./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5b36d44f Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1b79bc3bed5bfb059718e76e7116aac9b8952405f0b578f08aab2c60e1303883 --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5b36d44 [2021-11-07 20:02:27,713 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 20:02:27,718 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 20:02:27,753 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 20:02:27,754 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 20:02:27,755 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 20:02:27,756 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 20:02:27,759 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 20:02:27,760 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 20:02:27,761 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 20:02:27,762 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 20:02:27,763 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 20:02:27,764 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 20:02:27,767 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 20:02:27,769 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 20:02:27,770 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 20:02:27,772 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 20:02:27,774 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 20:02:27,774 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 20:02:27,777 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 20:02:27,780 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 20:02:27,781 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 20:02:27,781 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 20:02:27,782 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 20:02:27,784 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 20:02:27,786 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 20:02:27,786 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 20:02:27,787 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 20:02:27,788 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 20:02:27,788 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 20:02:27,789 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 20:02:27,789 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 20:02:27,789 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 20:02:27,790 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 20:02:27,790 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 20:02:27,791 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 20:02:27,791 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 20:02:27,791 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 20:02:27,791 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 20:02:27,792 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 20:02:27,792 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 20:02:27,796 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-07 20:02:27,825 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 20:02:27,825 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 20:02:27,826 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-07 20:02:27,826 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-07 20:02:27,827 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 20:02:27,827 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 20:02:27,827 INFO L138 SettingsManager]: * Use SBE=true [2021-11-07 20:02:27,827 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 20:02:27,827 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 20:02:27,828 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 20:02:27,828 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 20:02:27,828 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 20:02:27,829 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 20:02:27,829 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 20:02:27,829 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 20:02:27,829 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 20:02:27,829 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 20:02:27,829 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 20:02:27,830 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 20:02:27,830 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 20:02:27,831 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 20:02:27,834 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 20:02:27,834 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 20:02:27,834 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-07 20:02:27,835 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 20:02:27,835 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-07 20:02:27,835 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-07 20:02:27,836 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 20:02:27,836 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 20:02:27,836 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b79bc3bed5bfb059718e76e7116aac9b8952405f0b578f08aab2c60e1303883 [2021-11-07 20:02:28,014 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 20:02:28,031 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 20:02:28,033 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 20:02:28,034 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 20:02:28,034 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 20:02:28,035 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i [2021-11-07 20:02:28,103 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/741fca4ba/8a7cad71554044bb9e13b4459c46165f/FLAGe8ae4d070 [2021-11-07 20:02:28,847 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 20:02:28,847 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i [2021-11-07 20:02:28,894 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/741fca4ba/8a7cad71554044bb9e13b4459c46165f/FLAGe8ae4d070 [2021-11-07 20:02:29,110 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/741fca4ba/8a7cad71554044bb9e13b4459c46165f [2021-11-07 20:02:29,112 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 20:02:29,113 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 20:02:29,114 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 20:02:29,114 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 20:02:29,117 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 20:02:29,117 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:02:29" (1/1) ... [2021-11-07 20:02:29,118 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50547b4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:02:29, skipping insertion in model container [2021-11-07 20:02:29,118 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:02:29" (1/1) ... [2021-11-07 20:02:29,122 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 20:02:29,224 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 20:02:33,805 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[489067,489080] [2021-11-07 20:02:33,809 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[489212,489225] [2021-11-07 20:02:33,810 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[489358,489371] [2021-11-07 20:02:33,811 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[489523,489536] [2021-11-07 20:02:33,811 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[489681,489694] [2021-11-07 20:02:33,811 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[489839,489852] [2021-11-07 20:02:33,812 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[489997,490010] [2021-11-07 20:02:33,812 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[490157,490170] [2021-11-07 20:02:33,812 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[490316,490329] [2021-11-07 20:02:33,813 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[490455,490468] [2021-11-07 20:02:33,813 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[490597,490610] [2021-11-07 20:02:33,813 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[490746,490759] [2021-11-07 20:02:33,814 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[490885,490898] [2021-11-07 20:02:33,814 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[491040,491053] [2021-11-07 20:02:33,814 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[491200,491213] [2021-11-07 20:02:33,815 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[491351,491364] [2021-11-07 20:02:33,815 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[491502,491515] [2021-11-07 20:02:33,815 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[491654,491667] [2021-11-07 20:02:33,816 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[491803,491816] [2021-11-07 20:02:33,816 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[491951,491964] [2021-11-07 20:02:33,817 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[492108,492121] [2021-11-07 20:02:33,817 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[492257,492270] [2021-11-07 20:02:33,817 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[492413,492426] [2021-11-07 20:02:33,818 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[492566,492579] [2021-11-07 20:02:33,818 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[492712,492725] [2021-11-07 20:02:33,818 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[492855,492868] [2021-11-07 20:02:33,819 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[493007,493020] [2021-11-07 20:02:33,819 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[493153,493166] [2021-11-07 20:02:33,819 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[493298,493311] [2021-11-07 20:02:33,819 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[493452,493465] [2021-11-07 20:02:33,820 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[493603,493616] [2021-11-07 20:02:33,820 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[493758,493771] [2021-11-07 20:02:33,820 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[493910,493923] [2021-11-07 20:02:33,821 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[494065,494078] [2021-11-07 20:02:33,821 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[494229,494242] [2021-11-07 20:02:33,821 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[494385,494398] [2021-11-07 20:02:33,822 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[494549,494562] [2021-11-07 20:02:33,822 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[494691,494704] [2021-11-07 20:02:33,822 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[494849,494862] [2021-11-07 20:02:33,822 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[495016,495029] [2021-11-07 20:02:33,823 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[495175,495188] [2021-11-07 20:02:33,823 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[495334,495347] [2021-11-07 20:02:33,823 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[495483,495496] [2021-11-07 20:02:33,824 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[495630,495643] [2021-11-07 20:02:33,824 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[495769,495782] [2021-11-07 20:02:33,824 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[495932,495945] [2021-11-07 20:02:33,824 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[496098,496111] [2021-11-07 20:02:33,825 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[496262,496275] [2021-11-07 20:02:33,825 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[496427,496440] [2021-11-07 20:02:33,825 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[496592,496605] [2021-11-07 20:02:33,826 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[496758,496771] [2021-11-07 20:02:33,826 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[496923,496936] [2021-11-07 20:02:33,826 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[497090,497103] [2021-11-07 20:02:33,827 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[497250,497263] [2021-11-07 20:02:33,827 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[497412,497425] [2021-11-07 20:02:33,827 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[497571,497584] [2021-11-07 20:02:33,827 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[497717,497730] [2021-11-07 20:02:33,828 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[497860,497873] [2021-11-07 20:02:33,828 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[498004,498017] [2021-11-07 20:02:33,828 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[498147,498160] [2021-11-07 20:02:33,829 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[498291,498304] [2021-11-07 20:02:33,829 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[498432,498445] [2021-11-07 20:02:33,829 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[498570,498583] [2021-11-07 20:02:33,830 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[498728,498741] [2021-11-07 20:02:33,830 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[498887,498900] [2021-11-07 20:02:33,830 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[499043,499056] [2021-11-07 20:02:33,831 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[499192,499205] [2021-11-07 20:02:33,831 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[499344,499357] [2021-11-07 20:02:33,831 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[499495,499508] [2021-11-07 20:02:33,831 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[499644,499657] [2021-11-07 20:02:33,832 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[499796,499809] [2021-11-07 20:02:33,832 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[499944,499957] [2021-11-07 20:02:33,832 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[500097,500110] [2021-11-07 20:02:33,833 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[500248,500261] [2021-11-07 20:02:33,833 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[500398,500411] [2021-11-07 20:02:33,833 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[500545,500558] [2021-11-07 20:02:33,834 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[500696,500709] [2021-11-07 20:02:33,834 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[500847,500860] [2021-11-07 20:02:33,834 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[500995,501008] [2021-11-07 20:02:33,834 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[501161,501174] [2021-11-07 20:02:33,835 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[501330,501343] [2021-11-07 20:02:33,835 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[501497,501510] [2021-11-07 20:02:33,835 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[501665,501678] [2021-11-07 20:02:33,836 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[501815,501828] [2021-11-07 20:02:33,836 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[501962,501975] [2021-11-07 20:02:33,836 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[502123,502136] [2021-11-07 20:02:33,836 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[502293,502306] [2021-11-07 20:02:33,837 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[502455,502468] [2021-11-07 20:02:33,845 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 20:02:33,892 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 20:02:34,231 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[489067,489080] [2021-11-07 20:02:34,232 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[489212,489225] [2021-11-07 20:02:34,235 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[489358,489371] [2021-11-07 20:02:34,236 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[489523,489536] [2021-11-07 20:02:34,237 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[489681,489694] [2021-11-07 20:02:34,237 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[489839,489852] [2021-11-07 20:02:34,238 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[489997,490010] [2021-11-07 20:02:34,238 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[490157,490170] [2021-11-07 20:02:34,239 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[490316,490329] [2021-11-07 20:02:34,239 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[490455,490468] [2021-11-07 20:02:34,240 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[490597,490610] [2021-11-07 20:02:34,240 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[490746,490759] [2021-11-07 20:02:34,240 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[490885,490898] [2021-11-07 20:02:34,241 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[491040,491053] [2021-11-07 20:02:34,241 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[491200,491213] [2021-11-07 20:02:34,241 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[491351,491364] [2021-11-07 20:02:34,242 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[491502,491515] [2021-11-07 20:02:34,242 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[491654,491667] [2021-11-07 20:02:34,242 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[491803,491816] [2021-11-07 20:02:34,242 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[491951,491964] [2021-11-07 20:02:34,243 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[492108,492121] [2021-11-07 20:02:34,244 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[492257,492270] [2021-11-07 20:02:34,244 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[492413,492426] [2021-11-07 20:02:34,244 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[492566,492579] [2021-11-07 20:02:34,244 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[492712,492725] [2021-11-07 20:02:34,245 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[492855,492868] [2021-11-07 20:02:34,245 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[493007,493020] [2021-11-07 20:02:34,245 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[493153,493166] [2021-11-07 20:02:34,245 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[493298,493311] [2021-11-07 20:02:34,246 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[493452,493465] [2021-11-07 20:02:34,246 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[493603,493616] [2021-11-07 20:02:34,246 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[493758,493771] [2021-11-07 20:02:34,246 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[493910,493923] [2021-11-07 20:02:34,247 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[494065,494078] [2021-11-07 20:02:34,247 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[494229,494242] [2021-11-07 20:02:34,248 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[494385,494398] [2021-11-07 20:02:34,248 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[494549,494562] [2021-11-07 20:02:34,248 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[494691,494704] [2021-11-07 20:02:34,248 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[494849,494862] [2021-11-07 20:02:34,249 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[495016,495029] [2021-11-07 20:02:34,249 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[495175,495188] [2021-11-07 20:02:34,250 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[495334,495347] [2021-11-07 20:02:34,250 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[495483,495496] [2021-11-07 20:02:34,251 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[495630,495643] [2021-11-07 20:02:34,251 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[495769,495782] [2021-11-07 20:02:34,251 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[495932,495945] [2021-11-07 20:02:34,252 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[496098,496111] [2021-11-07 20:02:34,252 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[496262,496275] [2021-11-07 20:02:34,252 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[496427,496440] [2021-11-07 20:02:34,253 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[496592,496605] [2021-11-07 20:02:34,253 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[496758,496771] [2021-11-07 20:02:34,253 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[496923,496936] [2021-11-07 20:02:34,254 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[497090,497103] [2021-11-07 20:02:34,254 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[497250,497263] [2021-11-07 20:02:34,254 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[497412,497425] [2021-11-07 20:02:34,255 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[497571,497584] [2021-11-07 20:02:34,255 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[497717,497730] [2021-11-07 20:02:34,255 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[497860,497873] [2021-11-07 20:02:34,256 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[498004,498017] [2021-11-07 20:02:34,256 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[498147,498160] [2021-11-07 20:02:34,256 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[498291,498304] [2021-11-07 20:02:34,256 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[498432,498445] [2021-11-07 20:02:34,257 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[498570,498583] [2021-11-07 20:02:34,257 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[498728,498741] [2021-11-07 20:02:34,258 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[498887,498900] [2021-11-07 20:02:34,262 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[499043,499056] [2021-11-07 20:02:34,263 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[499192,499205] [2021-11-07 20:02:34,264 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[499344,499357] [2021-11-07 20:02:34,264 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[499495,499508] [2021-11-07 20:02:34,265 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[499644,499657] [2021-11-07 20:02:34,265 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[499796,499809] [2021-11-07 20:02:34,266 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[499944,499957] [2021-11-07 20:02:34,266 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[500097,500110] [2021-11-07 20:02:34,266 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[500248,500261] [2021-11-07 20:02:34,270 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[500398,500411] [2021-11-07 20:02:34,271 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[500545,500558] [2021-11-07 20:02:34,271 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[500696,500709] [2021-11-07 20:02:34,272 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[500847,500860] [2021-11-07 20:02:34,272 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[500995,501008] [2021-11-07 20:02:34,273 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[501161,501174] [2021-11-07 20:02:34,273 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[501330,501343] [2021-11-07 20:02:34,274 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[501497,501510] [2021-11-07 20:02:34,274 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[501665,501678] [2021-11-07 20:02:34,274 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[501815,501828] [2021-11-07 20:02:34,274 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[501962,501975] [2021-11-07 20:02:34,275 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[502123,502136] [2021-11-07 20:02:34,275 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[502293,502306] [2021-11-07 20:02:34,275 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[502455,502468] [2021-11-07 20:02:34,279 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 20:02:34,613 INFO L208 MainTranslator]: Completed translation [2021-11-07 20:02:34,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:02:34 WrapperNode [2021-11-07 20:02:34,614 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 20:02:34,615 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 20:02:34,615 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 20:02:34,615 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 20:02:34,620 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:02:34" (1/1) ... [2021-11-07 20:02:34,716 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:02:34" (1/1) ... [2021-11-07 20:02:34,973 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 20:02:34,974 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 20:02:34,974 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 20:02:34,974 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 20:02:34,980 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:02:34" (1/1) ... [2021-11-07 20:02:34,980 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:02:34" (1/1) ... [2021-11-07 20:02:35,026 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:02:34" (1/1) ... [2021-11-07 20:02:35,027 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:02:34" (1/1) ... [2021-11-07 20:02:35,305 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:02:34" (1/1) ... [2021-11-07 20:02:35,331 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:02:34" (1/1) ... [2021-11-07 20:02:35,399 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:02:34" (1/1) ... [2021-11-07 20:02:35,449 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 20:02:35,450 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 20:02:35,451 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 20:02:35,451 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 20:02:35,452 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:02:34" (1/1) ... [2021-11-07 20:02:35,467 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 20:02:35,487 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 20:02:35,512 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) [2021-11-07 20:02:35,529 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 [2021-11-07 20:02:35,540 INFO L130 BoogieDeclarations]: Found specification of procedure intf_next_seq [2021-11-07 20:02:35,540 INFO L138 BoogieDeclarations]: Found implementation of procedure intf_next_seq [2021-11-07 20:02:35,540 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~ipmi_smi_t~0~X~$Pointer$~TO~VOID [2021-11-07 20:02:35,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~ipmi_smi_t~0~X~$Pointer$~TO~VOID [2021-11-07 20:02:35,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-07 20:02:35,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_195 [2021-11-07 20:02:35,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_195 [2021-11-07 20:02:35,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_194 [2021-11-07 20:02:35,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_194 [2021-11-07 20:02:35,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_15_2 [2021-11-07 20:02:35,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_15_2 [2021-11-07 20:02:35,541 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-11-07 20:02:35,541 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-11-07 20:02:35,541 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 20:02:35,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-11-07 20:02:35,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-11-07 20:02:35,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 20:02:35,542 INFO L130 BoogieDeclarations]: Found specification of procedure handle_new_recv_msgs [2021-11-07 20:02:35,542 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_new_recv_msgs [2021-11-07 20:02:35,542 INFO L130 BoogieDeclarations]: Found specification of procedure intf_free [2021-11-07 20:02:35,542 INFO L138 BoogieDeclarations]: Found implementation of procedure intf_free [2021-11-07 20:02:35,542 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-11-07 20:02:35,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-11-07 20:02:35,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 20:02:35,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 20:02:35,543 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_smi_msg_received [2021-11-07 20:02:35,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_smi_msg_received [2021-11-07 20:02:35,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-07 20:02:35,543 INFO L130 BoogieDeclarations]: Found specification of procedure handle_ipmb_get_msg_cmd [2021-11-07 20:02:35,543 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_ipmb_get_msg_cmd [2021-11-07 20:02:35,543 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_free_smi_msg [2021-11-07 20:02:35,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_free_smi_msg [2021-11-07 20:02:35,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 20:02:35,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 20:02:35,544 INFO L130 BoogieDeclarations]: Found specification of procedure clean_up_interface_data [2021-11-07 20:02:35,544 INFO L138 BoogieDeclarations]: Found implementation of procedure clean_up_interface_data [2021-11-07 20:02:35,544 INFO L130 BoogieDeclarations]: Found specification of procedure handle_ipmb_get_msg_rsp [2021-11-07 20:02:35,544 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_ipmb_get_msg_rsp [2021-11-07 20:02:35,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-07 20:02:35,544 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_timeout_handler [2021-11-07 20:02:35,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_timeout_handler [2021-11-07 20:02:35,545 INFO L130 BoogieDeclarations]: Found specification of procedure intf_err_seq [2021-11-07 20:02:35,545 INFO L138 BoogieDeclarations]: Found implementation of procedure intf_err_seq [2021-11-07 20:02:35,545 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_timeout [2021-11-07 20:02:35,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_timeout [2021-11-07 20:02:35,545 INFO L130 BoogieDeclarations]: Found specification of procedure smi_recv_tasklet [2021-11-07 20:02:35,545 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_recv_tasklet [2021-11-07 20:02:35,545 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_free_recv_msg [2021-11-07 20:02:35,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_free_recv_msg [2021-11-07 20:02:35,546 INFO L130 BoogieDeclarations]: Found specification of procedure handle_lan_get_msg_cmd [2021-11-07 20:02:35,546 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_lan_get_msg_cmd [2021-11-07 20:02:35,546 INFO L130 BoogieDeclarations]: Found specification of procedure handle_bmc_rsp [2021-11-07 20:02:35,546 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_bmc_rsp [2021-11-07 20:02:35,546 INFO L130 BoogieDeclarations]: Found specification of procedure handle_oem_get_msg_cmd [2021-11-07 20:02:35,546 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_oem_get_msg_cmd [2021-11-07 20:02:35,546 INFO L130 BoogieDeclarations]: Found specification of procedure need_waiter [2021-11-07 20:02:35,546 INFO L138 BoogieDeclarations]: Found implementation of procedure need_waiter [2021-11-07 20:02:35,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 20:02:35,547 INFO L130 BoogieDeclarations]: Found specification of procedure i_ipmi_request [2021-11-07 20:02:35,547 INFO L138 BoogieDeclarations]: Found implementation of procedure i_ipmi_request [2021-11-07 20:02:35,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-07 20:02:35,547 INFO L130 BoogieDeclarations]: Found specification of procedure free_smi_msg_list [2021-11-07 20:02:35,547 INFO L138 BoogieDeclarations]: Found implementation of procedure free_smi_msg_list [2021-11-07 20:02:35,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-07 20:02:35,547 INFO L130 BoogieDeclarations]: Found specification of procedure deliver_err_response [2021-11-07 20:02:35,547 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver_err_response [2021-11-07 20:02:35,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_17_2 [2021-11-07 20:02:35,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_17_2 [2021-11-07 20:02:35,548 INFO L130 BoogieDeclarations]: Found specification of procedure send_channel_info_cmd [2021-11-07 20:02:35,548 INFO L138 BoogieDeclarations]: Found implementation of procedure send_channel_info_cmd [2021-11-07 20:02:35,548 INFO L130 BoogieDeclarations]: Found specification of procedure handle_one_recv_msg [2021-11-07 20:02:35,548 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_one_recv_msg [2021-11-07 20:02:35,548 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-07 20:02:35,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-07 20:02:35,548 INFO L130 BoogieDeclarations]: Found specification of procedure channel_handler [2021-11-07 20:02:35,549 INFO L138 BoogieDeclarations]: Found implementation of procedure channel_handler [2021-11-07 20:02:35,549 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2021-11-07 20:02:35,549 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2021-11-07 20:02:35,549 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2021-11-07 20:02:35,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-07 20:02:35,549 INFO L130 BoogieDeclarations]: Found specification of procedure handle_read_event_rsp [2021-11-07 20:02:35,549 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_read_event_rsp [2021-11-07 20:02:35,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-07 20:02:35,549 INFO L130 BoogieDeclarations]: Found specification of procedure handle_lan_get_msg_rsp [2021-11-07 20:02:35,550 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_lan_get_msg_rsp [2021-11-07 20:02:35,550 INFO L130 BoogieDeclarations]: Found specification of procedure free_recv_msg_list [2021-11-07 20:02:35,550 INFO L138 BoogieDeclarations]: Found implementation of procedure free_recv_msg_list [2021-11-07 20:02:35,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_15 [2021-11-07 20:02:35,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_15 [2021-11-07 20:02:35,550 INFO L130 BoogieDeclarations]: Found specification of procedure deliver_response [2021-11-07 20:02:35,550 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver_response [2021-11-07 20:02:35,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 20:02:35,550 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-11-07 20:02:52,235 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_entry_EMGentry_20_returnLabel: main_#res := 0; [2021-11-07 20:02:52,235 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-07 20:02:52,235 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L11138: #t~ret1806 := main_#res; [2021-11-07 20:02:52,520 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 20:02:52,520 INFO L299 CfgBuilder]: Removed 2579 assume(true) statements. [2021-11-07 20:02:52,524 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:02:52 BoogieIcfgContainer [2021-11-07 20:02:52,524 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 20:02:52,526 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 20:02:52,526 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 20:02:52,528 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 20:02:52,528 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 08:02:29" (1/3) ... [2021-11-07 20:02:52,529 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4aa75568 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:02:52, skipping insertion in model container [2021-11-07 20:02:52,529 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:02:34" (2/3) ... [2021-11-07 20:02:52,529 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4aa75568 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:02:52, skipping insertion in model container [2021-11-07 20:02:52,529 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:02:52" (3/3) ... [2021-11-07 20:02:52,530 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i [2021-11-07 20:02:52,533 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 20:02:52,533 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 114 error locations. [2021-11-07 20:02:52,575 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 20:02:52,579 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 20:02:52,580 INFO L340 AbstractCegarLoop]: Starting to check reachability of 114 error locations. [2021-11-07 20:02:52,616 INFO L276 IsEmpty]: Start isEmpty. Operand has 2540 states, 2307 states have (on average 1.3814477676636325) internal successors, (3187), 2441 states have internal predecessors, (3187), 81 states have call successors, (81), 38 states have call predecessors, (81), 38 states have return successors, (81), 77 states have call predecessors, (81), 81 states have call successors, (81) [2021-11-07 20:02:52,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-07 20:02:52,620 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:02:52,621 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:02:52,621 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ipmi_timeout_handlerErr0ASSERT_VIOLATIONERROR_FUNCTION, ipmi_timeout_handlerErr1ASSERT_VIOLATIONERROR_FUNCTION, ipmi_timeout_handlerErr2ASSERT_VIOLATIONERROR_FUNCTION (and 111 more)] === [2021-11-07 20:02:52,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:02:52,625 INFO L85 PathProgramCache]: Analyzing trace with hash 210526816, now seen corresponding path program 1 times [2021-11-07 20:02:52,631 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:02:52,631 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666392090] [2021-11-07 20:02:52,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:02:52,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:02:52,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:02:53,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:02:53,170 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:02:53,170 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666392090] [2021-11-07 20:02:53,170 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666392090] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:02:53,171 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:02:53,171 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 20:02:53,172 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805781901] [2021-11-07 20:02:53,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:02:53,177 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 20:02:53,177 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:02:53,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 20:02:53,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 20:02:53,203 INFO L87 Difference]: Start difference. First operand has 2540 states, 2307 states have (on average 1.3814477676636325) internal successors, (3187), 2441 states have internal predecessors, (3187), 81 states have call successors, (81), 38 states have call predecessors, (81), 38 states have return successors, (81), 77 states have call predecessors, (81), 81 states have call successors, (81) Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:02:53,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:02:53,411 INFO L93 Difference]: Finished difference Result 5736 states and 7594 transitions. [2021-11-07 20:02:53,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 20:02:53,413 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2021-11-07 20:02:53,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:02:53,441 INFO L225 Difference]: With dead ends: 5736 [2021-11-07 20:02:53,441 INFO L226 Difference]: Without dead ends: 2932 [2021-11-07 20:02:53,457 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.38ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 20:02:53,460 INFO L933 BasicCegarLoop]: 3223 mSDtfsCounter, 3208 mSDsluCounter, 840 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.31ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3208 SdHoareTripleChecker+Valid, 4063 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 19.44ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.47ms IncrementalHoareTripleChecker+Time [2021-11-07 20:02:53,461 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3208 Valid, 4063 Invalid, 7 Unknown, 0 Unchecked, 19.44ms Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 19.47ms Time] [2021-11-07 20:02:53,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2932 states. [2021-11-07 20:02:53,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2932 to 2847. [2021-11-07 20:02:53,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2847 states, 2614 states have (on average 1.237184391736802) internal successors, (3234), 2748 states have internal predecessors, (3234), 81 states have call successors, (81), 38 states have call predecessors, (81), 38 states have return successors, (81), 77 states have call predecessors, (81), 81 states have call successors, (81) [2021-11-07 20:02:53,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2847 states to 2847 states and 3396 transitions. [2021-11-07 20:02:53,618 INFO L78 Accepts]: Start accepts. Automaton has 2847 states and 3396 transitions. Word has length 21 [2021-11-07 20:02:53,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:02:53,618 INFO L470 AbstractCegarLoop]: Abstraction has 2847 states and 3396 transitions. [2021-11-07 20:02:53,619 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:02:53,619 INFO L276 IsEmpty]: Start isEmpty. Operand 2847 states and 3396 transitions. [2021-11-07 20:02:53,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-07 20:02:53,622 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:02:53,622 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:02:53,623 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 20:02:53,623 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ipmi_timeout_handlerErr0ASSERT_VIOLATIONERROR_FUNCTION, ipmi_timeout_handlerErr1ASSERT_VIOLATIONERROR_FUNCTION, ipmi_timeout_handlerErr2ASSERT_VIOLATIONERROR_FUNCTION (and 111 more)] === [2021-11-07 20:02:53,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:02:53,626 INFO L85 PathProgramCache]: Analyzing trace with hash -158304315, now seen corresponding path program 1 times [2021-11-07 20:02:53,626 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:02:53,626 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301837046] [2021-11-07 20:02:53,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:02:53,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:02:53,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:02:53,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:02:53,925 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:02:53,926 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301837046] [2021-11-07 20:02:53,926 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301837046] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:02:53,926 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:02:53,926 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:02:53,926 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829688262] [2021-11-07 20:02:53,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:02:53,927 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:02:53,928 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:02:53,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:02:53,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:02:53,929 INFO L87 Difference]: Start difference. First operand 2847 states and 3396 transitions. Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:02:54,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:02:54,028 INFO L93 Difference]: Finished difference Result 2847 states and 3396 transitions. [2021-11-07 20:02:54,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:02:54,029 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2021-11-07 20:02:54,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:02:54,042 INFO L225 Difference]: With dead ends: 2847 [2021-11-07 20:02:54,042 INFO L226 Difference]: Without dead ends: 2843 [2021-11-07 20:02:54,043 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.88ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:02:54,045 INFO L933 BasicCegarLoop]: 2859 mSDtfsCounter, 3003 mSDsluCounter, 2701 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.89ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3003 SdHoareTripleChecker+Valid, 5560 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.59ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.15ms IncrementalHoareTripleChecker+Time [2021-11-07 20:02:54,046 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3003 Valid, 5560 Invalid, 6 Unknown, 0 Unchecked, 11.59ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 7.15ms Time] [2021-11-07 20:02:54,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2843 states. [2021-11-07 20:02:54,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2843 to 2843. [2021-11-07 20:02:54,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2843 states, 2612 states have (on average 1.2366003062787136) internal successors, (3230), 2744 states have internal predecessors, (3230), 81 states have call successors, (81), 38 states have call predecessors, (81), 38 states have return successors, (81), 77 states have call predecessors, (81), 81 states have call successors, (81) [2021-11-07 20:02:54,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2843 states to 2843 states and 3392 transitions. [2021-11-07 20:02:54,137 INFO L78 Accepts]: Start accepts. Automaton has 2843 states and 3392 transitions. Word has length 23 [2021-11-07 20:02:54,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:02:54,137 INFO L470 AbstractCegarLoop]: Abstraction has 2843 states and 3392 transitions. [2021-11-07 20:02:54,137 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:02:54,137 INFO L276 IsEmpty]: Start isEmpty. Operand 2843 states and 3392 transitions. [2021-11-07 20:02:54,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-07 20:02:54,138 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:02:54,139 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:02:54,139 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-07 20:02:54,139 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ipmi_timeout_handlerErr0ASSERT_VIOLATIONERROR_FUNCTION, ipmi_timeout_handlerErr1ASSERT_VIOLATIONERROR_FUNCTION, ipmi_timeout_handlerErr2ASSERT_VIOLATIONERROR_FUNCTION (and 111 more)] === [2021-11-07 20:02:54,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:02:54,139 INFO L85 PathProgramCache]: Analyzing trace with hash -1806300759, now seen corresponding path program 1 times [2021-11-07 20:02:54,140 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:02:54,140 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815742640] [2021-11-07 20:02:54,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:02:54,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:02:54,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:02:54,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:02:54,376 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:02:54,376 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815742640] [2021-11-07 20:02:54,376 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [815742640] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:02:54,376 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:02:54,376 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:02:54,377 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685359763] [2021-11-07 20:02:54,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:02:54,377 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:02:54,377 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:02:54,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:02:54,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:02:54,378 INFO L87 Difference]: Start difference. First operand 2843 states and 3392 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:02:54,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:02:54,452 INFO L93 Difference]: Finished difference Result 2843 states and 3392 transitions. [2021-11-07 20:02:54,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:02:54,452 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-11-07 20:02:54,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:02:54,461 INFO L225 Difference]: With dead ends: 2843 [2021-11-07 20:02:54,461 INFO L226 Difference]: Without dead ends: 2839 [2021-11-07 20:02:54,463 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.58ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:02:54,464 INFO L933 BasicCegarLoop]: 2855 mSDtfsCounter, 2989 mSDsluCounter, 2705 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.93ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2989 SdHoareTripleChecker+Valid, 5560 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.16ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.54ms IncrementalHoareTripleChecker+Time [2021-11-07 20:02:54,464 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2989 Valid, 5560 Invalid, 6 Unknown, 0 Unchecked, 9.16ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 5.54ms Time] [2021-11-07 20:02:54,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2839 states. [2021-11-07 20:02:54,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2839 to 2839. [2021-11-07 20:02:54,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2839 states, 2610 states have (on average 1.236015325670498) internal successors, (3226), 2740 states have internal predecessors, (3226), 81 states have call successors, (81), 38 states have call predecessors, (81), 38 states have return successors, (81), 77 states have call predecessors, (81), 81 states have call successors, (81) [2021-11-07 20:02:54,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2839 states to 2839 states and 3388 transitions. [2021-11-07 20:02:54,596 INFO L78 Accepts]: Start accepts. Automaton has 2839 states and 3388 transitions. Word has length 25 [2021-11-07 20:02:54,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:02:54,596 INFO L470 AbstractCegarLoop]: Abstraction has 2839 states and 3388 transitions. [2021-11-07 20:02:54,596 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:02:54,597 INFO L276 IsEmpty]: Start isEmpty. Operand 2839 states and 3388 transitions. [2021-11-07 20:02:54,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-07 20:02:54,601 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:02:54,601 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:02:54,602 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-07 20:02:54,602 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ipmi_timeout_handlerErr0ASSERT_VIOLATIONERROR_FUNCTION, ipmi_timeout_handlerErr1ASSERT_VIOLATIONERROR_FUNCTION, ipmi_timeout_handlerErr2ASSERT_VIOLATIONERROR_FUNCTION (and 111 more)] === [2021-11-07 20:02:54,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:02:54,603 INFO L85 PathProgramCache]: Analyzing trace with hash -687950867, now seen corresponding path program 1 times [2021-11-07 20:02:54,603 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:02:54,603 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119510167] [2021-11-07 20:02:54,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:02:54,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:02:54,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:02:54,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:02:54,789 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:02:54,789 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119510167] [2021-11-07 20:02:54,789 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119510167] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:02:54,789 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:02:54,789 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:02:54,789 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995511764] [2021-11-07 20:02:54,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:02:54,790 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:02:54,790 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:02:54,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:02:54,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:02:54,791 INFO L87 Difference]: Start difference. First operand 2839 states and 3388 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:02:54,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:02:54,861 INFO L93 Difference]: Finished difference Result 2839 states and 3388 transitions. [2021-11-07 20:02:54,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:02:54,861 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2021-11-07 20:02:54,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:02:54,870 INFO L225 Difference]: With dead ends: 2839 [2021-11-07 20:02:54,870 INFO L226 Difference]: Without dead ends: 2835 [2021-11-07 20:02:54,871 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.62ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:02:54,872 INFO L933 BasicCegarLoop]: 2851 mSDtfsCounter, 2975 mSDsluCounter, 2709 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.49ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2975 SdHoareTripleChecker+Valid, 5560 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.76ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.08ms IncrementalHoareTripleChecker+Time [2021-11-07 20:02:54,872 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2975 Valid, 5560 Invalid, 6 Unknown, 0 Unchecked, 7.76ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 5.08ms Time] [2021-11-07 20:02:54,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2835 states. [2021-11-07 20:02:54,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2835 to 2835. [2021-11-07 20:02:54,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2835 states, 2608 states have (on average 1.2354294478527608) internal successors, (3222), 2736 states have internal predecessors, (3222), 81 states have call successors, (81), 38 states have call predecessors, (81), 38 states have return successors, (81), 77 states have call predecessors, (81), 81 states have call successors, (81) [2021-11-07 20:02:54,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2835 states to 2835 states and 3384 transitions. [2021-11-07 20:02:54,943 INFO L78 Accepts]: Start accepts. Automaton has 2835 states and 3384 transitions. Word has length 27 [2021-11-07 20:02:54,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:02:54,944 INFO L470 AbstractCegarLoop]: Abstraction has 2835 states and 3384 transitions. [2021-11-07 20:02:54,944 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:02:54,944 INFO L276 IsEmpty]: Start isEmpty. Operand 2835 states and 3384 transitions. [2021-11-07 20:02:54,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-07 20:02:54,945 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:02:54,945 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:02:54,945 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-07 20:02:54,945 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ipmi_timeout_handlerErr0ASSERT_VIOLATIONERROR_FUNCTION, ipmi_timeout_handlerErr1ASSERT_VIOLATIONERROR_FUNCTION, ipmi_timeout_handlerErr2ASSERT_VIOLATIONERROR_FUNCTION (and 111 more)] === [2021-11-07 20:02:54,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:02:54,946 INFO L85 PathProgramCache]: Analyzing trace with hash 304471697, now seen corresponding path program 1 times [2021-11-07 20:02:54,946 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:02:54,946 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936124915] [2021-11-07 20:02:54,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:02:54,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:02:55,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:02:55,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:02:55,140 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:02:55,140 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936124915] [2021-11-07 20:02:55,140 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [936124915] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:02:55,140 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:02:55,140 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:02:55,140 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895932029] [2021-11-07 20:02:55,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:02:55,141 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:02:55,141 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:02:55,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:02:55,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:02:55,142 INFO L87 Difference]: Start difference. First operand 2835 states and 3384 transitions. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:02:55,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:02:55,221 INFO L93 Difference]: Finished difference Result 2835 states and 3384 transitions. [2021-11-07 20:02:55,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:02:55,222 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2021-11-07 20:02:55,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:02:55,231 INFO L225 Difference]: With dead ends: 2835 [2021-11-07 20:02:55,232 INFO L226 Difference]: Without dead ends: 2831 [2021-11-07 20:02:55,234 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.32ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:02:55,234 INFO L933 BasicCegarLoop]: 2847 mSDtfsCounter, 2961 mSDsluCounter, 2713 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.69ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2961 SdHoareTripleChecker+Valid, 5560 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.36ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.39ms IncrementalHoareTripleChecker+Time [2021-11-07 20:02:55,235 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2961 Valid, 5560 Invalid, 6 Unknown, 0 Unchecked, 8.36ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 6.39ms Time] [2021-11-07 20:02:55,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2831 states. [2021-11-07 20:02:55,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2831 to 2831. [2021-11-07 20:02:55,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2831 states, 2606 states have (on average 1.234842670759785) internal successors, (3218), 2732 states have internal predecessors, (3218), 81 states have call successors, (81), 38 states have call predecessors, (81), 38 states have return successors, (81), 77 states have call predecessors, (81), 81 states have call successors, (81) [2021-11-07 20:02:55,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2831 states to 2831 states and 3380 transitions. [2021-11-07 20:02:55,318 INFO L78 Accepts]: Start accepts. Automaton has 2831 states and 3380 transitions. Word has length 29 [2021-11-07 20:02:55,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:02:55,318 INFO L470 AbstractCegarLoop]: Abstraction has 2831 states and 3380 transitions. [2021-11-07 20:02:55,318 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:02:55,319 INFO L276 IsEmpty]: Start isEmpty. Operand 2831 states and 3380 transitions. [2021-11-07 20:02:55,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-07 20:02:55,319 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:02:55,319 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:02:55,320 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-07 20:02:55,320 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ipmi_timeout_handlerErr0ASSERT_VIOLATIONERROR_FUNCTION, ipmi_timeout_handlerErr1ASSERT_VIOLATIONERROR_FUNCTION, ipmi_timeout_handlerErr2ASSERT_VIOLATIONERROR_FUNCTION (and 111 more)] === [2021-11-07 20:02:55,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:02:55,320 INFO L85 PathProgramCache]: Analyzing trace with hash 539816341, now seen corresponding path program 1 times [2021-11-07 20:02:55,320 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:02:55,321 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637903434] [2021-11-07 20:02:55,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:02:55,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:02:55,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:02:55,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:02:55,523 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:02:55,524 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637903434] [2021-11-07 20:02:55,524 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637903434] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:02:55,524 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:02:55,524 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:02:55,524 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994767420] [2021-11-07 20:02:55,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:02:55,524 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:02:55,525 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:02:55,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:02:55,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:02:55,525 INFO L87 Difference]: Start difference. First operand 2831 states and 3380 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:02:55,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:02:55,677 INFO L93 Difference]: Finished difference Result 2831 states and 3380 transitions. [2021-11-07 20:02:55,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:02:55,678 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2021-11-07 20:02:55,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:02:55,689 INFO L225 Difference]: With dead ends: 2831 [2021-11-07 20:02:55,690 INFO L226 Difference]: Without dead ends: 2827 [2021-11-07 20:02:55,691 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.53ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:02:55,693 INFO L933 BasicCegarLoop]: 2843 mSDtfsCounter, 2947 mSDsluCounter, 2717 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.71ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2947 SdHoareTripleChecker+Valid, 5560 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.45ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.47ms IncrementalHoareTripleChecker+Time [2021-11-07 20:02:55,693 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2947 Valid, 5560 Invalid, 6 Unknown, 0 Unchecked, 11.45ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 6.47ms Time] [2021-11-07 20:02:55,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2827 states. [2021-11-07 20:02:55,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2827 to 2827. [2021-11-07 20:02:55,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2827 states, 2604 states have (on average 1.2342549923195085) internal successors, (3214), 2728 states have internal predecessors, (3214), 81 states have call successors, (81), 38 states have call predecessors, (81), 38 states have return successors, (81), 77 states have call predecessors, (81), 81 states have call successors, (81) [2021-11-07 20:02:55,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2827 states to 2827 states and 3376 transitions. [2021-11-07 20:02:55,798 INFO L78 Accepts]: Start accepts. Automaton has 2827 states and 3376 transitions. Word has length 31 [2021-11-07 20:02:55,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:02:55,799 INFO L470 AbstractCegarLoop]: Abstraction has 2827 states and 3376 transitions. [2021-11-07 20:02:55,799 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:02:55,799 INFO L276 IsEmpty]: Start isEmpty. Operand 2827 states and 3376 transitions. [2021-11-07 20:02:55,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-07 20:02:55,801 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:02:55,801 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:02:55,801 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-07 20:02:55,801 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ipmi_timeout_handlerErr0ASSERT_VIOLATIONERROR_FUNCTION, ipmi_timeout_handlerErr1ASSERT_VIOLATIONERROR_FUNCTION, ipmi_timeout_handlerErr2ASSERT_VIOLATIONERROR_FUNCTION (and 111 more)] === [2021-11-07 20:02:55,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:02:55,802 INFO L85 PathProgramCache]: Analyzing trace with hash -927247111, now seen corresponding path program 1 times [2021-11-07 20:02:55,802 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:02:55,802 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342626268] [2021-11-07 20:02:55,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:02:55,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:02:55,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:02:56,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:02:56,035 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:02:56,035 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342626268] [2021-11-07 20:02:56,035 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342626268] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:02:56,035 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:02:56,035 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:02:56,035 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107777965] [2021-11-07 20:02:56,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:02:56,036 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:02:56,036 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:02:56,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:02:56,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:02:56,037 INFO L87 Difference]: Start difference. First operand 2827 states and 3376 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:02:56,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:02:56,121 INFO L93 Difference]: Finished difference Result 2827 states and 3376 transitions. [2021-11-07 20:02:56,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:02:56,121 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-11-07 20:02:56,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:02:56,130 INFO L225 Difference]: With dead ends: 2827 [2021-11-07 20:02:56,131 INFO L226 Difference]: Without dead ends: 2823 [2021-11-07 20:02:56,132 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.97ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:02:56,133 INFO L933 BasicCegarLoop]: 2839 mSDtfsCounter, 2933 mSDsluCounter, 2721 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.52ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2933 SdHoareTripleChecker+Valid, 5560 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.80ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.20ms IncrementalHoareTripleChecker+Time [2021-11-07 20:02:56,134 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2933 Valid, 5560 Invalid, 6 Unknown, 0 Unchecked, 12.80ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 6.20ms Time] [2021-11-07 20:02:56,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2823 states. [2021-11-07 20:02:56,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2823 to 2823. [2021-11-07 20:02:56,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2823 states, 2602 states have (on average 1.2336664104534973) internal successors, (3210), 2724 states have internal predecessors, (3210), 81 states have call successors, (81), 38 states have call predecessors, (81), 38 states have return successors, (81), 77 states have call predecessors, (81), 81 states have call successors, (81) [2021-11-07 20:02:56,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2823 states to 2823 states and 3372 transitions. [2021-11-07 20:02:56,228 INFO L78 Accepts]: Start accepts. Automaton has 2823 states and 3372 transitions. Word has length 33 [2021-11-07 20:02:56,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:02:56,228 INFO L470 AbstractCegarLoop]: Abstraction has 2823 states and 3372 transitions. [2021-11-07 20:02:56,228 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:02:56,228 INFO L276 IsEmpty]: Start isEmpty. Operand 2823 states and 3372 transitions. [2021-11-07 20:02:56,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-07 20:02:56,228 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:02:56,228 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:02:56,229 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-07 20:02:56,229 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ipmi_timeout_handlerErr0ASSERT_VIOLATIONERROR_FUNCTION, ipmi_timeout_handlerErr1ASSERT_VIOLATIONERROR_FUNCTION, ipmi_timeout_handlerErr2ASSERT_VIOLATIONERROR_FUNCTION (and 111 more)] === [2021-11-07 20:02:56,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:02:56,229 INFO L85 PathProgramCache]: Analyzing trace with hash -2025951043, now seen corresponding path program 1 times [2021-11-07 20:02:56,229 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:02:56,229 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399306327] [2021-11-07 20:02:56,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:02:56,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:02:56,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:02:56,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:02:56,424 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:02:56,424 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399306327] [2021-11-07 20:02:56,424 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399306327] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:02:56,425 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:02:56,425 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:02:56,425 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866219005] [2021-11-07 20:02:56,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:02:56,425 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:02:56,425 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:02:56,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:02:56,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:02:56,426 INFO L87 Difference]: Start difference. First operand 2823 states and 3372 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:02:56,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:02:56,504 INFO L93 Difference]: Finished difference Result 2823 states and 3372 transitions. [2021-11-07 20:02:56,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:02:56,504 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-11-07 20:02:56,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:02:56,513 INFO L225 Difference]: With dead ends: 2823 [2021-11-07 20:02:56,513 INFO L226 Difference]: Without dead ends: 2819 [2021-11-07 20:02:56,514 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.88ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:02:56,515 INFO L933 BasicCegarLoop]: 2835 mSDtfsCounter, 2919 mSDsluCounter, 2725 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.04ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2919 SdHoareTripleChecker+Valid, 5560 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.35ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.66ms IncrementalHoareTripleChecker+Time [2021-11-07 20:02:56,515 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2919 Valid, 5560 Invalid, 6 Unknown, 0 Unchecked, 7.35ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 7.66ms Time] [2021-11-07 20:02:56,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2819 states. [2021-11-07 20:02:56,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2819 to 2819. [2021-11-07 20:02:56,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2819 states, 2600 states have (on average 1.2330769230769232) internal successors, (3206), 2720 states have internal predecessors, (3206), 81 states have call successors, (81), 38 states have call predecessors, (81), 38 states have return successors, (81), 77 states have call predecessors, (81), 81 states have call successors, (81) [2021-11-07 20:02:56,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2819 states to 2819 states and 3368 transitions. [2021-11-07 20:02:56,592 INFO L78 Accepts]: Start accepts. Automaton has 2819 states and 3368 transitions. Word has length 35 [2021-11-07 20:02:56,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:02:56,592 INFO L470 AbstractCegarLoop]: Abstraction has 2819 states and 3368 transitions. [2021-11-07 20:02:56,593 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:02:56,593 INFO L276 IsEmpty]: Start isEmpty. Operand 2819 states and 3368 transitions. [2021-11-07 20:02:56,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-07 20:02:56,593 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:02:56,593 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:02:56,594 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-07 20:02:56,594 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ipmi_timeout_handlerErr0ASSERT_VIOLATIONERROR_FUNCTION, ipmi_timeout_handlerErr1ASSERT_VIOLATIONERROR_FUNCTION, ipmi_timeout_handlerErr2ASSERT_VIOLATIONERROR_FUNCTION (and 111 more)] === [2021-11-07 20:02:56,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:02:56,594 INFO L85 PathProgramCache]: Analyzing trace with hash -1318474527, now seen corresponding path program 1 times [2021-11-07 20:02:56,594 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:02:56,594 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916534884] [2021-11-07 20:02:56,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:02:56,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:02:56,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:02:56,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:02:56,753 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:02:56,753 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916534884] [2021-11-07 20:02:56,753 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916534884] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:02:56,753 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:02:56,753 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:02:56,753 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667745038] [2021-11-07 20:02:56,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:02:56,754 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:02:56,754 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:02:56,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:02:56,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:02:56,754 INFO L87 Difference]: Start difference. First operand 2819 states and 3368 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:02:56,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:02:56,860 INFO L93 Difference]: Finished difference Result 2819 states and 3368 transitions. [2021-11-07 20:02:56,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:02:56,860 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2021-11-07 20:02:56,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:02:56,868 INFO L225 Difference]: With dead ends: 2819 [2021-11-07 20:02:56,869 INFO L226 Difference]: Without dead ends: 2815 [2021-11-07 20:02:56,870 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.89ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:02:56,870 INFO L933 BasicCegarLoop]: 2831 mSDtfsCounter, 2905 mSDsluCounter, 2729 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.52ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2905 SdHoareTripleChecker+Valid, 5560 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.48ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.13ms IncrementalHoareTripleChecker+Time [2021-11-07 20:02:56,870 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2905 Valid, 5560 Invalid, 6 Unknown, 0 Unchecked, 7.48ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 5.13ms Time] [2021-11-07 20:02:56,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2815 states. [2021-11-07 20:02:56,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2815 to 2815. [2021-11-07 20:02:56,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2815 states, 2598 states have (on average 1.2324865280985373) internal successors, (3202), 2716 states have internal predecessors, (3202), 81 states have call successors, (81), 38 states have call predecessors, (81), 38 states have return successors, (81), 77 states have call predecessors, (81), 81 states have call successors, (81) [2021-11-07 20:02:56,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2815 states to 2815 states and 3364 transitions. [2021-11-07 20:02:56,952 INFO L78 Accepts]: Start accepts. Automaton has 2815 states and 3364 transitions. Word has length 37 [2021-11-07 20:02:56,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:02:56,952 INFO L470 AbstractCegarLoop]: Abstraction has 2815 states and 3364 transitions. [2021-11-07 20:02:56,953 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:02:56,953 INFO L276 IsEmpty]: Start isEmpty. Operand 2815 states and 3364 transitions. [2021-11-07 20:02:56,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-07 20:02:56,954 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:02:56,954 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:02:56,954 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-07 20:02:56,954 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting smi_recv_taskletErr0ASSERT_VIOLATIONERROR_FUNCTION === [ipmi_timeout_handlerErr0ASSERT_VIOLATIONERROR_FUNCTION, ipmi_timeout_handlerErr1ASSERT_VIOLATIONERROR_FUNCTION, ipmi_timeout_handlerErr2ASSERT_VIOLATIONERROR_FUNCTION (and 111 more)] === [2021-11-07 20:02:56,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:02:56,955 INFO L85 PathProgramCache]: Analyzing trace with hash -1090332181, now seen corresponding path program 1 times [2021-11-07 20:02:56,955 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:02:56,955 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452154151] [2021-11-07 20:02:56,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:02:56,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:02:57,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:02:57,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:02:57,237 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:02:57,237 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452154151] [2021-11-07 20:02:57,238 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [452154151] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:02:57,238 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:02:57,238 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:02:57,238 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905850198] [2021-11-07 20:02:57,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:02:57,238 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:02:57,238 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:02:57,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:02:57,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:02:57,239 INFO L87 Difference]: Start difference. First operand 2815 states and 3364 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (6), 1 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:02:57,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:02:57,480 INFO L93 Difference]: Finished difference Result 5093 states and 6260 transitions. [2021-11-07 20:02:57,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 20:02:57,480 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (6), 1 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-11-07 20:02:57,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:02:57,511 INFO L225 Difference]: With dead ends: 5093 [2021-11-07 20:02:57,512 INFO L226 