/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---drivers--video--fbdev--udlfb.ko.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 14:01:13,721 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 14:01:13,725 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 14:01:13,787 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 14:01:13,787 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 14:01:13,792 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 14:01:13,797 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 14:01:13,825 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 14:01:13,828 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 14:01:13,834 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 14:01:13,836 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 14:01:13,839 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 14:01:13,839 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 14:01:13,842 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 14:01:13,844 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 14:01:13,850 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 14:01:13,852 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 14:01:13,854 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 14:01:13,858 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 14:01:13,868 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 14:01:13,869 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 14:01:13,872 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 14:01:13,874 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 14:01:13,877 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 14:01:13,887 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 14:01:13,887 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 14:01:13,888 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 14:01:13,890 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 14:01:13,891 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 14:01:13,892 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 14:01:13,893 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 14:01:13,894 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 14:01:13,896 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 14:01:13,897 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 14:01:13,898 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 14:01:13,899 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 14:01:13,900 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 14:01:13,900 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 14:01:13,900 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 14:01:13,902 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 14:01:13,903 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 14:01:13,904 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 [2022-10-16 14:01:13,963 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 14:01:13,964 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 14:01:13,965 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 14:01:13,965 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 14:01:13,966 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 14:01:13,967 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 14:01:13,969 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 14:01:13,970 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 14:01:13,970 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 14:01:13,971 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 14:01:13,972 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 14:01:13,972 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 14:01:13,972 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 14:01:13,972 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 14:01:13,973 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 14:01:13,973 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 14:01:13,973 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 14:01:13,973 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 14:01:13,973 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 14:01:13,974 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 14:01:13,974 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 14:01:13,974 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 14:01:13,974 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 14:01:13,975 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 14:01:13,975 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 14:01:13,975 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 14:01:13,975 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 14:01:13,976 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 14:01:13,976 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 14:01:13,976 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 14:01:13,976 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 14:01:13,976 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 14:01:13,977 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 14:01:13,977 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 14:01:14,377 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 14:01:14,417 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 14:01:14,421 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 14:01:14,422 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 14:01:14,424 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 14:01:14,425 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.c [2022-10-16 14:01:14,509 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce082ddc4/41d2f7bd5a7a4a57a852ba2251291bf6/FLAGd9b499ee8 [2022-10-16 14:01:15,762 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 14:01:15,762 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.c [2022-10-16 14:01:15,832 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce082ddc4/41d2f7bd5a7a4a57a852ba2251291bf6/FLAGd9b499ee8 [2022-10-16 14:01:16,104 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce082ddc4/41d2f7bd5a7a4a57a852ba2251291bf6 [2022-10-16 14:01:16,108 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 14:01:16,114 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 14:01:16,123 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 14:01:16,123 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 14:01:16,131 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 14:01:16,132 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:01:16" (1/1) ... [2022-10-16 14:01:16,133 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73350ffc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:01:16, skipping insertion in model container [2022-10-16 14:01:16,133 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:01:16" (1/1) ... [2022-10-16 14:01:16,143 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 14:01:16,402 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 14:01:20,733 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---drivers--video--fbdev--udlfb.ko.cil.c[379221,379234] [2022-10-16 14:01:20,738 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---drivers--video--fbdev--udlfb.ko.cil.c[379795,379808] [2022-10-16 14:01:20,744 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---drivers--video--fbdev--udlfb.ko.cil.c[380994,381007] [2022-10-16 14:01:20,749 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---drivers--video--fbdev--udlfb.ko.cil.c[381702,381715] [2022-10-16 14:01:20,754 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---drivers--video--fbdev--udlfb.ko.cil.c[382143,382156] [2022-10-16 14:01:20,759 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---drivers--video--fbdev--udlfb.ko.cil.c[382375,382388] [2022-10-16 14:01:20,765 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---drivers--video--fbdev--udlfb.ko.cil.c[382953,382966] [2022-10-16 14:01:20,770 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---drivers--video--fbdev--udlfb.ko.cil.c[383543,383556] [2022-10-16 14:01:20,775 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---drivers--video--fbdev--udlfb.ko.cil.c[383960,383973] [2022-10-16 14:01:20,781 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---drivers--video--fbdev--udlfb.ko.cil.c[384357,384370] [2022-10-16 14:01:20,786 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---drivers--video--fbdev--udlfb.ko.cil.c[384592,384605] [2022-10-16 14:01:20,791 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---drivers--video--fbdev--udlfb.ko.cil.c[385340,385353] [2022-10-16 14:01:20,796 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---drivers--video--fbdev--udlfb.ko.cil.c[385761,385774] [2022-10-16 14:01:20,802 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---drivers--video--fbdev--udlfb.ko.cil.c[386388,386401] [2022-10-16 14:01:20,807 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---drivers--video--fbdev--udlfb.ko.cil.c[386803,386816] [2022-10-16 14:01:20,813 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---drivers--video--fbdev--udlfb.ko.cil.c[387447,387460] [2022-10-16 14:01:20,819 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---drivers--video--fbdev--udlfb.ko.cil.c[388177,388190] [2022-10-16 14:01:20,824 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---drivers--video--fbdev--udlfb.ko.cil.c[389013,389026] [2022-10-16 14:01:20,830 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---drivers--video--fbdev--udlfb.ko.cil.c[390359,390372] [2022-10-16 14:01:20,836 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---drivers--video--fbdev--udlfb.ko.cil.c[390757,390770] [2022-10-16 14:01:20,841 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---drivers--video--fbdev--udlfb.ko.cil.c[391314,391327] [2022-10-16 14:01:20,847 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---drivers--video--fbdev--udlfb.ko.cil.c[391697,391710] [2022-10-16 14:01:20,852 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---drivers--video--fbdev--udlfb.ko.cil.c[392313,392326] [2022-10-16 14:01:20,858 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---drivers--video--fbdev--udlfb.ko.cil.c[392887,392900] [2022-10-16 14:01:20,864 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---drivers--video--fbdev--udlfb.ko.cil.c[393800,393813] [2022-10-16 14:01:20,870 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---drivers--video--fbdev--udlfb.ko.cil.c[394191,394204] [2022-10-16 14:01:20,876 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---drivers--video--fbdev--udlfb.ko.cil.c[394420,394433] [2022-10-16 14:01:20,881 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---drivers--video--fbdev--udlfb.ko.cil.c[394826,394839] [2022-10-16 14:01:20,886 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---drivers--video--fbdev--udlfb.ko.cil.c[395683,395696] [2022-10-16 14:01:20,892 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---drivers--video--fbdev--udlfb.ko.cil.c[396090,396103] [2022-10-16 14:01:20,894 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 14:01:20,929 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 14:01:21,438 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---drivers--video--fbdev--udlfb.ko.cil.c[379221,379234] [2022-10-16 14:01:21,439 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---drivers--video--fbdev--udlfb.ko.cil.c[379795,379808] [2022-10-16 14:01:21,441 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---drivers--video--fbdev--udlfb.ko.cil.c[380994,381007] [2022-10-16 14:01:21,444 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---drivers--video--fbdev--udlfb.ko.cil.c[381702,381715] [2022-10-16 14:01:21,444 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---drivers--video--fbdev--udlfb.ko.cil.c[382143,382156] [2022-10-16 14:01:21,445 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---drivers--video--fbdev--udlfb.ko.cil.c[382375,382388] [2022-10-16 14:01:21,445 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---drivers--video--fbdev--udlfb.ko.cil.c[382953,382966] [2022-10-16 14:01:21,446 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---drivers--video--fbdev--udlfb.ko.cil.c[383543,383556] [2022-10-16 14:01:21,447 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---drivers--video--fbdev--udlfb.ko.cil.c[383960,383973] [2022-10-16 14:01:21,447 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---drivers--video--fbdev--udlfb.ko.cil.c[384357,384370] [2022-10-16 14:01:21,448 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---drivers--video--fbdev--udlfb.ko.cil.c[384592,384605] [2022-10-16 14:01:21,448 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---drivers--video--fbdev--udlfb.ko.cil.c[385340,385353] [2022-10-16 14:01:21,449 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---drivers--video--fbdev--udlfb.ko.cil.c[385761,385774] [2022-10-16 14:01:21,450 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---drivers--video--fbdev--udlfb.ko.cil.c[386388,386401] [2022-10-16 14:01:21,450 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---drivers--video--fbdev--udlfb.ko.cil.c[386803,386816] [2022-10-16 14:01:21,451 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---drivers--video--fbdev--udlfb.ko.cil.c[387447,387460] [2022-10-16 14:01:21,457 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---drivers--video--fbdev--udlfb.ko.cil.c[388177,388190] [2022-10-16 14:01:21,458 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---drivers--video--fbdev--udlfb.ko.cil.c[389013,389026] [2022-10-16 14:01:21,459 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---drivers--video--fbdev--udlfb.ko.cil.c[390359,390372] [2022-10-16 14:01:21,460 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---drivers--video--fbdev--udlfb.ko.cil.c[390757,390770] [2022-10-16 14:01:21,461 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---drivers--video--fbdev--udlfb.ko.cil.c[391314,391327] [2022-10-16 14:01:21,461 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---drivers--video--fbdev--udlfb.ko.cil.c[391697,391710] [2022-10-16 14:01:21,463 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---drivers--video--fbdev--udlfb.ko.cil.c[392313,392326] [2022-10-16 14:01:21,464 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---drivers--video--fbdev--udlfb.ko.cil.c[392887,392900] [2022-10-16 14:01:21,464 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---drivers--video--fbdev--udlfb.ko.cil.c[393800,393813] [2022-10-16 14:01:21,465 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---drivers--video--fbdev--udlfb.ko.cil.c[394191,394204] [2022-10-16 14:01:21,465 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---drivers--video--fbdev--udlfb.ko.cil.c[394420,394433] [2022-10-16 14:01:21,466 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---drivers--video--fbdev--udlfb.ko.cil.c[394826,394839] [2022-10-16 14:01:21,468 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---drivers--video--fbdev--udlfb.ko.cil.c[395683,395696] [2022-10-16 14:01:21,468 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---drivers--video--fbdev--udlfb.ko.cil.c[396090,396103] [2022-10-16 14:01:21,470 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 14:01:21,885 INFO L208 MainTranslator]: Completed translation [2022-10-16 14:01:21,886 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:01:21 WrapperNode [2022-10-16 14:01:21,886 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 14:01:21,887 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 14:01:21,888 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 14:01:21,888 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 14:01:21,897 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:01:21" (1/1) ... [2022-10-16 14:01:22,058 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:01:21" (1/1) ... [2022-10-16 14:01:22,811 INFO L138 Inliner]: procedures = 660, calls = 2190, calls flagged for inlining = 260, calls inlined = 184, statements flattened = 4796 [2022-10-16 14:01:22,812 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 14:01:22,813 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 14:01:22,813 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 14:01:22,814 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 14:01:22,826 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:01:21" (1/1) ... [2022-10-16 14:01:22,827 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:01:21" (1/1) ... [2022-10-16 14:01:23,107 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:01:21" (1/1) ... [2022-10-16 14:01:23,108 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:01:21" (1/1) ... [2022-10-16 14:01:23,831 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:01:21" (1/1) ... [2022-10-16 14:01:23,872 