/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--usb--misc--yurex.ko.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 13:59:53,763 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 13:59:53,766 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 13:59:53,815 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 13:59:53,815 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 13:59:53,820 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 13:59:53,824 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 13:59:53,840 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 13:59:53,843 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 13:59:53,850 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 13:59:53,851 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 13:59:53,854 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 13:59:53,855 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 13:59:53,858 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 13:59:53,860 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 13:59:53,866 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 13:59:53,868 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 13:59:53,869 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 13:59:53,873 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 13:59:53,883 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 13:59:53,885 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 13:59:53,887 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 13:59:53,889 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 13:59:53,892 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 13:59:53,901 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 13:59:53,902 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 13:59:53,902 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 13:59:53,905 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 13:59:53,905 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 13:59:53,906 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 13:59:53,907 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 13:59:53,908 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 13:59:53,910 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 13:59:53,911 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 13:59:53,912 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 13:59:53,912 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 13:59:53,913 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 13:59:53,914 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 13:59:53,914 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 13:59:53,915 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 13:59:53,916 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 13:59:53,917 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 13:59:53,979 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 13:59:53,979 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 13:59:53,980 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 13:59:53,981 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 13:59:53,982 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 13:59:53,982 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 13:59:53,986 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 13:59:53,986 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 13:59:53,986 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 13:59:53,987 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 13:59:53,988 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 13:59:53,988 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 13:59:53,988 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 13:59:53,989 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 13:59:53,989 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 13:59:53,989 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 13:59:53,989 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 13:59:53,989 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 13:59:53,990 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 13:59:53,990 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 13:59:53,990 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 13:59:53,990 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 13:59:53,990 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 13:59:53,991 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 13:59:53,991 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 13:59:53,991 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 13:59:53,991 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 13:59:53,991 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 13:59:53,992 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 13:59:53,992 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 13:59:53,992 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 13:59:53,992 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 13:59:53,993 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 13:59:53,993 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 13:59:54,484 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 13:59:54,518 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 13:59:54,522 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 13:59:54,524 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 13:59:54,525 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 13:59:54,526 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--usb--misc--yurex.ko.cil.c [2022-10-16 13:59:54,614 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7fd74c306/fb74dbbef7224c2492209cd85d84f270/FLAGe7d4330e7 [2022-10-16 13:59:55,716 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 13:59:55,717 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--usb--misc--yurex.ko.cil.c [2022-10-16 13:59:55,793 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7fd74c306/fb74dbbef7224c2492209cd85d84f270/FLAGe7d4330e7 [2022-10-16 13:59:56,076 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7fd74c306/fb74dbbef7224c2492209cd85d84f270 [2022-10-16 13:59:56,080 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 13:59:56,087 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 13:59:56,093 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 13:59:56,093 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 13:59:56,099 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 13:59:56,100 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:59:56" (1/1) ... [2022-10-16 13:59:56,101 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@262137f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:59:56, skipping insertion in model container [2022-10-16 13:59:56,101 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:59:56" (1/1) ... [2022-10-16 13:59:56,113 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 13:59:56,345 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 13:59:59,196 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--usb--misc--yurex.ko.cil.c[262247,262260] [2022-10-16 13:59:59,210 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--usb--misc--yurex.ko.cil.c[262821,262834] [2022-10-16 13:59:59,215 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--usb--misc--yurex.ko.cil.c[264020,264033] [2022-10-16 13:59:59,221 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--usb--misc--yurex.ko.cil.c[264728,264741] [2022-10-16 13:59:59,226 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--usb--misc--yurex.ko.cil.c[265169,265182] [2022-10-16 13:59:59,230 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--usb--misc--yurex.ko.cil.c[265401,265414] [2022-10-16 13:59:59,234 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--usb--misc--yurex.ko.cil.c[265979,265992] [2022-10-16 13:59:59,242 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--usb--misc--yurex.ko.cil.c[266569,266582] [2022-10-16 13:59:59,246 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--usb--misc--yurex.ko.cil.c[266986,266999] [2022-10-16 13:59:59,250 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--usb--misc--yurex.ko.cil.c[267383,267396] [2022-10-16 13:59:59,255 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--usb--misc--yurex.ko.cil.c[267618,267631] [2022-10-16 13:59:59,261 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--usb--misc--yurex.ko.cil.c[268366,268379] [2022-10-16 13:59:59,265 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--usb--misc--yurex.ko.cil.c[268787,268800] [2022-10-16 13:59:59,274 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--usb--misc--yurex.ko.cil.c[269414,269427] [2022-10-16 13:59:59,281 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--usb--misc--yurex.ko.cil.c[269829,269842] [2022-10-16 13:59:59,285 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--usb--misc--yurex.ko.cil.c[270473,270486] [2022-10-16 13:59:59,297 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--usb--misc--yurex.ko.cil.c[271203,271216] [2022-10-16 13:59:59,302 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--usb--misc--yurex.ko.cil.c[272039,272052] [2022-10-16 13:59:59,308 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--usb--misc--yurex.ko.cil.c[273385,273398] [2022-10-16 13:59:59,313 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--usb--misc--yurex.ko.cil.c[273783,273796] [2022-10-16 13:59:59,317 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--usb--misc--yurex.ko.cil.c[274340,274353] [2022-10-16 13:59:59,321 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--usb--misc--yurex.ko.cil.c[274723,274736] [2022-10-16 13:59:59,325 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--usb--misc--yurex.ko.cil.c[275339,275352] [2022-10-16 13:59:59,329 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--usb--misc--yurex.ko.cil.c[275913,275926] [2022-10-16 13:59:59,335 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--usb--misc--yurex.ko.cil.c[276826,276839] [2022-10-16 13:59:59,340 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--usb--misc--yurex.ko.cil.c[277217,277230] [2022-10-16 13:59:59,345 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--usb--misc--yurex.ko.cil.c[277446,277459] [2022-10-16 13:59:59,349 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--usb--misc--yurex.ko.cil.c[277852,277865] [2022-10-16 13:59:59,356 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--usb--misc--yurex.ko.cil.c[278709,278722] [2022-10-16 13:59:59,362 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--usb--misc--yurex.ko.cil.c[279116,279129] [2022-10-16 13:59:59,364 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 13:59:59,403 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 13:59:59,858 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--usb--misc--yurex.ko.cil.c[262247,262260] [2022-10-16 13:59:59,859 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--usb--misc--yurex.ko.cil.c[262821,262834] [2022-10-16 13:59:59,860 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--usb--misc--yurex.ko.cil.c[264020,264033] [2022-10-16 13:59:59,861 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--usb--misc--yurex.ko.cil.c[264728,264741] [2022-10-16 13:59:59,861 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--usb--misc--yurex.ko.cil.c[265169,265182] [2022-10-16 13:59:59,862 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--usb--misc--yurex.ko.cil.c[265401,265414] [2022-10-16 13:59:59,862 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--usb--misc--yurex.ko.cil.c[265979,265992] [2022-10-16 13:59:59,863 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--usb--misc--yurex.ko.cil.c[266569,266582] [2022-10-16 13:59:59,863 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--usb--misc--yurex.ko.cil.c[266986,266999] [2022-10-16 13:59:59,864 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--usb--misc--yurex.ko.cil.c[267383,267396] [2022-10-16 13:59:59,864 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--usb--misc--yurex.ko.cil.c[267618,267631] [2022-10-16 13:59:59,865 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--usb--misc--yurex.ko.cil.c[268366,268379] [2022-10-16 13:59:59,866 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--usb--misc--yurex.ko.cil.c[268787,268800] [2022-10-16 13:59:59,867 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--usb--misc--yurex.ko.cil.c[269414,269427] [2022-10-16 13:59:59,867 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--usb--misc--yurex.ko.cil.c[269829,269842] [2022-10-16 13:59:59,868 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--usb--misc--yurex.ko.cil.c[270473,270486] [2022-10-16 13:59:59,869 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--usb--misc--yurex.ko.cil.c[271203,271216] [2022-10-16 13:59:59,870 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--usb--misc--yurex.ko.cil.c[272039,272052] [2022-10-16 13:59:59,871 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--usb--misc--yurex.ko.cil.c[273385,273398] [2022-10-16 13:59:59,871 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--usb--misc--yurex.ko.cil.c[273783,273796] [2022-10-16 13:59:59,872 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--usb--misc--yurex.ko.cil.c[274340,274353] [2022-10-16 13:59:59,875 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--usb--misc--yurex.ko.cil.c[274723,274736] [2022-10-16 13:59:59,877 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--usb--misc--yurex.ko.cil.c[275339,275352] [2022-10-16 13:59:59,878 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--usb--misc--yurex.ko.cil.c[275913,275926] [2022-10-16 13:59:59,879 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--usb--misc--yurex.ko.cil.c[276826,276839] [2022-10-16 13:59:59,879 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--usb--misc--yurex.ko.cil.c[277217,277230] [2022-10-16 13:59:59,880 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--usb--misc--yurex.ko.cil.c[277446,277459] [2022-10-16 13:59:59,880 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--usb--misc--yurex.ko.cil.c[277852,277865] [2022-10-16 13:59:59,881 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--usb--misc--yurex.ko.cil.c[278709,278722] [2022-10-16 13:59:59,882 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--usb--misc--yurex.ko.cil.c[279116,279129] [2022-10-16 13:59:59,883 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 14:00:00,156 INFO L208 MainTranslator]: Completed translation [2022-10-16 14:00:00,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:00:00 WrapperNode [2022-10-16 