/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 21:32:10,740 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 21:32:10,743 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 21:32:10,779 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 21:32:10,780 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 21:32:10,782 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 21:32:10,784 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 21:32:10,786 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 21:32:10,789 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 21:32:10,790 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 21:32:10,791 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 21:32:10,793 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 21:32:10,794 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 21:32:10,795 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 21:32:10,797 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 21:32:10,799 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 21:32:10,816 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 21:32:10,821 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 21:32:10,825 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 21:32:10,830 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 21:32:10,838 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 21:32:10,841 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 21:32:10,846 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 21:32:10,850 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 21:32:10,859 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-15 21:32:10,860 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-15 21:32:10,860 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-15 21:32:10,865 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-15 21:32:10,866 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-15 21:32:10,868 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-15 21:32:10,868 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 21:32:10,869 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 21:32:10,870 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 21:32:10,871 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 21:32:10,874 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 21:32:10,874 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 21:32:10,875 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 21:32:10,876 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 21:32:10,876 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 21:32:10,877 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 21:32:10,878 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 21:32:10,879 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-15 21:32:10,948 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 21:32:10,948 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 21:32:10,950 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 21:32:10,950 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 21:32:10,951 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 21:32:10,951 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 21:32:10,955 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 21:32:10,955 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 21:32:10,955 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 21:32:10,956 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 21:32:10,957 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 21:32:10,957 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 21:32:10,957 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 21:32:10,958 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 21:32:10,958 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 21:32:10,958 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 21:32:10,958 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 21:32:10,959 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 21:32:10,959 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 21:32:10,959 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 21:32:10,959 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 21:32:10,959 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 21:32:10,960 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 21:32:10,960 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 21:32:10,960 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 21:32:10,960 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 21:32:10,961 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:32:10,961 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 21:32:10,961 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 21:32:10,961 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 21:32:10,962 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 21:32:10,962 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 21:32:10,963 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 21:32:10,963 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 21:32:11,459 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 21:32:11,501 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 21:32:11,505 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 21:32:11,506 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 21:32:11,508 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 21:32:11,509 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.c [2022-10-15 21:32:11,599 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/862c570c1/6cc839b184f1464992b7983a9b8f3cd6/FLAGb09a57faa [2022-10-15 21:32:12,892 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 21:32:12,894 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.c [2022-10-15 21:32:12,997 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/862c570c1/6cc839b184f1464992b7983a9b8f3cd6/FLAGb09a57faa [2022-10-15 21:32:13,179 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/862c570c1/6cc839b184f1464992b7983a9b8f3cd6 [2022-10-15 21:32:13,183 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 21:32:13,189 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 21:32:13,192 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 21:32:13,193 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 21:32:13,197 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 21:32:13,198 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:32:13" (1/1) ... [2022-10-15 21:32:13,199 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5908f533 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:32:13, skipping insertion in model container [2022-10-15 21:32:13,199 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:32:13" (1/1) ... [2022-10-15 21:32:13,209 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 21:32:13,458 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 21:32:18,830 WARN L230 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-multiproperty/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.c[405079,405092] [2022-10-15 21:32:18,836 WARN L230 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-multiproperty/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.c[405653,405666] [2022-10-15 21:32:18,842 WARN L230 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-multiproperty/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.c[406852,406865] [2022-10-15 21:32:18,849 WARN L230 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-multiproperty/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.c[407560,407573] [2022-10-15 21:32:18,856 WARN L230 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-multiproperty/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.c[408001,408014] [2022-10-15 21:32:18,862 WARN L230 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-multiproperty/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.c[408233,408246] [2022-10-15 21:32:18,869 WARN L230 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-multiproperty/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.c[408811,408824] [2022-10-15 21:32:18,874 WARN L230 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-multiproperty/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.c[409401,409414] [2022-10-15 21:32:18,879 WARN L230 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-multiproperty/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.c[409818,409831] [2022-10-15 21:32:18,885 WARN L230 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-multiproperty/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.c[410215,410228] [2022-10-15 21:32:18,890 WARN L230 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-multiproperty/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.c[410450,410463] [2022-10-15 21:32:18,897 WARN L230 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-multiproperty/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.c[411198,411211] [2022-10-15 21:32:18,902 WARN L230 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-multiproperty/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.c[411619,411632] [2022-10-15 21:32:18,907 WARN L230 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-multiproperty/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.c[412246,412259] [2022-10-15 21:32:18,912 WARN L230 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-multiproperty/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.c[412661,412674] [2022-10-15 21:32:18,919 WARN L230 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-multiproperty/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.c[413305,413318] [2022-10-15 21:32:18,926 WARN L230 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-multiproperty/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.c[414035,414048] [2022-10-15 21:32:18,932 WARN L230 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-multiproperty/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.c[414871,414884] [2022-10-15 21:32:18,939 WARN L230 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-multiproperty/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.c[416217,416230] [2022-10-15 21:32:18,946 WARN L230 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-multiproperty/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.c[416615,416628] [2022-10-15 21:32:18,953 WARN L230 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-multiproperty/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.c[417172,417185] [2022-10-15 21:32:18,959 WARN L230 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-multiproperty/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.c[417555,417568] [2022-10-15 21:32:18,964 WARN L230 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-multiproperty/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.c[418171,418184] [2022-10-15 21:32:18,970 WARN L230 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-multiproperty/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.c[418745,418758] [2022-10-15 21:32:18,975 WARN L230 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-multiproperty/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.c[419658,419671] [2022-10-15 21:32:18,981 WARN L230 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-multiproperty/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.c[420049,420062] [2022-10-15 21:32:18,987 WARN L230 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-multiproperty/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.c[420278,420291] [2022-10-15 21:32:18,992 WARN L230 