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:01:21" (1/1) ... [2022-10-16 14:01:24,031 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:01:21" (1/1) ... [2022-10-16 14:01:24,078 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:01:21" (1/1) ... [2022-10-16 14:01:24,253 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 14:01:24,254 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 14:01:24,255 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 14:01:24,255 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 14:01:24,256 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:01:21" (1/1) ... [2022-10-16 14:01:24,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 14:01:24,279 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:01:24,300 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) [2022-10-16 14:01:24,322 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 [2022-10-16 14:01:24,371 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-10-16 14:01:24,372 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-10-16 14:01:24,372 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_urb_completion [2022-10-16 14:01:24,372 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_urb_completion [2022-10-16 14:01:24,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-10-16 14:01:24,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-10-16 14:01:24,373 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-10-16 14:01:24,373 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-10-16 14:01:24,373 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_free_framebuffer_work [2022-10-16 14:01:24,373 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_free_framebuffer_work [2022-10-16 14:01:24,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_5_23 [2022-10-16 14:01:24,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_5_23 [2022-10-16 14:01:24,374 INFO L130 BoogieDeclarations]: Found specification of procedure fb_sys_write [2022-10-16 14:01:24,374 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_net_sock [2022-10-16 14:01:24,374 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_net_sock [2022-10-16 14:01:24,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-16 14:01:24,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-16 14:01:24,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-10-16 14:01:24,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-10-16 14:01:24,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-10-16 14:01:24,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-10-16 14:01:24,375 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_arch_io [2022-10-16 14:01:24,375 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_arch_io [2022-10-16 14:01:24,375 INFO L130 BoogieDeclarations]: Found specification of procedure __usb_get_extra_descriptor [2022-10-16 14:01:24,376 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_lock_of_fb_info [2022-10-16 14:01:24,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_lock_of_fb_info [2022-10-16 14:01:24,376 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-10-16 14:01:24,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-10-16 14:01:24,376 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-10-16 14:01:24,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-10-16 14:01:24,377 INFO L130 BoogieDeclarations]: Found specification of procedure metrics_reset_store [2022-10-16 14:01:24,377 INFO L138 BoogieDeclarations]: Found implementation of procedure metrics_reset_store [2022-10-16 14:01:24,377 INFO L130 BoogieDeclarations]: Found specification of procedure fb_deferred_io_init [2022-10-16 14:01:24,377 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-10-16 14:01:24,378 INFO L130 BoogieDeclarations]: Found specification of procedure framebuffer_alloc [2022-10-16 14:01:24,378 INFO L130 BoogieDeclarations]: Found specification of procedure down_timeout [2022-10-16 14:01:24,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-10-16 14:01:24,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-10-16 14:01:24,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_urb_list [2022-10-16 14:01:24,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_urb_list [2022-10-16 14:01:24,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-10-16 14:01:24,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-10-16 14:01:24,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-10-16 14:01:24,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-10-16 14:01:24,379 INFO L130 BoogieDeclarations]: Found specification of procedure fb_alloc_cmap [2022-10-16 14:01:24,379 INFO L130 BoogieDeclarations]: Found specification of procedure fb_add_videomode [2022-10-16 14:01:24,380 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_alloc_irq [2022-10-16 14:01:24,380 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_alloc_irq [2022-10-16 14:01:24,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 14:01:24,380 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add [2022-10-16 14:01:24,380 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add [2022-10-16 14:01:24,380 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_rcu_update_lock [2022-10-16 14:01:24,380 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_rcu_update_lock [2022-10-16 14:01:24,381 INFO L130 BoogieDeclarations]: Found specification of procedure fb_edid_to_monspecs [2022-10-16 14:01:24,381 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-10-16 14:01:24,381 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-10-16 14:01:24,381 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_setup_modes [2022-10-16 14:01:24,381 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_setup_modes [2022-10-16 14:01:24,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-10-16 14:01:24,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-10-16 14:01:24,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-16 14:01:24,382 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-10-16 14:01:24,382 INFO L130 BoogieDeclarations]: Found specification of procedure sys_fillrect [2022-10-16 14:01:24,382 INFO L130 BoogieDeclarations]: Found specification of procedure fb_var_to_videomode [2022-10-16 14:01:24,382 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_vidreg_lock [2022-10-16 14:01:24,383 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_vidreg_lock [2022-10-16 14:01:24,383 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-10-16 14:01:24,383 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-10-16 14:01:24,383 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-10-16 14:01:24,383 INFO L130 BoogieDeclarations]: Found specification of procedure down_interruptible [2022-10-16 14:01:24,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-16 14:01:24,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-10-16 14:01:24,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-10-16 14:01:24,384 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2022-10-16 14:01:24,384 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2022-10-16 14:01:24,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-10-16 14:01:24,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-10-16 14:01:24,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 14:01:24,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-10-16 14:01:24,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-10-16 14:01:24,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-10-16 14:01:24,385 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_block_queue [2022-10-16 14:01:24,385 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_block_queue [2022-10-16 14:01:24,386 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_free_framebuffer [2022-10-16 14:01:24,386 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_free_framebuffer [2022-10-16 14:01:24,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-16 14:01:24,386 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-16 14:01:24,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-10-16 14:01:24,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-10-16 14:01:24,386 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_var_color_format [2022-10-16 14:01:24,387 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_var_color_format [2022-10-16 14:01:24,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-10-16 14:01:24,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-10-16 14:01:24,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-10-16 14:01:24,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-10-16 14:01:24,387 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_locking_mutex [2022-10-16 14:01:24,387 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_locking_mutex [2022-10-16 14:01:24,388 INFO L130 BoogieDeclarations]: Found specification of procedure unlink_framebuffer [2022-10-16 14:01:24,388 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-10-16 14:01:24,388 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-10-16 14:01:24,388 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-10-16 14:01:24,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-10-16 14:01:24,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-10-16 14:01:24,388 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_locking_spinlock [2022-10-16 14:01:24,389 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_locking_spinlock [2022-10-16 14:01:24,389 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2022-10-16 14:01:24,389 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2022-10-16 14:01:24,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-10-16 14:01:24,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-10-16 14:01:24,389 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_block_genhd [2022-10-16 14:01:24,390 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_block_genhd [2022-10-16 14:01:24,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-16 14:01:24,390 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_rcu_update_lock_sched [2022-10-16 14:01:24,390 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_rcu_update_lock_sched [2022-10-16 14:01:24,390 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_register_16 [2022-10-16 14:01:24,390 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_register_16 [2022-10-16 14:01:24,390 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-10-16 14:01:24,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 14:01:24,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-10-16 14:01:24,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-10-16 14:01:24,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-16 14:01:24,391 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-10-16 14:01:24,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-10-16 14:01:24,392 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-10-16 14:01:24,392 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2022-10-16 14:01:24,392 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_register [2022-10-16 14:01:24,392 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_register [2022-10-16 14:01:24,392 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-10-16 14:01:24,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-10-16 14:01:24,393 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-10-16 14:01:24,393 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2022-10-16 14:01:24,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_irq_check_alloc_flags [2022-10-16 14:01:24,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_irq_check_alloc_flags [2022-10-16 14:01:24,393 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_init_framebuffer_work [2022-10-16 14:01:24,393 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_init_framebuffer_work [2022-10-16 14:01:24,393 INFO L130 BoogieDeclarations]: Found specification of procedure remap_pfn_range [2022-10-16 14:01:24,394 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-10-16 14:01:24,394 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-10-16 14:01:24,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-10-16 14:01:24,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-10-16 14:01:24,394 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2022-10-16 14:01:24,394 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2022-10-16 14:01:24,395 INFO L130 BoogieDeclarations]: Found specification of procedure register_framebuffer [2022-10-16 14:01:24,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_struct_fb_ops_dummy_resourceless_instance_5 [2022-10-16 14:01:24,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_struct_fb_ops_dummy_resourceless_instance_5 [2022-10-16 14:01:24,395 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2022-10-16 14:01:24,395 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2022-10-16 14:01:24,395 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2022-10-16 14:01:24,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 14:01:24,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 14:01:24,396 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2022-10-16 14:01:24,396 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2022-10-16 14:01:24,396 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_submit_urb [2022-10-16 14:01:24,396 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_submit_urb [2022-10-16 14:01:24,397 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_rcu_update_lock_bh [2022-10-16 14:01:24,397 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_rcu_update_lock_bh [2022-10-16 14:01:24,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-16 14:01:24,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-16 14:01:24,397 INFO L130 BoogieDeclarations]: Found specification of procedure framebuffer_release [2022-10-16 14:01:24,397 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-10-16 14:01:24,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-10-16 14:01:24,398 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_vidreg_unlock [2022-10-16 14:01:24,398 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_vidreg_unlock [2022-10-16 14:01:24,398 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_check_var [2022-10-16 14:01:24,398 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_check_var [2022-10-16 14:01:24,398 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_is_valid_mode [2022-10-16 14:01:24,398 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_is_valid_mode [2022-10-16 14:01:24,398 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_register_lfsr16 [2022-10-16 14:01:24,399 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_register_lfsr16 [2022-10-16 14:01:24,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-10-16 14:01:24,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-10-16 14:01:24,399 INFO L130 BoogieDeclarations]: Found specification of procedure fb_destroy_modelist [2022-10-16 14:01:24,399 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2022-10-16 14:01:24,399 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2022-10-16 14:01:24,400 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2022-10-16 14:01:24,400 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2022-10-16 14:01:24,400 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-10-16 14:01:24,400 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-10-16 14:01:24,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-16 14:01:24,400 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-16 14:01:24,401 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_release [2022-10-16 14:01:24,401 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_release [2022-10-16 14:01:24,401 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-16 14:01:24,401 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-16 14:01:24,401 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_get_urb [2022-10-16 14:01:24,401 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_get_urb [2022-10-16 14:01:24,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_framebuffer_103 [2022-10-16 14:01:24,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_framebuffer_103 [2022-10-16 14:01:24,402 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_video_mode [2022-10-16 14:01:24,402 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_video_mode [2022-10-16 14:01:24,402 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_alloc_usb_lock [2022-10-16 14:01:24,403 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_alloc_usb_lock [2022-10-16 14:01:24,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-10-16 