Difference]: Without dead ends: 5091 [2021-11-07 20:02:57,515 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.99ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:02:57,516 INFO L933 BasicCegarLoop]: 3064 mSDtfsCounter, 2818 mSDsluCounter, 5853 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 69.15ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2819 SdHoareTripleChecker+Valid, 8917 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.96ms SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 83.84ms IncrementalHoareTripleChecker+Time [2021-11-07 20:02:57,517 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2819 Valid, 8917 Invalid, 65 Unknown, 0 Unchecked, 12.96ms Time], IncrementalHoareTripleChecker [11 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 83.84ms Time] [2021-11-07 20:02:57,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5091 states. [2021-11-07 20:02:57,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5091 to 4252. [2021-11-07 20:02:57,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4252 states, 3917 states have (on average 1.2772529997447026) internal successors, (5003), 4055 states have internal predecessors, (5003), 161 states have call successors, (161), 76 states have call predecessors, (161), 76 states have return successors, (260), 154 states have call predecessors, (260), 161 states have call successors, (260) [2021-11-07 20:02:57,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4252 states to 4252 states and 5424 transitions. [2021-11-07 20:02:57,683 INFO L78 Accepts]: Start accepts. Automaton has 4252 states and 5424 transitions. Word has length 44 [2021-11-07 20:02:57,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:02:57,684 INFO L470 AbstractCegarLoop]: Abstraction has 4252 states and 5424 transitions. [2021-11-07 20:02:57,684 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (6), 1 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:02:57,684 INFO L276 IsEmpty]: Start isEmpty. Operand 4252 states and 5424 transitions. [2021-11-07 20:02:57,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-07 20:02:57,685 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:02:57,685 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:02:57,686 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-07 20:02:57,686 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ipmi_timeout_handlerErr0ASSERT_VIOLATIONERROR_FUNCTION, ipmi_timeout_handlerErr1ASSERT_VIOLATIONERROR_FUNCTION, ipmi_timeout_handlerErr2ASSERT_VIOLATIONERROR_FUNCTION (and 111 more)] === [2021-11-07 20:02:57,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:02:57,686 INFO L85 PathProgramCache]: Analyzing trace with hash -38376060, now seen corresponding path program 1 times [2021-11-07 20:02:57,686 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:02:57,687 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646920775] [2021-11-07 20:02:57,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:02:57,687 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:02:57,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:02:57,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:02:57,913 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:02:57,913 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646920775] [2021-11-07 20:02:57,914 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646920775] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:02:57,914 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:02:57,914 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:02:57,914 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7992972] [2021-11-07 20:02:57,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:02:57,914 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:02:57,914 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:02:57,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:02:57,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:02:57,916 INFO L87 Difference]: Start difference. First operand 4252 states and 5424 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:02:58,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:02:58,105 INFO L93 Difference]: Finished difference Result 4252 states and 5424 transitions. [2021-11-07 20:02:58,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:02:58,106 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2021-11-07 20:02:58,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:02:58,117 INFO L225 Difference]: With dead ends: 4252 [2021-11-07 20:02:58,117 INFO L226 Difference]: Without dead ends: 4248 [2021-11-07 20:02:58,119 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.71ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:02:58,119 INFO L933 BasicCegarLoop]: 2827 mSDtfsCounter, 2891 mSDsluCounter, 2733 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.94ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2891 SdHoareTripleChecker+Valid, 5560 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.92ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.70ms IncrementalHoareTripleChecker+Time [2021-11-07 20:02:58,119 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2891 Valid, 5560 Invalid, 6 Unknown, 0 Unchecked, 7.92ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 6.70ms Time] [2021-11-07 20:02:58,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4248 states. [2021-11-07 20:02:58,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4248 to 4248. [2021-11-07 20:02:58,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4248 states, 3915 states have (on average 1.2768837803320563) internal successors, (4999), 4051 states have internal predecessors, (4999), 161 states have call successors, (161), 76 states have call predecessors, (161), 76 states have return successors, (260), 154 states have call predecessors, (260), 161 states have call successors, (260) [2021-11-07 20:02:58,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4248 states to 4248 states and 5420 transitions. [2021-11-07 20:02:58,271 INFO L78 Accepts]: Start accepts. Automaton has 4248 states and 5420 transitions. Word has length 39 [2021-11-07 20:02:58,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:02:58,271 INFO L470 AbstractCegarLoop]: Abstraction has 4248 states and 5420 transitions. [2021-11-07 20:02:58,271 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:02:58,271 INFO L276 IsEmpty]: Start isEmpty. Operand 4248 states and 5420 transitions. [2021-11-07 20:02:58,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-07 20:02:58,272 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:02:58,272 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:02:58,272 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-07 20:02:58,272 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ipmi_timeout_handlerErr0ASSERT_VIOLATIONERROR_FUNCTION, ipmi_timeout_handlerErr1ASSERT_VIOLATIONERROR_FUNCTION, ipmi_timeout_handlerErr2ASSERT_VIOLATIONERROR_FUNCTION (and 111 more)] === [2021-11-07 20:02:58,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:02:58,273 INFO L85 PathProgramCache]: Analyzing trace with hash 1775605384, now seen corresponding path program 1 times [2021-11-07 20:02:58,273 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:02:58,273 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89163095] [2021-11-07 20:02:58,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:02:58,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:02:58,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:02:58,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:02:58,462 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:02:58,462 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89163095] [2021-11-07 20:02:58,462 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [89163095] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:02:58,463 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:02:58,463 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:02:58,463 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175059518] [2021-11-07 20:02:58,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:02:58,463 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:02:58,463 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:02:58,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:02:58,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:02:58,464 INFO L87 Difference]: Start difference. First operand 4248 states and 5420 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:02:58,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:02:58,596 INFO L93 Difference]: Finished difference Result 4248 states and 5420 transitions. [2021-11-07 20:02:58,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:02:58,597 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 41 [2021-11-07 20:02:58,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:02:58,606 INFO L225 Difference]: With dead ends: 4248 [2021-11-07 20:02:58,606 INFO L226 Difference]: Without dead ends: 4244 [2021-11-07 20:02:58,608 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.23ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:02:58,609 INFO L933 BasicCegarLoop]: 2823 mSDtfsCounter, 2877 mSDsluCounter, 2737 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.78ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2877 SdHoareTripleChecker+Valid, 5560 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.98ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.39ms IncrementalHoareTripleChecker+Time [2021-11-07 20:02:58,609 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2877 Valid, 5560 Invalid, 6 Unknown, 0 Unchecked, 7.98ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 5.39ms Time] [2021-11-07 20:02:58,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4244 states. [2021-11-07 20:02:58,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4244 to 4244. [2021-11-07 20:02:58,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4244 states, 3913 states have (on average 1.2765141834909277) internal successors, (4995), 4047 states have internal predecessors, (4995), 161 states have call successors, (161), 76 states have call predecessors, (161), 76 states have return successors, (260), 154 states have call predecessors, (260), 161 states have call successors, (260) [2021-11-07 20:02:58,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4244 states to 4244 states and 5416 transitions. [2021-11-07 20:02:58,755 INFO L78 Accepts]: Start accepts. Automaton has 4244 states and 5416 transitions. Word has length 41 [2021-11-07 20:02:58,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:02:58,755 INFO L470 AbstractCegarLoop]: Abstraction has 4244 states and 5416 transitions. [2021-11-07 20:02:58,755 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:02:58,755 INFO L276 IsEmpty]: Start isEmpty. Operand 4244 states and 5416 transitions. [2021-11-07 20:02:58,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-07 20:02:58,756 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:02:58,756 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:02:58,756 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-07 20:02:58,756 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting smi_recv_taskletErr1ASSERT_VIOLATIONERROR_FUNCTION === [ipmi_timeout_handlerErr0ASSERT_VIOLATIONERROR_FUNCTION, ipmi_timeout_handlerErr1ASSERT_VIOLATIONERROR_FUNCTION, ipmi_timeout_handlerErr2ASSERT_VIOLATIONERROR_FUNCTION (and 111 more)] === [2021-11-07 20:02:58,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:02:58,757 INFO L85 PathProgramCache]: Analyzing trace with hash -1855957300, now seen corresponding path program 1 times [2021-11-07 20:02:58,757 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:02:58,757 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716648611] [2021-11-07 20:02:58,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:02:58,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:02:58,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:02:58,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:02:58,995 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:02:58,995 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716648611] [2021-11-07 20:02:58,995 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1716648611] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:02:58,995 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:02:58,995 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:02:58,995 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840838972] [2021-11-07 20:02:58,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:02:58,996 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 20:02:58,996 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:02:58,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 20:02:58,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 20:02:58,996 INFO L87 Difference]: Start difference. First operand 4244 states and 5416 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (6), 1 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:02:59,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:02:59,154 INFO L93 Difference]: Finished difference Result 7993 states and 10509 transitions. [2021-11-07 20:02:59,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 20:02:59,154 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (6), 1 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2021-11-07 20:02:59,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:02:59,168 INFO L225 Difference]: With dead ends: 7993 [2021-11-07 20:02:59,169 INFO L226 Difference]: Without dead ends: 4261 [2021-11-07 20:02:59,186 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.79ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 20:02:59,188 INFO L933 BasicCegarLoop]: 2827 mSDtfsCounter, 16 mSDsluCounter, 2822 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.38ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 5649 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.38ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.34ms IncrementalHoareTripleChecker+Time [2021-11-07 20:02:59,188 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17 Valid, 5649 Invalid, 5 Unknown, 0 Unchecked, 5.38ms Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 7.34ms Time] [2021-11-07 20:02:59,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4261 states. [2021-11-07 20:02:59,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4261 to 4254. [2021-11-07 20:02:59,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4254 states, 3923 states have (on average 1.2768289574305378) internal successors, (5009), 4057 states have internal predecessors, (5009), 161 states have call successors, (161), 76 states have call predecessors, (161), 76 states have return successors, (260), 154 states have call predecessors, (260), 161 states have call successors, (260) [2021-11-07 20:02:59,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4254 states to 4254 states and 5430 transitions. [2021-11-07 20:02:59,352 INFO L78 Accepts]: Start accepts. Automaton has 4254 states and 5430 transitions. Word has length 48 [2021-11-07 20:02:59,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:02:59,352 INFO L470 AbstractCegarLoop]: Abstraction has 4254 states and 5430 transitions. [2021-11-07 20:02:59,352 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (6), 1 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:02:59,352 INFO L276 IsEmpty]: Start isEmpty. Operand 4254 states and 5430 transitions. [2021-11-07 20:02:59,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-07 20:02:59,353 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:02:59,353 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:02:59,353 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-07 20:02:59,354 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ipmi_timeout_handlerErr0ASSERT_VIOLATIONERROR_FUNCTION, ipmi_timeout_handlerErr1ASSERT_VIOLATIONERROR_FUNCTION, ipmi_timeout_handlerErr2ASSERT_VIOLATIONERROR_FUNCTION (and 111 more)] === [2021-11-07 20:02:59,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:02:59,354 INFO L85 PathProgramCache]: Analyzing trace with hash 1255051244, now seen corresponding path program 1 times [2021-11-07 20:02:59,354 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:02:59,354 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95442513] [2021-11-07 20:02:59,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:02:59,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:02:59,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:02:59,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:02:59,581 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:02:59,581 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95442513] [2021-11-07 20:02:59,581 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95442513] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:02:59,581 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:02:59,582 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:02:59,582 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525320608] [2021-11-07 20:02:59,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:02:59,582 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:02:59,582 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:02:59,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:02:59,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:02:59,583 INFO L87 Difference]: Start difference. First operand 4254 states and 5430 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:02:59,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:02:59,726 INFO L93 Difference]: Finished difference Result 4254 states and 5430 transitions. [2021-11-07 20:02:59,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:02:59,727 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 43 [2021-11-07 20:02:59,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:02:59,737 INFO L225 Difference]: With dead ends: 4254 [2021-11-07 20:02:59,737 INFO L226 Difference]: Without dead ends: 4250 [2021-11-07 20:02:59,740 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.74ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:02:59,741 INFO L933 BasicCegarLoop]: 2818 mSDtfsCounter, 2863 mSDsluCounter, 2740 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.95ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2863 SdHoareTripleChecker+Valid, 5558 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.86ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.05ms IncrementalHoareTripleChecker+Time [2021-11-07 20:02:59,741 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2863 Valid, 5558 Invalid, 8 Unknown, 0 Unchecked, 7.86ms Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 9.05ms Time] [2021-11-07 20:02:59,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4250 states. [2021-11-07 20:02:59,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4250 to 4250. [2021-11-07 20:02:59,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4250 states, 3921 states have (on average 1.2764600867125733) internal successors, (5005), 4053 states have internal predecessors, (5005), 161 states have call successors, (161), 76 states have call predecessors, (161), 76 states have return successors, (260), 154 states have call predecessors, (260), 161 states have call successors, (260) [2021-11-07 20:02:59,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4250 states to 4250 states and 5426 transitions. [2021-11-07 20:02:59,960 INFO L78 Accepts]: Start accepts. Automaton has 4250 states and 5426 transitions. Word has length 43 [2021-11-07 20:02:59,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:02:59,960 INFO L470 AbstractCegarLoop]: Abstraction has 4250 states and 5426 transitions. [2021-11-07 20:02:59,961 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:02:59,961 INFO L276 IsEmpty]: Start isEmpty. Operand 4250 states and 5426 transitions. [2021-11-07 20:02:59,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-07 20:02:59,961 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:02:59,962 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:02:59,962 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-07 20:02:59,962 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ipmi_timeoutErr0ASSERT_VIOLATIONERROR_FUNCTION === [ipmi_timeout_handlerErr0ASSERT_VIOLATIONERROR_FUNCTION, ipmi_timeout_handlerErr1ASSERT_VIOLATIONERROR_FUNCTION, ipmi_timeout_handlerErr2ASSERT_VIOLATIONERROR_FUNCTION (and 111 more)] === [2021-11-07 20:02:59,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:02:59,962 INFO L85 PathProgramCache]: Analyzing trace with hash 802981591, now seen corresponding path program 1 times [2021-11-07 20:02:59,963 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:02:59,963 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132352486] [2021-11-07 20:02:59,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:02:59,963 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:03:00,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:03:00,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:03:00,230 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:03:00,231 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132352486] [2021-11-07 20:03:00,231 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132352486] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:03:00,231 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:03:00,231 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 20:03:00,231 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572717255] [2021-11-07 20:03:00,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:03:00,232 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 20:03:00,232 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:03:00,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 20:03:00,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:03:00,232 INFO L87 Difference]: Start difference. First operand 4250 states and 5426 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (6), 1 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:03:02,311 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 20:03:03,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:03:03,413 INFO L93 Difference]: Finished difference Result 8828 states and 11679 transitions. [2021-11-07 20:03:03,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 20:03:03,414 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (6), 1 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2021-11-07 20:03:03,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:03:03,436 INFO L225 Difference]: With dead ends: 8828 [2021-11-07 20:03:03,437 INFO L226 Difference]: Without dead ends: 8826 [2021-11-07 20:03:03,443 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 16.06ms TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-07 20:03:03,443 INFO L933 BasicCegarLoop]: 3782 mSDtfsCounter, 3335 mSDsluCounter, 9776 mSDsCounter, 0 mSdLazyCounter, 373 mSolverCounterSat, 15 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2615.91ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3336 SdHoareTripleChecker+Valid, 13558 SdHoareTripleChecker+Invalid, 389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 21.53ms SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 373 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2816.76ms IncrementalHoareTripleChecker+Time [2021-11-07 20:03:03,443 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3336 Valid, 13558 Invalid, 389 Unknown, 0 Unchecked, 21.53ms Time], IncrementalHoareTripleChecker [15 Valid, 373 Invalid, 1 Unknown, 0 Unchecked, 2816.76ms Time] [2021-11-07 20:03:03,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8826 states. [2021-11-07 20:03:03,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8826 to 7359. [2021-11-07 20:03:03,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7359 states, 6667 states have (on average 1.319334033298335) internal successors, (8796), 6862 states have internal predecessors, (8796), 383 states have call successors, (383), 210 states have call predecessors, (383), 217 states have return successors, (855), 364 states have call predecessors, (855), 383 states have call successors, (855) [2021-11-07 20:03:03,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7359 states to 7359 states and 10034 transitions. [2021-11-07 20:03:03,834 INFO L78 Accepts]: Start accepts. Automaton has 7359 states and 10034 transitions. Word has length 50 [2021-11-07 20:03:03,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:03:03,835 INFO L470 AbstractCegarLoop]: Abstraction has 7359 states and 10034 transitions. [2021-11-07 20:03:03,835 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (6), 1 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:03:03,835 INFO L276 IsEmpty]: Start isEmpty. Operand 7359 states and 10034 transitions. [2021-11-07 20:03:03,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-07 20:03:03,836 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:03:03,836 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:03:03,836 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-07 20:03:03,836 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ipmi_timeout_handlerErr0ASSERT_VIOLATIONERROR_FUNCTION, ipmi_timeout_handlerErr1ASSERT_VIOLATIONERROR_FUNCTION, ipmi_timeout_handlerErr2ASSERT_VIOLATIONERROR_FUNCTION (and 111 more)] === [2021-11-07 20:03:03,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:03:03,837 INFO L85 PathProgramCache]: Analyzing trace with hash -781270608, now seen corresponding path program 1 times [2021-11-07 20:03:03,837 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:03:03,837 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385932746] [2021-11-07 20:03:03,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:03:03,838 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:03:03,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:03:04,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:03:04,034 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:03:04,034 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385932746] [2021-11-07 20:03:04,036 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385932746] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:03:04,036 