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-multiproperty/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.c[420684,420697] [2022-10-15 21:32:18,999 WARN L230 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-multiproperty/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.c[421541,421554] [2022-10-15 21:32:19,004 WARN L230 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-multiproperty/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.c[421948,421961] [2022-10-15 21:32:19,006 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:32:19,033 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 21:32:19,581 WARN L230 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-multiproperty/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.c[405079,405092] [2022-10-15 21:32:19,585 WARN L230 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-multiproperty/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.c[405653,405666] [2022-10-15 21:32:19,587 WARN L230 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-multiproperty/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.c[406852,406865] [2022-10-15 21:32:19,588 WARN L230 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-multiproperty/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.c[407560,407573] [2022-10-15 21:32:19,588 WARN L230 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-multiproperty/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.c[408001,408014] [2022-10-15 21:32:19,589 WARN L230 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-multiproperty/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.c[408233,408246] [2022-10-15 21:32:19,589 WARN L230 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-multiproperty/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.c[408811,408824] [2022-10-15 21:32:19,590 WARN L230 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-multiproperty/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.c[409401,409414] [2022-10-15 21:32:19,591 WARN L230 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-multiproperty/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.c[409818,409831] [2022-10-15 21:32:19,591 WARN L230 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-multiproperty/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.c[410215,410228] [2022-10-15 21:32:19,592 WARN L230 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-multiproperty/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.c[410450,410463] [2022-10-15 21:32:19,593 WARN L230 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-multiproperty/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.c[411198,411211] [2022-10-15 21:32:19,594 WARN L230 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-multiproperty/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.c[411619,411632] [2022-10-15 21:32:19,594 WARN L230 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-multiproperty/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.c[412246,412259] [2022-10-15 21:32:19,595 WARN L230 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-multiproperty/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.c[412661,412674] [2022-10-15 21:32:19,596 WARN L230 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-multiproperty/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.c[413305,413318] [2022-10-15 21:32:19,599 WARN L230 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-multiproperty/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.c[414035,414048] [2022-10-15 21:32:19,600 WARN L230 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-multiproperty/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.c[414871,414884] [2022-10-15 21:32:19,601 WARN L230 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-multiproperty/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.c[416217,416230] [2022-10-15 21:32:19,602 WARN L230 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-multiproperty/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.c[416615,416628] [2022-10-15 21:32:19,603 WARN L230 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-multiproperty/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.c[417172,417185] [2022-10-15 21:32:19,604 WARN L230 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-multiproperty/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.c[417555,417568] [2022-10-15 21:32:19,604 WARN L230 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-multiproperty/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.c[418171,418184] [2022-10-15 21:32:19,605 WARN L230 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-multiproperty/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.c[418745,418758] [2022-10-15 21:32:19,606 WARN L230 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-multiproperty/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.c[419658,419671] [2022-10-15 21:32:19,607 WARN L230 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-multiproperty/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.c[420049,420062] [2022-10-15 21:32:19,607 WARN L230 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-multiproperty/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.c[420278,420291] [2022-10-15 21:32:19,608 WARN L230 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-multiproperty/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.c[420684,420697] [2022-10-15 21:32:19,609 WARN L230 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-multiproperty/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.c[421541,421554] [2022-10-15 21:32:19,609 WARN L230 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-multiproperty/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.c[421948,421961] [2022-10-15 21:32:19,616 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:32:19,974 INFO L208 MainTranslator]: Completed translation [2022-10-15 21:32:19,975 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:32:19 WrapperNode [2022-10-15 21:32:19,975 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 21:32:19,976 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 21:32:19,977 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 21:32:19,977 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 21:32:19,989 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:32:19" (1/1) ... [2022-10-15 21:32:20,143 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:32:19" (1/1) ... [2022-10-15 21:32:20,285 INFO L138 Inliner]: procedures = 641, calls = 1537, calls flagged for inlining = 245, calls inlined = 156, statements flattened = 2444 [2022-10-15 21:32:20,286 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 21:32:20,287 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 21:32:20,287 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 21:32:20,287 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 21:32:20,300 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:32:19" (1/1) ... [2022-10-15 21:32:20,300 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:32:19" (1/1) ... [2022-10-15 21:32:20,313 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:32:19" (1/1) ... [2022-10-15 21:32:20,314 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:32:19" (1/1) ... [2022-10-15 21:32:20,457 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:32:19" (1/1) ... [2022-10-15 21:32:20,488 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:32:19" (1/1) ... [2022-10-15 21:32:20,526 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:32:19" (1/1) ... [2022-10-15 21:32:20,548 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:32:19" (1/1) ... [2022-10-15 21:32:20,580 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 21:32:20,582 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 21:32:20,582 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 21:32:20,583 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 21:32:20,584 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:32:19" (1/1) ... [2022-10-15 21:32:20,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:32:20,608 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:32:20,636 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-15 21:32:20,647 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-15 21:32:20,712 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_total_size [2022-10-15 21:32:20,712 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_total_size [2022-10-15 21:32:20,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-10-15 21:32:20,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-10-15 21:32:20,714 INFO L130 BoogieDeclarations]: Found specification of procedure seq_release_net [2022-10-15 21:32:20,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-10-15 21:32:20,715 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-10-15 21:32:20,715 INFO L130 BoogieDeclarations]: Found specification of procedure netlink_register_notifier [2022-10-15 21:32:20,715 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_net_sock [2022-10-15 21:32:20,716 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_net_sock [2022-10-15 21:32:20,716 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-10-15 21:32:20,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-10-15 21:32:20,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-10-15 21:32:20,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-10-15 21:32:20,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-10-15 21:32:20,718 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_arch_io [2022-10-15 21:32:20,718 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_arch_io [2022-10-15 21:32:20,718 INFO L130 BoogieDeclarations]: Found specification of procedure __nfulnl_send [2022-10-15 21:32:20,719 INFO L138 BoogieDeclarations]: Found implementation of procedure __nfulnl_send [2022-10-15 21:32:20,719 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_bh [2022-10-15 21:32:20,719 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_bh [2022-10-15 21:32:20,719 INFO L130 BoogieDeclarations]: Found specification of procedure instance_put [2022-10-15 21:32:20,720 INFO L138 BoogieDeclarations]: Found implementation of procedure instance_put [2022-10-15 21:32:20,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-10-15 21:32:20,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-10-15 21:32:20,720 INFO L130 BoogieDeclarations]: Found specification of procedure nf_log_unregister [2022-10-15 21:32:20,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-10-15 21:32:20,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-10-15 21:32:20,720 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-15 21:32:20,721 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-15 21:32:20,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-10-15 21:32:20,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-10-15 21:32:20,722 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_entry [2022-10-15 21:32:20,722 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-10-15 21:32:20,722 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-10-15 21:32:20,722 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_bh [2022-10-15 21:32:20,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-10-15 21:32:20,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-10-15 21:32:20,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-10-15 21:32:20,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-10-15 21:32:20,724 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_alloc_irq [2022-10-15 21:32:20,724 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_alloc_irq [2022-10-15 