/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCTransformed.xml -s ../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf -i ../../../trunk/examples/svcomp/openssl/s3_clnt.blast.01.i.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05ce600 [2022-02-23 19:56:28,120 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-23 19:56:28,121 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-23 19:56:28,176 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-23 19:56:28,176 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-23 19:56:28,177 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-23 19:56:28,178 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-23 19:56:28,179 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-23 19:56:28,180 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-23 19:56:28,180 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-23 19:56:28,181 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-23 19:56:28,181 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-23 19:56:28,182 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-23 19:56:28,182 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-23 19:56:28,183 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-23 19:56:28,184 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-23 19:56:28,184 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-23 19:56:28,185 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-23 19:56:28,186 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-23 19:56:28,187 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-23 19:56:28,190 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-23 19:56:28,191 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-23 19:56:28,191 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-23 19:56:28,192 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-23 19:56:28,193 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-23 19:56:28,193 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-23 19:56:28,193 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-23 19:56:28,194 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-23 19:56:28,194 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-23 19:56:28,195 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-23 19:56:28,195 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-23 19:56:28,195 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-23 19:56:28,196 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-23 19:56:28,196 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-23 19:56:28,197 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-23 19:56:28,197 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-23 19:56:28,197 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-23 19:56:28,197 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-23 19:56:28,198 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-23 19:56:28,198 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-23 19:56:28,198 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-23 19:56:28,204 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2022-02-23 19:56:28,209 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-23 19:56:28,209 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-23 19:56:28,210 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-23 19:56:28,210 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-23 19:56:28,210 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-23 19:56:28,211 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-23 19:56:28,211 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-23 19:56:28,211 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-23 19:56:28,211 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-23 19:56:28,211 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-23 19:56:28,211 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-23 19:56:28,211 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-23 19:56:28,211 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-23 19:56:28,211 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-23 19:56:28,211 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-23 19:56:28,211 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-23 19:56:28,212 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-23 19:56:28,212 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-23 19:56:28,212 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-23 19:56:28,212 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-23 19:56:28,212 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-23 19:56:28,212 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-02-23 19:56:28,212 INFO L138 SettingsManager]: * TransformationType=LOOP_ACCELERATION_JORDAN WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-02-23 19:56:28,362 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-23 19:56:28,374 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-23 19:56:28,375 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-23 19:56:28,376 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-23 19:56:28,376 INFO L275 PluginConnector]: CDTParser initialized [2022-02-23 19:56:28,377 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/openssl/s3_clnt.blast.01.i.cil-1.c [2022-02-23 19:56:28,415 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7647b7a68/d90ae4fc57214516a9a75e279d168297/FLAG3e544dbc7 [2022-02-23 19:56:28,849 INFO L306 CDTParser]: Found 1 translation units. [2022-02-23 19:56:28,850 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/openssl/s3_clnt.blast.01.i.cil-1.c [2022-02-23 19:56:28,875 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7647b7a68/d90ae4fc57214516a9a75e279d168297/FLAG3e544dbc7 [2022-02-23 19:56:29,180 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7647b7a68/d90ae4fc57214516a9a75e279d168297 [2022-02-23 19:56:29,182 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-23 19:56:29,183 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-23 19:56:29,186 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-23 19:56:29,186 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-23 19:56:29,188 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-23 19:56:29,189 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 07:56:29" (1/1) ... [2022-02-23 19:56:29,189 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e4d5a56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 07:56:29, skipping insertion in model container [2022-02-23 19:56:29,190 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 07:56:29" (1/1) ... [2022-02-23 19:56:29,194 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-23 19:56:29,253 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-23 19:56:29,498 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/openssl/s3_clnt.blast.01.i.cil-1.c[65523,65536] [2022-02-23 19:56:29,504 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-23 19:56:29,511 INFO L203 MainTranslator]: Completed pre-run [2022-02-23 19:56:29,613 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/openssl/s3_clnt.blast.01.i.cil-1.c[65523,65536] [2022-02-23 19:56:29,615 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-23 19:56:29,625 INFO L208 MainTranslator]: Completed translation [2022-02-23 19:56:29,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 07:56:29 WrapperNode [2022-02-23 19:56:29,625 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-23 19:56:29,626 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-23 19:56:29,626 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-23 19:56:29,626 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-23 19:56:29,633 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 07:56:29" (1/1) ... [2022-02-23 19:56:29,633 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 07:56:29" (1/1) ... [2022-02-23 19:56:29,645 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 07:56:29" (1/1) ... [2022-02-23 19:56:29,645 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 07:56:29" (1/1) ... [2022-02-23 19:56:29,683 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 07:56:29" (1/1) ... [2022-02-23 19:56:29,687 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 07:56:29" (1/1) ... [2022-02-23 19:56:29,689 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 07:56:29" (1/1) ... [2022-02-23 19:56:29,702 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-23 19:56:29,703 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-23 19:56:29,703 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-23 19:56:29,703 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-23 19:56:29,704 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 07:56:29" (1/1) ... [2022-02-23 19:56:29,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-23 19:56:29,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-23 19:56:29,725 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) [2022-02-23 19:56:29,757 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 [2022-02-23 19:56:29,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-02-23 19:56:29,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-23 19:56:29,766 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-02-23 19:56:29,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_get_client_method [2022-02-23 19:56:29,766 INFO L138 BoogieDeclarations]: Found implementation of procedure SSLv3_client_method [2022-02-23 19:56:29,767 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-02-23 19:56:29,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_connect [2022-02-23 19:56:29,767 INFO L138 BoogieDeclarations]: Found implementation of procedure sslv3_base_method [2022-02-23 19:56:29,767 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-02-23 19:56:29,767 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-02-23 19:56:29,767 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-02-23 19:56:29,767 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-02-23 19:56:29,767 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-02-23 19:56:29,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-23 19:56:29,768 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2022-02-23 19:56:29,768 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2022-02-23 19:56:29,769 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-02-23 19:56:29,769 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2022-02-23 19:56:29,769 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2022-02-23 19:56:29,769 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2022-02-23 19:56:29,770 INFO L130 BoogieDeclarations]: Found specification of procedure SSLv3_client_method [2022-02-23 19:56:29,770 INFO L130 BoogieDeclarations]: Found specification of procedure sslv3_base_method [2022-02-23 19:56:29,770 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_connect [2022-02-23 19:56:29,770 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_get_client_method [2022-02-23 19:56:29,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-02-23 19:56:29,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-02-23 19:56:29,770 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-02-23 19:56:29,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-23 19:56:29,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-23 19:56:29,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-02-23 19:56:29,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-23 19:56:29,770 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2022-02-23 19:56:29,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-02-23 19:56:29,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-02-23 19:56:29,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-23 19:56:29,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-23 19:56:29,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-02-23 19:56:29,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-02-23 19:56:29,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-02-23 19:56:29,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-02-23 19:56:29,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-23 19:56:29,913 INFO L234 CfgBuilder]: Building ICFG [2022-02-23 19:56:29,915 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-23 19:56:30,861 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-23 19:56:31,130 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2022-02-23 19:56:31,131 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2022-02-23 19:56:31,169 INFO L275 CfgBuilder]: Performing block encoding [2022-02-23 19:56:31,174 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-23 19:56:31,175 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-02-23 19:56:31,176 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 07:56:31 BoogieIcfgContainer [2022-02-23 19:56:31,176 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-23 19:56:31,177 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-02-23 19:56:31,177 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-02-23 19:56:31,177 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-02-23 19:56:31,179 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 07:56:31" (1/1) ... [2022-02-23 19:56:31,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 23.02 07:56:31 BasicIcfg [2022-02-23 19:56:31,209 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-02-23 19:56:31,210 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-23 19:56:31,210 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-23 19:56:31,212 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-23 19:56:31,212 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.02 07:56:29" (1/4) ... [2022-02-23 19:56:31,213 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5006fce2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 07:56:31, skipping insertion in model container [2022-02-23 19:56:31,213 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 07:56:29" (2/4) ... [2022-02-23 19:56:31,213 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5006fce2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 07:56:31, skipping insertion in model container [2022-02-23 19:56:31,213 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 07:56:31" (3/4) ... [2022-02-23 19:56:31,213 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5006fce2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.02 07:56:31, skipping insertion in model container [2022-02-23 19:56:31,213 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 23.02 07:56:31" (4/4) ... [2022-02-23 19:56:31,214 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_clnt.blast.01.i.cil-1.cJordan [2022-02-23 19:56:31,217 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2022-02-23 19:56:31,217 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-23 19:56:31,242 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-23 19:56:31,254 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=ForwardPredicates, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-23 19:56:31,254 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-23 19:56:31,264 INFO L276 IsEmpty]: Start isEmpty. Operand has 140 states, 132 states have (on average 1.6742424242424243) internal successors, (221), 133 states have internal predecessors, (221), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-23 19:56:31,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-02-23 19:56:31,276 INFO L506 BasicCegarLoop]: Found error trace [2022-02-23 19:56:31,276 INFO L514 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] [2022-02-23 19:56:31,277 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-23 19:56:31,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-23 19:56:31,280 INFO L85 PathProgramCache]: Analyzing trace with hash -106935299, now seen corresponding path program 1 times [2022-02-23 19:56:31,285 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-23 19:56:31,286 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578250868] [2022-02-23 19:56:31,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 19:56:31,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-23 19:56:31,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:56:31,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-23 19:56:31,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:56:31,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-23 19:56:31,766 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-23 19:56:31,766 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578250868] [2022-02-23 19:56:31,767 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578250868] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-23 19:56:31,767 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-23 19:56:31,768 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-23 19:56:31,769 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18115809] [2022-02-23 19:56:31,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-23 19:56:31,773 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-23 19:56:31,773 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-23 19:56:31,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-23 19:56:31,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-23 19:56:31,798 INFO L87 Difference]: Start difference. First operand has 140 states, 132 states have (on average 1.6742424242424243) internal successors, (221), 133 states have internal predecessors, (221), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-23 19:56:33,833 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 [] [2022-02-23 19:56:34,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-23 19:56:34,238 INFO L93 Difference]: Finished difference Result 144 states and 228 transitions. [2022-02-23 19:56:34,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-23 19:56:34,240 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 [2022-02-23 19:56:34,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-23 19:56:34,246 INFO L225 Difference]: With dead ends: 144 [2022-02-23 19:56:34,246 INFO L226 Difference]: Without dead ends: 124 [2022-02-23 19:56:34,247 INFO L932 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 [2022-02-23 19:56:34,249 INFO L933 BasicCegarLoop]: 214 mSDtfsCounter, 7 mSDsluCounter, 344 mSDsCounter, 0 mSdLazyCounter, 321 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 558 SdHoareTripleChecker+Invalid, 325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 321 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-02-23 19:56:34,249 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 558 Invalid, 325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 321 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-02-23 19:56:34,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2022-02-23 19:56:34,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 123. [2022-02-23 19:56:34,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 118 states have (on average 1.4915254237288136) internal successors, (176), 118 states have internal predecessors, (176), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-23 19:56:34,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 180 transitions. [2022-02-23 19:56:34,278 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 180 transitions. Word has length 30 [2022-02-23 19:56:34,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-23 19:56:34,278 INFO L470 AbstractCegarLoop]: Abstraction has 123 states and 180 transitions. [2022-02-23 19:56:34,278 INFO L471 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) [2022-02-23 19:56:34,278 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 180 transitions. [2022-02-23 19:56:34,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-02-23 19:56:34,279 INFO L506 BasicCegarLoop]: Found error trace [2022-02-23 19:56:34,279 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-23 19:56:34,279 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-23 19:56:34,280 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-23 19:56:34,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-23 19:56:34,280 INFO L85 PathProgramCache]: Analyzing trace with hash -1091565072, now seen corresponding path program 1 times [2022-02-23 19:56:34,280 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-23 19:56:34,280 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499358130] [2022-02-23 19:56:34,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 19:56:34,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-23 19:56:34,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:56:34,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-23 19:56:34,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:56:34,445 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-02-23 19:56:34,445 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-23 19:56:34,445 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499358130] [2022-02-23 19:56:34,445 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499358130] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-23 19:56:34,445 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-23 19:56:34,445 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-23 19:56:34,445 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993461362] [2022-02-23 19:56:34,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-23 19:56:34,446 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-23 19:56:34,446 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-23 19:56:34,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-23 19:56:34,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-23 19:56:34,447 INFO L87 Difference]: Start difference. First operand 123 states and 180 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-23 19:56:36,464 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 [] [2022-02-23 19:56:36,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-23 19:56:36,725 INFO L93 Difference]: Finished difference Result 226 states and 330 transitions. [2022-02-23 19:56:36,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-23 19:56:36,726 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 45 [2022-02-23 19:56:36,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-23 19:56:36,727 INFO L225 Difference]: With dead ends: 226 [2022-02-23 19:56:36,727 INFO L226 Difference]: Without dead ends: 226 [2022-02-23 19:56:36,728 INFO L932 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 [2022-02-23 19:56:36,728 INFO L933 