/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCTransformed.xml -s ../../../trunk/examples/settings/loopacceleration/qvasr/qvasr_64.epf -i ../../../trunk/examples/svcomp/openssl/s3_clnt.blast.02.i.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-5d317bd [2022-03-19 01:46:52,670 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-19 01:46:52,675 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-19 01:46:52,715 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-19 01:46:52,716 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-19 01:46:52,717 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-19 01:46:52,719 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-19 01:46:52,721 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-19 01:46:52,722 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-19 01:46:52,725 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-19 01:46:52,726 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-19 01:46:52,727 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-19 01:46:52,727 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-19 01:46:52,728 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-19 01:46:52,729 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-19 01:46:52,731 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-19 01:46:52,731 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-19 01:46:52,732 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-19 01:46:52,733 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-19 01:46:52,737 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-19 01:46:52,738 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-03-19 01:46:52,739 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-19 01:46:52,740 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-19 01:46:52,740 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-19 01:46:52,741 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-19 01:46:52,746 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-19 01:46:52,746 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-19 01:46:52,746 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-19 01:46:52,747 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-19 01:46:52,747 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-19 01:46:52,748 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2022-03-19 01:46:52,751 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-19 01:46:52,752 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-19 01:46:52,753 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-19 01:46:52,754 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/loopacceleration/qvasr/qvasr_64.epf [2022-03-19 01:46:52,774 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-19 01:46:52,775 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-19 01:46:52,776 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-19 01:46:52,776 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-19 01:46:52,777 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-19 01:46:52,777 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-19 01:46:52,777 INFO L138 SettingsManager]: * Use SBE=true [2022-03-19 01:46:52,778 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-19 01:46:52,778 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-19 01:46:52,778 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-19 01:46:52,778 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-19 01:46:52,778 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-19 01:46:52,778 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-19 01:46:52,779 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-19 01:46:52,779 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-19 01:46:52,779 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-19 01:46:52,779 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-19 01:46:52,779 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-19 01:46:52,779 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-19 01:46:52,779 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-19 01:46:52,779 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-19 01:46:52,779 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-19 01:46:52,780 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-19 01:46:52,780 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-19 01:46:52,780 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-19 01:46:52,780 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-19 01:46:52,780 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-03-19 01:46:52,780 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-03-19 01:46:52,781 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-03-19 01:46:52,781 INFO L138 SettingsManager]: * TransformationType=LOOP_ACCELERATION_QVASR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-03-19 01:46:52,974 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-19 01:46:52,993 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-19 01:46:52,995 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-19 01:46:52,996 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-19 01:46:52,996 INFO L275 PluginConnector]: CDTParser initialized [2022-03-19 01:46:52,997 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/openssl/s3_clnt.blast.02.i.cil-2.c [2022-03-19 01:46:53,044 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/040943a0d/73375b316c3a40ba93e35399056370a7/FLAGcff7c68a4 [2022-03-19 01:46:53,489 INFO L306 CDTParser]: Found 1 translation units. [2022-03-19 01:46:53,490 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/openssl/s3_clnt.blast.02.i.cil-2.c [2022-03-19 01:46:53,539 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/040943a0d/73375b316c3a40ba93e35399056370a7/FLAGcff7c68a4 [2022-03-19 01:46:54,047 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/040943a0d/73375b316c3a40ba93e35399056370a7 [2022-03-19 01:46:54,050 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-19 01:46:54,051 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-19 01:46:54,063 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-19 01:46:54,063 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-19 01:46:54,066 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-19 01:46:54,067 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.03 01:46:54" (1/1) ... [2022-03-19 01:46:54,067 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bffd526 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 01:46:54, skipping insertion in model container [2022-03-19 01:46:54,068 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.03 01:46:54" (1/1) ... [2022-03-19 01:46:54,073 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-19 01:46:54,107 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-19 01:46:54,439 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/openssl/s3_clnt.blast.02.i.cil-2.c[65398,65411] [2022-03-19 01:46:54,451 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-19 01:46:54,462 INFO L203 MainTranslator]: Completed pre-run [2022-03-19 01:46:54,533 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/openssl/s3_clnt.blast.02.i.cil-2.c[65398,65411] [2022-03-19 01:46:54,535 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-19 01:46:54,548 INFO L208 MainTranslator]: Completed translation [2022-03-19 01:46:54,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 01:46:54 WrapperNode [2022-03-19 01:46:54,549 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-19 01:46:54,550 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-19 01:46:54,550 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-19 01:46:54,551 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-19 01:46:54,560 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 01:46:54" (1/1) ... [2022-03-19 01:46:54,560 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 01:46:54" (1/1) ... [2022-03-19 01:46:54,578 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 01:46:54" (1/1) ... [2022-03-19 01:46:54,578 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 01:46:54" (1/1) ... [2022-03-19 01:46:54,614 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 01:46:54" (1/1) ... [2022-03-19 01:46:54,620 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 01:46:54" (1/1) ... [2022-03-19 01:46:54,623 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 01:46:54" (1/1) ... [2022-03-19 01:46:54,627 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-19 01:46:54,628 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-19 01:46:54,628 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-19 01:46:54,628 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-19 01:46:54,640 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 01:46:54" (1/1) ... [2022-03-19 01:46:54,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-19 01:46:54,653 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-19 01:46:54,673 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-19 01:46:54,685 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-19 01:46:54,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-03-19 01:46:54,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-19 01:46:54,713 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-03-19 01:46:54,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_get_client_method [2022-03-19 01:46:54,714 INFO L138 BoogieDeclarations]: Found implementation of procedure SSLv3_client_method [2022-03-19 01:46:54,714 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-03-19 01:46:54,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_connect [2022-03-19 01:46:54,715 INFO L138 BoogieDeclarations]: Found implementation of procedure sslv3_base_method [2022-03-19 01:46:54,716 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-03-19 01:46:54,717 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-03-19 01:46:54,717 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-03-19 01:46:54,717 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-03-19 01:46:54,717 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-03-19 01:46:54,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-19 01:46:54,717 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2022-03-19 01:46:54,717 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2022-03-19 01:46:54,717 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-03-19 01:46:54,717 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2022-03-19 01:46:54,717 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2022-03-19 01:46:54,718 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2022-03-19 01:46:54,718 INFO L130 BoogieDeclarations]: Found specification of procedure SSLv3_client_method [2022-03-19 01:46:54,718 INFO L130 BoogieDeclarations]: Found specification of procedure sslv3_base_method [2022-03-19 01:46:54,718 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_connect [2022-03-19 01:46:54,718 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_get_client_method [2022-03-19 01:46:54,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-03-19 01:46:54,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-03-19 01:46:54,718 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-03-19 01:46:54,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-03-19 01:46:54,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-19 01:46:54,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-03-19 01:46:54,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-19 01:46:54,719 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2022-03-19 01:46:54,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-03-19 01:46:54,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-03-19 01:46:54,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-19 01:46:54,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-19 01:46:54,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-03-19 01:46:54,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-03-19 01:46:54,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-03-19 01:46:54,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-03-19 01:46:54,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-19 01:46:54,865 INFO L234 CfgBuilder]: Building ICFG [2022-03-19 01:46:54,866 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-19 01:46:56,372 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-03-19 01:46:56,690 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2022-03-19 01:46:56,690 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2022-03-19 01:46:56,714 INFO L275 CfgBuilder]: Performing block encoding [2022-03-19 01:46:56,719 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-19 01:46:56,720 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-03-19 01:46:56,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.03 01:46:56 BoogieIcfgContainer [2022-03-19 01:46:56,721 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-19 01:46:56,722 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-03-19 01:46:56,722 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-03-19 01:46:56,723 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-03-19 01:46:56,725 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.03 01:46:56" (1/1) ... [2022-03-19 01:46:56,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 19.03 01:46:56 BasicIcfg [2022-03-19 01:46:56,789 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-03-19 01:46:56,791 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-19 01:46:56,792 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-19 01:46:56,794 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-19 01:46:56,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.03 01:46:54" (1/4) ... [2022-03-19 01:46:56,795 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39d969a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.03 01:46:56, skipping insertion in model container [2022-03-19 01:46:56,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 01:46:54" (2/4) ... [2022-03-19 01:46:56,795 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39d969a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.03 01:46:56, skipping insertion in model container [2022-03-19 01:46:56,796 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.03 01:46:56" (3/4) ... [2022-03-19 01:46:56,796 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39d969a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.03 01:46:56, skipping insertion in model container [2022-03-19 01:46:56,797 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 19.03 01:46:56" (4/4) ... [2022-03-19 01:46:56,798 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_clnt.blast.02.i.cil-2.cqvasr [2022-03-19 01:46:56,801 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-19 01:46:56,801 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-19 01:46:56,844 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-19 01:46:56,849 INFO L340 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP [2022-03-19 01:46:56,849 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-03-19 01:46:56,872 INFO L276 IsEmpty]: Start isEmpty. Operand has 138 states, 130 states have (on average 1.6923076923076923) internal successors, (220), 131 states have internal predecessors, (220), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-03-19 01:46:56,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-03-19 01:46:56,877 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 01:46:56,878 INFO L500 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-19 01:46:56,878 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 01:46:56,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 01:46:56,882 INFO L85 PathProgramCache]: Analyzing trace with hash -1711753218, now seen corresponding path program 1 times [2022-03-19 01:46:56,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 01:46:56,888 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766782106] [2022-03-19 01:46:56,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 01:46:56,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 01:46:57,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:46:57,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 01:46:57,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:46:57,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-19 01:46:57,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 01:46:57,364 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766782106] [2022-03-19 01:46:57,365 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766782106] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 01:46:57,365 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 01:46:57,365 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-19 01:46:57,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152216761] [2022-03-19 01:46:57,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 01:46:57,370 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-19 01:46:57,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-19 01:46:57,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-19 01:46:57,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-19 01:46:57,399 INFO L87 Difference]: Start difference. First operand has 138 states, 130 states have (on average 1.6923076923076923) internal successors, (220), 131 states have internal predecessors, (220), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:46:59,439 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-19 01:46:59,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 01:46:59,833 INFO L93 Difference]: Finished difference Result 267 states and 442 transitions. [2022-03-19 01:46:59,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-19 01:46:59,842 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2022-03-19 01:46:59,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 01:46:59,848 INFO L225 Difference]: With dead ends: 267 [2022-03-19 01:46:59,848 INFO L226 Difference]: Without dead ends: 122 [2022-03-19 01:46:59,850 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-19 01:46:59,852 INFO L912 BasicCegarLoop]: 213 mSDtfsCounter, 7 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 320 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 555 SdHoareTripleChecker+Invalid, 324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 320 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-19 01:46:59,853 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 555 Invalid, 324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 320 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-19 01:46:59,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2022-03-19 01:46:59,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 121. [2022-03-19 01:46:59,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 116 states have (on average 1.5) internal successors, (174), 116 states have internal predecessors, (174), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:46:59,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 178 transitions. [2022-03-19 01:46:59,892 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 178 transitions. Word has length 30 [2022-03-19 01:46:59,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 01:46:59,892 INFO L478 AbstractCegarLoop]: Abstraction has 121 states and 178 transitions. [2022-03-19 01:46:59,893 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:46:59,893 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 178 transitions. [2022-03-19 01:46:59,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-03-19 01:46:59,895 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 01:46:59,895 INFO L500 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] [2022-03-19 01:46:59,895 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-19 01:46:59,896 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 01:46:59,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 01:46:59,899 INFO L85 PathProgramCache]: Analyzing trace with hash 1339052155, now seen corresponding path program 1 times [2022-03-19 01:46:59,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 01:46:59,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498022045] [2022-03-19 01:46:59,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 01:46:59,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 01:47:00,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:47:00,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 01:47:00,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:47:00,159 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-19 01:47:00,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 01:47:00,160 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498022045] [2022-03-19 01:47:00,160 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [498022045] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 01:47:00,160 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 01:47:00,160 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-19 01:47:00,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318074789] [2022-03-19 01:47:00,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 01:47:00,161 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-19 01:47:00,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-19 01:47:00,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-19 01:47:00,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-19 01:47:00,162 INFO L87 Difference]: Start difference. First operand 121 states and 178 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:47:02,189 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-19 01:47:02,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 01:47:02,464 INFO L93 Difference]: Finished difference Result 326 states and 488 transitions. [2022-03-19 01:47:02,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-19 01:47:02,464 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 44 [2022-03-19 01:47:02,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 01:47:02,466 INFO L225 Difference]: With dead ends: 326 [2022-03-19 01:47:02,466 INFO L226 Difference]: Without dead ends: 221 [2022-03-19 01:47:02,467 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-19 01:47:02,467 INFO L912 BasicCegarLoop]: 167 mSDtfsCounter, 123 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-03-19 