21:32:20,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-15 21:32:20,724 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom [2022-10-15 21:32:20,725 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom [2022-10-15 21:32:20,725 INFO L130 BoogieDeclarations]: Found specification of procedure nfnetlink_subsys_register [2022-10-15 21:32:20,725 INFO L130 BoogieDeclarations]: Found specification of procedure seq_open_net [2022-10-15 21:32:20,725 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_rcu_update_lock [2022-10-15 21:32:20,725 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_rcu_update_lock [2022-10-15 21:32:20,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-10-15 21:32:20,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-10-15 21:32:20,726 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-10-15 21:32:20,726 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-10-15 21:32:20,726 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-10-15 21:32:20,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-10-15 21:32:20,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-10-15 21:32:20,727 INFO L130 BoogieDeclarations]: Found specification of procedure nfnetlink_subsys_unregister [2022-10-15 21:32:20,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-10-15 21:32:20,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-10-15 21:32:20,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-15 21:32:20,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-10-15 21:32:20,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-10-15 21:32:20,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-10-15 21:32:20,729 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_block_queue [2022-10-15 21:32:20,729 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_block_queue [2022-10-15 21:32:20,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-10-15 21:32:20,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-10-15 21:32:20,729 INFO L130 BoogieDeclarations]: Found specification of procedure nf_log_unset [2022-10-15 21:32:20,730 INFO L130 BoogieDeclarations]: Found specification of procedure seq_file_net [2022-10-15 21:32:20,730 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_file_net [2022-10-15 21:32:20,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_130 [2022-10-15 21:32:20,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_130 [2022-10-15 21:32:20,730 INFO L130 BoogieDeclarations]: Found specification of procedure nf_log_register [2022-10-15 21:32:20,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-10-15 21:32:20,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-10-15 21:32:20,731 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_put [2022-10-15 21:32:20,731 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_put [2022-10-15 21:32:20,731 INFO L130 BoogieDeclarations]: Found specification of procedure __nlmsg_put [2022-10-15 21:32:20,731 INFO L130 BoogieDeclarations]: Found specification of procedure nf_log_bind_pf [2022-10-15 21:32:20,731 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_locking_spinlock [2022-10-15 21:32:20,732 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_locking_spinlock [2022-10-15 21:32:20,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_138 [2022-10-15 21:32:20,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_138 [2022-10-15 21:32:20,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-10-15 21:32:20,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-10-15 21:32:20,732 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_block_genhd [2022-10-15 21:32:20,732 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_block_genhd [2022-10-15 21:32:20,733 INFO L130 BoogieDeclarations]: Found specification of procedure instance_lookup_get [2022-10-15 21:32:20,733 INFO L138 BoogieDeclarations]: Found implementation of procedure instance_lookup_get [2022-10-15 21:32:20,733 INFO L130 BoogieDeclarations]: Found specification of procedure proc_create_data [2022-10-15 21:32:20,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-15 21:32:20,733 INFO L130 BoogieDeclarations]: Found specification of procedure nf_log_unbind_pf [2022-10-15 21:32:20,733 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_rcu_update_lock_sched [2022-10-15 21:32:20,733 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_rcu_update_lock_sched [2022-10-15 21:32:20,733 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2022-10-15 21:32:20,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 21:32:20,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-10-15 21:32:20,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-10-15 21:32:20,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-15 21:32:20,734 INFO L130 BoogieDeclarations]: Found specification of procedure seq_show [2022-10-15 21:32:20,734 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_show [2022-10-15 21:32:20,735 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_pernet_subsys [2022-10-15 21:32:20,735 INFO L130 BoogieDeclarations]: Found specification of procedure register_pernet_subsys [2022-10-15 21:32:20,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-10-15 21:32:20,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-10-15 21:32:20,735 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2022-10-15 21:32:20,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 21:32:20,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 21:32:20,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_nfulnl_instance [2022-10-15 21:32:20,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_nfulnl_instance [2022-10-15 21:32:20,736 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-10-15 21:32:20,736 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-10-15 21:32:20,736 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-10-15 21:32:20,736 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-10-15 21:32:20,737 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_bh [2022-10-15 21:32:20,737 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2022-10-15 21:32:20,737 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_rcu_update_lock_bh [2022-10-15 21:32:20,737 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_rcu_update_lock_bh [2022-10-15 21:32:20,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-10-15 21:32:20,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-10-15 21:32:20,737 INFO L130 BoogieDeclarations]: Found specification of procedure nful_open [2022-10-15 21:32:20,738 INFO L138 BoogieDeclarations]: Found implementation of procedure nful_open [2022-10-15 21:32:20,738 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2022-10-15 21:32:20,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netlink_unregister_notifier [2022-10-15 21:32:20,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netlink_unregister_notifier [2022-10-15 21:32:20,738 INFO L130 BoogieDeclarations]: Found specification of procedure nla_get_be32 [2022-10-15 21:32:20,738 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_get_be32 [2022-10-15 21:32:20,739 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-10-15 21:32:20,739 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-10-15 21:32:20,739 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-15 21:32:20,739 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-15 21:32:20,739 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-10-15 21:32:20,739 INFO L130 BoogieDeclarations]: Found specification of procedure nfnl_log_pernet [2022-10-15 21:32:20,739 INFO L138 BoogieDeclarations]: Found implementation of procedure nfnl_log_pernet [2022-10-15 21:32:20,740 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_alloc_usb_lock [2022-10-15 21:32:20,740 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_alloc_usb_lock [2022-10-15 21:32:20,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-10-15 21:32:20,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-10-15 21:32:20,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_for_read_section [2022-10-15 21:32:20,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_for_read_section [2022-10-15 21:32:20,741 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_data [2022-10-15 21:32:20,741 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_data [2022-10-15 21:32:20,741 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_fs_sysfs [2022-10-15 21:32:20,741 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_fs_sysfs [2022-10-15 21:32:20,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-10-15 21:32:20,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-10-15 21:32:20,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-15 21:32:20,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-10-15 21:32:20,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-10-15 21:32:20,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-15 21:32:20,742 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock_bh [2022-10-15 21:32:20,742 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock_bh [2022-10-15 21:32:20,742 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_usb_coherent [2022-10-15 21:32:20,743 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_usb_coherent [2022-10-15 21:32:20,743 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2022-10-15 21:32:20,743 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_locking_rwlock [2022-10-15 21:32:20,743 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_locking_rwlock [2022-10-15 21:32:20,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-15 21:32:20,743 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-10-15 21:32:20,743 INFO L130 BoogieDeclarations]: Found specification of procedure nfnl_log_net_exit [2022-10-15 21:32:20,744 INFO L138 BoogieDeclarations]: Found implementation of procedure nfnl_log_net_exit [2022-10-15 21:32:20,744 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_drivers_base_class [2022-10-15 21:32:20,744 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_drivers_base_class [2022-10-15 21:32:20,744 INFO L130 BoogieDeclarations]: Found specification of procedure nla_data [2022-10-15 21:32:20,744 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_data [2022-10-15 21:32:20,744 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_module [2022-10-15 21:32:20,744 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_module [2022-10-15 21:32:20,745 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-10-15 21:32:20,745 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-10-15 21:32:20,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-10-15 21:32:20,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-10-15 21:32:20,745 INFO L130 BoogieDeclarations]: Found specification of procedure __instance_lookup [2022-10-15 21:32:20,745 INFO L138 BoogieDeclarations]: Found implementation of procedure __instance_lookup [2022-10-15 21:32:20,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-10-15 21:32:20,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-10-15 21:32:20,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-10-15 21:32:20,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-10-15 21:32:20,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-10-15 21:32:20,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-10-15 21:32:20,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-10-15 21:32:20,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-10-15 21:32:20,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_132 [2022-10-15 21:32:20,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_132 [2022-10-15 