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:03:04,036 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:03:04,036 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986503508] [2021-11-07 20:03:04,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:03:04,037 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:03:04,037 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:03:04,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:03:04,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:03:04,037 INFO L87 Difference]: Start difference. First operand 7359 states and 10034 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:03:04,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:03:04,268 INFO L93 Difference]: Finished difference Result 7359 states and 10034 transitions. [2021-11-07 20:03:04,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:03:04,269 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 45 [2021-11-07 20:03:04,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:03:04,290 INFO L225 Difference]: With dead ends: 7359 [2021-11-07 20:03:04,290 INFO L226 Difference]: Without dead ends: 7355 [2021-11-07 20:03:04,296 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.83ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:03:04,297 INFO L933 BasicCegarLoop]: 2814 mSDtfsCounter, 2849 mSDsluCounter, 2744 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.04ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2849 SdHoareTripleChecker+Valid, 5558 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.19ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.08ms IncrementalHoareTripleChecker+Time [2021-11-07 20:03:04,297 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2849 Valid, 5558 Invalid, 8 Unknown, 0 Unchecked, 8.19ms Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 8.08ms Time] [2021-11-07 20:03:04,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7355 states. [2021-11-07 20:03:04,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7355 to 7355. [2021-11-07 20:03:04,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7355 states, 6665 states have (on average 1.3191297824456114) internal successors, (8792), 6858 states have internal predecessors, (8792), 383 states have call successors, (383), 210 states have call predecessors, (383), 217 states have return successors, (855), 364 states have call predecessors, (855), 383 states have call successors, (855) [2021-11-07 20:03:04,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7355 states to 7355 states and 10030 transitions. [2021-11-07 20:03:04,621 INFO L78 Accepts]: Start accepts. Automaton has 7355 states and 10030 transitions. Word has length 45 [2021-11-07 20:03:04,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:03:04,622 INFO L470 AbstractCegarLoop]: Abstraction has 7355 states and 10030 transitions. [2021-11-07 20:03:04,622 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:03:04,622 INFO L276 IsEmpty]: Start isEmpty. Operand 7355 states and 10030 transitions. [2021-11-07 20:03:04,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-07 20:03:04,623 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:03:04,623 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:03:04,623 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-07 20:03:04,623 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting handle_new_recv_msgsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ipmi_timeout_handlerErr0ASSERT_VIOLATIONERROR_FUNCTION, ipmi_timeout_handlerErr1ASSERT_VIOLATIONERROR_FUNCTION, ipmi_timeout_handlerErr2ASSERT_VIOLATIONERROR_FUNCTION (and 111 more)] === [2021-11-07 20:03:04,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:03:04,624 INFO L85 PathProgramCache]: Analyzing trace with hash -188642403, now seen corresponding path program 1 times [2021-11-07 20:03:04,624 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:03:04,624 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408468882] [2021-11-07 20:03:04,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:03:04,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:03:04,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:03:04,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:03:04,889 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:03:04,889 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408468882] [2021-11-07 20:03:04,890 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408468882] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:03:04,890 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:03:04,890 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:03:04,890 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792455563] [2021-11-07 20:03:04,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:03:04,891 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:03:04,891 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:03:04,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:03:04,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:03:04,956 INFO L87 Difference]: Start difference. First operand 7355 states and 10030 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (7), 1 states have call predecessors, (7), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:03:05,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:03:05,552 INFO L93 Difference]: Finished difference Result 14749 states and 21855 transitions. [2021-11-07 20:03:05,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 20:03:05,553 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (7), 1 states have call predecessors, (7), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2021-11-07 20:03:05,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:03:05,613 INFO L225 Difference]: With dead ends: 14749 [2021-11-07 20:03:05,613 INFO L226 Difference]: Without dead ends: 14745 [2021-11-07 20:03:05,628 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.12ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:03:05,628 INFO L933 BasicCegarLoop]: 3104 mSDtfsCounter, 2898 mSDsluCounter, 5785 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 69.69ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2901 SdHoareTripleChecker+Valid, 8889 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.61ms SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 83.69ms IncrementalHoareTripleChecker+Time [2021-11-07 20:03:05,629 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2901 Valid, 8889 Invalid, 64 Unknown, 0 Unchecked, 12.61ms Time], IncrementalHoareTripleChecker [16 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 83.69ms Time] [2021-11-07 20:03:05,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14745 states. [2021-11-07 20:03:06,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14745 to 13220. [2021-11-07 20:03:06,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13220 states, 11938 states have (on average 1.3446976042888257) internal successors, (16053), 12233 states have internal predecessors, (16053), 759 states have call successors, (759), 414 states have call predecessors, (759), 433 states have return successors, (2989), 728 states have call predecessors, (2989), 759 states have call successors, (2989) [2021-11-07 20:03:06,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13220 states to 13220 states and 19801 transitions. [2021-11-07 20:03:06,368 INFO L78 Accepts]: Start accepts. Automaton has 13220 states and 19801 transitions. Word has length 52 [2021-11-07 20:03:06,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:03:06,368 INFO L470 AbstractCegarLoop]: Abstraction has 13220 states and 19801 transitions. [2021-11-07 20:03:06,369 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (7), 1 states have call predecessors, (7), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:03:06,369 INFO L276 IsEmpty]: Start isEmpty. Operand 13220 states and 19801 transitions. [2021-11-07 20:03:06,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-07 20:03:06,370 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:03:06,370 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:03:06,370 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-07 20:03:06,370 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ipmi_timeout_handlerErr0ASSERT_VIOLATIONERROR_FUNCTION, ipmi_timeout_handlerErr1ASSERT_VIOLATIONERROR_FUNCTION, ipmi_timeout_handlerErr2ASSERT_VIOLATIONERROR_FUNCTION (and 111 more)] === [2021-11-07 20:03:06,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:03:06,370 INFO L85 PathProgramCache]: Analyzing trace with hash 818516948, now seen corresponding path program 1 times [2021-11-07 20:03:06,371 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:03:06,371 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154892071] [2021-11-07 20:03:06,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:03:06,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:03:06,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:03:06,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:03:06,556 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:03:06,556 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154892071] [2021-11-07 20:03:06,556 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154892071] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:03:06,556 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:03:06,556 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:03:06,556 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86669294] [2021-11-07 20:03:06,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:03:06,557 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:03:06,557 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:03:06,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:03:06,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:03:06,557 INFO L87 Difference]: Start difference. First operand 13220 states and 19801 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:03:07,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:03:07,237 INFO L93 Difference]: Finished difference Result 13947 states and 20542 transitions. [2021-11-07 20:03:07,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 20:03:07,238 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 47 [2021-11-07 20:03:07,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:03:07,287 INFO L225 Difference]: With dead ends: 13947 [2021-11-07 20:03:07,288 INFO L226 Difference]: Without dead ends: 13943 [2021-11-07 20:03:07,299 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.88ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:03:07,300 INFO L933 BasicCegarLoop]: 3054 mSDtfsCounter, 1801 mSDsluCounter, 5790 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 63.70ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1801 SdHoareTripleChecker+Valid, 8844 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.87ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 76.04ms IncrementalHoareTripleChecker+Time [2021-11-07 20:03:07,300 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1801 Valid, 8844 Invalid, 59 Unknown, 0 Unchecked, 11.87ms Time], IncrementalHoareTripleChecker [4 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 76.04ms Time] [2021-11-07 20:03:07,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13943 states. [2021-11-07 20:03:07,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13943 to 13785. [2021-11-07 20:03:07,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13785 states, 12503 states have (on average 1.332400223946253) internal successors, (16659), 12798 states have internal predecessors, (16659), 759 states have call successors, (759), 414 states have call predecessors, (759), 433 states have return successors, (2989), 728 states have call predecessors, (2989), 759 states have call successors, (2989) [2021-11-07 20:03:07,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13785 states to 13785 states and 20407 transitions. [2021-11-07 20:03:07,989 INFO L78 Accepts]: Start accepts. Automaton has 13785 states and 20407 transitions. Word has length 47 [2021-11-07 20:03:07,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:03:07,989 INFO L470 AbstractCegarLoop]: Abstraction has 13785 states and 20407 transitions. [2021-11-07 20:03:07,989 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:03:07,989 INFO L276 IsEmpty]: Start isEmpty. Operand 13785 states and 20407 transitions. [2021-11-07 20:03:07,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-07 20:03:07,990 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:03:07,990 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:03:07,990 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-07 20:03:07,991 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting smi_recv_taskletErr1ASSERT_VIOLATIONERROR_FUNCTION === [ipmi_timeout_handlerErr0ASSERT_VIOLATIONERROR_FUNCTION, ipmi_timeout_handlerErr1ASSERT_VIOLATIONERROR_FUNCTION, ipmi_timeout_handlerErr2ASSERT_VIOLATIONERROR_FUNCTION (and 111 more)] === [2021-11-07 20:03:07,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:03:07,991 INFO L85 PathProgramCache]: Analyzing trace with hash 839087265, now seen corresponding path program 1 times [2021-11-07 20:03:07,991 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:03:07,991 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306646421] [2021-11-07 20:03:07,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:03:07,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:03:08,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:03:08,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:03:08,223 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:03:08,223 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306646421] [2021-11-07 20:03:08,223 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306646421] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:03:08,223 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:03:08,223 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 20:03:08,224 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527385636] [2021-11-07 20:03:08,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:03:08,225 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:03:08,225 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:03:08,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:03:08,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:03:08,225 INFO L87 Difference]: Start difference. First operand 13785 states and 20407 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (6), 1 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:03:10,284 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 20:03:11,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:03:11,015 INFO L93 Difference]: Finished difference Result 15257 states and 22082 transitions. [2021-11-07 20:03:11,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 20:03:11,015 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (6), 1 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2021-11-07 20:03:11,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:03:11,063 INFO L225 Difference]: With dead ends: 15257 [2021-11-07 20:03:11,063 INFO L226 Difference]: Without dead ends: 15255 [2021-11-07 20:03:11,076 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.98ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:03:11,076 INFO L933 BasicCegarLoop]: 5582 mSDtfsCounter, 2833 mSDsluCounter, 8367 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2121.32ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2834 SdHoareTripleChecker+Valid, 13949 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 16.46ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2229.63ms IncrementalHoareTripleChecker+Time [2021-11-07 20:03:11,077 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2834 Valid, 13949 Invalid, 62 Unknown, 0 Unchecked, 16.46ms Time], IncrementalHoareTripleChecker [4 Valid, 57 Invalid, 1 Unknown, 0 Unchecked, 2229.63ms Time] [2021-11-07 20:03:11,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15255 states. [2021-11-07 20:03:11,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15255 to 13783. [2021-11-07 20:03:11,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13783 states, 12502 states have (on average 1.3319468884978403) internal successors, (16652), 12796 states have internal predecessors, (16652), 759 states have call successors, (759), 414 states have call predecessors, (759), 433 states have return successors, (2989), 728 states have call predecessors, (2989), 759 states have call successors, (2989) [2021-11-07 20:03:11,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13783 states to 13783 states and 20400 transitions. [2021-11-07 20:03:11,801 INFO L78 Accepts]: Start accepts. Automaton has 13783 states and 20400 transitions. Word has length 53 [2021-11-07 20:03:11,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:03:11,802 INFO L470 AbstractCegarLoop]: Abstraction has 13783 states and 20400 transitions. [2021-11-07 20:03:11,802 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (6), 1 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:03:11,802 INFO L276 IsEmpty]: Start isEmpty. Operand 13783 states and 20400 transitions. [2021-11-07 20:03:11,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-07 20:03:11,803 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:03:11,803 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:03:11,803 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-07 20:03:11,803 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ipmi_timeout_handlerErr0ASSERT_VIOLATIONERROR_FUNCTION, ipmi_timeout_handlerErr1ASSERT_VIOLATIONERROR_FUNCTION, ipmi_timeout_handlerErr2ASSERT_VIOLATIONERROR_FUNCTION (and 111 more)] === [2021-11-07 20:03:11,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:03:11,804 INFO L85 PathProgramCache]: Analyzing trace with hash 616066648, now seen corresponding path program 1 times [2021-11-07 20:03:11,804 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:03:11,804 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810814358] [2021-11-07 20:03:11,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:03:11,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:03:11,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:03:11,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:03:11,985 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:03:11,985 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810814358] [2021-11-07 20:03:11,985 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810814358] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:03:11,985 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:03:11,985 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:03:11,985 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444066061] [2021-11-07 20:03:11,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:03:11,986 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:03:11,986 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:03:11,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:03:11,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:03:11,987 INFO L87 Difference]: Start difference. First operand 13783 states and 20400 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:03:12,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:03:12,416 INFO L93 Difference]: Finished difference Result 13783 states and 20400 transitions. [2021-11-07 20:03:12,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:03:12,416 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2021-11-07 20:03:12,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:03:12,461 INFO L225 Difference]: With dead ends: 13783 [2021-11-07 20:03:12,461 INFO L226 Difference]: Without dead ends: 13779 [2021-11-07 20:03:12,470 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.37ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:03:12,471 INFO L933 BasicCegarLoop]: 2808 mSDtfsCounter, 2823 mSDsluCounter, 2754 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.70ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2823 SdHoareTripleChecker+Valid, 5562 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.39ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.78ms IncrementalHoareTripleChecker+Time [2021-11-07 20:03:12,471 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2823 Valid, 5562 Invalid, 8 Unknown, 0 Unchecked, 6.39ms Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 8.78ms Time] [2021-11-07 20:03:12,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13779 states. [2021-11-07 20:03:13,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13779 to 13779. [2021-11-07 20:03:13,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13779 states, 12500 states have (on average 1.33184) internal successors, (16648), 12792 states have internal predecessors, (16648), 759 states have call successors, (759), 414 states have call predecessors, (759), 433 states have return successors, (2989), 728 states have call predecessors, (2989), 759 states have call successors, (2989) [2021-11-07 20:03:13,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13779 states to 13779 states and 20396 transitions. [2021-11-07 20:03:13,167 INFO L78 Accepts]: Start accepts. Automaton has 13779 states and 20396 transitions. Word has length 49 [2021-11-07 20:03:13,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:03:13,168 INFO L470 AbstractCegarLoop]: Abstraction has 13779 states and 20396 transitions. [2021-11-07 20:03:13,168 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:03:13,168 INFO L276 IsEmpty]: Start isEmpty. Operand 13779 states and 20396 transitions. [2021-11-07 20:03:13,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-07 20:03:13,172 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:03:13,173 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:03:13,173 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-07 20:03:13,173 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ipmi_timeout_handlerErr0ASSERT_VIOLATIONERROR_FUNCTION === [ipmi_timeout_handlerErr0ASSERT_VIOLATIONERROR_FUNCTION, ipmi_timeout_handlerErr1ASSERT_VIOLATIONERROR_FUNCTION, ipmi_timeout_handlerErr2ASSERT_VIOLATIONERROR_FUNCTION (and 111 more)] === [2021-11-07 20:03:13,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:03:13,173 INFO L85 PathProgramCache]: Analyzing trace with hash -1919751230, now seen corresponding path program 1 times [2021-11-07 20:03:13,173 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:03:13,174 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363042040] [2021-11-07 20:03:13,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:03:13,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:03:13,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:03:13,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:03:13,397 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:03:13,397 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363042040] [2021-11-07 20:03:13,397 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363042040] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:03:13,397 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:03:13,397 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:03:13,398 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553425312] [2021-11-07 20:03:13,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:03:13,399 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:03:13,399 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:03:13,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:03:13,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:03:13,400 INFO L87 Difference]: Start difference. First operand 13779 states and 20396 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (7), 1 states have call predecessors, (7), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:03:14,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:03:14,406 INFO L93 Difference]: Finished difference Result 20536 states and 31748 transitions. [2021-11-07 20:03:14,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 20:03:14,406 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (7), 1 states have call predecessors, (7), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-11-07 20:03:14,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:03:14,488 INFO L225 Difference]: With dead ends: 20536 [2021-11-07 20:03:14,488 INFO L226 Difference]: Without dead ends: 20532 [2021-11-07 20:03:14,501 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.28ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:03:14,502 INFO L933 BasicCegarLoop]: 2964 mSDtfsCounter, 2728 mSDsluCounter, 4554 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 122.26ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2728 SdHoareTripleChecker+Valid, 7518 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.91ms SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 147.80ms IncrementalHoareTripleChecker+Time [2021-11-07 20:03:14,502 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2728 Valid, 7518 Invalid, 117 Unknown, 0 Unchecked, 9.91ms Time], IncrementalHoareTripleChecker [22 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 147.80ms Time] [2021-11-07 20:03:14,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20532 states. [2021-11-07 20:03:15,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20532 to 19742. [2021-11-07 20:03:15,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19742 states, 17840 states have (on average 1.348262331838565) internal successors, (24053), 18231 states have internal predecessors, (24053), 1151 states have call successors, (1151), 650 states have call predecessors, (1151), 665 states have return successors, (5321), 1084 states have call predecessors, (5321), 1151 states have call successors, (5321) [2021-11-07 20:03:15,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19742 states to 19742 states and 30525 transitions. [2021-11-07 20:03:15,654 INFO L78 Accepts]: Start accepts. Automaton has 19742 states and 30525 transitions. Word has length 56 [2021-11-07 20:03:15,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:03:15,654 INFO L470 AbstractCegarLoop]: Abstraction has 19742 states and 30525 transitions. [2021-11-07 20:03:15,654 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (7), 1 states have call