/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-b030c9e [2022-03-20 07:30:03,540 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-20 07:30:03,541 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-20 07:30:03,559 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-20 07:30:03,559 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-20 07:30:03,559 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-20 07:30:03,560 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-20 07:30:03,562 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-20 07:30:03,563 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-20 07:30:03,563 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-20 07:30:03,564 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-20 07:30:03,565 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-20 07:30:03,565 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-20 07:30:03,566 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-20 07:30:03,567 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-20 07:30:03,580 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-20 07:30:03,581 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-20 07:30:03,581 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-20 07:30:03,595 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-20 07:30:03,597 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-20 07:30:03,598 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-03-20 07:30:03,598 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-20 07:30:03,599 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-20 07:30:03,600 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-20 07:30:03,600 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-20 07:30:03,602 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-20 07:30:03,604 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-20 07:30:03,604 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-20 07:30:03,605 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-20 07:30:03,605 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-20 07:30:03,606 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-20 07:30:03,606 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-20 07:30:03,607 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-20 07:30:03,607 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-20 07:30:03,607 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-20 07:30:03,608 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-20 07:30:03,612 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-20 07:30:03,613 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2022-03-20 07:30:03,618 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-20 07:30:03,618 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-20 07:30:03,619 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-20 07:30:03,619 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-20 07:30:03,619 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-20 07:30:03,619 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-20 07:30:03,620 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-20 07:30:03,620 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-20 07:30:03,620 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-20 07:30:03,620 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-20 07:30:03,620 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-20 07:30:03,620 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-20 07:30:03,620 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-20 07:30:03,621 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-20 07:30:03,621 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-20 07:30:03,621 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-20 07:30:03,621 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-20 07:30:03,621 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-20 07:30:03,621 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-20 07:30:03,622 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-20 07:30:03,622 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-20 07:30:03,622 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-03-20 07:30:03,622 INFO L138 SettingsManager]: * TransformationType=LOOP_ACCELERATION_JORDAN WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-03-20 07:30:03,819 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-20 07:30:03,843 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-20 07:30:03,845 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-20 07:30:03,846 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-20 07:30:03,847 INFO L275 PluginConnector]: CDTParser initialized [2022-03-20 07:30:03,848 INFO L432 ainManager$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 [2022-03-20 07:30:03,901 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04a44f6dc/5c3c54b6aaf747298ebf5b675d8431b6/FLAG1819217aa [2022-03-20 07:30:04,270 INFO L306 CDTParser]: Found 1 translation units. [2022-03-20 07:30:04,271 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/openssl/s3_clnt.blast.01.i.cil-1.c [2022-03-20 07:30:04,293 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04a44f6dc/5c3c54b6aaf747298ebf5b675d8431b6/FLAG1819217aa [2022-03-20 07:30:04,643 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04a44f6dc/5c3c54b6aaf747298ebf5b675d8431b6 [2022-03-20 07:30:04,645 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-20 07:30:04,646 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-20 07:30:04,647 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-20 07:30:04,647 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-20 07:30:04,649 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-20 07:30:04,650 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.03 07:30:04" (1/1) ... [2022-03-20 07:30:04,650 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1457dcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 07:30:04, skipping insertion in model container [2022-03-20 07:30:04,650 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.03 07:30:04" (1/1) ... [2022-03-20 07:30:04,655 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-20 07:30:04,685 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-20 07:30:04,977 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] [2022-03-20 07:30:04,991 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-20 07:30:05,001 INFO L203 MainTranslator]: Completed pre-run [2022-03-20 07:30:05,062 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] [2022-03-20 07:30:05,068 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-20 07:30:05,078 INFO L208 MainTranslator]: Completed translation [2022-03-20 07:30:05,078 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 07:30:05 WrapperNode [2022-03-20 07:30:05,079 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-20 07:30:05,081 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-20 07:30:05,081 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-20 07:30:05,082 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-20 07:30:05,090 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 07:30:05" (1/1) ... [2022-03-20 07:30:05,090 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 07:30:05" (1/1) ... [2022-03-20 07:30:05,111 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 07:30:05" (1/1) ... [2022-03-20 07:30:05,111 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 07:30:05" (1/1) ... [2022-03-20 07:30:05,148 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 07:30:05" (1/1) ... [2022-03-20 07:30:05,153 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 07:30:05" (1/1) ... [2022-03-20 07:30:05,163 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 07:30:05" (1/1) ... [2022-03-20 07:30:05,168 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-20 07:30:05,168 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-20 07:30:05,168 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-20 07:30:05,169 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-20 07:30:05,173 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 07:30:05" (1/1) ... [2022-03-20 07:30:05,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-20 07:30:05,186 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 07:30:05,198 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-20 07:30:05,202 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-20 07:30:05,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-03-20 07:30:05,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-20 07:30:05,239 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-03-20 07:30:05,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_get_client_method [2022-03-20 07:30:05,239 INFO L138 BoogieDeclarations]: Found implementation of procedure SSLv3_client_method [2022-03-20 07:30:05,239 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-03-20 07:30:05,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_connect [2022-03-20 07:30:05,239 INFO L138 BoogieDeclarations]: Found implementation of procedure sslv3_base_method [2022-03-20 07:30:05,239 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-03-20 07:30:05,239 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-03-20 07:30:05,240 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-03-20 07:30:05,240 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-03-20 07:30:05,240 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-03-20 07:30:05,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-20 07:30:05,240 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2022-03-20 07:30:05,240 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2022-03-20 07:30:05,240 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-03-20 07:30:05,240 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2022-03-20 07:30:05,241 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2022-03-20 07:30:05,241 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2022-03-20 07:30:05,242 INFO L130 BoogieDeclarations]: Found specification of procedure SSLv3_client_method [2022-03-20 07:30:05,242 INFO L130 BoogieDeclarations]: Found specification of procedure sslv3_base_method [2022-03-20 07:30:05,242 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_connect [2022-03-20 07:30:05,242 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_get_client_method [2022-03-20 07:30:05,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-03-20 07:30:05,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-03-20 07:30:05,245 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-03-20 07:30:05,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-03-20 07:30:05,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-20 07:30:05,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-03-20 07:30:05,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-20 07:30:05,246 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2022-03-20 07:30:05,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-03-20 07:30:05,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-03-20 07:30:05,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-20 07:30:05,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-20 07:30:05,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-03-20 07:30:05,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-03-20 07:30:05,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-03-20 07:30:05,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-03-20 07:30:05,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-20 07:30:05,359 INFO L234 CfgBuilder]: Building ICFG [2022-03-20 07:30:05,360 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-20 07:30:06,445 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-03-20 07:30:06,731 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2022-03-20 07:30:06,731 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2022-03-20 07:30:06,741 INFO L275 CfgBuilder]: Performing block encoding [2022-03-20 07:30:06,746 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-20 07:30:06,746 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-03-20 07:30:06,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.03 07:30:06 BoogieIcfgContainer [2022-03-20 07:30:06,747 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-20 07:30:06,748 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-03-20 07:30:06,748 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-03-20 07:30:06,750 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-03-20 07:30:06,756 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.03 07:30:06" (1/1) ... [2022-03-20 07:30:06,758 INFO L168 ansformationObserver]: Applying ICFG transformation LOOP_ACCELERATION_JORDAN [2022-03-20 07:30:06,803 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 20.03 07:30:06 BasicIcfg [2022-03-20 07:30:06,804 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-03-20 07:30:06,806 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-20 07:30:06,806 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-20 07:30:06,809 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-20 07:30:06,809 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.03 07:30:04" (1/4) ... [2022-03-20 07:30:06,810 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5121ddfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.03 07:30:06, skipping insertion in model container [2022-03-20 07:30:06,810 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 07:30:05" (2/4) ... [2022-03-20 07:30:06,810 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5121ddfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.03 07:30:06, skipping insertion in model container [2022-03-20 07:30:06,810 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.03 07:30:06" (3/4) ... [2022-03-20 07:30:06,812 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5121ddfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.03 07:30:06, skipping insertion in model container [2022-03-20 07:30:06,812 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 20.03 07:30:06" (4/4) ... [2022-03-20 07:30:06,813 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_clnt.blast.01.i.cil-1.cJordan [2022-03-20 07:30:06,819 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2022-03-20 07:30:06,820 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-20 07:30:06,861 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-20 07:30:06,867 INFO L340 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=ForwardPredicates, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP [2022-03-20 07:30:06,867 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-03-20 07:30:06,897 INFO L276 IsEmpty]: Start isEmpty. Operand has 140 states, 132 states have (on average 1.6742424242424243) internal successors, (221), 133 states have internal predecessors, (221), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-03-20 07:30:06,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-03-20 07:30:06,904 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:30:06,904 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:30:06,905 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:30:06,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:30:06,909 INFO L85 PathProgramCache]: Analyzing trace with hash -106935299, now seen corresponding path program 1 times [2022-03-20 07:30:06,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:30:06,915 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511498986] [2022-03-20 07:30:06,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:30:06,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:30:07,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:30:07,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:30:07,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:30:07,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-20 07:30:07,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:30:07,442 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511498986] [2022-03-20 07:30:07,442 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511498986] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:30:07,442 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:30:07,442 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:30:07,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457935022] [2022-03-20 07:30:07,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:30:07,448 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:30:07,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:30:07,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:30:07,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:30:07,471 INFO L87 Difference]: Start difference. First operand has 140 states, 132 states have (on average 1.6742424242424243) internal successors, (221), 133 states have internal predecessors, (221), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:30:09,496 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:30:09,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:30:09,833 INFO L93 Difference]: Finished difference Result 144 states and 228 transitions. [2022-03-20 07:30:09,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:30:09,835 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2022-03-20 07:30:09,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:30:09,842 INFO L225 Difference]: With dead ends: 144 [2022-03-20 07:30:09,842 INFO L226 Difference]: Without dead ends: 124 [2022-03-20 07:30:09,843 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 07:30:09,849 INFO L913 BasicCegarLoop]: 214 mSDtfsCounter, 7 mSDsluCounter, 344 mSDsCounter, 0 mSdLazyCounter, 321 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s 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, 2.3s IncrementalHoareTripleChecker+Time [2022-03-20 07:30:09,851 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 558 Invalid, 325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 321 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-03-20 07:30:09,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2022-03-20 07:30:09,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 123. [2022-03-20 07:30:09,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 118 states have (on average 1.4915254237288136) internal successors, (176), 118 states have internal predecessors, (176), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:30:09,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 180 transitions. [2022-03-20 07:30:09,903 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 180 transitions. Word has length 30 [2022-03-20 07:30:09,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:30:09,903 INFO L478 AbstractCegarLoop]: Abstraction has 123 states and 180 transitions. [2022-03-20 07:30:09,903 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:30:09,903 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 180 transitions. [2022-03-20 07:30:09,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-03-20 07:30:09,920 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:30:09,920 INFO L499 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:30:09,920 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-20 07:30:09,921 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:30:09,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:30:09,921 INFO L85 PathProgramCache]: Analyzing trace with hash -1091565072, now seen corresponding path program 1 times [2022-03-20 07:30:09,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:30:09,921 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556618286] [2022-03-20 