BasicCegarLoop]: 168 mSDtfsCounter, 125 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-02-23 19:56:36,729 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [125 Valid, 323 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 192 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-02-23 19:56:36,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2022-02-23 19:56:36,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 226. [2022-02-23 19:56:36,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 221 states have (on average 1.4751131221719458) internal successors, (326), 221 states have internal predecessors, (326), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-23 19:56:36,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 330 transitions. [2022-02-23 19:56:36,739 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 330 transitions. Word has length 45 [2022-02-23 19:56:36,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-23 19:56:36,739 INFO L470 AbstractCegarLoop]: Abstraction has 226 states and 330 transitions. [2022-02-23 19:56:36,739 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-23 19:56:36,739 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 330 transitions. [2022-02-23 19:56:36,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-02-23 19:56:36,741 INFO L506 BasicCegarLoop]: Found error trace [2022-02-23 19:56:36,741 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-23 19:56:36,741 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-23 19:56:36,741 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-23 19:56:36,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-23 19:56:36,741 INFO L85 PathProgramCache]: Analyzing trace with hash -1300196515, now seen corresponding path program 1 times [2022-02-23 19:56:36,742 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-23 19:56:36,742 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030758314] [2022-02-23 19:56:36,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 19:56:36,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-23 19:56:36,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:56:36,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-23 19:56:36,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:56:36,931 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-02-23 19:56:36,931 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-23 19:56:36,931 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030758314] [2022-02-23 19:56:36,932 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030758314] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-23 19:56:36,932 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-23 19:56:36,932 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-23 19:56:36,932 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053239193] [2022-02-23 19:56:36,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-23 19:56:36,932 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-23 19:56:36,932 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-23 19:56:36,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-23 19:56:36,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-23 19:56:36,933 INFO L87 Difference]: Start difference. First operand 226 states and 330 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-23 19:56:40,428 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 [] [2022-02-23 19:56:42,444 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 [] [2022-02-23 19:56:42,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-23 19:56:42,776 INFO L93 Difference]: Finished difference Result 261 states and 382 transitions. [2022-02-23 19:56:42,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-23 19:56:42,776 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 60 [2022-02-23 19:56:42,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-23 19:56:42,778 INFO L225 Difference]: With dead ends: 261 [2022-02-23 19:56:42,778 INFO L226 Difference]: Without dead ends: 261 [2022-02-23 19:56:42,778 INFO L932 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 [2022-02-23 19:56:42,779 INFO L933 BasicCegarLoop]: 200 mSDtfsCounter, 31 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 363 mSolverCounterSat, 8 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 363 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-02-23 19:56:42,779 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [31 Valid, 490 Invalid, 373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 363 Invalid, 2 Unknown, 0 Unchecked, 5.8s Time] [2022-02-23 19:56:42,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2022-02-23 19:56:42,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 244. [2022-02-23 19:56:42,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 239 states have (on average 1.4895397489539748) internal successors, (356), 239 states have internal predecessors, (356), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-23 19:56:42,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 360 transitions. [2022-02-23 19:56:42,788 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 360 transitions. Word has length 60 [2022-02-23 19:56:42,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-23 19:56:42,789 INFO L470 AbstractCegarLoop]: Abstraction has 244 states and 360 transitions. [2022-02-23 19:56:42,789 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-23 19:56:42,789 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 360 transitions. [2022-02-23 19:56:42,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-02-23 19:56:42,790 INFO L506 BasicCegarLoop]: Found error trace [2022-02-23 19:56:42,790 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-23 19:56:42,790 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-23 19:56:42,791 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-23 19:56:42,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-23 19:56:42,791 INFO L85 PathProgramCache]: Analyzing trace with hash 894178960, now seen corresponding path program 2 times [2022-02-23 19:56:42,791 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-23 19:56:42,791 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618640030] [2022-02-23 19:56:42,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 19:56:42,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-23 19:56:42,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:56:42,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-23 19:56:42,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:56:42,977 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-02-23 19:56:42,978 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-23 19:56:42,979 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618640030] [2022-02-23 19:56:42,979 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618640030] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-23 19:56:42,979 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-23 19:56:42,979 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-23 19:56:42,979 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379992086] [2022-02-23 19:56:42,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-23 19:56:42,980 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-23 19:56:42,980 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-23 19:56:42,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-23 19:56:42,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-23 19:56:42,981 INFO L87 Difference]: Start difference. First operand 244 states and 360 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-23 19:56:44,990 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 [] [2022-02-23 19:56:45,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-23 19:56:45,305 INFO L93 Difference]: Finished difference Result 260 states and 380 transitions. [2022-02-23 19:56:45,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-23 19:56:45,306 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 [2022-02-23 19:56:45,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-23 19:56:45,307 INFO L225 Difference]: With dead ends: 260 [2022-02-23 19:56:45,307 INFO L226 Difference]: Without dead ends: 260 [2022-02-23 19:56:45,307 INFO L932 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 [2022-02-23 19:56:45,308 INFO L933 BasicCegarLoop]: 200 mSDtfsCounter, 37 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 354 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 363 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 354 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-02-23 19:56:45,308 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [37 Valid, 490 Invalid, 363 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 354 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-02-23 19:56:45,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2022-02-23 19:56:45,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 244. [2022-02-23 19:56:45,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 239 states have (on average 1.4853556485355648) internal successors, (355), 239 states have internal predecessors, (355), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-23 19:56:45,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 359 transitions. [2022-02-23 19:56:45,315 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 359 transitions. Word has length 75 [2022-02-23 19:56:45,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-23 19:56:45,315 INFO L470 AbstractCegarLoop]: Abstraction has 244 states and 359 transitions. [2022-02-23 19:56:45,315 INFO L471 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) [2022-02-23 19:56:45,315 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 359 transitions. [2022-02-23 19:56:45,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-02-23 19:56:45,316 INFO L506 BasicCegarLoop]: Found error trace [2022-02-23 19:56:45,317 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-23 19:56:45,317 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-23 19:56:45,317 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-23 19:56:45,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-23 19:56:45,317 INFO L85 PathProgramCache]: Analyzing trace with hash -765124944, now seen corresponding path program 1 times [2022-02-23 19:56:45,317 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-23 19:56:45,318 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761410301] [2022-02-23 19:56:45,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 19:56:45,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-23 19:56:45,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:56:45,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-23 19:56:45,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:56:45,508 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-02-23 19:56:45,508 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-23 19:56:45,508 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761410301] [2022-02-23 19:56:45,508 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761410301] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-23 19:56:45,509 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-23 19:56:45,509 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-23 19:56:45,509 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159407832] [2022-02-23 19:56:45,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-23 19:56:45,510 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-23 19:56:45,510 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-23 19:56:45,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-23 19:56:45,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-23 19:56:45,510 INFO L87 Difference]: Start difference. First operand 244 states and 359 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-23 19:56:48,276 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-23 19:56:50,294 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-23 19:56:52,311 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 [] [2022-02-23 19:56:52,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-23 19:56:52,659 INFO L93 Difference]: Finished difference Result 429 states and 634 transitions. [2022-02-23 19:56:52,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-23 19:56:52,660 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 [2022-02-23 19:56:52,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-23 19:56:52,661 INFO L225 Difference]: With dead ends: 429 [2022-02-23 19:56:52,661 INFO L226 Difference]: Without dead ends: 429 [2022-02-23 19:56:52,661 INFO L932 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 [2022-02-23 19:56:52,662 INFO L933 BasicCegarLoop]: 99 mSDtfsCounter, 120 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 385 mSolverCounterSat, 46 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 385 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2022-02-23 19:56:52,662 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [120 Valid, 284 Invalid, 434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 385 Invalid, 3 Unknown, 0 Unchecked, 7.1s Time] [2022-02-23 19:56:52,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2022-02-23 19:56:52,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 268. [2022-02-23 19:56:52,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 263 states have (on average 1.4828897338403042) internal successors, (390), 263 states have internal predecessors, (390), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-23 19:56:52,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 394 transitions. [2022-02-23 19:56:52,670 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 394 transitions. Word has length 75 [2022-02-23 19:56:52,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-23 19:56:52,670 INFO L470 AbstractCegarLoop]: Abstraction has 268 states and 394 transitions. [2022-02-23 19:56:52,670 INFO L471 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) [2022-02-23 19:56:52,670 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 394 transitions. [2022-02-23 19:56:52,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-02-23 19:56:52,671 INFO L506 BasicCegarLoop]: Found error trace [2022-02-23 19:56:52,671 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-23 19:56:52,671 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-23 19:56:52,672 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-23 19:56:52,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-23 19:56:52,672 INFO L85 PathProgramCache]: Analyzing trace with hash 420689370, now seen corresponding path program 1 times [2022-02-23 19:56:52,672 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-23 19:56:52,672 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481425905] [2022-02-23 19:56:52,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 19:56:52,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-23 19:56:52,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:56:52,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-23 19:56:52,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:56:52,811 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-02-23 19:56:52,812 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-23 19:56:52,812 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481425905] [2022-02-23 19:56:52,813 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1481425905] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-23 19:56:52,813 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-23 19:56:52,814 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-23 19:56:52,814 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811109581] [2022-02-23 19:56:52,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-23 19:56:52,814 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-23 19:56:52,814 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-23 19:56:52,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-23 19:56:52,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-23 19:56:52,815 INFO L87 Difference]: Start difference. First operand 268 states and 394 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-23 19:56:54,464 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-23 19:56:56,481 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-23 19:56:58,501 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-23 19:57:00,520 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 [] [2022-02-23 19:57:00,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-23 19:57:00,886 INFO L93 Difference]: Finished difference Result 429 states and 631 transitions. [2022-02-23 19:57:00,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-23 19:57:00,887 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 [2022-02-23 19:57:00,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-23 19:57:00,888 INFO L225 Difference]: With dead ends: 429 [2022-02-23 19:57:00,888 INFO L226 Difference]: Without dead ends: 429 [2022-02-23 19:57:00,889 INFO L932 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 [2022-02-23 19:57:00,889 INFO L933 BasicCegarLoop]: 110 mSDtfsCounter, 118 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 397 mSolverCounterSat, 43 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 397 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2022-02-23 19:57:00,889 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [118 Valid, 306 Invalid, 443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 397 Invalid, 3 Unknown, 0 Unchecked, 8.1s Time] [2022-02-23 19:57:00,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2022-02-23 19:57:00,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 270. [2022-02-23 19:57:00,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 265 states have (on average 1.4754716981132074) internal successors, (391), 265 states have internal predecessors, (391), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-23 19:57:00,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 395 transitions. [2022-02-23 19:57:00,897 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 395 transitions. Word has length 76 [2022-02-23 19:57:00,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-23 19:57:00,898 INFO L470 AbstractCegarLoop]: Abstraction has 270 states and 395 transitions. [2022-02-23 19:57:00,898 INFO L471 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) [2022-02-23 19:57:00,898 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 395 transitions. [2022-02-23 19:57:00,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-02-23 19:57:00,899 INFO L506 BasicCegarLoop]: Found error trace [2022-02-23 19:57:00,899 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-23 19:57:00,899 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-23 19:57:00,899 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-23 19:57:00,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-23 19:57:00,899 INFO L85 PathProgramCache]: Analyzing trace with hash -70572812, now seen corresponding path program 1 times [2022-02-23 19:57:00,899 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-23 19:57:00,900 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615631331] [2022-02-23 19:57:00,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 19:57:00,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-23 19:57:00,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:57:01,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-23 19:57:01,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:57:01,071 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-02-23 19:57:01,071 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-23 19:57:01,071 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615631331] [2022-02-23 19:57:01,071 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [615631331] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-23 19:57:01,071 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-23 19:57:01,071 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-23 19:57:01,072 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298901877] [2022-02-23 19:57:01,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-23 19:57:01,072 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-23 19:57:01,072 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-23 19:57:01,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-23 19:57:01,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-23 19:57:01,073 INFO L87 Difference]: Start difference. First operand 270 states and 395 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-23 19:57:03,081 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 [] [2022-02-23 19:57:03,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-23 19:57:03,387 INFO L93 Difference]: Finished difference Result 286 states and 415 transitions. [2022-02-23 19:57:03,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-23 19:57:03,388 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 77 [2022-02-23 19:57:03,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-23 19:57:03,389 INFO L225 Difference]: With dead ends: 286 [2022-02-23 19:57:03,389 INFO L226 Difference]: Without dead ends: 286 [2022-02-23 19:57:03,389 INFO L932 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 [2022-02-23 19:57:03,390 INFO L933 BasicCegarLoop]: 197 mSDtfsCounter, 31 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 351 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 351 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-02-23 19:57:03,390 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [31 Valid, 484 Invalid, 360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 351 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-02-23 19:57:03,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2022-02-23 19:57:03,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 270. [2022-02-23 19:57:03,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 265 states have (on average 1.471698113207547) internal successors, (390), 265 states have internal predecessors, (390), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-23 19:57:03,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 394 transitions. [2022-02-23 19:57:03,395 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 394 transitions. Word has length 77 [2022-02-23 19:57:03,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-23 19:57:03,395 INFO L470 AbstractCegarLoop]: Abstraction has 270 