14:00:00,157 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 14:00:00,158 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 14:00:00,158 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 14:00:00,158 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 14:00:00,167 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:00:00" (1/1) ... [2022-10-16 14:00:00,289 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:00:00" (1/1) ... [2022-10-16 14:00:00,430 INFO L138 Inliner]: procedures = 534, calls = 1324, calls flagged for inlining = 212, calls inlined = 138, statements flattened = 2655 [2022-10-16 14:00:00,430 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 14:00:00,432 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 14:00:00,432 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 14:00:00,432 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 14:00:00,443 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:00:00" (1/1) ... [2022-10-16 14:00:00,443 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:00:00" (1/1) ... [2022-10-16 14:00:00,473 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:00:00" (1/1) ... [2022-10-16 14:00:00,473 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:00:00" (1/1) ... [2022-10-16 14:00:00,595 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:00:00" (1/1) ... [2022-10-16 14:00:00,624 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:00:00" (1/1) ... [2022-10-16 14:00:00,659 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:00:00" (1/1) ... [2022-10-16 14:00:00,678 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:00:00" (1/1) ... [2022-10-16 14:00:00,707 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 14:00:00,709 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 14:00:00,709 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 14:00:00,709 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 14:00:00,717 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:00:00" (1/1) ... [2022-10-16 14:00:00,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 14:00:00,740 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:00:00,765 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 14:00:00,793 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 14:00:00,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-10-16 14:00:00,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-10-16 14:00:00,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-10-16 14:00:00,844 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-10-16 14:00:00,844 INFO L130 BoogieDeclarations]: Found specification of procedure fasync_helper [2022-10-16 14:00:00,844 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_net_sock [2022-10-16 14:00:00,844 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_net_sock [2022-10-16 14:00:00,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-16 14:00:00,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-16 14:00:00,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-10-16 14:00:00,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-10-16 14:00:00,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_usb_alloc_coherent [2022-10-16 14:00:00,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_usb_alloc_coherent [2022-10-16 14:00:00,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_usb_yurex [2022-10-16 14:00:00,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_usb_yurex [2022-10-16 14:00:00,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-10-16 14:00:00,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-10-16 14:00:00,849 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_arch_io [2022-10-16 14:00:00,849 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_arch_io [2022-10-16 14:00:00,849 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister_dev [2022-10-16 14:00:00,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-10-16 14:00:00,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-10-16 14:00:00,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-10-16 14:00:00,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-10-16 14:00:00,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-10-16 14:00:00,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-10-16 14:00:00,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-10-16 14:00:00,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-10-16 14:00:00,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-10-16 14:00:00,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-10-16 14:00:00,851 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_alloc_irq [2022-10-16 14:00:00,851 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_alloc_irq [2022-10-16 14:00:00,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 14:00:00,852 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_rcu_update_lock [2022-10-16 14:00:00,852 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_rcu_update_lock [2022-10-16 14:00:00,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-10-16 14:00:00,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-10-16 14:00:00,854 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-10-16 14:00:00,854 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-10-16 14:00:00,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-16 14:00:00,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-10-16 14:00:00,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-10-16 14:00:00,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-10-16 14:00:00,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-10-16 14:00:00,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 14:00:00,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-10-16 14:00:00,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-10-16 14:00:00,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-10-16 14:00:00,856 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_block_queue [2022-10-16 14:00:00,856 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_block_queue [2022-10-16 14:00:00,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-10-16 14:00:00,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-10-16 14:00:00,857 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-10-16 14:00:00,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-10-16 14:00:00,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-10-16 14:00:00,857 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_locking_mutex [2022-10-16 14:00:00,857 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_locking_mutex [2022-10-16 14:00:00,858 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_usb_dev [2022-10-16 14:00:00,858 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_usb_dev [2022-10-16 14:00:00,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-10-16 14:00:00,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-10-16 14:00:00,859 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_locking_spinlock [2022-10-16 14:00:00,860 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_locking_spinlock [2022-10-16 14:00:00,861 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2022-10-16 14:00:00,862 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2022-10-16 14:00:00,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-10-16 14:00:00,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-10-16 14:00:00,871 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_block_genhd [2022-10-16 14:00:00,871 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_block_genhd [2022-10-16 14:00:00,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-16 14:00:00,871 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_rcu_update_lock_sched [2022-10-16 14:00:00,871 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_rcu_update_lock_sched [2022-10-16 14:00:00,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 14:00:00,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-10-16 14:00:00,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-10-16 14:00:00,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-16 14:00:00,874 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-10-16 14:00:00,874 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-10-16 14:00:00,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-10-16 14:00:00,875 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-10-16 14:00:00,875 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2022-10-16 14:00:00,875 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-10-16 14:00:00,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-10-16 14:00:00,875 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2022-10-16 14:00:00,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_irq_check_alloc_flags [2022-10-16 14:00:00,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_irq_check_alloc_flags [2022-10-16 14:00:00,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_io_mutex_of_usb_yurex [2022-10-16 14:00:00,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_io_mutex_of_usb_yurex [2022-10-16 14:00:00,876 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-10-16 14:00:00,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-10-16 14:00:00,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-10-16 14:00:00,876 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-10-16 14:00:00,876 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2022-10-16 14:00:00,876 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2022-10-16 14:00:00,876 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-10-16 14:00:00,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 14:00:00,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 14:00:00,877 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-10-16 14:00:00,877 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-10-16 14:00:00,877 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2022-10-16 14:00:00,877 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2022-10-16 14:00:00,877 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_rcu_update_lock_bh [2022-10-16 14:00:00,878 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_rcu_update_lock_bh [2022-10-16 14:00:00,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-10-16 14:00:00,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-10-16 14:00:00,878 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-10-16 14:00:00,878 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-10-16 14:00:00,878 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-16 14:00:00,878 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-16 14:00:00,878 INFO L130 BoogieDeclarations]: Found specification of procedure usb_find_interface [2022-10-16 14:00:00,879 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_alloc_usb_lock [2022-10-16 14:00:00,879 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_alloc_usb_lock [2022-10-16 14:00:00,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-10-16 14:00:00,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-10-16 14:00:00,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_usb_free_urb [2022-10-16 14:00:00,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_usb_free_urb [2022-10-16 14:00:00,879 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_fs_sysfs [2022-10-16 14:00:00,879 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_fs_sysfs [2022-10-16 14:00:00,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-10-16 14:00:00,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-10-16 14:00:00,880 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-16 14:00:00,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-10-16 14:00:00,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-10-16 14:00:00,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-16 14:00:00,880 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_usb_coherent [2022-10-16 14:00:00,880 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_usb_coherent [2022-10-16 14:00:00,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_usb_free_coherent [2022-10-16 14:00:00,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_usb_free_coherent [2022-10-16 14:00:00,881 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_locking_rwlock [2022-10-16 14:00:00,881 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_locking_rwlock [2022-10-16 14:00:00,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_101 [2022-10-16 14:00:00,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_101 [2022-10-16 14:00:00,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-16 14:00:00,882 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-10-16 14:00:00,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-10-16 14:00:00,882 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_drivers_base_class [2022-10-16 14:00:00,882 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_drivers_base_class [2022-10-16 14:00:00,882 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-10-16 14:00:00,882 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_module [2022-10-16 14:00:00,883 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_module [2022-10-16 14:00:00,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-10-16 14:00:00,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-10-16 14:00:00,883 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-10-16 14:00:00,883 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-10-16 14:00:00,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-10-16 14:00:00,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-10-16 14:00:00,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-10-16 14:00:00,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-10-16 14:00:00,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_usb_lock_check_alloc_flags [2022-10-16 14:00:00,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_usb_lock_check_alloc_flags [2022-10-16 14:00:00,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_usb_alloc_urb [2022-10-16 14:00:00,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_usb_alloc_urb [2022-10-16 14:00:00,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-10-16 14:00:00,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-10-16 14:00:00,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-10-16 14:00:00,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-10-16 14:00:00,885 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2022-10-16 14:00:00,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-10-16 14:00:00,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-10-16 