07:30:09,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:30:09,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:30:10,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:30:10,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:30:10,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:30:10,172 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-20 07:30:10,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:30:10,172 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556618286] [2022-03-20 07:30:10,173 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1556618286] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:30:10,173 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:30:10,174 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 07:30:10,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384509698] [2022-03-20 07:30:10,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:30:10,180 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 07:30:10,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:30:10,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 07:30:10,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 07:30:10,181 INFO L87 Difference]: Start difference. First operand 123 states and 180 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:30:12,201 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:30:12,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:30:12,467 INFO L93 Difference]: Finished difference Result 226 states and 330 transitions. [2022-03-20 07:30:12,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 07:30:12,469 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 45 [2022-03-20 07:30:12,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:30:12,470 INFO L225 Difference]: With dead ends: 226 [2022-03-20 07:30:12,470 INFO L226 Difference]: Without dead ends: 226 [2022-03-20 07:30:12,471 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 07:30:12,471 INFO L913 BasicCegarLoop]: 168 mSDtfsCounter, 125 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-03-20 07:30:12,472 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [125 Valid, 323 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 192 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-03-20 07:30:12,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2022-03-20 07:30:12,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 226. [2022-03-20 07:30:12,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 221 states have (on average 1.4751131221719458) internal successors, (326), 221 states have internal predecessors, (326), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:30:12,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 330 transitions. [2022-03-20 07:30:12,482 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 330 transitions. Word has length 45 [2022-03-20 07:30:12,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:30:12,482 INFO L478 AbstractCegarLoop]: Abstraction has 226 states and 330 transitions. [2022-03-20 07:30:12,482 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:30:12,482 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 330 transitions. [2022-03-20 07:30:12,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-03-20 07:30:12,484 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:30:12,484 INFO L499 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:30:12,484 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-20 07:30:12,484 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:30:12,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:30:12,484 INFO L85 PathProgramCache]: Analyzing trace with hash -1300196515, now seen corresponding path program 1 times [2022-03-20 07:30:12,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:30:12,485 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711233126] [2022-03-20 07:30:12,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:30:12,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:30:12,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:30:12,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:30:12,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:30:12,631 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-20 07:30:12,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:30:12,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711233126] [2022-03-20 07:30:12,632 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711233126] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:30:12,632 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:30:12,632 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:30:12,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688418797] [2022-03-20 07:30:12,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:30:12,632 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:30:12,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:30:12,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:30:12,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:30:12,633 INFO L87 Difference]: Start difference. First operand 226 states and 330 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:30:14,648 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:30:15,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:30:15,012 INFO L93 Difference]: Finished difference Result 261 states and 382 transitions. [2022-03-20 07:30:15,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:30:15,013 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 60 [2022-03-20 07:30:15,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:30:15,015 INFO L225 Difference]: With dead ends: 261 [2022-03-20 07:30:15,015 INFO L226 Difference]: Without dead ends: 261 [2022-03-20 07:30:15,015 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 07:30:15,015 INFO L913 BasicCegarLoop]: 200 mSDtfsCounter, 31 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 361 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 361 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-20 07:30:15,016 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [31 Valid, 490 Invalid, 370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 361 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-20 07:30:15,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2022-03-20 07:30:15,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 244. [2022-03-20 07:30:15,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 239 states have (on average 1.4895397489539748) internal successors, (356), 239 states have internal predecessors, (356), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:30:15,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 360 transitions. [2022-03-20 07:30:15,055 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 360 transitions. Word has length 60 [2022-03-20 07:30:15,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:30:15,055 INFO L478 AbstractCegarLoop]: Abstraction has 244 states and 360 transitions. [2022-03-20 07:30:15,055 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:30:15,055 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 360 transitions. [2022-03-20 07:30:15,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-03-20 07:30:15,058 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:30:15,058 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:30:15,058 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-20 07:30:15,058 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:30:15,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:30:15,059 INFO L85 PathProgramCache]: Analyzing trace with hash 894178960, now seen corresponding path program 2 times [2022-03-20 07:30:15,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:30:15,059 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017915551] [2022-03-20 07:30:15,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:30:15,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:30:15,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:30:15,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:30:15,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:30:15,216 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-20 07:30:15,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:30:15,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017915551] [2022-03-20 07:30:15,216 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017915551] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:30:15,217 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:30:15,217 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:30:15,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154575026] [2022-03-20 07:30:15,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:30:15,217 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:30:15,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:30:15,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:30:15,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:30:15,218 INFO L87 Difference]: Start difference. First operand 244 states and 360 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:30:17,236 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:30:17,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:30:17,604 INFO L93 Difference]: Finished difference Result 260 states and 380 transitions. [2022-03-20 07:30:17,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:30:17,604 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 75 [2022-03-20 07:30:17,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:30:17,606 INFO L225 Difference]: With dead ends: 260 [2022-03-20 07:30:17,606 INFO L226 Difference]: Without dead ends: 260 [2022-03-20 07:30:17,606 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 07:30:17,606 INFO L913 BasicCegarLoop]: 200 mSDtfsCounter, 37 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 354 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 363 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 354 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-20 07:30:17,607 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [37 Valid, 490 Invalid, 363 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 354 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-20 07:30:17,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2022-03-20 07:30:17,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 244. [2022-03-20 07:30:17,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 239 states have (on average 1.4853556485355648) internal successors, (355), 239 states have internal predecessors, (355), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:30:17,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 359 transitions. [2022-03-20 07:30:17,614 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 359 transitions. Word has length 75 [2022-03-20 07:30:17,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:30:17,614 INFO L478 AbstractCegarLoop]: Abstraction has 244 states and 359 transitions. [2022-03-20 07:30:17,614 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:30:17,614 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 359 transitions. [2022-03-20 07:30:17,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-03-20 07:30:17,616 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:30:17,616 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:30:17,616 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-20 07:30:17,616 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:30:17,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:30:17,616 INFO L85 PathProgramCache]: Analyzing trace with hash -765124944, now seen corresponding path program 1 times [2022-03-20 07:30:17,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:30:17,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137014994] [2022-03-20 07:30:17,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:30:17,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:30:17,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:30:17,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:30:17,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:30:17,767 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-20 07:30:17,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:30:17,767 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137014994] [2022-03-20 07:30:17,767 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137014994] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:30:17,768 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:30:17,768 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:30:17,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502966061] [2022-03-20 07:30:17,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:30:17,768 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:30:17,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:30:17,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:30:17,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:30:17,769 INFO L87 Difference]: Start difference. First operand 244 states and 359 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:30:19,783 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:30:20,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:30:20,145 INFO L93 Difference]: Finished difference Result 429 states and 634 transitions. [2022-03-20 07:30:20,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:30:20,146 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 75 [2022-03-20 07:30:20,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:30:20,148 INFO L225 Difference]: With dead ends: 429 [2022-03-20 07:30:20,148 INFO L226 Difference]: Without dead ends: 429 [2022-03-20 07:30:20,148 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 07:30:20,149 INFO L913 BasicCegarLoop]: 99 mSDtfsCounter, 120 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 384 mSolverCounterSat, 46 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 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 [2022-03-20 07:30:20,149 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [120 Valid, 284 Invalid, 431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 384 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-20 07:30:20,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2022-03-20 07:30:20,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 268. [2022-03-20 07:30:20,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 263 states have (on average 1.4828897338403042) internal successors, (390), 263 states have internal predecessors, (390), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:30:20,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 394 transitions. [2022-03-20 07:30:20,163 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 394 transitions. Word has length 75 [2022-03-20 07:30:20,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:30:20,164 INFO L478 AbstractCegarLoop]: Abstraction has 268 states and 394 transitions. [2022-03-20 07:30:20,164 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:30:20,164 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 394 transitions. [2022-03-20 07:30:20,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-03-20 07:30:20,166 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:30:20,167 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:30:20,167 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-20 07:30:20,167 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:30:20,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:30:20,167 INFO L85 PathProgramCache]: Analyzing trace with hash 420689370, now seen corresponding path program 1 times [2022-03-20 07:30:20,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:30:20,167 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269647960] [2022-03-20 07:30:20,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:30:20,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:30:20,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:30:20,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:30:20,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:30:20,332 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-20 07:30:20,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:30:20,332 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269647960] [2022-03-20 07:30:20,332 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269647960] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:30:20,333 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:30:20,333 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:30:20,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599759159] [2022-03-20 07:30:20,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:30:20,333 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:30:20,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:30:20,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:30:20,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:30:20,335 INFO L87 Difference]: Start difference. First operand 268 states and 394 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:30:22,297 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:30:24,321 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:30:26,337 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:30:28,353 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:30:28,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:30:28,747 INFO L93 Difference]: Finished difference Result 429 states and 631 transitions. [2022-03-20 07:30:28,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:30:28,747 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 76 [2022-03-20 07:30:28,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:30:28,749 INFO L225 Difference]: With dead ends: 429 [2022-03-20 07:30:28,749 INFO L226 Difference]: Without dead ends: 429 [2022-03-20 07:30:28,749 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 07:30:28,750 INFO L913 BasicCegarLoop]: 110 mSDtfsCounter, 118 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 397 mSolverCounterSat, 43 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s 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, 8.4s IncrementalHoareTripleChecker+Time [2022-03-20 07:30:28,750 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [118 Valid, 306 Invalid, 443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 397 Invalid, 3 Unknown, 0 Unchecked, 8.4s Time] [2022-03-20 07:30:28,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2022-03-20 07:30:28,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 270. [2022-03-20 07:30:28,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 265 states have (on average 1.4754716981132074) internal successors, (391), 265 states have internal predecessors, (391), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:30:28,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 395 transitions. [2022-03-20 07:30:28,760 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 395 transitions. Word has length 76 [2022-03-20 07:30:28,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:30:28,760 INFO L478 AbstractCegarLoop]: Abstraction has 270 states and 395 transitions. [2022-03-20 07:30:28,760 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:30:28,760 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 395 transitions. [2022-03-20 07:30:28,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-03-20 07:30:28,761 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:30:28,762 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:30:28,762 