states and 394 transitions. [2022-02-23 19:57:03,395 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-23 19:57:03,395 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 394 transitions. [2022-02-23 19:57:03,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-02-23 19:57:03,396 INFO L506 BasicCegarLoop]: Found error trace [2022-02-23 19:57:03,396 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-23 19:57:03,396 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-02-23 19:57:03,396 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-23 19:57:03,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-23 19:57:03,396 INFO L85 PathProgramCache]: Analyzing trace with hash -1362398755, now seen corresponding path program 1 times [2022-02-23 19:57:03,396 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-23 19:57:03,397 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882765771] [2022-02-23 19:57:03,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 19:57:03,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-23 19:57:03,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:57:03,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-23 19:57:03,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:57:03,530 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-02-23 19:57:03,530 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-23 19:57:03,531 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882765771] [2022-02-23 19:57:03,531 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882765771] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-23 19:57:03,531 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-23 19:57:03,531 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-23 19:57:03,531 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555372470] [2022-02-23 19:57:03,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-23 19:57:03,531 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-23 19:57:03,531 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-23 19:57:03,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-23 19:57:03,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-23 19:57:03,532 INFO L87 Difference]: Start difference. First operand 270 states and 394 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-23 19:57:05,540 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 [] [2022-02-23 19:57:05,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-23 19:57:05,912 INFO L93 Difference]: Finished difference Result 429 states and 627 transitions. [2022-02-23 19:57:05,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-23 19:57:05,913 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 78 [2022-02-23 19:57:05,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-23 19:57:05,915 INFO L225 Difference]: With dead ends: 429 [2022-02-23 19:57:05,915 INFO L226 Difference]: Without dead ends: 429 [2022-02-23 19:57:05,915 INFO L932 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 [2022-02-23 19:57:05,916 INFO L933 BasicCegarLoop]: 99 mSDtfsCounter, 115 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 384 mSolverCounterSat, 46 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 384 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-02-23 19:57:05,916 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [115 Valid, 284 Invalid, 431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 384 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-02-23 19:57:05,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2022-02-23 19:57:05,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 274. [2022-02-23 19:57:05,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 269 states have (on average 1.4684014869888475) internal successors, (395), 269 states have internal predecessors, (395), 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) [2022-02-23 19:57:05,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 399 transitions. [2022-02-23 19:57:05,924 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 399 transitions. Word has length 78 [2022-02-23 19:57:05,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-23 19:57:05,924 INFO L470 AbstractCegarLoop]: Abstraction has 274 states and 399 transitions. [2022-02-23 19:57:05,925 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-23 19:57:05,925 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 399 transitions. [2022-02-23 19:57:05,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-02-23 19:57:05,926 INFO L506 BasicCegarLoop]: Found error trace [2022-02-23 19:57:05,926 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-23 19:57:05,926 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-02-23 19:57:05,926 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-23 19:57:05,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-23 19:57:05,926 INFO L85 PathProgramCache]: Analyzing trace with hash -1733724060, now seen corresponding path program 1 times [2022-02-23 19:57:05,927 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-23 19:57:05,927 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360312114] [2022-02-23 19:57:05,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 19:57:05,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-23 19:57:06,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:57:06,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-23 19:57:06,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:57:06,078 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-02-23 19:57:06,079 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-23 19:57:06,079 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360312114] [2022-02-23 19:57:06,079 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360312114] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-23 19:57:06,079 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-23 19:57:06,079 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-23 19:57:06,079 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524379826] [2022-02-23 19:57:06,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-23 19:57:06,080 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-23 19:57:06,080 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-23 19:57:06,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-23 19:57:06,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-23 19:57:06,081 INFO L87 Difference]: Start difference. First operand 274 states and 399 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-23 19:57:07,952 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-23 19:57:09,981 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-23 19:57:11,997 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-23 19:57:12,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-23 19:57:12,354 INFO L93 Difference]: Finished difference Result 411 states and 598 transitions. [2022-02-23 19:57:12,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-23 19:57:12,355 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 78 [2022-02-23 19:57:12,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-23 19:57:12,356 INFO L225 Difference]: With dead ends: 411 [2022-02-23 19:57:12,356 INFO L226 Difference]: Without dead ends: 411 [2022-02-23 19:57:12,356 INFO L932 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 [2022-02-23 19:57:12,357 INFO L933 BasicCegarLoop]: 319 mSDtfsCounter, 128 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 344 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 483 SdHoareTripleChecker+Invalid, 353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 344 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-02-23 19:57:12,357 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [128 Valid, 483 Invalid, 353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 344 Invalid, 2 Unknown, 0 Unchecked, 6.3s Time] [2022-02-23 19:57:12,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2022-02-23 19:57:12,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 411. [2022-02-23 19:57:12,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 406 states have (on average 1.4630541871921183) internal successors, (594), 406 states have internal predecessors, (594), 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) [2022-02-23 19:57:12,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 598 transitions. [2022-02-23 19:57:12,364 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 598 transitions. Word has length 78 [2022-02-23 19:57:12,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-23 19:57:12,364 INFO L470 AbstractCegarLoop]: Abstraction has 411 states and 598 transitions. [2022-02-23 19:57:12,364 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-23 19:57:12,364 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 598 transitions. [2022-02-23 19:57:12,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-02-23 19:57:12,365 INFO L506 BasicCegarLoop]: Found error trace [2022-02-23 19:57:12,365 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-23 19:57:12,365 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-02-23 19:57:12,365 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-23 19:57:12,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-23 19:57:12,365 INFO L85 PathProgramCache]: Analyzing trace with hash -1702704253, now seen corresponding path program 1 times [2022-02-23 19:57:12,365 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-23 19:57:12,365 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735727999] [2022-02-23 19:57:12,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 19:57:12,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-23 19:57:12,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:57:12,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-23 19:57:12,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:57:12,478 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-02-23 19:57:12,478 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-23 19:57:12,478 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735727999] [2022-02-23 19:57:12,478 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [735727999] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-23 19:57:12,478 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-23 19:57:12,479 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-23 19:57:12,479 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85779956] [2022-02-23 19:57:12,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-23 19:57:12,481 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-23 19:57:12,481 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-23 19:57:12,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-23 19:57:12,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-23 19:57:12,485 INFO L87 Difference]: Start difference. First operand 411 states and 598 transitions. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-23 19:57:14,493 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 [] [2022-02-23 19:57:14,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-23 19:57:14,751 INFO L93 Difference]: Finished difference Result 435 states and 630 transitions. [2022-02-23 19:57:14,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-23 19:57:14,752 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 78 [2022-02-23 19:57:14,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-23 19:57:14,753 INFO L225 Difference]: With dead ends: 435 [2022-02-23 19:57:14,753 INFO L226 Difference]: Without dead ends: 435 [2022-02-23 19:57:14,753 INFO L932 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 [2022-02-23 19:57:14,754 INFO L933 BasicCegarLoop]: 199 mSDtfsCounter, 15 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 363 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-02-23 19:57:14,754 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 363 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 215 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-02-23 19:57:14,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2022-02-23 19:57:14,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 435. [2022-02-23 19:57:14,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 435 states, 430 states have (on average 1.455813953488372) internal successors, (626), 430 states have internal predecessors, (626), 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) [2022-02-23 19:57:14,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 630 transitions. [2022-02-23 19:57:14,761 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 630 transitions. Word has length 78 [2022-02-23 19:57:14,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-23 19:57:14,761 INFO L470 AbstractCegarLoop]: Abstraction has 435 states and 630 transitions. [2022-02-23 19:57:14,761 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-23 19:57:14,761 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 630 transitions. [2022-02-23 19:57:14,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-02-23 19:57:14,762 INFO L506 BasicCegarLoop]: Found error trace [2022-02-23 19:57:14,762 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-23 19:57:14,762 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-02-23 19:57:14,762 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-23 19:57:14,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-23 19:57:14,762 INFO L85 PathProgramCache]: Analyzing trace with hash -283396127, now seen corresponding path program 1 times [2022-02-23 19:57:14,763 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-23 19:57:14,763 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101571456] [2022-02-23 19:57:14,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 19:57:14,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-23 19:57:14,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:57:14,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-23 19:57:14,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:57:14,894 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-02-23 19:57:14,894 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-23 19:57:14,894 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101571456] [2022-02-23 19:57:14,894 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101571456] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-23 19:57:14,894 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-23 19:57:14,895 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-23 19:57:14,895 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017072336] [2022-02-23 19:57:14,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-23 19:57:14,895 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-23 19:57:14,895 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-23 19:57:14,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-23 19:57:14,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-23 19:57:14,896 INFO L87 Difference]: Start difference. First operand 435 states and 630 transitions. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-23 19:57:16,821 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-23 19:57:18,846 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-23 19:57:20,863 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-23 19:57:21,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-23 19:57:21,222 INFO L93 Difference]: Finished difference Result 571 states and 828 transitions. [2022-02-23 19:57:21,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-23 19:57:21,223 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 98 [2022-02-23 19:57:21,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-23 19:57:21,225 INFO L225 Difference]: With dead ends: 571 [2022-02-23 19:57:21,225 INFO L226 Difference]: Without dead ends: 571 [2022-02-23 19:57:21,225 INFO L932 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 [2022-02-23 19:57:21,226 INFO L933 BasicCegarLoop]: 318 mSDtfsCounter, 128 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 343 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 482 SdHoareTripleChecker+Invalid, 352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 343 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-02-23 19:57:21,226 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [128 Valid, 482 Invalid, 352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 343 Invalid, 2 Unknown, 0 Unchecked, 6.3s Time] [2022-02-23 19:57:21,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 571 states. [2022-02-23 19:57:21,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 571 to 571. [2022-02-23 19:57:21,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 571 states, 566 states have (on average 1.4558303886925794) internal successors, (824), 566 states have internal predecessors, (824), 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) [2022-02-23 19:57:21,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 828 transitions. [2022-02-23 19:57:21,234 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 828 transitions. Word has length 98 [2022-02-23 19:57:21,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-23 19:57:21,235 INFO L470 AbstractCegarLoop]: Abstraction has 571 states and 828 transitions. [2022-02-23 19:57:21,235 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-23 19:57:21,235 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 828 transitions. [2022-02-23 19:57:21,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-02-23 19:57:21,236 INFO L506 BasicCegarLoop]: Found error trace [2022-02-23 19:57:21,236 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-23 19:57:21,236 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-02-23 19:57:21,236 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-23 19:57:21,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-23 19:57:21,237 INFO L85 PathProgramCache]: Analyzing trace with hash -1286229179, now seen corresponding path program 1 times [2022-02-23 19:57:21,237 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-23 19:57:21,237 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653060565] [2022-02-23 19:57:21,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 19:57:21,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-23 19:57:21,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:57:21,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-23 19:57:21,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:57:21,384 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2022-02-23 19:57:21,384 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-23 19:57:21,384 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653060565] [2022-02-23 19:57:21,384 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653060565] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-23 19:57:21,385 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-23 19:57:21,385 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-23 19:57:21,385 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281105479] [2022-02-23 19:57:21,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-23 19:57:21,385 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-23 19:57:21,385 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-23 19:57:21,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-23 19:57:21,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-23 19:57:21,386 INFO L87 Difference]: Start difference. First operand 571 states and 828 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 states have internal predecessors, (77), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-23 19:57:22,726 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-23 19:57:24,746 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-23 19:57:26,769 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 [] [2022-02-23 19:57:27,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-23 19:57:27,115 INFO L93 Difference]: Finished difference Result 706 states and 1024 transitions. [2022-02-23 19:57:27,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-23 19:57:27,116 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 states have internal predecessors, (77), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 119 [2022-02-23 19:57:27,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-23 19:57:27,118 INFO L225 Difference]: With dead ends: 706 [2022-02-23 19:57:27,118 INFO L226 Difference]: Without dead ends: 706 [2022-02-23 19:57:27,118 INFO L932 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 [2022-02-23 19:57:27,118 INFO L933 BasicCegarLoop]: 316 mSDtfsCounter, 126 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 341 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 480 SdHoareTripleChecker+Invalid, 350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 341 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2022-02-23 19:57:27,119 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [126 Valid, 480 Invalid, 350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 341 Invalid, 2 Unknown, 0 Unchecked, 5.7s Time] [2022-02-23 19:57:27,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 706 states. [2022-02-23 19:57:27,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 706 to 706. [2022-02-23 19:57:27,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 706 states, 701 states have (on average 1.4550641940085591) internal successors, (1020), 701 states have internal predecessors, (1020), 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) [2022-02-23 19:57:27,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 706 states and 1024 transitions. [2022-02-23 19:57:27,128 INFO L78 Accepts]: Start accepts. Automaton has 706 states and 1024 transitions. Word has length 119 [2022-02-23 19:57:27,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-23 19:57:27,128 INFO L470 AbstractCegarLoop]: Abstraction has 706 states and 1024 transitions. [2022-02-23 19:57:27,128 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 states have internal predecessors, (77), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-23 19:57:27,128 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states and 1024 transitions. [2022-02-23 19:57:27,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-02-23 19:57:27,130 INFO L506 BasicCegarLoop]: Found error trace [2022-02-23 19:57:27,130 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-23 19:57:27,130 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-02-23 19:57:27,130 