14:01:24,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-10-16 14:01:24,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_usb_free_urb [2022-10-16 14:01:24,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_usb_free_urb [2022-10-16 14:01:24,403 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_blank [2022-10-16 14:01:24,404 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_blank [2022-10-16 14:01:24,404 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_fs_sysfs [2022-10-16 14:01:24,404 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_fs_sysfs [2022-10-16 14:01:24,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-10-16 14:01:24,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-10-16 14:01:24,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-16 14:01:24,404 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-10-16 14:01:24,405 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-10-16 14:01:24,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-10-16 14:01:24,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-10-16 14:01:24,405 INFO L130 BoogieDeclarations]: Found specification of procedure get_cycles [2022-10-16 14:01:24,405 INFO L138 BoogieDeclarations]: Found implementation of procedure get_cycles [2022-10-16 14:01:24,405 INFO L130 BoogieDeclarations]: Found specification of procedure up [2022-10-16 14:01:24,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-16 14:01:24,406 INFO L130 BoogieDeclarations]: Found specification of procedure sys_imageblit [2022-10-16 14:01:24,406 INFO L130 BoogieDeclarations]: Found specification of procedure fb_sys_read [2022-10-16 14:01:24,406 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2022-10-16 14:01:24,406 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_usb_coherent [2022-10-16 14:01:24,406 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_usb_coherent [2022-10-16 14:01:24,406 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_bin_file [2022-10-16 14:01:24,407 INFO L130 BoogieDeclarations]: Found specification of procedure fb_dealloc_cmap [2022-10-16 14:01:24,407 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_107 [2022-10-16 14:01:24,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_107 [2022-10-16 14:01:24,407 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_locking_rwlock [2022-10-16 14:01:24,408 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_locking_rwlock [2022-10-16 14:01:24,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-16 14:01:24,408 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc_to_pfn [2022-10-16 14:01:24,408 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-10-16 14:01:24,408 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-10-16 14:01:24,408 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_drivers_base_class [2022-10-16 14:01:24,408 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_drivers_base_class [2022-10-16 14:01:24,409 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-10-16 14:01:24,409 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-10-16 14:01:24,409 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_module [2022-10-16 14:01:24,409 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_module [2022-10-16 14:01:24,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-10-16 14:01:24,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-10-16 14:01:24,410 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_framebuffer [2022-10-16 14:01:24,410 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-10-16 14:01:24,410 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-10-16 14:01:24,410 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-10-16 14:01:24,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-10-16 14:01:24,411 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-10-16 14:01:24,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-10-16 14:01:24,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-10-16 14:01:24,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_usb_lock_check_alloc_flags [2022-10-16 14:01:24,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_usb_lock_check_alloc_flags [2022-10-16 14:01:24,411 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_bin_file [2022-10-16 14:01:24,412 INFO L130 BoogieDeclarations]: Found specification of procedure fb_destroy_modedb [2022-10-16 14:01:24,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-10-16 14:01:24,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-10-16 14:01:24,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-10-16 14:01:24,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-10-16 14:01:24,412 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2022-10-16 14:01:24,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-10-16 14:01:24,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-10-16 14:01:24,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2022-10-16 14:01:24,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2022-10-16 14:01:24,413 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-10-16 14:01:24,413 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_fs_char_dev [2022-10-16 14:01:24,413 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_fs_char_dev [2022-10-16 14:01:24,413 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-10-16 14:01:24,414 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-10-16 14:01:24,414 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_usb_gadget [2022-10-16 14:01:24,414 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_usb_gadget [2022-10-16 14:01:24,414 INFO L130 BoogieDeclarations]: Found specification of procedure fb_find_best_display [2022-10-16 14:01:24,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-10-16 14:01:24,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-10-16 14:01:24,414 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-16 14:01:24,415 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_net_rtnetlink [2022-10-16 14:01:24,415 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_net_rtnetlink [2022-10-16 14:01:24,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-10-16 14:01:24,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-10-16 14:01:24,415 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_handle_damage [2022-10-16 14:01:24,415 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_handle_damage [2022-10-16 14:01:24,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 14:01:24,415 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_render_hline [2022-10-16 14:01:24,416 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_render_hline [2022-10-16 14:01:24,416 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_usb_disconnect [2022-10-16 14:01:24,416 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_usb_disconnect [2022-10-16 14:01:24,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-10-16 14:01:24,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-10-16 14:01:24,416 INFO L130 BoogieDeclarations]: Found specification of procedure edid_show [2022-10-16 14:01:24,416 INFO L138 BoogieDeclarations]: Found implementation of procedure edid_show [2022-10-16 14:01:24,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-16 14:01:24,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-16 14:01:24,417 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_block_request [2022-10-16 14:01:24,417 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_block_request [2022-10-16 14:01:24,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-10-16 14:01:24,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-10-16 14:01:24,418 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_blanking [2022-10-16 14:01:24,418 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_blanking [2022-10-16 14:01:24,418 INFO L130 BoogieDeclarations]: Found specification of procedure fb_find_nearest_mode [2022-10-16 14:01:24,418 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_lib_idr [2022-10-16 14:01:24,418 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_lib_idr [2022-10-16 14:01:24,418 INFO L130 BoogieDeclarations]: Found specification of procedure sys_copyarea [2022-10-16 14:01:24,418 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_usb_urb [2022-10-16 14:01:24,419 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_usb_urb [2022-10-16 14:01:24,419 INFO L130 BoogieDeclarations]: Found specification of procedure fb_videomode_to_var [2022-10-16 14:01:24,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-10-16 14:01:24,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-10-16 14:01:24,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-10-16 14:01:24,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-10-16 14:01:24,420 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-10-16 14:01:24,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_13_2 [2022-10-16 14:01:24,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_13_2 [2022-10-16 14:01:24,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_framebuffer [2022-10-16 14:01:24,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_framebuffer [2022-10-16 14:01:24,420 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_set_par [2022-10-16 14:01:24,420 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_set_par [2022-10-16 14:01:24,421 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_mmc_sdio_func [2022-10-16 14:01:24,421 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_mmc_sdio_func [2022-10-16 14:01:24,421 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2022-10-16 14:01:24,421 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2022-10-16 14:01:24,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 14:01:24,421 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_rcu_srcu [2022-10-16 14:01:24,422 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_rcu_srcu [2022-10-16 14:01:24,422 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2022-10-16 14:01:24,422 INFO L130 BoogieDeclarations]: Found specification of procedure edid_store [2022-10-16 14:01:24,422 INFO L138 BoogieDeclarations]: Found implementation of procedure edid_store [2022-10-16 14:01:24,422 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_descriptor [2022-10-16 14:01:24,422 INFO L130 BoogieDeclarations]: Found specification of procedure fb_deferred_io_cleanup [2022-10-16 14:01:25,401 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 14:01:25,406 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 14:01:41,871 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 14:01:41,914 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 14:01:41,926 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 14:01:41,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:01:41 BoogieIcfgContainer [2022-10-16 14:01:41,933 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 14:01:41,942 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 14:01:41,942 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 14:01:41,946 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 14:01:41,946 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 02:01:16" (1/3) ... [2022-10-16 14:01:41,947 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49d3720a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:01:41, skipping insertion in model container [2022-10-16 14:01:41,947 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:01:21" (2/3) ... [2022-10-16 14:01:41,948 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49d3720a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:01:41, skipping insertion in model container [2022-10-16 14:01:41,948 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:01:41" (3/3) ... [2022-10-16 14:01:41,949 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.c [2022-10-16 14:01:41,969 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 14:01:41,969 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 154 error locations. [2022-10-16 14:01:42,106 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 14:01:42,115 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;@3f538fd4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 14:01:42,115 INFO L358 AbstractCegarLoop]: Starting to check reachability of 154 error locations. [2022-10-16 14:01:42,129 INFO L276 IsEmpty]: Start isEmpty. Operand has 1919 states, 1233 states have (on average 1.3568532035685321) internal successors, (1673), 1455 states have internal predecessors, (1673), 408 states have call successors, (408), 123 states have call predecessors, (408), 123 states have return successors, (408), 388 states have call predecessors, (408), 408 states have call successors, (408) [2022-10-16 14:01:42,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2022-10-16 14:01:42,168 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:01:42,169 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 7, 7, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:01:42,170 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting dlfb_setup_modesErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [kref_subErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, kref_subErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, dlfb_urb_completionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 151 more)] === [2022-10-16 14:01:42,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:01:42,177 INFO L85 PathProgramCache]: Analyzing trace with hash -230861261, now seen corresponding path program 1 times [2022-10-16 14:01:42,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:01:42,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129713741] [2022-10-16 14:01:42,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:01:42,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:01:42,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:43,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:01:43,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:43,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 14:01:43,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:43,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-16 14:01:43,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:43,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 14:01:43,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:43,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 14:01:43,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:43,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-16 14:01:43,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:43,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-10-16 14:01:43,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:43,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:01:43,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:43,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-10-16 14:01:43,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:43,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-10-16 14:01:43,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:43,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-10-16 14:01:43,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:43,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-10-16 14:01:43,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:43,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:01:43,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:43,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:01:43,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:43,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:01:43,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:43,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-10-16 14:01:43,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:43,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-10-16 14:01:43,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:43,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:01:43,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:43,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:01:43,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:43,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:01:43,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:43,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-10-16 14:01:43,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:43,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-10-16 