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-03-20 07:30:28,762 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:30:28,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:30:28,763 INFO L85 PathProgramCache]: Analyzing trace with hash -70572812, now seen corresponding path program 1 times [2022-03-20 07:30:28,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:30:28,763 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428168733] [2022-03-20 07:30:28,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:30:28,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:30:28,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:30:28,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:30:28,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:30:28,922 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-20 07:30:28,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:30:28,922 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428168733] [2022-03-20 07:30:28,922 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428168733] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:30:28,922 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:30:28,923 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:30:28,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204221830] [2022-03-20 07:30:28,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:30:28,923 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:30:28,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:30:28,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:30:28,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:30:28,924 INFO L87 Difference]: Start difference. First operand 270 states and 395 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:30:30,932 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:30:31,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:30:31,246 INFO L93 Difference]: Finished difference Result 286 states and 415 transitions. [2022-03-20 07:30:31,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:30:31,247 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 77 [2022-03-20 07:30:31,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:30:31,248 INFO L225 Difference]: With dead ends: 286 [2022-03-20 07:30:31,248 INFO L226 Difference]: Without dead ends: 286 [2022-03-20 07:30:31,248 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 07:30:31,248 INFO L913 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 [2022-03-20 07:30:31,250 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [31 Valid, 484 Invalid, 360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 351 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-03-20 07:30:31,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2022-03-20 07:30:31,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 270. [2022-03-20 07:30:31,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 265 states have (on average 1.471698113207547) internal successors, (390), 265 states have internal predecessors, (390), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:30:31,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 394 transitions. [2022-03-20 07:30:31,261 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 394 transitions. Word has length 77 [2022-03-20 07:30:31,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:30:31,261 INFO L478 AbstractCegarLoop]: Abstraction has 270 states and 394 transitions. [2022-03-20 07:30:31,261 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:30:31,261 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 394 transitions. [2022-03-20 07:30:31,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-03-20 07:30:31,262 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:30:31,262 INFO L499 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] [2022-03-20 07:30:31,262 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-03-20 07:30:31,262 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:30:31,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:30:31,263 INFO L85 PathProgramCache]: Analyzing trace with hash -1362398755, now seen corresponding path program 1 times [2022-03-20 07:30:31,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:30:31,263 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477423708] [2022-03-20 07:30:31,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:30:31,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:30:31,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:30:31,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:30:31,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:30:31,402 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-20 07:30:31,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:30:31,403 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477423708] [2022-03-20 07:30:31,403 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [477423708] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:30:31,403 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:30:31,403 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:30:31,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265270317] [2022-03-20 07:30:31,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:30:31,403 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:30:31,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:30:31,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:30:31,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:30:31,404 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) [2022-03-20 07:30:33,412 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:30:33,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:30:33,765 INFO L93 Difference]: Finished difference Result 429 states and 627 transitions. [2022-03-20 07:30:33,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:30:33,766 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 [2022-03-20 07:30:33,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:30:33,767 INFO L225 Difference]: With dead ends: 429 [2022-03-20 07:30:33,767 INFO L226 Difference]: Without dead ends: 429 [2022-03-20 07:30:33,767 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 07:30:33,768 INFO L913 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, 2.3s IncrementalHoareTripleChecker+Time [2022-03-20 07:30:33,768 INFO L914 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] [2022-03-20 07:30:33,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2022-03-20 07:30:33,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 274. [2022-03-20 07:30:33,774 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) [2022-03-20 07:30:33,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 399 transitions. [2022-03-20 07:30:33,775 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 399 transitions. Word has length 78 [2022-03-20 07:30:33,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:30:33,775 INFO L478 AbstractCegarLoop]: Abstraction has 274 states and 399 transitions. [2022-03-20 07:30:33,775 INFO L479 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) [2022-03-20 07:30:33,775 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 399 transitions. [2022-03-20 07:30:33,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-03-20 07:30:33,776 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:30:33,776 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:30:33,776 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-03-20 07:30:33,776 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:30:33,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:30:33,777 INFO L85 PathProgramCache]: Analyzing trace with hash -1733724060, now seen corresponding path program 1 times [2022-03-20 07:30:33,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:30:33,777 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816464435] [2022-03-20 07:30:33,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:30:33,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:30:33,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:30:33,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:30:33,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:30:33,931 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-03-20 07:30:33,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:30:33,931 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816464435] [2022-03-20 07:30:33,932 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816464435] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:30:33,932 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:30:33,932 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 07:30:33,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426465156] [2022-03-20 07:30:33,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:30:33,932 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 07:30:33,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:30:33,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 07:30:33,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 07:30:33,933 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) [2022-03-20 07:30:35,941 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:30:36,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:30:36,293 INFO L93 Difference]: Finished difference Result 411 states and 598 transitions. [2022-03-20 07:30:36,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 07:30:36,294 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 78 [2022-03-20 07:30:36,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:30:36,295 INFO L225 Difference]: With dead ends: 411 [2022-03-20 07:30:36,295 INFO L226 Difference]: Without dead ends: 411 [2022-03-20 07:30:36,295 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 07:30:36,296 INFO L913 BasicCegarLoop]: 319 mSDtfsCounter, 128 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 343 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 483 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 343 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-03-20 07:30:36,296 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [128 Valid, 483 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 343 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-03-20 07:30:36,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2022-03-20 07:30:36,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 411. [2022-03-20 07:30:36,304 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) [2022-03-20 07:30:36,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 598 transitions. [2022-03-20 07:30:36,305 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 598 transitions. Word has length 78 [2022-03-20 07:30:36,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:30:36,306 INFO L478 AbstractCegarLoop]: Abstraction has 411 states and 598 transitions. [2022-03-20 07:30:36,306 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:30:36,306 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 598 transitions. [2022-03-20 07:30:36,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-03-20 07:30:36,306 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:30:36,307 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:30:36,307 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-03-20 07:30:36,307 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:30:36,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:30:36,307 INFO L85 PathProgramCache]: Analyzing trace with hash -1702704253, now seen corresponding path program 1 times [2022-03-20 07:30:36,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:30:36,307 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901397729] [2022-03-20 07:30:36,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:30:36,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:30:36,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:30:36,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:30:36,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:30:36,433 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-20 07:30:36,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:30:36,433 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901397729] [2022-03-20 07:30:36,433 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901397729] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:30:36,433 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:30:36,433 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 07:30:36,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811406909] [2022-03-20 07:30:36,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:30:36,434 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 07:30:36,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:30:36,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 07:30:36,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 07:30:36,435 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) [2022-03-20 07:30:38,447 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:30:38,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:30:38,685 INFO L93 Difference]: Finished difference Result 435 states and 630 transitions. [2022-03-20 07:30:38,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 07:30:38,685 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 78 [2022-03-20 07:30:38,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:30:38,687 INFO L225 Difference]: With dead ends: 435 [2022-03-20 07:30:38,687 INFO L226 Difference]: Without dead ends: 435 [2022-03-20 07:30:38,687 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 07:30:38,687 INFO L913 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, 2.2s IncrementalHoareTripleChecker+Time [2022-03-20 07:30:38,688 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 363 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 215 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2022-03-20 07:30:38,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2022-03-20 07:30:38,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 435. [2022-03-20 07:30:38,693 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) [2022-03-20 07:30:38,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 630 transitions. [2022-03-20 07:30:38,694 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 630 transitions. Word has length 78 [2022-03-20 07:30:38,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:30:38,694 INFO L478 AbstractCegarLoop]: Abstraction has 435 states and 630 transitions. [2022-03-20 07:30:38,694 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:30:38,695 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 630 transitions. [2022-03-20 07:30:38,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-03-20 07:30:38,697 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:30:38,697 INFO L499 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:30:38,697 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-03-20 07:30:38,697 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:30:38,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:30:38,697 INFO L85 PathProgramCache]: Analyzing trace with hash -283396127, now seen corresponding path program 1 times [2022-03-20 07:30:38,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:30:38,698 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252183050] [2022-03-20 07:30:38,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:30:38,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:30:38,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:30:38,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:30:38,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:30:38,854 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-03-20 07:30:38,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:30:38,854 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252183050] [2022-03-20 07:30:38,854 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252183050] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:30:38,855 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:30:38,855 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 07:30:38,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017896972] [2022-03-20 07:30:38,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:30:38,855 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 07:30:38,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:30:38,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 07:30:38,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 07:30:38,856 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) [2022-03-20 07:30:40,872 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:30:41,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:30:41,215 INFO L93 Difference]: Finished difference Result 571 states and 828 transitions. [2022-03-20 07:30:41,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 07:30:41,216 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 98 [2022-03-20 07:30:41,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:30:41,217 INFO L225 Difference]: With dead ends: 571 [2022-03-20 07:30:41,217 INFO L226 Difference]: Without dead ends: 571 [2022-03-20 07:30:41,218 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 07:30:41,218 INFO L913 BasicCegarLoop]: 318 mSDtfsCounter, 128 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 342 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 482 SdHoareTripleChecker+Invalid, 350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 342 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-03-20 07:30:41,218 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [128 Valid, 482 Invalid, 350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 342 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-03-20 07:30:41,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 571 states. [2022-03-20 07:30:41,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 571 to 571. [2022-03-20 07:30:41,225 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) [2022-03-20 07:30:41,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 828 transitions. [2022-03-20 07:30:41,226 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 828 transitions. Word has length 98 [2022-03-20 07:30:41,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:30:41,226 INFO L478 AbstractCegarLoop]: Abstraction has 571 states and 828 transitions. [2022-03-20 07:30:41,227 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:30:41,227 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 828 transitions. [2022-03-20 07:30:41,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-03-20 07:30:41,229 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:30:41,230 INFO L499 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:30:41,230 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-03-20 07:30:41,230 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:30:41,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:30:41,230 INFO L85 PathProgramCache]: Analyzing trace with hash -1286229179, now seen corresponding path program 1 times [2022-03-20 07:30:41,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:30:41,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508338151] [2022-03-20 07:30:41,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:30:41,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:30:41,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:30:41,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:30:41,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:30:41,377 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2022-03-20 