14:00:00,885 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-10-16 14:00:00,885 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_fs_char_dev [2022-10-16 14:00:00,885 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_fs_char_dev [2022-10-16 14:00:00,885 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-10-16 14:00:00,886 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-10-16 14:00:00,886 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_usb_gadget [2022-10-16 14:00:00,886 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_usb_gadget [2022-10-16 14:00:00,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-10-16 14:00:00,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-10-16 14:00:00,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_io_mutex_of_usb_yurex [2022-10-16 14:00:00,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_io_mutex_of_usb_yurex [2022-10-16 14:00:00,887 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-16 14:00:00,887 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_net_rtnetlink [2022-10-16 14:00:00,887 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_net_rtnetlink [2022-10-16 14:00:00,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-10-16 14:00:00,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-10-16 14:00:00,887 INFO L130 BoogieDeclarations]: Found specification of procedure kill_fasync [2022-10-16 14:00:00,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 14:00:00,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-10-16 14:00:00,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-10-16 14:00:00,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-16 14:00:00,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-16 14:00:00,888 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_block_request [2022-10-16 14:00:00,888 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_block_request [2022-10-16 14:00:00,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-10-16 14:00:00,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-10-16 14:00:00,888 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_lib_idr [2022-10-16 14:00:00,889 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_lib_idr [2022-10-16 14:00:00,889 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_usb_urb [2022-10-16 14:00:00,889 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_usb_urb [2022-10-16 14:00:00,889 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-10-16 14:00:00,889 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2022-10-16 14:00:00,889 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_dev [2022-10-16 14:00:00,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-10-16 14:00:00,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-10-16 14:00:00,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-10-16 14:00:00,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-10-16 14:00:00,900 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2022-10-16 14:00:00,900 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoull [2022-10-16 14:00:00,900 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_mmc_sdio_func [2022-10-16 14:00:00,900 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_mmc_sdio_func [2022-10-16 14:00:00,900 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2022-10-16 14:00:00,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 14:00:00,900 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_rcu_srcu [2022-10-16 14:00:00,901 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_rcu_srcu [2022-10-16 14:00:00,901 INFO L130 BoogieDeclarations]: Found specification of procedure yurex_disconnect [2022-10-16 14:00:00,901 INFO L138 BoogieDeclarations]: Found implementation of procedure yurex_disconnect [2022-10-16 14:00:01,576 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 14:00:01,580 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 14:00:05,687 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 14:00:05,705 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 14:00:05,705 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-16 14:00:05,709 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:00:05 BoogieIcfgContainer [2022-10-16 14:00:05,709 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 14:00:05,712 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 14:00:05,712 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 14:00:05,716 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 14:00:05,716 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 01:59:56" (1/3) ... [2022-10-16 14:00:05,717 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ad65b6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:00:05, skipping insertion in model container [2022-10-16 14:00:05,717 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:00:00" (2/3) ... [2022-10-16 14:00:05,718 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ad65b6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:00:05, skipping insertion in model container [2022-10-16 14:00:05,718 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:00:05" (3/3) ... [2022-10-16 14:00:05,719 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--usb--misc--yurex.ko.cil.c [2022-10-16 14:00:05,742 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 14:00:05,743 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 36 error locations. [2022-10-16 14:00:05,836 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 14:00:05,844 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;@44fc4afd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 14:00:05,844 INFO L358 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2022-10-16 14:00:05,854 INFO L276 IsEmpty]: Start isEmpty. Operand has 1012 states, 660 states have (on average 1.2954545454545454) internal successors, (855), 740 states have internal predecessors, (855), 233 states have call successors, (233), 82 states have call predecessors, (233), 82 states have return successors, (233), 228 states have call predecessors, (233), 233 states have call successors, (233) [2022-10-16 14:00:05,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2022-10-16 14:00:05,881 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:00:05,882 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 6, 6, 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] [2022-10-16 14:00:05,883 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [kref_subErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, kref_subErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_linux_usb_urb_usb_alloc_urbErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2022-10-16 14:00:05,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:00:05,889 INFO L85 PathProgramCache]: Analyzing trace with hash -47393601, now seen corresponding path program 1 times [2022-10-16 14:00:05,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:00:05,901 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148414048] [2022-10-16 14:00:05,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:00:05,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:00:06,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:06,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:00:06,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:06,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 14:00:06,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:06,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-16 14:00:06,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:06,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 14:00:06,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:06,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 14:00:06,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:06,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-16 14:00:06,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:06,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-10-16 14:00:06,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:06,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:00:06,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:06,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-10-16 14:00:06,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:06,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-10-16 14:00:06,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:06,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-10-16 14:00:06,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:06,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-10-16 14:00:06,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:06,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:00:06,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:06,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:00:06,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:06,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:00:06,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:06,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-10-16 14:00:06,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:06,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:00:06,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:06,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:00:06,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:06,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:00:06,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:06,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-10-16 14:00:06,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:06,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:00:06,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:06,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:00:06,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:06,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:00:06,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:06,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-10-16 14:00:06,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:06,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-10-16 14:00:06,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:06,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-10-16 14:00:06,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:06,954 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2022-10-16 14:00:06,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:00:06,955 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148414048] [2022-10-16 14:00:06,956 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [148414048] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:00:06,956 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:00:06,956 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 14:00:06,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551025170] [2022-10-16 14:00:06,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:00:06,964 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 14:00:06,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:00:06,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 14:00:06,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 14:00:07,002 INFO L87 Difference]: Start difference. First operand has 1012 states, 660 states have (on average 1.2954545454545454) internal successors, (855), 740 states have internal predecessors, (855), 233 states have call successors, (233), 82 states have call predecessors, (233), 82 states have return successors, (233), 228 states have call predecessors, (233), 233 states have call successors, (233) Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (20), 4 states have call predecessors, (20), 2 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2022-10-16 14:00:09,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:00:09,856 INFO L93 Difference]: Finished difference Result 2000 states and 2789 transitions. [2022-10-16 14:00:09,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 14:00:09,859 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (20), 4 states have call predecessors, (20), 2 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 155 [2022-10-16 14:00:09,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:00:09,881 INFO L225 Difference]: With dead ends: 2000 [2022-10-16 14:00:09,881 INFO L226 Difference]: Without dead ends: 772 [2022-10-16 14:00:09,894 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-16 14:00:09,898 INFO L413 NwaCegarLoop]: 1183 mSDtfsCounter, 1094 mSDsluCounter, 1195 mSDsCounter, 0 mSdLazyCounter, 723 mSolverCounterSat, 837 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1094 SdHoareTripleChecker+Valid, 2378 SdHoareTripleChecker+Invalid, 1560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 837 IncrementalHoareTripleChecker+Valid, 723 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-10-16 14:00:09,899 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1094 Valid, 2378 Invalid, 1560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [837 Valid, 723 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-10-16 14:00:09,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 772 states. [2022-10-16 14:00:10,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 772 to 740. [2022-10-16 14:00:10,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 740 states, 510 states have (on average 1.3019607843137255) internal successors, (664), 557 states have internal predecessors, (664), 157 states have call successors, (157), 37 states have call predecessors, (157), 37 states have return successors, (157), 153 states have call predecessors, (157), 157 states have call successors, (157) [2022-10-16 14:00:10,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 740 states to 740 states and 978 transitions. [2022-10-16 14:00:10,042 INFO L78 Accepts]: Start accepts. Automaton has 740 states and 978 transitions. Word has length 155 [2022-10-16 14:00:10,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:00:10,043 INFO L495 AbstractCegarLoop]: Abstraction has 740 states and 978 transitions. [2022-10-16 14:00:10,043 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (20), 4 states have call predecessors, (20), 2 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2022-10-16 14:00:10,044 INFO L276 IsEmpty]: Start isEmpty. Operand 740 states and 978 transitions. [2022-10-16 14:00:10,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2022-10-16 14:00:10,048 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:00:10,049 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 6, 6, 