14:01:43,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:43,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:01:43,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:43,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:01:43,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:43,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:01:43,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:43,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-10-16 14:01:43,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:43,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-10-16 14:01:43,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:43,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:01:43,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:43,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:01:43,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:43,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:01:43,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:43,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 14:01:43,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:43,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-16 14:01:43,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:43,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:01:43,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:43,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-10-16 14:01:43,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:43,876 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2022-10-16 14:01:43,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:01:43,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129713741] [2022-10-16 14:01:43,884 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129713741] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:01:43,884 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:01:43,884 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 14:01:43,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830533990] [2022-10-16 14:01:43,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:01:43,895 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 14:01:43,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:01:43,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 14:01:43,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 14:01:43,949 INFO L87 Difference]: Start difference. First operand has 1919 states, 1233 states have (on average 1.3568532035685321) internal successors, (1673), 1455 states have internal predecessors, (1673), 408 states have call successors, (408), 123 states have call predecessors, (408), 123 states have return successors, (408), 388 states have call predecessors, (408), 408 states have call successors, (408) Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 2 states have internal predecessors, (83), 2 states have call successors, (30), 6 states have call predecessors, (30), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-10-16 14:01:49,468 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 14:01:51,574 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 14:01:53,707 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 14:01:56,270 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 14:01:59,186 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 14:02:01,212 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 14:02:08,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:02:08,577 INFO L93 Difference]: Finished difference Result 4166 states and 5831 transitions. [2022-10-16 14:02:08,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 14:02:08,580 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 2 states have internal predecessors, (83), 2 states have call successors, (30), 6 states have call predecessors, (30), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 204 [2022-10-16 14:02:08,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:02:08,651 INFO L225 Difference]: With dead ends: 4166 [2022-10-16 14:02:08,652 INFO L226 Difference]: Without dead ends: 2010 [2022-10-16 14:02:08,680 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-16 14:02:08,685 INFO L413 NwaCegarLoop]: 2077 mSDtfsCounter, 4543 mSDsluCounter, 1277 mSDsCounter, 0 mSdLazyCounter, 3129 mSolverCounterSat, 2788 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4543 SdHoareTripleChecker+Valid, 3354 SdHoareTripleChecker+Invalid, 5921 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2788 IncrementalHoareTripleChecker+Valid, 3129 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.7s IncrementalHoareTripleChecker+Time [2022-10-16 14:02:08,690 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4543 Valid, 3354 Invalid, 5921 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2788 Valid, 3129 Invalid, 4 Unknown, 0 Unchecked, 23.7s Time] [2022-10-16 14:02:08,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2010 states. [2022-10-16 14:02:08,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2010 to 1605. [2022-10-16 14:02:08,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1605 states, 1069 states have (on average 1.3414405986903648) internal successors, (1434), 1233 states have internal predecessors, (1434), 329 states have call successors, (329), 77 states have call predecessors, (329), 77 states have return successors, (329), 310 states have call predecessors, (329), 329 states have call successors, (329) [2022-10-16 14:02:08,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1605 states to 1605 states and 2092 transitions. [2022-10-16 14:02:09,003 INFO L78 Accepts]: Start accepts. Automaton has 1605 states and 2092 transitions. Word has length 204 [2022-10-16 14:02:09,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:02:09,003 INFO L495 AbstractCegarLoop]: Abstraction has 1605 states and 2092 transitions. [2022-10-16 14:02:09,004 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 2 states have internal predecessors, (83), 2 states have call successors, (30), 6 states have call predecessors, (30), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-10-16 14:02:09,004 INFO L276 IsEmpty]: Start isEmpty. Operand 1605 states and 2092 transitions. [2022-10-16 14:02:09,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2022-10-16 14:02:09,028 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:02:09,029 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 7, 7, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:02:09,029 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 14:02:09,030 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting dlfb_setup_modesErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [kref_subErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, kref_subErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, dlfb_urb_completionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 151 more)] === [2022-10-16 14:02:09,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:02:09,031 INFO L85 PathProgramCache]: Analyzing trace with hash 799506547, now seen corresponding path program 1 times [2022-10-16 14:02:09,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:02:09,035 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335668664] [2022-10-16 14:02:09,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:02:09,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:02:09,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:09,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:02:09,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:09,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 14:02:09,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:09,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-16 14:02:09,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:09,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 14:02:09,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:09,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 14:02:09,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:09,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-16 14:02:09,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:09,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-10-16 14:02:09,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:09,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:02:09,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:09,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-10-16 14:02:09,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:09,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-10-16 14:02:09,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:09,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-10-16 14:02:09,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:09,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-10-16 14:02:09,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:09,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:02:09,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:09,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:02:09,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:09,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:02:09,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:09,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-10-16 14:02:09,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:09,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-10-16 14:02:09,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:09,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:02:09,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:09,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:02:09,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:09,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:02:09,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:09,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-10-16 14:02:09,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:09,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-10-16 14:02:09,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:09,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:02:09,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:09,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:02:09,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:09,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:02:09,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:10,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-10-16 14:02:10,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:10,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-10-16 14:02:10,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:10,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:02:10,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:10,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:02:10,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:10,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:02:10,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:10,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 14:02:10,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:10,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-16 14:02:10,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:10,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:02:10,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:10,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-10-16 14:02:10,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:10,151 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2022-10-16 14:02:10,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:02:10,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335668664] [2022-10-16 14:02:10,152 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335668664] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:02:10,152 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:02:10,152 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 14:02:10,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401308157] [2022-10-16 14:02:10,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:02:10,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 14:02:10,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:02:10,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 14:02:10,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 14:02:10,157 INFO L87 Difference]: Start difference. First operand 1605 states and 2092 transitions. Second operand has 7 states, 6 states have (on average 13.833333333333334) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-10-16 14:02:16,657 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 14:02:18,456 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 14:02:22,553 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 14:02:23,801 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 14:02:25,833 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 14:02:28,459 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 14:02:31,450 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 14:02:33,476 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 14:02:38,673 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 14:02:40,743 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 14:02:42,818 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 14:02:47,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:02:47,822 INFO L93 Difference]: Finished difference Result 2030 states and 2757 transitions. [2022-10-16 14:02:47,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-16 14:02:47,824 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 13.833333333333334) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 204 [2022-10-16 14:02:47,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:02:47,843 INFO L225 Difference]: With dead ends: 2030 [2022-10-16 14:02:47,844 INFO L226 Difference]: Without dead ends: 2028 [2022-10-16 14:02:47,846 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2022-10-16 14:02:47,847 INFO L413 NwaCegarLoop]: 1818 mSDtfsCounter, 4201 mSDsluCounter, 1579 mSDsCounter, 0 mSdLazyCounter, 4687 mSolverCounterSat, 2517 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4201 SdHoareTripleChecker+Valid, 3397 SdHoareTripleChecker+Invalid, 7213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2517 IncrementalHoareTripleChecker+Valid, 4687 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:02:47,848 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4201 Valid, 3397 Invalid, 7213 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2517 Valid, 4687 Invalid, 9 Unknown, 0 Unchecked, 37.0s Time] [2022-10-16 14:02:47,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2028 states. [2022-10-16 14:02:47,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2028 to 1608. [2022-10-16 14:02:47,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1608 states, 1072 states have (on average 1.3404850746268657) internal successors, (1437), 1236 states have internal predecessors, (1437), 329 states have call successors, (329), 77 states have call predecessors, (329), 77 states have return successors, (329), 310 states have call predecessors, (329), 329 states have call successors, (329) [2022-10-16 14:02:47,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1608 states to 1608 states and 2095 transitions. [2022-10-16 14:02:47,970 INFO L78 Accepts]: Start accepts. Automaton has 1608 states and 2095 transitions. Word has length 204 [2022-10-16 14:02:47,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:02:47,972 INFO L495 AbstractCegarLoop]: Abstraction has 1608 states and 2095 transitions. [2022-10-16 14:02:47,972 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 13.833333333333334) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-10-16 14:02:47,972 INFO L276 IsEmpty]: Start isEmpty. Operand 1608 states and 2095 transitions. [2022-10-16 14:02:47,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2022-10-16 14:02:47,978 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:02:47,978 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:02:47,978 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 14:02:47,979 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting kref_subErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [kref_subErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, kref_subErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, dlfb_urb_completionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 151 more)] === [2022-10-16 14:02:47,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:02:47,979 INFO L85 PathProgramCache]: Analyzing trace with hash 574144093, now seen corresponding path program 1 times [2022-10-16 14:02:47,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:02:47,980 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239548594] [2022-10-16 