21:32:20,747 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_fs_char_dev [2022-10-15 21:32:20,747 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_fs_char_dev [2022-10-15 21:32:20,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_139 [2022-10-15 21:32:20,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_139 [2022-10-15 21:32:20,747 INFO L130 BoogieDeclarations]: Found specification of procedure netlink_unregister_notifier [2022-10-15 21:32:20,747 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_usb_gadget [2022-10-15 21:32:20,748 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_usb_gadget [2022-10-15 21:32:20,748 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2022-10-15 21:32:20,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-10-15 21:32:20,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-10-15 21:32:20,748 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-15 21:32:20,748 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_net_rtnetlink [2022-10-15 21:32:20,749 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_net_rtnetlink [2022-10-15 21:32:20,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-15 21:32:20,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-10-15 21:32:20,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-10-15 21:32:20,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-15 21:32:20,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-15 21:32:20,749 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_block_request [2022-10-15 21:32:20,750 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_block_request [2022-10-15 21:32:20,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-10-15 21:32:20,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-10-15 21:32:20,750 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-10-15 21:32:20,750 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-10-15 21:32:20,750 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_lib_idr [2022-10-15 21:32:20,750 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_lib_idr [2022-10-15 21:32:20,751 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-10-15 21:32:20,751 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_usb_urb [2022-10-15 21:32:20,751 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_usb_urb [2022-10-15 21:32:20,751 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_bh_held [2022-10-15 21:32:20,751 INFO L130 BoogieDeclarations]: Found specification of procedure __instance_destroy [2022-10-15 21:32:20,751 INFO L138 BoogieDeclarations]: Found implementation of procedure __instance_destroy [2022-10-15 21:32:20,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-10-15 21:32:20,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-10-15 21:32:20,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_nfulnl_instance [2022-10-15 21:32:20,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_nfulnl_instance [2022-10-15 21:32:20,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-10-15 21:32:20,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-10-15 21:32:20,752 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-10-15 21:32:20,753 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_mmc_sdio_func [2022-10-15 21:32:20,753 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_mmc_sdio_func [2022-10-15 21:32:20,753 INFO L130 BoogieDeclarations]: Found specification of procedure nfnetlink_unicast [2022-10-15 21:32:20,753 INFO L130 BoogieDeclarations]: Found specification of procedure instance_hashfn [2022-10-15 21:32:20,753 INFO L138 BoogieDeclarations]: Found implementation of procedure instance_hashfn [2022-10-15 21:32:20,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 21:32:20,753 INFO L130 BoogieDeclarations]: Found specification of procedure __nfulnl_flush [2022-10-15 21:32:20,754 INFO L138 BoogieDeclarations]: Found implementation of procedure __nfulnl_flush [2022-10-15 21:32:20,754 INFO L130 BoogieDeclarations]: Found specification of procedure get_next [2022-10-15 21:32:20,754 INFO L138 BoogieDeclarations]: Found implementation of procedure get_next [2022-10-15 21:32:20,754 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_rcu_srcu [2022-10-15 21:32:20,754 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_rcu_srcu [2022-10-15 21:32:21,535 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 21:32:21,549 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 21:32:23,433 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 21:32:23,455 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 21:32:23,455 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-15 21:32:23,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:32:23 BoogieIcfgContainer [2022-10-15 21:32:23,461 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 21:32:23,465 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 21:32:23,465 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 21:32:23,469 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 21:32:23,469 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 09:32:13" (1/3) ... [2022-10-15 21:32:23,470 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@960615b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:32:23, skipping insertion in model container [2022-10-15 21:32:23,470 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:32:19" (2/3) ... [2022-10-15 21:32:23,471 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@960615b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:32:23, skipping insertion in model container [2022-10-15 21:32:23,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:32:23" (3/3) ... [2022-10-15 21:32:23,473 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.c [2022-10-15 21:32:23,499 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 21:32:23,499 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2022-10-15 21:32:23,644 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 21:32:23,653 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@63406333, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 21:32:23,654 INFO L358 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2022-10-15 21:32:23,665 INFO L276 IsEmpty]: Start isEmpty. Operand has 1092 states, 710 states have (on average 1.2577464788732395) internal successors, (893), 791 states have internal predecessors, (893), 257 states have call successors, (257), 94 states have call predecessors, (257), 94 states have return successors, (257), 251 states have call predecessors, (257), 257 states have call successors, (257) [2022-10-15 21:32:23,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-15 21:32:23,680 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:32:23,681 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:32:23,682 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting nfnl_log_pernetErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [nlmsg_total_sizeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, nlmsg_total_sizeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, rcu_read_lock_bhErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-10-15 21:32:23,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:32:23,690 INFO L85 PathProgramCache]: Analyzing trace with hash 739750496, now seen corresponding path program 1 times [2022-10-15 21:32:23,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:32:23,702 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666374036] [2022-10-15 21:32:23,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:32:23,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:32:23,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:24,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:32:24,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:24,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-15 21:32:24,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:24,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-15 21:32:24,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:24,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-15 21:32:24,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:24,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:32:24,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:24,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:32:24,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:24,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-15 21:32:24,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:24,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-15 21:32:24,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:24,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-10-15 21:32:24,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:24,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:32:24,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:24,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:32:24,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:24,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-15 21:32:24,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:24,582 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2022-10-15 21:32:24,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:32:24,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666374036] [2022-10-15 21:32:24,584 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666374036] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:32:24,584 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:32:24,585 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:32:24,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209287691] [2022-10-15 21:32:24,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:32:24,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:32:24,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:32:24,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:32:24,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:32:24,657 INFO L87 Difference]: Start difference. First operand has 1092 states, 710 states have (on average 1.2577464788732395) internal successors, (893), 791 states have internal predecessors, (893), 257 states have call successors, (257), 94 states have call predecessors, (257), 94 states have return successors, (257), 251 states have call predecessors, (257), 257 states have call successors, (257) Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) [2022-10-15 21:32:25,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:32:25,782 INFO L93 Difference]: Finished difference Result 2131 states and 2919 transitions. [2022-10-15 21:32:25,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:32:25,786 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) Word has length 73 [2022-10-15 21:32:25,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:32:25,809 INFO L225 Difference]: With dead ends: 2131 [2022-10-15 21:32:25,809 INFO L226 Difference]: Without dead ends: 816 [2022-10-15 21:32:25,824 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:32:25,829 INFO L413 NwaCegarLoop]: 1265 mSDtfsCounter, 407 mSDsluCounter, 450 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 257 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 454 SdHoareTripleChecker+Valid, 1715 SdHoareTripleChecker+Invalid, 463 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 257 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-15 21:32:25,830 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [454 Valid, 1715 Invalid, 463 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [257 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-15 21:32:25,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 