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] [2022-10-16 14:00:10,049 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 14:00:10,050 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [kref_subErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, kref_subErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_linux_usb_urb_usb_alloc_urbErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2022-10-16 14:00:10,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:00:10,050 INFO L85 PathProgramCache]: Analyzing trace with hash 1906726271, now seen corresponding path program 1 times [2022-10-16 14:00:10,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:00:10,051 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803216444] [2022-10-16 14:00:10,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:00:10,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:00:10,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:12,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:00:12,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:12,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 14:00:12,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:12,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-16 14:00:12,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:12,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 14:00:12,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:12,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 14:00:12,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:12,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-16 14:00:12,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:12,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-10-16 14:00:12,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:12,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:00:12,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:12,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-10-16 14:00:12,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:12,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-10-16 14:00:12,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:12,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-10-16 14:00:12,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:12,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-10-16 14:00:12,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:12,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:00:12,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:12,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:00:12,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:12,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:00:12,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:12,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-10-16 14:00:12,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:12,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:00:12,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:12,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:00:12,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:12,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:00:12,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:12,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-10-16 14:00:12,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:12,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:00:12,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:12,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:00:12,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:12,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:00:12,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:12,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-10-16 14:00:12,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:12,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-10-16 14:00:12,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:12,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-10-16 14:00:12,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:12,624 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 9 proven. 18 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2022-10-16 14:00:12,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:00:12,625 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803216444] [2022-10-16 14:00:12,625 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803216444] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:00:12,626 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1098293505] [2022-10-16 14:00:12,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:00:12,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:00:12,626 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:00:12,628 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 14:00:12,638 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 14:00:13,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:13,187 INFO L263 TraceCheckSpWp]: Trace formula consists of 1684 conjuncts, 29 conjunts are in the unsatisfiable core [2022-10-16 14:00:13,202 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:00:13,730 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2022-10-16 14:00:13,730 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 14:00:13,730 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1098293505] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:00:13,730 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 14:00:13,731 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [21] total 32 [2022-10-16 14:00:13,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896290251] [2022-10-16 14:00:13,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:00:13,733 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-10-16 14:00:13,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:00:13,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-10-16 14:00:13,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=922, Unknown=0, NotChecked=0, Total=992 [2022-10-16 14:00:13,738 INFO L87 Difference]: Start difference. First operand 740 states and 978 transitions. Second operand has 18 states, 17 states have (on average 3.6470588235294117) internal successors, (62), 17 states have internal predecessors, (62), 7 states have call successors, (20), 2 states have call predecessors, (20), 4 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) [2022-10-16 14:00:14,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:00:14,759 INFO L93 Difference]: Finished difference Result 1489 states and 1967 transitions. [2022-10-16 14:00:14,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-10-16 14:00:14,760 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.6470588235294117) internal successors, (62), 17 states have internal predecessors, (62), 7 states have call successors, (20), 2 states have call predecessors, (20), 4 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) Word has length 155 [2022-10-16 14:00:14,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:00:14,767 INFO L225 Difference]: With dead ends: 1489 [2022-10-16 14:00:14,767 INFO L226 Difference]: Without dead ends: 737 [2022-10-16 14:00:14,771 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=248, Invalid=1644, Unknown=0, NotChecked=0, Total=1892 [2022-10-16 14:00:14,777 INFO L413 NwaCegarLoop]: 942 mSDtfsCounter, 68 mSDsluCounter, 14947 mSDsCounter, 0 mSdLazyCounter, 765 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 15889 SdHoareTripleChecker+Invalid, 825 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 765 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 14:00:14,778 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 15889 Invalid, 825 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 765 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 14:00:14,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 737 states. [2022-10-16 14:00:14,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 737 to 737. [2022-10-16 14:00:14,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 737 states, 510 states have (on average 1.2941176470588236) internal successors, (660), 554 states have internal predecessors, (660), 154 states have call successors, (154), 37 states have call predecessors, (154), 37 states have return successors, (154), 152 states have call predecessors, (154), 154 states have call successors, (154) [2022-10-16 14:00:14,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 737 states and 968 transitions. [2022-10-16 14:00:14,862 INFO L78 Accepts]: Start accepts. Automaton has 737 states and 968 transitions. Word has length 155 [2022-10-16 14:00:14,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:00:14,865 INFO L495 AbstractCegarLoop]: Abstraction has 737 states and 968 transitions. [2022-10-16 14:00:14,865 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.6470588235294117) internal successors, (62), 17 states have internal predecessors, (62), 7 states have call successors, (20), 2 states have call predecessors, (20), 4 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) [2022-10-16 14:00:14,865 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 968 transitions. [2022-10-16 14:00:14,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2022-10-16 14:00:14,870 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:00:14,871 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 6, 6, 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] [2022-10-16 14:00:14,913 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-10-16 14:00:15,084 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:00:15,085 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [kref_subErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, kref_subErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_linux_usb_urb_usb_alloc_urbErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2022-10-16 14:00:15,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:00:15,086 INFO L85 PathProgramCache]: Analyzing trace with hash 1750745729, now seen corresponding path program 1 times [2022-10-16 14:00:15,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:00:15,087 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744402685] [2022-10-16 14:00:15,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:00:15,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:00:15,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:15,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:00:15,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:15,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 14:00:15,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:15,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-16 14:00:15,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:15,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 14:00:15,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:15,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 14:00:15,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:15,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-16 14:00:15,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:15,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-10-16 14:00:15,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:15,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:00:15,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:15,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-10-16 14:00:15,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:15,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-10-16 14:00:15,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:15,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-10-16 14:00:15,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:15,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-10-16 14:00:15,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:15,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:00:15,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:15,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:00:15,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:15,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:00:15,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:15,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-10-16 14:00:15,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:15,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:00:15,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:15,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:00:15,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:15,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:00:15,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:15,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-10-16 14:00:15,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:15,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:00:15,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:15,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:00:15,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:15,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:00:15,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:15,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-10-16 14:00:15,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:15,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-10-16 14:00:15,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:15,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-10-16 14:00:15,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:15,856 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2022-10-16 14:00:15,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:00:15,857 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744402685] [2022-10-16 14:00:15,857 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [744402685] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:00:15,857 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1891597279] [2022-10-16 14:00:15,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:00:15,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:00:15,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:00:15,859 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 14:00:15,904 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 14:00:16,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:16,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 1682 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-16 14:00:16,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:00:16,537 