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-23 19:57:27,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-23 19:57:27,130 INFO L85 PathProgramCache]: Analyzing trace with hash -768225432, now seen corresponding path program 1 times [2022-02-23 19:57:27,131 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-23 19:57:27,131 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634174443] [2022-02-23 19:57:27,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 19:57:27,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-23 19:57:27,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:57:27,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-23 19:57:27,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:57:27,263 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 153 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2022-02-23 19:57:27,263 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-23 19:57:27,263 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634174443] [2022-02-23 19:57:27,263 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [634174443] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-23 19:57:27,264 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-23 19:57:27,264 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-23 19:57:27,264 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578117999] [2022-02-23 19:57:27,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-23 19:57:27,264 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-23 19:57:27,264 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-23 19:57:27,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-23 19:57:27,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-23 19:57:27,265 INFO L87 Difference]: Start difference. First operand 706 states and 1024 transitions. Second operand has 5 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-23 19:57:29,272 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 [] [2022-02-23 19:57:29,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-23 19:57:29,635 INFO L93 Difference]: Finished difference Result 1169 states and 1691 transitions. [2022-02-23 19:57:29,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-23 19:57:29,636 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 1 states have call successors, (3), 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 145 [2022-02-23 19:57:29,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-23 19:57:29,639 INFO L225 Difference]: With dead ends: 1169 [2022-02-23 19:57:29,639 INFO L226 Difference]: Without dead ends: 1169 [2022-02-23 19:57:29,639 INFO L932 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 [2022-02-23 19:57:29,639 INFO L933 BasicCegarLoop]: 100 mSDtfsCounter, 110 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 387 mSolverCounterSat, 43 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 387 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-02-23 19:57:29,639 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [110 Valid, 286 Invalid, 431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 387 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-02-23 19:57:29,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1169 states. [2022-02-23 19:57:29,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1169 to 811. [2022-02-23 19:57:29,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 811 states, 806 states have (on average 1.4640198511166254) internal successors, (1180), 806 states have internal predecessors, (1180), 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) [2022-02-23 19:57:29,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 1184 transitions. [2022-02-23 19:57:29,652 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 1184 transitions. Word has length 145 [2022-02-23 19:57:29,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-23 19:57:29,652 INFO L470 AbstractCegarLoop]: Abstraction has 811 states and 1184 transitions. [2022-02-23 19:57:29,652 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-23 19:57:29,652 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 1184 transitions. [2022-02-23 19:57:29,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-02-23 19:57:29,654 INFO L506 BasicCegarLoop]: Found error trace [2022-02-23 19:57:29,654 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-23 19:57:29,654 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-02-23 19:57:29,654 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-23 19:57:29,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-23 19:57:29,654 INFO L85 PathProgramCache]: Analyzing trace with hash -1738516439, now seen corresponding path program 1 times [2022-02-23 19:57:29,654 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-23 19:57:29,654 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141036696] [2022-02-23 19:57:29,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 19:57:29,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-23 19:57:29,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:57:29,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-23 19:57:29,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:57:29,780 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2022-02-23 19:57:29,780 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-23 19:57:29,780 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141036696] [2022-02-23 19:57:29,780 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2141036696] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-23 19:57:29,780 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-23 19:57:29,780 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-23 19:57:29,780 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184713124] [2022-02-23 19:57:29,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-23 19:57:29,780 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-23 19:57:29,780 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-23 19:57:29,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-23 19:57:29,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-23 19:57:29,781 INFO L87 Difference]: Start difference. First operand 811 states and 1184 transitions. Second operand has 5 states, 5 states have (on average 20.6) internal successors, (103), 4 states have internal predecessors, (103), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-23 19:57:31,789 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 [] [2022-02-23 19:57:32,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-23 19:57:32,137 INFO L93 Difference]: Finished difference Result 1022 states and 1471 transitions. [2022-02-23 19:57:32,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-23 19:57:32,138 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 4 states have internal predecessors, (103), 1 states have call successors, (3), 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 145 [2022-02-23 19:57:32,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-23 19:57:32,140 INFO L225 Difference]: With dead ends: 1022 [2022-02-23 19:57:32,141 INFO L226 Difference]: Without dead ends: 1022 [2022-02-23 19:57:32,141 INFO L932 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 [2022-02-23 19:57:32,141 INFO L933 BasicCegarLoop]: 216 mSDtfsCounter, 45 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 410 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 523 SdHoareTripleChecker+Invalid, 419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 410 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-02-23 19:57:32,141 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [45 Valid, 523 Invalid, 419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 410 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-02-23 19:57:32,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1022 states. [2022-02-23 19:57:32,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1022 to 907. [2022-02-23 19:57:32,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 907 states, 902 states have (on average 1.476718403547672) internal successors, (1332), 902 states have internal predecessors, (1332), 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) [2022-02-23 19:57:32,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 907 states and 1336 transitions. [2022-02-23 19:57:32,154 INFO L78 Accepts]: Start accepts. Automaton has 907 states and 1336 transitions. Word has length 145 [2022-02-23 19:57:32,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-23 19:57:32,154 INFO L470 AbstractCegarLoop]: Abstraction has 907 states and 1336 transitions. [2022-02-23 19:57:32,154 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 4 states have internal predecessors, (103), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-23 19:57:32,154 INFO L276 IsEmpty]: Start isEmpty. Operand 907 states and 1336 transitions. [2022-02-23 19:57:32,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-02-23 19:57:32,156 INFO L506 BasicCegarLoop]: Found error trace [2022-02-23 19:57:32,156 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-23 19:57:32,156 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-02-23 19:57:32,156 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-23 19:57:32,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-23 19:57:32,157 INFO L85 PathProgramCache]: Analyzing trace with hash -431686358, now seen corresponding path program 2 times [2022-02-23 19:57:32,157 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-23 19:57:32,157 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43137567] [2022-02-23 19:57:32,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 19:57:32,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-23 19:57:32,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:57:32,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-23 19:57:32,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:57:32,310 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 166 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-02-23 19:57:32,310 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-23 19:57:32,310 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43137567] [2022-02-23 19:57:32,310 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43137567] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-23 19:57:32,310 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-23 19:57:32,311 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-23 19:57:32,311 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227054926] [2022-02-23 19:57:32,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-23 19:57:32,311 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-23 19:57:32,311 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-23 19:57:32,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-23 19:57:32,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-23 19:57:32,311 INFO L87 Difference]: Start difference. First operand 907 states and 1336 transitions. Second operand has 5 states, 5 states have (on average 20.0) internal successors, (100), 4 states have internal predecessors, (100), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-23 19:57:34,320 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 [] [2022-02-23 19:57:34,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-23 19:57:34,641 INFO L93 Difference]: Finished difference Result 1285 states and 1874 transitions. [2022-02-23 19:57:34,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-23 19:57:34,642 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 4 states have internal predecessors, (100), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 160 [2022-02-23 19:57:34,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-23 19:57:34,645 INFO L225 Difference]: With dead ends: 1285 [2022-02-23 19:57:34,645 INFO L226 Difference]: Without dead ends: 1285 [2022-02-23 19:57:34,645 INFO L932 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 [2022-02-23 19:57:34,645 INFO L933 BasicCegarLoop]: 106 mSDtfsCounter, 110 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 381 mSolverCounterSat, 43 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 381 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-02-23 19:57:34,646 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [110 Valid, 302 Invalid, 425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 381 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-02-23 19:57:34,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1285 states. [2022-02-23 19:57:34,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1285 to 907. [2022-02-23 19:57:34,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 907 states, 902 states have (on average 1.4611973392461197) internal successors, (1318), 902 states have internal predecessors, (1318), 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) [2022-02-23 19:57:34,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 907 states and 1322 transitions. [2022-02-23 19:57:34,658 INFO L78 Accepts]: Start accepts. Automaton has 907 states and 1322 transitions. Word has length 160 [2022-02-23 19:57:34,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-23 19:57:34,658 INFO L470 AbstractCegarLoop]: Abstraction has 907 states and 1322 transitions. [2022-02-23 19:57:34,658 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 4 states have internal predecessors, (100), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-23 19:57:34,658 INFO L276 IsEmpty]: Start isEmpty. Operand 907 states and 1322 transitions. [2022-02-23 19:57:34,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2022-02-23 19:57:34,660 INFO L506 BasicCegarLoop]: Found error trace [2022-02-23 19:57:34,660 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-23 19:57:34,660 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-02-23 19:57:34,660 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-23 19:57:34,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-23 19:57:34,661 INFO L85 PathProgramCache]: Analyzing trace with hash 1903781070, now seen corresponding path program 1 times [2022-02-23 19:57:34,661 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-23 19:57:34,661 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906059820] [2022-02-23 19:57:34,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 19:57:34,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-23 19:57:34,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:57:34,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-23 19:57:34,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:57:34,807 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-02-23 19:57:34,807 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-23 19:57:34,807 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906059820] [2022-02-23 19:57:34,808 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906059820] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-23 19:57:34,808 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-23 19:57:34,808 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-23 19:57:34,808 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107539934] [2022-02-23 19:57:34,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-23 19:57:34,809 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-23 19:57:34,809 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-23 19:57:34,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-23 19:57:34,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-23 19:57:34,809 INFO L87 Difference]: Start difference. First operand 907 states and 1322 transitions. Second operand has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-23 19:57:36,823 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-23 19:57:37,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-23 19:57:37,138 INFO L93 Difference]: Finished difference Result 1286 states and 1861 transitions. [2022-02-23 19:57:37,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-23 19:57:37,139 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 162 [2022-02-23 19:57:37,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-23 19:57:37,144 INFO L225 Difference]: With dead ends: 1286 [2022-02-23 19:57:37,144 INFO L226 Difference]: Without dead ends: 1286 [2022-02-23 19:57:37,144 INFO L932 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 [2022-02-23 19:57:37,145 INFO L933 BasicCegarLoop]: 99 mSDtfsCounter, 115 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 384 mSolverCounterSat, 46 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 284 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 [2022-02-23 19:57:37,145 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [115 Valid, 284 Invalid, 431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 384 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-02-23 19:57:37,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1286 states. [2022-02-23 19:57:37,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1286 to 907. [2022-02-23 19:57:37,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 907 states, 902 states have (on average 1.4456762749445675) internal successors, (1304), 902 states have internal predecessors, (1304), 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) [2022-02-23 19:57:37,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 907 states and 1308 transitions. [2022-02-23 19:57:37,158 INFO L78 Accepts]: Start accepts. Automaton has 907 states and 1308 transitions. Word has length 162 [2022-02-23 19:57:37,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-23 19:57:37,158 INFO L470 AbstractCegarLoop]: Abstraction has 907 states and 1308 transitions. [2022-02-23 19:57:37,158 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-23 19:57:37,159 INFO L276 IsEmpty]: Start isEmpty. Operand 907 states and 1308 transitions. [2022-02-23 19:57:37,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-02-23 19:57:37,160 INFO L506 BasicCegarLoop]: Found error trace [2022-02-23 19:57:37,160 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-23 19:57:37,160 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-02-23 19:57:37,160 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-23 19:57:37,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-23 19:57:37,161 INFO L85 PathProgramCache]: Analyzing trace with hash -1242164081, now seen corresponding path program 1 times [2022-02-23 19:57:37,161 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-23 19:57:37,161 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592848707] [2022-02-23 19:57:37,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 19:57:37,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-23 19:57:37,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:57:37,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-23 19:57:37,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:57:37,334 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 229 proven. 1 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2022-02-23 19:57:37,334 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-23 19:57:37,335 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592848707] [2022-02-23 19:57:37,335 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1592848707] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-23 19:57:37,335 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1647934036] [2022-02-23 19:57:37,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 19:57:37,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-23 19:57:37,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-23 19:57:37,336 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) [2022-02-23 19:57:37,359 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-02-23 19:57:37,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:57:37,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 1463 conjuncts, 23 conjunts are in the unsatisfiable core [2022-02-23 19:57:37,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-23 19:57:38,119 INFO L356 Elim1Store]: treesize reduction 54, result has 44.3 percent of original size [2022-02-23 19:57:38,120 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 [2022-02-23 19:57:38,128 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 [2022-02-23 19:57:38,134 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 [2022-02-23 19:57:38,152 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 [2022-02-23 19:57:38,299 INFO L356 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-02-23 19:57:38,299 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 45 treesize of output 21 [2022-02-23 19:57:38,307 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 [2022-02-23 19:57:38,323 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 [2022-02-23 19:57:38,354 INFO L356 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-02-23 19:57:38,354 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 [2022-02-23 19:57:38,432 INFO L356 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-02-23 19:57:38,432 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 [2022-02-23 19:57:38,465 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 [2022-02-23 19:57:38,524 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 195 proven. 40 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-02-23 19:57:38,524 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-23 19:57:38,593 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 [2022-02-23 19:57:38,776 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 201 proven. 