07:30:41,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:30:41,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508338151] [2022-03-20 07:30:41,377 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508338151] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:30:41,377 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:30:41,377 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 07:30:41,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565431279] [2022-03-20 07:30:41,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:30:41,378 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 07:30:41,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:30:41,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 07:30:41,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 07:30:41,378 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) [2022-03-20 07:30:43,386 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:30:43,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:30:43,756 INFO L93 Difference]: Finished difference Result 706 states and 1024 transitions. [2022-03-20 07:30:43,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 07:30:43,757 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 states have internal predecessors, (77), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 119 [2022-03-20 07:30:43,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:30:43,759 INFO L225 Difference]: With dead ends: 706 [2022-03-20 07:30:43,759 INFO L226 Difference]: Without dead ends: 706 [2022-03-20 07:30:43,759 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 07:30:43,760 INFO L913 BasicCegarLoop]: 316 mSDtfsCounter, 126 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 340 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 480 SdHoareTripleChecker+Invalid, 348 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 340 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-20 07:30:43,760 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [126 Valid, 480 Invalid, 348 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 340 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-20 07:30:43,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 706 states. [2022-03-20 07:30:43,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 706 to 706. [2022-03-20 07:30:43,769 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) [2022-03-20 07:30:43,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 706 states and 1024 transitions. [2022-03-20 07:30:43,770 INFO L78 Accepts]: Start accepts. Automaton has 706 states and 1024 transitions. Word has length 119 [2022-03-20 07:30:43,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:30:43,771 INFO L478 AbstractCegarLoop]: Abstraction has 706 states and 1024 transitions. [2022-03-20 07:30:43,771 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 states have internal predecessors, (77), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:30:43,771 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states and 1024 transitions. [2022-03-20 07:30:43,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-03-20 07:30:43,772 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:30:43,772 INFO L499 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] [2022-03-20 07:30:43,772 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-03-20 07:30:43,773 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:30:43,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:30:43,773 INFO L85 PathProgramCache]: Analyzing trace with hash -768225432, now seen corresponding path program 1 times [2022-03-20 07:30:43,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:30:43,773 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816305823] [2022-03-20 07:30:43,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:30:43,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:30:43,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:30:43,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:30:43,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:30:43,934 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 153 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2022-03-20 07:30:43,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:30:43,934 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816305823] [2022-03-20 07:30:43,934 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816305823] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:30:43,934 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:30:43,934 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:30:43,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411133354] [2022-03-20 07:30:43,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:30:43,935 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:30:43,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:30:43,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:30:43,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:30:43,935 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) [2022-03-20 07:30:45,943 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:30:46,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:30:46,296 INFO L93 Difference]: Finished difference Result 1169 states and 1691 transitions. [2022-03-20 07:30:46,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:30:46,296 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 [2022-03-20 07:30:46,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:30:46,299 INFO L225 Difference]: With dead ends: 1169 [2022-03-20 07:30:46,299 INFO L226 Difference]: Without dead ends: 1169 [2022-03-20 07:30:46,299 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 07:30:46,300 INFO L913 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, 2.3s IncrementalHoareTripleChecker+Time [2022-03-20 07:30:46,300 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [110 Valid, 286 Invalid, 431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 387 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-03-20 07:30:46,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1169 states. [2022-03-20 07:30:46,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1169 to 811. [2022-03-20 07:30:46,312 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) [2022-03-20 07:30:46,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 1184 transitions. [2022-03-20 07:30:46,313 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 1184 transitions. Word has length 145 [2022-03-20 07:30:46,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:30:46,314 INFO L478 AbstractCegarLoop]: Abstraction has 811 states and 1184 transitions. [2022-03-20 07:30:46,314 INFO L479 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) [2022-03-20 07:30:46,314 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 1184 transitions. [2022-03-20 07:30:46,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-03-20 07:30:46,315 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:30:46,315 INFO L499 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] [2022-03-20 07:30:46,315 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-03-20 07:30:46,315 INFO L403 AbstractCegarLoop]: === Iteration 14 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:30:46,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:30:46,316 INFO L85 PathProgramCache]: Analyzing trace with hash -1738516439, now seen corresponding path program 1 times [2022-03-20 07:30:46,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:30:46,316 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218819165] [2022-03-20 07:30:46,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:30:46,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:30:46,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:30:46,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:30:46,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:30:46,504 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2022-03-20 07:30:46,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:30:46,505 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218819165] [2022-03-20 07:30:46,505 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1218819165] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:30:46,505 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:30:46,505 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:30:46,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144226626] [2022-03-20 07:30:46,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:30:46,505 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:30:46,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:30:46,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:30:46,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:30:46,506 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) [2022-03-20 07:30:49,433 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:30:51,452 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:30:53,473 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:30:53,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:30:53,840 INFO L93 Difference]: Finished difference Result 1022 states and 1471 transitions. [2022-03-20 07:30:53,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:30:53,840 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 [2022-03-20 07:30:53,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:30:53,843 INFO L225 Difference]: With dead ends: 1022 [2022-03-20 07:30:53,843 INFO L226 Difference]: Without dead ends: 1022 [2022-03-20 07:30:53,843 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 07:30:53,844 INFO L913 BasicCegarLoop]: 216 mSDtfsCounter, 45 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 411 mSolverCounterSat, 8 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 523 SdHoareTripleChecker+Invalid, 422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 411 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2022-03-20 07:30:53,844 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [45 Valid, 523 Invalid, 422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 411 Invalid, 3 Unknown, 0 Unchecked, 7.3s Time] [2022-03-20 07:30:53,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1022 states. [2022-03-20 07:30:53,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1022 to 907. [2022-03-20 07:30:53,856 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) [2022-03-20 07:30:53,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 907 states and 1336 transitions. [2022-03-20 07:30:53,858 INFO L78 Accepts]: Start accepts. Automaton has 907 states and 1336 transitions. Word has length 145 [2022-03-20 07:30:53,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:30:53,858 INFO L478 AbstractCegarLoop]: Abstraction has 907 states and 1336 transitions. [2022-03-20 07:30:53,858 INFO L479 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) [2022-03-20 07:30:53,858 INFO L276 IsEmpty]: Start isEmpty. Operand 907 states and 1336 transitions. [2022-03-20 07:30:53,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-03-20 07:30:53,860 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:30:53,860 INFO L499 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] [2022-03-20 07:30:53,860 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-03-20 07:30:53,860 INFO L403 AbstractCegarLoop]: === Iteration 15 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:30:53,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:30:53,860 INFO L85 PathProgramCache]: Analyzing trace with hash -431686358, now seen corresponding path program 2 times [2022-03-20 07:30:53,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:30:53,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43901101] [2022-03-20 07:30:53,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:30:53,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:30:53,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:30:54,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:30:54,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:30:54,064 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 166 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-03-20 07:30:54,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:30:54,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43901101] [2022-03-20 07:30:54,065 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43901101] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:30:54,065 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:30:54,065 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:30:54,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208061188] [2022-03-20 07:30:54,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:30:54,065 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:30:54,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:30:54,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:30:54,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:30:54,066 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) [2022-03-20 07:30:56,074 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:30:56,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:30:56,406 INFO L93 Difference]: Finished difference Result 1285 states and 1874 transitions. [2022-03-20 07:30:56,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:30:56,407 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 [2022-03-20 07:30:56,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:30:56,410 INFO L225 Difference]: With dead ends: 1285 [2022-03-20 07:30:56,410 INFO L226 Difference]: Without dead ends: 1285 [2022-03-20 07:30:56,410 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 07:30:56,411 INFO L913 BasicCegarLoop]: 106 mSDtfsCounter, 110 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 381 mSolverCounterSat, 43 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s 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 [2022-03-20 07:30:56,411 INFO L914 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] [2022-03-20 07:30:56,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1285 states. [2022-03-20 07:30:56,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1285 to 907. [2022-03-20 07:30:56,423 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) [2022-03-20 07:30:56,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 907 states and 1322 transitions. [2022-03-20 07:30:56,425 INFO L78 Accepts]: Start accepts. Automaton has 907 states and 1322 transitions. Word has length 160 [2022-03-20 07:30:56,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:30:56,425 INFO L478 AbstractCegarLoop]: Abstraction has 907 states and 1322 transitions. [2022-03-20 07:30:56,425 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 4 states have internal predecessors, (100), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:30:56,426 INFO L276 IsEmpty]: Start isEmpty. Operand 907 states and 1322 transitions. [2022-03-20 07:30:56,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2022-03-20 07:30:56,427 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:30:56,427 INFO L499 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] [2022-03-20 07:30:56,427 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-03-20 07:30:56,427 INFO L403 AbstractCegarLoop]: === Iteration 16 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:30:56,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:30:56,428 INFO L85 PathProgramCache]: Analyzing trace with hash 1903781070, now seen corresponding path program 1 times [2022-03-20 07:30:56,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:30:56,428 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778398349] [2022-03-20 07:30:56,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:30:56,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:30:56,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:30:56,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:30:56,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:30:56,596 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-03-20 07:30:56,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:30:56,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778398349] [2022-03-20 07:30:56,598 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778398349] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:30:56,598 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:30:56,598 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:30:56,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160740122] [2022-03-20 07:30:56,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:30:56,598 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:30:56,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:30:56,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:30:56,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:30:56,599 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) [2022-03-20 07:30:58,615 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:30:58,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:30:58,976 INFO L93 Difference]: Finished difference Result 1286 states and 1861 transitions. [2022-03-20 07:30:58,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:30:58,976 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 [2022-03-20 07:30:58,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:30:58,979 INFO L225 Difference]: With dead ends: 1286 [2022-03-20 07:30:58,979 INFO L226 Difference]: Without dead ends: 1286 [2022-03-20 07:30:58,980 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 07:30:58,980 INFO L913 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 [2022-03-20 07:30:58,980 INFO L914 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] [2022-03-20 07:30:58,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1286 states. [2022-03-20 07:30:58,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1286 to 907. [2022-03-20 07:30:58,991 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) [2022-03-20 07:30:58,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 907 states and 1308 transitions. [2022-03-20 07:30:58,992 INFO L78 Accepts]: Start accepts. Automaton has 907 states and 1308 transitions. Word has length 162 [2022-03-20 07:30:58,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:30:58,993 INFO L478 AbstractCegarLoop]: Abstraction has 907 states and 1308 transitions. [2022-03-20 07:30:58,993 INFO L479 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) [2022-03-20 07:30:58,993 INFO L276 IsEmpty]: Start isEmpty. Operand 907 states and 1308 transitions. [2022-03-20 07:30:58,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-20 07:30:58,994 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:30:58,994 INFO L499 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] [2022-03-20 07:30:58,994 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-03-20 07:30:58,995 INFO L403 AbstractCegarLoop]: === Iteration 17 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:30:58,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:30:58,995 INFO L85 PathProgramCache]: Analyzing trace with hash -1242164081, now seen corresponding path program 1 times [2022-03-20 07:30:58,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:30:58,995 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960048376] [2022-03-20 07:30:58,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:30:58,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:30:59,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:30:59,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:30:59,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:30:59,154 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 229 proven. 