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2022-10-16 14:00:16,537 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 14:00:16,538 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1891597279] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:00:16,538 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 14:00:16,538 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 9 [2022-10-16 14:00:16,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962721943] [2022-10-16 14:00:16,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:00:16,539 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 14:00:16,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:00:16,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 14:00:16,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 14:00:16,547 INFO L87 Difference]: Start difference. First operand 737 states and 968 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 3 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-10-16 14:00:16,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:00:16,988 INFO L93 Difference]: Finished difference Result 1214 states and 1577 transitions. [2022-10-16 14:00:16,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 14:00:16,989 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 3 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 155 [2022-10-16 14:00:16,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:00:16,995 INFO L225 Difference]: With dead ends: 1214 [2022-10-16 14:00:16,995 INFO L226 Difference]: Without dead ends: 737 [2022-10-16 14:00:16,997 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2022-10-16 14:00:16,998 INFO L413 NwaCegarLoop]: 942 mSDtfsCounter, 750 mSDsluCounter, 2777 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 212 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 750 SdHoareTripleChecker+Valid, 3719 SdHoareTripleChecker+Invalid, 360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 212 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 14:00:16,999 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [750 Valid, 3719 Invalid, 360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [212 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 14:00:17,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 737 states. [2022-10-16 14:00:17,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 737 to 735. [2022-10-16 14:00:17,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 735 states, 509 states have (on average 1.2927308447937131) internal successors, (658), 553 states have internal predecessors, (658), 153 states have call successors, (153), 37 states have call predecessors, (153), 37 states have return successors, (153), 151 states have call predecessors, (153), 153 states have call successors, (153) [2022-10-16 14:00:17,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 735 states and 964 transitions. [2022-10-16 14:00:17,053 INFO L78 Accepts]: Start accepts. Automaton has 735 states and 964 transitions. Word has length 155 [2022-10-16 14:00:17,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:00:17,054 INFO L495 AbstractCegarLoop]: Abstraction has 735 states and 964 transitions. [2022-10-16 14:00:17,054 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 3 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-10-16 14:00:17,054 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 964 transitions. [2022-10-16 14:00:17,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2022-10-16 14:00:17,057 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:00:17,058 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2022-10-16 14:00:17,102 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 14:00:17,272 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-10-16 14:00:17,272 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [kref_subErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, kref_subErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_linux_usb_urb_usb_alloc_urbErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2022-10-16 14:00:17,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:00:17,274 INFO L85 PathProgramCache]: Analyzing trace with hash 995653624, now seen corresponding path program 1 times [2022-10-16 14:00:17,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:00:17,274 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055093711] [2022-10-16 14:00:17,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:00:17,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:00:17,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:17,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:00:17,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:17,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 14:00:17,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:17,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-16 14:00:17,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:17,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 14:00:17,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:17,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-10-16 14:00:17,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:17,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:00:17,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:17,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:00:17,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:17,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:00:17,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:17,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-16 14:00:17,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:17,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:00:17,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:17,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:00:17,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:17,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:00:17,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:17,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-16 14:00:17,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:17,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:00:17,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:17,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:00:17,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:17,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:00:17,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:17,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-10-16 14:00:17,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:17,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:00:17,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:17,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:00:17,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:17,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:00:17,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:17,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-10-16 14:00:17,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:17,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:00:17,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:17,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:00:17,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:17,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:00:17,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:17,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-10-16 14:00:17,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:17,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-10-16 14:00:17,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:17,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-10-16 14:00:17,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:17,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-10-16 14:00:17,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:17,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:00:17,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:17,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:00:17,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:17,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 14:00:17,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:17,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-10-16 14:00:17,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:17,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:00:17,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:17,879 INFO L134 CoverageAnalysis]: Checked inductivity of 383 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2022-10-16 14:00:17,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:00:17,880 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055093711] [2022-10-16 14:00:17,880 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055093711] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:00:17,880 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:00:17,880 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 14:00:17,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208941436] [2022-10-16 14:00:17,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:00:17,881 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 14:00:17,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:00:17,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 14:00:17,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 14:00:17,882 INFO L87 Difference]: Start difference. First operand 735 states and 964 transitions. Second operand has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-10-16 14:00:22,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:00:22,036 INFO L93 Difference]: Finished difference Result 2129 states and 2798 transitions. [2022-10-16 14:00:22,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-16 14:00:22,036 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 200 [2022-10-16 14:00:22,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:00:22,055 INFO L225 Difference]: With dead ends: 2129 [2022-10-16 14:00:22,055 INFO L226 Difference]: Without dead ends: 1458 [2022-10-16 14:00:22,061 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=87, Invalid=185, Unknown=0, NotChecked=0, Total=272 [2022-10-16 14:00:22,063 INFO L413 NwaCegarLoop]: 1432 mSDtfsCounter, 2300 mSDsluCounter, 2440 mSDsCounter, 0 mSdLazyCounter, 1461 mSolverCounterSat, 1180 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2395 SdHoareTripleChecker+Valid, 3872 SdHoareTripleChecker+Invalid, 2641 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1180 IncrementalHoareTripleChecker+Valid, 1461 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-10-16 14:00:22,065 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2395 Valid, 3872 Invalid, 2641 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1180 Valid, 1461 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-10-16 14:00:22,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1458 states. [2022-10-16 14:00:22,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1458 to 1372. [2022-10-16 14:00:22,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1372 states, 977 states have (on average 1.2906857727737973) internal successors, (1261), 1027 states have internal predecessors, (1261), 285 states have call successors, (285), 72 states have call predecessors, (285), 76 states have return successors, (299), 285 states have call predecessors, (299), 285 states have call successors, (299) [2022-10-16 14:00:22,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1372 states to 1372 states and 1845 transitions. [2022-10-16 14:00:22,181 INFO L78 Accepts]: Start accepts. Automaton has 1372 states and 1845 transitions. Word has length 200 [2022-10-16 14:00:22,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:00:22,188 INFO L495 AbstractCegarLoop]: Abstraction has 1372 states and 1845 transitions. [2022-10-16 14:00:22,189 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-10-16 14:00:22,189 INFO L276 IsEmpty]: Start isEmpty. Operand 1372 states and 1845 transitions. [2022-10-16 14:00:22,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2022-10-16 14:00:22,194 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:00:22,194 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, 1] [2022-10-16 14:00:22,195 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 14:00:22,195 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting kref_subErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [kref_subErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, kref_subErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_linux_usb_urb_usb_alloc_urbErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2022-10-16 14:00:22,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:00:22,195 INFO L85 PathProgramCache]: Analyzing trace with hash 1338988420, now seen corresponding path program 1 times [2022-10-16 14:00:22,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:00:22,196 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443847040] [2022-10-16 14:00:22,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:00:22,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:00:22,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:22,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:00:22,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:22,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 14:00:22,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:22,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-16 14:00:22,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:22,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 14:00:22,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:22,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-10-16 14:00:22,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:22,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:00:22,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:22,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:00:22,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:22,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:00:22,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:22,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-16 14:00:22,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:22,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:00:22,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:22,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:00:22,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:22,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:00:22,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:22,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-16 