01:47:02,468 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [123 Valid, 320 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 189 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-03-19 01:47:02,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2022-03-19 01:47:02,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 221. [2022-03-19 01:47:02,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 216 states have (on average 1.4861111111111112) internal successors, (321), 216 states have internal predecessors, (321), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:47:02,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 325 transitions. [2022-03-19 01:47:02,479 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 325 transitions. Word has length 44 [2022-03-19 01:47:02,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 01:47:02,479 INFO L478 AbstractCegarLoop]: Abstraction has 221 states and 325 transitions. [2022-03-19 01:47:02,479 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:47:02,479 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 325 transitions. [2022-03-19 01:47:02,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-03-19 01:47:02,481 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 01:47:02,481 INFO L500 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-19 01:47:02,481 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-19 01:47:02,481 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 01:47:02,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 01:47:02,481 INFO L85 PathProgramCache]: Analyzing trace with hash 1096281917, now seen corresponding path program 1 times [2022-03-19 01:47:02,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 01:47:02,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314220] [2022-03-19 01:47:02,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 01:47:02,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 01:47:02,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:47:02,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 01:47:02,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:47:02,708 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-19 01:47:02,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 01:47:02,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314220] [2022-03-19 01:47:02,708 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [314220] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 01:47:02,708 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 01:47:02,709 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-19 01:47:02,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977284903] [2022-03-19 01:47:02,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 01:47:02,709 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-19 01:47:02,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-19 01:47:02,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-19 01:47:02,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-19 01:47:02,710 INFO L87 Difference]: Start difference. First operand 221 states and 325 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:47:04,719 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-19 01:47:05,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 01:47:05,053 INFO L93 Difference]: Finished difference Result 362 states and 538 transitions. [2022-03-19 01:47:05,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-19 01:47:05,053 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 59 [2022-03-19 01:47:05,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 01:47:05,055 INFO L225 Difference]: With dead ends: 362 [2022-03-19 01:47:05,055 INFO L226 Difference]: Without dead ends: 257 [2022-03-19 01:47:05,057 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-19 01:47:05,058 INFO L912 BasicCegarLoop]: 198 mSDtfsCounter, 33 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 359 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 359 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-03-19 01:47:05,061 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [33 Valid, 484 Invalid, 368 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 359 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-03-19 01:47:05,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2022-03-19 01:47:05,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 239. [2022-03-19 01:47:05,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239 states, 234 states have (on average 1.5) internal successors, (351), 234 states have internal predecessors, (351), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:47:05,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 355 transitions. [2022-03-19 01:47:05,075 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 355 transitions. Word has length 59 [2022-03-19 01:47:05,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 01:47:05,075 INFO L478 AbstractCegarLoop]: Abstraction has 239 states and 355 transitions. [2022-03-19 01:47:05,075 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:47:05,076 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 355 transitions. [2022-03-19 01:47:05,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-03-19 01:47:05,077 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 01:47:05,078 INFO L500 BasicCegarLoop]: trace histogram [4, 4, 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] [2022-03-19 01:47:05,078 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-19 01:47:05,078 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 01:47:05,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 01:47:05,079 INFO L85 PathProgramCache]: Analyzing trace with hash 1707240826, now seen corresponding path program 2 times [2022-03-19 01:47:05,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 01:47:05,079 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936246048] [2022-03-19 01:47:05,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 01:47:05,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 01:47:05,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:47:05,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 01:47:05,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:47:05,290 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-19 01:47:05,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 01:47:05,292 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936246048] [2022-03-19 01:47:05,293 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936246048] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 01:47:05,293 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 01:47:05,293 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-19 01:47:05,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354561287] [2022-03-19 01:47:05,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 01:47:05,293 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-19 01:47:05,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-19 01:47:05,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-19 01:47:05,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-19 01:47:05,294 INFO L87 Difference]: Start difference. First operand 239 states and 355 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:47:07,303 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-19 01:47:07,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 01:47:07,682 INFO L93 Difference]: Finished difference Result 642 states and 963 transitions. [2022-03-19 01:47:07,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-19 01:47:07,682 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (3), 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 73 [2022-03-19 01:47:07,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 01:47:07,684 INFO L225 Difference]: With dead ends: 642 [2022-03-19 01:47:07,684 INFO L226 Difference]: Without dead ends: 419 [2022-03-19 01:47:07,685 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-19 01:47:07,686 INFO L912 BasicCegarLoop]: 104 mSDtfsCounter, 112 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 43 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-19 01:47:07,686 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [112 Valid, 296 Invalid, 423 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 379 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-19 01:47:07,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2022-03-19 01:47:07,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 261. [2022-03-19 01:47:07,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 256 states have (on average 1.4921875) internal successors, (382), 256 states have internal predecessors, (382), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:47:07,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 386 transitions. [2022-03-19 01:47:07,712 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 386 transitions. Word has length 73 [2022-03-19 01:47:07,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 01:47:07,712 INFO L478 AbstractCegarLoop]: Abstraction has 261 states and 386 transitions. [2022-03-19 01:47:07,712 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:47:07,712 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 386 transitions. [2022-03-19 01:47:07,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-03-19 01:47:07,714 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 01:47:07,714 INFO L500 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-19 01:47:07,714 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-19 01:47:07,714 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 01:47:07,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 01:47:07,714 INFO L85 PathProgramCache]: Analyzing trace with hash 2069356890, now seen corresponding path program 1 times [2022-03-19 01:47:07,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 01:47:07,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254064785] [2022-03-19 01:47:07,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 01:47:07,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 01:47:07,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:47:07,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 01:47:07,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:47:07,864 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-19 01:47:07,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 01:47:07,865 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254064785] [2022-03-19 01:47:07,865 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254064785] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 01:47:07,865 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 01:47:07,865 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-19 01:47:07,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028401717] [2022-03-19 01:47:07,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 01:47:07,866 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-19 01:47:07,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-19 01:47:07,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-19 01:47:07,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-19 01:47:07,867 INFO L87 Difference]: Start difference. First operand 261 states and 386 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:47:09,876 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-19 01:47:10,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 01:47:10,272 INFO L93 Difference]: Finished difference Result 665 states and 992 transitions. [2022-03-19 01:47:10,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-19 01:47:10,272 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (3), 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 73 [2022-03-19 01:47:10,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 01:47:10,274 INFO L225 Difference]: With dead ends: 665 [2022-03-19 01:47:10,274 INFO L226 Difference]: Without dead ends: 420 [2022-03-19 01:47:10,274 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-19 01:47:10,275 INFO L912 BasicCegarLoop]: 97 mSDtfsCounter, 119 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 382 mSolverCounterSat, 46 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 382 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-19 01:47:10,275 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [119 Valid, 278 Invalid, 429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 382 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-19 01:47:10,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2022-03-19 01:47:10,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 263. [2022-03-19 01:47:10,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 263 states, 258 states have (on average 1.4844961240310077) internal successors, (383), 258 states have internal predecessors, (383), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:47:10,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 387 transitions. [2022-03-19 01:47:10,282 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 387 transitions. Word has length 73 [2022-03-19 01:47:10,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 01:47:10,283 INFO L478 AbstractCegarLoop]: Abstraction has 263 states and 387 transitions. [2022-03-19 01:47:10,283 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:47:10,283 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 387 transitions. [2022-03-19 01:47:10,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-03-19 01:47:10,284 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 01:47:10,284 INFO L500 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-19 01:47:10,284 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-19 01:47:10,284 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 01:47:10,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 01:47:10,284 INFO L85 PathProgramCache]: Analyzing trace with hash -841732619, now seen corresponding path program 1 times [2022-03-19 01:47:10,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 01:47:10,285 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777902226] [2022-03-19 01:47:10,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 01:47:10,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 01:47:10,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:47:10,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 01:47:10,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:47:10,452 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-19 01:47:10,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 01:47:10,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777902226] [2022-03-19 01:47:10,453 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1777902226] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 01:47:10,453 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 01:47:10,453 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-19 01:47:10,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450416948] [2022-03-19 01:47:10,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 01:47:10,453 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-19 01:47:10,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-19 01:47:10,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-19 01:47:10,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-19 01:47:10,454 INFO L87 Difference]: Start difference. First operand 263 states and 387 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:47:12,464 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-19 01:47:12,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 01:47:12,855 INFO L93 Difference]: Finished difference Result 667 states and 990 transitions. [2022-03-19 01:47:12,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-19 01:47:12,855 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 74 [2022-03-19 01:47:12,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 01:47:12,858 INFO L225 Difference]: With dead ends: 667 [2022-03-19 01:47:12,859 INFO L226 Difference]: Without dead ends: 420 [2022-03-19 01:47:12,860 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-19 01:47:12,860 INFO L912 BasicCegarLoop]: 108 mSDtfsCounter, 117 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 394 mSolverCounterSat, 43 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 394 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-19 01:47:12,861 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [117 Valid, 300 Invalid, 438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 394 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-19 01:47:12,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2022-03-19 01:47:12,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 265. [2022-03-19 01:47:12,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 265 states, 260 states have (on average 1.476923076923077) internal successors, (384), 260 states have internal predecessors, (384), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:47:12,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 388 transitions. [2022-03-19 01:47:12,873 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 388 transitions. Word has length 74 [2022-03-19 01:47:12,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 01:47:12,873 INFO L478 AbstractCegarLoop]: Abstraction has 265 states and 388 transitions. [2022-03-19 01:47:12,873 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:47:12,874 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 388 transitions. [2022-03-19 01:47:12,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-03-19 01:47:12,875 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 01:47:12,876 INFO L500 BasicCegarLoop]: trace histogram [4, 4, 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] [2022-03-19 01:47:12,876 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-03-19 01:47:12,876 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 01:47:12,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 01:47:12,876 INFO L85 PathProgramCache]: Analyzing trace with hash -845929674, now seen corresponding path program 1 times [2022-03-19 01:47:12,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 01:47:12,876 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096569372] [2022-03-19 01:47:12,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 01:47:12,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 01:47:12,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:47:13,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 01:47:13,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:47:13,046 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-19 01:47:13,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 01:47:13,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096569372] [2022-03-19 01:47:13,046 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1096569372] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 01:47:13,047 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 01:47:13,047 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-19 01:47:13,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081003203] [2022-03-19 01:47:13,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 01:47:13,047 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-19 01:47:13,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-19 01:47:13,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-19 01:47:13,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-19 01:47:13,048 INFO L87 Difference]: Start difference. First operand 265 states and 388 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:47:15,063 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-19 01:47:15,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 01:47:15,467 INFO L93 Difference]: Finished difference Result 669 states and 988 transitions. [2022-03-19 01:47:15,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-19 01:47:15,468 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 75 [2022-03-19 01:47:15,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 01:47:15,471 INFO L225 Difference]: With dead ends: 669 [2022-03-19 01:47:15,471 INFO L226 Difference]: Without dead ends: 420 [2022-03-19 01:47:15,474 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-19 01:47:15,475 INFO L912 BasicCegarLoop]: 97 mSDtfsCounter, 115 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 382 mSolverCounterSat, 46 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 382 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-19 01:47:15,480 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [115 Valid, 278 Invalid, 429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 382 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-19 01:47:15,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2022-03-19 01:47:15,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 267. [2022-03-19 01:47:15,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267 states, 262 states have (on average 1.4694656488549618) internal successors, (385), 262 states have internal predecessors, (385), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:47:15,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 389 transitions. [2022-03-19 01:47:15,491 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 389 transitions. Word has length 75 [2022-03-19 01:47:15,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 01:47:15,492 INFO L478 AbstractCegarLoop]: Abstraction has 267 states and 389 transitions. [2022-03-19 01:47:15,492 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:47:15,492 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 389 transitions. [2022-03-19 01:47:15,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-03-19 01:47:15,492 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 01:47:15,492 INFO L500 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-19 01:47:15,493 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-03-19 01:47:15,493 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 01:47:15,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 01:47:15,493 INFO L85 PathProgramCache]: Analyzing trace with hash -942089998, now seen corresponding path program 1 times [2022-03-19 01:47:15,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 01:47:15,493 