816 states. [2022-10-15 21:32:25,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 816 to 813. [2022-10-15 21:32:25,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 813 states, 552 states have (on average 1.2518115942028984) internal successors, (691), 599 states have internal predecessors, (691), 182 states have call successors, (182), 51 states have call predecessors, (182), 51 states have return successors, (181), 176 states have call predecessors, (181), 181 states have call successors, (181) [2022-10-15 21:32:25,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 813 states to 813 states and 1054 transitions. [2022-10-15 21:32:25,980 INFO L78 Accepts]: Start accepts. Automaton has 813 states and 1054 transitions. Word has length 73 [2022-10-15 21:32:25,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:32:25,981 INFO L495 AbstractCegarLoop]: Abstraction has 813 states and 1054 transitions. [2022-10-15 21:32:25,981 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) [2022-10-15 21:32:25,981 INFO L276 IsEmpty]: Start isEmpty. Operand 813 states and 1054 transitions. [2022-10-15 21:32:25,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-15 21:32:25,985 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:32:25,986 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:32:25,986 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 21:32:25,987 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting nfnl_log_pernetErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [nlmsg_total_sizeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, nlmsg_total_sizeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, rcu_read_lock_bhErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-10-15 21:32:25,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:32:25,988 INFO L85 PathProgramCache]: Analyzing trace with hash -13073640, now seen corresponding path program 1 times [2022-10-15 21:32:25,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:32:25,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374278674] [2022-10-15 21:32:25,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:32:25,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:32:26,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:26,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:32:26,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:26,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-15 21:32:26,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:26,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-15 21:32:26,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:26,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-15 21:32:26,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:26,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:32:26,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:26,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:32:26,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:26,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-15 21:32:26,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:26,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-15 21:32:26,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:26,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-10-15 21:32:26,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:26,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:32:26,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:26,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:32:26,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:26,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-15 21:32:26,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:26,656 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2022-10-15 21:32:26,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:32:26,657 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374278674] [2022-10-15 21:32:26,658 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [374278674] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:32:26,658 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:32:26,658 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:32:26,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179571156] [2022-10-15 21:32:26,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:32:26,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:32:26,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:32:26,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:32:26,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:32:26,661 INFO L87 Difference]: Start difference. First operand 813 states and 1054 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-10-15 21:32:28,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:32:28,283 INFO L93 Difference]: Finished difference Result 1240 states and 1592 transitions. [2022-10-15 21:32:28,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:32:28,284 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 73 [2022-10-15 21:32:28,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:32:28,301 INFO L225 Difference]: With dead ends: 1240 [2022-10-15 21:32:28,301 INFO L226 Difference]: Without dead ends: 1213 [2022-10-15 21:32:28,303 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:32:28,306 INFO L413 NwaCegarLoop]: 1183 mSDtfsCounter, 803 mSDsluCounter, 999 mSDsCounter, 0 mSdLazyCounter, 724 mSolverCounterSat, 339 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 893 SdHoareTripleChecker+Valid, 2182 SdHoareTripleChecker+Invalid, 1063 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 339 IncrementalHoareTripleChecker+Valid, 724 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-10-15 21:32:28,307 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [893 Valid, 2182 Invalid, 1063 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [339 Valid, 724 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-10-15 21:32:28,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1213 states. [2022-10-15 21:32:28,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1213 to 1198. [2022-10-15 21:32:28,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1198 states, 803 states have (on average 1.2353673723536738) internal successors, (992), 864 states have internal predecessors, (992), 284 states have call successors, (284), 86 states have call predecessors, (284), 83 states have return successors, (283), 268 states have call predecessors, (283), 281 states have call successors, (283) [2022-10-15 21:32:28,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1198 states to 1198 states and 1559 transitions. [2022-10-15 21:32:28,443 INFO L78 Accepts]: Start accepts. Automaton has 1198 states and 1559 transitions. Word has length 73 [2022-10-15 21:32:28,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:32:28,444 INFO L495 AbstractCegarLoop]: Abstraction has 1198 states and 1559 transitions. [2022-10-15 21:32:28,445 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-10-15 21:32:28,445 INFO L276 IsEmpty]: Start isEmpty. Operand 1198 states and 1559 transitions. [2022-10-15 21:32:28,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-15 21:32:28,457 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:32:28,458 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:32:28,458 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 21:32:28,458 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting nfnl_log_pernetErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [nlmsg_total_sizeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, nlmsg_total_sizeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, rcu_read_lock_bhErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-10-15 21:32:28,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:32:28,459 INFO L85 PathProgramCache]: Analyzing trace with hash -1520565940, now seen corresponding path program 1 times [2022-10-15 21:32:28,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:32:28,459 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661110372] [2022-10-15 21:32:28,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:32:28,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:32:28,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:29,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:32:29,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:29,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-15 21:32:29,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:29,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-15 21:32:29,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:29,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-15 21:32:29,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:29,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:32:29,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:29,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:32:29,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:29,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-15 21:32:29,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:29,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-15 21:32:29,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:29,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-10-15 21:32:29,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:29,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:32:29,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:29,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:32:29,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:29,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-15 21:32:29,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:29,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-10-15 21:32:29,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:30,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-10-15 21:32:30,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:30,046 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2022-10-15 21:32:30,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:32:30,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661110372] [2022-10-15 21:32:30,047 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [661110372] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 21:32:30,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [976720601] [2022-10-15 21:32:30,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:32:30,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:32:30,048 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:32:30,051 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 21:32:30,079 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-15 21:32:30,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:30,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 1124 conjuncts, 28 conjunts are in the unsatisfiable core [2022-10-15 21:32:30,511 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:32:31,019 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-10-15 21:32:31,020 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-10-15 21:32:31,076 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-10-15 21:32:31,229 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-10-15 21:32:31,253 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-10-15 21:32:31,253 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-15 21:32:31,378 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_53 (Array Int Int))) (<= (select (select (store |c_#memory_int| |c_ULTIMATE.start_ldv_dispatch_register_10_2_#t~ret535#1.base| v_ArrVal_53) |c_~#nfnl_log_net_id~0.base|) |c_~#nfnl_log_net_id~0.offset|) 