14:00:22,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:22,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:00:22,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:22,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:00:22,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:22,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:00:22,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:22,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-10-16 14:00:22,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:22,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:00:22,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:22,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:00:22,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:22,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:00:22,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:22,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-10-16 14:00:22,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:22,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:00:22,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:22,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:00:22,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:22,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:00:22,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:22,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-10-16 14:00:22,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:22,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-10-16 14:00:22,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:22,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-10-16 14:00:22,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:22,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-10-16 14:00:22,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:22,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:00:22,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:22,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:00:22,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:22,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 14:00:22,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:22,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-10-16 14:00:22,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:22,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:00:22,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:22,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-10-16 14:00:22,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:22,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-10-16 14:00:22,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:22,868 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 14:00:22,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:00:22,869 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443847040] [2022-10-16 14:00:22,869 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1443847040] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:00:22,869 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:00:22,869 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 14:00:22,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270587012] [2022-10-16 14:00:22,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:00:22,870 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 14:00:22,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:00:22,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 14:00:22,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 14:00:22,872 INFO L87 Difference]: Start difference. First operand 1372 states and 1845 transitions. Second operand has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-10-16 14:00:27,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:00:27,209 INFO L93 Difference]: Finished difference Result 2486 states and 3384 transitions. [2022-10-16 14:00:27,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 14:00:27,210 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 210 [2022-10-16 14:00:27,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:00:27,225 INFO L225 Difference]: With dead ends: 2486 [2022-10-16 14:00:27,226 INFO L226 Difference]: Without dead ends: 1945 [2022-10-16 14:00:27,229 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 70 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 14:00:27,230 INFO L413 NwaCegarLoop]: 970 mSDtfsCounter, 1144 mSDsluCounter, 1563 mSDsCounter, 0 mSdLazyCounter, 1314 mSolverCounterSat, 1022 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1209 SdHoareTripleChecker+Valid, 2533 SdHoareTripleChecker+Invalid, 2336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1022 IncrementalHoareTripleChecker+Valid, 1314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-10-16 14:00:27,230 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1209 Valid, 2533 Invalid, 2336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1022 Valid, 1314 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-10-16 14:00:27,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1945 states. [2022-10-16 14:00:27,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1945 to 1373. [2022-10-16 14:00:27,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1373 states, 978 states have (on average 1.2903885480572597) internal successors, (1262), 1028 states have internal predecessors, (1262), 285 states have call successors, (285), 72 states have call predecessors, (285), 76 states have return successors, (299), 285 states have call predecessors, (299), 285 states have call successors, (299) [2022-10-16 14:00:27,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1373 states to 1373 states and 1846 transitions. [2022-10-16 14:00:27,470 INFO L78 Accepts]: Start accepts. Automaton has 1373 states and 1846 transitions. Word has length 210 [2022-10-16 14:00:27,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:00:27,471 INFO L495 AbstractCegarLoop]: Abstraction has 1373 states and 1846 transitions. [2022-10-16 14:00:27,472 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-10-16 14:00:27,472 INFO L276 IsEmpty]: Start isEmpty. Operand 1373 states and 1846 transitions. [2022-10-16 14:00:27,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2022-10-16 14:00:27,475 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:00:27,476 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2022-10-16 14:00:27,476 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 14:00:27,476 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [kref_subErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, kref_subErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_linux_usb_urb_usb_alloc_urbErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2022-10-16 14:00:27,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:00:27,477 INFO L85 PathProgramCache]: Analyzing trace with hash -1563806699, now seen corresponding path program 1 times [2022-10-16 14:00:27,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:00:27,477 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544193610] [2022-10-16 14:00:27,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:00:27,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:00:27,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:27,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:00:27,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:27,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 14:00:27,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:27,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-16 14:00:27,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:27,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 14:00:27,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:27,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-10-16 14:00:27,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:27,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:00:27,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:27,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:00:27,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:27,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:00:27,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:27,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-16 14:00:27,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:27,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:00:27,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:27,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:00:27,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:27,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:00:27,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:27,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-16 14:00:27,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:27,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:00:27,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:27,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:00:27,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:27,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:00:27,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:27,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-10-16 14:00:27,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:27,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:00:27,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:27,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:00:27,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:27,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:00:27,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:27,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-10-16 14:00:27,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:27,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:00:27,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:27,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:00:27,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:27,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:00:27,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:27,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-10-16 14:00:27,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:28,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-10-16 14:00:28,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:28,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-10-16 14:00:28,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:28,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-10-16 14:00:28,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:28,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:00:28,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:28,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:00:28,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:28,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 14:00:28,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:28,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-10-16 14:00:28,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:28,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:00:28,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:28,065 INFO L134 CoverageAnalysis]: Checked inductivity of 383 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2022-10-16 14:00:28,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:00:28,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544193610] [2022-10-16 14:00:28,065 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [544193610] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:00:28,065 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:00:28,066 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 14:00:28,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432634551] [2022-10-16 14:00:28,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:00:28,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 14:00:28,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:00:28,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 14:00:28,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 14:00:28,068 INFO L87 Difference]: Start difference. First operand 1373 states and 1846 transitions. Second operand has 7 states, 6 states have (on average 13.833333333333334) internal successors, (83), 3 states have internal predecessors, (83), 1 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2022-10-16 14:00:31,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:00:31,823 INFO L93 Difference]: Finished difference Result 2125 states and 2974 transitions. [2022-10-16 14:00:31,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 14:00:31,825 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), 1 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 210 [2022-10-16 14:00:31,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:00:31,841 INFO L225 Difference]: With dead ends: 2125 [2022-10-16 14:00:31,842 INFO L226 Difference]: Without dead ends: 2123 [2022-10-16 14:00:31,843 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 65 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 14:00:31,844 INFO L413 NwaCegarLoop]: 1045 mSDtfsCounter, 1218 mSDsluCounter, 1706 mSDsCounter, 0 mSdLazyCounter, 1392 mSolverCounterSat, 1098 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1317 SdHoareTripleChecker+Valid, 2751 SdHoareTripleChecker+Invalid, 2490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1098 IncrementalHoareTripleChecker+Valid, 1392 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-10-16 14:00:31,844 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1317 Valid, 2751 Invalid, 2490 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1098 Valid, 1392 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-10-16 14:00:31,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2123 states. [2022-10-16 14:00:32,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2123 to 1397. [2022-10-16 14:00:32,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1397 states, 1002 states have (on average 1.2914171656686626) internal successors, (1294), 1052 states have internal predecessors, (1294), 285 states have call successors, (285), 72 states have call predecessors, (285), 76 states have return successors, (299), 285 states have call predecessors, (299), 285 states have call