14:02:47,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:02:47,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:02:48,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:48,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:02:48,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:48,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 14:02:48,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:48,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-16 14:02:48,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:48,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 14:02:48,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:48,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-10-16 14:02:48,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:48,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:02:48,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:48,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:02:48,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:48,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:02:48,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:48,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-16 14:02:48,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:48,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:02:48,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:48,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:02:48,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:48,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:02:48,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:48,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-16 14:02:48,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:48,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:02:48,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:48,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:02:48,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:48,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:02:48,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:48,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-10-16 14:02:48,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:48,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:02:48,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:48,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:02:48,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:48,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:02:48,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:48,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-10-16 14:02:48,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:48,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:02:48,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:48,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:02:48,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:48,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:02:48,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:48,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-10-16 14:02:48,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:48,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-10-16 14:02:48,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:48,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-10-16 14:02:48,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:48,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-10-16 14:02:48,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:48,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:02:48,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:48,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:02:48,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:48,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:02:48,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:48,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 14:02:48,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:48,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-16 14:02:48,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:48,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:02:48,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:48,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-10-16 14:02:48,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:48,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-10-16 14:02:48,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:48,731 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2022-10-16 14:02:48,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:02:48,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239548594] [2022-10-16 14:02:48,731 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239548594] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:02:48,731 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:02:48,732 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 14:02:48,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446212886] [2022-10-16 14:02:48,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:02:48,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 14:02:48,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:02:48,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 14:02:48,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 14:02:48,735 INFO L87 Difference]: Start difference. First operand 1608 states and 2095 transitions. Second operand has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-10-16 14:02:54,462 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 14:02:56,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 14:02:59,172 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 14:03:01,317 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-10-16 14:03:09,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:03:09,935 INFO L93 Difference]: Finished difference Result 3514 states and 4678 transitions. [2022-10-16 14:03:09,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 14:03:09,936 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 209 [2022-10-16 14:03:09,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:03:09,957 INFO L225 Difference]: With dead ends: 3514 [2022-10-16 14:03:09,957 INFO L226 Difference]: Without dead ends: 2046 [2022-10-16 14:03:09,968 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2022-10-16 14:03:09,974 INFO L413 NwaCegarLoop]: 2131 mSDtfsCounter, 3613 mSDsluCounter, 1753 mSDsCounter, 0 mSdLazyCounter, 3894 mSolverCounterSat, 2224 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3720 SdHoareTripleChecker+Valid, 3884 SdHoareTripleChecker+Invalid, 6122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2224 IncrementalHoareTripleChecker+Valid, 3894 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.7s IncrementalHoareTripleChecker+Time [2022-10-16 14:03:09,975 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3720 Valid, 3884 Invalid, 6122 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2224 Valid, 3894 Invalid, 4 Unknown, 0 Unchecked, 20.7s Time] [2022-10-16 14:03:09,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2046 states. [2022-10-16 14:03:10,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2046 to 1609. [2022-10-16 14:03:10,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1609 states, 1073 states have (on average 1.3401677539608574) internal successors, (1438), 1237 states have internal predecessors, (1438), 329 states have call successors, (329), 77 states have call predecessors, (329), 77 states have return successors, (329), 310 states have call predecessors, (329), 329 states have call successors, (329) [2022-10-16 14:03:10,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1609 states to 1609 states and 2096 transitions. [2022-10-16 14:03:10,097 INFO L78 Accepts]: Start accepts. Automaton has 1609 states and 2096 transitions. Word has length 209 [2022-10-16 14:03:10,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:03:10,101 INFO L495 AbstractCegarLoop]: Abstraction has 1609 states and 2096 transitions. [2022-10-16 14:03:10,102 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-10-16 14:03:10,102 INFO L276 IsEmpty]: Start isEmpty. Operand 1609 states and 2096 transitions. [2022-10-16 14:03:10,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2022-10-16 14:03:10,110 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:03:10,111 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:03:10,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 14:03:10,111 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [kref_subErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, kref_subErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, dlfb_urb_completionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 151 more)] === [2022-10-16 14:03:10,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:03:10,112 INFO L85 PathProgramCache]: Analyzing trace with hash -96518619, now seen corresponding path program 1 times [2022-10-16 14:03:10,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:03:10,114 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006370812] [2022-10-16 14:03:10,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:03:10,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:03:10,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:11,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:03:11,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:11,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 14:03:11,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:11,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-16 14:03:11,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:11,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 14:03:11,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:11,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 14:03:11,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:11,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-16 14:03:11,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:11,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-10-16 14:03:11,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:11,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:03:11,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:11,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-10-16 14:03:11,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:11,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-10-16 14:03:11,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:11,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-10-16 14:03:11,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:11,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-10-16 14:03:11,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:11,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:03:11,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:11,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:03:11,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:11,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:03:11,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:11,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-10-16 14:03:11,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:11,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-10-16 14:03:11,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:11,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:03:11,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:11,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:03:11,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:11,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:03:11,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:11,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-10-16 14:03:11,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:11,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-10-16 14:03:11,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:11,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:03:11,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:11,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:03:11,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:11,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:03:11,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:11,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-10-16 14:03:11,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:11,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-10-16 14:03:11,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:11,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:03:11,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:11,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:03:11,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:12,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:03:12,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:12,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 14:03:12,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:12,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-16 14:03:12,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:12,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:03:12,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:12,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-10-16 14:03:12,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:12,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-10-16 14:03:12,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:12,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:03:12,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:12,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:03:12,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:12,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:03:12,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:12,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 14:03:12,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:12,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-16 14:03:12,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:12,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:03:12,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:12,348 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2022-10-16 14:03:12,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:03:12,348 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006370812] [2022-10-16 14:03:12,348 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1006370812] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:03:12,349 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [270153848] [2022-10-16 14:03:12,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:03:12,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:03:12,349 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:03:12,361 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) [2022-10-16 14:03:12,375 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-16 14:03:13,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:13,245 INFO L263 TraceCheckSpWp]: Trace formula consists of 2376 conjuncts, 29 conjunts are in the unsatisfiable core [2022-10-16 14:03:13,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:03:13,990 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2022-10-16 14:03:13,990 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 14:03:13,991 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [270153848] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:03:13,991 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 14:03:13,991 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [11] total 27 [2022-10-16 14:03:13,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972629646] [2022-10-16 14:03:13,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:03:13,992 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-10-16 14:03:13,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:03:13,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-10-16 14:03:13,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-10-16 14:03:13,996 INFO L87 Difference]: Start difference. First operand 1609 states and 2096 transitions. Second operand has 18 states, 17 states have (on average 5.882352941176471) internal successors, (100), 17 states have internal predecessors, (100), 7 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (29), 7 states have call predecessors, (29), 7 states have call successors, (29) [2022-10-16 14:03:15,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:03:15,365 INFO L93 Difference]: Finished difference Result 3227 states and 4222 transitions. [2022-10-16 14:03:15,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-10-16 