8 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2022-02-23 19:57:38,777 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1647934036] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-23 19:57:38,777 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-23 19:57:38,777 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 7] total 14 [2022-02-23 19:57:38,777 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179624714] [2022-02-23 19:57:38,777 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-23 19:57:38,778 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-02-23 19:57:38,778 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-23 19:57:38,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-02-23 19:57:38,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2022-02-23 19:57:38,778 INFO L87 Difference]: Start difference. First operand 907 states and 1308 transitions. Second operand has 14 states, 14 states have (on average 12.357142857142858) internal successors, (173), 13 states have internal predecessors, (173), 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) [2022-02-23 19:57:41,701 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 [] [2022-02-23 19:57:43,719 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-23 19:57:45,741 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-23 19:57:47,759 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-23 19:57:50,498 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-23 19:57:52,522 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-23 19:57:54,545 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-23 19:57:56,564 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-23 19:57:58,586 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-23 19:58:00,602 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-23 19:58:02,630 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-23 19:58:04,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-23 19:58:04,992 INFO L93 Difference]: Finished difference Result 3065 states and 4355 transitions. [2022-02-23 19:58:04,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-23 19:58:04,992 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 12.357142857142858) internal successors, (173), 13 states have internal predecessors, (173), 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 163 [2022-02-23 19:58:04,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-23 19:58:04,999 INFO L225 Difference]: With dead ends: 3065 [2022-02-23 19:58:04,999 INFO L226 Difference]: Without dead ends: 3065 [2022-02-23 19:58:05,000 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 366 GetRequests, 331 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 230 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=252, Invalid=1080, Unknown=0, NotChecked=0, Total=1332 [2022-02-23 19:58:05,000 INFO L933 BasicCegarLoop]: 246 mSDtfsCounter, 789 mSDsluCounter, 2264 mSDsCounter, 0 mSdLazyCounter, 2519 mSolverCounterSat, 231 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 789 SdHoareTripleChecker+Valid, 2510 SdHoareTripleChecker+Invalid, 2761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 231 IncrementalHoareTripleChecker+Valid, 2519 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.9s IncrementalHoareTripleChecker+Time [2022-02-23 19:58:05,000 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [789 Valid, 2510 Invalid, 2761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [231 Valid, 2519 Invalid, 11 Unknown, 0 Unchecked, 25.9s Time] [2022-02-23 19:58:05,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3065 states. [2022-02-23 19:58:05,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3065 to 1671. [2022-02-23 19:58:05,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1671 states, 1666 states have (on average 1.4663865546218486) internal successors, (2443), 1666 states have internal predecessors, (2443), 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) [2022-02-23 19:58:05,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1671 states to 1671 states and 2447 transitions. [2022-02-23 19:58:05,031 INFO L78 Accepts]: Start accepts. Automaton has 1671 states and 2447 transitions. Word has length 163 [2022-02-23 19:58:05,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-23 19:58:05,031 INFO L470 AbstractCegarLoop]: Abstraction has 1671 states and 2447 transitions. [2022-02-23 19:58:05,031 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 12.357142857142858) internal successors, (173), 13 states have internal predecessors, (173), 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) [2022-02-23 19:58:05,031 INFO L276 IsEmpty]: Start isEmpty. Operand 1671 states and 2447 transitions. [2022-02-23 19:58:05,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-02-23 19:58:05,033 INFO L506 BasicCegarLoop]: Found error trace [2022-02-23 19:58:05,034 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-23 19:58:05,057 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-02-23 19:58:05,243 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-02-23 19:58:05,243 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-23 19:58:05,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-23 19:58:05,244 INFO L85 PathProgramCache]: Analyzing trace with hash 711127101, now seen corresponding path program 1 times [2022-02-23 19:58:05,244 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-23 19:58:05,244 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045701309] [2022-02-23 19:58:05,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 19:58:05,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-23 19:58:05,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:58:05,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-23 19:58:05,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:58:05,381 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 206 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2022-02-23 19:58:05,381 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-23 19:58:05,381 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045701309] [2022-02-23 19:58:05,382 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045701309] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-23 19:58:05,382 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-23 19:58:05,382 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-23 19:58:05,382 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432736991] [2022-02-23 19:58:05,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-23 19:58:05,382 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-23 19:58:05,382 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-23 19:58:05,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-23 19:58:05,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-23 19:58:05,383 INFO L87 Difference]: Start difference. First operand 1671 states and 2447 transitions. Second operand has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-23 19:58:07,395 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 [] [2022-02-23 19:58:07,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-23 19:58:07,711 INFO L93 Difference]: Finished difference Result 1787 states and 2570 transitions. [2022-02-23 19:58:07,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-23 19:58:07,711 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 165 [2022-02-23 19:58:07,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-23 19:58:07,715 INFO L225 Difference]: With dead ends: 1787 [2022-02-23 19:58:07,715 INFO L226 Difference]: Without dead ends: 1787 [2022-02-23 19:58:07,716 INFO L932 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 [2022-02-23 19:58:07,716 INFO L933 BasicCegarLoop]: 203 mSDtfsCounter, 35 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 363 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 497 SdHoareTripleChecker+Invalid, 369 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 363 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-02-23 19:58:07,716 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 497 Invalid, 369 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 363 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-02-23 19:58:07,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1787 states. [2022-02-23 19:58:07,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1787 to 1671. [2022-02-23 19:58:07,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1671 states, 1666 states have (on average 1.4615846338535414) internal successors, (2435), 1666 states have internal predecessors, (2435), 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) [2022-02-23 19:58:07,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1671 states to 1671 states and 2439 transitions. [2022-02-23 19:58:07,737 INFO L78 Accepts]: Start accepts. Automaton has 1671 states and 2439 transitions. Word has length 165 [2022-02-23 19:58:07,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-23 19:58:07,737 INFO L470 AbstractCegarLoop]: Abstraction has 1671 states and 2439 transitions. [2022-02-23 19:58:07,737 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-23 19:58:07,737 INFO L276 IsEmpty]: Start isEmpty. Operand 1671 states and 2439 transitions. [2022-02-23 19:58:07,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-02-23 19:58:07,739 INFO L506 BasicCegarLoop]: Found error trace [2022-02-23 19:58:07,740 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 4, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-23 19:58:07,740 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-02-23 19:58:07,740 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-23 19:58:07,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-23 19:58:07,740 INFO L85 PathProgramCache]: Analyzing trace with hash -1737330566, now seen corresponding path program 1 times [2022-02-23 19:58:07,740 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-23 19:58:07,740 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606671062] [2022-02-23 19:58:07,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 19:58:07,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-23 19:58:07,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:58:07,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-23 19:58:07,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:58:07,886 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 211 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2022-02-23 19:58:07,886 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-23 19:58:07,886 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606671062] [2022-02-23 19:58:07,886 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606671062] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-23 19:58:07,886 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-23 19:58:07,886 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-23 19:58:07,886 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798125369] [2022-02-23 19:58:07,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-23 19:58:07,888 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-23 19:58:07,888 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-23 19:58:07,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-23 19:58:07,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-23 19:58:07,888 INFO L87 Difference]: Start difference. First operand 1671 states and 2439 transitions. Second operand has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-23 19:58:09,904 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 [] [2022-02-23 19:58:10,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-23 19:58:10,245 INFO L93 Difference]: Finished difference Result 2247 states and 3235 transitions. [2022-02-23 19:58:10,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-23 19:58:10,247 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 165 [2022-02-23 19:58:10,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-23 19:58:10,252 INFO L225 Difference]: With dead ends: 2247 [2022-02-23 19:58:10,252 INFO L226 Difference]: Without dead ends: 2247 [2022-02-23 19:58:10,252 INFO L932 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 [2022-02-23 19:58:10,253 INFO L933 BasicCegarLoop]: 99 mSDtfsCounter, 107 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 384 mSolverCounterSat, 46 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 284 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 [2022-02-23 19:58:10,253 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [107 Valid, 284 Invalid, 431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 384 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-02-23 19:58:10,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2247 states. [2022-02-23 19:58:10,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2247 to 1671. [2022-02-23 19:58:10,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1671 states, 1666 states have (on average 1.45078031212485) internal successors, (2417), 1666 states have internal predecessors, (2417), 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) [2022-02-23 19:58:10,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1671 states to 1671 states and 2421 transitions. [2022-02-23 19:58:10,273 INFO L78 Accepts]: Start accepts. Automaton has 1671 states and 2421 transitions. Word has length 165 [2022-02-23 19:58:10,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-23 19:58:10,273 INFO L470 AbstractCegarLoop]: Abstraction has 1671 states and 2421 transitions. [2022-02-23 19:58:10,273 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-23 19:58:10,273 INFO L276 IsEmpty]: Start isEmpty. Operand 1671 states and 2421 transitions. [2022-02-23 19:58:10,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2022-02-23 19:58:10,276 INFO L506 BasicCegarLoop]: Found error trace [2022-02-23 19:58:10,276 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-23 19:58:10,276 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-02-23 19:58:10,276 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-23 19:58:10,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-23 19:58:10,276 INFO L85 PathProgramCache]: Analyzing trace with hash 895050319, now seen corresponding path program 1 times [2022-02-23 19:58:10,276 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-23 19:58:10,276 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730066604] [2022-02-23 19:58:10,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 19:58:10,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-23 19:58:10,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:58:10,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-23 19:58:10,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:58:10,427 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2022-02-23 19:58:10,427 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-23 19:58:10,427 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730066604] [2022-02-23 19:58:10,428 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [730066604] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-23 19:58:10,428 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-23 19:58:10,428 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-23 19:58:10,428 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473483787] [2022-02-23 19:58:10,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-23 19:58:10,428 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-23 19:58:10,428 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-23 19:58:10,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-23 19:58:10,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-23 19:58:10,429 INFO L87 Difference]: Start difference. First operand 1671 states and 2421 transitions. Second operand has 5 states, 5 states have (on average 18.4) internal successors, (92), 4 states have internal predecessors, (92), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-23 19:58:12,437 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 [] [2022-02-23 19:58:12,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-23 19:58:12,772 INFO L93 Difference]: Finished difference Result 2241 states and 3219 transitions. [2022-02-23 19:58:12,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-23 19:58:12,772 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 4 states have internal predecessors, (92), 1 states have call successors, (3), 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 168 [2022-02-23 19:58:12,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-23 19:58:12,777 INFO L225 Difference]: With dead ends: 2241 [2022-02-23 19:58:12,777 INFO L226 Difference]: Without dead ends: 2241 [2022-02-23 19:58:12,777 INFO L932 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 [2022-02-23 19:58:12,778 INFO L933 BasicCegarLoop]: 99 mSDtfsCounter, 103 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 384 mSolverCounterSat, 45 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 384 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-02-23 19:58:12,778 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [103 Valid, 284 Invalid, 430 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 384 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-02-23 19:58:12,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2241 states. [2022-02-23 19:58:12,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2241 to 1681. [2022-02-23 19:58:12,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1681 states, 1676 states have (on average 1.448090692124105) internal successors, (2427), 1676 states have internal predecessors, (2427), 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) [2022-02-23 19:58:12,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1681 states to 1681 states and 2431 transitions. [2022-02-23 19:58:12,796 INFO L78 Accepts]: Start accepts. Automaton has 1681 states and 2431 transitions. Word has length 168 [2022-02-23 19:58:12,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-23 19:58:12,796 INFO L470 AbstractCegarLoop]: Abstraction has 1681 states and 2431 transitions. [2022-02-23 19:58:12,796 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 4 states have internal predecessors, (92), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-23 19:58:12,796 INFO L276 IsEmpty]: Start isEmpty. Operand 1681 states and 2431 transitions. [2022-02-23 19:58:12,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2022-02-23 19:58:12,798 INFO L506 BasicCegarLoop]: Found error trace [2022-02-23 19:58:12,799 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-23 19:58:12,799 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-02-23 19:58:12,799 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-23 19:58:12,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-23 19:58:12,799 INFO L85 PathProgramCache]: Analyzing trace with hash -575385625, now seen corresponding path program 1 times [2022-02-23 19:58:12,799 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-23 19:58:12,799 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189517] [2022-02-23 19:58:12,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 19:58:12,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-23 19:58:12,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:58:12,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-23 19:58:12,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:58:12,955 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 213 proven. 0 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2022-02-23 19:58:12,956 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-23 19:58:12,956 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189517] [2022-02-23 19:58:12,956 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189517] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-23 19:58:12,956 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-23 19:58:12,956 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-23 19:58:12,956 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314308269] [2022-02-23 19:58:12,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-23 19:58:12,957 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-23 19:58:12,958 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-23 19:58:12,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-23 19:58:12,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-23 19:58:12,958 INFO L87 Difference]: Start difference. First operand 1681 states and 2431 transitions. Second operand has 5 states, 5 states have (on average 22.4) internal successors, (112), 4 states have internal predecessors, (112), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-23 19:58:14,972 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 [] [2022-02-23 19:58:15,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-23 19:58:15,365 INFO L93 Difference]: Finished difference Result 2265 states and 3259 transitions. [2022-02-23 19:58:15,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-23 19:58:15,365 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.4) internal successors, (112), 4 states have internal predecessors, (112), 1 states have call successors, (3), 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 [2022-02-23 19:58:15,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-23 19:58:15,370 INFO L225 Difference]: With dead ends: 2265 [2022-02-23 19:58:15,370 INFO L226 Difference]: Without dead ends: 2265 [2022-02-23 19:58:15,370 INFO L932 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 [2022-02-23 19:58:15,371 INFO L933 BasicCegarLoop]: 223 mSDtfsCounter, 73 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 499 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 538 SdHoareTripleChecker+Invalid, 507 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 499 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-02-23 19:58:15,371 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [73 Valid, 538 Invalid, 507 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 499 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-02-23 19:58:15,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2265 states. [2022-02-23 19:58:15,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2265 to 1865. [2022-02-23 19:58:15,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1865 states, 1860 states have (on average 1.4381720430107527) internal successors, (2675), 1860 states have internal predecessors, (2675), 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) [2022-02-23 19:58:15,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1865 states to 1865 states and 2679 transitions. [2022-02-23 19:58:15,390 INFO L78 Accepts]: Start accepts. Automaton has 1865 states and 2679 transitions. Word has length 188 [2022-02-23 19:58:15,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-23 19:58:15,391 INFO L470 AbstractCegarLoop]: Abstraction has 1865 states and 2679 transitions. [2022-02-23 19:58:15,391 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.4) internal successors, (112), 4 states have internal predecessors, (112), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-23 19:58:15,391 INFO L276 IsEmpty]: Start isEmpty. Operand 1865 states and 2679 transitions. [2022-02-23 19:58:15,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2022-02-23 19:58:15,394 INFO L506 BasicCegarLoop]: Found error trace [2022-02-23 19:58:15,394 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-23 19:58:15,394 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-02-23 19:58:15,394 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-23 19:58:15,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-23 19:58:15,394 INFO L85 PathProgramCache]: Analyzing trace with hash 2018841192, now seen corresponding path program 1 times [2022-02-23 19:58:15,394 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-23 19:58:15,394 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116716821] [2022-02-23 19:58:15,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 19:58:15,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-23 19:58:15,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:58:15,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-23 19:58:15,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:58:15,553 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 213 proven. 