successors, (299) [2022-10-16 14:00:32,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1397 states to 1397 states and 1878 transitions. [2022-10-16 14:00:32,017 INFO L78 Accepts]: Start accepts. Automaton has 1397 states and 1878 transitions. Word has length 210 [2022-10-16 14:00:32,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:00:32,018 INFO L495 AbstractCegarLoop]: Abstraction has 1397 states and 1878 transitions. [2022-10-16 14:00:32,018 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), 1 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2022-10-16 14:00:32,019 INFO L276 IsEmpty]: Start isEmpty. Operand 1397 states and 1878 transitions. [2022-10-16 14:00:32,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2022-10-16 14:00:32,023 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:00:32,023 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:00:32,023 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 14:00:32,023 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_usb_urb_usb_alloc_urbErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [kref_subErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, kref_subErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_linux_usb_urb_usb_alloc_urbErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2022-10-16 14:00:32,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:00:32,024 INFO L85 PathProgramCache]: Analyzing trace with hash 2037147029, now seen corresponding path program 1 times [2022-10-16 14:00:32,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:00:32,024 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350862349] [2022-10-16 14:00:32,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:00:32,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:00:32,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:32,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:00:32,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:32,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 14:00:32,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:32,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-16 14:00:32,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:32,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 14:00:32,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:32,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-10-16 14:00:32,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:32,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:00:32,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:32,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:00:32,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:32,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:00:32,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:32,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-16 14:00:32,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:32,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:00:32,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:32,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:00:32,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:32,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:00:32,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:32,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-16 14:00:32,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:32,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:00:32,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:32,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:00:32,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:32,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:00:32,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:32,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-10-16 14:00:32,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:32,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:00:32,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:32,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:00:32,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:32,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:00:32,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:32,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-10-16 14:00:32,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:32,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:00:32,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:32,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:00:32,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:32,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:00:32,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:32,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-10-16 14:00:32,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:32,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-10-16 14:00:32,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:32,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-10-16 14:00:32,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:32,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-10-16 14:00:32,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:32,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:00:32,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:32,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:00:32,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:32,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 14:00:32,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:32,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-10-16 14:00:32,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:32,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:00:32,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:32,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-10-16 14:00:32,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:32,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:00:32,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:32,752 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2022-10-16 14:00:32,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:00:32,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350862349] [2022-10-16 14:00:32,753 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350862349] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:00:32,753 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:00:32,753 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 14:00:32,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679594657] [2022-10-16 14:00:32,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:00:32,754 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 14:00:32,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:00:32,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 14:00:32,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 14:00:32,756 INFO L87 Difference]: Start difference. First operand 1397 states and 1878 transitions. Second operand has 7 states, 6 states have (on average 14.333333333333334) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-10-16 14:00:38,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:00:38,153 INFO L93 Difference]: Finished difference Result 2761 states and 3748 transitions. [2022-10-16 14:00:38,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-16 14:00:38,154 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 14.333333333333334) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 220 [2022-10-16 14:00:38,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:00:38,176 INFO L225 Difference]: With dead ends: 2761 [2022-10-16 14:00:38,176 INFO L226 Difference]: Without dead ends: 2757 [2022-10-16 14:00:38,179 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=87, Invalid=185, Unknown=0, NotChecked=0, Total=272 [2022-10-16 14:00:38,180 INFO L413 NwaCegarLoop]: 1392 mSDtfsCounter, 2097 mSDsluCounter, 2939 mSDsCounter, 0 mSdLazyCounter, 1959 mSolverCounterSat, 1007 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2188 SdHoareTripleChecker+Valid, 4331 SdHoareTripleChecker+Invalid, 2966 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1007 IncrementalHoareTripleChecker+Valid, 1959 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-10-16 14:00:38,180 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2188 Valid, 4331 Invalid, 2966 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1007 Valid, 1959 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2022-10-16 14:00:38,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2757 states. [2022-10-16 14:00:38,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2757 to 2645. [2022-10-16 14:00:38,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2645 states, 1910 states have (on average 1.287434554973822) internal successors, (2459), 1974 states have internal predecessors, (2459), 547 states have call successors, (547), 142 states have call predecessors, (547), 154 states have return successors, (611), 553 states have call predecessors, (611), 547 states have call successors, (611) [2022-10-16 14:00:38,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2645 states to 2645 states and 3617 transitions. [2022-10-16 14:00:38,501 INFO L78 Accepts]: Start accepts. Automaton has 2645 states and 3617 transitions. Word has length 220 [2022-10-16 14:00:38,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:00:38,507 INFO L495 AbstractCegarLoop]: Abstraction has 2645 states and 3617 transitions. [2022-10-16 14:00:38,507 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 14.333333333333334) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-10-16 14:00:38,507 INFO L276 IsEmpty]: Start isEmpty. Operand 2645 states and 3617 transitions. [2022-10-16 14:00:38,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2022-10-16 14:00:38,510 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:00:38,510 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:00:38,510 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 14:00:38,510 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting kref_subErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [kref_subErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, kref_subErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_linux_usb_urb_usb_alloc_urbErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2022-10-16 14:00:38,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:00:38,511 INFO L85 PathProgramCache]: Analyzing trace with hash -2091119214, now seen corresponding path program 1 times [2022-10-16 14:00:38,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:00:38,511 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664504437] [2022-10-16 14:00:38,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:00:38,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:00:38,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:39,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:00:39,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:39,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 14:00:39,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:39,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-16 14:00:39,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:39,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 14:00:39,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:39,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-10-16 14:00:39,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:39,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:00:39,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:39,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:00:39,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:39,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:00:39,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:39,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-16 14:00:39,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:39,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:00:39,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:39,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:00:39,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:39,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:00:39,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:39,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-16 14:00:39,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:39,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:00:39,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:39,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:00:39,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:39,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:00:39,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:39,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-10-16 14:00:39,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:39,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:00:39,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:39,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:00:39,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:39,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:00:39,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:39,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-10-16 14:00:39,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:39,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:00:39,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:39,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:00:39,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:39,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:00:39,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:39,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-10-16 14:00:39,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:39,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-10-16 14:00:39,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:39,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-10-16 14:00:39,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:39,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-10-16 14:00:39,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:39,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:00:39,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:39,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:00:39,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:39,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 