1 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2022-03-20 07:30:59,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:30:59,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960048376] [2022-03-20 07:30:59,154 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [960048376] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-20 07:30:59,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1722703248] [2022-03-20 07:30:59,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:30:59,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-20 07:30:59,155 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 07:30:59,162 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-20 07:30:59,171 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-03-20 07:30:59,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:30:59,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 1463 conjuncts, 23 conjunts are in the unsatisfiable core [2022-03-20 07:30:59,860 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-20 07:30:59,990 INFO L356 Elim1Store]: treesize reduction 54, result has 44.3 percent of original size [2022-03-20 07:30:59,991 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 68 treesize of output 143 [2022-03-20 07:31:00,001 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 123 treesize of output 63 [2022-03-20 07:31:00,008 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2022-03-20 07:31:00,017 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2022-03-20 07:31:00,176 INFO L356 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-03-20 07:31:00,176 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 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 [2022-03-20 07:31:00,183 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-03-20 07:31:00,198 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-03-20 07:31:00,225 INFO L356 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-03-20 07:31:00,225 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 7 [2022-03-20 07:31:00,293 INFO L356 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-03-20 07:31:00,294 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 19 [2022-03-20 07:31:00,322 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-03-20 07:31:00,390 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 195 proven. 40 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-03-20 07:31:00,391 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-20 07:31:00,444 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 4 [2022-03-20 07:31:00,648 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 201 proven. 8 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2022-03-20 07:31:00,648 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1722703248] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-20 07:31:00,648 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-20 07:31:00,648 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 7] total 14 [2022-03-20 07:31:00,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637694376] [2022-03-20 07:31:00,648 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-20 07:31:00,649 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-03-20 07:31:00,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:31:00,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-03-20 07:31:00,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2022-03-20 07:31:00,649 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) [2022-03-20 07:31:01,714 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:31:03,728 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:31:05,747 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:31:07,765 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:31:10,725 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:31:12,748 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:31:15,690 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:31:17,711 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:31:19,727 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:31:21,745 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:31:24,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:31:24,032 INFO L93 Difference]: Finished difference Result 3065 states and 4355 transitions. [2022-03-20 07:31:24,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-03-20 07:31:24,033 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 [2022-03-20 07:31:24,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:31:24,041 INFO L225 Difference]: With dead ends: 3065 [2022-03-20 07:31:24,041 INFO L226 Difference]: Without dead ends: 3065 [2022-03-20 07:31:24,042 INFO L912 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 [2022-03-20 07:31:24,042 INFO L913 BasicCegarLoop]: 246 mSDtfsCounter, 789 mSDsluCounter, 2264 mSDsCounter, 0 mSdLazyCounter, 2520 mSolverCounterSat, 231 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 789 SdHoareTripleChecker+Valid, 2510 SdHoareTripleChecker+Invalid, 2760 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 231 IncrementalHoareTripleChecker+Valid, 2520 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.1s IncrementalHoareTripleChecker+Time [2022-03-20 07:31:24,043 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [789 Valid, 2510 Invalid, 2760 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [231 Valid, 2520 Invalid, 9 Unknown, 0 Unchecked, 23.1s Time] [2022-03-20 07:31:24,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3065 states. [2022-03-20 07:31:24,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3065 to 1671. [2022-03-20 07:31:24,088 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) [2022-03-20 07:31:24,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1671 states to 1671 states and 2447 transitions. [2022-03-20 07:31:24,091 INFO L78 Accepts]: Start accepts. Automaton has 1671 states and 2447 transitions. Word has length 163 [2022-03-20 07:31:24,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:31:24,091 INFO L478 AbstractCegarLoop]: Abstraction has 1671 states and 2447 transitions. [2022-03-20 07:31:24,091 INFO L479 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) [2022-03-20 07:31:24,091 INFO L276 IsEmpty]: Start isEmpty. Operand 1671 states and 2447 transitions. [2022-03-20 07:31:24,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-03-20 07:31:24,094 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:31:24,094 INFO L499 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] [2022-03-20 07:31:24,134 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-03-20 07:31:24,316 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-03-20 07:31:24,316 INFO L403 AbstractCegarLoop]: === Iteration 18 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:31:24,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:31:24,317 INFO L85 PathProgramCache]: Analyzing trace with hash 711127101, now seen corresponding path program 1 times [2022-03-20 07:31:24,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:31:24,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396595242] [2022-03-20 07:31:24,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:31:24,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:31:24,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:31:24,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:31:24,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:31:24,501 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 206 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2022-03-20 07:31:24,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:31:24,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396595242] [2022-03-20 07:31:24,501 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396595242] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:31:24,502 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:31:24,502 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:31:24,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301278946] [2022-03-20 07:31:24,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:31:24,502 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:31:24,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:31:24,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:31:24,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:31:24,503 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) [2022-03-20 07:31:26,511 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:31:26,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:31:26,808 INFO L93 Difference]: Finished difference Result 1787 states and 2570 transitions. [2022-03-20 07:31:26,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:31:26,808 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 [2022-03-20 07:31:26,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:31:26,812 INFO L225 Difference]: With dead ends: 1787 [2022-03-20 07:31:26,812 INFO L226 Difference]: Without dead ends: 1787 [2022-03-20 07:31:26,812 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 07:31:26,813 INFO L913 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 [2022-03-20 07:31:26,813 INFO L914 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] [2022-03-20 07:31:26,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1787 states. [2022-03-20 07:31:26,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1787 to 1671. [2022-03-20 07:31:26,867 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) [2022-03-20 07:31:26,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1671 states to 1671 states and 2439 transitions. [2022-03-20 07:31:26,870 INFO L78 Accepts]: Start accepts. Automaton has 1671 states and 2439 transitions. Word has length 165 [2022-03-20 07:31:26,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:31:26,870 INFO L478 AbstractCegarLoop]: Abstraction has 1671 states and 2439 transitions. [2022-03-20 07:31:26,870 INFO L479 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) [2022-03-20 07:31:26,871 INFO L276 IsEmpty]: Start isEmpty. Operand 1671 states and 2439 transitions. [2022-03-20 07:31:26,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-03-20 07:31:26,873 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:31:26,873 INFO L499 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] [2022-03-20 07:31:26,873 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-03-20 07:31:26,873 INFO L403 AbstractCegarLoop]: === Iteration 19 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:31:26,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:31:26,874 INFO L85 PathProgramCache]: Analyzing trace with hash -1737330566, now seen corresponding path program 1 times [2022-03-20 07:31:26,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:31:26,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74937168] [2022-03-20 07:31:26,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:31:26,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:31:26,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:31:27,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:31:27,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:31:27,022 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 211 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2022-03-20 07:31:27,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:31:27,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74937168] [2022-03-20 07:31:27,023 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [74937168] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:31:27,023 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:31:27,023 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:31:27,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865478012] [2022-03-20 07:31:27,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:31:27,024 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:31:27,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:31:27,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:31:27,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:31:27,024 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) [2022-03-20 07:31:29,663 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:31:31,686 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:31:33,705 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:31:34,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:31:34,059 INFO L93 Difference]: Finished difference Result 2247 states and 3235 transitions. [2022-03-20 07:31:34,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:31:34,059 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 [2022-03-20 07:31:34,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:31:34,064 INFO L225 Difference]: With dead ends: 2247 [2022-03-20 07:31:34,064 INFO L226 Difference]: Without dead ends: 2247 [2022-03-20 07:31:34,064 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 07:31:34,065 INFO L913 BasicCegarLoop]: 99 mSDtfsCounter, 107 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 385 mSolverCounterSat, 46 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 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, 7.0s IncrementalHoareTripleChecker+Time [2022-03-20 07:31:34,065 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [107 Valid, 284 Invalid, 434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 385 Invalid, 3 Unknown, 0 Unchecked, 7.0s Time] [2022-03-20 07:31:34,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2247 states. [2022-03-20 07:31:34,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2247 to 1671. [2022-03-20 07:31:34,082 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) [2022-03-20 07:31:34,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1671 states to 1671 states and 2421 transitions. [2022-03-20 07:31:34,084 INFO L78 Accepts]: Start accepts. Automaton has 1671 states and 2421 transitions. Word has length 165 [2022-03-20 07:31:34,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:31:34,084 INFO L478 AbstractCegarLoop]: Abstraction has 1671 states and 2421 transitions. [2022-03-20 07:31:34,085 INFO L479 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) [2022-03-20 07:31:34,085 INFO L276 IsEmpty]: Start isEmpty. Operand 1671 states and 2421 transitions. [2022-03-20 07:31:34,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2022-03-20 07:31:34,087 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:31:34,087 INFO L499 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] [2022-03-20 07:31:34,087 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-03-20 07:31:34,087 INFO L403 AbstractCegarLoop]: === Iteration 20 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:31:34,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:31:34,087 INFO L85 PathProgramCache]: Analyzing trace with hash 895050319, now seen corresponding path program 1 times [2022-03-20 07:31:34,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:31:34,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212655890] [2022-03-20 07:31:34,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:31:34,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:31:34,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:31:34,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:31:34,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:31:34,283 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2022-03-20 07:31:34,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:31:34,283 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212655890] [2022-03-20 07:31:34,283 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [212655890] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:31:34,283 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:31:34,284 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:31:34,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329677599] [2022-03-20 07:31:34,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:31:34,284 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:31:34,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:31:34,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:31:34,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:31:34,284 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) [2022-03-20 07:31:36,293 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:31:36,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:31:36,632 INFO L93 Difference]: Finished difference Result 2241 states and 3219 transitions. [2022-03-20 07:31:36,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:31:36,632 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 [2022-03-20 07:31:36,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:31:36,637 INFO L225 Difference]: With dead ends: 2241 [2022-03-20 07:31:36,637 INFO L226 Difference]: Without dead ends: 2241 [2022-03-20 07:31:36,637 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 07:31:36,638 INFO L913 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 [2022-03-20 07:31:36,638 INFO L914 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] [2022-03-20 07:31:36,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2241 states. [2022-03-20 07:31:36,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2241 to 1681. [2022-03-20 07:31:36,654 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) [2022-03-20 07:31:36,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1681 states to 1681 states and 2431 transitions. [2022-03-20 07:31:36,656 INFO L78 Accepts]: Start accepts. Automaton has 1681 states and 2431 transitions. Word has length 168 [2022-03-20 07:31:36,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:31:36,656 INFO L478 AbstractCegarLoop]: Abstraction has 1681 states and 2431 transitions. [2022-03-20 07:31:36,656 INFO L479 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) [2022-03-20 07:31:36,656 INFO L276 IsEmpty]: Start isEmpty. Operand 1681 states and 2431 transitions. [2022-03-20 07:31:36,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2022-03-20 07:31:36,659 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:31:36,659 INFO L499 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] [2022-03-20 07:31:36,659 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-03-20 07:31:36,659 INFO L403 AbstractCegarLoop]: === Iteration 21 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:31:36,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:31:36,659 INFO L85 PathProgramCache]: Analyzing trace with hash -575385625, now seen corresponding path program 1 times [2022-03-20 07:31:36,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:31:36,659 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739854727] [2022-03-20 07:31:36,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:31:36,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:31:36,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:31:36,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:31:36,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:31:36,852 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 213 proven. 0 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2022-03-20 07:31:36,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:31:36,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739854727] [2022-03-20 07:31:36,852 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739854727] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:31:36,853 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:31:36,853 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:31:36,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426409994] [2022-03-20 07:31:36,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:31:36,853 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:31:36,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:31:36,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:31:36,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:31:36,853 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) [2022-03-20 07:31:38,862 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:31:39,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:31:39,268 INFO L93 Difference]: Finished difference Result 2265 states and 3259 transitions. [2022-03-20 07:31:39,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:31:39,269 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 [2022-03-20 07:31:39,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:31:39,274 INFO L225 Difference]: With dead ends: 2265 [2022-03-20 07:31:39,274 INFO L226 Difference]: Without dead ends: 2265 [2022-03-20 07:31:39,274 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 07:31:39,274 INFO L913 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 [2022-03-20 07:31:39,274 INFO L914 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] [2022-03-20 07:31:39,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2265 states. [2022-03-20 07:31:39,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2265 to 1865. [2022-03-20 07:31:39,290 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) [2022-03-20 07:31:39,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1865 states to 1865 states and 2679 transitions. [2022-03-20 07:31:39,292 INFO L78 Accepts]: Start accepts. Automaton has 1865 states and 2679 transitions. Word has length 188 [2022-03-20 07:31:39,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:31:39,292 INFO L478 AbstractCegarLoop]: Abstraction has 1865 states and 2679 transitions. [2022-03-20 07:31:39,292 INFO L479 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) [2022-03-20 07:31:39,292 INFO L276 IsEmpty]: Start isEmpty. Operand 1865 states and 2679 transitions. [2022-03-20 07:31:39,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2022-03-20 07:31:39,295 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:31:39,295 INFO L499 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] [2022-03-20 07:31:39,295 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-03-20 07:31:39,295 INFO L403 AbstractCegarLoop]: === Iteration 22 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:31:39,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:31:39,295 INFO L85 PathProgramCache]: Analyzing trace with hash 2018841192, now seen corresponding path program 1 times [2022-03-20 07:31:39,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:31:39,296 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246966447] [2022-03-20 07:31:39,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:31:39,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:31:39,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:31:39,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:31:39,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:31:39,474 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 213 proven. 0 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2022-03-20 07:31:39,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:31:39,474 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246966447] [2022-03-20 07:31:39,474 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [246966447] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:31:39,474 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:31:39,474 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:31:39,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407629132] [2022-03-20 07:31:39,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:31:39,476 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:31:39,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:31:39,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:31:39,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:31:39,476 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) [2022-03-20 07:31:41,484 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:31:41,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:31:41,823 INFO L93 Difference]: Finished difference Result 2675 states and 3799 transitions. [2022-03-20 07:31:41,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:31:41,825 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 [2022-03-20 07:31:41,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:31:41,832 INFO L225 Difference]: With dead ends: 2675 [2022-03-20 07:31:41,832 INFO L226 Difference]: Without dead ends: 2675 [2022-03-20 07:31:41,832 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 07:31:41,832 INFO L913 BasicCegarLoop]: 100 mSDtfsCounter, 105 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 43 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s 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 [2022-03-20 07:31:41,833 INFO L914 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] [2022-03-20 07:31:41,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2675 states. [2022-03-20 07:31:41,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2675 to 1901. [2022-03-20 07:31:41,867 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) [2022-03-20 07:31:41,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1901 states to 1901 states and 2723 transitions. [2022-03-20 07:31:41,869 INFO L78 Accepts]: Start accepts. Automaton has 1901 states and 2723 transitions. Word has length 188 [2022-03-20 07:31:41,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:31:41,869 INFO L478 AbstractCegarLoop]: Abstraction has 1901 states and 2723 transitions. [2022-03-20 07:31:41,869 INFO L479 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) [2022-03-20 07:31:41,869 INFO L276 IsEmpty]: Start isEmpty. Operand 1901 states and 2723 transitions. [2022-03-20 07:31:41,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2022-03-20 07:31:41,872 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:31:41,873 INFO L499 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] [2022-03-20 07:31:41,873 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-03-20 07:31:41,873 INFO L403 AbstractCegarLoop]: === Iteration 23 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:31:41,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:31:41,874 INFO L85 PathProgramCache]: Analyzing trace with hash 273643671, now seen corresponding path program 1 times [2022-03-20 07:31:41,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:31:41,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017042356] [2022-03-20 07:31:41,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:31:41,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:31:41,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:31:42,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:31:42,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:31:42,052 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 216 proven. 0 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2022-03-20 07:31:42,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:31:42,053 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017042356] [2022-03-20 07:31:42,053 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017042356] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:31:42,053 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:31:42,053 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:31:42,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421698973] [2022-03-20 07:31:42,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:31:42,053 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:31:42,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:31:42,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:31:42,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:31:42,054 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) [2022-03-20 07:31:44,071 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:31:44,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:31:44,480 INFO L93 Difference]: Finished difference Result 2461 states and 3517 transitions. [2022-03-20 07:31:44,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:31:44,481 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 [2022-03-20 07:31:44,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:31:44,486 INFO L225 Difference]: With dead ends: 2461 [2022-03-20 07:31:44,486 INFO L226 Difference]: Without dead ends: 2461 [2022-03-20 07:31:44,486 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 07:31:44,486 INFO L913 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 [2022-03-20 07:31:44,486 INFO L914 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] [2022-03-20 07:31:44,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2461 states. [2022-03-20 07:31:44,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2461 to 2093. [2022-03-20 07:31:44,518 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) [2022-03-20 07:31:44,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2093 states to 2093 states and 2979 transitions. [2022-03-20 07:31:44,520 INFO L78 Accepts]: Start accepts. Automaton has 2093 states and 2979 transitions. Word has length 189 [2022-03-20 07:31:44,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:31:44,520 INFO L478 AbstractCegarLoop]: Abstraction has 2093 states and 2979 transitions. [2022-03-20 07:31:44,520 INFO L479 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) [2022-03-20 07:31:44,520 INFO L276 IsEmpty]: Start isEmpty. Operand 2093 states and 2979 transitions. [2022-03-20 07:31:44,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2022-03-20 07:31:44,527 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:31:44,528 INFO L499 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] [2022-03-20 07:31:44,528 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-03-20 07:31:44,528 INFO L403 AbstractCegarLoop]: === Iteration 24 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:31:44,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:31:44,528 INFO L85 PathProgramCache]: Analyzing trace with hash -909703626, now seen corresponding path program 1 times [2022-03-20 07:31:44,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:31:44,528 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261785316] [2022-03-20 07:31:44,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:31:44,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:31:44,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:31:44,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:31:44,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:31:44,715 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 216 proven. 0 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2022-03-20 07:31:44,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:31:44,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261785316] [2022-03-20 07:31:44,716 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261785316] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:31:44,716 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:31:44,716 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:31:44,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611406404] [2022-03-20 07:31:44,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:31:44,717 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:31:44,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:31:44,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:31:44,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:31:44,718 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) [2022-03-20 07:31:46,726 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:31:47,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:31:47,090 INFO L93 Difference]: Finished difference Result 2653 states and 3749 transitions. [2022-03-20 07:31:47,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:31:47,090 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 [2022-03-20 07:31:47,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:31:47,115 INFO L225 Difference]: With dead ends: 2653 [2022-03-20 07:31:47,115 INFO L226 Difference]: Without dead ends: 2653 [2022-03-20 07:31:47,115 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 07:31:47,122 INFO L913 BasicCegarLoop]: 105 mSDtfsCounter, 104 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 390 mSolverCounterSat, 44 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s 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, 2.4s IncrementalHoareTripleChecker+Time [2022-03-20 07:31:47,123 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [104 Valid, 296 Invalid, 435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 390 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-20 07:31:47,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2653 states. [2022-03-20 07:31:47,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2653 to 1901. [2022-03-20 07:31:47,156 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) [2022-03-20 07:31:47,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1901 states to 1901 states and 2705 transitions. [2022-03-20 07:31:47,158 INFO L78 Accepts]: Start accepts. Automaton has 1901 states and 2705 transitions. Word has length 189 [2022-03-20 07:31:47,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:31:47,158 INFO L478 AbstractCegarLoop]: Abstraction has 1901 states and 2705 transitions. [2022-03-20 07:31:47,159 INFO L479 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) [2022-03-20 07:31:47,159 INFO L276 IsEmpty]: Start isEmpty. Operand 1901 states and 2705 transitions. [2022-03-20 07:31:47,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2022-03-20 07:31:47,170 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:31:47,170 INFO L499 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] [2022-03-20 07:31:47,170 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-03-20 07:31:47,170 INFO L403 AbstractCegarLoop]: === Iteration 25 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:31:47,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:31:47,171 INFO L85 PathProgramCache]: Analyzing trace with hash -1067906419, now seen corresponding path program 1 times [2022-03-20 07:31:47,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:31:47,171 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740353616] [2022-03-20 07:31:47,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:31:47,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:31:47,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:31:47,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:31:47,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:31:47,374 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 217 proven. 0 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2022-03-20 07:31:47,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:31:47,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740353616] [2022-03-20 07:31:47,374 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [740353616] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:31:47,374 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:31:47,374 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:31:47,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913882506] [2022-03-20 07:31:47,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:31:47,375 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:31:47,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:31:47,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:31:47,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:31:47,375 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) [2022-03-20 07:31:49,396 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:31:49,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:31:49,746 INFO L93 Difference]: Finished difference Result 2731 states and 3833 transitions. [2022-03-20 07:31:49,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:31:49,747 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 [2022-03-20 07:31:49,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:31:49,751 INFO L225 Difference]: With dead ends: 2731 [2022-03-20 07:31:49,751 INFO L226 Difference]: Without dead ends: 2731 [2022-03-20 07:31:49,752 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 07:31:49,754 INFO L913 BasicCegarLoop]: 105 mSDtfsCounter, 90 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 395 mSolverCounterSat, 38 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s 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, 2.4s IncrementalHoareTripleChecker+Time [2022-03-20 07:31:49,754 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [90 Valid, 296 Invalid, 434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 395 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-20 07:31:49,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2731 states. [2022-03-20 07:31:49,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2731 to 2281. [2022-03-20 07:31:49,790 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) [2022-03-20 07:31:49,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2281 states to 2281 states and 3265 transitions. [2022-03-20 07:31:49,793 INFO L78 Accepts]: Start accepts. Automaton has 2281 states and 3265 transitions. Word has length 204 [2022-03-20 07:31:49,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:31:49,793 INFO L478 AbstractCegarLoop]: Abstraction has 2281 states and 3265 transitions. [2022-03-20 07:31:49,794 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.6) internal successors, (128), 4 states have internal predecessors, (128), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:31:49,794 INFO L276 IsEmpty]: Start isEmpty. Operand 2281 states and 3265 transitions. [2022-03-20 07:31:49,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2022-03-20 07:31:49,797 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:31:49,797 INFO L499 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] [2022-03-20 07:31:49,798 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-03-20 07:31:49,798 INFO L403 AbstractCegarLoop]: === Iteration 26 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:31:49,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:31:49,798 INFO L85 PathProgramCache]: Analyzing trace with hash -414762930, now seen corresponding path program 1 times [2022-03-20 07:31:49,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:31:49,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281234161] [2022-03-20 07:31:49,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:31:49,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:31:49,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:31:50,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:31:50,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:31:50,021 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 217 proven. 