2147483648)) is different from false [2022-10-15 21:32:31,467 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [976720601] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 21:32:31,467 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-10-15 21:32:31,467 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8] total 17 [2022-10-15 21:32:31,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803184784] [2022-10-15 21:32:31,468 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-10-15 21:32:31,469 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-10-15 21:32:31,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:32:31,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-10-15 21:32:31,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=315, Unknown=1, NotChecked=36, Total=420 [2022-10-15 21:32:31,470 INFO L87 Difference]: Start difference. First operand 1198 states and 1559 transitions. Second operand has 17 states, 17 states have (on average 4.352941176470588) internal successors, (74), 12 states have internal predecessors, (74), 8 states have call successors, (29), 6 states have call predecessors, (29), 6 states have return successors, (28), 11 states have call predecessors, (28), 8 states have call successors, (28) [2022-10-15 21:32:39,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:32:39,176 INFO L93 Difference]: Finished difference Result 2410 states and 3127 transitions. [2022-10-15 21:32:39,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-10-15 21:32:39,179 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 4.352941176470588) internal successors, (74), 12 states have internal predecessors, (74), 8 states have call successors, (29), 6 states have call predecessors, (29), 6 states have return successors, (28), 11 states have call predecessors, (28), 8 states have call successors, (28) Word has length 91 [2022-10-15 21:32:39,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:32:39,196 INFO L225 Difference]: With dead ends: 2410 [2022-10-15 21:32:39,196 INFO L226 Difference]: Without dead ends: 1560 [2022-10-15 21:32:39,204 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=241, Invalid=1022, Unknown=1, NotChecked=68, Total=1332 [2022-10-15 21:32:39,209 INFO L413 NwaCegarLoop]: 1022 mSDtfsCounter, 1055 mSDsluCounter, 5442 mSDsCounter, 0 mSdLazyCounter, 7213 mSolverCounterSat, 530 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1185 SdHoareTripleChecker+Valid, 6464 SdHoareTripleChecker+Invalid, 7743 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 530 IncrementalHoareTripleChecker+Valid, 7213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2022-10-15 21:32:39,211 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1185 Valid, 6464 Invalid, 7743 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [530 Valid, 7213 Invalid, 0 Unknown, 0 Unchecked, 6.9s Time] [2022-10-15 21:32:39,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1560 states. [2022-10-15 21:32:39,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1560 to 1461. [2022-10-15 21:32:39,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1461 states, 965 states have (on average 1.2248704663212435) internal successors, (1182), 1040 states have internal predecessors, (1182), 367 states have call successors, (367), 106 states have call predecessors, (367), 103 states have return successors, (368), 340 states have call predecessors, (368), 364 states have call successors, (368) [2022-10-15 21:32:39,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1461 states to 1461 states and 1917 transitions. [2022-10-15 21:32:39,395 INFO L78 Accepts]: Start accepts. Automaton has 1461 states and 1917 transitions. Word has length 91 [2022-10-15 21:32:39,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:32:39,398 INFO L495 AbstractCegarLoop]: Abstraction has 1461 states and 1917 transitions. [2022-10-15 21:32:39,399 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 4.352941176470588) internal successors, (74), 12 states have internal predecessors, (74), 8 states have call successors, (29), 6 states have call predecessors, (29), 6 states have return successors, (28), 11 states have call predecessors, (28), 8 states have call successors, (28) [2022-10-15 21:32:39,399 INFO L276 IsEmpty]: Start isEmpty. Operand 1461 states and 1917 transitions. [2022-10-15 21:32:39,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-10-15 21:32:39,408 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:32:39,408 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:32:39,456 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-10-15 21:32:39,622 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:32:39,623 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting rcu_read_lock_bhErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [nlmsg_total_sizeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, nlmsg_total_sizeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, rcu_read_lock_bhErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-10-15 21:32:39,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:32:39,624 INFO L85 PathProgramCache]: Analyzing trace with hash -1292599432, now seen corresponding path program 1 times [2022-10-15 21:32:39,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:32:39,625 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169152435] [2022-10-15 21:32:39,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:32:39,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:32:39,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:39,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:32:40,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:40,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-15 21:32:40,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:40,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-15 21:32:40,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:40,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-10-15 21:32:40,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:40,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-15 21:32:40,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:40,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-15 21:32:40,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:40,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:32:40,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:40,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-15 21:32:40,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:40,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-15 21:32:40,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:40,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-10-15 21:32:40,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:40,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-15 21:32:40,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:40,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:32:40,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:40,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:32:40,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:40,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-15 21:32:40,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:40,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-10-15 21:32:40,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:40,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-10-15 21:32:40,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:40,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-10-15 21:32:40,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:40,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-10-15 21:32:40,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:40,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:32:40,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:40,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:32:40,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:40,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-15 21:32:40,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:40,277 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2022-10-15 21:32:40,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:32:40,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169152435] [2022-10-15 21:32:40,278 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169152435] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:32:40,278 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:32:40,279 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 21:32:40,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054820872] [2022-10-15 21:32:40,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:32:40,280 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 21:32:40,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:32:40,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 21:32:40,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-15 21:32:40,281 INFO L87 Difference]: Start difference. First operand 1461 states and 1917 transitions. Second operand has 6 states, 5 states have (on average 9.6) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-10-15 21:32:42,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:32:42,713 INFO L93 Difference]: Finished difference Result 2347 states and 3065 transitions. [2022-10-15 21:32:42,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-15 21:32:42,714 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 129 [2022-10-15 21:32:42,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:32:42,737 INFO L225 Difference]: With dead ends: 2347 [2022-10-15 21:32:42,738 INFO L226 Difference]: Without dead ends: 2318 [2022-10-15 21:32:42,743 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-15 21:32:42,753 INFO L413 NwaCegarLoop]: 1146 mSDtfsCounter, 1589 mSDsluCounter, 1562 mSDsCounter, 0 mSdLazyCounter, 1202 mSolverCounterSat, 1084 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1651 SdHoareTripleChecker+Valid, 2708 SdHoareTripleChecker+Invalid, 2286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1084 IncrementalHoareTripleChecker+Valid, 1202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:32:42,755 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1651 Valid, 2708 Invalid, 2286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1084 Valid, 1202 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-10-15 21:32:42,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2318 states. [2022-10-15 21:32:42,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2318 to 2289. [2022-10-15 21:32:42,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2289 states, 1497 states have (on average 1.2104208416833668) internal successors, (1812), 1607 states have internal predecessors, (1812), 596 states have call successors, (596), 181 states have call predecessors, (596), 170 states have return successors, (598), 543 states have call predecessors, (598), 593 states have call successors, (598) [2022-10-15 21:32:42,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2289 states to 2289 states and 3006 transitions. [2022-10-15 21:32:42,979 INFO L78 Accepts]: Start accepts. Automaton has 2289 states and 3006 transitions. Word has length 129 [2022-10-15 21:32:42,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:32:42,983 INFO L495 AbstractCegarLoop]: Abstraction has 2289 states and 3006 transitions. [2022-10-15 21:32:42,983 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-10-15 21:32:42,984 INFO L276 IsEmpty]: Start isEmpty. Operand 2289 states and 3006 transitions. [2022-10-15 