14:03:15,365 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 5.882352941176471) internal successors, (100), 17 states have internal predecessors, (100), 7 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (29), 7 states have call predecessors, (29), 7 states have call successors, (29) Word has length 251 [2022-10-16 14:03:15,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:03:15,381 INFO L225 Difference]: With dead ends: 3227 [2022-10-16 14:03:15,382 INFO L226 Difference]: Without dead ends: 1603 [2022-10-16 14:03:15,392 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 352 GetRequests, 314 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=190, Invalid=1292, Unknown=0, NotChecked=0, Total=1482 [2022-10-16 14:03:15,394 INFO L413 NwaCegarLoop]: 2057 mSDtfsCounter, 68 mSDsluCounter, 32789 mSDsCounter, 0 mSdLazyCounter, 695 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 34846 SdHoareTripleChecker+Invalid, 758 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 695 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 14:03:15,396 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 34846 Invalid, 758 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [63 Valid, 695 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 14:03:15,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1603 states. [2022-10-16 14:03:15,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1603 to 1603. [2022-10-16 14:03:15,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1603 states, 1073 states have (on average 1.3336439888164027) internal successors, (1431), 1231 states have internal predecessors, (1431), 323 states have call successors, (323), 77 states have call predecessors, (323), 77 states have return successors, (323), 309 states have call predecessors, (323), 323 states have call successors, (323) [2022-10-16 14:03:15,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1603 states to 1603 states and 2077 transitions. [2022-10-16 14:03:15,512 INFO L78 Accepts]: Start accepts. Automaton has 1603 states and 2077 transitions. Word has length 251 [2022-10-16 14:03:15,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:03:15,512 INFO L495 AbstractCegarLoop]: Abstraction has 1603 states and 2077 transitions. [2022-10-16 14:03:15,512 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 5.882352941176471) internal successors, (100), 17 states have internal predecessors, (100), 7 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (29), 7 states have call predecessors, (29), 7 states have call successors, (29) [2022-10-16 14:03:15,513 INFO L276 IsEmpty]: Start isEmpty. Operand 1603 states and 2077 transitions. [2022-10-16 14:03:15,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2022-10-16 14:03:15,519 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:03:15,519 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:03:15,570 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-10-16 14:03:15,732 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:03:15,734 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [kref_subErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, kref_subErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, dlfb_urb_completionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 151 more)] === [2022-10-16 14:03:15,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:03:15,736 INFO L85 PathProgramCache]: Analyzing trace with hash 1199936295, now seen corresponding path program 1 times [2022-10-16 14:03:15,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:03:15,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659211140] [2022-10-16 14:03:15,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:03:15,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:03:15,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:16,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:03:16,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:16,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 14:03:16,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:16,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-16 14:03:16,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:16,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 14:03:16,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:16,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 14:03:16,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:16,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-16 14:03:16,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:16,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-10-16 14:03:16,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:16,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:03:16,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:16,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-10-16 14:03:16,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:16,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-10-16 14:03:16,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:16,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-10-16 14:03:16,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:16,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-10-16 14:03:16,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:16,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:03:16,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:16,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:03:16,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:16,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:03:16,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:16,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-10-16 14:03:16,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:16,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-10-16 14:03:16,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:16,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:03:16,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:16,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:03:16,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:16,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:03:16,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:16,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-10-16 14:03:16,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:16,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-10-16 14:03:16,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:16,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:03:16,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:16,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:03:16,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:16,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:03:16,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:16,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-10-16 14:03:16,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:16,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-10-16 14:03:16,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:16,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:03:17,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:17,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:03:17,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:17,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:03:17,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:17,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 14:03:17,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:17,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-16 14:03:17,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:17,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:03:17,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:17,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-10-16 14:03:17,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:17,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-10-16 14:03:17,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:17,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:03:17,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:17,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:03:17,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:17,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:03:17,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:17,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 14:03:17,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:17,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-16 14:03:17,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:17,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:03:17,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:17,544 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2022-10-16 14:03:17,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:03:17,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659211140] [2022-10-16 14:03:17,545 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659211140] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:03:17,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [886360413] [2022-10-16 14:03:17,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:03:17,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:03:17,546 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:03:17,547 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) [2022-10-16 14:03:17,566 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-16 14:03:18,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:18,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 2374 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-16 14:03:18,444 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:03:18,563 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2022-10-16 14:03:18,563 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 14:03:18,563 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [886360413] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:03:18,564 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 14:03:18,564 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [11] total 15 [2022-10-16 14:03:18,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768051837] [2022-10-16 14:03:18,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:03:18,565 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 14:03:18,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:03:18,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 14:03:18,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2022-10-16 14:03:18,569 INFO L87 Difference]: Start difference. First operand 1603 states and 2077 transitions. Second operand has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 6 states have internal predecessors, (100), 3 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-10-16 14:03:19,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:03:19,158 INFO L93 Difference]: Finished difference Result 2596 states and 3314 transitions. [2022-10-16 14:03:19,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 14:03:19,159 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 6 states have internal predecessors, (100), 3 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 251 [2022-10-16 14:03:19,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:03:19,172 INFO L225 Difference]: With dead ends: 2596 [2022-10-16 14:03:19,172 INFO L226 Difference]: Without dead ends: 1603 [2022-10-16 14:03:19,178 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 342 GetRequests, 326 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=237, Unknown=0, NotChecked=0, Total=272 [2022-10-16 14:03:19,179 INFO L413 NwaCegarLoop]: 2050 mSDtfsCounter, 578 mSDsluCounter, 7345 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 244 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 578 SdHoareTripleChecker+Valid, 9395 SdHoareTripleChecker+Invalid, 381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 244 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 14:03:19,179 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [578 Valid, 9395 Invalid, 381 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [244 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 14:03:19,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1603 states. [2022-10-16 14:03:19,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1603 to 1601. [2022-10-16 14:03:19,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1601 states, 1072 states have (on average 1.3330223880597014) internal successors, (1429), 1230 states have internal predecessors, (1429), 322 states have call successors, (322), 77 states have call predecessors, (322), 77 states have return successors, (322), 308 states have call predecessors, (322), 322 states have call successors, (322) [2022-10-16 14:03:19,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1601 states to 1601 states and 2073 transitions. [2022-10-16 14:03:19,292 INFO L78 Accepts]: Start accepts. Automaton has 1601 states and 2073 transitions. Word has length 251 [2022-10-16 14:03:19,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:03:19,293 INFO L495 AbstractCegarLoop]: Abstraction has 1601 states and 2073 transitions. [2022-10-16 14:03:19,293 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 6 states have internal predecessors, (100), 3 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-10-16 14:03:19,293 INFO L276 IsEmpty]: Start isEmpty. Operand 1601 states and 2073 transitions. [2022-10-16 14:03:19,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2022-10-16 14:03:19,298 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:03:19,299 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:03:19,347 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-10-16 14:03:19,512 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 [2022-10-16 14:03:19,512 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [kref_subErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, kref_subErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, dlfb_urb_completionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 151 more)] === [2022-10-16 14:03:19,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:03:19,513 INFO L85 PathProgramCache]: Analyzing trace with hash 1720884866, now seen corresponding path program 1 times [2022-10-16 14:03:19,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:03:19,513 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639535160] [2022-10-16 14:03:19,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:03:19,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:03:19,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:19,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:03:19,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:19,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 14:03:19,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:19,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-16 14:03:19,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:19,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 14:03:19,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:19,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-10-16 14:03:19,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:19,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:03:19,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:19,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:03:19,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:19,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:03:19,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:19,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-16 14:03:19,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:20,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:03:20,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:20,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:03:20,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:20,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:03:20,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:20,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-16 14:03:20,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:20,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:03:20,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:20,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:03:20,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:20,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:03:20,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:20,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-10-16 