0 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2022-02-23 19:58:15,553 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-23 19:58:15,553 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116716821] [2022-02-23 19:58:15,554 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116716821] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-23 19:58:15,554 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-23 19:58:15,554 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-23 19:58:15,554 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595881146] [2022-02-23 19:58:15,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-23 19:58:15,555 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-23 19:58:15,555 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-23 19:58:15,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-23 19:58:15,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-23 19:58:15,555 INFO L87 Difference]: Start difference. First operand 1865 states and 2679 transitions. Second operand has 5 states, 5 states have (on average 22.4) internal successors, (112), 4 states have internal predecessors, (112), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-23 19:58:17,563 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 [] [2022-02-23 19:58:17,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-23 19:58:17,904 INFO L93 Difference]: Finished difference Result 2675 states and 3799 transitions. [2022-02-23 19:58:17,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-23 19:58:17,906 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.4) internal successors, (112), 4 states have internal predecessors, (112), 1 states have call successors, (3), 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 [2022-02-23 19:58:17,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-23 19:58:17,912 INFO L225 Difference]: With dead ends: 2675 [2022-02-23 19:58:17,912 INFO L226 Difference]: Without dead ends: 2675 [2022-02-23 19:58:17,912 INFO L932 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 [2022-02-23 19:58:17,912 INFO L933 BasicCegarLoop]: 100 mSDtfsCounter, 105 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 43 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 386 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-02-23 19:58:17,913 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [105 Valid, 286 Invalid, 430 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 386 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-02-23 19:58:17,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2675 states. [2022-02-23 19:58:17,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2675 to 1901. [2022-02-23 19:58:17,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1901 states, 1896 states have (on average 1.4340717299578059) internal successors, (2719), 1896 states have internal predecessors, (2719), 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) [2022-02-23 19:58:17,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1901 states to 1901 states and 2723 transitions. [2022-02-23 19:58:17,933 INFO L78 Accepts]: Start accepts. Automaton has 1901 states and 2723 transitions. Word has length 188 [2022-02-23 19:58:17,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-23 19:58:17,933 INFO L470 AbstractCegarLoop]: Abstraction has 1901 states and 2723 transitions. [2022-02-23 19:58:17,933 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.4) internal successors, (112), 4 states have internal predecessors, (112), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-23 19:58:17,933 INFO L276 IsEmpty]: Start isEmpty. Operand 1901 states and 2723 transitions. [2022-02-23 19:58:17,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2022-02-23 19:58:17,936 INFO L506 BasicCegarLoop]: Found error trace [2022-02-23 19:58:17,936 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 5, 5, 4, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-23 19:58:17,936 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-02-23 19:58:17,936 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-23 19:58:17,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-23 19:58:17,937 INFO L85 PathProgramCache]: Analyzing trace with hash 273643671, now seen corresponding path program 1 times [2022-02-23 19:58:17,937 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-23 19:58:17,937 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557686083] [2022-02-23 19:58:17,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 19:58:17,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-23 19:58:18,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:58:18,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-23 19:58:18,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:58:18,086 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 216 proven. 0 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2022-02-23 19:58:18,086 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-23 19:58:18,086 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557686083] [2022-02-23 19:58:18,086 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557686083] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-23 19:58:18,086 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-23 19:58:18,086 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-23 19:58:18,086 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457483619] [2022-02-23 19:58:18,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-23 19:58:18,087 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-23 19:58:18,087 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-23 19:58:18,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-23 19:58:18,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-23 19:58:18,087 INFO L87 Difference]: Start difference. First operand 1901 states and 2723 transitions. Second operand has 5 states, 5 states have (on average 22.6) internal successors, (113), 4 states have internal predecessors, (113), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-23 19:58:20,097 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 [] [2022-02-23 19:58:20,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-23 19:58:20,473 INFO L93 Difference]: Finished difference Result 2461 states and 3517 transitions. [2022-02-23 19:58:20,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-23 19:58:20,473 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.6) internal successors, (113), 4 states have internal predecessors, (113), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 189 [2022-02-23 19:58:20,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-23 19:58:20,479 INFO L225 Difference]: With dead ends: 2461 [2022-02-23 19:58:20,479 INFO L226 Difference]: Without dead ends: 2461 [2022-02-23 19:58:20,479 INFO L932 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 [2022-02-23 19:58:20,479 INFO L933 BasicCegarLoop]: 219 mSDtfsCounter, 68 mSDsluCounter, 311 mSDsCounter, 0 mSdLazyCounter, 491 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 530 SdHoareTripleChecker+Invalid, 499 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 491 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-02-23 19:58:20,479 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [68 Valid, 530 Invalid, 499 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 491 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-02-23 19:58:20,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2461 states. [2022-02-23 19:58:20,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2461 to 2093. [2022-02-23 19:58:20,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2093 states, 2088 states have (on average 1.424808429118774) internal successors, (2975), 2088 states have internal predecessors, (2975), 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) [2022-02-23 19:58:20,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2093 states to 2093 states and 2979 transitions. [2022-02-23 19:58:20,498 INFO L78 Accepts]: Start accepts. Automaton has 2093 states and 2979 transitions. Word has length 189 [2022-02-23 19:58:20,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-23 19:58:20,499 INFO L470 AbstractCegarLoop]: Abstraction has 2093 states and 2979 transitions. [2022-02-23 19:58:20,499 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.6) internal successors, (113), 4 states have internal predecessors, (113), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-23 19:58:20,499 INFO L276 IsEmpty]: Start isEmpty. Operand 2093 states and 2979 transitions. [2022-02-23 19:58:20,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2022-02-23 19:58:20,502 INFO L506 BasicCegarLoop]: Found error trace [2022-02-23 19:58:20,502 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 5, 5, 4, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-23 19:58:20,502 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-02-23 19:58:20,502 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-23 19:58:20,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-23 19:58:20,505 INFO L85 PathProgramCache]: Analyzing trace with hash -909703626, now seen corresponding path program 1 times [2022-02-23 19:58:20,505 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-23 19:58:20,505 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878925425] [2022-02-23 19:58:20,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 19:58:20,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-23 19:58:20,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:58:20,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-23 19:58:20,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:58:20,655 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 216 proven. 0 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2022-02-23 19:58:20,655 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-23 19:58:20,655 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878925425] [2022-02-23 19:58:20,655 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878925425] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-23 19:58:20,655 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-23 19:58:20,655 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-23 19:58:20,655 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007177537] [2022-02-23 19:58:20,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-23 19:58:20,655 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-23 19:58:20,656 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-23 19:58:20,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-23 19:58:20,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-23 19:58:20,656 INFO L87 Difference]: Start difference. First operand 2093 states and 2979 transitions. Second operand has 5 states, 5 states have (on average 22.6) internal successors, (113), 4 states have internal predecessors, (113), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-23 19:58:22,663 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 [] [2022-02-23 19:58:23,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-23 19:58:23,005 INFO L93 Difference]: Finished difference Result 2653 states and 3749 transitions. [2022-02-23 19:58:23,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-23 19:58:23,006 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.6) internal successors, (113), 4 states have internal predecessors, (113), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 189 [2022-02-23 19:58:23,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-23 19:58:23,009 INFO L225 Difference]: With dead ends: 2653 [2022-02-23 19:58:23,010 INFO L226 Difference]: Without dead ends: 2653 [2022-02-23 19:58:23,010 INFO L932 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 [2022-02-23 19:58:23,010 INFO L933 BasicCegarLoop]: 105 mSDtfsCounter, 104 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 390 mSolverCounterSat, 44 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 390 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-02-23 19:58:23,010 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [104 Valid, 296 Invalid, 435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 390 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-02-23 19:58:23,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2653 states. [2022-02-23 19:58:23,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2653 to 1901. [2022-02-23 19:58:23,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1901 states, 1896 states have (on average 1.4245780590717299) internal successors, (2701), 1896 states have internal predecessors, (2701), 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) [2022-02-23 19:58:23,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1901 states to 1901 states and 2705 transitions. [2022-02-23 19:58:23,028 INFO L78 Accepts]: Start accepts. Automaton has 1901 states and 2705 transitions. Word has length 189 [2022-02-23 19:58:23,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-23 19:58:23,028 INFO L470 AbstractCegarLoop]: Abstraction has 1901 states and 2705 transitions. [2022-02-23 19:58:23,028 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.6) internal successors, (113), 4 states have internal predecessors, (113), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-23 19:58:23,029 INFO L276 IsEmpty]: Start isEmpty. Operand 1901 states and 2705 transitions. [2022-02-23 19:58:23,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2022-02-23 19:58:23,031 INFO L506 BasicCegarLoop]: Found error trace [2022-02-23 19:58:23,031 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 5, 5, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-23 19:58:23,031 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-02-23 19:58:23,032 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-23 19:58:23,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-23 19:58:23,032 INFO L85 PathProgramCache]: Analyzing trace with hash -1067906419, now seen corresponding path program 1 times [2022-02-23 19:58:23,032 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-23 19:58:23,032 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957001525] [2022-02-23 19:58:23,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 19:58:23,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-23 19:58:23,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:58:23,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-23 19:58:23,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:58:23,203 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 217 proven. 0 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2022-02-23 19:58:23,203 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-23 19:58:23,203 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957001525] [2022-02-23 19:58:23,203 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1957001525] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-23 19:58:23,203 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-23 19:58:23,203 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-23 19:58:23,204 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405912450] [2022-02-23 19:58:23,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-23 19:58:23,204 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-23 19:58:23,204 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-23 19:58:23,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-23 19:58:23,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-23 19:58:23,204 INFO L87 Difference]: Start difference. First operand 1901 states and 2705 transitions. Second operand has 5 states, 5 states have (on average 25.6) internal successors, (128), 4 states have internal predecessors, (128), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-23 19:58:25,213 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 [] [2022-02-23 19:58:25,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-23 19:58:25,546 INFO L93 Difference]: Finished difference Result 2731 states and 3833 transitions. [2022-02-23 19:58:25,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-23 19:58:25,546 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.6) internal successors, (128), 4 states have internal predecessors, (128), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 204 [2022-02-23 19:58:25,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-23 19:58:25,549 INFO L225 Difference]: With dead ends: 2731 [2022-02-23 19:58:25,550 INFO L226 Difference]: Without dead ends: 2731 [2022-02-23 19:58:25,550 INFO L932 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 [2022-02-23 19:58:25,550 INFO L933 BasicCegarLoop]: 105 mSDtfsCounter, 90 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 395 mSolverCounterSat, 38 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 395 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-02-23 19:58:25,550 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [90 Valid, 296 Invalid, 434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 395 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-02-23 19:58:25,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2731 states. [2022-02-23 19:58:25,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2731 to 2281. [2022-02-23 19:58:25,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2281 states, 2276 states have (on average 1.4327768014059754) internal successors, (3261), 2276 states have internal predecessors, (3261), 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) [2022-02-23 19:58:25,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2281 states to 2281 states and 3265 transitions. [2022-02-23 19:58:25,569 INFO L78 Accepts]: Start accepts. Automaton has 2281 states and 3265 transitions. Word has length 204 [2022-02-23 19:58:25,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-23 19:58:25,569 INFO L470 AbstractCegarLoop]: Abstraction has 2281 states and 3265 transitions. [2022-02-23 19:58:25,569 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.6) internal successors, (128), 4 states have internal predecessors, (128), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-23 19:58:25,569 INFO L276 IsEmpty]: Start isEmpty. Operand 2281 states and 3265 transitions. [2022-02-23 19:58:25,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2022-02-23 19:58:25,572 INFO L506 BasicCegarLoop]: Found error trace [2022-02-23 19:58:25,572 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 5, 5, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-23 19:58:25,573 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-02-23 19:58:25,573 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-23 19:58:25,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-23 19:58:25,573 INFO L85 PathProgramCache]: Analyzing trace with hash -414762930, now seen corresponding path program 1 times [2022-02-23 19:58:25,573 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-23 19:58:25,573 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98635708] [2022-02-23 19:58:25,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 19:58:25,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-23 19:58:25,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:58:25,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-23 19:58:25,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:58:25,757 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 217 proven. 