0 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2022-03-20 07:31:50,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:31:50,021 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281234161] [2022-03-20 07:31:50,021 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [281234161] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:31:50,021 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:31:50,021 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:31:50,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395891065] [2022-03-20 07:31:50,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:31:50,022 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:31:50,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:31:50,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:31:50,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:31:50,023 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) [2022-03-20 07:31:52,030 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:31:52,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:31:52,394 INFO L93 Difference]: Finished difference Result 2841 states and 4043 transitions. [2022-03-20 07:31:52,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:31:52,394 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 [2022-03-20 07:31:52,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:31:52,398 INFO L225 Difference]: With dead ends: 2841 [2022-03-20 07:31:52,399 INFO L226 Difference]: Without dead ends: 2841 [2022-03-20 07:31:52,399 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 07:31:52,399 INFO L913 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, 2.4s IncrementalHoareTripleChecker+Time [2022-03-20 07:31:52,399 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [88 Valid, 296 Invalid, 435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 390 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-20 07:31:52,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2841 states. [2022-03-20 07:31:52,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2841 to 2411. [2022-03-20 07:31:52,433 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) [2022-03-20 07:31:52,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2411 states to 2411 states and 3515 transitions. [2022-03-20 07:31:52,435 INFO L78 Accepts]: Start accepts. Automaton has 2411 states and 3515 transitions. Word has length 204 [2022-03-20 07:31:52,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:31:52,436 INFO L478 AbstractCegarLoop]: Abstraction has 2411 states and 3515 transitions. [2022-03-20 07:31:52,436 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.6) internal successors, (128), 4 states have internal predecessors, (128), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:31:52,436 INFO L276 IsEmpty]: Start isEmpty. Operand 2411 states and 3515 transitions. [2022-03-20 07:31:52,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2022-03-20 07:31:52,439 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:31:52,439 INFO L499 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] [2022-03-20 07:31:52,439 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-03-20 07:31:52,440 INFO L403 AbstractCegarLoop]: === Iteration 27 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:31:52,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:31:52,440 INFO L85 PathProgramCache]: Analyzing trace with hash -1678788067, now seen corresponding path program 1 times [2022-03-20 07:31:52,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:31:52,440 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457403166] [2022-03-20 07:31:52,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:31:52,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:31:52,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:31:52,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:31:52,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:31:52,646 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 217 proven. 0 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2022-03-20 07:31:52,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:31:52,646 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457403166] [2022-03-20 07:31:52,646 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457403166] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:31:52,646 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:31:52,646 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:31:52,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301761493] [2022-03-20 07:31:52,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:31:52,647 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:31:52,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:31:52,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:31:52,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:31:52,648 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) [2022-03-20 07:31:54,656 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:31:55,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:31:55,011 INFO L93 Difference]: Finished difference Result 2831 states and 4023 transitions. [2022-03-20 07:31:55,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:31:55,011 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 [2022-03-20 07:31:55,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:31:55,015 INFO L225 Difference]: With dead ends: 2831 [2022-03-20 07:31:55,015 INFO L226 Difference]: Without dead ends: 2831 [2022-03-20 07:31:55,016 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 07:31:55,017 INFO L913 BasicCegarLoop]: 106 mSDtfsCounter, 85 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 388 mSolverCounterSat, 44 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 388 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-03-20 07:31:55,017 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [85 Valid, 298 Invalid, 433 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 388 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-03-20 07:31:55,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2831 states. [2022-03-20 07:31:55,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2831 to 2421. [2022-03-20 07:31:55,064 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) [2022-03-20 07:31:55,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2421 states to 2421 states and 3525 transitions. [2022-03-20 07:31:55,067 INFO L78 Accepts]: Start accepts. Automaton has 2421 states and 3525 transitions. Word has length 205 [2022-03-20 07:31:55,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:31:55,067 INFO L478 AbstractCegarLoop]: Abstraction has 2421 states and 3525 transitions. [2022-03-20 07:31:55,067 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.8) internal successors, (129), 4 states have internal predecessors, (129), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:31:55,067 INFO L276 IsEmpty]: Start isEmpty. Operand 2421 states and 3525 transitions. [2022-03-20 07:31:55,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2022-03-20 07:31:55,070 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:31:55,070 INFO L499 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] [2022-03-20 07:31:55,070 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-03-20 07:31:55,070 INFO L403 AbstractCegarLoop]: === Iteration 28 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:31:55,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:31:55,071 INFO L85 PathProgramCache]: Analyzing trace with hash -1826088165, now seen corresponding path program 1 times [2022-03-20 07:31:55,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:31:55,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295215899] [2022-03-20 07:31:55,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:31:55,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:31:55,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:31:55,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:31:55,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:31:55,297 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 217 proven. 0 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2022-03-20 07:31:55,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:31:55,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295215899] [2022-03-20 07:31:55,297 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295215899] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:31:55,297 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:31:55,297 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:31:55,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572876136] [2022-03-20 07:31:55,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:31:55,298 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:31:55,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:31:55,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:31:55,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:31:55,298 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) [2022-03-20 07:31:57,311 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:31:57,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:31:57,625 INFO L93 Difference]: Finished difference Result 2757 states and 3959 transitions. [2022-03-20 07:31:57,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:31:57,625 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 [2022-03-20 07:31:57,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:31:57,628 INFO L225 Difference]: With dead ends: 2757 [2022-03-20 07:31:57,628 INFO L226 Difference]: Without dead ends: 2757 [2022-03-20 07:31:57,628 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 07:31:57,629 INFO L913 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 [2022-03-20 07:31:57,629 INFO L914 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] [2022-03-20 07:31:57,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2757 states. [2022-03-20 07:31:57,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2757 to 2653. [2022-03-20 07:31:57,646 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) [2022-03-20 07:31:57,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2653 states to 2653 states and 3837 transitions. [2022-03-20 07:31:57,649 INFO L78 Accepts]: Start accepts. Automaton has 2653 states and 3837 transitions. Word has length 205 [2022-03-20 07:31:57,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:31:57,649 INFO L478 AbstractCegarLoop]: Abstraction has 2653 states and 3837 transitions. [2022-03-20 07:31:57,649 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.8) internal successors, (129), 4 states have internal predecessors, (129), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:31:57,649 INFO L276 IsEmpty]: Start isEmpty. Operand 2653 states and 3837 transitions. [2022-03-20 07:31:57,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2022-03-20 07:31:57,652 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:31:57,652 INFO L499 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] [2022-03-20 07:31:57,652 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-03-20 07:31:57,652 INFO L403 AbstractCegarLoop]: === Iteration 29 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:31:57,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:31:57,652 INFO L85 PathProgramCache]: Analyzing trace with hash 661031610, now seen corresponding path program 1 times [2022-03-20 07:31:57,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:31:57,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401203523] [2022-03-20 07:31:57,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:31:57,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:31:57,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:31:57,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:31:57,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:31:57,840 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 217 proven. 0 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2022-03-20 07:31:57,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:31:57,840 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401203523] [2022-03-20 07:31:57,840 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401203523] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:31:57,840 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:31:57,840 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:31:57,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044823287] [2022-03-20 07:31:57,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:31:57,840 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:31:57,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:31:57,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:31:57,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:31:57,841 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) [2022-03-20 07:31:59,855 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:32:00,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:32:00,198 INFO L93 Difference]: Finished difference Result 3129 states and 4482 transitions. [2022-03-20 07:32:00,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:32:00,198 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 [2022-03-20 07:32:00,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:32:00,202 INFO L225 Difference]: With dead ends: 3129 [2022-03-20 07:32:00,202 INFO L226 Difference]: Without dead ends: 3129 [2022-03-20 07:32:00,202 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 07:32:00,203 INFO L913 BasicCegarLoop]: 203 mSDtfsCounter, 32 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 413 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s 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 [2022-03-20 07:32:00,203 INFO L914 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] [2022-03-20 07:32:00,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3129 states. [2022-03-20 07:32:00,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3129 to 2973. [2022-03-20 07:32:00,222 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) [2022-03-20 07:32:00,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2973 states to 2973 states and 4297 transitions. [2022-03-20 07:32:00,225 INFO L78 Accepts]: Start accepts. Automaton has 2973 states and 4297 transitions. Word has length 205 [2022-03-20 07:32:00,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:32:00,225 INFO L478 AbstractCegarLoop]: Abstraction has 2973 states and 4297 transitions. [2022-03-20 07:32:00,225 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.8) internal successors, (129), 4 states have internal predecessors, (129), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:32:00,225 INFO L276 IsEmpty]: Start isEmpty. Operand 2973 states and 4297 transitions. [2022-03-20 07:32:00,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2022-03-20 07:32:00,228 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:32:00,228 INFO L499 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] [2022-03-20 07:32:00,228 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-03-20 07:32:00,228 INFO L403 AbstractCegarLoop]: === Iteration 30 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:32:00,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:32:00,229 INFO L85 PathProgramCache]: Analyzing trace with hash -579543184, now seen corresponding path program 1 times [2022-03-20 07:32:00,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:32:00,229 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528881513] [2022-03-20 07:32:00,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:32:00,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:32:00,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:32:00,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:32:00,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:32:00,403 INFO L134 CoverageAnalysis]: Checked inductivity of 556 backedges. 242 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2022-03-20 07:32:00,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:32:00,403 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528881513] [2022-03-20 07:32:00,404 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528881513] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:32:00,404 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:32:00,404 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:32:00,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528595876] [2022-03-20 07:32:00,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:32:00,404 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:32:00,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:32:00,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:32:00,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:32:00,404 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) [2022-03-20 07:32:02,414 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:32:02,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:32:02,692 INFO L93 Difference]: Finished difference Result 3032 states and 4359 transitions. [2022-03-20 07:32:02,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:32:02,693 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 [2022-03-20 07:32:02,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:32:02,696 INFO L225 Difference]: With dead ends: 3032 [2022-03-20 07:32:02,696 INFO L226 Difference]: Without dead ends: 3032 [2022-03-20 07:32:02,696 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 07:32:02,697 INFO L913 BasicCegarLoop]: 189 mSDtfsCounter, 25 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 340 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 471 SdHoareTripleChecker+Invalid, 346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 340 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-03-20 07:32:02,698 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [25 Valid, 471 Invalid, 346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 340 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-03-20 07:32:02,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3032 states. [2022-03-20 07:32:02,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3032 to 2973. [2022-03-20 07:32:02,761 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) [2022-03-20 07:32:02,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2973 states to 2973 states and 4292 transitions. [2022-03-20 07:32:02,781 INFO L78 Accepts]: Start accepts. Automaton has 2973 states and 4292 transitions. Word has length 224 [2022-03-20 07:32:02,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:32:02,782 INFO L478 AbstractCegarLoop]: Abstraction has 2973 states and 4292 transitions. [2022-03-20 07:32:02,782 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.0) internal successors, (130), 4 states have internal predecessors, (130), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:32:02,782 INFO L276 IsEmpty]: Start isEmpty. Operand 2973 states and 4292 transitions. [2022-03-20 07:32:02,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2022-03-20 07:32:02,823 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:32:02,826 INFO L499 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] [2022-03-20 07:32:02,826 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-03-20 07:32:02,826 INFO L403 AbstractCegarLoop]: === Iteration 31 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:32:02,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:32:02,827 INFO L85 PathProgramCache]: Analyzing trace with hash 148358284, now seen corresponding path program 1 times [2022-03-20 07:32:02,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:32:02,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235077007] [2022-03-20 07:32:02,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:32:02,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:32:03,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:32:03,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:32:03,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:32:03,194 INFO L134 CoverageAnalysis]: Checked inductivity of 686 backedges. 