14:03:20,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:20,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:03:20,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:20,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:03:20,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:20,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:03:20,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:20,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-10-16 14:03:20,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:20,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:03:20,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:20,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:03:20,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:20,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:03:20,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:20,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-10-16 14:03:20,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:20,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-10-16 14:03:20,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:20,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-10-16 14:03:20,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:20,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-10-16 14:03:20,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:20,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:03:20,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:20,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:03:20,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:20,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:03:20,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:20,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 14:03:20,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:20,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-16 14:03:20,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:20,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:03:20,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:20,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-10-16 14:03:20,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:20,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-10-16 14:03:20,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:20,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-10-16 14:03:20,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:20,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:03:20,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:20,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:03:20,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:20,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:03:20,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:20,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 14:03:20,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:20,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-16 14:03:20,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:20,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:03:20,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:20,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-10-16 14:03:20,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:20,481 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 430 trivial. 0 not checked. [2022-10-16 14:03:20,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:03:20,481 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639535160] [2022-10-16 14:03:20,481 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639535160] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:03:20,481 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:03:20,482 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 14:03:20,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78881168] [2022-10-16 14:03:20,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:03:20,483 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 14:03:20,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:03:20,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 14:03:20,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-10-16 14:03:20,484 INFO L87 Difference]: Start difference. First operand 1601 states and 2073 transitions. Second operand has 8 states, 7 states have (on average 11.857142857142858) internal successors, (83), 3 states have internal predecessors, (83), 1 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2022-10-16 14:03:25,114 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 14:03:27,137 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 14:03:29,845 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 14:03:31,866 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 14:03:34,931 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 14:03:39,085 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 14:03:41,797 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 14:03:50,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:03:50,878 INFO L93 Difference]: Finished difference Result 2326 states and 3197 transitions. [2022-10-16 14:03:50,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 14:03:50,880 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 11.857142857142858) internal successors, (83), 3 states have internal predecessors, (83), 1 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 259 [2022-10-16 14:03:50,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:03:50,898 INFO L225 Difference]: With dead ends: 2326 [2022-10-16 14:03:50,898 INFO L226 Difference]: Without dead ends: 2325 [2022-10-16 14:03:50,900 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2022-10-16 14:03:50,901 INFO L413 NwaCegarLoop]: 2157 mSDtfsCounter, 4731 mSDsluCounter, 2247 mSDsCounter, 0 mSdLazyCounter, 5530 mSolverCounterSat, 2973 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4855 SdHoareTripleChecker+Valid, 4404 SdHoareTripleChecker+Invalid, 8510 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2973 IncrementalHoareTripleChecker+Valid, 5530 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.9s IncrementalHoareTripleChecker+Time [2022-10-16 14:03:50,901 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4855 Valid, 4404 Invalid, 8510 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2973 Valid, 5530 Invalid, 7 Unknown, 0 Unchecked, 29.9s Time] [2022-10-16 14:03:50,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2325 states. [2022-10-16 14:03:51,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2325 to 1610. [2022-10-16 14:03:51,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1610 states, 1081 states have (on average 1.3348751156336724) internal successors, (1443), 1239 states have internal predecessors, (1443), 322 states have call successors, (322), 77 states have call predecessors, (322), 77 states have return successors, (322), 308 states have call predecessors, (322), 322 states have call successors, (322) [2022-10-16 14:03:51,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1610 states to 1610 states and 2087 transitions. [2022-10-16 14:03:51,034 INFO L78 Accepts]: Start accepts. Automaton has 1610 states and 2087 transitions. Word has length 259 [2022-10-16 14:03:51,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:03:51,035 INFO L495 AbstractCegarLoop]: Abstraction has 1610 states and 2087 transitions. [2022-10-16 14:03:51,035 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 11.857142857142858) internal successors, (83), 3 states have internal predecessors, (83), 1 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2022-10-16 14:03:51,035 INFO L276 IsEmpty]: Start isEmpty. Operand 1610 states and 2087 transitions. [2022-10-16 14:03:51,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2022-10-16 14:03:51,040 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:03:51,040 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:03:51,040 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 14:03:51,040 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting kref_subErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [kref_subErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, kref_subErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, dlfb_urb_completionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 151 more)] === [2022-10-16 14:03:51,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:03:51,041 INFO L85 PathProgramCache]: Analyzing trace with hash 1692279585, now seen corresponding path program 1 times [2022-10-16 14:03:51,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:03:51,041 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200961409] [2022-10-16 14:03:51,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:03:51,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:03:51,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:51,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:03:51,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:51,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 14:03:51,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:51,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-16 14:03:51,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:52,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 14:03:52,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:52,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-10-16 14:03:52,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:52,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:03:52,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:52,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:03:52,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:52,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:03:52,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:52,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-16 14:03:52,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:52,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:03:52,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:52,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:03:52,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:52,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:03:52,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:52,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-16 14:03:52,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:52,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:03:52,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:52,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:03:52,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:52,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:03:52,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:52,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-10-16 14:03:52,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:52,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:03:52,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:52,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:03:52,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:52,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:03:52,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:52,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-10-16 14:03:52,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:52,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:03:52,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:52,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:03:52,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:52,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:03:52,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:52,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-10-16 14:03:52,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:52,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-10-16 14:03:52,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:52,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-10-16 14:03:52,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:52,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-10-16 14:03:52,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:52,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:03:52,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:52,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:03:52,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:52,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:03:52,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:52,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 14:03:52,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:52,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-16 14:03:52,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:52,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:03:52,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:52,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-10-16 14:03:52,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:52,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-10-16 14:03:52,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:52,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-10-16 14:03:52,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:52,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:03:52,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:52,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:03:52,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:52,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:03:52,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:52,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 14:03:52,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:52,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-16 14:03:52,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:52,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:03:52,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:52,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-10-16 14:03:52,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:52,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2022-10-16 14:03:52,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:52,914 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 413 trivial. 