21:32:42,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2022-10-15 21:32:42,990 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:32:42,990 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:32:42,991 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 21:32:42,991 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [nlmsg_total_sizeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, nlmsg_total_sizeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, rcu_read_lock_bhErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-10-15 21:32:42,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:32:42,992 INFO L85 PathProgramCache]: Analyzing trace with hash -507284980, now seen corresponding path program 1 times [2022-10-15 21:32:42,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:32:42,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999409015] [2022-10-15 21:32:42,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:32:42,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:32:43,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:43,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:32:43,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:43,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-15 21:32:43,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:43,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-15 21:32:43,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:43,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-10-15 21:32:43,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:43,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-15 21:32:43,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:43,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-15 21:32:43,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:43,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:32:43,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:43,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-15 21:32:43,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:43,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-15 21:32:43,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:43,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-10-15 21:32:43,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:43,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-15 21:32:43,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:43,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:32:43,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:43,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:32:43,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:43,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-15 21:32:43,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:43,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-10-15 21:32:43,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:43,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-10-15 21:32:43,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:43,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-10-15 21:32:43,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:43,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-10-15 21:32:43,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:43,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:32:43,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:43,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:32:43,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:43,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-15 21:32:43,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:43,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-10-15 21:32:43,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:43,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:32:43,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:43,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:32:43,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:43,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-15 21:32:43,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:43,732 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 18 proven. 12 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2022-10-15 21:32:43,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:32:43,733 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999409015] [2022-10-15 21:32:43,733 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1999409015] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 21:32:43,733 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [670220297] [2022-10-15 21:32:43,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:32:43,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:32:43,734 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:32:43,736 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 21:32:43,759 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-15 21:32:44,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:44,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 1253 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-15 21:32:44,192 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:32:44,226 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 164 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2022-10-15 21:32:44,226 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 21:32:44,226 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [670220297] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:32:44,226 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-15 21:32:44,227 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 9 [2022-10-15 21:32:44,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731561296] [2022-10-15 21:32:44,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:32:44,228 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:32:44,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:32:44,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:32:44,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-10-15 21:32:44,229 INFO L87 Difference]: Start difference. First operand 2289 states and 3006 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-10-15 21:32:44,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:32:44,535 INFO L93 Difference]: Finished difference Result 3875 states and 5083 transitions. [2022-10-15 21:32:44,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:32:44,536 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), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 150 [2022-10-15 21:32:44,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:32:44,551 INFO L225 Difference]: With dead ends: 3875 [2022-10-15 21:32:44,551 INFO L226 Difference]: Without dead ends: 1682 [2022-10-15 21:32:44,562 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-10-15 21:32:44,564 INFO L413 NwaCegarLoop]: 991 mSDtfsCounter, 290 mSDsluCounter, 2550 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 378 SdHoareTripleChecker+Valid, 3541 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:32:44,564 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [378 Valid, 3541 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 21:32:44,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1682 states. [2022-10-15 21:32:44,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1682 to 1679. [2022-10-15 21:32:44,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1679 states, 1112 states have (on average 1.2005395683453237) internal successors, (1335), 1180 states have internal predecessors, (1335), 415 states have call successors, (415), 130 states have call predecessors, (415), 126 states have return successors, (416), 391 states have call predecessors, (416), 412 states have call successors, (416) [2022-10-15 21:32:44,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1679 states to 1679 states and 2166 transitions. [2022-10-15 21:32:44,726 INFO L78 Accepts]: Start accepts. Automaton has 1679 states and 2166 transitions. Word has length 150 [2022-10-15 21:32:44,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:32:44,726 INFO L495 AbstractCegarLoop]: Abstraction has 1679 states and 2166 transitions. [2022-10-15 21:32:44,727 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-10-15 21:32:44,727 INFO L276 IsEmpty]: Start isEmpty. Operand 1679 states and 2166 transitions. [2022-10-15 21:32:44,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2022-10-15 21:32:44,730 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:32:44,730 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:32:44,775 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-10-15 21:32:44,943 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:32:44,944 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [nlmsg_total_sizeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, nlmsg_total_sizeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, rcu_read_lock_bhErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-10-15 21:32:44,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:32:44,945 INFO L85 PathProgramCache]: Analyzing trace with hash -837930148, now seen corresponding path program 1 times [2022-10-15 21:32:44,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:32:44,945 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660720267] [2022-10-15 21:32:44,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:32:44,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:32:45,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:45,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:32:45,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:45,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-15 21:32:45,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:45,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-15 21:32:45,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:45,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-10-15 21:32:45,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:45,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-15 21:32:45,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:45,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-15 21:32:45,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:45,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:32:45,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:45,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-15 21:32:45,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:45,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-15 21:32:45,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:45,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-10-15 21:32:45,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:45,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-15 21:32:45,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:45,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:32:45,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:45,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:32:45,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:45,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-15 21:32:45,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:45,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-10-15 21:32:45,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:45,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-10-15 21:32:45,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:45,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-10-15 21:32:45,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:45,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-10-15 