predecessors, (7), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:03:15,654 INFO L276 IsEmpty]: Start isEmpty. Operand 19742 states and 30525 transitions. [2021-11-07 20:03:15,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-07 20:03:15,655 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:03:15,655 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:03:15,656 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-11-07 20:03:15,656 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting handle_new_recv_msgsErr3ASSERT_VIOLATIONERROR_FUNCTION === [ipmi_timeout_handlerErr0ASSERT_VIOLATIONERROR_FUNCTION, ipmi_timeout_handlerErr1ASSERT_VIOLATIONERROR_FUNCTION, ipmi_timeout_handlerErr2ASSERT_VIOLATIONERROR_FUNCTION (and 111 more)] === [2021-11-07 20:03:15,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:03:15,656 INFO L85 PathProgramCache]: Analyzing trace with hash 24092027, now seen corresponding path program 1 times [2021-11-07 20:03:15,656 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:03:15,656 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19651295] [2021-11-07 20:03:15,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:03:15,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:03:15,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:03:15,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:03:15,836 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:03:15,836 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19651295] [2021-11-07 20:03:15,837 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [19651295] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:03:15,837 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:03:15,837 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:03:15,837 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649302227] [2021-11-07 20:03:15,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:03:15,837 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 20:03:15,837 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:03:15,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 20:03:15,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 20:03:15,838 INFO L87 Difference]: Start difference. First operand 19742 states and 30525 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (7), 1 states have call predecessors, (7), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:03:16,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:03:16,862 INFO L93 Difference]: Finished difference Result 39394 states and 66056 transitions. [2021-11-07 20:03:16,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 20:03:16,863 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (7), 1 states have call predecessors, (7), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-11-07 20:03:16,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:03:16,960 INFO L225 Difference]: With dead ends: 39394 [2021-11-07 20:03:16,960 INFO L226 Difference]: Without dead ends: 20202 [2021-11-07 20:03:17,310 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.80ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 20:03:17,311 INFO L933 BasicCegarLoop]: 2811 mSDtfsCounter, 53 mSDsluCounter, 2802 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.52ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 5613 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.06ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.25ms IncrementalHoareTripleChecker+Time [2021-11-07 20:03:17,311 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [56 Valid, 5613 Invalid, 13 Unknown, 0 Unchecked, 5.06ms Time], IncrementalHoareTripleChecker [5 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 16.25ms Time] [2021-11-07 20:03:17,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20202 states. [2021-11-07 20:03:18,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20202 to 19882. [2021-11-07 20:03:18,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19882 states, 17960 states have (on average 1.3464922048997774) internal successors, (24183), 18351 states have internal predecessors, (24183), 1171 states have call successors, (1171), 650 states have call predecessors, (1171), 665 states have return successors, (5419), 1114 states have call predecessors, (5419), 1171 states have call successors, (5419) [2021-11-07 20:03:18,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19882 states to 19882 states and 30773 transitions. [2021-11-07 20:03:18,278 INFO L78 Accepts]: Start accepts. Automaton has 19882 states and 30773 transitions. Word has length 56 [2021-11-07 20:03:18,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:03:18,278 INFO L470 AbstractCegarLoop]: Abstraction has 19882 states and 30773 transitions. [2021-11-07 20:03:18,279 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (7), 1 states have call predecessors, (7), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:03:18,279 INFO L276 IsEmpty]: Start isEmpty. Operand 19882 states and 30773 transitions. [2021-11-07 20:03:18,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-07 20:03:18,280 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:03:18,280 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:03:18,280 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-11-07 20:03:18,280 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ipmi_timeout_handlerErr0ASSERT_VIOLATIONERROR_FUNCTION, ipmi_timeout_handlerErr1ASSERT_VIOLATIONERROR_FUNCTION, ipmi_timeout_handlerErr2ASSERT_VIOLATIONERROR_FUNCTION (and 111 more)] === [2021-11-07 20:03:18,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:03:18,281 INFO L85 PathProgramCache]: Analyzing trace with hash -665142980, now seen corresponding path program 1 times [2021-11-07 20:03:18,281 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:03:18,281 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946361576] [2021-11-07 20:03:18,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:03:18,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:03:18,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:03:18,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:03:18,461 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:03:18,461 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946361576] [2021-11-07 20:03:18,461 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946361576] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:03:18,461 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:03:18,461 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:03:18,461 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684348239] [2021-11-07 20:03:18,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:03:18,462 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:03:18,462 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:03:18,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:03:18,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:03:18,463 INFO L87 Difference]: Start difference. First operand 19882 states and 30773 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:03:19,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:03:19,209 INFO L93 Difference]: Finished difference Result 19882 states and 30773 transitions. [2021-11-07 20:03:19,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:03:19,209 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2021-11-07 20:03:19,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:03:19,271 INFO L225 Difference]: With dead ends: 19882 [2021-11-07 20:03:19,272 INFO L226 Difference]: Without dead ends: 19878 [2021-11-07 20:03:19,284 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.55ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:03:19,285 INFO L933 BasicCegarLoop]: 2803 mSDtfsCounter, 2807 mSDsluCounter, 2757 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.73ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2807 SdHoareTripleChecker+Valid, 5560 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.78ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.40ms IncrementalHoareTripleChecker+Time [2021-11-07 20:03:19,285 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2807 Valid, 5560 Invalid, 6 Unknown, 0 Unchecked, 6.78ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 6.40ms Time] [2021-11-07 20:03:19,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19878 states. [2021-11-07 20:03:20,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19878 to 19878. [2021-11-07 20:03:20,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19878 states, 17958 states have (on average 1.3464194230983406) internal successors, (24179), 18347 states have internal predecessors, (24179), 1171 states have call successors, (1171), 650 states have call predecessors, (1171), 665 states have return successors, (5419), 1114 states have call predecessors, (5419), 1171 states have call successors, (5419) [2021-11-07 20:03:20,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19878 states to 19878 states and 30769 transitions. [2021-11-07 20:03:20,434 INFO L78 Accepts]: Start accepts. Automaton has 19878 states and 30769 transitions. Word has length 51 [2021-11-07 20:03:20,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:03:20,435 INFO L470 AbstractCegarLoop]: Abstraction has 19878 states and 30769 transitions. [2021-11-07 20:03:20,436 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:03:20,436 INFO L276 IsEmpty]: Start isEmpty. Operand 19878 states and 30769 transitions. [2021-11-07 20:03:20,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-07 20:03:20,437 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:03:20,437 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:03:20,438 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-11-07 20:03:20,438 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ipmi_timeout_handlerErr0ASSERT_VIOLATIONERROR_FUNCTION, ipmi_timeout_handlerErr1ASSERT_VIOLATIONERROR_FUNCTION, ipmi_timeout_handlerErr2ASSERT_VIOLATIONERROR_FUNCTION (and 111 more)] === [2021-11-07 20:03:20,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:03:20,439 INFO L85 PathProgramCache]: Analyzing trace with hash 748018816, now seen corresponding path program 1 times [2021-11-07 20:03:20,439 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:03:20,439 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180011418] [2021-11-07 20:03:20,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:03:20,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:03:20,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:03:20,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:03:20,765 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:03:20,765 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180011418] [2021-11-07 20:03:20,765 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180011418] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:03:20,765 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:03:20,766 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:03:20,766 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346766586] [2021-11-07 20:03:20,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:03:20,767 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:03:20,767 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:03:20,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:03:20,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:03:20,767 INFO L87 Difference]: Start difference. First operand 19878 states and 30769 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:03:21,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:03:21,716 INFO L93 Difference]: Finished difference Result 19878 states and 30769 transitions. [2021-11-07 20:03:21,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:03:21,716 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2021-11-07 20:03:21,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:03:21,781 INFO L225 Difference]: With dead ends: 19878 [2021-11-07 20:03:21,782 INFO L226 Difference]: Without dead ends: 19874 [2021-11-07 20:03:21,795 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.09ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:03:21,796 INFO L933 BasicCegarLoop]: 2799 mSDtfsCounter, 2793 mSDsluCounter, 2761 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.72ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2793 SdHoareTripleChecker+Valid, 5560 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.06ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.43ms IncrementalHoareTripleChecker+Time [2021-11-07 20:03:21,796 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2793 Valid, 5560 Invalid, 6 Unknown, 0 Unchecked, 8.06ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 7.43ms Time] [2021-11-07 20:03:21,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19874 states. [2021-11-07 20:03:22,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19874 to 19874. [2021-11-07 20:03:22,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19874 states, 17956 states have (on average 1.3463466250835376) internal successors, (24175), 18343 states have internal predecessors, (24175), 1171 states have call successors, (1171), 650 states have call predecessors, (1171), 665 states have return successors, (5419), 1114 states have call predecessors, (5419), 1171 states have call successors, (5419) [2021-11-07 20:03:22,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19874 states to 19874 states and 30765 transitions. [2021-11-07 20:03:22,924 INFO L78 Accepts]: Start accepts. Automaton has 19874 states and 30765 transitions. Word has length 53 [2021-11-07 20:03:22,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:03:22,924 INFO L470 AbstractCegarLoop]: Abstraction has 19874 states and 30765 transitions. [2021-11-07 20:03:22,924 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:03:22,924 INFO L276 IsEmpty]: Start isEmpty. Operand 19874 states and 30765 transitions. [2021-11-07 20:03:22,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-07 20:03:22,926 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:03:22,926 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:03:22,926 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-11-07 20:03:22,926 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting handle_new_recv_msgsErr3ASSERT_VIOLATIONERROR_FUNCTION === [ipmi_timeout_handlerErr0ASSERT_VIOLATIONERROR_FUNCTION, ipmi_timeout_handlerErr1ASSERT_VIOLATIONERROR_FUNCTION, ipmi_timeout_handlerErr2ASSERT_VIOLATIONERROR_FUNCTION (and 111 more)] === [2021-11-07 20:03:22,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:03:22,927 INFO L85 PathProgramCache]: Analyzing trace with hash 1485590666, now seen corresponding path program 1 times [2021-11-07 20:03:22,927 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:03:22,927 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526856401] [2021-11-07 20:03:22,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:03:22,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:03:23,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:03:23,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:03:23,122 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:03:23,122 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526856401] [2021-11-07 20:03:23,123 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526856401] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:03:23,123 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:03:23,123 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 20:03:23,124 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101059047] [2021-11-07 20:03:23,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:03:23,124 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:03:23,125 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:03:23,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:03:23,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:03:23,125 INFO L87 Difference]: Start difference. First operand 19874 states and 30765 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (7), 1 states have call predecessors, (7), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:03:25,188 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 20:03:26,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:03:26,196 INFO L93 Difference]: Finished difference Result 22272 states and 33977 transitions. [2021-11-07 20:03:26,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 20:03:26,197 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (7), 1 states have call predecessors, (7), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2021-11-07 20:03:26,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:03:26,259 INFO L225 Difference]: With dead ends: 22272 [2021-11-07 20:03:26,259 INFO L226 Difference]: Without dead ends: 22268 [2021-11-07 20:03:26,273 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.40ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:03:26,273 INFO L933 BasicCegarLoop]: 5732 mSDtfsCounter, 2889 mSDsluCounter, 8488 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2101.72ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2892 SdHoareTripleChecker+Valid, 14220 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.34ms SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2244.71ms IncrementalHoareTripleChecker+Time [2021-11-07 20:03:26,273 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2892 Valid, 14220 Invalid, 45 Unknown, 0 Unchecked, 11.34ms Time], IncrementalHoareTripleChecker [8 Valid, 36 Invalid, 1 Unknown, 0 Unchecked, 2244.71ms Time] [2021-11-07 20:03:26,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22268 states. [2021-11-07 20:03:27,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22268 to 19870. [2021-11-07 20:03:27,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19870 states, 17954 states have (on average 1.3452712487467973) internal successors, (24153), 18339 states have internal predecessors, (24153), 1171 states have call successors, (1171), 650 states have call predecessors, (1171), 665 states have return successors, (5419), 1114 states have call predecessors, (5419), 1171 states have call successors, (5419) [2021-11-07 20:03:27,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19870 states to 19870 states and 30743 transitions. [2021-11-07 20:03:27,390 INFO L78 Accepts]: Start accepts. Automaton has 19870 states and 30743 transitions. Word has length 61 [2021-11-07 20:03:27,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:03:27,390 INFO L470 AbstractCegarLoop]: Abstraction has 19870 states and 30743 transitions. [2021-11-07 20:03:27,390 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (7), 1 states have call predecessors, (7), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:03:27,390 INFO L276 IsEmpty]: Start isEmpty. Operand 19870 states and 30743 transitions. [2021-11-07 20:03:27,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-07 20:03:27,392 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:03:27,392 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:03:27,392 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-11-07 20:03:27,392 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ipmi_timeout_handlerErr0ASSERT_VIOLATIONERROR_FUNCTION, ipmi_timeout_handlerErr1ASSERT_VIOLATIONERROR_FUNCTION, ipmi_timeout_handlerErr2ASSERT_VIOLATIONERROR_FUNCTION (and 111 more)] === [2021-11-07 20:03:27,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:03:27,392 INFO L85 PathProgramCache]: Analyzing trace with hash 1586839588, now seen corresponding path program 1 times [2021-11-07 20:03:27,393 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:03:27,393 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312210377] [2021-11-07 20:03:27,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:03:27,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:03:27,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:03:27,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:03:27,547 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:03:27,547 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312210377] [2021-11-07 20:03:27,547 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1312210377] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:03:27,547 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:03:27,547 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:03:27,548 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724841322] [2021-11-07 20:03:27,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:03:27,548 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:03:27,548 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:03:27,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:03:27,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:03:27,549 INFO L87 Difference]: Start difference. First operand 19870 states and 30743 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:03:28,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:03:28,329 INFO L93 Difference]: Finished difference Result 19870 states and 30743 transitions. [2021-11-07 20:03:28,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:03:28,329 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2021-11-07 20:03:28,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:03:28,380 INFO L225 Difference]: With dead ends: 19870 [2021-11-07 20:03:28,381 INFO L226 Difference]: Without dead ends: 19866 [2021-11-07 20:03:28,391 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.04ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:03:28,392 INFO L933 BasicCegarLoop]: 2791 mSDtfsCounter, 2775 mSDsluCounter, 2761 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.73ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2775 SdHoareTripleChecker+Valid, 5552 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.92ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.27ms IncrementalHoareTripleChecker+Time [2021-11-07 20:03:28,392 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2775 Valid, 5552 Invalid, 6 Unknown, 0 Unchecked, 5.92ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 5.27ms Time] [2021-11-07 20:03:28,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19866 states. [2021-11-07 20:03:29,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19866 to 19866. [2021-11-07 20:03:29,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19866 states, 17952 states have (on average 1.3451983065953654) internal successors, (24149), 18335 states have internal predecessors, (24149), 1171 states have call successors, (1171), 650 states have call predecessors, (1171), 665 states have return successors, (5419), 1114 states have call predecessors, (5419), 1171 states have call successors, (5419) [2021-11-07 20:03:29,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19866 states to 19866 states and 30739 transitions. [2021-11-07 20:03:29,337 INFO L78 Accepts]: Start accepts. Automaton has 19866 states and 30739 transitions. Word has length 55 [2021-11-07 20:03:29,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:03:29,338 INFO L470 AbstractCegarLoop]: Abstraction has 19866 states and 30739 transitions. [2021-11-07 20:03:29,338 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:03:29,338 INFO L276 IsEmpty]: Start isEmpty. Operand 19866 states and 30739 transitions. [2021-11-07 20:03:29,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-07 20:03:29,339 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:03:29,339 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:03:29,339 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-11-07 20:03:29,339 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ipmi_timeout_handlerErr7ASSERT_VIOLATIONERROR_FUNCTION === [ipmi_timeout_handlerErr0ASSERT_VIOLATIONERROR_FUNCTION, ipmi_timeout_handlerErr1ASSERT_VIOLATIONERROR_FUNCTION, ipmi_timeout_handlerErr2ASSERT_VIOLATIONERROR_FUNCTION (and 111 more)] === [2021-11-07 20:03:29,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:03:29,340 INFO L85 PathProgramCache]: Analyzing trace with hash 1928565802, now seen corresponding path program 1 times [2021-11-07 20:03:29,340 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:03:29,340 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114912951] [2021-11-07 20:03:29,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:03:29,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:03:29,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:03:29,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:03:29,511 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:03:29,512 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114912951] [2021-11-07 20:03:29,512 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [114912951] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:03:29,512 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:03:29,512 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:03:29,512 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667589089] [2021-11-07 20:03:29,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:03:29,512 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 20:03:29,513 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:03:29,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 20:03:29,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 20:03:29,513 INFO L87 Difference]: Start difference. First operand 19866 states and 30739 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (7), 1 states have call predecessors, (7), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:03:30,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:03:30,829 INFO L93 Difference]: Finished difference Result 36505 states and 59364 transitions. [2021-11-07 20:03:30,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 20:03:30,830 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (7), 1 states have call predecessors, (7), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2021-11-07 20:03:30,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:03:30,904 INFO L225 Difference]: With dead ends: 36505 [2021-11-07 20:03:30,904 INFO L226 Difference]: Without dead ends: 20500 [2021-11-07 20:03:31,010 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.64ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 20:03:31,011 INFO L933 BasicCegarLoop]: 2793 mSDtfsCounter, 118 mSDsluCounter, 2789 