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128562352] [2022-03-19 01:47:15,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 01:47:15,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 01:47:15,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:47:15,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 01:47:15,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:47:15,637 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-19 01:47:15,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 01:47:15,637 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128562352] [2022-03-19 01:47:15,637 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128562352] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 01:47:15,637 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 01:47:15,637 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-19 01:47:15,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659194430] [2022-03-19 01:47:15,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 01:47:15,638 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-19 01:47:15,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-19 01:47:15,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-19 01:47:15,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-19 01:47:15,638 INFO L87 Difference]: Start difference. First operand 267 states and 389 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:47:18,107 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-19 01:47:20,128 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-19 01:47:22,162 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-19 01:47:22,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 01:47:22,564 INFO L93 Difference]: Finished difference Result 671 states and 986 transitions. [2022-03-19 01:47:22,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-19 01:47:22,565 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 76 [2022-03-19 01:47:22,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 01:47:22,566 INFO L225 Difference]: With dead ends: 671 [2022-03-19 01:47:22,567 INFO L226 Difference]: Without dead ends: 420 [2022-03-19 01:47:22,567 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-19 01:47:22,568 INFO L912 BasicCegarLoop]: 97 mSDtfsCounter, 113 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 383 mSolverCounterSat, 46 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 383 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2022-03-19 01:47:22,568 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [113 Valid, 278 Invalid, 432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 383 Invalid, 3 Unknown, 0 Unchecked, 6.9s Time] [2022-03-19 01:47:22,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2022-03-19 01:47:22,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 269. [2022-03-19 01:47:22,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269 states, 264 states have (on average 1.4621212121212122) internal successors, (386), 264 states have internal predecessors, (386), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:47:22,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 390 transitions. [2022-03-19 01:47:22,577 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 390 transitions. Word has length 76 [2022-03-19 01:47:22,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 01:47:22,577 INFO L478 AbstractCegarLoop]: Abstraction has 269 states and 390 transitions. [2022-03-19 01:47:22,577 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:47:22,577 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 390 transitions. [2022-03-19 01:47:22,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-03-19 01:47:22,578 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 01:47:22,578 INFO L500 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-19 01:47:22,578 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-03-19 01:47:22,578 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 01:47:22,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 01:47:22,579 INFO L85 PathProgramCache]: Analyzing trace with hash 1179030540, now seen corresponding path program 1 times [2022-03-19 01:47:22,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 01:47:22,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079800568] [2022-03-19 01:47:22,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 01:47:22,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 01:47:22,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:47:22,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 01:47:22,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:47:22,734 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-03-19 01:47:22,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 01:47:22,734 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079800568] [2022-03-19 01:47:22,735 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079800568] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 01:47:22,735 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 01:47:22,735 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-19 01:47:22,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497121514] [2022-03-19 01:47:22,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 01:47:22,735 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-19 01:47:22,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-19 01:47:22,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-19 01:47:22,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-19 01:47:22,736 INFO L87 Difference]: Start difference. First operand 269 states and 390 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 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) [2022-03-19 01:47:24,769 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-19 01:47:25,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 01:47:25,144 INFO L93 Difference]: Finished difference Result 542 states and 794 transitions. [2022-03-19 01:47:25,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-19 01:47:25,146 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 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 77 [2022-03-19 01:47:25,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 01:47:25,147 INFO L225 Difference]: With dead ends: 542 [2022-03-19 01:47:25,147 INFO L226 Difference]: Without dead ends: 404 [2022-03-19 01:47:25,148 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-19 01:47:25,148 INFO L912 BasicCegarLoop]: 315 mSDtfsCounter, 126 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 339 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 477 SdHoareTripleChecker+Invalid, 347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 339 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-19 01:47:25,148 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [126 Valid, 477 Invalid, 347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 339 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-19 01:47:25,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2022-03-19 01:47:25,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 404. [2022-03-19 01:47:25,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 404 states, 399 states have (on average 1.456140350877193) internal successors, (581), 399 states have internal predecessors, (581), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:47:25,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 585 transitions. [2022-03-19 01:47:25,158 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 585 transitions. Word has length 77 [2022-03-19 01:47:25,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 01:47:25,159 INFO L478 AbstractCegarLoop]: Abstraction has 404 states and 585 transitions. [2022-03-19 01:47:25,159 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 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) [2022-03-19 01:47:25,159 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 585 transitions. [2022-03-19 01:47:25,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-03-19 01:47:25,160 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 01:47:25,160 INFO L500 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-19 01:47:25,160 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-03-19 01:47:25,160 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 01:47:25,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 01:47:25,160 INFO L85 PathProgramCache]: Analyzing trace with hash 1210050347, now seen corresponding path program 1 times [2022-03-19 01:47:25,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 01:47:25,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368456407] [2022-03-19 01:47:25,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 01:47:25,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 01:47:25,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:47:25,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 01:47:25,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:47:25,289 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-19 01:47:25,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 01:47:25,289 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368456407] [2022-03-19 01:47:25,290 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1368456407] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 01:47:25,290 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 01:47:25,292 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-19 01:47:25,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920577504] [2022-03-19 01:47:25,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 01:47:25,293 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-19 01:47:25,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-19 01:47:25,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-19 01:47:25,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-19 01:47:25,294 INFO L87 Difference]: Start difference. First operand 404 states and 585 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:47:27,302 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-19 01:47:27,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 01:47:27,605 INFO L93 Difference]: Finished difference Result 702 states and 1019 transitions. [2022-03-19 01:47:27,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-19 01:47:27,606 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 77 [2022-03-19 01:47:27,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 01:47:27,608 INFO L225 Difference]: With dead ends: 702 [2022-03-19 01:47:27,608 INFO L226 Difference]: Without dead ends: 429 [2022-03-19 01:47:27,609 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-19 01:47:27,610 INFO L912 BasicCegarLoop]: 196 mSDtfsCounter, 16 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-03-19 01:47:27,610 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 358 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 214 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-03-19 01:47:27,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2022-03-19 01:47:27,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 429. [2022-03-19 01:47:27,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 429 states, 424 states have (on average 1.4481132075471699) internal successors, (614), 424 states have internal predecessors, (614), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:47:27,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 618 transitions. [2022-03-19 01:47:27,627 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 618 transitions. Word has length 77 [2022-03-19 01:47:27,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 01:47:27,628 INFO L478 AbstractCegarLoop]: Abstraction has 429 states and 618 transitions. [2022-03-19 01:47:27,628 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:47:27,628 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 618 transitions. [2022-03-19 01:47:27,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-03-19 01:47:27,629 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 01:47:27,629 INFO L500 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-19 01:47:27,630 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-03-19 01:47:27,630 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 01:47:27,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 01:47:27,630 INFO L85 PathProgramCache]: Analyzing trace with hash 464067919, now seen corresponding path program 1 times [2022-03-19 01:47:27,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 01:47:27,630 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156099480] [2022-03-19 01:47:27,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 01:47:27,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 01:47:27,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:47:27,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 01:47:27,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:47:27,794 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-03-19 01:47:27,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 01:47:27,794 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156099480] [2022-03-19 01:47:27,795 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156099480] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 01:47:27,795 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 01:47:27,795 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-19 01:47:27,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388097304] [2022-03-19 01:47:27,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 01:47:27,795 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-19 01:47:27,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-19 01:47:27,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-19 01:47:27,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-19 01:47:27,796 INFO L87 Difference]: Start difference. First operand 429 states and 618 transitions. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 3 states have internal predecessors, (69), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:47:29,806 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-19 01:47:30,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 01:47:30,208 INFO L93 Difference]: Finished difference Result 861 states and 1249 transitions. [2022-03-19 01:47:30,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-19 01:47:30,209 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 3 states have internal predecessors, (69), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 97 [2022-03-19 01:47:30,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 01:47:30,211 INFO L225 Difference]: With dead ends: 861 [2022-03-19 01:47:30,211 INFO L226 Difference]: Without dead ends: 563 [2022-03-19 01:47:30,212 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-19 01:47:30,212 INFO L912 BasicCegarLoop]: 314 mSDtfsCounter, 126 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 338 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 476 SdHoareTripleChecker+Invalid, 346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 338 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-19 01:47:30,212 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [126 Valid, 476 Invalid, 346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 338 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-19 01:47:30,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2022-03-19 01:47:30,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 563. [2022-03-19 01:47:30,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 563 states, 558 states have (on average 1.4480286738351253) internal successors, (808), 558 states have internal predecessors, (808), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:47:30,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 563 states and 812 transitions. [2022-03-19 01:47:30,223 INFO L78 Accepts]: Start accepts. Automaton has 563 states and 812 transitions. Word has length 97 [2022-03-19 01:47:30,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 01:47:30,223 INFO L478 AbstractCegarLoop]: Abstraction has 563 states and 812 transitions. [2022-03-19 01:47:30,223 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 3 states have internal predecessors, (69), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:47:30,223 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 812 transitions. [2022-03-19 01:47:30,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-03-19 01:47:30,226 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 01:47:30,226 INFO L500 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-19 01:47:30,226 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-03-19 01:47:30,227 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 01:47:30,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 01:47:30,227 INFO L85 PathProgramCache]: Analyzing trace with hash -1668406687, now seen corresponding path program 1 times [2022-03-19 01:47:30,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 01:47:30,227 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660599269] [2022-03-19 01:47:30,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 01:47:30,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 01:47:30,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:47:30,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 01:47:30,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:47:30,363 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2022-03-19 01:47:30,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 01:47:30,363 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660599269] [2022-03-19 01:47:30,364 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660599269] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 01:47:30,364 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 01:47:30,364 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-19 01:47:30,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310945335] [2022-03-19 01:47:30,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 01:47:30,364 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-19 01:47:30,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-19 01:47:30,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-19 01:47:30,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-19 01:47:30,365 INFO L87 Difference]: Start difference. First operand 563 states and 812 transitions. Second operand has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:47:32,383 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-19 01:47:32,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 01:47:32,826 INFO L93 Difference]: Finished difference Result 1111 states and 1611 transitions. [2022-03-19 01:47:32,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-19 01:47:32,826 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 118 [2022-03-19 01:47:32,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 01:47:32,829 INFO L225 Difference]: With dead ends: 1111 [2022-03-19 01:47:32,829 INFO L226 Difference]: Without dead ends: 679 [2022-03-19 01:47:32,829 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-19 01:47:32,830 INFO L912 BasicCegarLoop]: 313 mSDtfsCounter, 125 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 337 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 475 SdHoareTripleChecker+Invalid, 345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 337 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-19 01:47:32,830 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [125 Valid, 475 Invalid, 345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 337 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-19 01:47:32,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 679 states. [2022-03-19 01:47:32,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 679 to 679. [2022-03-19 01:47:32,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 679 states, 674 states have (on average 1.4480712166172107) internal successors, (976), 674 states have internal predecessors, (976), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:47:32,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 679 states and 980 transitions. [2022-03-19 01:47:32,842 INFO L78 Accepts]: Start accepts. Automaton has 679 states and 980 transitions. Word has length 118 [2022-03-19 01:47:32,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 01:47:32,842 INFO L478 AbstractCegarLoop]: Abstraction has 679 states and 980 transitions. [2022-03-19 01:47:32,842 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:47:32,842 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 980 transitions. [2022-03-19 01:47:32,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2022-03-19 01:47:32,843 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 01:47:32,844 INFO L500 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-19 01:47:32,844 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-03-19 01:47:32,844 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 01:47:32,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 01:47:32,844 INFO L85 PathProgramCache]: Analyzing trace with hash -65774092, now seen corresponding path program 1 times [2022-03-19 01:47:32,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 01:47:32,844 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270160756] [2022-03-19 01:47:32,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 01:47:32,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 01:47:32,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:47:32,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 01:47:32,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:47:33,000 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 196 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-03-19 01:47:33,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 01:47:33,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270160756] [2022-03-19 01:47:33,001 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [270160756] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 01:47:33,001 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 01:47:33,001 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-19 01:47:33,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156888210] [2022-03-19 01:47:33,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 01:47:33,002 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-19 01:47:33,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-19 01:47:33,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-19 01:47:33,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-19 01:47:33,002 INFO L87 Difference]: Start difference. First operand 679 states and 980 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) [2022-03-19 01:47:35,011 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-19 01:47:35,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 01:47:35,449 INFO L93 Difference]: Finished difference Result 1796 states and 2594 transitions. [2022-03-19 01:47:35,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-19 01:47:35,450 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 152 [2022-03-19 01:47:35,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 01:47:35,453 INFO L225 Difference]: With dead ends: 1796 [2022-03-19 01:47:35,453 INFO L226 Difference]: Without dead ends: 1133 [2022-03-19 01:47:35,454 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-19 01:47:35,455 INFO L912 BasicCegarLoop]: 98 mSDtfsCounter, 108 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 385 mSolverCounterSat, 43 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 385 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-19 01:47:35,455 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [108 Valid, 280 Invalid, 429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 385 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-19 01:47:35,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1133 states. [2022-03-19 01:47:35,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1133 to 784. [2022-03-19 01:47:35,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 784 states, 779 states have (on average 1.4454428754813864) internal successors, (1126), 779 states have internal predecessors, (1126), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:47:35,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 784 states and 1130 transitions. [2022-03-19 01:47:35,471 INFO L78 Accepts]: Start accepts. Automaton has 784 states and 1130 transitions. Word has length 152 [2022-03-19 01:47:35,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 01:47:35,472 INFO L478 AbstractCegarLoop]: Abstraction has 784 states and 1130 transitions. [2022-03-19 01:47:35,472 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) [2022-03-19 01:47:35,472 INFO L276 IsEmpty]: Start isEmpty. Operand 784 states and 1130 transitions. [2022-03-19 01:47:35,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2022-03-19 01:47:35,473 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 01:47:35,473 INFO L500 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-19 01:47:35,473 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-03-19 01:47:35,473 INFO L403 AbstractCegarLoop]: === Iteration 14 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 01:47:35,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 01:47:35,474 INFO L85 PathProgramCache]: Analyzing trace with hash 449746357, now seen corresponding path program 1 times [2022-03-19 01:47:35,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 01:47:35,474 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930596955] [2022-03-19 01:47:35,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 01:47:35,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 01:47:35,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:47:35,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 01:47:35,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:47:35,627 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 190 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-03-19 01:47:35,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 01:47:35,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930596955] [2022-03-19 01:47:35,627 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930596955] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 01:47:35,627 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 01:47:35,627 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-19 01:47:35,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275660291] [2022-03-19 01:47:35,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 01:47:35,627 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-19 01:47:35,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-19 01:47:35,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-19 01:47:35,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-19 01:47:35,628 INFO L87 Difference]: Start difference. First operand 784 states and 1130 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) [2022-03-19 01:47:37,637 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-19 01:47:38,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 01:47:38,083 INFO L93 Difference]: Finished difference Result 1892 states and 2739 transitions. [2022-03-19 01:47:38,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-19 01:47:38,084 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 152 [2022-03-19 01:47:38,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 01:47:38,087 INFO L225 Difference]: With dead ends: 1892 [2022-03-19 01:47:38,087 INFO L226 Difference]: Without dead ends: 1258 [2022-03-19 01:47:38,088 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-19 01:47:38,089 INFO L912 BasicCegarLoop]: 210 mSDtfsCounter, 111 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 500 mSolverCounterSat, 31 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 502 SdHoareTripleChecker+Invalid, 532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 500 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-19 01:47:38,089 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [111 Valid, 502 Invalid, 532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 500 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-19 01:47:38,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1258 states. [2022-03-19 01:47:38,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1258 to 869. [2022-03-19 01:47:38,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 869 states, 864 states have (on average 1.4259259259259258) internal successors, (1232), 864 states have internal predecessors, (1232), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:47:38,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 869 states and 1236 transitions. [2022-03-19 01:47:38,107 INFO L78 Accepts]: Start accepts. Automaton has 869 states and 1236 transitions. Word has length 152 [2022-03-19 01:47:38,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 01:47:38,107 INFO L478 AbstractCegarLoop]: Abstraction has 869 states and 1236 transitions. [2022-03-19 01:47:38,107 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) [2022-03-19 01:47:38,107 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 1236 transitions. [2022-03-19 01:47:38,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-03-19 01:47:38,109 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 01:47:38,109 INFO L500 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 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] [2022-03-19 01:47:38,109 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-03-19 01:47:38,109 INFO L403 AbstractCegarLoop]: === Iteration 15 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 01:47:38,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 01:47:38,110 INFO L85 PathProgramCache]: Analyzing trace with hash 52767334, now seen corresponding path program 1 times [2022-03-19 01:47:38,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 01:47:38,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786597796] [2022-03-19 01:47:38,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 01:47:38,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 01:47:38,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:47:38,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 01:47:38,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:47:38,277 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 195 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-03-19 01:47:38,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 01:47:38,277 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786597796] [2022-03-19 01:47:38,278 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [786597796] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 01:47:38,278 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 01:47:38,278 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-19 01:47:38,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934054297] [2022-03-19 01:47:38,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 01:47:38,278 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-19 01:47:38,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-19 01:47:38,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-19 01:47:38,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-19 01:47:38,279 INFO L87 Difference]: Start difference. First operand 869 states and 1236 transitions. Second operand has 5 states, 5 states have (on average 19.8) internal successors, (99), 4 states have internal predecessors, (99), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:47:40,293 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-19 01:47:40,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 01:47:40,761 INFO L93 Difference]: Finished difference Result 1939 states and 2786 transitions. [2022-03-19 01:47:40,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-19 01:47:40,762 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 4 states have internal predecessors, (99), 1 states have call successors, (3), 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 153 [2022-03-19 01:47:40,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 01:47:40,765 INFO L225 Difference]: With dead ends: 1939 [2022-03-19 01:47:40,765 INFO L226 Difference]: Without dead ends: 1237 [2022-03-19 01:47:40,768 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-19 01:47:40,769 INFO L912 BasicCegarLoop]: 208 mSDtfsCounter, 105 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 492 mSolverCounterSat, 30 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 498 SdHoareTripleChecker+Invalid, 523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 492 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-03-19 01:47:40,769 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [105 Valid, 498 Invalid, 523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 492 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-03-19 01:47:40,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1237 states. [2022-03-19 01:47:40,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1237 to 876. [2022-03-19 01:47:40,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 876 states, 871 states have (on average 1.4179104477611941) internal successors, (1235), 871 states have internal predecessors, (1235), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:47:40,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 876 states and 1239 transitions. [2022-03-19 01:47:40,787 INFO L78 Accepts]: Start accepts. Automaton has 876 states and 1239 transitions. Word has length 153 [2022-03-19 01:47:40,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 01:47:40,787 INFO L478 AbstractCegarLoop]: Abstraction has 876 states and 1239 transitions. [2022-03-19 01:47:40,787 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 4 states have internal predecessors, (99), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:47:40,787 INFO L276 IsEmpty]: Start isEmpty. Operand 876 states and 1239 transitions. [2022-03-19 01:47:40,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2022-03-19 01:47:40,789 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 01:47:40,789 INFO L500 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-19 01:47:40,789 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-03-19 01:47:40,789 INFO L403 AbstractCegarLoop]: === Iteration 16 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 01:47:40,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 01:47:40,789 INFO L85 PathProgramCache]: Analyzing trace with hash -316129618, now seen corresponding path program 1 times [2022-03-19 01:47:40,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 01:47:40,789 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631212329] [2022-03-19 01:47:40,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 01:47:40,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 01:47:40,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:47:40,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 01:47:40,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:47:40,928 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 270 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2022-03-19 01:47:40,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 01:47:40,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631212329] [2022-03-19 01:47:40,929 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [631212329] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 01:47:40,929 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 01:47:40,929 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-19 01:47:40,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557629452] [2022-03-19 01:47:40,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 01:47:40,930 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-19 01:47:40,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-19 01:47:40,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-19 01:47:40,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-19 01:47:40,930 INFO L87 Difference]: Start difference. First operand 876 states and 1239 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) [2022-03-19 01:47:42,939 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-19 01:47:43,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 01:47:43,315 INFO L93 Difference]: Finished difference Result 1895 states and 2672 transitions. [2022-03-19 01:47:43,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-19 01:47:43,316 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 188 [2022-03-19 01:47:43,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 01:47:43,340 INFO L225 Difference]: With dead ends: 1895 [2022-03-19 01:47:43,340 INFO L226 Difference]: Without dead ends: 1035 [2022-03-19 01:47:43,341 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-19 01:47:43,342 INFO L912 BasicCegarLoop]: 202 mSDtfsCounter, 32 mSDsluCounter, 291 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 493 SdHoareTripleChecker+Invalid, 374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 369 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-03-19 01:47:43,342 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [32 Valid, 493 Invalid, 374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 369 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-03-19 01:47:43,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1035 states. [2022-03-19 01:47:43,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1035 to 972. [2022-03-19 01:47:43,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 972 states, 967 states have (on average 1.4177869700103412) internal successors, (1371), 967 states have internal predecessors, (1371), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:47:43,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 972 states to 972 states and 1375 transitions. [2022-03-19 01:47:43,369 INFO L78 Accepts]: Start accepts. Automaton has 972 states and 1375 transitions. Word has length 188 [2022-03-19 01:47:43,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 01:47:43,369 INFO L478 AbstractCegarLoop]: Abstraction has 972 states and 1375 transitions. [2022-03-19 01:47:43,370 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) [2022-03-19 01:47:43,370 INFO L276 IsEmpty]: Start isEmpty. Operand 972 states and 1375 transitions. [2022-03-19 01:47:43,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2022-03-19 01:47:43,371 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 01:47:43,372 INFO L500 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-19 01:47:43,372 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-03-19 01:47:43,372 INFO L403 AbstractCegarLoop]: === Iteration 17 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 01:47:43,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 01:47:43,372 INFO L85 PathProgramCache]: Analyzing trace with hash -55743268, now seen corresponding path program 2 times [2022-03-19 01:47:43,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 01:47:43,372 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872755558] [2022-03-19 01:47:43,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 01:47:43,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 01:47:43,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:47:43,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 01:47:43,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:47:43,560 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 366 proven. 1 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2022-03-19 01:47:43,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 01:47:43,560 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872755558] [2022-03-19 01:47:43,560 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1872755558] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-19 01:47:43,560 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1590787188] [2022-03-19 01:47:43,561 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-19 01:47:43,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-19 01:47:43,561 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-19 01:47:43,569 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-19 01:47:43,573 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-03-19 01:49:02,370 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-19 01:49:02,370 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-19 01:49:02,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 1686 conjuncts, 23 conjunts are in the unsatisfiable core [2022-03-19 01:49:02,444 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-19 01:49:02,555 INFO L356 Elim1Store]: treesize reduction 54, result has 44.3 percent of original size [2022-03-19 01:49:02,556 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 68 treesize of output 143 [2022-03-19 01:49:02,561 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 123 treesize of output 63 [2022-03-19 01:49:02,567 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2022-03-19 01:49:02,583 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2022-03-19 01:49:02,719 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 7 [2022-03-19 01:49:02,721 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 [2022-03-19 01:49:02,865 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-03-19 01:49:02,873 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 7 [2022-03-19 01:49:02,875 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 [2022-03-19 01:49:02,903 INFO L356 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-03-19 01:49:02,903 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 7 [2022-03-19 01:49:03,008 INFO L356 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-03-19 01:49:03,008 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 19 [2022-03-19 01:49:03,039 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-03-19 01:49:03,153 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 328 proven. 40 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2022-03-19 01:49:03,153 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-19 01:49:03,207 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 10 treesize of output 4 [2022-03-19 01:49:03,464 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 334 proven. 9 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2022-03-19 01:49:03,464 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1590787188] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-19 01:49:03,464 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-19 01:49:03,464 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 7] total 14 [2022-03-19 01:49:03,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759554828] [2022-03-19 01:49:03,464 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-19 01:49:03,465 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-03-19 01:49:03,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-19 01:49:03,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-03-19 01:49:03,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2022-03-19 01:49:03,466 INFO L87 Difference]: Start difference. First operand 972 states and 1375 transitions. Second operand has 14 states, 14 states have (on average 13.5) internal successors, (189), 13 states have internal predecessors, (189), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:49:05,479 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-19 01:49:08,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 01:49:08,150 INFO L93 Difference]: Finished difference Result 3961 states and 5655 transitions. [2022-03-19 01:49:08,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-03-19 01:49:08,151 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 13.5) internal successors, (189), 13 states have internal predecessors, (189), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 206 [2022-03-19 01:49:08,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 01:49:08,158 INFO L225 Difference]: With dead ends: 3961 [2022-03-19 01:49:08,159 INFO L226 Difference]: Without dead ends: 3005 [2022-03-19 01:49:08,161 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 452 GetRequests, 417 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 227 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=252, Invalid=1080, Unknown=0, NotChecked=0, Total=1332 [2022-03-19 01:49:08,161 INFO L912 BasicCegarLoop]: 249 mSDtfsCounter, 867 mSDsluCounter, 2092 mSDsCounter, 0 mSdLazyCounter, 2362 mSolverCounterSat, 271 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 867 SdHoareTripleChecker+Valid, 2341 SdHoareTripleChecker+Invalid, 2634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 271 IncrementalHoareTripleChecker+Valid, 2362 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-03-19 01:49:08,161 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [867 Valid, 2341 Invalid, 2634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [271 Valid, 2362 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2022-03-19 01:49:08,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3005 states. [2022-03-19 01:49:08,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3005 to 1701. [2022-03-19 01:49:08,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1701 states, 1696 states have (on average 1.4339622641509433) internal successors, (2432), 1696 states have internal predecessors, (2432), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:49:08,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1701 states to 1701 states and 2436 transitions. [2022-03-19 01:49:08,205 INFO L78 Accepts]: Start accepts. Automaton has 1701 states and 2436 transitions. Word has length 206 [2022-03-19 01:49:08,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 01:49:08,205 INFO L478 AbstractCegarLoop]: Abstraction has 1701 states and 2436 transitions. [2022-03-19 01:49:08,205 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 13.5) internal successors, (189), 13 states have internal predecessors, (189), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:49:08,205 INFO L276 IsEmpty]: Start isEmpty. Operand 1701 states and 2436 transitions. [2022-03-19 01:49:08,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2022-03-19 01:49:08,208 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 01:49:08,208 INFO L500 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 5, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-19 01:49:08,257 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-03-19 01:49:08,423 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,SelfDestructingSolverStorable16 [2022-03-19 01:49:08,423 INFO L403 AbstractCegarLoop]: === Iteration 18 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 01:49:08,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 01:49:08,424 INFO L85 PathProgramCache]: Analyzing trace with hash 85822156, now seen corresponding path program 1 times [2022-03-19 01:49:08,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 01:49:08,424 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031711598] [2022-03-19 01:49:08,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 01:49:08,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 01:49:08,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:49:08,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 01:49:08,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:49:08,589 INFO L134 CoverageAnalysis]: Checked inductivity of 509 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2022-03-19 01:49:08,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 01:49:08,589 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031711598] [2022-03-19 01:49:08,589 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1031711598] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 01:49:08,589 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 01:49:08,590 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-19 01:49:08,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307344775] [2022-03-19 01:49:08,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 01:49:08,590 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-19 01:49:08,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-19 01:49:08,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-19 01:49:08,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-19 01:49:08,591 INFO L87 Difference]: Start difference. First operand 1701 states and 2436 transitions. Second operand has 5 states, 5 states have (on average 24.2) internal successors, (121), 4 states have internal predecessors, (121), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:49:11,414 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-19 01:49:13,438 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-19 01:49:15,456 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-19 01:49:15,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 01:49:15,866 INFO L93 Difference]: Finished difference Result 3942 states and 5650 transitions. [2022-03-19 01:49:15,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-19 01:49:15,866 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.2) internal successors, (121), 4 states have internal predecessors, (121), 1 states have call successors, (3), 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 208 [2022-03-19 01:49:15,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 01:49:15,872 INFO L225 Difference]: With dead ends: 3942 [2022-03-19 01:49:15,872 INFO L226 Difference]: Without dead ends: 2257 [2022-03-19 01:49:15,875 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-19 01:49:15,876 INFO L912 BasicCegarLoop]: 101 mSDtfsCounter, 108 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 387 mSolverCounterSat, 46 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 387 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2022-03-19 01:49:15,876 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [108 Valid, 286 Invalid, 436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 387 Invalid, 3 Unknown, 0 Unchecked, 7.2s Time] [2022-03-19 01:49:15,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2257 states. [2022-03-19 01:49:15,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2257 to 1701. [2022-03-19 01:49:15,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1701 states, 1696 states have (on average 1.4204009433962264) internal successors, (2409), 1696 states have internal predecessors, (2409), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:49:15,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1701 states to 1701 states and 2413 transitions. [2022-03-19 01:49:15,941 INFO L78 Accepts]: Start accepts. Automaton has 1701 states and 2413 transitions. Word has length 208 [2022-03-19 01:49:15,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 01:49:15,941 INFO L478 AbstractCegarLoop]: Abstraction has 1701 states and 2413 transitions. [2022-03-19 01:49:15,941 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.2) internal successors, (121), 4 states have internal predecessors, (121), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:49:15,941 INFO L276 IsEmpty]: Start isEmpty. Operand 1701 states and 2413 transitions. [2022-03-19 01:49:15,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2022-03-19 01:49:15,944 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 01:49:15,944 INFO L500 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-19 01:49:15,944 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-03-19 01:49:15,944 INFO L403 AbstractCegarLoop]: === Iteration 19 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 01:49:15,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 01:49:15,945 INFO L85 PathProgramCache]: Analyzing trace with hash 2059619179, now seen corresponding path program 1 times [2022-03-19 01:49:15,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 01:49:15,945 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931002825] [2022-03-19 01:49:15,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 01:49:15,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 01:49:16,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:49:16,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 01:49:16,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:49:16,117 INFO L134 CoverageAnalysis]: Checked inductivity of 509 backedges. 344 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2022-03-19 01:49:16,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 01:49:16,118 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931002825] [2022-03-19 01:49:16,118 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1931002825] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 01:49:16,118 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 01:49:16,118 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-19 01:49:16,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444690428] [2022-03-19 01:49:16,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 01:49:16,119 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-19 01:49:16,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-19 01:49:16,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-19 01:49:16,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-19 01:49:16,120 INFO L87 Difference]: Start difference. First operand 1701 states and 2413 transitions. Second operand has 5 states, 5 states have (on average 25.0) internal successors, (125), 4 states have internal predecessors, (125), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:49:18,128 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-19 01:49:18,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 01:49:18,433 INFO L93 Difference]: Finished difference Result 3436 states and 4859 transitions. [2022-03-19 01:49:18,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-19 01:49:18,434 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.0) internal successors, (125), 4 states have internal predecessors, (125), 1 states have call successors, (3), 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 208 [2022-03-19 01:49:18,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 01:49:18,440 INFO L225 Difference]: With dead ends: 3436 [2022-03-19 01:49:18,440 INFO L226 Difference]: Without dead ends: 1751 [2022-03-19 01:49:18,443 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-19 01:49:18,444 INFO L912 BasicCegarLoop]: 191 mSDtfsCounter, 22 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 337 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 471 SdHoareTripleChecker+Invalid, 342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 337 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-03-19 01:49:18,444 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [22 Valid, 471 Invalid, 342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 337 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-03-19 01:49:18,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1751 states. [2022-03-19 01:49:18,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1751 to 1701. [2022-03-19 01:49:18,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1701 states, 1696 states have (on average 1.415683962264151) internal successors, (2401), 1696 states have internal predecessors, (2401), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:49:18,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1701 states to 1701 states and 2405 transitions. [2022-03-19 01:49:18,484 INFO L78 Accepts]: Start accepts. Automaton has 1701 states and 2405 transitions. Word has length 208 [2022-03-19 01:49:18,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 01:49:18,485 INFO L478 AbstractCegarLoop]: Abstraction has 1701 states and 2405 transitions. [2022-03-19 01:49:18,485 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.0) internal successors, (125), 4 states have internal predecessors, (125), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:49:18,485 INFO L276 IsEmpty]: Start isEmpty. Operand 1701 states and 2405 transitions. [2022-03-19 01:49:18,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2022-03-19 01:49:18,487 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 01:49:18,487 INFO L500 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-19 01:49:18,488 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-03-19 01:49:18,488 INFO L403 AbstractCegarLoop]: === Iteration 20 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 01:49:18,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 01:49:18,488 INFO L85 PathProgramCache]: Analyzing trace with hash 76545642, now seen corresponding path program 1 times [2022-03-19 01:49:18,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 01:49:18,488 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570951190] [2022-03-19 01:49:18,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 01:49:18,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 01:49:18,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:49:18,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 01:49:18,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:49:18,698 INFO L134 CoverageAnalysis]: Checked inductivity of 515 backedges. 335 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2022-03-19 01:49:18,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 01:49:18,698 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570951190] [2022-03-19 01:49:18,698 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570951190] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 01:49:18,698 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 01:49:18,699 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-19 01:49:18,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556983893] [2022-03-19 01:49:18,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 01:49:18,699 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-19 01:49:18,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-19 01:49:18,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-19 01:49:18,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-19 01:49:18,700 INFO L87 Difference]: Start difference. First operand 1701 states and 2405 transitions. Second operand has 5 states, 5 states have (on average 26.2) internal successors, (131), 4 states have internal predecessors, (131), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:49:20,711 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-19 01:49:21,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 01:49:21,122 INFO L93 Difference]: Finished difference Result 4202 states and 5928 transitions. [2022-03-19 01:49:21,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-19 01:49:21,123 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.2) internal successors, (131), 4 states have internal predecessors, (131), 1 states have call successors, (3), 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 211 [2022-03-19 01:49:21,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 01:49:21,129 INFO L225 Difference]: With dead ends: 4202 [2022-03-19 01:49:21,129 INFO L226 Difference]: Without dead ends: 2517 [2022-03-19 01:49:21,132 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-19 01:49:21,133 INFO L912 BasicCegarLoop]: 102 mSDtfsCounter, 91 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 392 mSolverCounterSat, 40 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 392 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-19 01:49:21,133 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [91 Valid, 288 Invalid, 433 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 392 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-19 01:49:21,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2517 states. [2022-03-19 01:49:21,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2517 to 2081. [2022-03-19 01:49:21,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2081 states, 2076 states have (on average 1.4311175337186899) internal successors, (2971), 2076 states have internal predecessors, (2971), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:49:21,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2081 states to 2081 states and 2975 transitions. [2022-03-19 01:49:21,176 INFO L78 Accepts]: Start accepts. Automaton has 2081 states and 2975 transitions. Word has length 211 [2022-03-19 01:49:21,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 01:49:21,176 INFO L478 AbstractCegarLoop]: Abstraction has 2081 states and 2975 transitions. [2022-03-19 01:49:21,177 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.2) internal successors, (131), 4 states have internal predecessors, (131), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:49:21,177 INFO L276 IsEmpty]: Start isEmpty. Operand 2081 states and 2975 transitions. [2022-03-19 01:49:21,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2022-03-19 01:49:21,180 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 01:49:21,180 INFO L500 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-19 01:49:21,180 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-03-19 01:49:21,180 INFO L403 AbstractCegarLoop]: === Iteration 21 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 01:49:21,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 01:49:21,181 INFO L85 PathProgramCache]: Analyzing trace with hash -615376590, now seen corresponding path program 1 times [2022-03-19 01:49:21,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 01:49:21,181 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019679129] [2022-03-19 01:49:21,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 01:49:21,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 01:49:21,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:49:21,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 01:49:21,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:49:21,375 INFO L134 CoverageAnalysis]: Checked inductivity of 515 backedges. 335 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2022-03-19 01:49:21,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 01:49:21,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019679129] [2022-03-19 01:49:21,375 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019679129] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 01:49:21,375 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 01:49:21,375 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-19 01:49:21,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325445163] [2022-03-19 01:49:21,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 01:49:21,376 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-19 01:49:21,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-19 01:49:21,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-19 01:49:21,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-19 01:49:21,376 INFO L87 Difference]: Start difference. First operand 2081 states and 2975 transitions. Second operand has 5 states, 5 states have (on average 26.4) internal successors, (132), 4 states have internal predecessors, (132), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:49:23,385 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-19 01:49:23,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 01:49:23,799 INFO L93 Difference]: Finished difference Result 4702 states and 6728 transitions. [2022-03-19 01:49:23,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-19 01:49:23,800 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 212 [2022-03-19 01:49:23,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 01:49:23,807 INFO L225 Difference]: With dead ends: 4702 [2022-03-19 01:49:23,807 INFO L226 Difference]: Without dead ends: 2637 [2022-03-19 01:49:23,810 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-19 01:49:23,811 INFO L912 BasicCegarLoop]: 101 mSDtfsCounter, 90 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 46 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 386 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-19 01:49:23,811 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [90 Valid, 286 Invalid, 433 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 386 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-19 01:49:23,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2637 states. [2022-03-19 01:49:23,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2637 to 2211. [2022-03-19 01:49:23,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2211 states, 2206 states have (on average 1.4601087941976427) internal successors, (3221), 2206 states have internal predecessors, (3221), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:49:23,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2211 states to 2211 states and 3225 transitions. [2022-03-19 01:49:23,868 INFO L78 Accepts]: Start accepts. Automaton has 2211 states and 3225 transitions. Word has length 212 [2022-03-19 01:49:23,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 01:49:23,868 INFO L478 AbstractCegarLoop]: Abstraction has 2211 states and 3225 transitions. [2022-03-19 01:49:23,868 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.4) internal successors, (132), 4 states have internal predecessors, (132), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:49:23,868 INFO L276 IsEmpty]: Start isEmpty. Operand 2211 states and 3225 transitions. [2022-03-19 01:49:23,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2022-03-19 01:49:23,873 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 01:49:23,873 INFO L500 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-19 01:49:23,873 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-03-19 01:49:23,873 INFO L403 AbstractCegarLoop]: === Iteration 22 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 01:49:23,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 01:49:23,874 INFO L85 PathProgramCache]: Analyzing trace with hash 1973118987, now seen corresponding path program 1 times [2022-03-19 01:49:23,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 01:49:23,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4820832] [2022-03-19 01:49:23,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 01:49:23,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 01:49:24,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:49:24,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 01:49:24,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:49:24,105 INFO L134 CoverageAnalysis]: Checked inductivity of 515 backedges. 335 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2022-03-19 01:49:24,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 01:49:24,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4820832] [2022-03-19 01:49:24,105 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [4820832] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 01:49:24,106 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 01:49:24,106 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-19 01:49:24,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448892300] [2022-03-19 01:49:24,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 01:49:24,106 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-19 01:49:24,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-19 01:49:24,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-19 01:49:24,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-19 01:49:24,107 INFO L87 Difference]: Start difference. First operand 2211 states and 3225 transitions. Second operand has 5 states, 5 states have (on average 26.4) internal successors, (132), 4 states have internal predecessors, (132), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:49:26,119 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-19 01:49:26,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 01:49:26,488 INFO L93 Difference]: Finished difference Result 4832 states and 6968 transitions. [2022-03-19 01:49:26,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-19 01:49:26,489 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 212 [2022-03-19 01:49:26,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 01:49:26,495 INFO L225 Difference]: With dead ends: 4832 [2022-03-19 01:49:26,495 INFO L226 Difference]: Without dead ends: 2637 [2022-03-19 01:49:26,499 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-19 01:49:26,500 INFO L912 BasicCegarLoop]: 101 mSDtfsCounter, 88 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 46 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 386 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-03-19 01:49:26,503 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [88 Valid, 286 Invalid, 433 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 386 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-03-19 01:49:26,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2637 states. [2022-03-19 01:49:26,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2637 to 2221. [2022-03-19 01:49:26,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2221 states, 2216 states have (on average 1.4580324909747293) internal successors, (3231), 2216 states have internal predecessors, (3231), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:49:26,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2221 states to 2221 states and 3235 transitions. [2022-03-19 01:49:26,545 INFO L78 Accepts]: Start accepts. Automaton has 2221 states and 3235 transitions. Word has length 212 [2022-03-19 01:49:26,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 01:49:26,546 INFO L478 AbstractCegarLoop]: Abstraction has 2221 states and 3235 transitions. [2022-03-19 01:49:26,546 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.4) internal successors, (132), 4 states have internal predecessors, (132), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:49:26,546 INFO L276 IsEmpty]: Start isEmpty. Operand 2221 states and 3235 transitions. [2022-03-19 01:49:26,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2022-03-19 01:49:26,549 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 01:49:26,549 INFO L500 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-19 01:49:26,549 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-03-19 01:49:26,549 INFO L403 AbstractCegarLoop]: === Iteration 23 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 01:49:26,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 01:49:26,550 INFO L85 PathProgramCache]: Analyzing trace with hash 714270050, now seen corresponding path program 1 times [2022-03-19 01:49:26,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 01:49:26,551 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145657675] [2022-03-19 01:49:26,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 01:49:26,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 01:49:26,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:49:26,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 01:49:26,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:49:26,769 INFO L134 CoverageAnalysis]: Checked inductivity of 515 backedges. 335 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2022-03-19 01:49:26,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 01:49:26,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145657675] [2022-03-19 01:49:26,770 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145657675] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 01:49:26,770 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 01:49:26,770 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-19 01:49:26,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56764920] [2022-03-19 01:49:26,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 01:49:26,770 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-19 01:49:26,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-19 01:49:26,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-19 01:49:26,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-19 01:49:26,771 INFO L87 Difference]: Start difference. First operand 2221 states and 3235 transitions. Second operand has 5 states, 5 states have (on average 26.6) internal successors, (133), 4 states have internal predecessors, (133), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:49:28,782 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-19 01:49:29,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 01:49:29,172 INFO L93 Difference]: Finished difference Result 4832 states and 6958 transitions. [2022-03-19 01:49:29,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-19 01:49:29,172 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 213 [2022-03-19 01:49:29,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 01:49:29,179 INFO L225 Difference]: With dead ends: 4832 [2022-03-19 01:49:29,179 INFO L226 Difference]: Without dead ends: 2627 [2022-03-19 01:49:29,182 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-19 01:49:29,182 INFO L912 BasicCegarLoop]: 102 mSDtfsCounter, 85 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 384 mSolverCounterSat, 46 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 384 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-03-19 01:49:29,182 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [85 Valid, 288 Invalid, 431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 384 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-03-19 01:49:29,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2627 states. [2022-03-19 01:49:29,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2627 to 2231. [2022-03-19 01:49:29,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2231 states, 2226 states have (on average 1.4559748427672956) internal successors, (3241), 2226 states have internal predecessors, (3241), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:49:29,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2231 states to 2231 states and 3245 transitions. [2022-03-19 01:49:29,225 INFO L78 Accepts]: Start accepts. Automaton has 2231 states and 3245 transitions. Word has length 213 [2022-03-19 01:49:29,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 01:49:29,225 INFO L478 AbstractCegarLoop]: Abstraction has 2231 states and 3245 transitions. [2022-03-19 01:49:29,225 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.6) internal successors, (133), 4 states have internal predecessors, (133), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:49:29,225 INFO L276 IsEmpty]: Start isEmpty. Operand 2231 states and 3245 transitions. [2022-03-19 01:49:29,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2022-03-19 01:49:29,228 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 01:49:29,228 INFO L500 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-19 01:49:29,228 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-03-19 01:49:29,228 INFO L403 AbstractCegarLoop]: === Iteration 24 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 01:49:29,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 01:49:29,230 INFO L85 PathProgramCache]: Analyzing trace with hash -1938410075, now seen corresponding path program 1 times [2022-03-19 01:49:29,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 01:49:29,231 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001773414] [2022-03-19 01:49:29,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 01:49:29,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 01:49:29,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:49:29,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 01:49:29,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:49:29,418 INFO L134 CoverageAnalysis]: Checked inductivity of 515 backedges. 335 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2022-03-19 01:49:29,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 01:49:29,418 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001773414] [2022-03-19 01:49:29,418 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001773414] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 01:49:29,418 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 01:49:29,418 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-19 01:49:29,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891149045] [2022-03-19 01:49:29,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 01:49:29,419 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-19 01:49:29,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-19 01:49:29,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-19 01:49:29,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-19 01:49:29,419 INFO L87 Difference]: Start difference. First operand 2231 states and 3245 transitions. Second operand has 5 states, 5 states have (on average 26.8) internal successors, (134), 4 states have internal predecessors, (134), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:49:31,427 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-19 01:49:31,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 01:49:31,769 INFO L93 Difference]: Finished difference Result 4844 states and 6993 transitions. [2022-03-19 01:49:31,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-19 01:49:31,770 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 214 [2022-03-19 01:49:31,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 01:49:31,774 INFO L225 Difference]: With dead ends: 4844 [2022-03-19 01:49:31,774 INFO L226 Difference]: Without dead ends: 2629 [2022-03-19 01:49:31,776 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-19 01:49:31,777 INFO L912 BasicCegarLoop]: 199 mSDtfsCounter, 29 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 372 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 488 SdHoareTripleChecker+Invalid, 377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 372 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-03-19 01:49:31,777 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [29 Valid, 488 Invalid, 377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 372 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-03-19 01:49:31,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2629 states. [2022-03-19 01:49:31,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2629 to 2491. [2022-03-19 01:49:31,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2491 states, 2486 states have (on average 1.4444891391794046) internal successors, (3591), 2486 states have internal predecessors, (3591), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:49:31,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2491 states to 2491 states and 3595 transitions. [2022-03-19 01:49:31,820 INFO L78 Accepts]: Start accepts. Automaton has 2491 states and 3595 transitions. Word has length 214 [2022-03-19 01:49:31,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 01:49:31,821 INFO L478 AbstractCegarLoop]: Abstraction has 2491 states and 3595 transitions. [2022-03-19 01:49:31,821 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.8) internal successors, (134), 4 states have internal predecessors, (134), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:49:31,821 INFO L276 IsEmpty]: Start isEmpty. Operand 2491 states and 3595 transitions. [2022-03-19 01:49:31,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2022-03-19 01:49:31,824 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 01:49:31,824 INFO L500 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 8, 8, 6, 6, 5, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-19 01:49:31,824 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-03-19 01:49:31,825 INFO L403 AbstractCegarLoop]: === Iteration 25 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 01:49:31,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 01:49:31,825 INFO L85 PathProgramCache]: Analyzing trace with hash -1477522265, now seen corresponding path program 1 times [2022-03-19 01:49:31,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 01:49:31,825 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465875425] [2022-03-19 01:49:31,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 01:49:31,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 01:49:31,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:49:31,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 01:49:32,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:49:32,002 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 388 proven. 0 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2022-03-19 01:49:32,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 01:49:32,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465875425] [2022-03-19 01:49:32,002 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1465875425] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 01:49:32,002 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 01:49:32,002 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-19 01:49:32,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024543398] [2022-03-19 01:49:32,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 01:49:32,003 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-19 01:49:32,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-19 01:49:32,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-19 01:49:32,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-19 01:49:32,003 INFO L87 Difference]: Start difference. First operand 2491 states and 3595 transitions. Second operand has 5 states, 5 states have (on average 27.0) internal successors, (135), 4 states have internal predecessors, (135), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:49:34,011 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-19 01:49:34,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 01:49:34,332 INFO L93 Difference]: Finished difference Result 4805 states and 6884 transitions. [2022-03-19 01:49:34,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-19 01:49:34,332 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 233 [2022-03-19 01:49:34,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 01:49:34,336 INFO L225 Difference]: With dead ends: 4805 [2022-03-19 01:49:34,336 INFO L226 Difference]: Without dead ends: 2330 [2022-03-19 01:49:34,339 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-19 01:49:34,339 INFO L912 BasicCegarLoop]: 190 mSDtfsCounter, 20 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 336 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 470 SdHoareTripleChecker+Invalid, 341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 336 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-03-19 01:49:34,340 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 470 Invalid, 341 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 336 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-03-19 01:49:34,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2330 states. [2022-03-19 01:49:34,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2330 to 2264. [2022-03-19 01:49:34,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2264 states, 2259 states have (on average 1.424081451969898) internal successors, (3217), 2259 states have internal predecessors, (3217), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:49:34,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2264 states to 2264 states and 3221 transitions. [2022-03-19 01:49:34,382 INFO L78 Accepts]: Start accepts. Automaton has 2264 states and 3221 transitions. Word has length 233 [2022-03-19 01:49:34,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 01:49:34,382 INFO L478 AbstractCegarLoop]: Abstraction has 2264 states and 3221 transitions. [2022-03-19 01:49:34,382 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.0) internal successors, (135), 4 states have internal predecessors, (135), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:49:34,382 INFO L276 IsEmpty]: Start isEmpty. Operand 2264 states and 3221 transitions. [2022-03-19 01:49:34,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2022-03-19 01:49:34,385 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 01:49:34,385 INFO L500 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 8, 8, 6, 6, 5, 5, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-19 01:49:34,386 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-03-19 01:49:34,386 INFO L403 AbstractCegarLoop]: === Iteration 26 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 01:49:34,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 01:49:34,386 INFO L85 PathProgramCache]: Analyzing trace with hash 1792387938, now seen corresponding path program 1 times [2022-03-19 01:49:34,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 01:49:34,386 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986709785] [2022-03-19 01:49:34,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 01:49:34,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 01:49:34,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:49:34,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 01:49:34,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:49:34,593 INFO L134 CoverageAnalysis]: Checked inductivity of 658 backedges. 400 proven. 0 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2022-03-19 01:49:34,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 01:49:34,594 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986709785] [2022-03-19 01:49:34,594 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1986709785] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 01:49:34,594 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 01:49:34,594 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-19 01:49:34,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580576160] [2022-03-19 01:49:34,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 01:49:34,594 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-19 01:49:34,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-19 01:49:34,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-19 01:49:34,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-19 01:49:34,596 INFO L87 Difference]: Start difference. First operand 2264 states and 3221 transitions. Second operand has 5 states, 5 states have (on average 28.2) internal successors, (141), 4 states have internal predecessors, (141), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:49:36,606 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-19 01:49:36,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 01:49:36,966 INFO L93 Difference]: Finished difference Result 4876 states and 6903 transitions. [2022-03-19 01:49:36,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-19 01:49:36,966 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.2) internal successors, (141), 4 states have internal predecessors, (141), 1 states have call successors, (3), 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 239 [2022-03-19 01:49:36,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 01:49:36,970 INFO L225 Difference]: With dead ends: 4876 [2022-03-19 01:49:36,970 INFO L226 Difference]: Without dead ends: 2628 [2022-03-19 01:49:36,973 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-19 01:49:36,973 INFO L912 BasicCegarLoop]: 201 mSDtfsCounter, 32 mSDsluCounter, 291 mSDsCounter, 0 mSdLazyCounter, 387 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 392 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 387 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-03-19 01:49:36,973 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [32 Valid, 492 Invalid, 392 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 387 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-03-19 01:49:36,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2628 states. [2022-03-19 01:49:37,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2628 to 2496. [2022-03-19 01:49:37,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2496 states, 2491 states have (on average 1.4199116820553994) internal successors, (3537), 2491 states have internal predecessors, (3537), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:49:37,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2496 states to 2496 states and 3541 transitions. [2022-03-19 01:49:37,017 INFO L78 Accepts]: Start accepts. Automaton has 2496 states and 3541 transitions. Word has length 239 [2022-03-19 01:49:37,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 01:49:37,018 INFO L478 AbstractCegarLoop]: Abstraction has 2496 states and 3541 transitions. [2022-03-19 01:49:37,018 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.2) internal successors, (141), 4 states have internal predecessors, (141), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:49:37,018 INFO L276 IsEmpty]: Start isEmpty. Operand 2496 states and 3541 transitions. [2022-03-19 01:49:37,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2022-03-19 01:49:37,022 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 01:49:37,022 INFO L500 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 8, 8, 6, 6, 5, 5, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-19 01:49:37,022 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-03-19 01:49:37,022 INFO L403 AbstractCegarLoop]: === Iteration 27 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 01:49:37,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 01:49:37,023 INFO L85 PathProgramCache]: Analyzing trace with hash 839186305, now seen corresponding path program 1 times [2022-03-19 01:49:37,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 01:49:37,023 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682977644] [2022-03-19 01:49:37,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 01:49:37,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 01:49:37,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:49:37,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 01:49:37,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:49:37,237 INFO L134 CoverageAnalysis]: Checked inductivity of 658 backedges. 