21:32:45,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:45,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:32:45,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:45,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:32:45,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:45,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-15 21:32:45,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:45,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-10-15 21:32:45,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:45,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-10-15 21:32:45,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:45,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-10-15 21:32:45,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:45,799 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2022-10-15 21:32:45,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:32:45,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660720267] [2022-10-15 21:32:45,800 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660720267] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:32:45,800 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:32:45,800 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-10-15 21:32:45,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574232804] [2022-10-15 21:32:45,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:32:45,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-15 21:32:45,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:32:45,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-15 21:32:45,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-15 21:32:45,803 INFO L87 Difference]: Start difference. First operand 1679 states and 2166 transitions. Second operand has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-10-15 21:32:49,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:32:49,953 INFO L93 Difference]: Finished difference Result 3283 states and 4300 transitions. [2022-10-15 21:32:49,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-15 21:32:49,954 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 152 [2022-10-15 21:32:49,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:32:49,971 INFO L225 Difference]: With dead ends: 3283 [2022-10-15 21:32:49,972 INFO L226 Difference]: Without dead ends: 2016 [2022-10-15 21:32:49,978 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=69, Invalid=203, Unknown=0, NotChecked=0, Total=272 [2022-10-15 21:32:49,981 INFO L413 NwaCegarLoop]: 1129 mSDtfsCounter, 1984 mSDsluCounter, 3072 mSDsCounter, 0 mSdLazyCounter, 2522 mSolverCounterSat, 1676 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1984 SdHoareTripleChecker+Valid, 4201 SdHoareTripleChecker+Invalid, 4198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1676 IncrementalHoareTripleChecker+Valid, 2522 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-10-15 21:32:49,981 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1984 Valid, 4201 Invalid, 4198 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1676 Valid, 2522 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-10-15 21:32:49,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2016 states. [2022-10-15 21:32:50,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2016 to 1665. [2022-10-15 21:32:50,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1665 states, 1100 states have (on average 1.1918181818181819) internal successors, (1311), 1169 states have internal predecessors, (1311), 413 states have call successors, (413), 129 states have call predecessors, (413), 126 states have return successors, (413), 389 states have call predecessors, (413), 410 states have call successors, (413) [2022-10-15 21:32:50,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1665 states to 1665 states and 2137 transitions. [2022-10-15 21:32:50,175 INFO L78 Accepts]: Start accepts. Automaton has 1665 states and 2137 transitions. Word has length 152 [2022-10-15 21:32:50,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:32:50,177 INFO L495 AbstractCegarLoop]: Abstraction has 1665 states and 2137 transitions. [2022-10-15 21:32:50,178 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-10-15 21:32:50,178 INFO L276 IsEmpty]: Start isEmpty. Operand 1665 states and 2137 transitions. [2022-10-15 21:32:50,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2022-10-15 21:32:50,184 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:32:50,184 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:32:50,185 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 21:32:50,185 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting rcu_read_lock_bhErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [nlmsg_total_sizeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, nlmsg_total_sizeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, rcu_read_lock_bhErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-10-15 21:32:50,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:32:50,186 INFO L85 PathProgramCache]: Analyzing trace with hash -652383418, now seen corresponding path program 1 times [2022-10-15 21:32:50,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:32:50,186 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643519427] [2022-10-15 21:32:50,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:32:50,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:32:50,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:50,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:32:50,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:50,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-15 21:32:50,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:50,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-15 21:32:50,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:50,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-10-15 21:32:50,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:50,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-15 21:32:50,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:50,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-15 21:32:50,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:50,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:32:50,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:50,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-15 21:32:50,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:50,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-15 21:32:50,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:50,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-10-15 21:32:50,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:50,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-15 21:32:50,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:50,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:32:50,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:50,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:32:50,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:51,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-15 21:32:51,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:51,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-10-15 21:32:51,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:51,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-10-15 21:32:51,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:51,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-10-15 21:32:51,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:51,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-10-15 21:32:51,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:51,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:32:51,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:51,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:32:51,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:51,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-15 21:32:51,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:51,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-10-15 21:32:51,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:51,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-10-15 21:32:51,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:51,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-10-15 21:32:51,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:51,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-10-15 21:32:51,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:51,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-10-15 21:32:51,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:51,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-10-15 21:32:51,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:51,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-10-15 21:32:51,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:51,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:32:51,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:51,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:32:51,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:51,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-15 21:32:51,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:51,304 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2022-10-15 21:32:51,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:32:51,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643519427] [2022-10-15 21:32:51,305 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643519427] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 21:32:51,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1491264725] [2022-10-15 21:32:51,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:32:51,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:32:51,305 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:32:51,307 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 21:32:51,331 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-10-15 21:32:51,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:51,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-15 21:32:51,779 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:32:52,079 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2022-10-15 21:32:52,079 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-15 21:32:52,400 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2022-10-15 21:32:52,401 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1491264725] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-15 21:32:52,401 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-15 21:32:52,401 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 4, 5] total 15 [2022-10-15 21:32:52,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756766507] [2022-10-15 21:32:52,402 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-15 21:32:52,403 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-10-15 21:32:52,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:32:52,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-10-15 21:32:52,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=182, Unknown=0, NotChecked=0, Total=240 [2022-10-15 21:32:52,405 INFO L87 Difference]: Start difference. First operand 1665 states and 2137 transitions. Second operand has 16 states, 15 states have (on average 12.666666666666666) internal successors, (190), 12 states have internal predecessors, (190), 6 states have call successors, (76), 11 states have call predecessors, (76), 5 states have return successors, (74), 6 states have call predecessors, (74), 6 states have call successors, (74)