0 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2022-02-23 19:58:25,757 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-23 19:58:25,757 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98635708] [2022-02-23 19:58:25,757 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98635708] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-23 19:58:25,757 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-23 19:58:25,757 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-23 19:58:25,757 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801916202] [2022-02-23 19:58:25,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-23 19:58:25,758 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-23 19:58:25,758 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-23 19:58:25,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-23 19:58:25,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-23 19:58:25,758 INFO L87 Difference]: Start difference. First operand 2281 states and 3265 transitions. Second operand has 5 states, 5 states have (on average 25.6) internal successors, (128), 4 states have internal predecessors, (128), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-23 19:58:27,766 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 [] [2022-02-23 19:58:28,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-23 19:58:28,120 INFO L93 Difference]: Finished difference Result 2841 states and 4043 transitions. [2022-02-23 19:58:28,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-23 19:58:28,120 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.6) internal successors, (128), 4 states have internal predecessors, (128), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 204 [2022-02-23 19:58:28,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-23 19:58:28,124 INFO L225 Difference]: With dead ends: 2841 [2022-02-23 19:58:28,124 INFO L226 Difference]: Without dead ends: 2841 [2022-02-23 19:58:28,125 INFO L932 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 [2022-02-23 19:58:28,125 INFO L933 BasicCegarLoop]: 105 mSDtfsCounter, 88 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 390 mSolverCounterSat, 44 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 390 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-02-23 19:58:28,125 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [88 Valid, 296 Invalid, 435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 390 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-02-23 19:58:28,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2841 states. [2022-02-23 19:58:28,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2841 to 2411. [2022-02-23 19:58:28,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2411 states, 2406 states have (on average 1.4592684954280963) internal successors, (3511), 2406 states have internal predecessors, (3511), 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) [2022-02-23 19:58:28,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2411 states to 2411 states and 3515 transitions. [2022-02-23 19:58:28,144 INFO L78 Accepts]: Start accepts. Automaton has 2411 states and 3515 transitions. Word has length 204 [2022-02-23 19:58:28,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-23 19:58:28,145 INFO L470 AbstractCegarLoop]: Abstraction has 2411 states and 3515 transitions. [2022-02-23 19:58:28,145 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.6) internal successors, (128), 4 states have internal predecessors, (128), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-23 19:58:28,145 INFO L276 IsEmpty]: Start isEmpty. Operand 2411 states and 3515 transitions. [2022-02-23 19:58:28,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2022-02-23 19:58:28,148 INFO L506 BasicCegarLoop]: Found error trace [2022-02-23 19:58:28,148 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 5, 5, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-23 19:58:28,148 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-02-23 19:58:28,149 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-23 19:58:28,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-23 19:58:28,149 INFO L85 PathProgramCache]: Analyzing trace with hash -1678788067, now seen corresponding path program 1 times [2022-02-23 19:58:28,149 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-23 19:58:28,149 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590546516] [2022-02-23 19:58:28,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 19:58:28,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-23 19:58:28,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:58:28,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-23 19:58:28,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:58:28,331 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 217 proven. 0 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2022-02-23 19:58:28,331 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-23 19:58:28,331 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590546516] [2022-02-23 19:58:28,331 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590546516] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-23 19:58:28,331 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-23 19:58:28,331 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-23 19:58:28,332 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319032827] [2022-02-23 19:58:28,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-23 19:58:28,332 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-23 19:58:28,332 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-23 19:58:28,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-23 19:58:28,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-23 19:58:28,337 INFO L87 Difference]: Start difference. First operand 2411 states and 3515 transitions. Second operand has 5 states, 5 states have (on average 25.8) internal successors, (129), 4 states have internal predecessors, (129), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-23 19:58:29,807 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-23 19:58:31,831 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-23 19:58:33,444 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-23 19:58:35,469 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 [] [2022-02-23 19:58:35,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-23 19:58:35,810 INFO L93 Difference]: Finished difference Result 2831 states and 4023 transitions. [2022-02-23 19:58:35,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-23 19:58:35,811 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.8) internal successors, (129), 4 states have internal predecessors, (129), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 205 [2022-02-23 19:58:35,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-23 19:58:35,815 INFO L225 Difference]: With dead ends: 2831 [2022-02-23 19:58:35,815 INFO L226 Difference]: Without dead ends: 2831 [2022-02-23 19:58:35,815 INFO L932 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 [2022-02-23 19:58:35,815 INFO L933 BasicCegarLoop]: 106 mSDtfsCounter, 85 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 390 mSolverCounterSat, 44 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 390 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2022-02-23 19:58:35,816 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [85 Valid, 298 Invalid, 436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 390 Invalid, 2 Unknown, 0 Unchecked, 7.5s Time] [2022-02-23 19:58:35,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2831 states. [2022-02-23 19:58:35,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2831 to 2421. [2022-02-23 19:58:35,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2421 states, 2416 states have (on average 1.4573675496688743) internal successors, (3521), 2416 states have internal predecessors, (3521), 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) [2022-02-23 19:58:35,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2421 states to 2421 states and 3525 transitions. [2022-02-23 19:58:35,854 INFO L78 Accepts]: Start accepts. Automaton has 2421 states and 3525 transitions. Word has length 205 [2022-02-23 19:58:35,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-23 19:58:35,854 INFO L470 AbstractCegarLoop]: Abstraction has 2421 states and 3525 transitions. [2022-02-23 19:58:35,854 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.8) internal successors, (129), 4 states have internal predecessors, (129), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-23 19:58:35,854 INFO L276 IsEmpty]: Start isEmpty. Operand 2421 states and 3525 transitions. [2022-02-23 19:58:35,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2022-02-23 19:58:35,857 INFO L506 BasicCegarLoop]: Found error trace [2022-02-23 19:58:35,858 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 5, 5, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-23 19:58:35,858 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-02-23 19:58:35,858 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-23 19:58:35,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-23 19:58:35,858 INFO L85 PathProgramCache]: Analyzing trace with hash -1826088165, now seen corresponding path program 1 times [2022-02-23 19:58:35,858 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-23 19:58:35,858 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024895783] [2022-02-23 19:58:35,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 19:58:35,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-23 19:58:35,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:58:36,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-23 19:58:36,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:58:36,039 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 217 proven. 0 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2022-02-23 19:58:36,039 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-23 19:58:36,039 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024895783] [2022-02-23 19:58:36,039 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024895783] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-23 19:58:36,039 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-23 19:58:36,039 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-23 19:58:36,039 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914978892] [2022-02-23 19:58:36,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-23 19:58:36,040 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-23 19:58:36,040 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-23 19:58:36,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-23 19:58:36,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-23 19:58:36,041 INFO L87 Difference]: Start difference. First operand 2421 states and 3525 transitions. Second operand has 5 states, 5 states have (on average 25.8) internal successors, (129), 4 states have internal predecessors, (129), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-23 19:58:38,049 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 [] [2022-02-23 19:58:38,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-23 19:58:38,374 INFO L93 Difference]: Finished difference Result 2757 states and 3959 transitions. [2022-02-23 19:58:38,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-23 19:58:38,374 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.8) internal successors, (129), 4 states have internal predecessors, (129), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 205 [2022-02-23 19:58:38,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-23 19:58:38,378 INFO L225 Difference]: With dead ends: 2757 [2022-02-23 19:58:38,378 INFO L226 Difference]: Without dead ends: 2757 [2022-02-23 19:58:38,379 INFO L932 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 [2022-02-23 19:58:38,379 INFO L933 BasicCegarLoop]: 197 mSDtfsCounter, 26 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 486 SdHoareTripleChecker+Invalid, 392 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 386 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-02-23 19:58:38,379 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [26 Valid, 486 Invalid, 392 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 386 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-02-23 19:58:38,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2757 states. [2022-02-23 19:58:38,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2757 to 2653. [2022-02-23 19:58:38,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2653 states, 2648 states have (on average 1.4475075528700907) internal successors, (3833), 2648 states have internal predecessors, (3833), 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) [2022-02-23 19:58:38,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2653 states to 2653 states and 3837 transitions. [2022-02-23 19:58:38,401 INFO L78 Accepts]: Start accepts. Automaton has 2653 states and 3837 transitions. Word has length 205 [2022-02-23 19:58:38,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-23 19:58:38,402 INFO L470 AbstractCegarLoop]: Abstraction has 2653 states and 3837 transitions. [2022-02-23 19:58:38,402 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.8) internal successors, (129), 4 states have internal predecessors, (129), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-23 19:58:38,402 INFO L276 IsEmpty]: Start isEmpty. Operand 2653 states and 3837 transitions. [2022-02-23 19:58:38,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2022-02-23 19:58:38,405 INFO L506 BasicCegarLoop]: Found error trace [2022-02-23 19:58:38,405 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 5, 5, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-23 19:58:38,405 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-02-23 19:58:38,405 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-23 19:58:38,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-23 19:58:38,406 INFO L85 PathProgramCache]: Analyzing trace with hash 661031610, now seen corresponding path program 1 times [2022-02-23 19:58:38,406 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-23 19:58:38,406 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576379222] [2022-02-23 19:58:38,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 19:58:38,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-23 19:58:38,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:58:38,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-23 19:58:38,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:58:38,603 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 217 proven. 0 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2022-02-23 19:58:38,603 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-23 19:58:38,603 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576379222] [2022-02-23 19:58:38,603 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576379222] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-23 19:58:38,603 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-23 19:58:38,603 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-23 19:58:38,603 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995510990] [2022-02-23 19:58:38,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-23 19:58:38,603 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-23 19:58:38,604 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-23 19:58:38,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-23 19:58:38,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-23 19:58:38,604 INFO L87 Difference]: Start difference. First operand 2653 states and 3837 transitions. Second operand has 5 states, 5 states have (on average 25.8) internal successors, (129), 4 states have internal predecessors, (129), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-23 19:58:40,612 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 [] [2022-02-23 19:58:40,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-23 19:58:40,928 INFO L93 Difference]: Finished difference Result 3129 states and 4482 transitions. [2022-02-23 19:58:40,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-23 19:58:40,928 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.8) internal successors, (129), 4 states have internal predecessors, (129), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 205 [2022-02-23 19:58:40,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-23 19:58:40,946 INFO L225 Difference]: With dead ends: 3129 [2022-02-23 19:58:40,946 INFO L226 Difference]: Without dead ends: 3129 [2022-02-23 19:58:40,947 INFO L932 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 [2022-02-23 19:58:40,947 INFO L933 BasicCegarLoop]: 203 mSDtfsCounter, 32 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 413 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 498 SdHoareTripleChecker+Invalid, 420 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 413 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-02-23 19:58:40,947 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [32 Valid, 498 Invalid, 420 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 413 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-02-23 19:58:40,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3129 states. [2022-02-23 19:58:40,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3129 to 2973. [2022-02-23 19:58:40,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2973 states, 2968 states have (on average 1.4464285714285714) internal successors, (4293), 2968 states have internal predecessors, (4293), 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) [2022-02-23 19:58:40,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2973 states to 2973 states and 4297 transitions. [2022-02-23 19:58:40,972 INFO L78 Accepts]: Start accepts. Automaton has 2973 states and 4297 transitions. Word has length 205 [2022-02-23 19:58:40,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-23 19:58:40,972 INFO L470 AbstractCegarLoop]: Abstraction has 2973 states and 4297 transitions. [2022-02-23 19:58:40,972 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.8) internal successors, (129), 4 states have internal predecessors, (129), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-23 19:58:40,972 INFO L276 IsEmpty]: Start isEmpty. Operand 2973 states and 4297 transitions. [2022-02-23 19:58:40,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2022-02-23 19:58:40,986 INFO L506 BasicCegarLoop]: Found error trace [2022-02-23 19:58:40,986 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 7, 6, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-23 19:58:40,987 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-02-23 19:58:40,987 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-23 19:58:40,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-23 19:58:40,987 INFO L85 PathProgramCache]: Analyzing trace with hash -579543184, now seen corresponding path program 1 times [2022-02-23 19:58:40,987 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-23 19:58:40,987 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890253769] [2022-02-23 19:58:40,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 19:58:40,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-23 19:58:41,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:58:41,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-23 19:58:41,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:58:41,154 INFO L134 CoverageAnalysis]: Checked inductivity of 556 backedges. 242 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2022-02-23 19:58:41,154 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-23 19:58:41,154 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890253769] [2022-02-23 19:58:41,154 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1890253769] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-23 19:58:41,154 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-23 19:58:41,154 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-23 19:58:41,154 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021939878] [2022-02-23 19:58:41,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-23 19:58:41,154 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-23 19:58:41,155 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-23 19:58:41,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-23 19:58:41,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-23 19:58:41,155 INFO L87 Difference]: Start difference. First operand 2973 states and 4297 transitions. Second operand has 5 states, 5 states have (on average 26.0) internal successors, (130), 4 states have internal predecessors, (130), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-23 19:58:42,856 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-23 19:58:44,881 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-23 19:58:46,902 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-23 19:58:48,921 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 [] [2022-02-23 19:58:49,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-23 19:58:49,212 INFO L93 Difference]: Finished difference Result 3032 states and 4359 transitions. [2022-02-23 19:58:49,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-23 19:58:49,213 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.0) internal successors, (130), 4 states have internal predecessors, (130), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 224 [2022-02-23 19:58:49,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-23 19:58:49,217 INFO L225 Difference]: With dead ends: 3032 [2022-02-23 19:58:49,217 INFO L226 Difference]: Without dead ends: 3032 [2022-02-23 19:58:49,217 INFO L932 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 [2022-02-23 19:58:49,218 INFO L933 BasicCegarLoop]: 189 mSDtfsCounter, 25 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 341 mSolverCounterSat, 5 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 471 SdHoareTripleChecker+Invalid, 349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 341 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2022-02-23 19:58:49,218 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [25 Valid, 471 Invalid, 349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 341 Invalid, 3 Unknown, 0 Unchecked, 8.0s Time] [2022-02-23 19:58:49,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3032 states. [2022-02-23 19:58:49,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3032 to 2973. [2022-02-23 19:58:49,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2973 states, 2968 states have (on average 1.4447439353099731) internal successors, (4288), 2968 states have internal predecessors, (4288), 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) [2022-02-23 19:58:49,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2973 states to 2973 states and 4292 transitions. [2022-02-23 19:58:49,241 INFO L78 Accepts]: Start accepts. Automaton has 2973 states and 4292 transitions. Word has length 224 [2022-02-23 19:58:49,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-23 19:58:49,242 INFO L470 AbstractCegarLoop]: Abstraction has 2973 states and 4292 transitions. [2022-02-23 19:58:49,242 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.0) internal successors, (130), 4 states have internal predecessors, (130), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-23 19:58:49,242 INFO L276 IsEmpty]: Start isEmpty. Operand 2973 states and 4292 transitions. [2022-02-23 19:58:49,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2022-02-23 19:58:49,245 INFO L506 BasicCegarLoop]: Found error trace [2022-02-23 19:58:49,245 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 8, 7, 5, 5, 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] [2022-02-23 19:58:49,245 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-02-23 19:58:49,246 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-23 19:58:49,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-23 19:58:49,246 INFO L85 PathProgramCache]: Analyzing trace with hash 148358284, now seen corresponding path program 1 times [2022-02-23 19:58:49,246 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-23 19:58:49,246 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115079829] [2022-02-23 19:58:49,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 19:58:49,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-23 19:58:49,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:58:49,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-23 19:58:49,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:58:49,438 INFO L134 CoverageAnalysis]: Checked inductivity of 686 backedges. 