400 proven. 0 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2022-03-19 01:49:37,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 01:49:37,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682977644] [2022-03-19 01:49:37,237 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682977644] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 01:49:37,237 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 01:49:37,237 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-19 01:49:37,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887457708] [2022-03-19 01:49:37,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 01:49:37,238 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-19 01:49:37,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-19 01:49:37,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-19 01:49:37,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-19 01:49:37,238 INFO L87 Difference]: Start difference. First operand 2496 states and 3541 transitions. Second operand has 5 states, 5 states have (on average 28.2) internal successors, (141), 4 states have internal predecessors, (141), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:49:39,246 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-19 01:49:39,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 01:49:39,684 INFO L93 Difference]: Finished difference Result 5388 states and 7631 transitions. [2022-03-19 01:49:39,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-19 01:49:39,685 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.2) internal successors, (141), 4 states have internal predecessors, (141), 1 states have call successors, (3), 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 239 [2022-03-19 01:49:39,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 01:49:39,689 INFO L225 Difference]: With dead ends: 5388 [2022-03-19 01:49:39,689 INFO L226 Difference]: Without dead ends: 2908 [2022-03-19 01:49:39,692 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-19 01:49:39,692 INFO L912 BasicCegarLoop]: 207 mSDtfsCounter, 38 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 414 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 504 SdHoareTripleChecker+Invalid, 420 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 414 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-19 01:49:39,692 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [38 Valid, 504 Invalid, 420 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 414 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-19 01:49:39,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2908 states. [2022-03-19 01:49:39,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2908 to 2752. [2022-03-19 01:49:39,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2752 states, 2747 states have (on average 1.4244630506006553) internal successors, (3913), 2747 states have internal predecessors, (3913), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:49:39,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2752 states to 2752 states and 3917 transitions. [2022-03-19 01:49:39,740 INFO L78 Accepts]: Start accepts. Automaton has 2752 states and 3917 transitions. Word has length 239 [2022-03-19 01:49:39,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 01:49:39,740 INFO L478 AbstractCegarLoop]: Abstraction has 2752 states and 3917 transitions. [2022-03-19 01:49:39,740 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.2) internal successors, (141), 4 states have internal predecessors, (141), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:49:39,741 INFO L276 IsEmpty]: Start isEmpty. Operand 2752 states and 3917 transitions. [2022-03-19 01:49:39,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2022-03-19 01:49:39,744 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 01:49:39,744 INFO L500 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 9, 9, 7, 7, 6, 6, 5, 5, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-19 01:49:39,745 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-03-19 01:49:39,745 INFO L403 AbstractCegarLoop]: === Iteration 28 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 01:49:39,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 01:49:39,745 INFO L85 PathProgramCache]: Analyzing trace with hash 534238815, now seen corresponding path program 1 times [2022-03-19 01:49:39,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 01:49:39,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401091848] [2022-03-19 01:49:39,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 01:49:39,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 01:49:39,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:49:39,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 01:49:39,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:49:39,974 INFO L134 CoverageAnalysis]: Checked inductivity of 828 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 663 trivial. 0 not checked. [2022-03-19 01:49:39,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 01:49:39,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401091848] [2022-03-19 01:49:39,974 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401091848] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 01:49:39,974 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 01:49:39,974 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-19 01:49:39,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685998629] [2022-03-19 01:49:39,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 01:49:39,975 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-19 01:49:39,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-19 01:49:39,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-19 01:49:39,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-19 01:49:39,976 INFO L87 Difference]: Start difference. First operand 2752 states and 3917 transitions. Second operand has 5 states, 5 states have (on average 23.2) internal successors, (116), 4 states have internal predecessors, (116), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:49:41,985 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-19 01:49:42,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 01:49:42,417 INFO L93 Difference]: Finished difference Result 5753 states and 8185 transitions. [2022-03-19 01:49:42,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-19 01:49:42,417 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 4 states have internal predecessors, (116), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 267 [2022-03-19 01:49:42,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 01:49:42,422 INFO L225 Difference]: With dead ends: 5753 [2022-03-19 01:49:42,422 INFO L226 Difference]: Without dead ends: 3017 [2022-03-19 01:49:42,425 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-19 01:49:42,425 INFO L912 BasicCegarLoop]: 211 mSDtfsCounter, 60 mSDsluCounter, 301 mSDsCounter, 0 mSdLazyCounter, 469 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 512 SdHoareTripleChecker+Invalid, 476 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 469 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-19 01:49:42,426 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [60 Valid, 512 Invalid, 476 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 469 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-19 01:49:42,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3017 states. [2022-03-19 01:49:42,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3017 to 2852. [2022-03-19 01:49:42,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2852 states, 2847 states have (on average 1.420793818054092) internal successors, (4045), 2847 states have internal predecessors, (4045), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:49:42,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2852 states to 2852 states and 4049 transitions. [2022-03-19 01:49:42,475 INFO L78 Accepts]: Start accepts. Automaton has 2852 states and 4049 transitions. Word has length 267 [2022-03-19 01:49:42,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 01:49:42,475 INFO L478 AbstractCegarLoop]: Abstraction has 2852 states and 4049 transitions. [2022-03-19 01:49:42,475 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 4 states have internal predecessors, (116), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:49:42,475 INFO L276 IsEmpty]: Start isEmpty. Operand 2852 states and 4049 transitions. [2022-03-19 01:49:42,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2022-03-19 01:49:42,479 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 01:49:42,479 INFO L500 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 9, 9, 7, 7, 6, 6, 5, 5, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-19 01:49:42,479 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-03-19 01:49:42,479 INFO L403 AbstractCegarLoop]: === Iteration 29 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 01:49:42,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 01:49:42,479 INFO L85 PathProgramCache]: Analyzing trace with hash -1542970528, now seen corresponding path program 1 times [2022-03-19 01:49:42,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 01:49:42,480 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137994644] [2022-03-19 01:49:42,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 01:49:42,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 01:49:42,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:49:42,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 01:49:42,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:49:42,715 INFO L134 CoverageAnalysis]: Checked inductivity of 828 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 663 trivial. 0 not checked. [2022-03-19 01:49:42,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 01:49:42,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137994644] [2022-03-19 01:49:42,715 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137994644] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 01:49:42,715 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 01:49:42,715 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-19 01:49:42,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334248605] [2022-03-19 01:49:42,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 01:49:42,716 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-19 01:49:42,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-19 01:49:42,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-19 01:49:42,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-19 01:49:42,717 INFO L87 Difference]: Start difference. First operand 2852 states and 4049 transitions. Second operand has 5 states, 5 states have (on average 23.2) internal successors, (116), 4 states have internal predecessors, (116), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:49:44,726 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-19 01:49:45,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 01:49:45,077 INFO L93 Difference]: Finished difference Result 5709 states and 8104 transitions. [2022-03-19 01:49:45,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-19 01:49:45,077 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 4 states have internal predecessors, (116), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 267 [2022-03-19 01:49:45,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 01:49:45,087 INFO L225 Difference]: With dead ends: 5709 [2022-03-19 01:49:45,087 INFO L226 Difference]: Without dead ends: 2873 [2022-03-19 01:49:45,091 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-19 01:49:45,096 INFO L912 BasicCegarLoop]: 185 mSDtfsCounter, 16 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 324 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 324 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-03-19 01:49:45,097 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 461 Invalid, 329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 324 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-03-19 01:49:45,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2873 states. [2022-03-19 01:49:45,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2873 to 2852. [2022-03-19 01:49:45,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2852 states, 2847 states have (on average 1.4193888303477344) internal successors, (4041), 2847 states have internal predecessors, (4041), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:49:45,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2852 states to 2852 states and 4045 transitions. [2022-03-19 01:49:45,164 INFO L78 Accepts]: Start accepts. Automaton has 2852 states and 4045 transitions. Word has length 267 [2022-03-19 01:49:45,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 01:49:45,164 INFO L478 AbstractCegarLoop]: Abstraction has 2852 states and 4045 transitions. [2022-03-19 01:49:45,164 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 4 states have internal predecessors, (116), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:49:45,164 INFO L276 IsEmpty]: Start isEmpty. Operand 2852 states and 4045 transitions. [2022-03-19 01:49:45,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2022-03-19 01:49:45,169 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 01:49:45,169 INFO L500 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 10, 10, 8, 8, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-19 01:49:45,169 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-03-19 01:49:45,170 INFO L403 AbstractCegarLoop]: === Iteration 30 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 01:49:45,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 01:49:45,171 INFO L85 PathProgramCache]: Analyzing trace with hash 717723451, now seen corresponding path program 1 times [2022-03-19 01:49:45,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 01:49:45,171 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257233990] [2022-03-19 01:49:45,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 01:49:45,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 01:49:45,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:49:45,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 01:49:45,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:49:45,435 INFO L134 CoverageAnalysis]: Checked inductivity of 997 backedges. 334 proven. 0 refuted. 0 times theorem prover too weak. 663 trivial. 0 not checked. [2022-03-19 01:49:45,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 01:49:45,435 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257233990] [2022-03-19 01:49:45,435 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257233990] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 01:49:45,435 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 01:49:45,435 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-19 01:49:45,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639151485] [2022-03-19 01:49:45,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 01:49:45,436 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-19 01:49:45,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-19 01:49:45,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-19 01:49:45,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-19 01:49:45,437 INFO L87 Difference]: Start difference. First operand 2852 states and 4045 transitions. Second operand has 5 states, 5 states have (on average 27.2) internal successors, (136), 4 states have internal predecessors, (136), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:49:47,445 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-19 01:49:47,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 01:49:47,824 INFO L93 Difference]: Finished difference Result 5853 states and 8305 transitions. [2022-03-19 01:49:47,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-19 01:49:47,824 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.2) internal successors, (136), 4 states have internal predecessors, (136), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 287 [2022-03-19 01:49:47,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 01:49:47,829 INFO L225 Difference]: With dead ends: 5853 [2022-03-19 01:49:47,830 INFO L226 Difference]: Without dead ends: 3017 [2022-03-19 01:49:47,832 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-19 01:49:47,833 INFO L912 BasicCegarLoop]: 210 mSDtfsCounter, 62 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 468 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 510 SdHoareTripleChecker+Invalid, 475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 468 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-03-19 01:49:47,834 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [62 Valid, 510 Invalid, 475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 468 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-03-19 01:49:47,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3017 states. [2022-03-19 01:49:47,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3017 to 2852. [2022-03-19 01:49:47,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2852 states, 2847 states have (on average 1.417983842641377) internal successors, (4037), 2847 states have internal predecessors, (4037), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:49:47,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2852 states to 2852 states and 4041 transitions. [2022-03-19 01:49:47,913 INFO L78 Accepts]: Start accepts. Automaton has 2852 states and 4041 transitions. Word has length 287 [2022-03-19 01:49:47,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 01:49:47,913 INFO L478 AbstractCegarLoop]: Abstraction has 2852 states and 4041 transitions. [2022-03-19 01:49:47,913 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.2) internal successors, (136), 4 states have internal predecessors, (136), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:49:47,913 INFO L276 IsEmpty]: Start isEmpty. Operand 2852 states and 4041 transitions. [2022-03-19 01:49:47,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2022-03-19 01:49:47,916 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 01:49:47,916 INFO L500 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 10, 10, 8, 8, 7, 7, 6, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-19 01:49:47,917 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-03-19 01:49:47,917 INFO L403 AbstractCegarLoop]: === Iteration 31 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 01:49:47,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 01:49:47,917 INFO L85 PathProgramCache]: Analyzing trace with hash -2118539755, now seen corresponding path program 1 times [2022-03-19 01:49:47,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 01:49:47,917 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871486866] [2022-03-19 01:49:47,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 01:49:47,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 01:49:48,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:49:48,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 01:49:48,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:49:48,106 INFO L134 CoverageAnalysis]: Checked inductivity of 1002 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 663 trivial. 