0 not checked. [2022-10-16 14:03:52,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:03:52,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200961409] [2022-10-16 14:03:52,915 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200961409] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:03:52,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [745050860] [2022-10-16 14:03:52,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:03:52,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:03:52,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:03:52,917 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) [2022-10-16 14:03:52,939 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-10-16 14:03:53,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:53,907 INFO L263 TraceCheckSpWp]: Trace formula consists of 2688 conjuncts, 74 conjunts are in the unsatisfiable core [2022-10-16 14:03:53,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:03:54,209 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2022-10-16 14:03:54,211 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 14:03:54,211 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [745050860] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:03:54,211 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 14:03:54,211 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [12] total 19 [2022-10-16 14:03:54,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360652702] [2022-10-16 14:03:54,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:03:54,213 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 14:03:54,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:03:54,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 14:03:54,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=306, Unknown=0, NotChecked=0, Total=342 [2022-10-16 14:03:54,215 INFO L87 Difference]: Start difference. First operand 1610 states and 2087 transitions. Second operand has 9 states, 9 states have (on average 12.0) internal successors, (108), 7 states have internal predecessors, (108), 2 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (33), 4 states have call predecessors, (33), 2 states have call successors, (33) [2022-10-16 14:03:54,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:03:54,596 INFO L93 Difference]: Finished difference Result 3422 states and 4471 transitions. [2022-10-16 14:03:54,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 14:03:54,597 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.0) internal successors, (108), 7 states have internal predecessors, (108), 2 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (33), 4 states have call predecessors, (33), 2 states have call successors, (33) Word has length 263 [2022-10-16 14:03:54,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:03:54,612 INFO L225 Difference]: With dead ends: 3422 [2022-10-16 14:03:54,613 INFO L226 Difference]: Without dead ends: 1851 [2022-10-16 14:03:54,622 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 363 GetRequests, 342 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=48, Invalid=414, Unknown=0, NotChecked=0, Total=462 [2022-10-16 14:03:54,623 INFO L413 NwaCegarLoop]: 2148 mSDtfsCounter, 178 mSDsluCounter, 14922 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 17070 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:03:54,623 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [265 Valid, 17070 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:03:54,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1851 states. [2022-10-16 14:03:54,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1851 to 1619. [2022-10-16 14:03:54,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1619 states, 1088 states have (on average 1.3327205882352942) internal successors, (1450), 1246 states have internal predecessors, (1450), 322 states have call successors, (322), 77 states have call predecessors, (322), 79 states have return successors, (328), 310 states have call predecessors, (328), 322 states have call successors, (328) [2022-10-16 14:03:54,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1619 states to 1619 states and 2100 transitions. [2022-10-16 14:03:54,763 INFO L78 Accepts]: Start accepts. Automaton has 1619 states and 2100 transitions. Word has length 263 [2022-10-16 14:03:54,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:03:54,764 INFO L495 AbstractCegarLoop]: Abstraction has 1619 states and 2100 transitions. [2022-10-16 14:03:54,765 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.0) internal successors, (108), 7 states have internal predecessors, (108), 2 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (33), 4 states have call predecessors, (33), 2 states have call successors, (33) [2022-10-16 14:03:54,765 INFO L276 IsEmpty]: Start isEmpty. Operand 1619 states and 2100 transitions. [2022-10-16 14:03:54,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2022-10-16 14:03:54,770 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:03:54,770 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:03:54,820 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-10-16 14:03:54,984 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:03:54,985 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting kref_subErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [kref_subErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, kref_subErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, dlfb_urb_completionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 151 more)] === [2022-10-16 14:03:54,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:03:54,986 INFO L85 PathProgramCache]: Analyzing trace with hash 1843105167, now seen corresponding path program 1 times [2022-10-16 14:03:54,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:03:54,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302819498] [2022-10-16 14:03:54,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:03:54,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:03:55,115 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 14:03:55,115 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [71694446] [2022-10-16 14:03:55,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:03:55,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:03:55,116 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:03:55,117 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:03:55,139 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-10-16 14:03:56,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:03:56,175 INFO L263 TraceCheckSpWp]: Trace formula consists of 2760 conjuncts, 32 conjunts are in the unsatisfiable core [2022-10-16 14:03:56,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:03:56,508 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 47 proven. 36 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2022-10-16 14:03:56,508 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:03:57,478 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 527 trivial. 0 not checked. [2022-10-16 14:03:57,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:03:57,479 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302819498] [2022-10-16 14:03:57,479 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 14:03:57,479 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [71694446] [2022-10-16 14:03:57,480 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [71694446] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:03:57,480 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-10-16 14:03:57,480 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 10] total 20 [2022-10-16 14:03:57,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081029652] [2022-10-16 14:03:57,480 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-10-16 14:03:57,481 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-10-16 14:03:57,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:03:57,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-10-16 14:03:57,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2022-10-16 14:03:57,483 INFO L87 Difference]: Start difference. First operand 1619 states and 2100 transitions. Second operand has 20 states, 16 states have (on average 9.4375) internal successors, (151), 20 states have internal predecessors, (151), 12 states have call successors, (55), 2 states have call predecessors, (55), 7 states have return successors, (54), 8 states have call predecessors, (54), 12 states have call successors, (54) [2022-10-16 14:03:58,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:03:58,838 INFO L93 Difference]: Finished difference Result 3221 states and 4197 transitions. [2022-10-16 14:03:58,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 14:03:58,840 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 16 states have (on average 9.4375) internal successors, (151), 20 states have internal predecessors, (151), 12 states have call successors, (55), 2 states have call predecessors, (55), 7 states have return successors, (54), 8 states have call predecessors, (54), 12 states have call successors, (54) Word has length 284 [2022-10-16 14:03:58,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:03:58,855 INFO L225 Difference]: With dead ends: 3221 [2022-10-16 14:03:58,855 INFO L226 Difference]: Without dead ends: 1629 [2022-10-16 14:03:58,864 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 573 GetRequests, 549 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=89, Invalid=561, Unknown=0, NotChecked=0, Total=650 [2022-10-16 14:03:58,865 INFO L413 NwaCegarLoop]: 2043 mSDtfsCounter, 603 mSDsluCounter, 23584 mSDsCounter, 0 mSdLazyCounter, 547 mSolverCounterSat, 260 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 608 SdHoareTripleChecker+Valid, 25627 SdHoareTripleChecker+Invalid, 807 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 260 IncrementalHoareTripleChecker+Valid, 547 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-16 14:03:58,866 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [608 Valid, 25627 Invalid, 807 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [260 Valid, 547 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-16 14:03:58,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1629 states. [2022-10-16 14:03:58,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1629 to 1627. [2022-10-16 14:03:58,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1627 states, 1093 states have (on average 1.3311985361390668) internal successors, (1455), 1252 states have internal predecessors, (1455), 323 states have call successors, (323), 77 states have call predecessors, (323), 81 states have return successors, (334), 312 states have call predecessors, (334), 323 states have call successors, (334) [2022-10-16 14:03:58,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1627 states to 1627 states and 2112 transitions. [2022-10-16 14:03:58,993 INFO L78 Accepts]: Start accepts. Automaton has 1627 states and 2112 transitions. Word has length 284 [2022-10-16 14:03:58,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:03:58,994 INFO L495 AbstractCegarLoop]: Abstraction has 1627 states and 2112 transitions. [2022-10-16 14:03:58,994 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 16 states have (on average 9.4375) internal successors, (151), 20 states have internal predecessors, (151), 12 states have call successors, (55), 2 states have call predecessors, (55), 7 states have return successors, (54), 8 states have call predecessors, (54), 12 states have call successors, (54) [2022-10-16 14:03:58,995 INFO L276 IsEmpty]: Start isEmpty. Operand 1627 states and 2112 transitions. [2022-10-16 14:03:58,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2022-10-16 14:03:58,999 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:03:59,000 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:03:59,047 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-10-16 14:03:59,214 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:03:59,215 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting kref_subErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [kref_subErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, kref_subErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, dlfb_urb_completionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 151 more)] === [2022-10-16 14:03:59,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:03:59,216 INFO L85 PathProgramCache]: Analyzing trace with hash -222822449, now seen corresponding path program 1 times [2022-10-16 14:03:59,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:03:59,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663173879] [2022-10-16 14:03:59,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:03:59,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:03:59,340 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 14:03:59,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2001535077] [2022-10-16 14:03:59,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:03:59,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:03:59,341 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:03:59,342 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:03:59,355 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-10-16 14:04:00,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:04:00,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 2762 conjuncts, 165 conjunts are in the unsatisfiable core [2022-10-16 14:04:00,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:04:00,389 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-10-16 14:04:00,592 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-10-16 14:04:00,607 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-10-16 14:04:00,629 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-10-16 14:04:00,674 INFO L356 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-10-16 14:04:00,674 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-10-16 14:04:00,719 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-10-16 14:04:00,734 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-10-16 14:04:00,755 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-10-16 14:04:00,798 INFO L356 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-10-16 14:04:00,798 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-10-16 14:04:00,941 INFO L356 Elim1Store]: treesize reduction 93, result has 14.7 percent of original size [2022-10-16 14:04:00,942 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 18 treesize of output 24 [2022-10-16 14:04:01,115 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-10-16 14:04:01,116 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 7 [2022-10-16 14:04:01,169 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-10-16 14:04:01,229 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-10-16 14:04:01,242 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-10-16 14:04:01,261 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-10-16 14:04:01,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 14:04:01,515 INFO L356 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2022-10-16 14:04:01,515 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 14 [2022-10-16 14:04:01,642 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-10-16 14:04:01,756 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 26 treesize of output 29 [2022-10-16 14:04:01,810 WARN L855 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_1959 (Array Int Int))) (= |c_#memory_int| (store |c_old(#memory_int)| |c_usb_set_intfdata_#in~intf#1.base| v_ArrVal_1959))) is different from true [2022-10-16 14:04:01,826 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 16 treesize of output 18 [2022-10-16 14:04:01,881 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-10-16 14:04:02,592 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 [2022-10-16 14:04:02,651 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 102 proven. 85 refuted. 0 times theorem prover too weak. 358 trivial. 0 not checked. [2022-10-16 14:04:02,652 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:04:03,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:04:03,431 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663173879] [2022-10-16 14:04:03,431 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 14:04:03,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2001535077] [2022-10-16 14:04:03,432 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2001535077] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:04:03,432 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-16 14:04:03,432 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2022-10-16 14:04:03,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462801452] [2022-10-16 14:04:03,433 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-16 14:04:03,433 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-10-16 14:04:03,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:04:03,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-10-16 14:04:03,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=1310, Unknown=1, NotChecked=72, Total=1482 [2022-10-16 14:04:03,436 INFO L87 Difference]: Start difference. First operand 1627 states and 2112 transitions. Second operand has 32 states, 29 states have (on average 3.793103448275862) internal successors, (110), 27 states have internal predecessors, (110), 14 states have call successors, (42), 8 states have call predecessors, (42), 11 states have return successors, (40), 15 states have call predecessors, (40), 13 states have call successors, (40) [2022-10-16 14:04:16,448 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 14:04:18,491 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 14:04:20,512 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 14:04:22,537 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 14:04:24,567 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 14:04:26,597 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 14:04:28,627 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 14:04:30,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 14:04:32,676 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 14:04:34,699 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 14:04:36,727 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 14:04:38,749 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 14:04:40,769 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 14:04:42,789 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 14:04:44,814 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 14:04:50,660 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 14:04:52,741 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 14:04:54,819 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 14:04:56,902 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 14:04:58,930 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []