:45:08,605 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 945 transitions. Word has length 131 [2022-04-06 08:45:08,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:45:08,605 INFO L478 AbstractCegarLoop]: Abstraction has 641 states and 945 transitions. [2022-04-06 08:45:08,605 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:45:08,605 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 945 transitions. [2022-04-06 08:45:08,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-04-06 08:45:08,607 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:45:08,607 INFO L499 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 08:45:08,607 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-04-06 08:45:08,607 INFO L403 AbstractCegarLoop]: === Iteration 27 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:45:08,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:45:08,608 INFO L85 PathProgramCache]: Analyzing trace with hash 1649191585, now seen corresponding path program 1 times [2022-04-06 08:45:08,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:45:08,608 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147681363] [2022-04-06 08:45:08,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:45:08,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:45:08,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:45:08,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:45:08,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:45:08,732 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-04-06 08:45:08,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:45:08,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147681363] [2022-04-06 08:45:08,732 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1147681363] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:45:08,732 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:45:08,732 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-06 08:45:08,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810575533] [2022-04-06 08:45:08,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:45:08,733 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-06 08:45:08,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:45:08,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-06 08:45:08,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-06 08:45:08,734 INFO L87 Difference]: Start difference. First operand 641 states and 945 transitions. Second operand has 5 states, 5 states have (on average 24.8) internal successors, (124), 4 states have internal predecessors, (124), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:45:10,377 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:45:12,321 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:45:14,349 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:45:16,371 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:45:16,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:45:16,785 INFO L93 Difference]: Finished difference Result 804 states and 1183 transitions. [2022-04-06 08:45:16,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 08:45:16,785 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.8) internal successors, (124), 4 states have internal predecessors, (124), 1 states have call successors, (3), 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 154 [2022-04-06 08:45:16,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:45:16,787 INFO L225 Difference]: With dead ends: 804 [2022-04-06 08:45:16,787 INFO L226 Difference]: Without dead ends: 804 [2022-04-06 08:45:16,788 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 [2022-04-06 08:45:16,788 INFO L913 BasicCegarLoop]: 132 mSDtfsCounter, 122 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 463 mSolverCounterSat, 56 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 521 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 463 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2022-04-06 08:45:16,788 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [122 Valid, 374 Invalid, 521 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 463 Invalid, 2 Unknown, 0 Unchecked, 8.0s Time] [2022-04-06 08:45:16,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 804 states. [2022-04-06 08:45:16,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 804 to 643. [2022-04-06 08:45:16,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 643 states, 638 states have (on average 1.4717868338557993) internal successors, (939), 638 states have internal predecessors, (939), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:45:16,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 643 states and 943 transitions. [2022-04-06 08:45:16,795 INFO L78 Accepts]: Start accepts. Automaton has 643 states and 943 transitions. Word has length 154 [2022-04-06 08:45:16,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:45:16,796 INFO L478 AbstractCegarLoop]: Abstraction has 643 states and 943 transitions. [2022-04-06 08:45:16,796 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.8) internal successors, (124), 4 states have internal predecessors, (124), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:45:16,796 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 943 transitions. [2022-04-06 08:45:16,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-04-06 08:45:16,797 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:45:16,797 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, 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] [2022-04-06 08:45:16,797 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-04-06 08:45:16,797 INFO L403 AbstractCegarLoop]: === Iteration 28 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:45:16,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:45:16,798 INFO L85 PathProgramCache]: Analyzing trace with hash 1016371692, now seen corresponding path program 1 times [2022-04-06 08:45:16,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:45:16,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605033532] [2022-04-06 08:45:16,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:45:16,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:45:16,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:45:16,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:45:16,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:45:16,891 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-04-06 08:45:16,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:45:16,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605033532] [2022-04-06 08:45:16,891 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605033532] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:45:16,891 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:45:16,891 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-06 08:45:16,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674873751] [2022-04-06 08:45:16,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:45:16,891 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-06 08:45:16,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:45:16,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-06 08:45:16,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-06 08:45:16,892 INFO L87 Difference]: Start difference. First operand 643 states and 943 transitions. Second operand has 5 states, 5 states have (on average 25.2) internal successors, (126), 4 states have internal predecessors, (126), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:45:19,411 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:45:21,438 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:45:22,631 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 [] [2022-04-06 08:45:23,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:45:23,095 INFO L93 Difference]: Finished difference Result 726 states and 1066 transitions. [2022-04-06 08:45:23,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 08:45:23,096 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.2) internal successors, (126), 4 states have internal predecessors, (126), 1 states have call successors, (3), 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 156 [2022-04-06 08:45:23,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:45:23,097 INFO L225 Difference]: With dead ends: 726 [2022-04-06 08:45:23,097 INFO L226 Difference]: Without dead ends: 726 [2022-04-06 08:45:23,098 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 [2022-04-06 08:45:23,098 INFO L913 BasicCegarLoop]: 265 mSDtfsCounter, 76 mSDsluCounter, 379 mSDsCounter, 0 mSdLazyCounter, 581 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 644 SdHoareTripleChecker+Invalid, 590 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 581 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2022-04-06 08:45:23,098 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [76 Valid, 644 Invalid, 590 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 581 Invalid, 2 Unknown, 0 Unchecked, 6.2s Time] [2022-04-06 08:45:23,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 726 states. [2022-04-06 08:45:23,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 726 to 671. [2022-04-06 08:45:23,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 671 states, 666 states have (on average 1.46996996996997) internal successors, (979), 666 states have internal predecessors, (979), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:45:23,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 671 states and 983 transitions. [2022-04-06 08:45:23,104 INFO L78 Accepts]: Start accepts. Automaton has 671 states and 983 transitions. Word has length 156 [2022-04-06 08:45:23,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:45:23,105 INFO L478 AbstractCegarLoop]: Abstraction has 671 states and 983 transitions. [2022-04-06 08:45:23,105 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.2) internal successors, (126), 4 states have internal predecessors, (126), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:45:23,105 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 983 transitions. [2022-04-06 08:45:23,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2022-04-06 08:45:23,106 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:45:23,106 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, 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] [2022-04-06 08:45:23,106 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-04-06 08:45:23,106 INFO L403 AbstractCegarLoop]: === Iteration 29 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:45:23,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:45:23,107 INFO L85 PathProgramCache]: Analyzing trace with hash 844647905, now seen corresponding path program 1 times [2022-04-06 08:45:23,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:45:23,107 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466953558] [2022-04-06 08:45:23,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:45:23,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:45:23,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:45:23,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:45:23,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:45:23,198 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-04-06 08:45:23,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:45:23,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466953558] [2022-04-06 08:45:23,199 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466953558] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:45:23,199 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:45:23,199 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-06 08:45:23,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811717314] [2022-04-06 08:45:23,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:45:23,199 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-06 08:45:23,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:45:23,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-06 08:45:23,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-06 08:45:23,200 INFO L87 Difference]: Start difference. First operand 671 states and 983 transitions. Second operand has 5 states, 5 states have (on average 25.4) internal successors, (127), 4 states have internal predecessors, (127), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:45:26,177 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 [] [2022-04-06 08:45:28,199 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:45:30,222 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:45:30,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:45:30,644 INFO L93 Difference]: Finished difference Result 832 states and 1217 transitions. [2022-04-06 08:45:30,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 08:45:30,645 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.4) internal successors, (127), 4 states have internal predecessors, (127), 1 states have call successors, (3), 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 157 [2022-04-06 08:45:30,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:45:30,647 INFO L225 Difference]: With dead ends: 832 [2022-04-06 08:45:30,647 INFO L226 Difference]: Without dead ends: 832 [2022-04-06 08:45:30,647 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 [2022-04-06 08:45:30,648 INFO L913 BasicCegarLoop]: 132 mSDtfsCounter, 117 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 462 mSolverCounterSat, 56 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 521 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 462 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2022-04-06 08:45:30,648 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [117 Valid, 374 Invalid, 521 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 462 Invalid, 3 Unknown, 0 Unchecked, 7.4s Time] [2022-04-06 08:45:30,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 832 states. [2022-04-06 08:45:30,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 832 to 679. [2022-04-06 08:45:30,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 679 states, 674 states have (on average 1.467359050445104) internal successors, (989), 674 states have internal predecessors, (989), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:45:30,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 679 states and 993 transitions. [2022-04-06 08:45:30,665 INFO L78 Accepts]: Start accepts. Automaton has 679 states and 993 transitions. Word has length 157 [2022-04-06 08:45:30,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:45:30,665 INFO L478 AbstractCegarLoop]: Abstraction has 679 states and 993 transitions. [2022-04-06 08:45:30,665 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.4) internal successors, (127), 4 states have internal predecessors, (127), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:45:30,665 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 993 transitions. [2022-04-06 08:45:30,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-04-06 08:45:30,666 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:45:30,666 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, 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] [2022-04-06 08:45:30,666 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-04-06 08:45:30,667 INFO L403 AbstractCegarLoop]: === Iteration 30 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:45:30,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:45:30,667 INFO L85 PathProgramCache]: Analyzing trace with hash 738183639, now seen corresponding path program 1 times [2022-04-06 08:45:30,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:45:30,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362335939] [2022-04-06 08:45:30,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:45:30,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:45:30,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:45:30,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:45:30,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:45:30,770 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-04-06 08:45:30,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:45:30,771 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362335939] [2022-04-06 08:45:30,771 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362335939] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:45:30,771 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:45:30,771 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-06 08:45:30,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448750395] [2022-04-06 08:45:30,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:45:30,772 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-06 08:45:30,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:45:30,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-06 08:45:30,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-06 08:45:30,772 INFO L87 Difference]: Start difference. First operand 679 states and 993 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) [2022-04-06 08:45:32,496 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:45:34,469 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:45:36,494 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:45:38,516 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:45:39,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:45:39,015 INFO L93 Difference]: Finished difference Result 726 states and 1061 transitions. [2022-04-06 08:45:39,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 08:45:39,015 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 [2022-04-06 08:45:39,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:45:39,017 INFO L225 Difference]: With dead ends: 726 [2022-04-06 08:45:39,017 INFO L226 Difference]: Without dead ends: 726 [2022-04-06 08:45:39,018 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 [2022-04-06 08:45:39,018 INFO L913 BasicCegarLoop]: 259 mSDtfsCounter, 63 mSDsluCounter, 373 mSDsCounter, 0 mSdLazyCounter, 544 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 632 SdHoareTripleChecker+Invalid, 553 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 544 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2022-04-06 08:45:39,018 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [63 Valid, 632 Invalid, 553 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 544 Invalid, 2 Unknown, 0 Unchecked, 8.2s Time] [2022-04-06 08:45:39,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 726 states. [2022-04-06 08:45:39,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 726 to 681. [2022-04-06 08:45:39,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 681 states, 676 states have (on average 1.4659763313609468) internal successors, (991), 676 states have internal predecessors, (991), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:45:39,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 681 states to 681 states and 995 transitions. [2022-04-06 08:45:39,027 INFO L78 Accepts]: Start accepts. Automaton has 681 states and 995 transitions. Word has length 158 [2022-04-06 08:45:39,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:45:39,027 INFO L478 AbstractCegarLoop]: Abstraction has 681 states and 995 transitions. [2022-04-06 08:45:39,028 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) [2022-04-06 08:45:39,028 INFO L276 IsEmpty]: Start isEmpty. Operand 681 states and 995 transitions. [2022-04-06 08:45:39,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2022-04-06 08:45:39,029 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:45:39,029 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, 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] [2022-04-06 08:45:39,029 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-04-06 08:45:39,029 INFO L403 AbstractCegarLoop]: === Iteration 31 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:45:39,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:45:39,030 INFO L85 PathProgramCache]: Analyzing trace with hash -276622805, now seen corresponding path program 1 times [2022-04-06 08:45:39,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:45:39,030 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763148761] [2022-04-06 08:45:39,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:45:39,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:45:39,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:45:39,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:45:39,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:45:39,146 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-04-06 08:45:39,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:45:39,146 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763148761] [2022-04-06 08:45:39,146 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763148761] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:45:39,146 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:45:39,146 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-06 08:45:39,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677904132] [2022-04-06 08:45:39,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:45:39,147 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-06 08:45:39,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:45:39,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-06 08:45:39,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-06 08:45:39,147 INFO L87 Difference]: Start difference. First operand 681 states and 995 transitions. Second operand has 5 states, 5 states have (on average 25.8) internal successors, (129), 4 states have internal predecessors, (129), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:45:41,156 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 [] [2022-04-06 08:45:41,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:45:41,560 INFO L93 Difference]: Finished difference Result 726 states and 1060 transitions. [2022-04-06 08:45:41,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 08:45:41,561 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.8) internal successors, (129), 4 states have internal predecessors, (129), 1 states have call successors, (3), 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 159 [2022-04-06 08:45:41,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:45:41,562 INFO L225 Difference]: With dead ends: 726 [2022-04-06 08:45:41,562 INFO L226 Difference]: Without dead ends: 726 [2022-04-06 08:45:41,563 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 [2022-04-06 08:45:41,563 INFO L913 BasicCegarLoop]: 258 mSDtfsCounter, 66 mSDsluCounter, 372 mSDsCounter, 0 mSdLazyCounter, 541 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 630 SdHoareTripleChecker+Invalid, 549 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 541 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-04-06 08:45:41,563 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [66 Valid, 630 Invalid, 549 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 541 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-04-06 08:45:41,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 726 states. [2022-04-06 08:45:41,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 726 to 681. [2022-04-06 08:45:41,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 681 states, 676 states have (on average 1.4644970414201184) internal successors, (990), 676 states have internal predecessors, (990), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:45:41,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 681 states to 681 states and 994 transitions. [2022-04-06 08:45:41,569 INFO L78 Accepts]: Start accepts. Automaton has 681 states and 994 transitions. Word has length 159 [2022-04-06 08:45:41,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:45:41,569 INFO L478 AbstractCegarLoop]: Abstraction has 681 states and 994 transitions. [2022-04-06 08:45:41,569 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.8) internal successors, (129), 4 states have internal predecessors, (129), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:45:41,569 INFO L276 IsEmpty]: Start isEmpty. Operand 681 states and 994 transitions. [2022-04-06 08:45:41,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2022-04-06 08:45:41,570 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:45:41,570 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, 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] [2022-04-06 08:45:41,571 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-04-06 08:45:41,571 INFO L403 AbstractCegarLoop]: === Iteration 32 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:45:41,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:45:41,571 INFO L85 PathProgramCache]: Analyzing trace with hash 2067546830, now seen corresponding path program 1 times [2022-04-06 08:45:41,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:45:41,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17718834] [2022-04-06 08:45:41,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:45:41,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:45:41,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:45:41,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:45:41,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:45:41,665 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 143 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-04-06 08:45:41,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:45:41,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17718834] [2022-04-06 08:45:41,665 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17718834] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:45:41,665 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:45:41,666 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-06 08:45:41,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232961536] [2022-04-06 08:45:41,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:45:41,666 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-06 08:45:41,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:45:41,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-06 08:45:41,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-06 08:45:41,666 INFO L87 Difference]: Start difference. First operand 681 states and 994 transitions. Second operand has 5 states, 5 states have (on average 25.8) internal successors, (129), 4 states have internal predecessors, (129), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:45:43,119 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 [] [2022-04-06 08:45:46,249 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 [] [2022-04-06 08:45:46,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:45:46,740 INFO L93 Difference]: Finished difference Result 724 states and 1057 transitions. [2022-04-06 08:45:46,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 08:45:46,740 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.8) internal successors, (129), 4 states have internal predecessors, (129), 1 states have call successors, (3), 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 159 [2022-04-06 08:45:46,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:45:46,742 INFO L225 Difference]: With dead ends: 724 [2022-04-06 08:45:46,742 INFO L226 Difference]: Without dead ends: 724 [2022-04-06 08:45:46,743 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 [2022-04-06 08:45:46,743 INFO L913 BasicCegarLoop]: 256 mSDtfsCounter, 59 mSDsluCounter, 370 mSDsCounter, 0 mSdLazyCounter, 538 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 626 SdHoareTripleChecker+Invalid, 546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 538 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-04-06 08:45:46,743 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [59 Valid, 626 Invalid, 546 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 538 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2022-04-06 08:45:46,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 724 states. [2022-04-06 08:45:46,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 724 to 682. [2022-04-06 08:45:46,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 682 states, 677 states have (on average 1.463810930576071) internal successors, (991), 677 states have internal predecessors, (991), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:45:46,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 682 states and 995 transitions. [2022-04-06 08:45:46,751 INFO L78 Accepts]: Start accepts. Automaton has 682 states and 995 transitions. Word has length 159 [2022-04-06 08:45:46,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:45:46,751 INFO L478 AbstractCegarLoop]: Abstraction has 682 states and 995 transitions. [2022-04-06 08:45:46,752 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.8) internal successors, (129), 4 states have internal predecessors, (129), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:45:46,752 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 995 transitions. [2022-04-06 08:45:46,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2022-04-06 08:45:46,753 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:45:46,753 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, 1] [2022-04-06 08:45:46,753 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-04-06 08:45:46,753 INFO L403 AbstractCegarLoop]: === Iteration 33 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:45:46,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:45:46,753 INFO L85 PathProgramCache]: Analyzing trace with hash 1209469214, now seen corresponding path program 1 times [2022-04-06 08:45:46,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:45:46,754 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656331633] [2022-04-06 08:45:46,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:45:46,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:45:46,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:45:46,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:45:46,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:45:46,870 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-04-06 08:45:46,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:45:46,870 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656331633] [2022-04-06 08:45:46,870 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1656331633] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:45:46,870 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:45:46,870 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-06 08:45:46,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27416123] [2022-04-06 08:45:46,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:45:46,870 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-06 08:45:46,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:45:46,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-06 08:45:46,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-06 08:45:46,871 INFO L87 Difference]: Start difference. First operand 682 states and 995 transitions. Second operand has 5 states, 5 states have (on average 25.8) internal successors, (129), 4 states have internal predecessors, (129), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:45:48,880 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 [] [2022-04-06 08:45:49,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:45:49,273 INFO L93 Difference]: Finished difference Result 965 states and 1411 transitions. [2022-04-06 08:45:49,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 08:45:49,273 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.8) internal successors, (129), 4 states have internal predecessors, (129), 1 states have call successors, (3), 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 159 [2022-04-06 08:45:49,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:45:49,275 INFO L225 Difference]: With dead ends: 965 [2022-04-06 08:45:49,275 INFO L226 Difference]: Without dead ends: 965 [2022-04-06 08:45:49,276 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 [2022-04-06 08:45:49,276 INFO L913 BasicCegarLoop]: 137 mSDtfsCounter, 112 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 456 mSolverCounterSat, 44 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 501 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 456 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-04-06 08:45:49,276 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [112 Valid, 384 Invalid, 501 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 456 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-04-06 08:45:49,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 965 states. [2022-04-06 08:45:49,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 965 to 810. [2022-04-06 08:45:49,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 810 states, 805 states have (on average 1.462111801242236) internal successors, (1177), 805 states have internal predecessors, (1177), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:45:49,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 810 states to 810 states and 1181 transitions. [2022-04-06 08:45:49,284 INFO L78 Accepts]: Start accepts. Automaton has 810 states and 1181 transitions. Word has length 159 [2022-04-06 08:45:49,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:45:49,284 INFO L478 AbstractCegarLoop]: Abstraction has 810 states and 1181 transitions. [2022-04-06 08:45:49,284 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.8) internal successors, (129), 4 states have internal predecessors, (129), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:45:49,284 INFO L276 IsEmpty]: Start isEmpty. Operand 810 states and 1181 transitions. [2022-04-06 08:45:49,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-04-06 08:45:49,285 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:45:49,286 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, 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] [2022-04-06 08:45:49,286 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-04-06 08:45:49,286 INFO L403 AbstractCegarLoop]: === Iteration 34 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:45:49,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:45:49,286 INFO L85 PathProgramCache]: Analyzing trace with hash 350686870, now seen corresponding path program 1 times [2022-04-06 08:45:49,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:45:49,286 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933444527] [2022-04-06 08:45:49,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:45:49,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:45:49,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:45:49,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:45:49,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:45:49,382 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 135 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-04-06 08:45:49,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:45:49,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933444527] [2022-04-06 08:45:49,382 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933444527] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:45:49,382 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:45:49,382 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-06 08:45:49,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647111150] [2022-04-06 08:45:49,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:45:49,383 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-06 08:45:49,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:45:49,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-06 08:45:49,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-06 08:45:49,383 INFO L87 Difference]: Start difference. First operand 810 states and 1181 transitions. Second operand has 5 states, 5 states have (on average 26.0) internal successors, (130), 4 states have internal predecessors, (130), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:45:50,899 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:45:52,922 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:45:54,948 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:45:56,975 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:45:57,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:45:57,400 INFO L93 Difference]: Finished difference Result 963 states and 1394 transitions. [2022-04-06 08:45:57,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 08:45:57,400 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.0) internal successors, (130), 4 states have internal predecessors, (130), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 160 [2022-04-06 08:45:57,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:45:57,402 INFO L225 Difference]: With dead ends: 963 [2022-04-06 08:45:57,402 INFO L226 Difference]: Without dead ends: 963 [2022-04-06 08:45:57,403 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 [2022-04-06 08:45:57,403 INFO L913 BasicCegarLoop]: 131 mSDtfsCounter, 118 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 461 mSolverCounterSat, 56 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 372 SdHoareTripleChecker+Invalid, 520 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 461 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2022-04-06 08:45:57,404 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [118 Valid, 372 Invalid, 520 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 461 Invalid, 3 Unknown, 0 Unchecked, 8.0s Time] [2022-04-06 08:45:57,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2022-04-06 08:45:57,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 810. [2022-04-06 08:45:57,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 810 states, 805 states have (on average 1.448447204968944) internal successors, (1166), 805 states have internal predecessors, (1166), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:45:57,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 810 states to 810 states and 1170 transitions. [2022-04-06 08:45:57,412 INFO L78 Accepts]: Start accepts. Automaton has 810 states and 1170 transitions. Word has length 160 [2022-04-06 08:45:57,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:45:57,413 INFO L478 AbstractCegarLoop]: Abstraction has 810 states and 1170 transitions. [2022-04-06 08:45:57,413 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.0) internal successors, (130), 4 states have internal predecessors, (130), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:45:57,413 INFO L276 IsEmpty]: Start isEmpty. Operand 810 states and 1170 transitions. [2022-04-06 08:45:57,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2022-04-06 08:45:57,415 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:45:57,415 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, 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] [2022-04-06 08:45:57,415 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-04-06 08:45:57,415 INFO L403 AbstractCegarLoop]: === Iteration 35 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:45:57,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:45:57,416 INFO L85 PathProgramCache]: Analyzing trace with hash -1895720281, now seen corresponding path program 1 times [2022-04-06 08:45:57,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:45:57,416 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990445964] [2022-04-06 08:45:57,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:45:57,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:45:57,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:45:57,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:45:57,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:45:57,527 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-04-06 08:45:57,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:45:57,527 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990445964] [2022-04-06 08:45:57,527 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990445964] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:45:57,527 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:45:57,527 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-06 08:45:57,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465375742] [2022-04-06 08:45:57,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:45:57,527 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-06 08:45:57,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:45:57,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-06 08:45:57,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-06 08:45:57,528 INFO L87 Difference]: Start difference. First operand 810 states and 1170 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) [2022-04-06 08:45:58,906 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:46:00,923 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:46:02,948 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 [] [2022-04-06 08:46:03,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:46:03,343 INFO L93 Difference]: Finished difference Result 1041 states and 1508 transitions. [2022-04-06 08:46:03,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 08:46:03,343 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 162 [2022-04-06 08:46:03,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:46:03,346 INFO L225 Difference]: With dead ends: 1041 [2022-04-06 08:46:03,346 INFO L226 Difference]: Without dead ends: 1041 [2022-04-06 08:46:03,346 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 [2022-04-06 08:46:03,346 INFO L913 BasicCegarLoop]: 131 mSDtfsCounter, 111 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 463 mSolverCounterSat, 54 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 372 SdHoareTripleChecker+Invalid, 519 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 463 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-04-06 08:46:03,346 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [111 Valid, 372 Invalid, 519 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 463 Invalid, 2 Unknown, 0 Unchecked, 5.8s Time] [2022-04-06 08:46:03,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1041 states. [2022-04-06 08:46:03,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1041 to 884. [2022-04-06 08:46:03,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 884 states, 879 states have (on average 1.4493742889647327) internal successors, (1274), 879 states have internal predecessors, (1274), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:46:03,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 884 states to 884 states and 1278 transitions. [2022-04-06 08:46:03,355 INFO L78 Accepts]: Start accepts. Automaton has 884 states and 1278 transitions. Word has length 162 [2022-04-06 08:46:03,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:46:03,356 INFO L478 AbstractCegarLoop]: Abstraction has 884 states and 1278 transitions. [2022-04-06 08:46:03,356 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) [2022-04-06 08:46:03,356 INFO L276 IsEmpty]: Start isEmpty. Operand 884 states and 1278 transitions. [2022-04-06 08:46:03,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-04-06 08:46:03,357 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:46:03,357 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, 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] [2022-04-06 08:46:03,357 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-04-06 08:46:03,357 INFO L403 AbstractCegarLoop]: === Iteration 36 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:46:03,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:46:03,358 INFO L85 PathProgramCache]: Analyzing trace with hash 1355625361, now seen corresponding path program 1 times [2022-04-06 08:46:03,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:46:03,358 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553131616] [2022-04-06 08:46:03,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:46:03,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:46:03,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:46:03,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:46:03,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:46:03,459 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-04-06 08:46:03,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:46:03,459 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553131616] [2022-04-06 08:46:03,459 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553131616] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:46:03,459 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:46:03,460 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-06 08:46:03,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039608601] [2022-04-06 08:46:03,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:46:03,460 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-06 08:46:03,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:46:03,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-06 08:46:03,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-06 08:46:03,461 INFO L87 Difference]: Start difference. First operand 884 states and 1278 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) [2022-04-06 08:46:05,269 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:46:07,300 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:46:09,331 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:46:10,946 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:46:11,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:46:11,335 INFO L93 Difference]: Finished difference Result 1029 states and 1480 transitions. [2022-04-06 08:46:11,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 08:46:11,336 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 [2022-04-06 08:46:11,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:46:11,338 INFO L225 Difference]: With dead ends: 1029 [2022-04-06 08:46:11,338 INFO L226 Difference]: Without dead ends: 1029 [2022-04-06 08:46:11,338 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 [2022-04-06 08:46:11,338 INFO L913 BasicCegarLoop]: 131 mSDtfsCounter, 110 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 462 mSolverCounterSat, 56 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 372 SdHoareTripleChecker+Invalid, 520 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 462 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2022-04-06 08:46:11,338 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [110 Valid, 372 Invalid, 520 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 462 Invalid, 2 Unknown, 0 Unchecked, 7.9s Time] [2022-04-06 08:46:11,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1029 states. [2022-04-06 08:46:11,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1029 to 886. [2022-04-06 08:46:11,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 886 states, 881 states have (on average 1.4438138479001135) internal successors, (1272), 881 states have internal predecessors, (1272), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:46:11,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 886 states and 1276 transitions. [2022-04-06 08:46:11,347 INFO L78 Accepts]: Start accepts. Automaton has 886 states and 1276 transitions. Word has length 163 [2022-04-06 08:46:11,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:46:11,347 INFO L478 AbstractCegarLoop]: Abstraction has 886 states and 1276 transitions. [2022-04-06 08:46:11,347 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) [2022-04-06 08:46:11,347 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 1276 transitions. [2022-04-06 08:46:11,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-04-06 08:46:11,348 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:46:11,348 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, 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] [2022-04-06 08:46:11,348 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-04-06 08:46:11,348 INFO L403 AbstractCegarLoop]: === Iteration 37 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:46:11,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:46:11,349 INFO L85 PathProgramCache]: Analyzing trace with hash -1144238694, now seen corresponding path program 1 times [2022-04-06 08:46:11,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:46:11,349 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409636830] [2022-04-06 08:46:11,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:46:11,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:46:11,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:46:11,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:46:11,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:46:11,440 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-04-06 08:46:11,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:46:11,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409636830] [2022-04-06 08:46:11,440 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [409636830] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:46:11,440 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:46:11,440 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-06 08:46:11,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730032308] [2022-04-06 08:46:11,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:46:11,441 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-06 08:46:11,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:46:11,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-06 08:46:11,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-06 08:46:11,441 INFO L87 Difference]: Start difference. First operand 886 states and 1276 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) [2022-04-06 08:46:13,857 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 [] [2022-04-06 08:46:16,361 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 [] [2022-04-06 08:46:16,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:46:16,759 INFO L93 Difference]: Finished difference Result 1107 states and 1588 transitions. [2022-04-06 08:46:16,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 08:46:16,759 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 [2022-04-06 08:46:16,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:46:16,761 INFO L225 Difference]: With dead ends: 1107 [2022-04-06 08:46:16,761 INFO L226 Difference]: Without dead ends: 1107 [2022-04-06 08:46:16,762 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 [2022-04-06 08:46:16,762 INFO L913 BasicCegarLoop]: 131 mSDtfsCounter, 108 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 464 mSolverCounterSat, 54 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 372 SdHoareTripleChecker+Invalid, 519 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 464 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-04-06 08:46:16,762 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [108 Valid, 372 Invalid, 519 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 464 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2022-04-06 08:46:16,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1107 states. [2022-04-06 08:46:16,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1107 to 958. [2022-04-06 08:46:16,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 958 states, 953 states have (on average 1.4375655823714586) internal successors, (1370), 953 states have internal predecessors, (1370), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:46:16,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 958 states to 958 states and 1374 transitions. [2022-04-06 08:46:16,770 INFO L78 Accepts]: Start accepts. Automaton has 958 states and 1374 transitions. Word has length 163 [2022-04-06 08:46:16,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:46:16,770 INFO L478 AbstractCegarLoop]: Abstraction has 958 states and 1374 transitions. [2022-04-06 08:46:16,770 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) [2022-04-06 08:46:16,770 INFO L276 IsEmpty]: Start isEmpty. Operand 958 states and 1374 transitions. [2022-04-06 08:46:16,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2022-04-06 08:46:16,773 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:46:16,773 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, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 08:46:16,773 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-04-06 08:46:16,773 INFO L403 AbstractCegarLoop]: === Iteration 38 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:46:16,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:46:16,773 INFO L85 PathProgramCache]: Analyzing trace with hash -1885264849, now seen corresponding path program 1 times [2022-04-06 08:46:16,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:46:16,773 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821562206] [2022-04-06 08:46:16,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:46:16,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:46:16,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:46:16,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:46:16,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:46:16,901 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 153 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-04-06 08:46:16,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:46:16,902 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821562206] [2022-04-06 08:46:16,902 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821562206] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:46:16,902 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:46:16,902 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-06 08:46:16,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965404934] [2022-04-06 08:46:16,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:46:16,903 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-06 08:46:16,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:46:16,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-06 08:46:16,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-06 08:46:16,919 INFO L87 Difference]: Start difference. First operand 958 states and 1374 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) [2022-04-06 08:46:19,649 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 [] [2022-04-06 08:46:21,676 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:46:22,965 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:46:23,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:46:23,312 INFO L93 Difference]: Finished difference Result 989 states and 1417 transitions. [2022-04-06 08:46:23,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 08:46:23,313 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 [2022-04-06 08:46:23,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:46:23,315 INFO L225 Difference]: With dead ends: 989 [2022-04-06 08:46:23,315 INFO L226 Difference]: Without dead ends: 989 [2022-04-06 08:46:23,316 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 [2022-04-06 08:46:23,316 INFO L913 BasicCegarLoop]: 245 mSDtfsCounter, 42 mSDsluCounter, 359 mSDsCounter, 0 mSdLazyCounter, 493 mSolverCounterSat, 5 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 604 SdHoareTripleChecker+Invalid, 500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 493 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2022-04-06 08:46:23,316 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [42 Valid, 604 Invalid, 500 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 493 Invalid, 2 Unknown, 0 Unchecked, 6.4s Time] [2022-04-06 08:46:23,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 989 states. [2022-04-06 08:46:23,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 989 to 963. [2022-04-06 08:46:23,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 963 states, 958 states have (on average 1.4352818371607516) internal successors, (1375), 958 states have internal predecessors, (1375), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:46:23,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 963 states and 1379 transitions. [2022-04-06 08:46:23,323 INFO L78 Accepts]: Start accepts. Automaton has 963 states and 1379 transitions. Word has length 164 [2022-04-06 08:46:23,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:46:23,324 INFO L478 AbstractCegarLoop]: Abstraction has 963 states and 1379 transitions. [2022-04-06 08:46:23,324 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) [2022-04-06 08:46:23,324 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1379 transitions. [2022-04-06 08:46:23,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2022-04-06 08:46:23,325 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:46:23,325 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, 1] [2022-04-06 08:46:23,325 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-04-06 08:46:23,325 INFO L403 AbstractCegarLoop]: === Iteration 39 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:46:23,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:46:23,326 INFO L85 PathProgramCache]: Analyzing trace with hash -903534559, now seen corresponding path program 1 times [2022-04-06 08:46:23,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:46:23,326 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109985258] [2022-04-06 08:46:23,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:46:23,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:46:23,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:46:23,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:46:23,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:46:23,420 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-04-06 08:46:23,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:46:23,420 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109985258] [2022-04-06 08:46:23,421 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109985258] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:46:23,421 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:46:23,421 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-06 08:46:23,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364547207] [2022-04-06 08:46:23,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:46:23,421 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-06 08:46:23,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:46:23,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-06 08:46:23,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-06 08:46:23,421 INFO L87 Difference]: Start difference. First operand 963 states and 1379 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) [2022-04-06 08:46:24,533 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:46:26,900 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:46:27,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:46:27,273 INFO L93 Difference]: Finished difference Result 989 states and 1416 transitions. [2022-04-06 08:46:27,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 08:46:27,274 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 [2022-04-06 08:46:27,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:46:27,276 INFO L225 Difference]: With dead ends: 989 [2022-04-06 08:46:27,276 INFO L226 Difference]: Without dead ends: 989 [2022-04-06 08:46:27,276 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 [2022-04-06 08:46:27,276 INFO L913 BasicCegarLoop]: 244 mSDtfsCounter, 40 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 494 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 602 SdHoareTripleChecker+Invalid, 499 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 494 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-04-06 08:46:27,276 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [40 Valid, 602 Invalid, 499 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 494 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-04-06 08:46:27,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 989 states. [2022-04-06 08:46:27,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 989 to 964. [2022-04-06 08:46:27,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 964 states, 959 states have (on average 1.434827945776851) internal successors, (1376), 959 states have internal predecessors, (1376), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:46:27,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 964 states to 964 states and 1380 transitions. [2022-04-06 08:46:27,284 INFO L78 Accepts]: Start accepts. Automaton has 964 states and 1380 transitions. Word has length 164 [2022-04-06 08:46:27,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:46:27,285 INFO L478 AbstractCegarLoop]: Abstraction has 964 states and 1380 transitions. [2022-04-06 08:46:27,285 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) [2022-04-06 08:46:27,285 INFO L276 IsEmpty]: Start isEmpty. Operand 964 states and 1380 transitions. [2022-04-06 08:46:27,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-04-06 08:46:27,286 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:46:27,286 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, 1] [2022-04-06 08:46:27,286 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-04-06 08:46:27,286 INFO L403 AbstractCegarLoop]: === Iteration 40 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:46:27,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:46:27,287 INFO L85 PathProgramCache]: Analyzing trace with hash -425501681, now seen corresponding path program 1 times [2022-04-06 08:46:27,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:46:27,287 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156628509] [2022-04-06 08:46:27,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:46:27,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:46:27,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:46:27,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:46:27,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:46:27,410 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-04-06 08:46:27,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:46:27,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156628509] [2022-04-06 08:46:27,410 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1156628509] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:46:27,410 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:46:27,410 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-06 08:46:27,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045010667] [2022-04-06 08:46:27,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:46:27,411 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-06 08:46:27,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:46:27,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-06 08:46:27,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-06 08:46:27,411 INFO L87 Difference]: Start difference. First operand 964 states and 1380 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) [2022-04-06 08:46:28,645 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:46:30,661 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:46:32,691 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 [] [2022-04-06 08:46:33,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:46:33,481 INFO L93 Difference]: Finished difference Result 987 states and 1413 transitions. [2022-04-06 08:46:33,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 08:46:33,481 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 165 [2022-04-06 08:46:33,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:46:33,483 INFO L225 Difference]: With dead ends: 987 [2022-04-06 08:46:33,483 INFO L226 Difference]: Without dead ends: 987 [2022-04-06 08:46:33,484 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 [2022-04-06 08:46:33,484 INFO L913 BasicCegarLoop]: 242 mSDtfsCounter, 37 mSDsluCounter, 356 mSDsCounter, 0 mSdLazyCounter, 486 mSolverCounterSat, 5 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 598 SdHoareTripleChecker+Invalid, 493 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 486 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-04-06 08:46:33,484 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [37 Valid, 598 Invalid, 493 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 486 Invalid, 2 Unknown, 0 Unchecked, 6.1s Time] [2022-04-06 08:46:33,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 987 states. [2022-04-06 08:46:33,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 987 to 965. [2022-04-06 08:46:33,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 965 states, 960 states have (on average 1.434375) internal successors, (1377), 960 states have internal predecessors, (1377), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:46:33,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 965 states to 965 states and 1381 transitions. [2022-04-06 08:46:33,492 INFO L78 Accepts]: Start accepts. Automaton has 965 states and 1381 transitions. Word has length 165 [2022-04-06 08:46:33,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:46:33,492 INFO L478 AbstractCegarLoop]: Abstraction has 965 states and 1381 transitions. [2022-04-06 08:46:33,492 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) [2022-04-06 08:46:33,492 INFO L276 IsEmpty]: Start isEmpty. Operand 965 states and 1381 transitions. [2022-04-06 08:46:33,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-04-06 08:46:33,493 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:46:33,494 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, 1] [2022-04-06 08:46:33,494 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-04-06 08:46:33,494 INFO L403 AbstractCegarLoop]: === Iteration 41 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:46:33,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:46:33,494 INFO L85 PathProgramCache]: Analyzing trace with hash -1040554030, now seen corresponding path program 1 times [2022-04-06 08:46:33,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:46:33,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008571662] [2022-04-06 08:46:33,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:46:33,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:46:33,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:46:33,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:46:33,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:46:33,590 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2022-04-06 08:46:33,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:46:33,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008571662] [2022-04-06 08:46:33,590 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008571662] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:46:33,590 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:46:33,590 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 08:46:33,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036399941] [2022-04-06 08:46:33,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:46:33,590 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 08:46:33,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:46:33,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 08:46:33,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 08:46:33,591 INFO L87 Difference]: Start difference. First operand 965 states and 1381 transitions. Second operand has 4 states, 4 states have (on average 27.0) internal successors, (108), 3 states have internal predecessors, (108), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:46:34,647 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 [] [2022-04-06 08:46:36,994 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 [] [2022-04-06 08:46:37,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:46:37,399 INFO L93 Difference]: Finished difference Result 1434 states and 2051 transitions. [2022-04-06 08:46:37,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 08:46:37,400 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.0) internal successors, (108), 3 states have internal predecessors, (108), 1 states have call successors, (3), 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 173 [2022-04-06 08:46:37,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:46:37,403 INFO L225 Difference]: With dead ends: 1434 [2022-04-06 08:46:37,403 INFO L226 Difference]: Without dead ends: 1434 [2022-04-06 08:46:37,404 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 [2022-04-06 08:46:37,404 INFO L913 BasicCegarLoop]: 384 mSDtfsCounter, 141 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 427 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 578 SdHoareTripleChecker+Invalid, 437 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 427 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-04-06 08:46:37,404 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [141 Valid, 578 Invalid, 437 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 427 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-04-06 08:46:37,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1434 states. [2022-04-06 08:46:37,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1434 to 1434. [2022-04-06 08:46:37,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1434 states, 1429 states have (on average 1.4324702589223233) internal successors, (2047), 1429 states have internal predecessors, (2047), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:46:37,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1434 states to 1434 states and 2051 transitions. [2022-04-06 08:46:37,418 INFO L78 Accepts]: Start accepts. Automaton has 1434 states and 2051 transitions. Word has length 173 [2022-04-06 08:46:37,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:46:37,418 INFO L478 AbstractCegarLoop]: Abstraction has 1434 states and 2051 transitions. [2022-04-06 08:46:37,418 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.0) internal successors, (108), 3 states have internal predecessors, (108), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:46:37,418 INFO L276 IsEmpty]: Start isEmpty. Operand 1434 states and 2051 transitions. [2022-04-06 08:46:37,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2022-04-06 08:46:37,420 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:46:37,420 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, 1, 1] [2022-04-06 08:46:37,420 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-04-06 08:46:37,420 INFO L403 AbstractCegarLoop]: === Iteration 42 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:46:37,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:46:37,420 INFO L85 PathProgramCache]: Analyzing trace with hash -865236792, now seen corresponding path program 1 times [2022-04-06 08:46:37,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:46:37,420 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723146798] [2022-04-06 08:46:37,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:46:37,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:46:37,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:46:37,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:46:37,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:46:37,525 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-04-06 08:46:37,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:46:37,525 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723146798] [2022-04-06 08:46:37,525 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1723146798] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:46:37,525 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:46:37,525 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 08:46:37,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818047958] [2022-04-06 08:46:37,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:46:37,525 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 08:46:37,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:46:37,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 08:46:37,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 08:46:37,526 INFO L87 Difference]: Start difference. First operand 1434 states and 2051 transitions. Second operand has 4 states, 4 states have (on average 36.0) internal successors, (144), 3 states have internal predecessors, (144), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:46:39,192 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 [] [2022-04-06 08:46:40,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:46:40,462 INFO L93 Difference]: Finished difference Result 1871 states and 2674 transitions. [2022-04-06 08:46:40,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 08:46:40,462 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 36.0) internal successors, (144), 3 states have internal predecessors, (144), 1 states have call successors, (3), 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 174 [2022-04-06 08:46:40,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:46:40,466 INFO L225 Difference]: With dead ends: 1871 [2022-04-06 08:46:40,466 INFO L226 Difference]: Without dead ends: 1871 [2022-04-06 08:46:40,466 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 [2022-04-06 08:46:40,466 INFO L913 BasicCegarLoop]: 379 mSDtfsCounter, 138 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 422 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 573 SdHoareTripleChecker+Invalid, 432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 422 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-04-06 08:46:40,466 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [138 Valid, 573 Invalid, 432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 422 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-04-06 08:46:40,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1871 states. [2022-04-06 08:46:40,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1871 to 1871. [2022-04-06 08:46:40,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1871 states, 1866 states have (on average 1.4308681672025723) internal successors, (2670), 1866 states have internal predecessors, (2670), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:46:40,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1871 states to 1871 states and 2674 transitions. [2022-04-06 08:46:40,481 INFO L78 Accepts]: Start accepts. Automaton has 1871 states and 2674 transitions. Word has length 174 [2022-04-06 08:46:40,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:46:40,482 INFO L478 AbstractCegarLoop]: Abstraction has 1871 states and 2674 transitions. [2022-04-06 08:46:40,482 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 36.0) internal successors, (144), 3 states have internal predecessors, (144), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:46:40,482 INFO L276 IsEmpty]: Start isEmpty. Operand 1871 states and 2674 transitions. [2022-04-06 08:46:40,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2022-04-06 08:46:40,484 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:46:40,484 INFO L499 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-04-06 08:46:40,484 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-04-06 08:46:40,484 INFO L403 AbstractCegarLoop]: === Iteration 43 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:46:40,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:46:40,485 INFO L85 PathProgramCache]: Analyzing trace with hash 1546774342, now seen corresponding path program 1 times [2022-04-06 08:46:40,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:46:40,485 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649697471] [2022-04-06 08:46:40,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:46:40,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:46:40,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:46:40,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:46:40,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:46:40,591 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2022-04-06 08:46:40,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:46:40,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649697471] [2022-04-06 08:46:40,592 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649697471] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:46:40,593 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:46:40,593 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 08:46:40,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998861294] [2022-04-06 08:46:40,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:46:40,593 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 08:46:40,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:46:40,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 08:46:40,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 08:46:40,594 INFO L87 Difference]: Start difference. First operand 1871 states and 2674 transitions. Second operand has 4 states, 4 states have (on average 28.75) internal successors, (115), 3 states have internal predecessors, (115), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:46:42,875 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:46:44,901 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:46:45,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:46:45,152 INFO L93 Difference]: Finished difference Result 2346 states and 3357 transitions. [2022-04-06 08:46:45,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 08:46:45,153 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.75) internal successors, (115), 3 states have internal predecessors, (115), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 213 [2022-04-06 08:46:45,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:46:45,160 INFO L225 Difference]: With dead ends: 2346 [2022-04-06 08:46:45,160 INFO L226 Difference]: Without dead ends: 2346 [2022-04-06 08:46:45,160 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 [2022-04-06 08:46:45,161 INFO L913 BasicCegarLoop]: 197 mSDtfsCounter, 154 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 15 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 382 SdHoareTripleChecker+Invalid, 266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-04-06 08:46:45,161 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [154 Valid, 382 Invalid, 266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 250 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2022-04-06 08:46:45,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2346 states. [2022-04-06 08:46:45,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2346 to 2346. [2022-04-06 08:46:45,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2346 states, 2341 states have (on average 1.4322938914993593) internal successors, (3353), 2341 states have internal predecessors, (3353), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:46:45,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2346 states to 2346 states and 3357 transitions. [2022-04-06 08:46:45,206 INFO L78 Accepts]: Start accepts. Automaton has 2346 states and 3357 transitions. Word has length 213 [2022-04-06 08:46:45,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:46:45,206 INFO L478 AbstractCegarLoop]: Abstraction has 2346 states and 3357 transitions. [2022-04-06 08:46:45,206 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.75) internal successors, (115), 3 states have internal predecessors, (115), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:46:45,206 INFO L276 IsEmpty]: Start isEmpty. Operand 2346 states and 3357 transitions. [2022-04-06 08:46:45,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2022-04-06 08:46:45,210 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:46:45,210 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, 1, 1, 1] [2022-04-06 08:46:45,210 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-04-06 08:46:45,210 INFO L403 AbstractCegarLoop]: === Iteration 44 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:46:45,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:46:45,211 INFO L85 PathProgramCache]: Analyzing trace with hash 503424760, now seen corresponding path program 1 times [2022-04-06 08:46:45,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:46:45,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780152066] [2022-04-06 08:46:45,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:46:45,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:46:45,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:46:45,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:46:45,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:46:45,390 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 474 proven. 106 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2022-04-06 08:46:45,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:46:45,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780152066] [2022-04-06 08:46:45,390 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1780152066] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-06 08:46:45,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1003282523] [2022-04-06 08:46:45,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:46:45,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-06 08:46:45,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-06 08:46:45,393 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-06 08:46:45,407 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-04-06 08:46:46,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:46:46,168 INFO L263 TraceCheckSpWp]: Trace formula consists of 1575 conjuncts, 2 conjunts are in the unsatisfiable core [2022-04-06 08:46:46,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-06 08:46:46,626 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 203 proven. 0 refuted. 0 times theorem prover too weak. 512 trivial. 0 not checked. [2022-04-06 08:46:46,626 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-06 08:46:46,626 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1003282523] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:46:46,626 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-04-06 08:46:46,626 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2022-04-06 08:46:46,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297740093] [2022-04-06 08:46:46,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:46:46,627 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-06 08:46:46,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:46:46,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-06 08:46:46,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-04-06 08:46:46,628 INFO L87 Difference]: Start difference. First operand 2346 states and 3357 transitions. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 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) [2022-04-06 08:46:46,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:46:46,659 INFO L93 Difference]: Finished difference Result 2821 states and 4042 transitions. [2022-04-06 08:46:46,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-06 08:46:46,659 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 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 298 [2022-04-06 08:46:46,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:46:46,669 INFO L225 Difference]: With dead ends: 2821 [2022-04-06 08:46:46,670 INFO L226 Difference]: Without dead ends: 2821 [2022-04-06 08:46:46,670 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 308 GetRequests, 302 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-04-06 08:46:46,671 INFO L913 BasicCegarLoop]: 198 mSDtfsCounter, 155 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-06 08:46:46,671 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [155 Valid, 383 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-06 08:46:46,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2821 states. [2022-04-06 08:46:46,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2821 to 2821. [2022-04-06 08:46:46,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2821 states, 2816 states have (on average 1.4339488636363635) internal successors, (4038), 2816 states have internal predecessors, (4038), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:46:46,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2821 states to 2821 states and 4042 transitions. [2022-04-06 08:46:46,704 INFO L78 Accepts]: Start accepts. Automaton has 2821 states and 4042 transitions. Word has length 298 [2022-04-06 08:46:46,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:46:46,704 INFO L478 AbstractCegarLoop]: Abstraction has 2821 states and 4042 transitions. [2022-04-06 08:46:46,705 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 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) [2022-04-06 08:46:46,705 INFO L276 IsEmpty]: Start isEmpty. Operand 2821 states and 4042 transitions. [2022-04-06 08:46:46,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2022-04-06 08:46:46,709 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:46:46,709 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, 7, 7, 7, 7, 7, 7, 7, 5, 4, 3, 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] [2022-04-06 08:46:46,738 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-04-06 08:46:46,915 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2022-04-06 08:46:46,915 INFO L403 AbstractCegarLoop]: === Iteration 45 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:46:46,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:46:46,916 INFO L85 PathProgramCache]: Analyzing trace with hash 1878127801, now seen corresponding path program 1 times [2022-04-06 08:46:46,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:46:46,916 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587095761] [2022-04-06 08:46:46,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:46:46,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:46:46,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:46:47,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:46:47,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:46:47,073 INFO L134 CoverageAnalysis]: Checked inductivity of 959 backedges. 646 proven. 106 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-04-06 08:46:47,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:46:47,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587095761] [2022-04-06 08:46:47,073 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [587095761] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-06 08:46:47,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1986296719] [2022-04-06 08:46:47,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:46:47,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-06 08:46:47,074 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-06 08:46:47,074 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-06 08:46:47,075 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-04-06 08:46:47,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:46:47,839 INFO L263 TraceCheckSpWp]: Trace formula consists of 1715 conjuncts, 2 conjunts are in the unsatisfiable core [2022-04-06 08:46:47,846 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-06 08:46:48,312 INFO L134 CoverageAnalysis]: Checked inductivity of 959 backedges. 244 proven. 0 refuted. 0 times theorem prover too weak. 715 trivial. 0 not checked. [2022-04-06 08:46:48,312 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-06 08:46:48,313 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1986296719] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:46:48,313 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-04-06 08:46:48,313 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2022-04-06 08:46:48,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77853115] [2022-04-06 08:46:48,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:46:48,313 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-06 08:46:48,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:46:48,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-06 08:46:48,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-04-06 08:46:48,314 INFO L87 Difference]: Start difference. First operand 2821 states and 4042 transitions. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 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) [2022-04-06 08:46:48,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:46:48,359 INFO L93 Difference]: Finished difference Result 3296 states and 4728 transitions. [2022-04-06 08:46:48,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-06 08:46:48,360 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 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 339 [2022-04-06 08:46:48,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:46:48,364 INFO L225 Difference]: With dead ends: 3296 [2022-04-06 08:46:48,364 INFO L226 Difference]: Without dead ends: 3296 [2022-04-06 08:46:48,364 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 349 GetRequests, 343 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-04-06 08:46:48,365 INFO L913 BasicCegarLoop]: 197 mSDtfsCounter, 154 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 382 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-06 08:46:48,365 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [154 Valid, 382 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-06 08:46:48,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3296 states. [2022-04-06 08:46:48,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3296 to 3296. [2022-04-06 08:46:48,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3296 states, 3291 states have (on average 1.4354299604983287) internal successors, (4724), 3291 states have internal predecessors, (4724), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:46:48,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3296 states to 3296 states and 4728 transitions. [2022-04-06 08:46:48,390 INFO L78 Accepts]: Start accepts. Automaton has 3296 states and 4728 transitions. Word has length 339 [2022-04-06 08:46:48,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:46:48,390 INFO L478 AbstractCegarLoop]: Abstraction has 3296 states and 4728 transitions. [2022-04-06 08:46:48,390 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 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) [2022-04-06 08:46:48,390 INFO L276 IsEmpty]: Start isEmpty. Operand 3296 states and 4728 transitions. [2022-04-06 08:46:48,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 427 [2022-04-06 08:46:48,395 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:46:48,395 INFO L499 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 6, 5, 3, 3, 3, 3, 3, 3, 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] [2022-04-06 08:46:48,423 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-04-06 08:46:48,611 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,SelfDestructingSolverStorable44 [2022-04-06 08:46:48,611 INFO L403 AbstractCegarLoop]: === Iteration 46 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:46:48,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:46:48,612 INFO L85 PathProgramCache]: Analyzing trace with hash -2006391291, now seen corresponding path program 1 times [2022-04-06 08:46:48,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:46:48,612 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294927968] [2022-04-06 08:46:48,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:46:48,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:46:48,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:46:48,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:46:48,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:46:48,831 INFO L134 CoverageAnalysis]: Checked inductivity of 1611 backedges. 1026 proven. 106 refuted. 0 times theorem prover too weak. 479 trivial. 0 not checked. [2022-04-06 08:46:48,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:46:48,832 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294927968] [2022-04-06 08:46:48,832 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [294927968] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-06 08:46:48,832 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [212859948] [2022-04-06 08:46:48,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:46:48,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-06 08:46:48,832 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-06 08:46:48,833 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) [2022-04-06 08:46:48,845 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-04-06 08:46:49,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:46:49,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 2041 conjuncts, 2 conjunts are in the unsatisfiable core [2022-04-06 08:46:49,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-06 08:46:50,186 INFO L134 CoverageAnalysis]: Checked inductivity of 1611 backedges. 593 proven. 0 refuted. 0 times theorem prover too weak. 1018 trivial. 0 not checked. [2022-04-06 08:46:50,186 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-06 08:46:50,187 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [212859948] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:46:50,187 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-04-06 08:46:50,187 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2022-04-06 08:46:50,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087811581] [2022-04-06 08:46:50,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:46:50,187 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-06 08:46:50,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:46:50,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-06 08:46:50,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-04-06 08:46:50,188 INFO L87 Difference]: Start difference. First operand 3296 states and 4728 transitions. Second operand has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 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) [2022-04-06 08:46:50,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:46:50,266 INFO L93 Difference]: Finished difference Result 3771 states and 5415 transitions. [2022-04-06 08:46:50,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-06 08:46:50,266 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 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 426 [2022-04-06 08:46:50,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:46:50,271 INFO L225 Difference]: With dead ends: 3771 [2022-04-06 08:46:50,271 INFO L226 Difference]: Without dead ends: 3771 [2022-04-06 08:46:50,271 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 436 GetRequests, 430 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-04-06 08:46:50,274 INFO L913 BasicCegarLoop]: 196 mSDtfsCounter, 145 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-06 08:46:50,275 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [145 Valid, 381 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-06 08:46:50,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3771 states. [2022-04-06 08:46:50,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3771 to 3771. [2022-04-06 08:46:50,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3771 states, 3766 states have (on average 1.436802973977695) internal successors, (5411), 3766 states have internal predecessors, (5411), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:46:50,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3771 states to 3771 states and 5415 transitions. [2022-04-06 08:46:50,302 INFO L78 Accepts]: Start accepts. Automaton has 3771 states and 5415 transitions. Word has length 426 [2022-04-06 08:46:50,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:46:50,302 INFO L478 AbstractCegarLoop]: Abstraction has 3771 states and 5415 transitions. [2022-04-06 08:46:50,302 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 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) [2022-04-06 08:46:50,302 INFO L276 IsEmpty]: Start isEmpty. Operand 3771 states and 5415 transitions. [2022-04-06 08:46:50,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 427 [2022-04-06 08:46:50,307 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:46:50,307 INFO L499 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 6, 6, 3, 3, 3, 3, 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] [2022-04-06 08:46:50,330 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-04-06 08:46:50,531 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-06 08:46:50,531 INFO L403 AbstractCegarLoop]: === Iteration 47 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:46:50,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:46:50,532 INFO L85 PathProgramCache]: Analyzing trace with hash -676105557, now seen corresponding path program 1 times [2022-04-06 08:46:50,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:46:50,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227832052] [2022-04-06 08:46:50,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:46:50,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:46:50,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:46:50,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:46:50,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:46:50,694 INFO L134 CoverageAnalysis]: Checked inductivity of 1565 backedges. 1003 proven. 0 refuted. 0 times theorem prover too weak. 562 trivial. 0 not checked. [2022-04-06 08:46:50,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:46:50,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227832052] [2022-04-06 08:46:50,694 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227832052] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:46:50,694 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:46:50,694 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-06 08:46:50,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438908369] [2022-04-06 08:46:50,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:46:50,695 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-06 08:46:50,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:46:50,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-06 08:46:50,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-06 08:46:50,695 INFO L87 Difference]: Start difference. First operand 3771 states and 5415 transitions. Second operand has 5 states, 5 states have (on average 35.2) internal successors, (176), 4 states have internal predecessors, (176), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:46:52,616 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:46:54,642 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:46:56,665 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:46:57,694 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:46:58,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:46:58,137 INFO L93 Difference]: Finished difference Result 4399 states and 6296 transitions. [2022-04-06 08:46:58,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 08:46:58,138 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 35.2) internal successors, (176), 4 states have internal predecessors, (176), 1 states have call successors, (3), 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 426 [2022-04-06 08:46:58,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:46:58,161 INFO L225 Difference]: With dead ends: 4399 [2022-04-06 08:46:58,161 INFO L226 Difference]: Without dead ends: 4399 [2022-04-06 08:46:58,161 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 [2022-04-06 08:46:58,162 INFO L913 BasicCegarLoop]: 266 mSDtfsCounter, 63 mSDsluCounter, 381 mSDsCounter, 0 mSdLazyCounter, 576 mSolverCounterSat, 6 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 647 SdHoareTripleChecker+Invalid, 584 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 576 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2022-04-06 08:46:58,162 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [63 Valid, 647 Invalid, 584 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 576 Invalid, 2 Unknown, 0 Unchecked, 7.4s Time] [2022-04-06 08:46:58,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4399 states. [2022-04-06 08:46:58,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4399 to 4099. [2022-04-06 08:46:58,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4099 states, 4094 states have (on average 1.436980947728383) internal successors, (5883), 4094 states have internal predecessors, (5883), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:46:58,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4099 states to 4099 states and 5887 transitions. [2022-04-06 08:46:58,192 INFO L78 Accepts]: Start accepts. Automaton has 4099 states and 5887 transitions. Word has length 426 [2022-04-06 08:46:58,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:46:58,193 INFO L478 AbstractCegarLoop]: Abstraction has 4099 states and 5887 transitions. [2022-04-06 08:46:58,193 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 35.2) internal successors, (176), 4 states have internal predecessors, (176), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:46:58,193 INFO L276 IsEmpty]: Start isEmpty. Operand 4099 states and 5887 transitions. [2022-04-06 08:46:58,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 427 [2022-04-06 08:46:58,198 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:46:58,198 INFO L499 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 6, 6, 3, 3, 3, 3, 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] [2022-04-06 08:46:58,199 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-04-06 08:46:58,199 INFO L403 AbstractCegarLoop]: === Iteration 48 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:46:58,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:46:58,199 INFO L85 PathProgramCache]: Analyzing trace with hash 909790957, now seen corresponding path program 1 times [2022-04-06 08:46:58,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:46:58,199 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378333960] [2022-04-06 08:46:58,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:46:58,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:46:58,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:46:58,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:46:58,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:46:58,556 INFO L134 CoverageAnalysis]: Checked inductivity of 1565 backedges. 922 proven. 0 refuted. 0 times theorem prover too weak. 643 trivial. 0 not checked. [2022-04-06 08:46:58,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:46:58,556 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378333960] [2022-04-06 08:46:58,556 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378333960] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:46:58,556 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:46:58,556 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-04-06 08:46:58,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375981618] [2022-04-06 08:46:58,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:46:58,557 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-04-06 08:46:58,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:46:58,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-04-06 08:46:58,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-04-06 08:46:58,558 INFO L87 Difference]: Start difference. First operand 4099 states and 5887 transitions. Second operand has 8 states, 8 states have (on average 21.5) internal successors, (172), 7 states have internal predecessors, (172), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:47:00,920 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:47:02,948 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:47:04,975 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:47:06,999 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:47:08,835 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:47:10,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:47:10,186 INFO L93 Difference]: Finished difference Result 7888 states and 11397 transitions. [2022-04-06 08:47:10,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-06 08:47:10,187 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 21.5) internal successors, (172), 7 states have internal predecessors, (172), 1 states have call successors, (3), 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 426 [2022-04-06 08:47:10,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:47:10,197 INFO L225 Difference]: With dead ends: 7888 [2022-04-06 08:47:10,198 INFO L226 Difference]: Without dead ends: 7888 [2022-04-06 08:47:10,198 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2022-04-06 08:47:10,198 INFO L913 BasicCegarLoop]: 327 mSDtfsCounter, 193 mSDsluCounter, 965 mSDsCounter, 0 mSdLazyCounter, 1403 mSolverCounterSat, 45 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 1292 SdHoareTripleChecker+Invalid, 1451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 1403 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.5s IncrementalHoareTripleChecker+Time [2022-04-06 08:47:10,198 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [193 Valid, 1292 Invalid, 1451 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 1403 Invalid, 3 Unknown, 0 Unchecked, 11.5s Time] [2022-04-06 08:47:10,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7888 states. [2022-04-06 08:47:10,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7888 to 7613. [2022-04-06 08:47:10,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7613 states, 7608 states have (on average 1.4486067297581493) internal successors, (11021), 7608 states have internal predecessors, (11021), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:47:10,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7613 states to 7613 states and 11025 transitions. [2022-04-06 08:47:10,315 INFO L78 Accepts]: Start accepts. Automaton has 7613 states and 11025 transitions. Word has length 426 [2022-04-06 08:47:10,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:47:10,315 INFO L478 AbstractCegarLoop]: Abstraction has 7613 states and 11025 transitions. [2022-04-06 08:47:10,316 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 21.5) internal successors, (172), 7 states have internal predecessors, (172), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:47:10,316 INFO L276 IsEmpty]: Start isEmpty. Operand 7613 states and 11025 transitions. [2022-04-06 08:47:10,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 429 [2022-04-06 08:47:10,324 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:47:10,324 INFO L499 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 6, 5, 3, 3, 3, 3, 3, 3, 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] [2022-04-06 08:47:10,324 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-04-06 08:47:10,324 INFO L403 AbstractCegarLoop]: === Iteration 49 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:47:10,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:47:10,324 INFO L85 PathProgramCache]: Analyzing trace with hash 1325709964, now seen corresponding path program 1 times [2022-04-06 08:47:10,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:47:10,325 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498776458] [2022-04-06 08:47:10,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:47:10,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:47:10,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:47:10,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:47:10,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:47:10,519 INFO L134 CoverageAnalysis]: Checked inductivity of 1613 backedges. 1008 proven. 40 refuted. 0 times theorem prover too weak. 565 trivial. 0 not checked. [2022-04-06 08:47:10,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:47:10,519 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498776458] [2022-04-06 08:47:10,519 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [498776458] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-06 08:47:10,519 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2076041858] [2022-04-06 08:47:10,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:47:10,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-06 08:47:10,520 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-06 08:47:10,520 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) [2022-04-06 08:47:10,521 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-04-06 08:47:11,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:47:11,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 2046 conjuncts, 2 conjunts are in the unsatisfiable core [2022-04-06 08:47:11,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-06 08:47:11,977 INFO L134 CoverageAnalysis]: Checked inductivity of 1613 backedges. 1119 proven. 0 refuted. 0 times theorem prover too weak. 494 trivial. 0 not checked. [2022-04-06 08:47:11,977 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-06 08:47:11,977 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2076041858] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:47:11,977 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-04-06 08:47:11,977 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2022-04-06 08:47:11,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640742004] [2022-04-06 08:47:11,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:47:11,978 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-06 08:47:11,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:47:11,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-06 08:47:11,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-04-06 08:47:11,978 INFO L87 Difference]: Start difference. First operand 7613 states and 11025 transitions. Second operand has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 3 states have internal predecessors, (190), 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) [2022-04-06 08:47:12,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:47:12,018 INFO L93 Difference]: Finished difference Result 8570 states and 12414 transitions. [2022-04-06 08:47:12,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-06 08:47:12,018 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 3 states have internal predecessors, (190), 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 428 [2022-04-06 08:47:12,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:47:12,028 INFO L225 Difference]: With dead ends: 8570 [2022-04-06 08:47:12,028 INFO L226 Difference]: Without dead ends: 8570 [2022-04-06 08:47:12,028 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 437 GetRequests, 431 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-04-06 08:47:12,028 INFO L913 BasicCegarLoop]: 199 mSDtfsCounter, 146 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-06 08:47:12,030 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [146 Valid, 384 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-06 08:47:12,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8570 states. [2022-04-06 08:47:12,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8570 to 8570. [2022-04-06 08:47:12,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8570 states, 8565 states have (on average 1.4489200233508466) internal successors, (12410), 8565 states have internal predecessors, (12410), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:47:12,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8570 states to 8570 states and 12414 transitions. [2022-04-06 08:47:12,123 INFO L78 Accepts]: Start accepts. Automaton has 8570 states and 12414 transitions. Word has length 428 [2022-04-06 08:47:12,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:47:12,123 INFO L478 AbstractCegarLoop]: Abstraction has 8570 states and 12414 transitions. [2022-04-06 08:47:12,123 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 3 states have internal predecessors, (190), 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) [2022-04-06 08:47:12,124 INFO L276 IsEmpty]: Start isEmpty. Operand 8570 states and 12414 transitions. [2022-04-06 08:47:12,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 429 [2022-04-06 08:47:12,133 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:47:12,134 INFO L499 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 6, 6, 5, 3, 3, 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] [2022-04-06 08:47:12,173 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-04-06 08:47:12,339 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2022-04-06 08:47:12,339 INFO L403 AbstractCegarLoop]: === Iteration 50 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:47:12,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:47:12,340 INFO L85 PathProgramCache]: Analyzing trace with hash 972462257, now seen corresponding path program 1 times [2022-04-06 08:47:12,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:47:12,340 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544887797] [2022-04-06 08:47:12,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:47:12,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:47:12,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:47:12,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:47:12,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:47:12,512 INFO L134 CoverageAnalysis]: Checked inductivity of 1572 backedges. 1008 proven. 0 refuted. 0 times theorem prover too weak. 564 trivial. 0 not checked. [2022-04-06 08:47:12,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:47:12,513 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544887797] [2022-04-06 08:47:12,513 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [544887797] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:47:12,513 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:47:12,513 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-06 08:47:12,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005024633] [2022-04-06 08:47:12,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:47:12,514 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-06 08:47:12,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:47:12,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-06 08:47:12,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-06 08:47:12,514 INFO L87 Difference]: Start difference. First operand 8570 states and 12414 transitions. Second operand has 5 states, 5 states have (on average 35.4) internal successors, (177), 4 states have internal predecessors, (177), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:47:13,561 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:47:16,903 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 [] [2022-04-06 08:47:17,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:47:17,399 INFO L93 Difference]: Finished difference Result 9226 states and 13293 transitions. [2022-04-06 08:47:17,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 08:47:17,399 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 35.4) internal successors, (177), 4 states have internal predecessors, (177), 1 states have call successors, (3), 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 428 [2022-04-06 08:47:17,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:47:17,411 INFO L225 Difference]: With dead ends: 9226 [2022-04-06 08:47:17,411 INFO L226 Difference]: Without dead ends: 9226 [2022-04-06 08:47:17,411 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 [2022-04-06 08:47:17,411 INFO L913 BasicCegarLoop]: 265 mSDtfsCounter, 61 mSDsluCounter, 380 mSDsCounter, 0 mSdLazyCounter, 572 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 645 SdHoareTripleChecker+Invalid, 579 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 572 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-04-06 08:47:17,411 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [61 Valid, 645 Invalid, 579 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 572 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2022-04-06 08:47:17,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9226 states. [2022-04-06 08:47:17,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9226 to 8588. [2022-04-06 08:47:17,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8588 states, 8583 states have (on average 1.4479785622742631) internal successors, (12428), 8583 states have internal predecessors, (12428), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:47:17,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8588 states to 8588 states and 12432 transitions. [2022-04-06 08:47:17,503 INFO L78 Accepts]: Start accepts. Automaton has 8588 states and 12432 transitions. Word has length 428 [2022-04-06 08:47:17,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:47:17,503 INFO L478 AbstractCegarLoop]: Abstraction has 8588 states and 12432 transitions. [2022-04-06 08:47:17,503 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 35.4) internal successors, (177), 4 states have internal predecessors, (177), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:47:17,503 INFO L276 IsEmpty]: Start isEmpty. Operand 8588 states and 12432 transitions. [2022-04-06 08:47:17,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 429 [2022-04-06 08:47:17,513 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:47:17,514 INFO L499 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 6, 3, 3, 3, 3, 3, 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] [2022-04-06 08:47:17,514 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-04-06 08:47:17,514 INFO L403 AbstractCegarLoop]: === Iteration 51 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:47:17,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:47:17,514 INFO L85 PathProgramCache]: Analyzing trace with hash -2108230989, now seen corresponding path program 1 times [2022-04-06 08:47:17,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:47:17,514 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918093067] [2022-04-06 08:47:17,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:47:17,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:47:17,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:47:17,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:47:17,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:47:17,972 INFO L134 CoverageAnalysis]: Checked inductivity of 1578 backedges. 918 proven. 71 refuted. 0 times theorem prover too weak. 589 trivial. 0 not checked. [2022-04-06 08:47:17,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:47:17,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918093067] [2022-04-06 08:47:17,972 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1918093067] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-06 08:47:17,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1543865944] [2022-04-06 08:47:17,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:47:17,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-06 08:47:17,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-06 08:47:17,973 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) [2022-04-06 08:47:17,974 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-04-06 08:47:18,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:47:18,973 INFO L263 TraceCheckSpWp]: Trace formula consists of 2037 conjuncts, 25 conjunts are in the unsatisfiable core [2022-04-06 08:47:18,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-06 08:47:19,064 INFO L356 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-04-06 08:47:19,065 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 [2022-04-06 08:47:19,116 INFO L356 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-04-06 08:47:19,116 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 [2022-04-06 08:47:19,226 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 [2022-04-06 08:47:19,250 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 [2022-04-06 08:47:19,253 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 [2022-04-06 08:47:19,268 INFO L356 Elim1Store]: treesize reduction 25, result has 43.2 percent of original size [2022-04-06 08:47:19,268 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 [2022-04-06 08:47:19,348 INFO L356 Elim1Store]: treesize reduction 66, result has 30.5 percent of original size [2022-04-06 08:47:19,348 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 [2022-04-06 08:47:19,519 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 [2022-04-06 08:47:19,803 INFO L134 CoverageAnalysis]: Checked inductivity of 1578 backedges. 920 proven. 48 refuted. 0 times theorem prover too weak. 610 trivial. 0 not checked. [2022-04-06 08:47:19,803 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-06 08:47:20,270 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 [2022-04-06 08:47:20,273 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 [2022-04-06 08:47:21,061 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_arrayElimCell_9 Int) (v_arrayElimCell_10 Int)) (not (= (select (select (store |c_#memory_int| v_arrayElimCell_9 (store (select |c_#memory_int| v_arrayElimCell_9) (+ 844 v_arrayElimCell_10) 3)) c_ssl3_accept_~s.base) (+ 52 c_ssl3_accept_~s.offset)) 8641))) is different from false [2022-04-06 08:47:21,182 INFO L134 CoverageAnalysis]: Checked inductivity of 1578 backedges. 925 proven. 0 refuted. 0 times theorem prover too weak. 653 trivial. 0 not checked. [2022-04-06 08:47:21,182 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1543865944] provided 1 perfect and 1 imperfect interpolant sequences [2022-04-06 08:47:21,182 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-04-06 08:47:21,182 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [11, 9] total 19 [2022-04-06 08:47:21,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721473365] [2022-04-06 08:47:21,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:47:21,183 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-06 08:47:21,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:47:21,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-06 08:47:21,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=252, Unknown=1, NotChecked=32, Total=342 [2022-04-06 08:47:21,184 INFO L87 Difference]: Start difference. First operand 8588 states and 12432 transitions. Second operand has 6 states, 6 states have (on average 28.666666666666668) internal successors, (172), 6 states have internal predecessors, (172), 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) [2022-04-06 08:47:24,594 WARN L833 $PredicateComparison]: unable to prove that (and (not (= 8641 (select (select |c_#memory_int| c_ssl3_accept_~s.base) (+ 52 c_ssl3_accept_~s.offset)))) (forall ((v_arrayElimCell_9 Int) (v_arrayElimCell_10 Int)) (not (= (select (select (store |c_#memory_int| v_arrayElimCell_9 (store (select |c_#memory_int| v_arrayElimCell_9) (+ 844 v_arrayElimCell_10) 3)) c_ssl3_accept_~s.base) (+ 52 c_ssl3_accept_~s.offset)) 8641)))) is different from false [2022-04-06 08:47:24,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:47:24,739 INFO L93 Difference]: Finished difference Result 9817 states and 14154 transitions. [2022-04-06 08:47:24,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 08:47:24,739 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 28.666666666666668) internal successors, (172), 6 states have internal predecessors, (172), 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 428 [2022-04-06 08:47:24,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:47:24,752 INFO L225 Difference]: With dead ends: 9817 [2022-04-06 08:47:24,752 INFO L226 Difference]: Without dead ends: 9817 [2022-04-06 08:47:24,752 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 872 GetRequests, 853 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=64, Invalid=284, Unknown=2, NotChecked=70, Total=420 [2022-04-06 08:47:24,752 INFO L913 BasicCegarLoop]: 140 mSDtfsCounter, 137 mSDsluCounter, 465 mSDsCounter, 0 mSdLazyCounter, 312 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 605 SdHoareTripleChecker+Invalid, 626 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 261 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-04-06 08:47:24,752 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [137 Valid, 605 Invalid, 626 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 312 Invalid, 0 Unknown, 261 Unchecked, 1.5s Time] [2022-04-06 08:47:24,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9817 states. [2022-04-06 08:47:24,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9817 to 7982. [2022-04-06 08:47:24,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7982 states, 7977 states have (on average 1.45041995737746) internal successors, (11570), 7977 states have internal predecessors, (11570), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:47:24,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7982 states to 7982 states and 11574 transitions. [2022-04-06 08:47:24,906 INFO L78 Accepts]: Start accepts. Automaton has 7982 states and 11574 transitions. Word has length 428 [2022-04-06 08:47:24,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:47:24,919 INFO L478 AbstractCegarLoop]: Abstraction has 7982 states and 11574 transitions. [2022-04-06 08:47:24,919 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 28.666666666666668) internal successors, (172), 6 states have internal predecessors, (172), 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) [2022-04-06 08:47:24,920 INFO L276 IsEmpty]: Start isEmpty. Operand 7982 states and 11574 transitions. [2022-04-06 08:47:24,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 471 [2022-04-06 08:47:24,936 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:47:24,936 INFO L499 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-04-06 08:47:24,965 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-04-06 08:47:25,163 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-06 08:47:25,164 INFO L403 AbstractCegarLoop]: === Iteration 52 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:47:25,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:47:25,164 INFO L85 PathProgramCache]: Analyzing trace with hash -1597716625, now seen corresponding path program 1 times [2022-04-06 08:47:25,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:47:25,164 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200466557] [2022-04-06 08:47:25,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:47:25,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:47:25,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:47:25,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:47:25,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:47:25,369 INFO L134 CoverageAnalysis]: Checked inductivity of 1959 backedges. 1114 proven. 0 refuted. 0 times theorem prover too weak. 845 trivial. 0 not checked. [2022-04-06 08:47:25,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:47:25,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200466557] [2022-04-06 08:47:25,369 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200466557] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:47:25,369 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:47:25,369 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-06 08:47:25,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524430900] [2022-04-06 08:47:25,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:47:25,370 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-06 08:47:25,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:47:25,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-06 08:47:25,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-06 08:47:25,370 INFO L87 Difference]: Start difference. First operand 7982 states and 11574 transitions. Second operand has 5 states, 5 states have (on average 32.6) internal successors, (163), 4 states have internal predecessors, (163), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:47:29,120 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 [] [2022-04-06 08:47:31,140 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 [] [2022-04-06 08:47:31,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:47:31,620 INFO L93 Difference]: Finished difference Result 8518 states and 12286 transitions. [2022-04-06 08:47:31,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 08:47:31,620 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 32.6) internal successors, (163), 4 states have internal predecessors, (163), 1 states have call successors, (3), 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 470 [2022-04-06 08:47:31,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:47:31,629 INFO L225 Difference]: With dead ends: 8518 [2022-04-06 08:47:31,629 INFO L226 Difference]: Without dead ends: 8518 [2022-04-06 08:47:31,629 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 [2022-04-06 08:47:31,631 INFO L913 BasicCegarLoop]: 255 mSDtfsCounter, 70 mSDsluCounter, 370 mSDsCounter, 0 mSdLazyCounter, 551 mSolverCounterSat, 6 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 625 SdHoareTripleChecker+Invalid, 559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 551 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2022-04-06 08:47:31,631 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [70 Valid, 625 Invalid, 559 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 551 Invalid, 2 Unknown, 0 Unchecked, 6.2s Time] [2022-04-06 08:47:31,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8518 states. [2022-04-06 08:47:31,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8518 to 7982. [2022-04-06 08:47:31,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7982 states, 7977 states have (on average 1.4481634699761816) internal successors, (11552), 7977 states have internal predecessors, (11552), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:47:31,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7982 states to 7982 states and 11556 transitions. [2022-04-06 08:47:31,767 INFO L78 Accepts]: Start accepts. Automaton has 7982 states and 11556 transitions. Word has length 470 [2022-04-06 08:47:31,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:47:31,767 INFO L478 AbstractCegarLoop]: Abstraction has 7982 states and 11556 transitions. [2022-04-06 08:47:31,767 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 32.6) internal successors, (163), 4 states have internal predecessors, (163), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:47:31,767 INFO L276 IsEmpty]: Start isEmpty. Operand 7982 states and 11556 transitions. [2022-04-06 08:47:31,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 473 [2022-04-06 08:47:31,802 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:47:31,802 INFO L499 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 11, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-04-06 08:47:31,803 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2022-04-06 08:47:31,803 INFO L403 AbstractCegarLoop]: === Iteration 53 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:47:31,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:47:31,803 INFO L85 PathProgramCache]: Analyzing trace with hash -872562479, now seen corresponding path program 1 times [2022-04-06 08:47:31,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:47:31,803 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944178189] [2022-04-06 08:47:31,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:47:31,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:47:31,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:47:32,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:47:32,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:47:32,072 INFO L134 CoverageAnalysis]: Checked inductivity of 1978 backedges. 1127 proven. 0 refuted. 0 times theorem prover too weak. 851 trivial. 0 not checked. [2022-04-06 08:47:32,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:47:32,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944178189] [2022-04-06 08:47:32,072 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [944178189] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:47:32,072 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:47:32,072 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-06 08:47:32,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720153039] [2022-04-06 08:47:32,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:47:32,073 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-06 08:47:32,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:47:32,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-06 08:47:32,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-06 08:47:32,073 INFO L87 Difference]: Start difference. First operand 7982 states and 11556 transitions. Second operand has 5 states, 5 states have (on average 32.8) internal successors, (164), 4 states have internal predecessors, (164), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:47:33,552 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 [] [2022-04-06 08:47:34,744 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:47:36,157 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:47:38,180 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 [] [2022-04-06 08:47:38,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:47:38,671 INFO L93 Difference]: Finished difference Result 8446 states and 12166 transitions. [2022-04-06 08:47:38,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 08:47:38,671 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 32.8) internal successors, (164), 4 states have internal predecessors, (164), 1 states have call successors, (3), 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 472 [2022-04-06 08:47:38,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:47:38,680 INFO L225 Difference]: With dead ends: 8446 [2022-04-06 08:47:38,681 INFO L226 Difference]: Without dead ends: 8446 [2022-04-06 08:47:38,681 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 [2022-04-06 08:47:38,681 INFO L913 BasicCegarLoop]: 251 mSDtfsCounter, 64 mSDsluCounter, 366 mSDsCounter, 0 mSdLazyCounter, 537 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 617 SdHoareTripleChecker+Invalid, 544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 537 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2022-04-06 08:47:38,682 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [64 Valid, 617 Invalid, 544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 537 Invalid, 1 Unknown, 0 Unchecked, 6.6s Time] [2022-04-06 08:47:38,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8446 states. [2022-04-06 08:47:38,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8446 to 7982. [2022-04-06 08:47:38,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7982 states, 7977 states have (on average 1.445906982574903) internal successors, (11534), 7977 states have internal predecessors, (11534), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:47:38,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7982 states to 7982 states and 11538 transitions. [2022-04-06 08:47:38,790 INFO L78 Accepts]: Start accepts. Automaton has 7982 states and 11538 transitions. Word has length 472 [2022-04-06 08:47:38,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:47:38,790 INFO L478 AbstractCegarLoop]: Abstraction has 7982 states and 11538 transitions. [2022-04-06 08:47:38,790 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 32.8) internal successors, (164), 4 states have internal predecessors, (164), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:47:38,790 INFO L276 IsEmpty]: Start isEmpty. Operand 7982 states and 11538 transitions. [2022-04-06 08:47:38,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 477 [2022-04-06 08:47:38,800 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:47:38,800 INFO L499 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-04-06 08:47:38,800 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2022-04-06 08:47:38,800 INFO L403 AbstractCegarLoop]: === Iteration 54 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:47:38,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:47:38,801 INFO L85 PathProgramCache]: Analyzing trace with hash 968346321, now seen corresponding path program 1 times [2022-04-06 08:47:38,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:47:38,801 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786070506] [2022-04-06 08:47:38,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:47:38,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:47:38,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:47:39,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:47:39,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:47:39,089 INFO L134 CoverageAnalysis]: Checked inductivity of 2060 backedges. 1289 proven. 98 refuted. 0 times theorem prover too weak. 673 trivial. 0 not checked. [2022-04-06 08:47:39,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:47:39,089 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786070506] [2022-04-06 08:47:39,089 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [786070506] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-06 08:47:39,089 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [516375304] [2022-04-06 08:47:39,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:47:39,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-06 08:47:39,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-06 08:47:39,090 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-06 08:47:39,102 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-04-06 08:47:40,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:47:40,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 2225 conjuncts, 8 conjunts are in the unsatisfiable core [2022-04-06 08:47:40,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-06 08:47:40,387 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 [2022-04-06 08:47:40,406 INFO L356 Elim1Store]: treesize reduction 30, result has 38.8 percent of original size [2022-04-06 08:47:40,406 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 78 [2022-04-06 08:47:40,413 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2022-04-06 08:47:40,417 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2022-04-06 08:47:40,567 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-04-06 08:47:40,575 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 7 [2022-04-06 08:47:40,577 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-04-06 08:47:40,650 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 [2022-04-06 08:47:40,896 INFO L134 CoverageAnalysis]: Checked inductivity of 2060 backedges. 1286 proven. 0 refuted. 0 times theorem prover too weak. 774 trivial. 0 not checked. [2022-04-06 08:47:40,896 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-06 08:47:40,896 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [516375304] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:47:40,896 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-04-06 08:47:40,897 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2022-04-06 08:47:40,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787171047] [2022-04-06 08:47:40,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:47:40,897 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 08:47:40,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:47:40,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 08:47:40,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-04-06 08:47:40,898 INFO L87 Difference]: Start difference. First operand 7982 states and 11538 transitions. Second operand has 4 states, 4 states have (on average 45.5) internal successors, (182), 4 states have internal predecessors, (182), 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) [2022-04-06 08:47:41,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:47:41,809 INFO L93 Difference]: Finished difference Result 8637 states and 12452 transitions. [2022-04-06 08:47:41,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 08:47:41,810 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 45.5) internal successors, (182), 4 states have internal predecessors, (182), 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 476 [2022-04-06 08:47:41,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:47:41,815 INFO L225 Difference]: With dead ends: 8637 [2022-04-06 08:47:41,815 INFO L226 Difference]: Without dead ends: 8637 [2022-04-06 08:47:41,815 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 486 GetRequests, 478 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-04-06 08:47:41,815 INFO L913 BasicCegarLoop]: 261 mSDtfsCounter, 53 mSDsluCounter, 374 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 635 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-04-06 08:47:41,816 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [53 Valid, 635 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-04-06 08:47:41,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8637 states. [2022-04-06 08:47:41,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8637 to 8351. [2022-04-06 08:47:41,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8351 states, 8346 states have (on average 1.444524323028996) internal successors, (12056), 8346 states have internal predecessors, (12056), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:47:41,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8351 states to 8351 states and 12060 transitions. [2022-04-06 08:47:41,901 INFO L78 Accepts]: Start accepts. Automaton has 8351 states and 12060 transitions. Word has length 476 [2022-04-06 08:47:41,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:47:41,901 INFO L478 AbstractCegarLoop]: Abstraction has 8351 states and 12060 transitions. [2022-04-06 08:47:41,901 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 45.5) internal successors, (182), 4 states have internal predecessors, (182), 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) [2022-04-06 08:47:41,901 INFO L276 IsEmpty]: Start isEmpty. Operand 8351 states and 12060 transitions. [2022-04-06 08:47:41,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 479 [2022-04-06 08:47:41,910 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:47:41,910 INFO L499 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 6, 6, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 08:47:41,937 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-04-06 08:47:42,127 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-06 08:47:42,127 INFO L403 AbstractCegarLoop]: === Iteration 55 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:47:42,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:47:42,128 INFO L85 PathProgramCache]: Analyzing trace with hash -1820690579, now seen corresponding path program 1 times [2022-04-06 08:47:42,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:47:42,128 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92997592] [2022-04-06 08:47:42,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:47:42,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:47:42,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:47:42,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:47:42,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:47:42,333 INFO L134 CoverageAnalysis]: Checked inductivity of 2067 backedges. 1237 proven. 0 refuted. 0 times theorem prover too weak. 830 trivial. 0 not checked. [2022-04-06 08:47:42,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:47:42,333 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92997592] [2022-04-06 08:47:42,333 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [92997592] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:47:42,333 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:47:42,333 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-06 08:47:42,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312805537] [2022-04-06 08:47:42,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:47:42,334 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-06 08:47:42,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:47:42,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-06 08:47:42,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-06 08:47:42,335 INFO L87 Difference]: Start difference. First operand 8351 states and 12060 transitions. Second operand has 5 states, 5 states have (on average 34.2) internal successors, (171), 4 states have internal predecessors, (171), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:47:44,025 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 [] [2022-04-06 08:47:46,050 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:47:48,953 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:47:49,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:47:49,440 INFO L93 Difference]: Finished difference Result 8424 states and 12163 transitions. [2022-04-06 08:47:49,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 08:47:49,441 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 34.2) internal successors, (171), 4 states have internal predecessors, (171), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 478 [2022-04-06 08:47:49,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:47:49,451 INFO L225 Difference]: With dead ends: 8424 [2022-04-06 08:47:49,452 INFO L226 Difference]: Without dead ends: 8424 [2022-04-06 08:47:49,452 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 [2022-04-06 08:47:49,452 INFO L913 BasicCegarLoop]: 241 mSDtfsCounter, 34 mSDsluCounter, 356 mSDsCounter, 0 mSdLazyCounter, 479 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 597 SdHoareTripleChecker+Invalid, 488 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 479 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2022-04-06 08:47:49,452 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 597 Invalid, 488 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 479 Invalid, 2 Unknown, 0 Unchecked, 7.1s Time] [2022-04-06 08:47:49,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8424 states. [2022-04-06 08:47:49,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8424 to 8252. [2022-04-06 08:47:49,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8252 states, 8247 states have (on average 1.4444040257063175) internal successors, (11912), 8247 states have internal predecessors, (11912), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:47:49,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8252 states to 8252 states and 11916 transitions. [2022-04-06 08:47:49,572 INFO L78 Accepts]: Start accepts. Automaton has 8252 states and 11916 transitions. Word has length 478 [2022-04-06 08:47:49,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:47:49,573 INFO L478 AbstractCegarLoop]: Abstraction has 8252 states and 11916 transitions. [2022-04-06 08:47:49,573 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 34.2) internal successors, (171), 4 states have internal predecessors, (171), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:47:49,573 INFO L276 IsEmpty]: Start isEmpty. Operand 8252 states and 11916 transitions. [2022-04-06 08:47:49,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 481 [2022-04-06 08:47:49,583 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:47:49,584 INFO L499 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 9, 9, 9, 9, 9, 9, 9, 9, 9, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-04-06 08:47:49,584 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2022-04-06 08:47:49,584 INFO L403 AbstractCegarLoop]: === Iteration 56 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:47:49,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:47:49,584 INFO L85 PathProgramCache]: Analyzing trace with hash 1506700785, now seen corresponding path program 1 times [2022-04-06 08:47:49,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:47:49,585 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380697475] [2022-04-06 08:47:49,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:47:49,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:47:49,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:47:49,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:47:49,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:47:49,806 INFO L134 CoverageAnalysis]: Checked inductivity of 2098 backedges. 1309 proven. 106 refuted. 0 times theorem prover too weak. 683 trivial. 0 not checked. [2022-04-06 08:47:49,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:47:49,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380697475] [2022-04-06 08:47:49,807 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380697475] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-06 08:47:49,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1408889875] [2022-04-06 08:47:49,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:47:49,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-06 08:47:49,808 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-06 08:47:49,808 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-06 08:47:49,859 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-04-06 08:47:51,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:47:51,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 2255 conjuncts, 23 conjunts are in the unsatisfiable core [2022-04-06 08:47:51,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-06 08:47:51,146 INFO L356 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-04-06 08:47:51,146 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 [2022-04-06 08:47:51,199 INFO L356 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-04-06 08:47:51,199 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 [2022-04-06 08:47:51,272 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 [2022-04-06 08:47:51,414 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 36 treesize of output 24 [2022-04-06 08:47:51,471 INFO L356 Elim1Store]: treesize reduction 40, result has 32.2 percent of original size [2022-04-06 08:47:51,471 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 50 treesize of output 88 [2022-04-06 08:47:51,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-06 08:47:51,479 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 15 treesize of output 19 [2022-04-06 08:47:51,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-06 08:47:51,493 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 21 treesize of output 25 [2022-04-06 08:47:51,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-06 08:47:51,606 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 21 treesize of output 13 [2022-04-06 08:47:51,716 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 [2022-04-06 08:47:52,028 INFO L134 CoverageAnalysis]: Checked inductivity of 2098 backedges. 1293 proven. 108 refuted. 0 times theorem prover too weak. 697 trivial. 0 not checked. [2022-04-06 08:47:52,028 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-06 08:47:52,631 INFO L134 CoverageAnalysis]: Checked inductivity of 2098 backedges. 1308 proven. 0 refuted. 0 times theorem prover too weak. 790 trivial. 0 not checked. [2022-04-06 08:47:52,632 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1408889875] provided 1 perfect and 1 imperfect interpolant sequences [2022-04-06 08:47:52,632 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-04-06 08:47:52,632 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7, 8] total 13 [2022-04-06 08:47:52,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056793576] [2022-04-06 08:47:52,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:47:52,632 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 08:47:52,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:47:52,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 08:47:52,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2022-04-06 08:47:52,633 INFO L87 Difference]: Start difference. First operand 8252 states and 11916 transitions. Second operand has 4 states, 4 states have (on average 45.5) internal successors, (182), 4 states have internal predecessors, (182), 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) [2022-04-06 08:47:54,308 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 [] [2022-04-06 08:47:54,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:47:54,607 INFO L93 Difference]: Finished difference Result 10127 states and 14558 transitions. [2022-04-06 08:47:54,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 08:47:54,608 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 45.5) internal successors, (182), 4 states have internal predecessors, (182), 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 480 [2022-04-06 08:47:54,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:47:54,617 INFO L225 Difference]: With dead ends: 10127 [2022-04-06 08:47:54,617 INFO L226 Difference]: Without dead ends: 10127 [2022-04-06 08:47:54,618 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 970 GetRequests, 958 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2022-04-06 08:47:54,622 INFO L913 BasicCegarLoop]: 217 mSDtfsCounter, 103 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 249 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 540 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 249 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-04-06 08:47:54,622 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [103 Valid, 540 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 249 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-04-06 08:47:54,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10127 states. [2022-04-06 08:47:54,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10127 to 9030. [2022-04-06 08:47:54,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9030 states, 9025 states have (on average 1.4444321329639889) internal successors, (13036), 9025 states have internal predecessors, (13036), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:47:54,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9030 states to 9030 states and 13040 transitions. [2022-04-06 08:47:54,792 INFO L78 Accepts]: Start accepts. Automaton has 9030 states and 13040 transitions. Word has length 480 [2022-04-06 08:47:54,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:47:54,793 INFO L478 AbstractCegarLoop]: Abstraction has 9030 states and 13040 transitions. [2022-04-06 08:47:54,793 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 45.5) internal successors, (182), 4 states have internal predecessors, (182), 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) [2022-04-06 08:47:54,793 INFO L276 IsEmpty]: Start isEmpty. Operand 9030 states and 13040 transitions. [2022-04-06 08:47:54,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 483 [2022-04-06 08:47:54,804 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:47:54,804 INFO L499 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 9, 9, 9, 9, 9, 9, 9, 9, 9, 6, 6, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 08:47:54,837 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-04-06 08:47:55,018 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-06 08:47:55,018 INFO L403 AbstractCegarLoop]: === Iteration 57 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:47:55,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:47:55,020 INFO L85 PathProgramCache]: Analyzing trace with hash -213388925, now seen corresponding path program 1 times [2022-04-06 08:47:55,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:47:55,020 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103977109] [2022-04-06 08:47:55,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:47:55,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:47:55,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:47:55,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:47:55,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:47:55,319 INFO L134 CoverageAnalysis]: Checked inductivity of 2105 backedges. 1269 proven. 0 refuted. 0 times theorem prover too weak. 836 trivial. 0 not checked. [2022-04-06 08:47:55,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:47:55,319 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103977109] [2022-04-06 08:47:55,319 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103977109] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:47:55,319 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:47:55,319 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-06 08:47:55,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195839076] [2022-04-06 08:47:55,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:47:55,320 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-06 08:47:55,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:47:55,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-06 08:47:55,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-06 08:47:55,320 INFO L87 Difference]: Start difference. First operand 9030 states and 13040 transitions. Second operand has 5 states, 5 states have (on average 34.6) internal successors, (173), 4 states have internal predecessors, (173), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:47:57,442 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 [] [2022-04-06 08:47:59,462 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 [] [2022-04-06 08:47:59,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:47:59,891 INFO L93 Difference]: Finished difference Result 8994 states and 12961 transitions. [2022-04-06 08:47:59,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 08:47:59,891 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 34.6) internal successors, (173), 4 states have internal predecessors, (173), 1 states have call successors, (3), 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 482 [2022-04-06 08:47:59,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:47:59,900 INFO L225 Difference]: With dead ends: 8994 [2022-04-06 08:47:59,901 INFO L226 Difference]: Without dead ends: 8994 [2022-04-06 08:47:59,901 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 [2022-04-06 08:47:59,901 INFO L913 BasicCegarLoop]: 237 mSDtfsCounter, 37 mSDsluCounter, 353 mSDsCounter, 0 mSdLazyCounter, 498 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 590 SdHoareTripleChecker+Invalid, 508 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 498 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-04-06 08:47:59,901 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [37 Valid, 590 Invalid, 508 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 498 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2022-04-06 08:47:59,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8994 states. [2022-04-06 08:47:59,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8994 to 8618. [2022-04-06 08:47:59,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8618 states, 8613 states have (on average 1.442122373156856) internal successors, (12421), 8613 states have internal predecessors, (12421), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:47:59,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8618 states to 8618 states and 12425 transitions. [2022-04-06 08:47:59,977 INFO L78 Accepts]: Start accepts. Automaton has 8618 states and 12425 transitions. Word has length 482 [2022-04-06 08:47:59,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:47:59,977 INFO L478 AbstractCegarLoop]: Abstraction has 8618 states and 12425 transitions. [2022-04-06 08:47:59,978 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 34.6) internal successors, (173), 4 states have internal predecessors, (173), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:47:59,978 INFO L276 IsEmpty]: Start isEmpty. Operand 8618 states and 12425 transitions. [2022-04-06 08:47:59,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 485 [2022-04-06 08:47:59,987 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:47:59,987 INFO L499 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 6, 6, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 08:47:59,987 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2022-04-06 08:47:59,987 INFO L403 AbstractCegarLoop]: === Iteration 58 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:47:59,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:47:59,988 INFO L85 PathProgramCache]: Analyzing trace with hash 1405695153, now seen corresponding path program 1 times [2022-04-06 08:47:59,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:47:59,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709232896] [2022-04-06 08:47:59,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:47:59,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:48:00,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:48:00,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:48:00,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:48:00,209 INFO L134 CoverageAnalysis]: Checked inductivity of 2034 backedges. 1210 proven. 0 refuted. 0 times theorem prover too weak. 824 trivial. 0 not checked. [2022-04-06 08:48:00,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:48:00,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709232896] [2022-04-06 08:48:00,210 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [709232896] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:48:00,210 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:48:00,210 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-06 08:48:00,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048304321] [2022-04-06 08:48:00,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:48:00,210 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-06 08:48:00,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:48:00,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-06 08:48:00,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-06 08:48:00,211 INFO L87 Difference]: Start difference. First operand 8618 states and 12425 transitions. Second operand has 5 states, 5 states have (on average 35.8) internal successors, (179), 4 states have internal predecessors, (179), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:48:03,761 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 [] [2022-04-06 08:48:05,791 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 [] [2022-04-06 08:48:06,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:48:06,180 INFO L93 Difference]: Finished difference Result 9385 states and 13522 transitions. [2022-04-06 08:48:06,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 08:48:06,180 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 35.8) internal successors, (179), 4 states have internal predecessors, (179), 1 states have call successors, (3), 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 484 [2022-04-06 08:48:06,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:48:06,188 INFO L225 Difference]: With dead ends: 9385 [2022-04-06 08:48:06,188 INFO L226 Difference]: Without dead ends: 9385 [2022-04-06 08:48:06,188 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 [2022-04-06 08:48:06,189 INFO L913 BasicCegarLoop]: 239 mSDtfsCounter, 32 mSDsluCounter, 354 mSDsCounter, 0 mSdLazyCounter, 472 mSolverCounterSat, 5 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 593 SdHoareTripleChecker+Invalid, 479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 472 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2022-04-06 08:48:06,189 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [32 Valid, 593 Invalid, 479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 472 Invalid, 2 Unknown, 0 Unchecked, 5.9s Time] [2022-04-06 08:48:06,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9385 states. [2022-04-06 08:48:06,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9385 to 9094. [2022-04-06 08:48:06,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9094 states, 9089 states have (on average 1.4395423038838155) internal successors, (13084), 9089 states have internal predecessors, (13084), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:48:06,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9094 states to 9094 states and 13088 transitions. [2022-04-06 08:48:06,260 INFO L78 Accepts]: Start accepts. Automaton has 9094 states and 13088 transitions. Word has length 484 [2022-04-06 08:48:06,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:48:06,260 INFO L478 AbstractCegarLoop]: Abstraction has 9094 states and 13088 transitions. [2022-04-06 08:48:06,261 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 35.8) internal successors, (179), 4 states have internal predecessors, (179), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:48:06,261 INFO L276 IsEmpty]: Start isEmpty. Operand 9094 states and 13088 transitions. [2022-04-06 08:48:06,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 485 [2022-04-06 08:48:06,269 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:48:06,270 INFO L499 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 9, 9, 9, 9, 9, 9, 9, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 08:48:06,270 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2022-04-06 08:48:06,270 INFO L403 AbstractCegarLoop]: === Iteration 59 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:48:06,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:48:06,270 INFO L85 PathProgramCache]: Analyzing trace with hash -1692367487, now seen corresponding path program 1 times [2022-04-06 08:48:06,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:48:06,270 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860601952] [2022-04-06 08:48:06,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:48:06,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:48:06,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:48:07,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:48:07,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:48:07,087 INFO L134 CoverageAnalysis]: Checked inductivity of 2136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2136 trivial. 0 not checked. [2022-04-06 08:48:07,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:48:07,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860601952] [2022-04-06 08:48:07,088 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1860601952] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:48:07,088 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:48:07,088 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-04-06 08:48:07,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62006177] [2022-04-06 08:48:07,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:48:07,088 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-04-06 08:48:07,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:48:07,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-04-06 08:48:07,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-04-06 08:48:07,089 INFO L87 Difference]: Start difference. First operand 9094 states and 13088 transitions. Second operand has 7 states, 6 states have (on average 15.333333333333334) internal successors, (92), 5 states have internal predecessors, (92), 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) [2022-04-06 08:48:09,096 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 [] [2022-04-06 08:48:09,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:48:09,626 INFO L93 Difference]: Finished difference Result 9102 states and 13098 transitions. [2022-04-06 08:48:09,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-04-06 08:48:09,626 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 15.333333333333334) internal successors, (92), 5 states have internal predecessors, (92), 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 484 [2022-04-06 08:48:09,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:48:09,634 INFO L225 Difference]: With dead ends: 9102 [2022-04-06 08:48:09,634 INFO L226 Difference]: Without dead ends: 9094 [2022-04-06 08:48:09,634 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 [2022-04-06 08:48:09,635 INFO L913 BasicCegarLoop]: 211 mSDtfsCounter, 7 mSDsluCounter, 640 mSDsCounter, 0 mSdLazyCounter, 441 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 851 SdHoareTripleChecker+Invalid, 446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 441 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-04-06 08:48:09,635 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 851 Invalid, 446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 441 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-04-06 08:48:09,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9094 states. [2022-04-06 08:48:09,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9094 to 9094. [2022-04-06 08:48:09,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9094 states, 9089 states have (on average 1.4394322807789637) internal successors, (13083), 9089 states have internal predecessors, (13083), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:48:09,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9094 states to 9094 states and 13087 transitions. [2022-04-06 08:48:09,699 INFO L78 Accepts]: Start accepts. Automaton has 9094 states and 13087 transitions. Word has length 484 [2022-04-06 08:48:09,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:48:09,699 INFO L478 AbstractCegarLoop]: Abstraction has 9094 states and 13087 transitions. [2022-04-06 08:48:09,699 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 15.333333333333334) internal successors, (92), 5 states have internal predecessors, (92), 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) [2022-04-06 08:48:09,699 INFO L276 IsEmpty]: Start isEmpty. Operand 9094 states and 13087 transitions. [2022-04-06 08:48:09,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 485 [2022-04-06 08:48:09,707 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:48:09,708 INFO L499 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 9, 9, 9, 9, 9, 9, 9, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 08:48:09,708 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2022-04-06 08:48:09,708 INFO L403 AbstractCegarLoop]: === Iteration 60 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:48:09,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:48:09,708 INFO L85 PathProgramCache]: Analyzing trace with hash 1612048672, now seen corresponding path program 1 times [2022-04-06 08:48:09,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:48:09,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606948225] [2022-04-06 08:48:09,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:48:09,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:48:10,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:48:12,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:48:12,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:48:12,494 INFO L134 CoverageAnalysis]: Checked inductivity of 2136 backedges. 85 proven. 2013 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-04-06 08:48:12,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:48:12,494 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606948225] [2022-04-06 08:48:12,495 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606948225] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-06 08:48:12,495 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1827082852] [2022-04-06 08:48:12,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:48:12,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-06 08:48:12,495 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-06 08:48:12,496 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-06 08:48:12,497 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-04-06 08:48:13,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:48:13,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 2242 conjuncts, 157 conjunts are in the unsatisfiable core [2022-04-06 08:48:13,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-06 08:48:13,772 INFO L356 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-04-06 08:48:13,772 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 [2022-04-06 08:48:13,892 INFO L356 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2022-04-06 08:48:13,893 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 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 [2022-04-06 08:48:13,983 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 [2022-04-06 08:48:13,987 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 [2022-04-06 08:48:14,037 INFO L356 Elim1Store]: treesize reduction 31, result has 44.6 percent of original size [2022-04-06 08:48:14,037 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 94 treesize of output 82 [2022-04-06 08:48:14,056 INFO L356 Elim1Store]: treesize reduction 21, result has 47.5 percent of original size [2022-04-06 08:48:14,056 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 64 treesize of output 64 [2022-04-06 08:48:14,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-06 08:48:14,086 INFO L356 Elim1Store]: treesize reduction 48, result has 44.8 percent of original size [2022-04-06 08:48:14,087 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 32 treesize of output 54 [2022-04-06 08:48:14,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-06 08:48:14,186 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 127 treesize of output 114 [2022-04-06 08:48:14,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-06 08:48:14,191 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 127 treesize of output 114 [2022-04-06 08:48:14,235 INFO L356 Elim1Store]: treesize reduction 246, result has 22.4 percent of original size [2022-04-06 08:48:14,235 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 127 treesize of output 145 [2022-04-06 08:48:15,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-06 08:48:15,379 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 180 treesize of output 155 [2022-04-06 08:48:15,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-06 08:48:15,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-06 08:48:15,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-06 08:48:15,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-06 08:48:15,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-06 08:48:15,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-06 08:48:15,415 INFO L356 Elim1Store]: treesize reduction 156, result has 23.5 percent of original size [2022-04-06 08:48:15,416 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 176 treesize of output 174 [2022-04-06 08:48:15,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-06 08:48:15,421 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 184 treesize of output 159 [2022-04-06 08:48:16,788 INFO L356 Elim1Store]: treesize reduction 106, result has 42.7 percent of original size [2022-04-06 08:48:16,788 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 161 treesize of output 173 [2022-04-06 08:48:17,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-06 08:48:17,034 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 106 treesize of output 87 [2022-04-06 08:48:17,041 INFO L356 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-04-06 08:48:17,041 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 106 treesize of output 87 [2022-04-06 08:48:17,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-06 08:48:17,065 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 106 treesize of output 87 [2022-04-06 08:48:17,072 INFO L356 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-04-06 08:48:17,072 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 106 treesize of output 87 [2022-04-06 08:48:17,788 INFO L356 Elim1Store]: treesize reduction 72, result has 41.5 percent of original size [2022-04-06 08:48:17,788 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 155 treesize of output 156 [2022-04-06 08:48:17,817 INFO L356 Elim1Store]: treesize reduction 52, result has 42.9 percent of original size [2022-04-06 08:48:17,817 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 138 treesize of output 133 [2022-04-06 08:48:18,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-06 08:48:18,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-06 08:48:18,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-06 08:48:18,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-06 08:48:18,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-06 08:48:18,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-06 08:48:18,021 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 134 treesize of output 122 [2022-04-06 08:48:18,046 INFO L356 Elim1Store]: treesize reduction 154, result has 15.4 percent of original size [2022-04-06 08:48:18,046 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 4 case distinctions, treesize of input 134 treesize of output 122 [2022-04-06 08:48:19,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-06 08:48:19,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-06 08:48:19,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-06 08:48:19,134 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 129 treesize of output 113 [2022-04-06 08:48:19,148 INFO L356 Elim1Store]: treesize reduction 64, result has 22.9 percent of original size [2022-04-06 08:48:19,148 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 129 treesize of output 113 [2022-04-06 08:48:19,224 INFO L356 Elim1Store]: treesize reduction 72, result has 41.5 percent of original size [2022-04-06 08:48:19,225 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 209 treesize of output 192 [2022-04-06 08:48:19,254 INFO L356 Elim1Store]: treesize reduction 52, result has 42.9 percent of original size [2022-04-06 08:48:19,255 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 174 treesize of output 157 [2022-04-06 08:48:19,260 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 [2022-04-06 08:48:19,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-06 08:48:19,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-06 08:48:19,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-06 08:48:19,510 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 182 treesize of output 154 [2022-04-06 08:48:19,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-06 08:48:19,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-06 08:48:19,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-06 08:48:19,515 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 182 treesize of output 154 [2022-04-06 08:48:19,541 INFO L356 Elim1Store]: treesize reduction 102, result has 34.2 percent of original size [2022-04-06 08:48:19,541 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 182 treesize of output 206 [2022-04-06 08:48:21,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-06 08:48:21,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-06 08:48:21,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-06 08:48:21,156 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 235 treesize of output 195 [2022-04-06 08:48:21,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-06 08:48:21,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-06 08:48:21,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-06 08:48:21,232 INFO L356 Elim1Store]: treesize reduction 127, result has 14.2 percent of original size [2022-04-06 08:48:21,232 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 231 treesize of output 218 [2022-04-06 08:48:21,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-06 08:48:21,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-06 08:48:21,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-06 08:48:21,238 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 219 treesize of output 185 [2022-04-06 08:48:23,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-06 08:48:23,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-06 08:48:23,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-06 08:48:23,482 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 50 treesize of output 52 [2022-04-06 08:48:23,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-06 08:48:23,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-06 08:48:23,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-06 08:48:23,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-06 08:48:23,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-06 08:48:23,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-06 08:48:23,522 INFO L356 Elim1Store]: treesize reduction 161, result has 21.1 percent of original size [2022-04-06 08:48:23,522 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 77 treesize of output 95 [2022-04-06 08:48:23,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-06 08:48:23,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-06 08:48:23,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-06 08:48:23,535 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 68 treesize of output 64 [2022-04-06 08:48:23,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-06 08:48:23,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-06 08:48:23,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-06 08:48:23,641 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 68 treesize of output 64 [2022-04-06 08:48:23,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-06 08:48:23,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-06 08:48:23,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-06 08:48:23,680 INFO L356 Elim1Store]: treesize reduction 131, result has 25.6 percent of original size [2022-04-06 08:48:23,680 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 84 treesize of output 106 [2022-04-06 08:48:23,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-06 08:48:23,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-06 08:48:23,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-06 08:48:23,698 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 89 treesize of output 79 [2022-04-06 08:48:24,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-06 08:48:24,927 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 107 treesize of output 71 [2022-04-06 08:48:24,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-06 08:48:24,938 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 79 treesize of output 49 [2022-04-06 08:48:24,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-06 08:48:24,962 INFO L356 Elim1Store]: treesize reduction 55, result has 27.6 percent of original size [2022-04-06 08:48:24,962 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 51 treesize of output 58 [2022-04-06 08:48:25,054 INFO L356 Elim1Store]: treesize reduction 84, result has 18.4 percent of original size [2022-04-06 08:48:25,054 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 2 case distinctions, treesize of input 28 treesize of output 31 [2022-04-06 08:48:25,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-06 08:48:25,134 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 23 treesize of output 22 [2022-04-06 08:48:25,149 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 [2022-04-06 08:48:25,241 INFO L134 CoverageAnalysis]: Checked inductivity of 2136 backedges. 1202 proven. 876 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2022-04-06 08:48:25,241 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-06 08:48:25,324 WARN L833 $PredicateComparison]: unable to prove that (or (= |c_ssl3_accept_#t~mem145| 0) (forall ((v_ArrVal_20195 (Array Int Int))) (not (= (select (select (store |c_#memory_int| (select (select |c_#memory_$Pointer$.base| c_ssl3_accept_~s.base) (+ 84 c_ssl3_accept_~s.offset)) v_ArrVal_20195) c_ssl3_accept_~s.base) (+ 52 c_ssl3_accept_~s.offset)) 8640)))) is different from false [2022-04-06 08:48:25,664 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 23 [2022-04-06 08:48:25,681 WARN L833 $PredicateComparison]: unable to prove that (or (forall ((v_ArrVal_20195 (Array Int Int)) (v_arrayElimCell_108 Int)) (not (= (let ((.cse0 (+ 52 c_ssl3_accept_~s.offset))) (select (select (store (store |c_#memory_int| c_ssl3_accept_~s.base (store (select |c_#memory_int| c_ssl3_accept_~s.base) .cse0 8448)) v_arrayElimCell_108 v_ArrVal_20195) c_ssl3_accept_~s.base) .cse0)) 8640))) (= (select (select |c_#memory_int| c_ssl3_accept_~s.base) (+ 92 c_ssl3_accept_~s.offset)) 0)) is different from false [2022-04-06 08:48:25,726 WARN L833 $PredicateComparison]: unable to prove that (or (= (select (select |c_#memory_int| c_ssl3_accept_~s.base) (+ 92 c_ssl3_accept_~s.offset)) 0) (forall ((v_ArrVal_20189 Int) (v_ArrVal_20195 (Array Int Int)) (v_arrayElimCell_108 Int) (v_ArrVal_20190 Int)) (not (= 8640 (let ((.cse0 (+ 52 c_ssl3_accept_~s.offset))) (select (select (store (store |c_#memory_int| c_ssl3_accept_~s.base (store (store (store (select |c_#memory_int| c_ssl3_accept_~s.base) .cse0 v_ArrVal_20190) (+ 64 c_ssl3_accept_~s.offset) v_ArrVal_20189) .cse0 8448)) v_arrayElimCell_108 v_ArrVal_20195) c_ssl3_accept_~s.base) .cse0)))))) is different from false [2022-04-06 08:48:25,774 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_20186 Int) (v_ArrVal_20189 Int) (v_ArrVal_20195 (Array Int Int)) (v_arrayElimCell_108 Int) (v_ArrVal_20190 Int)) (let ((.cse0 (let ((.cse4 (+ 176 c_ssl3_accept_~s.offset))) (let ((.cse3 (select (select |c_#memory_$Pointer$.base| c_ssl3_accept_~s.base) .cse4))) (store |c_#memory_int| .cse3 (store (select |c_#memory_int| .cse3) (+ (select (select |c_#memory_$Pointer$.offset| c_ssl3_accept_~s.base) .cse4) 172) v_ArrVal_20186)))))) (let ((.cse1 (select .cse0 c_ssl3_accept_~s.base))) (or (not (= 8640 (let ((.cse2 (+ 52 c_ssl3_accept_~s.offset))) (select (select (store (store .cse0 c_ssl3_accept_~s.base (store (store (store .cse1 .cse2 v_ArrVal_20190) (+ 64 c_ssl3_accept_~s.offset) v_ArrVal_20189) .cse2 8448)) v_arrayElimCell_108 v_ArrVal_20195) c_ssl3_accept_~s.base) .cse2)))) (= (select .cse1 (+ 92 c_ssl3_accept_~s.offset)) 0))))) is different from false [2022-04-06 08:48:26,131 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_20186 Int) (v_ArrVal_20189 Int) (v_ArrVal_20195 (Array Int Int)) (v_ArrVal_20181 Int) (v_arrayElimCell_108 Int) (v_ArrVal_20190 Int)) (let ((.cse3 (+ 64 c_ssl3_accept_~s.offset))) (let ((.cse0 (let ((.cse6 (+ 176 c_ssl3_accept_~s.offset))) (let ((.cse4 (store |c_#memory_int| c_ssl3_accept_~s.base (store (select |c_#memory_int| c_ssl3_accept_~s.base) .cse3 v_ArrVal_20181))) (.cse5 (select (select |c_#memory_$Pointer$.base| c_ssl3_accept_~s.base) .cse6))) (store .cse4 .cse5 (store (select .cse4 .cse5) (+ (select (select |c_#memory_$Pointer$.offset| c_ssl3_accept_~s.base) .cse6) 172) v_ArrVal_20186)))))) (let ((.cse1 (select .cse0 c_ssl3_accept_~s.base))) (or (not (= (let ((.cse2 (+ 52 c_ssl3_accept_~s.offset))) (select (select (store (store .cse0 c_ssl3_accept_~s.base (store (store (store .cse1 .cse2 v_ArrVal_20190) .cse3 v_ArrVal_20189) .cse2 8448)) v_arrayElimCell_108 v_ArrVal_20195) c_ssl3_accept_~s.base) .cse2)) 8640)) (= (select .cse1 (+ 92 c_ssl3_accept_~s.offset)) 0)))))) is different from false [2022-04-06 08:48:28,352 INFO L356 Elim1Store]: treesize reduction 5713, result has 5.9 percent of original size [2022-04-06 08:48:28,353 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 3 new quantified variables, introduced 7 case distinctions, treesize of input 144024 treesize of output 143367 [2022-04-06 08:48:29,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-06 08:48:29,886 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-06 08:48:29,923 INFO L356 Elim1Store]: treesize reduction 427, result has 15.9 percent of original size [2022-04-06 08:48:29,923 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 4048 treesize of output 2841 [2022-04-06 08:48:29,934 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2022-04-06 08:53:48,277 INFO L356 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-04-06 08:53:48,359 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 144363779720 treesize of output 1 [2022-04-06 08:53:48,471 INFO L134 CoverageAnalysis]: Checked inductivity of 2136 backedges. 947 proven. 746 refuted. 61 times theorem prover too weak. 103 trivial. 279 not checked. [2022-04-06 08:53:48,471 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1827082852] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-06 08:53:48,471 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-06 08:53:48,471 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 23, 24] total 72 [2022-04-06 08:53:48,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941268903] [2022-04-06 08:53:48,472 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-06 08:53:48,472 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 72 states [2022-04-06 08:53:48,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:53:48,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2022-04-06 08:53:48,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=506, Invalid=3907, Unknown=29, NotChecked=670, Total=5112 [2022-04-06 08:53:48,474 INFO L87 Difference]: Start difference. First operand 9094 states and 13087 transitions. Second operand has 72 states, 71 states have (on average 16.802816901408452) internal successors, (1193), 70 states have internal predecessors, (1193), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:53:49,531 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:53:51,550 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:53:53,574 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:53:54,847 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:53:56,343 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:53:58,366 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:54:00,392 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:54:02,799 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:54:04,828 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-06 08:54:31,477 WARN L232 SmtUtils]: Spent 12.34s on a formula simplification that was a NOOP. DAG size: 194 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-04-06 08:54:32,473 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse7 (select |c_#memory_int| c_ssl3_accept_~s.base))) (and (or (forall ((v_ArrVal_20186 Int) (v_ArrVal_20174 Int) (v_ArrVal_20189 Int) (v_ArrVal_20195 (Array Int Int)) (v_ArrVal_20181 Int) (v_arrayElimCell_108 Int) (v_ArrVal_20190 Int)) (let ((.cse2 (+ 52 c_ssl3_accept_~s.offset)) (.cse3 (+ 64 c_ssl3_accept_~s.offset))) (let ((.cse1 (let ((.cse6 (+ 176 c_ssl3_accept_~s.offset))) (let ((.cse4 (store |c_#memory_int| c_ssl3_accept_~s.base (store (store (select |c_#memory_int| c_ssl3_accept_~s.base) .cse2 v_ArrVal_20174) .cse3 v_ArrVal_20181))) (.cse5 (select (select |c_#memory_$Pointer$.base| c_ssl3_accept_~s.base) .cse6))) (store .cse4 .cse5 (store (select .cse4 .cse5) (+ (select (select |c_#memory_$Pointer$.offset| c_ssl3_accept_~s.base) .cse6) 172) v_ArrVal_20186)))))) (let ((.cse0 (select .cse1 c_ssl3_accept_~s.base))) (or (= (select .cse0 (+ 92 c_ssl3_accept_~s.offset)) 0) (not (= (select (select (store (store .cse1 c_ssl3_accept_~s.base (store (store (store .cse0 .cse2 v_ArrVal_20190) .cse3 v_ArrVal_20189) .cse2 8448)) v_arrayElimCell_108 v_ArrVal_20195) c_ssl3_accept_~s.base) .cse2) 8640))))))) (not (= (select .cse7 (+ 92 c_ssl3_accept_~s.offset)) 0))) (forall ((v_ArrVal_20186 Int) (v_ArrVal_20189 Int) (v_ArrVal_20195 (Array Int Int)) (v_arrayElimCell_108 Int) (v_ArrVal_20190 Int)) (let ((.cse8 (let ((.cse12 (+ 176 c_ssl3_accept_~s.offset))) (let ((.cse11 (select (select |c_#memory_$Pointer$.base| c_ssl3_accept_~s.base) .cse12))) (store |c_#memory_int| .cse11 (store (select |c_#memory_int| .cse11) (+ (select (select |c_#memory_$Pointer$.offset| c_ssl3_accept_~s.base) .cse12) 172) v_ArrVal_20186)))))) (let ((.cse9 (select .cse8 c_ssl3_accept_~s.base))) (or (not (= 8640 (let ((.cse10 (+ 52 c_ssl3_accept_~s.offset))) (select (select (store (store .cse8 c_ssl3_accept_~s.base (store (store (store .cse9 .cse10 v_ArrVal_20190) (+ 64 c_ssl3_accept_~s.offset) v_ArrVal_20189) .cse10 8448)) v_arrayElimCell_108 v_ArrVal_20195) c_ssl3_accept_~s.base) .cse10)))) (= (select .cse9 (+ 92 c_ssl3_accept_~s.offset)) 0))))) (= (select .cse7 (+ 64 c_ssl3_accept_~s.offset)) 0))) is different from false [2022-04-06 08:54:32,521 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse8 (select |c_#memory_int| c_ssl3_accept_~s.base))) (let ((.cse0 (forall ((v_ArrVal_20186 Int) (v_ArrVal_20174 Int) (v_ArrVal_20189 Int) (v_ArrVal_20195 (Array Int Int)) (v_ArrVal_20181 Int) (v_arrayElimCell_108 Int) (v_ArrVal_20190 Int)) (let ((.cse11 (+ 52 c_ssl3_accept_~s.offset)) (.cse12 (+ 64 c_ssl3_accept_~s.offset))) (let ((.cse10 (let ((.cse15 (+ 176 c_ssl3_accept_~s.offset))) (let ((.cse13 (store |c_#memory_int| c_ssl3_accept_~s.base (store (store (select |c_#memory_int| c_ssl3_accept_~s.base) .cse11 v_ArrVal_20174) .cse12 v_ArrVal_20181))) (.cse14 (select (select |c_#memory_$Pointer$.base| c_ssl3_accept_~s.base) .cse15))) (store .cse13 .cse14 (store (select .cse13 .cse14) (+ (select (select |c_#memory_$Pointer$.offset| c_ssl3_accept_~s.base) .cse15) 172) v_ArrVal_20186)))))) (let ((.cse9 (select .cse10 c_ssl3_accept_~s.base))) (or (= (select .cse9 (+ 92 c_ssl3_accept_~s.offset)) 0) (not (= (select (select (store (store .cse10 c_ssl3_accept_~s.base (store (store (store .cse9 .cse11 v_ArrVal_20190) .cse12 v_ArrVal_20189) .cse11 8448)) v_arrayElimCell_108 v_ArrVal_20195) c_ssl3_accept_~s.base) .cse11) 8640)))))))) (.cse2 (not (= (select .cse8 (+ 92 c_ssl3_accept_~s.offset)) 0)))) (and (or .cse0 (not (= (let ((.cse1 (+ 84 c_ssl3_accept_~s.offset))) (select (select |c_#memory_int| (select (select |c_#memory_$Pointer$.base| c_ssl3_accept_~s.base) .cse1)) (+ 844 (select (select |c_#memory_$Pointer$.offset| c_ssl3_accept_~s.base) .cse1)))) 8640)) .cse2) (forall ((v_ArrVal_20186 Int) (v_ArrVal_20189 Int) (v_ArrVal_20195 (Array Int Int)) (v_arrayElimCell_108 Int) (v_ArrVal_20190 Int)) (let ((.cse3 (let ((.cse7 (+ 176 c_ssl3_accept_~s.offset))) (let ((.cse6 (select (select |c_#memory_$Pointer$.base| c_ssl3_accept_~s.base) .cse7))) (store |c_#memory_int| .cse6 (store (select |c_#memory_int| .cse6) (+ (select (select |c_#memory_$Pointer$.offset| c_ssl3_accept_~s.base) .cse7) 172) v_ArrVal_20186)))))) (let ((.cse4 (select .cse3 c_ssl3_accept_~s.base))) (or (not (= 8640 (let ((.cse5 (+ 52 c_ssl3_accept_~s.offset))) (select (select (store (store .cse3 c_ssl3_accept_~s.base (store (store (store .cse4 .cse5 v_ArrVal_20190) (+ 64 c_ssl3_accept_~s.offset) v_ArrVal_20189) .cse5 8448)) v_arrayElimCell_108 v_ArrVal_20195) c_ssl3_accept_~s.base) .cse5)))) (= (select .cse4 (+ 92 c_ssl3_accept_~s.offset)) 0))))) (or .cse0 (not (= 8640 (select .cse8 (+ 52 c_ssl3_accept_~s.offset)))) .cse2) (= (select .cse8 (+ 64 c_ssl3_accept_~s.offset)) 0)))) is different from false [2022-04-06 08:54:45,807 WARN L232 SmtUtils]: Spent 11.03s on a formula simplification. DAG size of input: 196 DAG size of output: 139 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-04-06 08:54:50,651 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse9 (select |c_#memory_int| c_ssl3_accept_~s.base))) (let ((.cse0 (forall ((v_ArrVal_20186 Int) (v_ArrVal_20174 Int) (v_ArrVal_20189 Int) (v_ArrVal_20195 (Array Int Int)) (v_ArrVal_20181 Int) (v_arrayElimCell_108 Int) (v_ArrVal_20190 Int)) (let ((.cse12 (+ 52 c_ssl3_accept_~s.offset)) (.cse13 (+ 64 c_ssl3_accept_~s.offset))) (let ((.cse11 (let ((.cse16 (+ 176 c_ssl3_accept_~s.offset))) (let ((.cse14 (store |c_#memory_int| c_ssl3_accept_~s.base (store (store (select |c_#memory_int| c_ssl3_accept_~s.base) .cse12 v_ArrVal_20174) .cse13 v_ArrVal_20181))) (.cse15 (select (select |c_#memory_$Pointer$.base| c_ssl3_accept_~s.base) .cse16))) (store .cse14 .cse15 (store (select .cse14 .cse15) (+ (select (select |c_#memory_$Pointer$.offset| c_ssl3_accept_~s.base) .cse16) 172) v_ArrVal_20186)))))) (let ((.cse10 (select .cse11 c_ssl3_accept_~s.base))) (or (= (select .cse10 (+ 92 c_ssl3_accept_~s.offset)) 0) (not (= (select (select (store (store .cse11 c_ssl3_accept_~s.base (store (store (store .cse10 .cse12 v_ArrVal_20190) .cse13 v_ArrVal_20189) .cse12 8448)) v_arrayElimCell_108 v_ArrVal_20195) c_ssl3_accept_~s.base) .cse12) 8640)))))))) (.cse2 (not (= (select .cse9 (+ 92 c_ssl3_accept_~s.offset)) 0))) (.cse8 (select .cse9 (+ 52 c_ssl3_accept_~s.offset)))) (and (or .cse0 (not (= (let ((.cse1 (+ 84 c_ssl3_accept_~s.offset))) (select (select |c_#memory_int| (select (select |c_#memory_$Pointer$.base| c_ssl3_accept_~s.base) .cse1)) (+ 844 (select (select |c_#memory_$Pointer$.offset| c_ssl3_accept_~s.base) .cse1)))) 8640)) .cse2) (forall ((v_ArrVal_20186 Int) (v_ArrVal_20189 Int) (v_ArrVal_20195 (Array Int Int)) (v_arrayElimCell_108 Int) (v_ArrVal_20190 Int)) (let ((.cse3 (let ((.cse7 (+ 176 c_ssl3_accept_~s.offset))) (let ((.cse6 (select (select |c_#memory_$Pointer$.base| c_ssl3_accept_~s.base) .cse7))) (store |c_#memory_int| .cse6 (store (select |c_#memory_int| .cse6) (+ (select (select |c_#memory_$Pointer$.offset| c_ssl3_accept_~s.base) .cse7) 172) v_ArrVal_20186)))))) (let ((.cse4 (select .cse3 c_ssl3_accept_~s.base))) (or (not (= 8640 (let ((.cse5 (+ 52 c_ssl3_accept_~s.offset))) (select (select (store (store .cse3 c_ssl3_accept_~s.base (store (store (store .cse4 .cse5 v_ArrVal_20190) (+ 64 c_ssl3_accept_~s.offset) v_ArrVal_20189) .cse5 8448)) v_arrayElimCell_108 v_ArrVal_20195) c_ssl3_accept_~s.base) .cse5)))) (= (select .cse4 (+ 92 c_ssl3_accept_~s.offset)) 0))))) (or .cse0 (not (= 8640 .cse8)) .cse2) (= |c_ssl3_accept_#t~mem58| .cse8) (= (select .cse9 (+ 64 c_ssl3_accept_~s.offset)) 0)))) is different from false [2022-04-06 08:54:51,240 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse8 (select |c_#memory_int| c_ssl3_accept_~s.base))) (let ((.cse0 (forall ((v_ArrVal_20186 Int) (v_ArrVal_20174 Int) (v_ArrVal_20189 Int) (v_ArrVal_20195 (Array Int Int)) (v_ArrVal_20181 Int) (v_arrayElimCell_108 Int) (v_ArrVal_20190 Int)) (let ((.cse11 (+ 52 c_ssl3_accept_~s.offset)) (.cse12 (+ 64 c_ssl3_accept_~s.offset))) (let ((.cse10 (let ((.cse15 (+ 176 c_ssl3_accept_~s.offset))) (let ((.cse13 (store |c_#memory_int| c_ssl3_accept_~s.base (store (store (select |c_#memory_int| c_ssl3_accept_~s.base) .cse11 v_ArrVal_20174) .cse12 v_ArrVal_20181))) (.cse14 (select (select |c_#memory_$Pointer$.base| c_ssl3_accept_~s.base) .cse15))) (store .cse13 .cse14 (store (select .cse13 .cse14) (+ (select (select |c_#memory_$Pointer$.offset| c_ssl3_accept_~s.base) .cse15) 172) v_ArrVal_20186)))))) (let ((.cse9 (select .cse10 c_ssl3_accept_~s.base))) (or (= (select .cse9 (+ 92 c_ssl3_accept_~s.offset)) 0) (not (= (select (select (store (store .cse10 c_ssl3_accept_~s.base (store (store (store .cse9 .cse11 v_ArrVal_20190) .cse12 v_ArrVal_20189) .cse11 8448)) v_arrayElimCell_108 v_ArrVal_20195) c_ssl3_accept_~s.base) .cse11) 8640)))))))) (.cse2 (not (= (select .cse8 (+ 92 c_ssl3_accept_~s.offset)) 0)))) (and (or .cse0 (not (= (let ((.cse1 (+ 84 c_ssl3_accept_~s.offset))) (select (select |c_#memory_int| (select (select |c_#memory_$Pointer$.base| c_ssl3_accept_~s.base) .cse1)) (+ 844 (select (select |c_#memory_$Pointer$.offset| c_ssl3_accept_~s.base) .cse1)))) 8640)) .cse2) (forall ((v_ArrVal_20186 Int) (v_ArrVal_20189 Int) (v_ArrVal_20195 (Array Int Int)) (v_arrayElimCell_108 Int) (v_ArrVal_20190 Int)) (let ((.cse3 (let ((.cse7 (+ 176 c_ssl3_accept_~s.offset))) (let ((.cse6 (select (select |c_#memory_$Pointer$.base| c_ssl3_accept_~s.base) .cse7))) (store |c_#memory_int| .cse6 (store (select |c_#memory_int| .cse6) (+ (select (select |c_#memory_$Pointer$.offset| c_ssl3_accept_~s.base) .cse7) 172) v_ArrVal_20186)))))) (let ((.cse4 (select .cse3 c_ssl3_accept_~s.base))) (or (not (= 8640 (let ((.cse5 (+ 52 c_ssl3_accept_~s.offset))) (select (select (store (store .cse3 c_ssl3_accept_~s.base (store (store (store .cse4 .cse5 v_ArrVal_20190) (+ 64 c_ssl3_accept_~s.offset) v_ArrVal_20189) .cse5 8448)) v_arrayElimCell_108 v_ArrVal_20195) c_ssl3_accept_~s.base) .cse5)))) (= (select .cse4 (+ 92 c_ssl3_accept_~s.offset)) 0))))) (or .cse0 (not (= 8640 (select .cse8 (+ 52 c_ssl3_accept_~s.offset)))) .cse2)))) is different from false [2022-04-06 08:54:53,422 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse15 (select |c_#memory_$Pointer$.offset| c_ssl3_accept_~s.base)) (.cse12 (select |c_#memory_$Pointer$.base| c_ssl3_accept_~s.base)) (.cse11 (+ 84 c_ssl3_accept_~s.offset)) (.cse21 (select |c_#memory_int| c_ssl3_accept_~s.base)) (.cse14 (+ 92 c_ssl3_accept_~s.offset))) (let ((.cse9 (= (select .cse21 .cse14) 0)) (.cse1 (not (= (select .cse12 .cse11) c_ssl3_accept_~s.base))) (.cse0 (select .cse15 .cse11))) (and (or (not (= (+ 780 .cse0) c_ssl3_accept_~s.offset)) .cse1) (or (forall ((v_ArrVal_20186 Int) (v_ArrVal_20174 Int) (v_ArrVal_20189 Int) (v_ArrVal_20195 (Array Int Int)) (v_ArrVal_20181 Int) (v_arrayElimCell_108 Int) (v_ArrVal_20190 Int)) (let ((.cse4 (+ 52 c_ssl3_accept_~s.offset)) (.cse5 (+ 64 c_ssl3_accept_~s.offset))) (let ((.cse3 (let ((.cse8 (+ 176 c_ssl3_accept_~s.offset))) (let ((.cse6 (store |c_#memory_int| c_ssl3_accept_~s.base (store (store (select |c_#memory_int| c_ssl3_accept_~s.base) .cse4 v_ArrVal_20174) .cse5 v_ArrVal_20181))) (.cse7 (select (select |c_#memory_$Pointer$.base| c_ssl3_accept_~s.base) .cse8))) (store .cse6 .cse7 (store (select .cse6 .cse7) (+ (select (select |c_#memory_$Pointer$.offset| c_ssl3_accept_~s.base) .cse8) 172) v_ArrVal_20186)))))) (let ((.cse2 (select .cse3 c_ssl3_accept_~s.base))) (or (= (select .cse2 (+ 92 c_ssl3_accept_~s.offset)) 0) (not (= (select (select (store (store .cse3 c_ssl3_accept_~s.base (store (store (store .cse2 .cse4 v_ArrVal_20190) .cse5 v_ArrVal_20189) .cse4 8448)) v_arrayElimCell_108 v_ArrVal_20195) c_ssl3_accept_~s.base) .cse4) 8640))))))) (not .cse9)) (let ((.cse13 (+ 176 c_ssl3_accept_~s.offset))) (let ((.cse10 (+ (select .cse15 .cse13) 172))) (or (and .cse1 (or (not (= .cse10 .cse11)) (not (= (select .cse12 .cse13) c_ssl3_accept_~s.base)))) (and .cse9 (or (<= (+ 793 .cse0) c_ssl3_accept_~s.offset) (<= c_ssl3_accept_~s.offset (+ 791 .cse0)) (not (= .cse10 .cse14))))))) (forall ((v_ArrVal_20186 Int) (v_ArrVal_20189 Int) (v_ArrVal_20195 (Array Int Int)) (v_arrayElimCell_108 Int) (v_ArrVal_20190 Int)) (let ((.cse16 (let ((.cse20 (+ 176 c_ssl3_accept_~s.offset))) (let ((.cse19 (select (select |c_#memory_$Pointer$.base| c_ssl3_accept_~s.base) .cse20))) (store |c_#memory_int| .cse19 (store (select |c_#memory_int| .cse19) (+ (select (select |c_#memory_$Pointer$.offset| c_ssl3_accept_~s.base) .cse20) 172) v_ArrVal_20186)))))) (let ((.cse17 (select .cse16 c_ssl3_accept_~s.base))) (or (not (= 8640 (let ((.cse18 (+ 52 c_ssl3_accept_~s.offset))) (select (select (store (store .cse16 c_ssl3_accept_~s.base (store (store (store .cse17 .cse18 v_ArrVal_20190) (+ 64 c_ssl3_accept_~s.offset) v_ArrVal_20189) .cse18 8448)) v_arrayElimCell_108 v_ArrVal_20195) c_ssl3_accept_~s.base) .cse18)))) (= (select .cse17 (+ 92 c_ssl3_accept_~s.offset)) 0))))) (or (not (= (+ 792 .cse0) c_ssl3_accept_~s.offset)) .cse1) (or .cse1 (not (= (+ 752 .cse0) c_ssl3_accept_~s.offset))) (or .cse1 (not (= (+ .cse0 760) c_ssl3_accept_~s.offset))) (= (select .cse21 (+ 64 c_ssl3_accept_~s.offset)) 0)))) is different from false [2022-04-06 08:54:55,129 WARN L833 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_20186 Int) (v_ArrVal_20189 Int) (v_ArrVal_20195 (Array Int Int)) (v_arrayElimCell_108 Int) (v_ArrVal_20190 Int)) (let ((.cse0 (let ((.cse4 (+ 176 c_ssl3_accept_~s.offset))) (let ((.cse3 (select (select |c_#memory_$Pointer$.base| c_ssl3_accept_~s.base) .cse4))) (store |c_#memory_int| .cse3 (store (select |c_#memory_int| .cse3) (+ (select (select |c_#memory_$Pointer$.offset| c_ssl3_accept_~s.base) .cse4) 172) v_ArrVal_20186)))))) (let ((.cse1 (select .cse0 c_ssl3_accept_~s.base))) (or (not (= 8640 (let ((.cse2 (+ 52 c_ssl3_accept_~s.offset))) (select (select (store (store .cse0 c_ssl3_accept_~s.base (store (store (store .cse1 .cse2 v_ArrVal_20190) (+ 64 c_ssl3_accept_~s.offset) v_ArrVal_20189) .cse2 8448)) v_arrayElimCell_108 v_ArrVal_20195) c_ssl3_accept_~s.base) .cse2)))) (= (select .cse1 (+ 92 c_ssl3_accept_~s.offset)) 0))))) (let ((.cse12 (select |c_#memory_int| c_ssl3_accept_~s.base))) (or (forall ((v_ArrVal_20186 Int) (v_ArrVal_20174 Int) (v_ArrVal_20189 Int) (v_ArrVal_20195 (Array Int Int)) (v_ArrVal_20181 Int) (v_arrayElimCell_108 Int) (v_ArrVal_20190 Int)) (let ((.cse7 (+ 52 c_ssl3_accept_~s.offset)) (.cse8 (+ 64 c_ssl3_accept_~s.offset))) (let ((.cse6 (let ((.cse11 (+ 176 c_ssl3_accept_~s.offset))) (let ((.cse9 (store |c_#memory_int| c_ssl3_accept_~s.base (store (store (select |c_#memory_int| c_ssl3_accept_~s.base) .cse7 v_ArrVal_20174) .cse8 v_ArrVal_20181))) (.cse10 (select (select |c_#memory_$Pointer$.base| c_ssl3_accept_~s.base) .cse11))) (store .cse9 .cse10 (store (select .cse9 .cse10) (+ (select (select |c_#memory_$Pointer$.offset| c_ssl3_accept_~s.base) .cse11) 172) v_ArrVal_20186)))))) (let ((.cse5 (select .cse6 c_ssl3_accept_~s.base))) (or (= (select .cse5 (+ 92 c_ssl3_accept_~s.offset)) 0) (not (= (select (select (store (store .cse6 c_ssl3_accept_~s.base (store (store (store .cse5 .cse7 v_ArrVal_20190) .cse8 v_ArrVal_20189) .cse7 8448)) v_arrayElimCell_108 v_ArrVal_20195) c_ssl3_accept_~s.base) .cse7) 8640))))))) (not (= 8640 (select .cse12 (+ 52 c_ssl3_accept_~s.offset)))) (not (= (select .cse12 (+ 92 c_ssl3_accept_~s.offset)) 0))))) is different from false [2022-04-06 08:55:01,291 WARN L833 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_20186 Int) (v_ArrVal_20189 Int) (v_ArrVal_20195 (Array Int Int)) (v_arrayElimCell_108 Int) (v_ArrVal_20190 Int)) (let ((.cse0 (let ((.cse4 (+ 176 c_ssl3_accept_~s.offset))) (let ((.cse3 (select (select |c_#memory_$Pointer$.base| c_ssl3_accept_~s.base) .cse4))) (store |c_#memory_int| .cse3 (store (select |c_#memory_int| .cse3) (+ (select (select |c_#memory_$Pointer$.offset| c_ssl3_accept_~s.base) .cse4) 172) v_ArrVal_20186)))))) (let ((.cse1 (select .cse0 c_ssl3_accept_~s.base))) (or (not (= 8640 (let ((.cse2 (+ 52 c_ssl3_accept_~s.offset))) (select (select (store (store .cse0 c_ssl3_accept_~s.base (store (store (store .cse1 .cse2 v_ArrVal_20190) (+ 64 c_ssl3_accept_~s.offset) v_ArrVal_20189) .cse2 8448)) v_arrayElimCell_108 v_ArrVal_20195) c_ssl3_accept_~s.base) .cse2)))) (= (select .cse1 (+ 92 c_ssl3_accept_~s.offset)) 0))))) (or (not (= |c_ssl3_accept_#t~mem75| 8640)) (forall ((v_ArrVal_20186 Int) (v_ArrVal_20174 Int) (v_ArrVal_20189 Int) (v_ArrVal_20195 (Array Int Int)) (v_ArrVal_20181 Int) (v_arrayElimCell_108 Int) (v_ArrVal_20190 Int)) (let ((.cse7 (+ 52 c_ssl3_accept_~s.offset)) (.cse8 (+ 64 c_ssl3_accept_~s.offset))) (let ((.cse6 (let ((.cse11 (+ 176 c_ssl3_accept_~s.offset))) (let ((.cse9 (store |c_#memory_int| c_ssl3_accept_~s.base (store (store (select |c_#memory_int| c_ssl3_accept_~s.base) .cse7 v_ArrVal_20174) .cse8 v_ArrVal_20181))) (.cse10 (select (select |c_#memory_$Pointer$.base| c_ssl3_accept_~s.base) .cse11))) (store .cse9 .cse10 (store (select .cse9 .cse10) (+ (select (select |c_#memory_$Pointer$.offset| c_ssl3_accept_~s.base) .cse11) 172) v_ArrVal_20186)))))) (let ((.cse5 (select .cse6 c_ssl3_accept_~s.base))) (or (= (select .cse5 (+ 92 c_ssl3_accept_~s.offset)) 0) (not (= (select (select (store (store .cse6 c_ssl3_accept_~s.base (store (store (store .cse5 .cse7 v_ArrVal_20190) .cse8 v_ArrVal_20189) .cse7 8448)) v_arrayElimCell_108 v_ArrVal_20195) c_ssl3_accept_~s.base) .cse7) 8640))))))) (not (= (select (select |c_#memory_int| c_ssl3_accept_~s.base) (+ 92 c_ssl3_accept_~s.offset)) 0)))) is different from false [2022-04-06 08:55:16,721 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse2 (select |c_#memory_$Pointer$.base| c_ssl3_accept_~s.base)) (.cse4 (select |c_#memory_$Pointer$.offset| c_ssl3_accept_~s.base)) (.cse7 (+ 84 c_ssl3_accept_~s.offset))) (let ((.cse5 (select .cse4 .cse7)) (.cse6 (not (= (select .cse2 .cse7) c_ssl3_accept_~s.base))) (.cse0 (= (select (select |c_#memory_int| c_ssl3_accept_~s.base) (+ 92 c_ssl3_accept_~s.offset)) 0))) (and (or .cse0 (forall ((v_ArrVal_20189 Int) (v_ArrVal_20195 (Array Int Int)) (v_arrayElimCell_108 Int) (v_ArrVal_20190 Int)) (not (= 8640 (let ((.cse1 (+ 52 c_ssl3_accept_~s.offset))) (select (select (store (store |c_#memory_int| c_ssl3_accept_~s.base (store (store (store (select |c_#memory_int| c_ssl3_accept_~s.base) .cse1 v_ArrVal_20190) (+ 64 c_ssl3_accept_~s.offset) v_ArrVal_20189) .cse1 8448)) v_arrayElimCell_108 v_ArrVal_20195) c_ssl3_accept_~s.base) .cse1)))))) (or (let ((.cse3 (+ 176 c_ssl3_accept_~s.offset))) (and (= (select .cse2 .cse3) c_ssl3_accept_~s.base) (= (+ 88 (select .cse4 .cse3)) c_ssl3_accept_~s.offset))) (and (or (not (= (+ 780 .cse5) c_ssl3_accept_~s.offset)) .cse6) (or (not (= (+ 792 .cse5) c_ssl3_accept_~s.offset)) .cse6) (or .cse6 (not (= (+ 752 .cse5) c_ssl3_accept_~s.offset))) (or .cse6 (not (= (+ .cse5 760) c_ssl3_accept_~s.offset))))) (or (<= (+ 793 .cse5) c_ssl3_accept_~s.offset) (<= c_ssl3_accept_~s.offset (+ 791 .cse5)) .cse6 .cse0)))) is different from false [2022-04-06 08:55:38,612 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse12 (select |c_#memory_$Pointer$.base| c_ssl3_accept_~s.base)) (.cse11 (+ 84 c_ssl3_accept_~s.offset))) (let ((.cse15 (select |c_#memory_$Pointer$.offset| c_ssl3_accept_~s.base)) (.cse17 (select .cse12 .cse11))) (let ((.cse18 (+ 52 c_ssl3_accept_~s.offset)) (.cse24 (= .cse17 c_ssl3_accept_~s.base)) (.cse0 (select .cse15 .cse11)) (.cse26 (select |c_#memory_int| c_ssl3_accept_~s.base)) (.cse14 (+ 92 c_ssl3_accept_~s.offset))) (let ((.cse9 (= (select .cse26 .cse14) 0)) (.cse16 (not (= (+ 792 .cse0) c_ssl3_accept_~s.offset))) (.cse1 (not .cse24)) (.cse25 (not (= 8640 (select .cse26 .cse18))))) (and (or (not (= (+ 780 .cse0) c_ssl3_accept_~s.offset)) .cse1) (or (forall ((v_ArrVal_20186 Int) (v_ArrVal_20174 Int) (v_ArrVal_20189 Int) (v_ArrVal_20195 (Array Int Int)) (v_ArrVal_20181 Int) (v_arrayElimCell_108 Int) (v_ArrVal_20190 Int)) (let ((.cse4 (+ 52 c_ssl3_accept_~s.offset)) (.cse5 (+ 64 c_ssl3_accept_~s.offset))) (let ((.cse3 (let ((.cse8 (+ 176 c_ssl3_accept_~s.offset))) (let ((.cse6 (store |c_#memory_int| c_ssl3_accept_~s.base (store (store (select |c_#memory_int| c_ssl3_accept_~s.base) .cse4 v_ArrVal_20174) .cse5 v_ArrVal_20181))) (.cse7 (select (select |c_#memory_$Pointer$.base| c_ssl3_accept_~s.base) .cse8))) (store .cse6 .cse7 (store (select .cse6 .cse7) (+ (select (select |c_#memory_$Pointer$.offset| c_ssl3_accept_~s.base) .cse8) 172) v_ArrVal_20186)))))) (let ((.cse2 (select .cse3 c_ssl3_accept_~s.base))) (or (= (select .cse2 (+ 92 c_ssl3_accept_~s.offset)) 0) (not (= (select (select (store (store .cse3 c_ssl3_accept_~s.base (store (store (store .cse2 .cse4 v_ArrVal_20190) .cse5 v_ArrVal_20189) .cse4 8448)) v_arrayElimCell_108 v_ArrVal_20195) c_ssl3_accept_~s.base) .cse4) 8640))))))) (not .cse9)) (let ((.cse13 (+ 176 c_ssl3_accept_~s.offset))) (let ((.cse10 (+ (select .cse15 .cse13) 172))) (or (and .cse1 (or (not (= .cse10 .cse11)) (not (= (select .cse12 .cse13) c_ssl3_accept_~s.base)))) (and .cse9 (or (<= (+ 793 .cse0) c_ssl3_accept_~s.offset) (<= c_ssl3_accept_~s.offset (+ 791 .cse0)) (not (= .cse10 .cse14))))))) (or (= |c_ssl3_accept_#t~mem145| 0) .cse1 (and .cse16 (not (= (select (select |c_#memory_int| .cse17) .cse18) 8640)))) (forall ((v_ArrVal_20186 Int) (v_ArrVal_20189 Int) (v_ArrVal_20195 (Array Int Int)) (v_arrayElimCell_108 Int) (v_ArrVal_20190 Int)) (let ((.cse19 (let ((.cse23 (+ 176 c_ssl3_accept_~s.offset))) (let ((.cse22 (select (select |c_#memory_$Pointer$.base| c_ssl3_accept_~s.base) .cse23))) (store |c_#memory_int| .cse22 (store (select |c_#memory_int| .cse22) (+ (select (select |c_#memory_$Pointer$.offset| c_ssl3_accept_~s.base) .cse23) 172) v_ArrVal_20186)))))) (let ((.cse20 (select .cse19 c_ssl3_accept_~s.base))) (or (not (= 8640 (let ((.cse21 (+ 52 c_ssl3_accept_~s.offset))) (select (select (store (store .cse19 c_ssl3_accept_~s.base (store (store (store .cse20 .cse21 v_ArrVal_20190) (+ 64 c_ssl3_accept_~s.offset) v_ArrVal_20189) .cse21 8448)) v_arrayElimCell_108 v_ArrVal_20195) c_ssl3_accept_~s.base) .cse21)))) (= (select .cse20 (+ 92 c_ssl3_accept_~s.offset)) 0))))) (or .cse16 .cse1) (or .cse1 (not (= (+ 752 .cse0) c_ssl3_accept_~s.offset))) (or .cse1 (not (= (+ .cse0 760) c_ssl3_accept_~s.offset))) (or .cse24 .cse25) .cse25 (= (select .cse26 (+ 64 c_ssl3_accept_~s.offset)) 0)))))) is different from false [2022-04-06 08:55:43,904 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse13 (select |c_#memory_int| c_ssl3_accept_~s.base))) (let ((.cse7 (= (select .cse13 (+ 92 c_ssl3_accept_~s.offset)) 0))) (and (or (forall ((v_ArrVal_20186 Int) (v_ArrVal_20174 Int) (v_ArrVal_20189 Int) (v_ArrVal_20195 (Array Int Int)) (v_ArrVal_20181 Int) (v_arrayElimCell_108 Int) (v_ArrVal_20190 Int)) (let ((.cse2 (+ 52 c_ssl3_accept_~s.offset)) (.cse3 (+ 64 c_ssl3_accept_~s.offset))) (let ((.cse1 (let ((.cse6 (+ 176 c_ssl3_accept_~s.offset))) (let ((.cse4 (store |c_#memory_int| c_ssl3_accept_~s.base (store (store (select |c_#memory_int| c_ssl3_accept_~s.base) .cse2 v_ArrVal_20174) .cse3 v_ArrVal_20181))) (.cse5 (select (select |c_#memory_$Pointer$.base| c_ssl3_accept_~s.base) .cse6))) (store .cse4 .cse5 (store (select .cse4 .cse5) (+ (select (select |c_#memory_$Pointer$.offset| c_ssl3_accept_~s.base) .cse6) 172) v_ArrVal_20186)))))) (let ((.cse0 (select .cse1 c_ssl3_accept_~s.base))) (or (= (select .cse0 (+ 92 c_ssl3_accept_~s.offset)) 0) (not (= (select (select (store (store .cse1 c_ssl3_accept_~s.base (store (store (store .cse0 .cse2 v_ArrVal_20190) .cse3 v_ArrVal_20189) .cse2 8448)) v_arrayElimCell_108 v_ArrVal_20195) c_ssl3_accept_~s.base) .cse2) 8640))))))) (not .cse7)) (forall ((v_ArrVal_20186 Int) (v_ArrVal_20189 Int) (v_ArrVal_20195 (Array Int Int)) (v_arrayElimCell_108 Int) (v_ArrVal_20190 Int)) (let ((.cse8 (let ((.cse12 (+ 176 c_ssl3_accept_~s.offset))) (let ((.cse11 (select (select |c_#memory_$Pointer$.base| c_ssl3_accept_~s.base) .cse12))) (store |c_#memory_int| .cse11 (store (select |c_#memory_int| .cse11) (+ (select (select |c_#memory_$Pointer$.offset| c_ssl3_accept_~s.base) .cse12) 172) v_ArrVal_20186)))))) (let ((.cse9 (select .cse8 c_ssl3_accept_~s.base))) (or (not (= 8640 (let ((.cse10 (+ 52 c_ssl3_accept_~s.offset))) (select (select (store (store .cse8 c_ssl3_accept_~s.base (store (store (store .cse9 .cse10 v_ArrVal_20190) (+ 64 c_ssl3_accept_~s.offset) v_ArrVal_20189) .cse10 8448)) v_arrayElimCell_108 v_ArrVal_20195) c_ssl3_accept_~s.base) .cse10)))) (= (select .cse9 (+ 92 c_ssl3_accept_~s.offset)) 0))))) (not (= 8640 (select .cse13 (+ 52 c_ssl3_accept_~s.offset)))) (forall ((v_ArrVal_20142 Int) (v_ArrVal_20140 Int) (v_ArrVal_20157 Int) (v_ArrVal_20156 Int)) (let ((.cse17 (+ 176 c_ssl3_accept_~s.offset))) (let ((.cse26 (select (select |c_#memory_$Pointer$.base| c_ssl3_accept_~s.base) .cse17)) (.cse27 (+ (select (select |c_#memory_$Pointer$.offset| c_ssl3_accept_~s.base) .cse17) 172))) (let ((.cse23 (store |c_#memory_$Pointer$.offset| .cse26 (store (select |c_#memory_$Pointer$.offset| .cse26) .cse27 v_ArrVal_20142))) (.cse22 (+ 84 c_ssl3_accept_~s.offset))) (let ((.cse20 (select (select .cse23 c_ssl3_accept_~s.base) .cse22)) (.cse25 (store |c_#memory_$Pointer$.base| .cse26 (store (select |c_#memory_$Pointer$.base| .cse26) .cse27 v_ArrVal_20140)))) (let ((.cse18 (select (select .cse25 c_ssl3_accept_~s.base) .cse22)) (.cse24 (+ .cse20 844))) (let ((.cse16 (select (store .cse25 .cse18 (store (select .cse25 .cse18) .cse24 v_ArrVal_20156)) c_ssl3_accept_~s.base))) (let ((.cse21 (select (store .cse23 .cse18 (store (select .cse23 .cse18) .cse24 v_ArrVal_20157)) c_ssl3_accept_~s.base)) (.cse19 (select .cse16 .cse22))) (let ((.cse14 (= .cse19 c_ssl3_accept_~s.base)) (.cse15 (select .cse21 .cse22))) (or (and .cse14 (= (+ 752 .cse15) c_ssl3_accept_~s.offset)) (not (= (select .cse16 .cse17) c_ssl3_accept_~s.base)) (and (= .cse18 .cse19) (= .cse20 .cse15)) (and .cse14 (= (+ .cse15 780) c_ssl3_accept_~s.offset)) (not (= (+ (select .cse21 .cse17) 80) c_ssl3_accept_~s.offset)))))))))))) (= (select .cse13 (+ 64 c_ssl3_accept_~s.offset)) 0) (let ((.cse29 (+ 84 c_ssl3_accept_~s.offset))) (let ((.cse28 (select (select |c_#memory_$Pointer$.offset| c_ssl3_accept_~s.base) .cse29))) (or (<= (+ 793 .cse28) c_ssl3_accept_~s.offset) (<= c_ssl3_accept_~s.offset (+ 791 .cse28)) (not (= (select (select |c_#memory_$Pointer$.base| c_ssl3_accept_~s.base) .cse29) c_ssl3_accept_~s.base)) .cse7)))))) is different from false [2022-04-06 08:55:44,584 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse15 (select |c_#memory_int| c_ssl3_accept_~s.base)) (.cse30 (+ 84 c_ssl3_accept_~s.offset))) (let ((.cse8 (select (select |c_#memory_$Pointer$.offset| c_ssl3_accept_~s.base) .cse30)) (.cse7 (select (select |c_#memory_$Pointer$.base| c_ssl3_accept_~s.base) .cse30)) (.cse9 (= (select .cse15 (+ 92 c_ssl3_accept_~s.offset)) 0))) (and (or (forall ((v_ArrVal_20186 Int) (v_ArrVal_20174 Int) (v_ArrVal_20189 Int) (v_ArrVal_20195 (Array Int Int)) (v_ArrVal_20181 Int) (v_arrayElimCell_108 Int) (v_ArrVal_20190 Int)) (let ((.cse2 (+ 52 c_ssl3_accept_~s.offset)) (.cse3 (+ 64 c_ssl3_accept_~s.offset))) (let ((.cse1 (let ((.cse6 (+ 176 c_ssl3_accept_~s.offset))) (let ((.cse4 (store |c_#memory_int| c_ssl3_accept_~s.base (store (store (select |c_#memory_int| c_ssl3_accept_~s.base) .cse2 v_ArrVal_20174) .cse3 v_ArrVal_20181))) (.cse5 (select (select |c_#memory_$Pointer$.base| c_ssl3_accept_~s.base) .cse6))) (store .cse4 .cse5 (store (select .cse4 .cse5) (+ (select (select |c_#memory_$Pointer$.offset| c_ssl3_accept_~s.base) .cse6) 172) v_ArrVal_20186)))))) (let ((.cse0 (select .cse1 c_ssl3_accept_~s.base))) (or (= (select .cse0 (+ 92 c_ssl3_accept_~s.offset)) 0) (not (= (select (select (store (store .cse1 c_ssl3_accept_~s.base (store (store (store .cse0 .cse2 v_ArrVal_20190) .cse3 v_ArrVal_20189) .cse2 8448)) v_arrayElimCell_108 v_ArrVal_20195) c_ssl3_accept_~s.base) .cse2) 8640))))))) (not (= (select (select |c_#memory_int| .cse7) (+ 844 .cse8)) 8640)) (not .cse9)) (forall ((v_ArrVal_20186 Int) (v_ArrVal_20189 Int) (v_ArrVal_20195 (Array Int Int)) (v_arrayElimCell_108 Int) (v_ArrVal_20190 Int)) (let ((.cse10 (let ((.cse14 (+ 176 c_ssl3_accept_~s.offset))) (let ((.cse13 (select (select |c_#memory_$Pointer$.base| c_ssl3_accept_~s.base) .cse14))) (store |c_#memory_int| .cse13 (store (select |c_#memory_int| .cse13) (+ (select (select |c_#memory_$Pointer$.offset| c_ssl3_accept_~s.base) .cse14) 172) v_ArrVal_20186)))))) (let ((.cse11 (select .cse10 c_ssl3_accept_~s.base))) (or (not (= 8640 (let ((.cse12 (+ 52 c_ssl3_accept_~s.offset))) (select (select (store (store .cse10 c_ssl3_accept_~s.base (store (store (store .cse11 .cse12 v_ArrVal_20190) (+ 64 c_ssl3_accept_~s.offset) v_ArrVal_20189) .cse12 8448)) v_arrayElimCell_108 v_ArrVal_20195) c_ssl3_accept_~s.base) .cse12)))) (= (select .cse11 (+ 92 c_ssl3_accept_~s.offset)) 0))))) (not (= 8640 (select .cse15 (+ 52 c_ssl3_accept_~s.offset)))) (forall ((v_ArrVal_20142 Int) (v_ArrVal_20140 Int) (v_ArrVal_20157 Int) (v_ArrVal_20156 Int)) (let ((.cse19 (+ 176 c_ssl3_accept_~s.offset))) (let ((.cse28 (select (select |c_#memory_$Pointer$.base| c_ssl3_accept_~s.base) .cse19)) (.cse29 (+ (select (select |c_#memory_$Pointer$.offset| c_ssl3_accept_~s.base) .cse19) 172))) (let ((.cse25 (store |c_#memory_$Pointer$.offset| .cse28 (store (select |c_#memory_$Pointer$.offset| .cse28) .cse29 v_ArrVal_20142))) (.cse24 (+ 84 c_ssl3_accept_~s.offset))) (let ((.cse22 (select (select .cse25 c_ssl3_accept_~s.base) .cse24)) (.cse27 (store |c_#memory_$Pointer$.base| .cse28 (store (select |c_#memory_$Pointer$.base| .cse28) .cse29 v_ArrVal_20140)))) (let ((.cse20 (select (select .cse27 c_ssl3_accept_~s.base) .cse24)) (.cse26 (+ .cse22 844))) (let ((.cse18 (select (store .cse27 .cse20 (store (select .cse27 .cse20) .cse26 v_ArrVal_20156)) c_ssl3_accept_~s.base))) (let ((.cse23 (select (store .cse25 .cse20 (store (select .cse25 .cse20) .cse26 v_ArrVal_20157)) c_ssl3_accept_~s.base)) (.cse21 (select .cse18 .cse24))) (let ((.cse16 (= .cse21 c_ssl3_accept_~s.base)) (.cse17 (select .cse23 .cse24))) (or (and .cse16 (= (+ 752 .cse17) c_ssl3_accept_~s.offset)) (not (= (select .cse18 .cse19) c_ssl3_accept_~s.base)) (and (= .cse20 .cse21) (= .cse22 .cse17)) (and .cse16 (= (+ .cse17 780) c_ssl3_accept_~s.offset)) (not (= (+ (select .cse23 .cse19) 80) c_ssl3_accept_~s.offset)))))))))))) (= (select .cse15 (+ 64 c_ssl3_accept_~s.offset)) 0) (or (<= (+ 793 .cse8) c_ssl3_accept_~s.offset) (<= c_ssl3_accept_~s.offset (+ 791 .cse8)) (not (= .cse7 c_ssl3_accept_~s.base)) .cse9)))) is different from false [2022-04-06 08:55:50,663 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse31 (+ 84 c_ssl3_accept_~s.offset)) (.cse30 (select |c_#memory_int| c_ssl3_accept_~s.base))) (let ((.cse15 (select .cse30 (+ 52 c_ssl3_accept_~s.offset))) (.cse8 (select (select |c_#memory_$Pointer$.offset| c_ssl3_accept_~s.base) .cse31)) (.cse7 (select (select |c_#memory_$Pointer$.base| c_ssl3_accept_~s.base) .cse31)) (.cse9 (= (select .cse30 (+ 92 c_ssl3_accept_~s.offset)) 0))) (and (or (forall ((v_ArrVal_20186 Int) (v_ArrVal_20174 Int) (v_ArrVal_20189 Int) (v_ArrVal_20195 (Array Int Int)) (v_ArrVal_20181 Int) (v_arrayElimCell_108 Int) (v_ArrVal_20190 Int)) (let ((.cse2 (+ 52 c_ssl3_accept_~s.offset)) (.cse3 (+ 64 c_ssl3_accept_~s.offset))) (let ((.cse1 (let ((.cse6 (+ 176 c_ssl3_accept_~s.offset))) (let ((.cse4 (store |c_#memory_int| c_ssl3_accept_~s.base (store (store (select |c_#memory_int| c_ssl3_accept_~s.base) .cse2 v_ArrVal_20174) .cse3 v_ArrVal_20181))) (.cse5 (select (select |c_#memory_$Pointer$.base| c_ssl3_accept_~s.base) .cse6))) (store .cse4 .cse5 (store (select .cse4 .cse5) (+ (select (select |c_#memory_$Pointer$.offset| c_ssl3_accept_~s.base) .cse6) 172) v_ArrVal_20186)))))) (let ((.cse0 (select .cse1 c_ssl3_accept_~s.base))) (or (= (select .cse0 (+ 92 c_ssl3_accept_~s.offset)) 0) (not (= (select (select (store (store .cse1 c_ssl3_accept_~s.base (store (store (store .cse0 .cse2 v_ArrVal_20190) .cse3 v_ArrVal_20189) .cse2 8448)) v_arrayElimCell_108 v_ArrVal_20195) c_ssl3_accept_~s.base) .cse2) 8640))))))) (not (= (select (select |c_#memory_int| .cse7) (+ 844 .cse8)) 8640)) (not .cse9)) (forall ((v_ArrVal_20186 Int) (v_ArrVal_20189 Int) (v_ArrVal_20195 (Array Int Int)) (v_arrayElimCell_108 Int) (v_ArrVal_20190 Int)) (let ((.cse10 (let ((.cse14 (+ 176 c_ssl3_accept_~s.offset))) (let ((.cse13 (select (select |c_#memory_$Pointer$.base| c_ssl3_accept_~s.base) .cse14))) (store |c_#memory_int| .cse13 (store (select |c_#memory_int| .cse13) (+ (select (select |c_#memory_$Pointer$.offset| c_ssl3_accept_~s.base) .cse14) 172) v_ArrVal_20186)))))) (let ((.cse11 (select .cse10 c_ssl3_accept_~s.base))) (or (not (= 8640 (let ((.cse12 (+ 52 c_ssl3_accept_~s.offset))) (select (select (store (store .cse10 c_ssl3_accept_~s.base (store (store (store .cse11 .cse12 v_ArrVal_20190) (+ 64 c_ssl3_accept_~s.offset) v_ArrVal_20189) .cse12 8448)) v_arrayElimCell_108 v_ArrVal_20195) c_ssl3_accept_~s.base) .cse12)))) (= (select .cse11 (+ 92 c_ssl3_accept_~s.offset)) 0))))) (not (= 8640 .cse15)) (forall ((v_ArrVal_20142 Int) (v_ArrVal_20140 Int) (v_ArrVal_20157 Int) (v_ArrVal_20156 Int)) (let ((.cse19 (+ 176 c_ssl3_accept_~s.offset))) (let ((.cse28 (select (select |c_#memory_$Pointer$.base| c_ssl3_accept_~s.base) .cse19)) (.cse29 (+ (select (select |c_#memory_$Pointer$.offset| c_ssl3_accept_~s.base) .cse19) 172))) (let ((.cse25 (store |c_#memory_$Pointer$.offset| .cse28 (store (select |c_#memory_$Pointer$.offset| .cse28) .cse29 v_ArrVal_20142))) (.cse24 (+ 84 c_ssl3_accept_~s.offset))) (let ((.cse22 (select (select .cse25 c_ssl3_accept_~s.base) .cse24)) (.cse27 (store |c_#memory_$Pointer$.base| .cse28 (store (select |c_#memory_$Pointer$.base| .cse28) .cse29 v_ArrVal_20140)))) (let ((.cse20 (select (select .cse27 c_ssl3_accept_~s.base) .cse24)) (.cse26 (+ .cse22 844))) (let ((.cse18 (select (store .cse27 .cse20 (store (select .cse27 .cse20) .cse26 v_ArrVal_20156)) c_ssl3_accept_~s.base))) (let ((.cse23 (select (store .cse25 .cse20 (store (select .cse25 .cse20) .cse26 v_ArrVal_20157)) c_ssl3_accept_~s.base)) (.cse21 (select .cse18 .cse24))) (let ((.cse16 (= .cse21 c_ssl3_accept_~s.base)) (.cse17 (select .cse23 .cse24))) (or (and .cse16 (= (+ 752 .cse17) c_ssl3_accept_~s.offset)) (not (= (select .cse18 .cse19) c_ssl3_accept_~s.base)) (and (= .cse20 .cse21) (= .cse22 .cse17)) (and .cse16 (= (+ .cse17 780) c_ssl3_accept_~s.offset)) (not (= (+ (select .cse23 .cse19) 80) c_ssl3_accept_~s.offset)))))))))))) (= |c_ssl3_accept_#t~mem58| .cse15) (= (select .cse30 (+ 64 c_ssl3_accept_~s.offset)) 0) (or (<= (+ 793 .cse8) c_ssl3_accept_~s.offset) (<= c_ssl3_accept_~s.offset (+ 791 .cse8)) (not (= .cse7 c_ssl3_accept_~s.base)) .cse9)))) is different from false [2022-04-06 08:55:50,933 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse15 (select |c_#memory_int| c_ssl3_accept_~s.base)) (.cse30 (+ 84 c_ssl3_accept_~s.offset))) (let ((.cse8 (select (select |c_#memory_$Pointer$.offset| c_ssl3_accept_~s.base) .cse30)) (.cse7 (select (select |c_#memory_$Pointer$.base| c_ssl3_accept_~s.base) .cse30)) (.cse9 (= (select .cse15 (+ 92 c_ssl3_accept_~s.offset)) 0))) (and (or (forall ((v_ArrVal_20186 Int) (v_ArrVal_20174 Int) (v_ArrVal_20189 Int) (v_ArrVal_20195 (Array Int Int)) (v_ArrVal_20181 Int) (v_arrayElimCell_108 Int) (v_ArrVal_20190 Int)) (let ((.cse2 (+ 52 c_ssl3_accept_~s.offset)) (.cse3 (+ 64 c_ssl3_accept_~s.offset))) (let ((.cse1 (let ((.cse6 (+ 176 c_ssl3_accept_~s.offset))) (let ((.cse4 (store |c_#memory_int| c_ssl3_accept_~s.base (store (store (select |c_#memory_int| c_ssl3_accept_~s.base) .cse2 v_ArrVal_20174) .cse3 v_ArrVal_20181))) (.cse5 (select (select |c_#memory_$Pointer$.base| c_ssl3_accept_~s.base) .cse6))) (store .cse4 .cse5 (store (select .cse4 .cse5) (+ (select (select |c_#memory_$Pointer$.offset| c_ssl3_accept_~s.base) .cse6) 172) v_ArrVal_20186)))))) (let ((.cse0 (select .cse1 c_ssl3_accept_~s.base))) (or (= (select .cse0 (+ 92 c_ssl3_accept_~s.offset)) 0) (not (= (select (select (store (store .cse1 c_ssl3_accept_~s.base (store (store (store .cse0 .cse2 v_ArrVal_20190) .cse3 v_ArrVal_20189) .cse2 8448)) v_arrayElimCell_108 v_ArrVal_20195) c_ssl3_accept_~s.base) .cse2) 8640))))))) (not (= (select (select |c_#memory_int| .cse7) (+ 844 .cse8)) 8640)) (not .cse9)) (forall ((v_ArrVal_20186 Int) (v_ArrVal_20189 Int) (v_ArrVal_20195 (Array Int Int)) (v_arrayElimCell_108 Int) (v_ArrVal_20190 Int)) (let ((.cse10 (let ((.cse14 (+ 176 c_ssl3_accept_~s.offset))) (let ((.cse13 (select (select |c_#memory_$Pointer$.base| c_ssl3_accept_~s.base) .cse14))) (store |c_#memory_int| .cse13 (store (select |c_#memory_int| .cse13) (+ (select (select |c_#memory_$Pointer$.offset| c_ssl3_accept_~s.base) .cse14) 172) v_ArrVal_20186)))))) (let ((.cse11 (select .cse10 c_ssl3_accept_~s.base))) (or (not (= 8640 (let ((.cse12 (+ 52 c_ssl3_accept_~s.offset))) (select (select (store (store .cse10 c_ssl3_accept_~s.base (store (store (store .cse11 .cse12 v_ArrVal_20190) (+ 64 c_ssl3_accept_~s.offset) v_ArrVal_20189) .cse12 8448)) v_arrayElimCell_108 v_ArrVal_20195) c_ssl3_accept_~s.base) .cse12)))) (= (select .cse11 (+ 92 c_ssl3_accept_~s.offset)) 0))))) (not (= 8640 (select .cse15 (+ 52 c_ssl3_accept_~s.offset)))) (forall ((v_ArrVal_20142 Int) (v_ArrVal_20140 Int) (v_ArrVal_20157 Int) (v_ArrVal_20156 Int)) (let ((.cse19 (+ 176 c_ssl3_accept_~s.offset))) (let ((.cse28 (select (select |c_#memory_$Pointer$.base| c_ssl3_accept_~s.base) .cse19)) (.cse29 (+ (select (select |c_#memory_$Pointer$.offset| c_ssl3_accept_~s.base) .cse19) 172))) (let ((.cse25 (store |c_#memory_$Pointer$.offset| .cse28 (store (select |c_#memory_$Pointer$.offset| .cse28) .cse29 v_ArrVal_20142))) (.cse24 (+ 84 c_ssl3_accept_~s.offset))) (let ((.cse22 (select (select .cse25 c_ssl3_accept_~s.base) .cse24)) (.cse27 (store |c_#memory_$Pointer$.base| .cse28 (store (select |c_#memory_$Pointer$.base| .cse28) .cse29 v_ArrVal_20140)))) (let ((.cse20 (select (select .cse27 c_ssl3_accept_~s.base) .cse24)) (.cse26 (+ .cse22 844))) (let ((.cse18 (select (store .cse27 .cse20 (store (select .cse27 .cse20) .cse26 v_ArrVal_20156)) c_ssl3_accept_~s.base))) (let ((.cse23 (select (store .cse25 .cse20 (store (select .cse25 .cse20) .cse26 v_ArrVal_20157)) c_ssl3_accept_~s.base)) (.cse21 (select .cse18 .cse24))) (let ((.cse16 (= .cse21 c_ssl3_accept_~s.base)) (.cse17 (select .cse23 .cse24))) (or (and .cse16 (= (+ 752 .cse17) c_ssl3_accept_~s.offset)) (not (= (select .cse18 .cse19) c_ssl3_accept_~s.base)) (and (= .cse20 .cse21) (= .cse22 .cse17)) (and .cse16 (= (+ .cse17 780) c_ssl3_accept_~s.offset)) (not (= (+ (select .cse23 .cse19) 80) c_ssl3_accept_~s.offset)))))))))))) (or (<= (+ 793 .cse8) c_ssl3_accept_~s.offset) (<= c_ssl3_accept_~s.offset (+ 791 .cse8)) (not (= .cse7 c_ssl3_accept_~s.base)) .cse9)))) is different from false [2022-04-06 08:55:55,874 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse5 (select |c_#memory_int| c_ssl3_accept_~s.base))) (and (forall ((v_ArrVal_20186 Int) (v_ArrVal_20189 Int) (v_ArrVal_20195 (Array Int Int)) (v_arrayElimCell_108 Int) (v_ArrVal_20190 Int)) (let ((.cse0 (let ((.cse4 (+ 176 c_ssl3_accept_~s.offset))) (let ((.cse3 (select (select |c_#memory_$Pointer$.base| c_ssl3_accept_~s.base) .cse4))) (store |c_#memory_int| .cse3 (store (select |c_#memory_int| .cse3) (+ (select (select |c_#memory_$Pointer$.offset| c_ssl3_accept_~s.base) .cse4) 172) v_ArrVal_20186)))))) (let ((.cse1 (select .cse0 c_ssl3_accept_~s.base))) (or (not (= 8640 (let ((.cse2 (+ 52 c_ssl3_accept_~s.offset))) (select (select (store (store .cse0 c_ssl3_accept_~s.base (store (store (store .cse1 .cse2 v_ArrVal_20190) (+ 64 c_ssl3_accept_~s.offset) v_ArrVal_20189) .cse2 8448)) v_arrayElimCell_108 v_ArrVal_20195) c_ssl3_accept_~s.base) .cse2)))) (= (select .cse1 (+ 92 c_ssl3_accept_~s.offset)) 0))))) (not (= 8640 (select .cse5 (+ 52 c_ssl3_accept_~s.offset)))) (forall ((v_ArrVal_20142 Int) (v_ArrVal_20140 Int) (v_ArrVal_20157 Int) (v_ArrVal_20156 Int)) (let ((.cse9 (+ 176 c_ssl3_accept_~s.offset))) (let ((.cse18 (select (select |c_#memory_$Pointer$.base| c_ssl3_accept_~s.base) .cse9)) (.cse19 (+ (select (select |c_#memory_$Pointer$.offset| c_ssl3_accept_~s.base) .cse9) 172))) (let ((.cse15 (store |c_#memory_$Pointer$.offset| .cse18 (store (select |c_#memory_$Pointer$.offset| .cse18) .cse19 v_ArrVal_20142))) (.cse14 (+ 84 c_ssl3_accept_~s.offset))) (let ((.cse12 (select (select .cse15 c_ssl3_accept_~s.base) .cse14)) (.cse17 (store |c_#memory_$Pointer$.base| .cse18 (store (select |c_#memory_$Pointer$.base| .cse18) .cse19 v_ArrVal_20140)))) (let ((.cse10 (select (select .cse17 c_ssl3_accept_~s.base) .cse14)) (.cse16 (+ .cse12 844))) (let ((.cse8 (select (store .cse17 .cse10 (store (select .cse17 .cse10) .cse16 v_ArrVal_20156)) c_ssl3_accept_~s.base))) (let ((.cse13 (select (store .cse15 .cse10 (store (select .cse15 .cse10) .cse16 v_ArrVal_20157)) c_ssl3_accept_~s.base)) (.cse11 (select .cse8 .cse14))) (let ((.cse6 (= .cse11 c_ssl3_accept_~s.base)) (.cse7 (select .cse13 .cse14))) (or (and .cse6 (= (+ 752 .cse7) c_ssl3_accept_~s.offset)) (not (= (select .cse8 .cse9) c_ssl3_accept_~s.base)) (and (= .cse10 .cse11) (= .cse12 .cse7)) (and .cse6 (= (+ .cse7 780) c_ssl3_accept_~s.offset)) (not (= (+ (select .cse13 .cse9) 80) c_ssl3_accept_~s.offset)))))))))))) (let ((.cse21 (+ 84 c_ssl3_accept_~s.offset))) (let ((.cse20 (select (select |c_#memory_$Pointer$.offset| c_ssl3_accept_~s.base) .cse21))) (or (<= (+ 793 .cse20) c_ssl3_accept_~s.offset) (<= c_ssl3_accept_~s.offset (+ 791 .cse20)) (not (= (select (select |c_#memory_$Pointer$.base| c_ssl3_accept_~s.base) .cse21) c_ssl3_accept_~s.base)) (= (select .cse5 (+ 92 c_ssl3_accept_~s.offset)) 0)))))) is different from false [2022-04-06 08:55:59,340 WARN L833 $PredicateComparison]: unable to prove that (and (not (= |c_ssl3_accept_#t~mem75| 8640)) (forall ((v_ArrVal_20186 Int) (v_ArrVal_20189 Int) (v_ArrVal_20195 (Array Int Int)) (v_arrayElimCell_108 Int) (v_ArrVal_20190 Int)) (let ((.cse0 (let ((.cse4 (+ 176 c_ssl3_accept_~s.offset))) (let ((.cse3 (select (select |c_#memory_$Pointer$.base| c_ssl3_accept_~s.base) .cse4))) (store |c_#memory_int| .cse3 (store (select |c_#memory_int| .cse3) (+ (select (select |c_#memory_$Pointer$.offset| c_ssl3_accept_~s.base) .cse4) 172) v_ArrVal_20186)))))) (let ((.cse1 (select .cse0 c_ssl3_accept_~s.base))) (or (not (= 8640 (let ((.cse2 (+ 52 c_ssl3_accept_~s.offset))) (select (select (store (store .cse0 c_ssl3_accept_~s.base (store (store (store .cse1 .cse2 v_ArrVal_20190) (+ 64 c_ssl3_accept_~s.offset) v_ArrVal_20189) .cse2 8448)) v_arrayElimCell_108 v_ArrVal_20195) c_ssl3_accept_~s.base) .cse2)))) (= (select .cse1 (+ 92 c_ssl3_accept_~s.offset)) 0))))) (forall ((v_ArrVal_20142 Int) (v_ArrVal_20140 Int) (v_ArrVal_20157 Int) (v_ArrVal_20156 Int)) (let ((.cse8 (+ 176 c_ssl3_accept_~s.offset))) (let ((.cse17 (select (select |c_#memory_$Pointer$.base| c_ssl3_accept_~s.base) .cse8)) (.cse18 (+ (select (select |c_#memory_$Pointer$.offset| c_ssl3_accept_~s.base) .cse8) 172))) (let ((.cse14 (store |c_#memory_$Pointer$.offset| .cse17 (store (select |c_#memory_$Pointer$.offset| .cse17) .cse18 v_ArrVal_20142))) (.cse13 (+ 84 c_ssl3_accept_~s.offset))) (let ((.cse11 (select (select .cse14 c_ssl3_accept_~s.base) .cse13)) (.cse16 (store |c_#memory_$Pointer$.base| .cse17 (store (select |c_#memory_$Pointer$.base| .cse17) .cse18 v_ArrVal_20140)))) (let ((.cse9 (select (select .cse16 c_ssl3_accept_~s.base) .cse13)) (.cse15 (+ .cse11 844))) (let ((.cse7 (select (store .cse16 .cse9 (store (select .cse16 .cse9) .cse15 v_ArrVal_20156)) c_ssl3_accept_~s.base))) (let ((.cse12 (select (store .cse14 .cse9 (store (select .cse14 .cse9) .cse15 v_ArrVal_20157)) c_ssl3_accept_~s.base)) (.cse10 (select .cse7 .cse13))) (let ((.cse5 (= .cse10 c_ssl3_accept_~s.base)) (.cse6 (select .cse12 .cse13))) (or (and .cse5 (= (+ 752 .cse6) c_ssl3_accept_~s.offset)) (not (= (select .cse7 .cse8) c_ssl3_accept_~s.base)) (and (= .cse9 .cse10) (= .cse11 .cse6)) (and .cse5 (= (+ .cse6 780) c_ssl3_accept_~s.offset)) (not (= (+ (select .cse12 .cse8) 80) c_ssl3_accept_~s.offset)))))))))))) (let ((.cse20 (+ 84 c_ssl3_accept_~s.offset))) (let ((.cse19 (select (select |c_#memory_$Pointer$.offset| c_ssl3_accept_~s.base) .cse20))) (or (<= (+ 793 .cse19) c_ssl3_accept_~s.offset) (<= c_ssl3_accept_~s.offset (+ 791 .cse19)) (not (= (select (select |c_#memory_$Pointer$.base| c_ssl3_accept_~s.base) .cse20) c_ssl3_accept_~s.base)) (= (select (select |c_#memory_int| c_ssl3_accept_~s.base) (+ 92 c_ssl3_accept_~s.offset)) 0))))) is different from false [2022-04-06 08:55:59,496 WARN L833 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_20186 Int) (v_ArrVal_20189 Int) (v_ArrVal_20195 (Array Int Int)) (v_arrayElimCell_108 Int) (v_ArrVal_20190 Int)) (let ((.cse0 (let ((.cse4 (+ 176 c_ssl3_accept_~s.offset))) (let ((.cse3 (select (select |c_#memory_$Pointer$.base| c_ssl3_accept_~s.base) .cse4))) (store |c_#memory_int| .cse3 (store (select |c_#memory_int| .cse3) (+ (select (select |c_#memory_$Pointer$.offset| c_ssl3_accept_~s.base) .cse4) 172) v_ArrVal_20186)))))) (let ((.cse1 (select .cse0 c_ssl3_accept_~s.base))) (or (not (= 8640 (let ((.cse2 (+ 52 c_ssl3_accept_~s.offset))) (select (select (store (store .cse0 c_ssl3_accept_~s.base (store (store (store .cse1 .cse2 v_ArrVal_20190) (+ 64 c_ssl3_accept_~s.offset) v_ArrVal_20189) .cse2 8448)) v_arrayElimCell_108 v_ArrVal_20195) c_ssl3_accept_~s.base) .cse2)))) (= (select .cse1 (+ 92 c_ssl3_accept_~s.offset)) 0))))) (forall ((v_ArrVal_20142 Int) (v_ArrVal_20140 Int) (v_ArrVal_20157 Int) (v_ArrVal_20156 Int)) (let ((.cse8 (+ 176 c_ssl3_accept_~s.offset))) (let ((.cse17 (select (select |c_#memory_$Pointer$.base| c_ssl3_accept_~s.base) .cse8)) (.cse18 (+ (select (select |c_#memory_$Pointer$.offset| c_ssl3_accept_~s.base) .cse8) 172))) (let ((.cse14 (store |c_#memory_$Pointer$.offset| .cse17 (store (select |c_#memory_$Pointer$.offset| .cse17) .cse18 v_ArrVal_20142))) (.cse13 (+ 84 c_ssl3_accept_~s.offset))) (let ((.cse11 (select (select .cse14 c_ssl3_accept_~s.base) .cse13)) (.cse16 (store |c_#memory_$Pointer$.base| .cse17 (store (select |c_#memory_$Pointer$.base| .cse17) .cse18 v_ArrVal_20140)))) (let ((.cse9 (select (select .cse16 c_ssl3_accept_~s.base) .cse13)) (.cse15 (+ .cse11 844))) (let ((.cse7 (select (store .cse16 .cse9 (store (select .cse16 .cse9) .cse15 v_ArrVal_20156)) c_ssl3_accept_~s.base))) (let ((.cse12 (select (store .cse14 .cse9 (store (select .cse14 .cse9) .cse15 v_ArrVal_20157)) c_ssl3_accept_~s.base)) (.cse10 (select .cse7 .cse13))) (let ((.cse5 (= .cse10 c_ssl3_accept_~s.base)) (.cse6 (select .cse12 .cse13))) (or (and .cse5 (= (+ 752 .cse6) c_ssl3_accept_~s.offset)) (not (= (select .cse7 .cse8) c_ssl3_accept_~s.base)) (and (= .cse9 .cse10) (= .cse11 .cse6)) (and .cse5 (= (+ .cse6 780) c_ssl3_accept_~s.offset)) (not (= (+ (select .cse12 .cse8) 80) c_ssl3_accept_~s.offset)))))))))))) (let ((.cse20 (+ 84 c_ssl3_accept_~s.offset))) (let ((.cse19 (select (select |c_#memory_$Pointer$.offset| c_ssl3_accept_~s.base) .cse20))) (or (<= (+ 793 .cse19) c_ssl3_accept_~s.offset) (<= c_ssl3_accept_~s.offset (+ 791 .cse19)) (not (= (select (select |c_#memory_$Pointer$.base| c_ssl3_accept_~s.base) .cse20) c_ssl3_accept_~s.base)) (= (select (select |c_#memory_int| c_ssl3_accept_~s.base) (+ 92 c_ssl3_accept_~s.offset)) 0))))) is different from false [2022-04-06 08:56:00,571 WARN L833 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_20186 Int) (v_ArrVal_20189 Int) (v_ArrVal_20195 (Array Int Int)) (v_arrayElimCell_108 Int) (v_ArrVal_20190 Int)) (let ((.cse0 (let ((.cse4 (+ 176 c_ssl3_accept_~s.offset))) (let ((.cse3 (select (select |c_#memory_$Pointer$.base| c_ssl3_accept_~s.base) .cse4))) (store |c_#memory_int| .cse3 (store (select |c_#memory_int| .cse3) (+ (select (select |c_#memory_$Pointer$.offset| c_ssl3_accept_~s.base) .cse4) 172) v_ArrVal_20186)))))) (let ((.cse1 (select .cse0 c_ssl3_accept_~s.base))) (or (not (= 8640 (let ((.cse2 (+ 52 c_ssl3_accept_~s.offset))) (select (select (store (store .cse0 c_ssl3_accept_~s.base (store (store (store .cse1 .cse2 v_ArrVal_20190) (+ 64 c_ssl3_accept_~s.offset) v_ArrVal_20189) .cse2 8448)) v_arrayElimCell_108 v_ArrVal_20195) c_ssl3_accept_~s.base) .cse2)))) (= (select .cse1 (+ 92 c_ssl3_accept_~s.offset)) 0))))) (forall ((v_ArrVal_20142 Int) (v_ArrVal_20140 Int) (v_ArrVal_20157 Int) (v_ArrVal_20156 Int)) (let ((.cse8 (+ 176 c_ssl3_accept_~s.offset))) (let ((.cse17 (select (select |c_#memory_$Pointer$.base| c_ssl3_accept_~s.base) .cse8)) (.cse18 (+ (select (select |c_#memory_$Pointer$.offset| c_ssl3_accept_~s.base) .cse8) 172))) (let ((.cse14 (store |c_#memory_$Pointer$.offset| .cse17 (store (select |c_#memory_$Pointer$.offset| .cse17) .cse18 v_ArrVal_20142))) (.cse13 (+ 84 c_ssl3_accept_~s.offset))) (let ((.cse11 (select (select .cse14 c_ssl3_accept_~s.base) .cse13)) (.cse16 (store |c_#memory_$Pointer$.base| .cse17 (store (select |c_#memory_$Pointer$.base| .cse17) .cse18 v_ArrVal_20140)))) (let ((.cse9 (select (select .cse16 c_ssl3_accept_~s.base) .cse13)) (.cse15 (+ .cse11 844))) (let ((.cse7 (select (store .cse16 .cse9 (store (select .cse16 .cse9) .cse15 v_ArrVal_20156)) c_ssl3_accept_~s.base))) (let ((.cse12 (select (store .cse14 .cse9 (store (select .cse14 .cse9) .cse15 v_ArrVal_20157)) c_ssl3_accept_~s.base)) (.cse10 (select .cse7 .cse13))) (let ((.cse5 (= .cse10 c_ssl3_accept_~s.base)) (.cse6 (select .cse12 .cse13))) (or (and .cse5 (= (+ 752 .cse6) c_ssl3_accept_~s.offset)) (not (= (select .cse7 .cse8) c_ssl3_accept_~s.base)) (and (= .cse9 .cse10) (= .cse11 .cse6)) (and .cse5 (= (+ .cse6 780) c_ssl3_accept_~s.offset)) (not (= (+ (select .cse12 .cse8) 80) c_ssl3_accept_~s.offset))))))))))))) is different from false