416 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2022-03-20 07:32:03,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:32:03,194 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235077007] [2022-03-20 07:32:03,194 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [235077007] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:32:03,194 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:32:03,195 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:32:03,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287054016] [2022-03-20 07:32:03,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:32:03,195 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:32:03,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:32:03,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:32:03,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:32:03,195 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) [2022-03-20 07:32:05,203 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:32:05,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:32:05,502 INFO L93 Difference]: Finished difference Result 3045 states and 4368 transitions. [2022-03-20 07:32:05,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:32:05,502 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 [2022-03-20 07:32:05,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:32:05,506 INFO L225 Difference]: With dead ends: 3045 [2022-03-20 07:32:05,506 INFO L226 Difference]: Without dead ends: 3045 [2022-03-20 07:32:05,506 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 07:32:05,507 INFO L913 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 [2022-03-20 07:32:05,507 INFO L914 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] [2022-03-20 07:32:05,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3045 states. [2022-03-20 07:32:05,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3045 to 2973. [2022-03-20 07:32:05,525 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) [2022-03-20 07:32:05,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2973 states to 2973 states and 4284 transitions. [2022-03-20 07:32:05,528 INFO L78 Accepts]: Start accepts. Automaton has 2973 states and 4284 transitions. Word has length 225 [2022-03-20 07:32:05,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:32:05,528 INFO L478 AbstractCegarLoop]: Abstraction has 2973 states and 4284 transitions. [2022-03-20 07:32:05,528 INFO L479 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) [2022-03-20 07:32:05,528 INFO L276 IsEmpty]: Start isEmpty. Operand 2973 states and 4284 transitions. [2022-03-20 07:32:05,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2022-03-20 07:32:05,531 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:32:05,531 INFO L499 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] [2022-03-20 07:32:05,531 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-03-20 07:32:05,531 INFO L403 AbstractCegarLoop]: === Iteration 32 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:32:05,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:32:05,532 INFO L85 PathProgramCache]: Analyzing trace with hash 931737259, now seen corresponding path program 1 times [2022-03-20 07:32:05,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:32:05,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523988095] [2022-03-20 07:32:05,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:32:05,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:32:05,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:32:05,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:32:05,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:32:05,757 INFO L134 CoverageAnalysis]: Checked inductivity of 686 backedges. 416 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2022-03-20 07:32:05,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:32:05,757 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523988095] [2022-03-20 07:32:05,757 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [523988095] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:32:05,757 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:32:05,758 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 07:32:05,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430994744] [2022-03-20 07:32:05,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:32:05,758 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 07:32:05,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:32:05,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 07:32:05,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:32:05,758 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) [2022-03-20 07:32:07,771 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 07:32:08,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:32:08,039 INFO L93 Difference]: Finished difference Result 3089 states and 4412 transitions. [2022-03-20 07:32:08,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 07:32:08,039 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 [2022-03-20 07:32:08,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:32:08,071 INFO L225 Difference]: With dead ends: 3089 [2022-03-20 07:32:08,071 INFO L226 Difference]: Without dead ends: 3089 [2022-03-20 07:32:08,072 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 07:32:08,072 INFO L913 BasicCegarLoop]: 200 mSDtfsCounter, 40 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 396 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 396 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-03-20 07:32:08,072 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [40 Valid, 492 Invalid, 403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 396 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-03-20 07:32:08,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3089 states. [2022-03-20 07:32:08,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3089 to 2973. [2022-03-20 07:32:08,117 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) [2022-03-20 07:32:08,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2973 states to 2973 states and 4274 transitions. [2022-03-20 07:32:08,120 INFO L78 Accepts]: Start accepts. Automaton has 2973 states and 4274 transitions. Word has length 225 [2022-03-20 07:32:08,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:32:08,120 INFO L478 AbstractCegarLoop]: Abstraction has 2973 states and 4274 transitions. [2022-03-20 07:32:08,121 INFO L479 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) [2022-03-20 07:32:08,121 INFO L276 IsEmpty]: Start isEmpty. Operand 2973 states and 4274 transitions. [2022-03-20 07:32:08,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2022-03-20 07:32:08,124 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:32:08,124 INFO L499 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] [2022-03-20 07:32:08,124 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-03-20 07:32:08,124 INFO L403 AbstractCegarLoop]: === Iteration 33 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:32:08,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:32:08,125 INFO L85 PathProgramCache]: Analyzing trace with hash 831559952, now seen corresponding path program 1 times [2022-03-20 07:32:08,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:32:08,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50362307] [2022-03-20 07:32:08,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:32:08,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:32:09,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:32:09,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:32:09,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:32:09,772 INFO L134 CoverageAnalysis]: Checked inductivity of 585 backedges. 2 proven. 282 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2022-03-20 07:32:09,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:32:09,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50362307] [2022-03-20 07:32:09,772 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50362307] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-20 07:32:09,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1796753018] [2022-03-20 07:32:09,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:32:09,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-20 07:32:09,773 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 07:32:09,788 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-20 07:32:09,853 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-20 07:32:11,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:32:11,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 1774 conjuncts, 292 conjunts are in the unsatisfiable core [2022-03-20 07:32:11,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-20 07:32:11,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:32:11,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:32:11,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:32:11,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:32:11,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:32:11,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:32:11,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:32:11,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:32:11,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:32:11,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:32:11,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:32:11,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:32:11,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:32:11,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:32:11,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:32:11,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:32:11,918 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-20 07:32:11,921 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 [2022-03-20 07:32:11,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:32:11,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:32:11,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:32:11,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:32:11,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:32:11,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:32:11,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:32:11,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:32:12,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:32:12,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:32:16,928 INFO L356 Elim1Store]: treesize reduction 1966, result has 25.0 percent of original size [2022-03-20 07:32:16,929 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 173792 [2022-03-20 07:32:17,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:32:17,482 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 169552 treesize of output 168970 [2022-03-20 07:32:17,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:32:17,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:32:17,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:32:17,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:32:17,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:32:17,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:32:17,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:32:17,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:32:17,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:32:17,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:32:17,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:32:17,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:32:17,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:32:17,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:32:17,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:32:17,948 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 168970 treesize of output 167824 [2022-03-20 07:32:18,334 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 168275 treesize of output 159891 [2022-03-20 07:32:22,942 INFO L356 Elim1Store]: treesize reduction 550, result has 6.0 percent of original size [2022-03-20 07:32:22,944 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 1292601 treesize of output 1169918 [2022-03-20 07:32:24,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:32:24,992 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 188278 treesize of output 131164 [2022-03-20 07:32:25,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:32:25,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:32:25,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:32:25,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:32:25,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:32:25,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:32:25,595 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-20 07:32:25,757 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-20 07:32:25,813 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-20 07:32:25,880 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-20 07:32:25,892 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-20 07:32:26,150 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-20 07:32:26,256 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-20 07:32:26,266 INFO L244 Elim1Store]: Index analysis took 970 ms [2022-03-20 07:32:26,549 INFO L356 Elim1Store]: treesize reduction 464, result has 0.2 percent of original size [2022-03-20 07:32:26,549 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 904 treesize of output 1303 [2022-03-20 07:32:27,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:32:27,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:32:27,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:32:27,681 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 1725 treesize of output 1425 [2022-03-20 07:32:28,494 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 1396 treesize of output 1168 [2022-03-20 07:32:28,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:32:28,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:32:28,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:32:28,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:32:28,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:32:28,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:32:28,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:32:28,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:32:28,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:32:28,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:32:28,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:32:28,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:32:28,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:32:29,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:32:29,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:32:29,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:32:29,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:32:29,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 07:32:29,127 INFO L244 Elim1Store]: Index analysis took 298 ms [2022-03-20 07:32:29,438 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 18 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 263 [2022-03-20 07:32:30,189 INFO L356 Elim1Store]: treesize reduction 183, result has 0.5 percent of original size [2022-03-20 07:32:30,189 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 286 treesize of output 233 [2022-03-20 07:32:31,080 WARN L319 FreeRefinementEngine]: Global settings require throwing the following exception [2022-03-20 07:32:31,105 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-20 07:32:31,281 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2022-03-20 07:32:31,282 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:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:266) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:147) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:595) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:414) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:349) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:331) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:414) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:264) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:177) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:156) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-03-20 07:32:31,292 INFO L158 Benchmark]: Toolchain (without parser) took 146645.94ms. Allocated memory was 164.6MB in the beginning and 738.2MB in the end (delta: 573.6MB). Free memory was 112.8MB in the beginning and 184.0MB in the end (delta: -71.3MB). Peak memory consumption was 530.7MB. Max. memory is 8.0GB. [2022-03-20 07:32:31,292 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 164.6MB. Free memory is still 131.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-20 07:32:31,292 INFO L158 Benchmark]: CACSL2BoogieTranslator took 432.05ms. Allocated memory is still 164.6MB. Free memory was 112.4MB in the beginning and 122.7MB in the end (delta: -10.2MB). Peak memory consumption was 13.4MB. Max. memory is 8.0GB. [2022-03-20 07:32:31,292 INFO L158 Benchmark]: Boogie Preprocessor took 86.44ms. Allocated memory is still 164.6MB. Free memory was 122.7MB in the beginning and 115.7MB in the end (delta: 7.0MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2022-03-20 07:32:31,292 INFO L158 Benchmark]: RCFGBuilder took 1578.93ms. Allocated memory is still 164.6MB. Free memory was 115.7MB in the beginning and 78.8MB in the end (delta: 37.0MB). Peak memory consumption was 37.9MB. Max. memory is 8.0GB. [2022-03-20 07:32:31,292 INFO L158 Benchmark]: IcfgTransformer took 55.93ms. Allocated memory is still 164.6MB. Free memory was 78.8MB in the beginning and 73.5MB in the end (delta: 5.2MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2022-03-20 07:32:31,292 INFO L158 Benchmark]: TraceAbstraction took 144485.63ms. Allocated memory was 164.6MB in the beginning and 738.2MB in the end (delta: 573.6MB). Free memory was 73.0MB in the beginning and 184.0MB in the end (delta: -111.0MB). Peak memory consumption was 489.9MB. Max. memory is 8.0GB. [2022-03-20 07:32:31,293 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 164.6MB. Free memory is still 131.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 432.05ms. Allocated memory is still 164.6MB. Free memory was 112.4MB in the beginning and 122.7MB in the end (delta: -10.2MB). Peak memory consumption was 13.4MB. Max. memory is 8.0GB. * Boogie Preprocessor took 86.44ms. Allocated memory is still 164.6MB. Free memory was 122.7MB in the beginning and 115.7MB in the end (delta: 7.0MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * RCFGBuilder took 1578.93ms. Allocated memory is still 164.6MB. Free memory was 115.7MB in the beginning and 78.8MB in the end (delta: 37.0MB). Peak memory consumption was 37.9MB. Max. memory is 8.0GB. * IcfgTransformer took 55.93ms. Allocated memory is still 164.6MB. Free memory was 78.8MB in the beginning and 73.5MB in the end (delta: 5.2MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * TraceAbstraction took 144485.63ms. Allocated memory was 164.6MB in the beginning and 738.2MB in the end (delta: 573.6MB). Free memory was 73.0MB in the beginning and 184.0MB in the end (delta: -111.0MB). Peak memory consumption was 489.9MB. 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. [2022-03-20 07:32:31,324 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...