0 not checked. [2022-03-19 01:49:48,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 01:49:48,106 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871486866] [2022-03-19 01:49:48,106 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [871486866] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 01:49:48,106 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 01:49:48,106 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-19 01:49:48,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679491394] [2022-03-19 01:49:48,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 01:49:48,107 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-19 01:49:48,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-19 01:49:48,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-19 01:49:48,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-19 01:49:48,107 INFO L87 Difference]: Start difference. First operand 2852 states and 4041 transitions. Second operand has 5 states, 5 states have (on average 27.4) internal successors, (137), 4 states have internal predecessors, (137), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:49:50,115 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-19 01:49:50,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 01:49:50,504 INFO L93 Difference]: Finished difference Result 5841 states and 8284 transitions. [2022-03-19 01:49:50,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-19 01:49:50,504 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.4) internal successors, (137), 4 states have internal predecessors, (137), 1 states have call successors, (3), 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 288 [2022-03-19 01:49:50,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 01:49:50,507 INFO L225 Difference]: With dead ends: 5841 [2022-03-19 01:49:50,507 INFO L226 Difference]: Without dead ends: 3005 [2022-03-19 01:49:50,510 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-19 01:49:50,510 INFO L912 BasicCegarLoop]: 206 mSDtfsCounter, 57 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 460 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 502 SdHoareTripleChecker+Invalid, 467 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 460 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-03-19 01:49:50,510 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [57 Valid, 502 Invalid, 467 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 460 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-03-19 01:49:50,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3005 states. [2022-03-19 01:49:50,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3005 to 2852. [2022-03-19 01:49:50,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2852 states, 2847 states have (on average 1.4165788549350193) internal successors, (4033), 2847 states have internal predecessors, (4033), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:49:50,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2852 states to 2852 states and 4037 transitions. [2022-03-19 01:49:50,573 INFO L78 Accepts]: Start accepts. Automaton has 2852 states and 4037 transitions. Word has length 288 [2022-03-19 01:49:50,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 01:49:50,574 INFO L478 AbstractCegarLoop]: Abstraction has 2852 states and 4037 transitions. [2022-03-19 01:49:50,574 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.4) internal successors, (137), 4 states have internal predecessors, (137), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:49:50,574 INFO L276 IsEmpty]: Start isEmpty. Operand 2852 states and 4037 transitions. [2022-03-19 01:49:50,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2022-03-19 01:49:50,577 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 01:49:50,577 INFO L500 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 10, 10, 8, 8, 7, 7, 6, 6, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-19 01:49:50,577 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-03-19 01:49:50,577 INFO L403 AbstractCegarLoop]: === Iteration 32 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 01:49:50,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 01:49:50,578 INFO L85 PathProgramCache]: Analyzing trace with hash 969411152, now seen corresponding path program 1 times [2022-03-19 01:49:50,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 01:49:50,578 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683223399] [2022-03-19 01:49:50,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 01:49:50,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 01:49:50,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:49:50,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 01:49:50,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:49:50,757 INFO L134 CoverageAnalysis]: Checked inductivity of 1017 backedges. 354 proven. 0 refuted. 0 times theorem prover too weak. 663 trivial. 0 not checked. [2022-03-19 01:49:50,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 01:49:50,757 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683223399] [2022-03-19 01:49:50,757 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683223399] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 01:49:50,757 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 01:49:50,757 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-19 01:49:50,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090450235] [2022-03-19 01:49:50,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 01:49:50,757 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-19 01:49:50,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-19 01:49:50,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-19 01:49:50,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-19 01:49:50,758 INFO L87 Difference]: Start difference. First operand 2852 states and 4037 transitions. Second operand has 5 states, 5 states have (on average 28.2) internal successors, (141), 4 states have internal predecessors, (141), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:49:52,766 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-19 01:49:53,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 01:49:53,180 INFO L93 Difference]: Finished difference Result 6007 states and 8448 transitions. [2022-03-19 01:49:53,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-19 01:49:53,180 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.2) internal successors, (141), 4 states have internal predecessors, (141), 1 states have call successors, (3), 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 292 [2022-03-19 01:49:53,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 01:49:53,184 INFO L225 Difference]: With dead ends: 6007 [2022-03-19 01:49:53,184 INFO L226 Difference]: Without dead ends: 3171 [2022-03-19 01:49:53,188 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-19 01:49:53,188 INFO L912 BasicCegarLoop]: 102 mSDtfsCounter, 97 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 385 mSolverCounterSat, 43 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 385 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-03-19 01:49:53,188 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [97 Valid, 288 Invalid, 429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 385 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-03-19 01:49:53,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3171 states. [2022-03-19 01:49:53,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3171 to 2852. [2022-03-19 01:49:53,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2852 states, 2847 states have (on average 1.4053389532841587) internal successors, (4001), 2847 states have internal predecessors, (4001), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:49:53,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2852 states to 2852 states and 4005 transitions. [2022-03-19 01:49:53,236 INFO L78 Accepts]: Start accepts. Automaton has 2852 states and 4005 transitions. Word has length 292 [2022-03-19 01:49:53,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 01:49:53,237 INFO L478 AbstractCegarLoop]: Abstraction has 2852 states and 4005 transitions. [2022-03-19 01:49:53,237 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.2) internal successors, (141), 4 states have internal predecessors, (141), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:49:53,237 INFO L276 IsEmpty]: Start isEmpty. Operand 2852 states and 4005 transitions. [2022-03-19 01:49:53,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2022-03-19 01:49:53,240 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 01:49:53,240 INFO L500 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 10, 10, 8, 8, 7, 7, 6, 6, 5, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-19 01:49:53,241 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-03-19 01:49:53,241 INFO L403 AbstractCegarLoop]: === Iteration 33 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 01:49:53,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 01:49:53,241 INFO L85 PathProgramCache]: Analyzing trace with hash -1619509744, now seen corresponding path program 1 times [2022-03-19 01:49:53,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 01:49:53,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925857232] [2022-03-19 01:49:53,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 01:49:53,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 01:49:53,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:49:53,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 01:49:53,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:49:53,511 INFO L134 CoverageAnalysis]: Checked inductivity of 1017 backedges. 185 proven. 13 refuted. 0 times theorem prover too weak. 819 trivial. 0 not checked. [2022-03-19 01:49:53,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 01:49:53,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925857232] [2022-03-19 01:49:53,511 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1925857232] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-19 01:49:53,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1377423276] [2022-03-19 01:49:53,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 01:49:53,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-19 01:49:53,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-19 01:49:53,513 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-19 01:49:53,513 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-19 01:49:54,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:49:54,566 INFO L263 TraceCheckSpWp]: Trace formula consists of 2025 conjuncts, 23 conjunts are in the unsatisfiable core [2022-03-19 01:49:54,573 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-19 01:49:54,612 INFO L356 Elim1Store]: treesize reduction 54, result has 44.3 percent of original size [2022-03-19 01:49:54,613 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 68 treesize of output 143 [2022-03-19 01:49:54,616 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 123 treesize of output 63 [2022-03-19 01:49:54,620 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2022-03-19 01:49:54,624 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2022-03-19 01:49:54,731 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-03-19 01:49:54,741 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 [2022-03-19 01:49:54,769 INFO L356 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-03-19 01:49:54,769 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 7 [2022-03-19 01:49:54,916 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 8 [2022-03-19 01:49:55,030 INFO L356 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-03-19 01:49:55,031 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 19 [2022-03-19 01:49:55,087 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-03-19 01:49:55,101 INFO L134 CoverageAnalysis]: Checked inductivity of 1017 backedges. 178 proven. 123 refuted. 0 times theorem prover too weak. 716 trivial. 0 not checked. [2022-03-19 01:49:55,101 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-19 01:49:55,409 INFO L134 CoverageAnalysis]: Checked inductivity of 1017 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 833 trivial. 0 not checked. [2022-03-19 01:49:55,410 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1377423276] provided 1 perfect and 1 imperfect interpolant sequences [2022-03-19 01:49:55,410 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-03-19 01:49:55,410 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7, 8] total 10 [2022-03-19 01:49:55,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118753926] [2022-03-19 01:49:55,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 01:49:55,410 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-19 01:49:55,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-19 01:49:55,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-19 01:49:55,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-03-19 01:49:55,411 INFO L87 Difference]: Start difference. First operand 2852 states and 4005 transitions. Second operand has 4 states, 4 states have (on average 29.5) internal successors, (118), 4 states have internal predecessors, (118), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:49:57,418 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-19 01:49:57,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 01:49:57,689 INFO L93 Difference]: Finished difference Result 6007 states and 8384 transitions. [2022-03-19 01:49:57,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-19 01:49:57,689 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.5) internal successors, (118), 4 states have internal predecessors, (118), 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 292 [2022-03-19 01:49:57,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 01:49:57,693 INFO L225 Difference]: With dead ends: 6007 [2022-03-19 01:49:57,693 INFO L226 Difference]: Without dead ends: 3171 [2022-03-19 01:49:57,696 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 594 GetRequests, 585 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2022-03-19 01:49:57,697 INFO L912 BasicCegarLoop]: 108 mSDtfsCounter, 98 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 44 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-03-19 01:49:57,697 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [98 Valid, 298 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 207 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2022-03-19 01:49:57,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3171 states. [2022-03-19 01:49:57,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3171 to 2844. [2022-03-19 01:49:57,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2844 states, 2839 states have (on average 1.3923916872138076) internal successors, (3953), 2839 states have internal predecessors, (3953), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:49:57,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2844 states to 2844 states and 3957 transitions. [2022-03-19 01:49:57,749 INFO L78 Accepts]: Start accepts. Automaton has 2844 states and 3957 transitions. Word has length 292 [2022-03-19 01:49:57,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 01:49:57,749 INFO L478 AbstractCegarLoop]: Abstraction has 2844 states and 3957 transitions. [2022-03-19 01:49:57,749 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.5) internal successors, (118), 4 states have internal predecessors, (118), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:49:57,749 INFO L276 IsEmpty]: Start isEmpty. Operand 2844 states and 3957 transitions. [2022-03-19 01:49:57,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2022-03-19 01:49:57,753 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 01:49:57,753 INFO L500 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 10, 10, 8, 8, 7, 7, 6, 6, 4, 4, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-19 01:49:57,784 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-19 01:49:57,975 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,SelfDestructingSolverStorable32 [2022-03-19 01:49:57,975 INFO L403 AbstractCegarLoop]: === Iteration 34 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 01:49:57,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 01:49:57,976 INFO L85 PathProgramCache]: Analyzing trace with hash -1263432505, now seen corresponding path program 1 times [2022-03-19 01:49:57,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 01:49:57,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103663559] [2022-03-19 01:49:57,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 01:49:57,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 01:49:58,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:49:58,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 01:49:58,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:49:58,199 INFO L134 CoverageAnalysis]: Checked inductivity of 1025 backedges. 362 proven. 0 refuted. 0 times theorem prover too weak. 663 trivial. 0 not checked. [2022-03-19 01:49:58,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 01:49:58,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103663559] [2022-03-19 01:49:58,199 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103663559] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 01:49:58,199 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 01:49:58,199 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-19 01:49:58,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600937019] [2022-03-19 01:49:58,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 01:49:58,200 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-19 01:49:58,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-19 01:49:58,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-19 01:49:58,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-19 01:49:58,200 INFO L87 Difference]: Start difference. First operand 2844 states and 3957 transitions. Second operand has 5 states, 5 states have (on average 30.8) internal successors, (154), 4 states have internal predecessors, (154), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:50:00,211 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-19 01:50:00,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 01:50:00,573 INFO L93 Difference]: Finished difference Result 5593 states and 7693 transitions. [2022-03-19 01:50:00,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-19 01:50:00,573 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 30.8) internal successors, (154), 4 states have internal predecessors, (154), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 305 [2022-03-19 01:50:00,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 01:50:00,576 INFO L225 Difference]: With dead ends: 5593 [2022-03-19 01:50:00,576 INFO L226 Difference]: Without dead ends: 2757 [2022-03-19 01:50:00,579 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-19 01:50:00,580 INFO L912 BasicCegarLoop]: 105 mSDtfsCounter, 80 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 378 mSolverCounterSat, 42 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 378 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-03-19 01:50:00,580 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [80 Valid, 294 Invalid, 421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 378 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-03-19 01:50:00,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2757 states. [2022-03-19 01:50:00,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2757 to 1603. [2022-03-19 01:50:00,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1603 states, 1598 states have (on average 1.3823529411764706) internal successors, (2209), 1598 states have internal predecessors, (2209), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:50:00,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1603 states to 1603 states and 2213 transitions. [2022-03-19 01:50:00,616 INFO L78 Accepts]: Start accepts. Automaton has 1603 states and 2213 transitions. Word has length 305 [2022-03-19 01:50:00,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 01:50:00,616 INFO L478 AbstractCegarLoop]: Abstraction has 1603 states and 2213 transitions. [2022-03-19 01:50:00,616 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 30.8) internal successors, (154), 4 states have internal predecessors, (154), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-19 01:50:00,616 INFO L276 IsEmpty]: Start isEmpty. Operand 1603 states and 2213 transitions. [2022-03-19 01:50:00,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2022-03-19 01:50:00,618 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 01:50:00,618 INFO L500 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 11, 11, 9, 9, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-19 01:50:00,619 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-03-19 01:50:00,619 INFO L403 AbstractCegarLoop]: === Iteration 35 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 01:50:00,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 01:50:00,619 INFO L85 PathProgramCache]: Analyzing trace with hash -2074742642, now seen corresponding path program 1 times [2022-03-19 01:50:00,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 01:50:00,619 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141040013] [2022-03-19 01:50:00,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 01:50:00,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 01:50:02,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:50:03,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 01:50:03,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:50:03,596 INFO L134 CoverageAnalysis]: Checked inductivity of 1171 backedges. 546 proven. 238 refuted. 0 times theorem prover too weak. 387 trivial. 0 not checked. [2022-03-19 01:50:03,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 01:50:03,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141040013] [2022-03-19 01:50:03,596 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2141040013] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-19 01:50:03,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [89316347] [2022-03-19 01:50:03,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 01:50:03,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-19 01:50:03,597 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-19 01:50:03,598 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-19 01:50:03,599 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-19 01:50:05,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 01:50:05,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 2085 conjuncts, 299 conjunts are in the unsatisfiable core [2022-03-19 01:50:05,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-19 01:50:05,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-19 01:50:05,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-19 01:50:05,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-19 01:50:05,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-19 01:50:05,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-19 01:50:05,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-19 01:50:05,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-19 01:50:05,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-19 01:50:05,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-19 01:50:05,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-19 01:50:05,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-19 01:50:05,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-19 01:50:05,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-19 01:50:05,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-19 01:50:05,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-19 01:50:05,567 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-19 01:50:05,568 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-19 01:50:05,569 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-19 01:50:05,573 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 32325 treesize of output 29149 [2022-03-19 01:50:05,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-19 01:50:05,641 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 3 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 29044 treesize of output 28989 [2022-03-19 01:50:05,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-19 01:50:07,258 INFO L190 IndexEqualityManager]: detected not equals via solver