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.73ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 5582 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.58ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.61ms IncrementalHoareTripleChecker+Time [2021-11-07 20:03:31,011 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [119 Valid, 5582 Invalid, 8 Unknown, 0 Unchecked, 4.58ms Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 13.61ms Time] [2021-11-07 20:03:31,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20500 states. [2021-11-07 20:03:31,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20500 to 19874. [2021-11-07 20:03:31,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19874 states, 17960 states have (on average 1.3450445434298441) internal successors, (24157), 18343 states have internal predecessors, (24157), 1171 states have call successors, (1171), 650 states have call predecessors, (1171), 665 states have return successors, (5419), 1114 states have call predecessors, (5419), 1171 states have call successors, (5419) [2021-11-07 20:03:32,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19874 states to 19874 states and 30747 transitions. [2021-11-07 20:03:32,009 INFO L78 Accepts]: Start accepts. Automaton has 19874 states and 30747 transitions. Word has length 63 [2021-11-07 20:03:32,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:03:32,010 INFO L470 AbstractCegarLoop]: Abstraction has 19874 states and 30747 transitions. [2021-11-07 20:03:32,010 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (7), 1 states have call predecessors, (7), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:03:32,010 INFO L276 IsEmpty]: Start isEmpty. Operand 19874 states and 30747 transitions. [2021-11-07 20:03:32,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-07 20:03:32,011 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:03:32,011 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:03:32,012 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-11-07 20:03:32,012 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION === [ipmi_timeout_handlerErr0ASSERT_VIOLATIONERROR_FUNCTION, ipmi_timeout_handlerErr1ASSERT_VIOLATIONERROR_FUNCTION, ipmi_timeout_handlerErr2ASSERT_VIOLATIONERROR_FUNCTION (and 111 more)] === [2021-11-07 20:03:32,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:03:32,012 INFO L85 PathProgramCache]: Analyzing trace with hash 239750184, now seen corresponding path program 1 times [2021-11-07 20:03:32,012 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:03:32,012 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106332292] [2021-11-07 20:03:32,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:03:32,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:03:32,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:03:32,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:03:32,282 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:03:32,282 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106332292] [2021-11-07 20:03:32,282 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [106332292] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:03:32,282 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:03:32,282 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:03:32,282 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560981981] [2021-11-07 20:03:32,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:03:32,283 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:03:32,283 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:03:32,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:03:32,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:03:32,283 INFO L87 Difference]: Start difference. First operand 19874 states and 30747 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:03:33,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:03:33,009 INFO L93 Difference]: Finished difference Result 19874 states and 30747 transitions. [2021-11-07 20:03:33,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:03:33,009 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2021-11-07 20:03:33,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:03:33,066 INFO L225 Difference]: With dead ends: 19874 [2021-11-07 20:03:33,067 INFO L226 Difference]: Without dead ends: 19870 [2021-11-07 20:03:33,080 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.02ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:03:33,080 INFO L933 BasicCegarLoop]: 2787 mSDtfsCounter, 2761 mSDsluCounter, 2765 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.25ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2761 SdHoareTripleChecker+Valid, 5552 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.95ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.83ms IncrementalHoareTripleChecker+Time [2021-11-07 20:03:33,081 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2761 Valid, 5552 Invalid, 6 Unknown, 0 Unchecked, 5.95ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 5.83ms Time] [2021-11-07 20:03:33,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19870 states. [2021-11-07 20:03:34,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19870 to 19870. [2021-11-07 20:03:34,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19870 states, 17958 states have (on average 1.3449716004009356) internal successors, (24153), 18339 states have internal predecessors, (24153), 1171 states have call successors, (1171), 650 states have call predecessors, (1171), 665 states have return successors, (5419), 1114 states have call predecessors, (5419), 1171 states have call successors, (5419) [2021-11-07 20:03:34,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19870 states to 19870 states and 30743 transitions. [2021-11-07 20:03:34,211 INFO L78 Accepts]: Start accepts. Automaton has 19870 states and 30743 transitions. Word has length 57 [2021-11-07 20:03:34,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:03:34,211 INFO L470 AbstractCegarLoop]: Abstraction has 19870 states and 30743 transitions. [2021-11-07 20:03:34,211 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:03:34,211 INFO L276 IsEmpty]: Start isEmpty. Operand 19870 states and 30743 transitions. [2021-11-07 20:03:34,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-07 20:03:34,213 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:03:34,213 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:03:34,213 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-11-07 20:03:34,213 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ipmi_timeout_handlerErr0ASSERT_VIOLATIONERROR_FUNCTION, ipmi_timeout_handlerErr1ASSERT_VIOLATIONERROR_FUNCTION, ipmi_timeout_handlerErr2ASSERT_VIOLATIONERROR_FUNCTION (and 111 more)] === [2021-11-07 20:03:34,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:03:34,213 INFO L85 PathProgramCache]: Analyzing trace with hash -1528010612, now seen corresponding path program 1 times [2021-11-07 20:03:34,213 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:03:34,213 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524042633] [2021-11-07 20:03:34,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:03:34,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:03:34,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:03:34,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:03:34,365 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:03:34,365 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524042633] [2021-11-07 20:03:34,365 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [524042633] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:03:34,365 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:03:34,365 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:03:34,365 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63969469] [2021-11-07 20:03:34,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:03:34,366 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:03:34,366 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:03:34,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:03:34,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:03:34,367 INFO L87 Difference]: Start difference. First operand 19870 states and 30743 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:03:35,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:03:35,114 INFO L93 Difference]: Finished difference Result 19870 states and 30743 transitions. [2021-11-07 20:03:35,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:03:35,114 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 59 [2021-11-07 20:03:35,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:03:35,167 INFO L225 Difference]: With dead ends: 19870 [2021-11-07 20:03:35,167 INFO L226 Difference]: Without dead ends: 19866 [2021-11-07 20:03:35,179 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.04ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:03:35,180 INFO L933 BasicCegarLoop]: 2783 mSDtfsCounter, 2747 mSDsluCounter, 2769 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.33ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2747 SdHoareTripleChecker+Valid, 5552 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.86ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.96ms IncrementalHoareTripleChecker+Time [2021-11-07 20:03:35,180 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2747 Valid, 5552 Invalid, 6 Unknown, 0 Unchecked, 5.86ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 5.96ms Time] [2021-11-07 20:03:35,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19866 states. [2021-11-07 20:03:36,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19866 to 19866. [2021-11-07 20:03:36,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19866 states, 17956 states have (on average 1.3448986411227444) internal successors, (24149), 18335 states have internal predecessors, (24149), 1171 states have call successors, (1171), 650 states have call predecessors, (1171), 665 states have return successors, (5419), 1114 states have call predecessors, (5419), 1171 states have call successors, (5419) [2021-11-07 20:03:36,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19866 states to 19866 states and 30739 transitions. [2021-11-07 20:03:36,277 INFO L78 Accepts]: Start accepts. Automaton has 19866 states and 30739 transitions. Word has length 59 [2021-11-07 20:03:36,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:03:36,277 INFO L470 AbstractCegarLoop]: Abstraction has 19866 states and 30739 transitions. [2021-11-07 20:03:36,277 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:03:36,277 INFO L276 IsEmpty]: Start isEmpty. Operand 19866 states and 30739 transitions. [2021-11-07 20:03:36,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-07 20:03:36,279 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:03:36,279 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:03:36,279 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-11-07 20:03:36,280 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ipmi_timeout_handlerErr7ASSERT_VIOLATIONERROR_FUNCTION === [ipmi_timeout_handlerErr0ASSERT_VIOLATIONERROR_FUNCTION, ipmi_timeout_handlerErr1ASSERT_VIOLATIONERROR_FUNCTION, ipmi_timeout_handlerErr2ASSERT_VIOLATIONERROR_FUNCTION (and 111 more)] === [2021-11-07 20:03:36,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:03:36,280 INFO L85 PathProgramCache]: Analyzing trace with hash 517713681, now seen corresponding path program 1 times [2021-11-07 20:03:36,280 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:03:36,280 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893583143] [2021-11-07 20:03:36,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:03:36,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:03:36,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:03:36,439 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:03:36,440 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:03:36,440 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893583143] [2021-11-07 20:03:36,440 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893583143] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 20:03:36,440 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [720786208] [2021-11-07 20:03:36,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:03:36,440 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 20:03:36,441 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 20:03:36,442 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) [2021-11-07 20:03:36,443 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-07 20:03:37,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:03:37,674 INFO L263 TraceCheckSpWp]: Trace formula consists of 4839 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 20:03:37,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 20:03:37,794 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:03:37,794 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 20:03:37,898 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:03:37,898 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [720786208] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 20:03:37,898 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 20:03:37,898 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2021-11-07 20:03:37,898 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460364926] [2021-11-07 20:03:37,898 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-07 20:03:37,899 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-07 20:03:37,899 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:03:37,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-07 20:03:37,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-11-07 20:03:37,899 INFO L87 Difference]: Start difference. First operand 19866 states and 30739 transitions. Second operand has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 7 states have internal predecessors, (71), 1 states have call successors, (7), 1 states have call predecessors, (7), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:03:39,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:03:39,171 INFO L93 Difference]: Finished difference Result 37773 states and 61070 transitions. [2021-11-07 20:03:39,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 20:03:39,171 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 7 states have internal predecessors, (71), 1 states have call successors, (7), 1 states have call predecessors, (7), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2021-11-07 20:03:39,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:03:39,239 INFO L225 Difference]: With dead ends: 37773 [2021-11-07 20:03:39,239 INFO L226 Difference]: Without dead ends: 21768 [2021-11-07 20:03:39,339 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 15.60ms TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-11-07 20:03:39,339 INFO L933 BasicCegarLoop]: 2787 mSDtfsCounter, 938 mSDsluCounter, 3012 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.82ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 942 SdHoareTripleChecker+Valid, 5799 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.10ms SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.94ms IncrementalHoareTripleChecker+Time [2021-11-07 20:03:39,339 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [942 Valid, 5799 Invalid, 30 Unknown, 0 Unchecked, 5.10ms Time], IncrementalHoareTripleChecker [9 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 41.94ms Time] [2021-11-07 20:03:39,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21768 states. [2021-11-07 20:03:40,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21768 to 21738. [2021-11-07 20:03:40,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21738 states, 19804 states have (on average 1.3442233892143) internal successors, (26621), 20207 states have internal predecessors, (26621), 1195 states have call successors, (1195), 650 states have call predecessors, (1195), 665 states have return successors, (5443), 1138 states have call predecessors, (5443), 1195 states have call successors, (5443) [2021-11-07 20:03:40,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21738 states to 21738 states and 33259 transitions. [2021-11-07 20:03:40,477 INFO L78 Accepts]: Start accepts. Automaton has 21738 states and 33259 transitions. Word has length 67 [2021-11-07 20:03:40,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:03:40,478 INFO L470 AbstractCegarLoop]: Abstraction has 21738 states and 33259 transitions. [2021-11-07 20:03:40,478 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 7 states have internal predecessors, (71), 1 states have call successors, (7), 1 states have call predecessors, (7), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:03:40,478 INFO L276 IsEmpty]: Start isEmpty. Operand 21738 states and 33259 transitions. [2021-11-07 20:03:40,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-07 20:03:40,480 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:03:40,480 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:03:40,507 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-07 20:03:40,704 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 20:03:40,705 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION === [ipmi_timeout_handlerErr0ASSERT_VIOLATIONERROR_FUNCTION, ipmi_timeout_handlerErr1ASSERT_VIOLATIONERROR_FUNCTION, ipmi_timeout_handlerErr2ASSERT_VIOLATIONERROR_FUNCTION (and 111 more)] === [2021-11-07 20:03:40,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:03:40,705 INFO L85 PathProgramCache]: Analyzing trace with hash 460914000, now seen corresponding path program 1 times [2021-11-07 20:03:40,705 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:03:40,705 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876049597] [2021-11-07 20:03:40,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:03:40,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:03:40,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:03:40,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:03:40,956 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:03:40,956 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876049597] [2021-11-07 20:03:40,956 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [876049597] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:03:40,956 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:03:40,956 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:03:40,956 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536438347] [2021-11-07 20:03:40,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:03:40,957 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:03:40,957 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:03:40,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:03:40,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:03:40,957 INFO L87 Difference]: Start difference. First operand 21738 states and 33259 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:03:41,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:03:41,827 INFO L93 Difference]: Finished difference Result 21738 states and 33259 transitions. [2021-11-07 20:03:41,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:03:41,827 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2021-11-07 20:03:41,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:03:41,886 INFO L225 Difference]: With dead ends: 21738 [2021-11-07 20:03:41,886 INFO L226 Difference]: Without dead ends: 21734 [2021-11-07 20:03:41,901 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.76ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:03:41,901 INFO L933 BasicCegarLoop]: 2779 mSDtfsCounter, 2733 mSDsluCounter, 2773 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.05ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2733 SdHoareTripleChecker+Valid, 5552 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.10ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.64ms IncrementalHoareTripleChecker+Time [2021-11-07 20:03:41,901 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2733 Valid, 5552 Invalid, 6 Unknown, 0 Unchecked, 6.10ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 5.64ms Time] [2021-11-07 20:03:41,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21734 states. [2021-11-07 20:03:43,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21734 to 21734. [2021-11-07 20:03:43,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21734 states, 19802 states have (on average 1.3441571558428442) internal successors, (26617), 20203 states have internal predecessors, (26617), 1195 states have call successors, (1195), 650 states have call predecessors, (1195), 665 states have return successors, (5443), 1138 states have call predecessors, (5443), 1195 states have call successors, (5443) [2021-11-07 20:03:43,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21734 states to 21734 states and 33255 transitions. [2021-11-07 20:03:43,144 INFO L78 Accepts]: Start accepts. Automaton has 21734 states and 33255 transitions. Word has length 61 [2021-11-07 20:03:43,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:03:43,145 INFO L470 AbstractCegarLoop]: Abstraction has 21734 states and 33255 transitions. [2021-11-07 20:03:43,145 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:03:43,145 INFO L276 IsEmpty]: Start isEmpty. Operand 21734 states and 33255 transitions. [2021-11-07 20:03:43,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-07 20:03:43,147 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:03:43,147 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:03:43,147 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-11-07 20:03:43,147 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting handle_read_event_rspErr0ASSERT_VIOLATIONERROR_FUNCTION === [ipmi_timeout_handlerErr0ASSERT_VIOLATIONERROR_FUNCTION, ipmi_timeout_handlerErr1ASSERT_VIOLATIONERROR_FUNCTION, ipmi_timeout_handlerErr2ASSERT_VIOLATIONERROR_FUNCTION (and 111 more)] === [2021-11-07 20:03:43,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:03:43,148 INFO L85 PathProgramCache]: Analyzing trace with hash 1835117517, now seen corresponding path program 1 times [2021-11-07 20:03:43,148 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:03:43,148 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411665368] [2021-11-07 20:03:43,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:03:43,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:03:43,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:03:43,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:03:43,334 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:03:43,334 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411665368] [2021-11-07 20:03:43,334 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411665368] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:03:43,334 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:03:43,334 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:03:43,335 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098603000] [2021-11-07 20:03:43,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:03:43,335 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:03:43,335 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:03:43,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:03:43,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:03:43,336 INFO L87 Difference]: Start difference. First operand 21734 states and 33255 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (9), 1 states have call predecessors, (9), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:03:44,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:03:44,772 INFO L93 Difference]: Finished difference Result 31422 states and 49315 transitions. [2021-11-07 20:03:44,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 20:03:44,773 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (9), 1 states have call predecessors, (9), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2021-11-07 20:03:44,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:03:44,851 INFO L225 Difference]: With dead ends: 31422 [2021-11-07 20:03:44,851 INFO L226 Difference]: Without dead ends: 31420 [2021-11-07 20:03:44,864 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.69ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:03:44,865 INFO L933 BasicCegarLoop]: 2902 mSDtfsCounter, 2770 mSDsluCounter, 4668 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 43.60ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2772 SdHoareTripleChecker+Valid, 7570 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.20ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 47.44ms IncrementalHoareTripleChecker+Time [2021-11-07 20:03:44,865 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2772 Valid, 7570 Invalid, 17 Unknown, 0 Unchecked, 8.20ms Time], IncrementalHoareTripleChecker [5 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 47.44ms Time] [2021-11-07 20:03:44,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31420 states. [2021-11-07 20:03:46,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31420 to 31234. [2021-11-07 20:03:46,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31234 states, 28490 states have (on average 1.3511056511056512) internal successors, (38493), 29043 states have internal predecessors, (38493), 1711 states have call successors, (1711), 934 states have call predecessors, (1711), 961 states have return successors, (8969), 1622 states have call predecessors, (8969), 1711 states have call successors, (8969) [2021-11-07 20:03:46,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31234 states to 31234 states and 49173 transitions. [2021-11-07 20:03:46,628 INFO L78 Accepts]: Start accepts. Automaton has 31234 states and 49173 transitions. Word has length 70 [2021-11-07 20:03:46,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:03:46,629 INFO L470 AbstractCegarLoop]: Abstraction has 31234 states and 49173 transitions. [2021-11-07 20:03:46,629 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (9), 1 states have call predecessors, (9), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:03:46,629 INFO L276 IsEmpty]: Start isEmpty. Operand 31234 states and 49173 transitions. [2021-11-07 20:03:46,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-07 20:03:46,631 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:03:46,631 