416 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2022-02-23 19:58:49,438 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-23 19:58:49,438 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115079829] [2022-02-23 19:58:49,438 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2115079829] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-23 19:58:49,438 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-23 19:58:49,438 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-23 19:58:49,438 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634157375] [2022-02-23 19:58:49,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-23 19:58:49,439 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-23 19:58:49,439 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-23 19:58:49,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-23 19:58:49,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-23 19:58:49,439 INFO L87 Difference]: Start difference. First operand 2973 states and 4292 transitions. Second operand has 5 states, 5 states have (on average 23.8) internal successors, (119), 4 states have internal predecessors, (119), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-23 19:58:51,448 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 [] [2022-02-23 19:58:51,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-23 19:58:51,721 INFO L93 Difference]: Finished difference Result 3045 states and 4368 transitions. [2022-02-23 19:58:51,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-23 19:58:51,721 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.8) internal successors, (119), 4 states have internal predecessors, (119), 1 states have call successors, (3), 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 225 [2022-02-23 19:58:51,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-23 19:58:51,725 INFO L225 Difference]: With dead ends: 3045 [2022-02-23 19:58:51,725 INFO L226 Difference]: Without dead ends: 3045 [2022-02-23 19:58:51,725 INFO L932 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 [2022-02-23 19:58:51,726 INFO L933 BasicCegarLoop]: 194 mSDtfsCounter, 30 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 480 SdHoareTripleChecker+Invalid, 375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 369 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-02-23 19:58:51,726 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [30 Valid, 480 Invalid, 375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 369 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-02-23 19:58:51,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3045 states. [2022-02-23 19:58:51,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3045 to 2973. [2022-02-23 19:58:51,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2973 states, 2968 states have (on average 1.4420485175202156) internal successors, (4280), 2968 states have internal predecessors, (4280), 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) [2022-02-23 19:58:51,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2973 states to 2973 states and 4284 transitions. [2022-02-23 19:58:51,770 INFO L78 Accepts]: Start accepts. Automaton has 2973 states and 4284 transitions. Word has length 225 [2022-02-23 19:58:51,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-23 19:58:51,770 INFO L470 AbstractCegarLoop]: Abstraction has 2973 states and 4284 transitions. [2022-02-23 19:58:51,770 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.8) internal successors, (119), 4 states have internal predecessors, (119), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-23 19:58:51,770 INFO L276 IsEmpty]: Start isEmpty. Operand 2973 states and 4284 transitions. [2022-02-23 19:58:51,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2022-02-23 19:58:51,773 INFO L506 BasicCegarLoop]: Found error trace [2022-02-23 19:58:51,774 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 8, 7, 5, 5, 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] [2022-02-23 19:58:51,774 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-02-23 19:58:51,774 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-23 19:58:51,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-23 19:58:51,775 INFO L85 PathProgramCache]: Analyzing trace with hash 931737259, now seen corresponding path program 1 times [2022-02-23 19:58:51,775 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-23 19:58:51,775 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121158942] [2022-02-23 19:58:51,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 19:58:51,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-23 19:58:51,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:58:51,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-23 19:58:51,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:58:51,958 INFO L134 CoverageAnalysis]: Checked inductivity of 686 backedges. 416 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2022-02-23 19:58:51,959 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-23 19:58:51,959 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121158942] [2022-02-23 19:58:51,959 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121158942] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-23 19:58:51,959 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-23 19:58:51,959 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-23 19:58:51,959 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370634484] [2022-02-23 19:58:51,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-23 19:58:51,959 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-23 19:58:51,959 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-23 19:58:51,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-23 19:58:51,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-23 19:58:51,960 INFO L87 Difference]: Start difference. First operand 2973 states and 4284 transitions. Second operand has 5 states, 5 states have (on average 23.8) internal successors, (119), 4 states have internal predecessors, (119), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-23 19:58:54,898 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-23 19:58:55,974 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-23 19:58:57,987 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 [] [2022-02-23 19:58:58,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-23 19:58:58,277 INFO L93 Difference]: Finished difference Result 3089 states and 4412 transitions. [2022-02-23 19:58:58,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-23 19:58:58,277 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.8) internal successors, (119), 4 states have internal predecessors, (119), 1 states have call successors, (3), 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 225 [2022-02-23 19:58:58,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-23 19:58:58,280 INFO L225 Difference]: With dead ends: 3089 [2022-02-23 19:58:58,280 INFO L226 Difference]: Without dead ends: 3089 [2022-02-23 19:58:58,280 INFO L932 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 [2022-02-23 19:58:58,280 INFO L933 BasicCegarLoop]: 200 mSDtfsCounter, 40 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 398 mSolverCounterSat, 6 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 398 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-02-23 19:58:58,280 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [40 Valid, 492 Invalid, 406 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 398 Invalid, 2 Unknown, 0 Unchecked, 6.3s Time] [2022-02-23 19:58:58,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3089 states. [2022-02-23 19:58:58,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3089 to 2973. [2022-02-23 19:58:58,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2973 states, 2968 states have (on average 1.4386792452830188) internal successors, (4270), 2968 states have internal predecessors, (4270), 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) [2022-02-23 19:58:58,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2973 states to 2973 states and 4274 transitions. [2022-02-23 19:58:58,316 INFO L78 Accepts]: Start accepts. Automaton has 2973 states and 4274 transitions. Word has length 225 [2022-02-23 19:58:58,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-23 19:58:58,317 INFO L470 AbstractCegarLoop]: Abstraction has 2973 states and 4274 transitions. [2022-02-23 19:58:58,317 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.8) internal successors, (119), 4 states have internal predecessors, (119), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-23 19:58:58,317 INFO L276 IsEmpty]: Start isEmpty. Operand 2973 states and 4274 transitions. [2022-02-23 19:58:58,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2022-02-23 19:58:58,336 INFO L506 BasicCegarLoop]: Found error trace [2022-02-23 19:58:58,336 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 7, 7, 6, 6, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-23 19:58:58,336 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-02-23 19:58:58,336 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-23 19:58:58,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-23 19:58:58,337 INFO L85 PathProgramCache]: Analyzing trace with hash 831559952, now seen corresponding path program 1 times [2022-02-23 19:58:58,337 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-23 19:58:58,337 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786629756] [2022-02-23 19:58:58,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 19:58:58,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-23 19:58:59,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:59:00,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-23 19:59:00,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:59:00,013 INFO L134 CoverageAnalysis]: Checked inductivity of 585 backedges. 2 proven. 282 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2022-02-23 19:59:00,014 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-23 19:59:00,014 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786629756] [2022-02-23 19:59:00,014 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [786629756] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-23 19:59:00,014 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [906704482] [2022-02-23 19:59:00,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 19:59:00,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-23 19:59:00,014 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-23 19:59:00,024 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) [2022-02-23 19:59:00,025 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-23 19:59:01,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:59:01,482 INFO L263 TraceCheckSpWp]: Trace formula consists of 1774 conjuncts, 292 conjunts are in the unsatisfiable core [2022-02-23 19:59:01,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-23 19:59:01,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-23 19:59:01,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-23 19:59:01,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-23 19:59:01,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-23 19:59:01,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-23 19:59:01,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-23 19:59:01,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-23 19:59:01,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-23 19:59:01,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-23 19:59:01,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-23 19:59:01,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-23 19:59:01,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-23 19:59:01,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-23 19:59:01,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-23 19:59:01,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-23 19:59:01,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-23 19:59:02,006 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-23 19:59:02,010 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 16 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46258 treesize of output 44523 [2022-02-23 19:59:02,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-23 19:59:02,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-23 19:59:02,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-23 19:59:02,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-23 19:59:02,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-23 19:59:02,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-23 19:59:02,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-23 19:59:02,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-23 19:59:02,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-23 19:59:02,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-23 19:59:11,292 WARN L232 SmtUtils]: Spent 9.17s on a formula simplification. DAG size of input: 173 DAG size of output: 109 (called from [L 353] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-02-23 19:59:11,293 INFO L356 Elim1Store]: treesize reduction 1966, result has 25.0 percent of original size [2022-02-23 19:59:11,294 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 5 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 18 case distinctions, treesize of input 606198 treesize of output 173802 [2022-02-23 19:59:12,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-23 19:59:12,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-23 19:59:12,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-23 19:59:12,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-23 19:59:12,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-23 19:59:12,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-23 19:59:12,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-23 19:59:12,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-23 19:59:12,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-23 19:59:12,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-23 19:59:12,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-23 19:59:12,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-23 19:59:12,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-23 19:59:12,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-23 19:59:12,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-23 19:59:12,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-23 19:59:12,814 INFO L244 Elim1Store]: Index analysis took 285 ms [2022-02-23 19:59:12,815 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 16 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 168725 treesize of output 168685 [2022-02-23 19:59:13,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-23 19:59:13,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-23 19:59:13,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-23 19:59:13,367 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 168927 treesize of output 167795 [2022-02-23 19:59:13,923 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 168273 treesize of output 159889 [2022-02-23 19:59:18,123 INFO L356 Elim1Store]: treesize reduction 550, result has 6.0 percent of original size [2022-02-23 19:59:18,124 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 1293077 treesize of output 1170394 [2022-02-23 19:59:19,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-23 19:59:19,864 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 188260 treesize of output 131146 [2022-02-23 19:59:20,455 INFO L356 Elim1Store]: treesize reduction 60, result has 1.6 percent of original size [2022-02-23 19:59:20,456 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 81 treesize of output 69 [2022-02-23 19:59:21,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-23 19:59:21,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-23 19:59:21,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-23 19:59:21,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-23 19:59:21,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-23 19:59:21,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-23 19:59:21,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-23 19:59:21,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-23 19:59:21,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-23 19:59:21,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-23 19:59:21,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-23 19:59:21,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-23 19:59:21,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-23 19:59:21,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-23 19:59:21,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-23 19:59:21,446 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 24 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 53 [2022-02-23 19:59:21,998 WARN L325 FreeRefinementEngine]: Global settings require throwing the following exception [2022-02-23 19:59:22,024 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-23 19:59:22,198 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2022-02-23 19:59:22,199 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.ArithmeticException: BigInteger out of long range at java.base/java.math.BigInteger.longValueExact(BigInteger.java:4765) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.computeDerApplicabilityScore(QuantifierPusher.java:685) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.selectBestEliminatee(QuantifierPusher.java:668) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.doit(QuantifierPusher.java:604) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective2(QuantifierPusher.java:446) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:355) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:172) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:169) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:77) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:261) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:247) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:92) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:238) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:420) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:199) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:299) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:273) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:145) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:414) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:264) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:177) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:156) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-02-23 19:59:22,202 INFO L158 Benchmark]: Toolchain (without parser) took 173018.68ms. Allocated memory was 196.1MB in the beginning and 462.4MB in the end (delta: 266.3MB). Free memory was 142.9MB in the beginning and 294.2MB in the end (delta: -151.3MB). Peak memory consumption was 315.9MB. Max. memory is 8.0GB. [2022-02-23 19:59:22,202 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 196.1MB. Free memory is still 161.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-23 19:59:22,202 INFO L158 Benchmark]: CACSL2BoogieTranslator took 439.45ms. Allocated memory is still 196.1MB. Free memory was 142.7MB in the beginning and 152.5MB in the end (delta: -9.8MB). Peak memory consumption was 5.5MB. Max. memory is 8.0GB. [2022-02-23 19:59:22,202 INFO L158 Benchmark]: Boogie Preprocessor took 76.51ms. Allocated memory is still 196.1MB. Free memory was 152.5MB in the beginning and 145.2MB in the end (delta: 7.3MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2022-02-23 19:59:22,202 INFO L158 Benchmark]: RCFGBuilder took 1473.04ms. Allocated memory was 196.1MB in the beginning and 239.1MB in the end (delta: 43.0MB). Free memory was 145.2MB in the beginning and 207.9MB in the end (delta: -62.7MB). Peak memory consumption was 93.0MB. Max. memory is 8.0GB. [2022-02-23 19:59:22,202 INFO L158 Benchmark]: IcfgTransformer took 32.24ms. Allocated memory is still 239.1MB. Free memory was 207.9MB in the beginning and 202.7MB in the end (delta: 5.2MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2022-02-23 19:59:22,203 INFO L158 Benchmark]: TraceAbstraction took 170991.73ms. Allocated memory was 239.1MB in the beginning and 462.4MB in the end (delta: 223.3MB). Free memory was 202.2MB in the beginning and 294.2MB in the end (delta: -92.0MB). Peak memory consumption was 331.9MB. Max. memory is 8.0GB. [2022-02-23 19:59:22,203 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 196.1MB. Free memory is still 161.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 439.45ms. Allocated memory is still 196.1MB. Free memory was 142.7MB in the beginning and 152.5MB in the end (delta: -9.8MB). Peak memory consumption was 5.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 76.51ms. Allocated memory is still 196.1MB. Free memory was 152.5MB in the beginning and 145.2MB in the end (delta: 7.3MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * RCFGBuilder took 1473.04ms. Allocated memory was 196.1MB in the beginning and 239.1MB in the end (delta: 43.0MB). Free memory was 145.2MB in the beginning and 207.9MB in the end (delta: -62.7MB). Peak memory consumption was 93.0MB. Max. memory is 8.0GB. * IcfgTransformer took 32.24ms. Allocated memory is still 239.1MB. Free memory was 207.9MB in the beginning and 202.7MB in the end (delta: 5.2MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * TraceAbstraction took 170991.73ms. Allocated memory was 239.1MB in the beginning and 462.4MB in the end (delta: 223.3MB). Free memory was 202.2MB in the beginning and 294.2MB in the end (delta: -92.0MB). Peak memory consumption was 331.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: ArithmeticException: BigInteger out of long range de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: ArithmeticException: BigInteger out of long range: java.base/java.math.BigInteger.longValueExact(BigInteger.java:4765) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-02-23 19:59:22,236 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...