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:03:46,631 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-11-07 20:03:46,631 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION === [ipmi_timeout_handlerErr0ASSERT_VIOLATIONERROR_FUNCTION, ipmi_timeout_handlerErr1ASSERT_VIOLATIONERROR_FUNCTION, ipmi_timeout_handlerErr2ASSERT_VIOLATIONERROR_FUNCTION (and 111 more)] === [2021-11-07 20:03:46,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:03:46,632 INFO L85 PathProgramCache]: Analyzing trace with hash 557019764, now seen corresponding path program 1 times [2021-11-07 20:03:46,632 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:03:46,632 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317569060] [2021-11-07 20:03:46,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:03:46,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:03:46,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:03:46,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:03:46,775 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:03:46,775 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317569060] [2021-11-07 20:03:46,775 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [317569060] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:03:46,776 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:03:46,776 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:03:46,776 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915077903] [2021-11-07 20:03:46,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:03:46,776 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:03:46,776 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:03:46,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:03:46,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:03:46,777 INFO L87 Difference]: Start difference. First operand 31234 states and 49173 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:03:48,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:03:48,173 INFO L93 Difference]: Finished difference Result 31234 states and 49173 transitions. [2021-11-07 20:03:48,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:03:48,174 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2021-11-07 20:03:48,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:03:48,246 INFO L225 Difference]: With dead ends: 31234 [2021-11-07 20:03:48,246 INFO L226 Difference]: Without dead ends: 30141 [2021-11-07 20:03:48,259 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.25ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:03:48,259 INFO L933 BasicCegarLoop]: 2777 mSDtfsCounter, 2719 mSDsluCounter, 2777 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.48ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2719 SdHoareTripleChecker+Valid, 5554 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.96ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.74ms IncrementalHoareTripleChecker+Time [2021-11-07 20:03:48,259 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2719 Valid, 5554 Invalid, 4 Unknown, 0 Unchecked, 5.96ms Time], IncrementalHoareTripleChecker [2 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 3.74ms Time] [2021-11-07 20:03:48,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30141 states. [2021-11-07 20:03:49,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30141 to 30141. [2021-11-07 20:03:49,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30141 states, 27399 states have (on average 1.361765027920727) internal successors, (37311), 27950 states have internal predecessors, (37311), 1711 states have call successors, (1711), 934 states have call predecessors, (1711), 961 states have return successors, (8969), 1622 states have call predecessors, (8969), 1711 states have call successors, (8969) [2021-11-07 20:03:49,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30141 states to 30141 states and 47991 transitions. [2021-11-07 20:03:49,983 INFO L78 Accepts]: Start accepts. Automaton has 30141 states and 47991 transitions. Word has length 63 [2021-11-07 20:03:49,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:03:49,983 INFO L470 AbstractCegarLoop]: Abstraction has 30141 states and 47991 transitions. [2021-11-07 20:03:49,983 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:03:49,983 INFO L276 IsEmpty]: Start isEmpty. Operand 30141 states and 47991 transitions. [2021-11-07 20:03:49,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-07 20:03:49,985 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:03:49,985 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:03:49,985 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-11-07 20:03:49,985 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting handle_new_recv_msgsErr4ASSERT_VIOLATIONERROR_FUNCTION === [ipmi_timeout_handlerErr0ASSERT_VIOLATIONERROR_FUNCTION, ipmi_timeout_handlerErr1ASSERT_VIOLATIONERROR_FUNCTION, ipmi_timeout_handlerErr2ASSERT_VIOLATIONERROR_FUNCTION (and 111 more)] === [2021-11-07 20:03:49,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:03:49,986 INFO L85 PathProgramCache]: Analyzing trace with hash 519220844, now seen corresponding path program 1 times [2021-11-07 20:03:49,986 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:03:49,986 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574903417] [2021-11-07 20:03:49,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:03:49,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:03:50,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:03:50,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:03:50,160 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:03:50,160 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574903417] [2021-11-07 20:03:50,160 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574903417] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:03:50,160 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:03:50,160 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 20:03:50,160 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444511030] [2021-11-07 20:03:50,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:03:50,161 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 20:03:50,161 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:03:50,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 20:03:50,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:03:50,161 INFO L87 Difference]: Start difference. First operand 30141 states and 47991 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (7), 1 states have call predecessors, (7), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:03:52,219 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 20:03:54,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:03:54,514 INFO L93 Difference]: Finished difference Result 32695 states and 51582 transitions. [2021-11-07 20:03:54,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 20:03:54,514 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (7), 1 states have call predecessors, (7), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2021-11-07 20:03:54,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:03:54,602 INFO L225 Difference]: With dead ends: 32695 [2021-11-07 20:03:54,602 INFO L226 Difference]: Without dead ends: 32693 [2021-11-07 20:03:54,618 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.25ms TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-07 20:03:54,619 INFO L933 BasicCegarLoop]: 3707 mSDtfsCounter, 2611 mSDsluCounter, 9826 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 15 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2485.03ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2611 SdHoareTripleChecker+Valid, 13533 SdHoareTripleChecker+Invalid, 385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 14.26ms SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 369 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2685.45ms IncrementalHoareTripleChecker+Time [2021-11-07 20:03:54,619 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2611 Valid, 13533 Invalid, 385 Unknown, 0 Unchecked, 14.26ms Time], IncrementalHoareTripleChecker [15 Valid, 369 Invalid, 1 Unknown, 0 Unchecked, 2685.45ms Time] [2021-11-07 20:03:54,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32693 states. [2021-11-07 20:03:56,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32693 to 30149. [2021-11-07 20:03:56,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30149 states, 27407 states have (on average 1.3616594300726093) internal successors, (37319), 27958 states have internal predecessors, (37319), 1711 states have call successors, (1711), 934 states have call predecessors, (1711), 961 states have return successors, (8969), 1622 states have call predecessors, (8969), 1711 states have call successors, (8969) [2021-11-07 20:03:56,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30149 states to 30149 states and 47999 transitions. [2021-11-07 20:03:56,467 INFO L78 Accepts]: Start accepts. Automaton has 30149 states and 47999 transitions. Word has length 70 [2021-11-07 20:03:56,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:03:56,467 INFO L470 AbstractCegarLoop]: Abstraction has 30149 states and 47999 transitions. [2021-11-07 20:03:56,467 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (7), 1 states have call predecessors, (7), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:03:56,467 INFO L276 IsEmpty]: Start isEmpty. Operand 30149 states and 47999 transitions. [2021-11-07 20:03:56,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-07 20:03:56,469 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:03:56,469 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:03:56,469 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-11-07 20:03:56,469 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ipmi_timeout_handlerErr1ASSERT_VIOLATIONERROR_FUNCTION === [ipmi_timeout_handlerErr0ASSERT_VIOLATIONERROR_FUNCTION, ipmi_timeout_handlerErr1ASSERT_VIOLATIONERROR_FUNCTION, ipmi_timeout_handlerErr2ASSERT_VIOLATIONERROR_FUNCTION (and 111 more)] === [2021-11-07 20:03:56,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:03:56,470 INFO L85 PathProgramCache]: Analyzing trace with hash 2009042104, now seen corresponding path program 1 times [2021-11-07 20:03:56,470 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:03:56,470 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159482943] [2021-11-07 20:03:56,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:03:56,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:03:56,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:03:56,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:03:56,715 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:03:56,715 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159482943] [2021-11-07 20:03:56,715 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159482943] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:03:56,715 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:03:56,715 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-07 20:03:56,716 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802473123] [2021-11-07 20:03:56,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:03:56,716 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 20:03:56,716 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:03:56,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 20:03:56,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:03:56,717 INFO L87 Difference]: Start difference. First operand 30149 states and 47999 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (7), 1 states have call predecessors, (7), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:03:58,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:03:58,545 INFO L93 Difference]: Finished difference Result 60763 states and 96497 transitions. [2021-11-07 20:03:58,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 20:03:58,546 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (7), 1 states have call predecessors, (7), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2021-11-07 20:03:58,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:03:58,649 INFO L225 Difference]: With dead ends: 60763 [2021-11-07 20:03:58,649 INFO L226 Difference]: Without dead ends: 30628 [2021-11-07 20:03:58,759 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 31.65ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-07 20:03:58,760 INFO L933 BasicCegarLoop]: 3055 mSDtfsCounter, 528 mSDsluCounter, 8819 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 94.67ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 528 SdHoareTripleChecker+Valid, 11874 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.58ms SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 109.64ms IncrementalHoareTripleChecker+Time [2021-11-07 20:03:58,760 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [528 Valid, 11874 Invalid, 39 Unknown, 0 Unchecked, 9.58ms Time], IncrementalHoareTripleChecker [6 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 109.64ms Time] [2021-11-07 20:03:58,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30628 states. [2021-11-07 20:04:00,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30628 to 30149. [2021-11-07 20:04:00,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30149 states, 27407 states have (on average 1.3616229430437479) internal successors, (37318), 27958 states have internal predecessors, (37318), 1711 states have call successors, (1711), 934 states have call predecessors, (1711), 961 states have return successors, (8969), 1622 states have call predecessors, (8969), 1711 states have call successors, (8969) [2021-11-07 20:04:00,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30149 states to 30149 states and 47998 transitions. [2021-11-07 20:04:00,816 INFO L78 Accepts]: Start accepts. Automaton has 30149 states and 47998 transitions. Word has length 71 [2021-11-07 20:04:00,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:04:00,817 INFO L470 AbstractCegarLoop]: Abstraction has 30149 states and 47998 transitions. [2021-11-07 20:04:00,817 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (7), 1 states have call predecessors, (7), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:04:00,817 INFO L276 IsEmpty]: Start isEmpty. Operand 30149 states and 47998 transitions. [2021-11-07 20:04:00,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-07 20:04:00,818 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:04:00,819 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:04:00,819 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-11-07 20:04:00,819 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ipmi_timeout_handlerErr1ASSERT_VIOLATIONERROR_FUNCTION === [ipmi_timeout_handlerErr0ASSERT_VIOLATIONERROR_FUNCTION, ipmi_timeout_handlerErr1ASSERT_VIOLATIONERROR_FUNCTION, ipmi_timeout_handlerErr2ASSERT_VIOLATIONERROR_FUNCTION (and 111 more)] === [2021-11-07 20:04:00,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:04:00,819 INFO L85 PathProgramCache]: Analyzing trace with hash -1990512157, now seen corresponding path program 1 times [2021-11-07 20:04:00,819 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:04:00,820 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117772083] [2021-11-07 20:04:00,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:04:00,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:04:02,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:04:03,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:04:03,024 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:04:03,024 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117772083] [2021-11-07 20:04:03,024 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117772083] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:04:03,024 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:04:03,024 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 20:04:03,025 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891255693] [2021-11-07 20:04:03,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:04:03,025 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:04:03,025 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:04:03,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:04:03,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:04:03,026 INFO L87 Difference]: Start difference. First operand 30149 states and 47998 transitions. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (7), 1 states have call predecessors, (7), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:04:04,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:04:04,508 INFO L93 Difference]: Finished difference Result 31127 states and 49585 transitions. [2021-11-07 20:04:04,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:04:04,509 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (7), 1 states have call predecessors, (7), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2021-11-07 20:04:04,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:04:04,584 INFO L225 Difference]: With dead ends: 31127 [2021-11-07 20:04:04,584 INFO L226 Difference]: Without dead ends: 31125 [2021-11-07 20:04:04,599 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.83ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:04:04,599 INFO L933 BasicCegarLoop]: 2809 mSDtfsCounter, 322 mSDsluCounter, 5288 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.44ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 322 SdHoareTripleChecker+Valid, 8097 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.64ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.38ms IncrementalHoareTripleChecker+Time [2021-11-07 20:04:04,600 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [322 Valid, 8097 Invalid, 7 Unknown, 0 Unchecked, 5.64ms Time], IncrementalHoareTripleChecker [4 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 8.38ms Time] [2021-11-07 20:04:04,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31125 states. [2021-11-07 20:04:06,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31125 to 30147. [2021-11-07 20:04:06,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30147 states, 27406 states have (on average 1.3598846967817266) internal successors, (37269), 27956 states have internal predecessors, (37269), 1711 states have call successors, (1711), 934 states have call predecessors, (1711), 961 states have return successors, (8969), 1622 states have call predecessors, (8969), 1711 states have call successors, (8969) [2021-11-07 20:04:06,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30147 states to 30147 states and 47949 transitions. [2021-11-07 20:04:06,364 INFO L78 Accepts]: Start accepts. Automaton has 30147 states and 47949 transitions. Word has length 76 [2021-11-07 20:04:06,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:04:06,364 INFO L470 AbstractCegarLoop]: Abstraction has 30147 states and 47949 transitions. [2021-11-07 20:04:06,365 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (7), 1 states have call predecessors, (7), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:04:06,365 INFO L276 IsEmpty]: Start isEmpty. Operand 30147 states and 47949 transitions. [2021-11-07 20:04:06,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-07 20:04:06,366 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:04:06,367 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:04:06,367 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-11-07 20:04:06,367 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting handle_ipmb_get_msg_rspErr0ASSERT_VIOLATIONERROR_FUNCTION === [ipmi_timeout_handlerErr0ASSERT_VIOLATIONERROR_FUNCTION, ipmi_timeout_handlerErr1ASSERT_VIOLATIONERROR_FUNCTION, ipmi_timeout_handlerErr2ASSERT_VIOLATIONERROR_FUNCTION (and 111 more)] === [2021-11-07 20:04:06,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:04:06,367 INFO L85 PathProgramCache]: Analyzing trace with hash -1128636461, now seen corresponding path program 1 times [2021-11-07 20:04:06,367 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:04:06,368 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819724631] [2021-11-07 20:04:06,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:04:06,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:04:06,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:04:06,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:04:06,573 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:04:06,573 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819724631] [2021-11-07 20:04:06,573 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819724631] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:04:06,573 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:04:06,573 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:04:06,573 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948876970] [2021-11-07 20:04:06,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:04:06,574 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:04:06,574 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:04:06,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:04:06,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:04:06,575 INFO L87 Difference]: Start difference. First operand 30147 states and 47949 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, (9), 1 states have call predecessors, (9), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:04:08,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:04:08,452 INFO L93 Difference]: Finished difference Result 31529 states and 50372 transitions. [2021-11-07 20:04:08,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 20:04:08,453 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, (9), 1 states have call predecessors, (9), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2021-11-07 20:04:08,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:04:08,530 INFO L225 Difference]: With dead ends: 31529 [2021-11-07 20:04:08,531 INFO L226 Difference]: Without dead ends: 31527 [2021-11-07 20:04:08,544 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.85ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:04:08,544 INFO L933 BasicCegarLoop]: 2917 mSDtfsCounter, 2539 mSDsluCounter, 4607 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 93.29ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2539 SdHoareTripleChecker+Valid, 7524 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.38ms SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 111.52ms IncrementalHoareTripleChecker+Time [2021-11-07 20:04:08,544 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2539 Valid, 7524 Invalid, 104 Unknown, 0 Unchecked, 9.38ms Time], IncrementalHoareTripleChecker [13 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 111.52ms Time] [2021-11-07 20:04:08,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31527 states. [2021-11-07 20:04:10,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31527 to 30159. [2021-11-07 20:04:10,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30159 states, 27418 states have (on average 1.3595812969582026) internal successors, (37277), 27968 states have internal predecessors, (37277), 1711 states have call successors, (1711), 934 states have call predecessors, (1711), 961 states have return successors, (8969), 1622 states have call predecessors, (8969), 1711 states have call successors, (8969) [2021-11-07 20:04:10,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30159 states to 30159 states and 47957 transitions. [2021-11-07 20:04:10,310 INFO L78 Accepts]: Start accepts. Automaton has 30159 states and 47957 transitions. Word has length 79 [2021-11-07 20:04:10,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:04:10,310 INFO L470 AbstractCegarLoop]: Abstraction has 30159 states and 47957 transitions. [2021-11-07 20:04:10,310 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (9), 1 states have call predecessors, (9), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:04:10,310 INFO L276 IsEmpty]: Start isEmpty. Operand 30159 states and 47957 transitions. [2021-11-07 20:04:10,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-07 20:04:10,313 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:04:10,313 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:04:10,313 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-11-07 20:04:10,313 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting handle_lan_get_msg_rspErr0ASSERT_VIOLATIONERROR_FUNCTION === [ipmi_timeout_handlerErr0ASSERT_VIOLATIONERROR_FUNCTION, ipmi_timeout_handlerErr1ASSERT_VIOLATIONERROR_FUNCTION, ipmi_timeout_handlerErr2ASSERT_VIOLATIONERROR_FUNCTION (and 111 more)] === [2021-11-07 20:04:10,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:04:10,313 INFO L85 PathProgramCache]: Analyzing trace with hash -857300917, now seen corresponding path program 1 times [2021-11-07 20:04:10,313 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:04:10,313 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266977235] [2021-11-07 20:04:10,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:04:10,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:04:10,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:04:10,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:04:10,494 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:04:10,494 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266977235] [2021-11-07 20:04:10,494 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1266977235] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:04:10,495 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:04:10,495 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:04:10,495 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542966782] [2021-11-07 20:04:10,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:04:10,496 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:04:10,496 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:04:10,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:04:10,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:04:10,496 INFO L87 Difference]: Start difference. First operand 30159 states and 47957 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 1 states have call successors, (9), 1 states have call predecessors, (9), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)