14:00:39,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:39,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-10-16 14:00:39,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:39,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:00:39,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:39,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-10-16 14:00:39,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:39,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-10-16 14:00:39,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:39,821 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 14:00:39,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:00:39,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664504437] [2022-10-16 14:00:39,822 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664504437] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:00:39,822 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:00:39,822 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-16 14:00:39,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916394193] [2022-10-16 14:00:39,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:00:39,823 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-10-16 14:00:39,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:00:39,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-10-16 14:00:39,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2022-10-16 14:00:39,825 INFO L87 Difference]: Start difference. First operand 2645 states and 3617 transitions. Second operand has 11 states, 11 states have (on average 7.909090909090909) internal successors, (87), 6 states have internal predecessors, (87), 4 states have call successors, (25), 6 states have call predecessors, (25), 3 states have return successors, (23), 5 states have call predecessors, (23), 4 states have call successors, (23) [2022-10-16 14:00:46,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:00:46,991 INFO L93 Difference]: Finished difference Result 5336 states and 7365 transitions. [2022-10-16 14:00:46,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-16 14:00:46,992 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.909090909090909) internal successors, (87), 6 states have internal predecessors, (87), 4 states have call successors, (25), 6 states have call predecessors, (25), 3 states have return successors, (23), 5 states have call predecessors, (23), 4 states have call successors, (23) Word has length 222 [2022-10-16 14:00:46,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:00:47,014 INFO L225 Difference]: With dead ends: 5336 [2022-10-16 14:00:47,014 INFO L226 Difference]: Without dead ends: 2727 [2022-10-16 14:00:47,028 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 68 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=94, Invalid=248, Unknown=0, NotChecked=0, Total=342 [2022-10-16 14:00:47,031 INFO L413 NwaCegarLoop]: 900 mSDtfsCounter, 1503 mSDsluCounter, 2911 mSDsCounter, 0 mSdLazyCounter, 3284 mSolverCounterSat, 715 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1605 SdHoareTripleChecker+Valid, 3811 SdHoareTripleChecker+Invalid, 3999 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 715 IncrementalHoareTripleChecker+Valid, 3284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2022-10-16 14:00:47,032 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1605 Valid, 3811 Invalid, 3999 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [715 Valid, 3284 Invalid, 0 Unknown, 0 Unchecked, 6.6s Time] [2022-10-16 14:00:47,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2727 states. [2022-10-16 14:00:47,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2727 to 2645. [2022-10-16 14:00:47,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2645 states, 1910 states have (on average 1.2853403141361257) internal successors, (2455), 1974 states have internal predecessors, (2455), 547 states have call successors, (547), 142 states have call predecessors, (547), 154 states have return successors, (611), 553 states have call predecessors, (611), 547 states have call successors, (611) [2022-10-16 14:00:47,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2645 states to 2645 states and 3613 transitions. [2022-10-16 14:00:47,360 INFO L78 Accepts]: Start accepts. Automaton has 2645 states and 3613 transitions. Word has length 222 [2022-10-16 14:00:47,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:00:47,361 INFO L495 AbstractCegarLoop]: Abstraction has 2645 states and 3613 transitions. [2022-10-16 14:00:47,362 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.909090909090909) internal successors, (87), 6 states have internal predecessors, (87), 4 states have call successors, (25), 6 states have call predecessors, (25), 3 states have return successors, (23), 5 states have call predecessors, (23), 4 states have call successors, (23) [2022-10-16 14:00:47,362 INFO L276 IsEmpty]: Start isEmpty. Operand 2645 states and 3613 transitions. [2022-10-16 14:00:47,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2022-10-16 14:00:47,366 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:00:47,366 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:00:47,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 14:00:47,367 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting kref_subErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [kref_subErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, kref_subErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_linux_usb_urb_usb_alloc_urbErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2022-10-16 14:00:47,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:00:47,368 INFO L85 PathProgramCache]: Analyzing trace with hash -830201964, now seen corresponding path program 1 times [2022-10-16 14:00:47,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:00:47,368 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269085400] [2022-10-16 14:00:47,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:00:47,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:00:47,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:48,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:00:48,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:48,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 14:00:48,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:48,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-16 14:00:48,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:48,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 14:00:48,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:48,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-10-16 14:00:48,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:48,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:00:48,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:48,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:00:48,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:48,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:00:48,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:48,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-16 14:00:48,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:48,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:00:48,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:48,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:00:48,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:48,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:00:48,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:48,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-16 14:00:48,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:48,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:00:48,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:48,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:00:48,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:48,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:00:48,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:48,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-10-16 14:00:48,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:48,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:00:48,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:48,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:00:48,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:48,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:00:48,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:48,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-10-16 14:00:48,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:48,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:00:48,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:48,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:00:48,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:48,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:00:48,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:48,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-10-16 14:00:48,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:48,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-10-16 14:00:48,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:48,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-10-16 14:00:48,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:48,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-10-16 14:00:48,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:48,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:00:48,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:48,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:00:48,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:48,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 14:00:48,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:48,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-10-16 14:00:48,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:49,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:00:49,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:49,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-10-16 14:00:49,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:49,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-10-16 14:00:49,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:49,125 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 14:00:49,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:00:49,126 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269085400] [2022-10-16 14:00:49,126 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269085400] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:00:49,126 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:00:49,127 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-10-16 14:00:49,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752220995] [2022-10-16 14:00:49,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:00:49,129 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 14:00:49,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:00:49,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 14:00:49,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2022-10-16 14:00:49,130 INFO L87 Difference]: Start difference. First operand 2645 states and 3613 transitions. Second operand has 12 states, 12 states have (on average 7.25) internal successors, (87), 7 states have internal predecessors, (87), 2 states have call successors, (25), 6 states have call predecessors, (25), 2 states have return successors, (23), 3 states have call predecessors, (23), 2 states have call successors, (23) [2022-10-16 14:00:55,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:00:55,281 INFO L93 Difference]: Finished difference Result 5794 states and 7971 transitions. [2022-10-16 14:00:55,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-16 14:00:55,282 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.25) internal successors, (87), 7 states have internal predecessors, (87), 2 states have call successors, (25), 6 states have call predecessors, (25), 2 states have return successors, (23), 3 states have call predecessors, (23), 2 states have call successors, (23) Word has length 222 [2022-10-16 14:00:55,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:00:55,307 INFO L225 Difference]: With dead ends: 5794 [2022-10-16 14:00:55,307 INFO L226 Difference]: Without dead ends: 3208 [2022-10-16 14:00:55,317 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=88, Invalid=332, Unknown=0, NotChecked=0, Total=420 [2022-10-16 14:00:55,318 INFO L413 NwaCegarLoop]: 1128 mSDtfsCounter, 1662 mSDsluCounter, 4946 mSDsCounter, 0 mSdLazyCounter, 3920 mSolverCounterSat, 1112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1662 SdHoareTripleChecker+Valid, 6074 SdHoareTripleChecker+Invalid, 5032 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1112 IncrementalHoareTripleChecker+Valid, 3920 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-10-16 14:00:55,319 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1662 Valid, 6074 Invalid, 5032 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1112 Valid, 3920 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2022-10-16 14:00:55,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3208 states. [2022-10-16 14:00:55,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3208 to 2652. [2022-10-16 14:00:55,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2652 states, 1916 states have (on average 1.284446764091858) internal successors, (2461), 1980 states have internal predecessors, (2461), 547 states have call successors, (547), 142 states have call predecessors, (547), 155 states have return successors, (612), 554 states have call predecessors, (612), 547 states have call successors, (612) [2022-10-16 14:00:55,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2652 states to 2652 states and 3620 transitions. [2022-10-16 14:00:55,660 INFO L78 Accepts]: Start accepts. Automaton has 2652 states and 3620 transitions. Word has length 222 [2022-10-16 14:00:55,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:00:55,661 INFO L495 AbstractCegarLoop]: Abstraction has 2652 states and 3620 transitions. [2022-10-16 14:00:55,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.25) internal successors, (87), 7 states have internal predecessors, (87), 2 states have call successors, (25), 6 states have call predecessors, (25), 2 states have return successors, (23), 3 states have call predecessors, (23), 2 states have call successors, (23) [2022-10-16 14:00:55,661 INFO L276 IsEmpty]: Start isEmpty. Operand 2652 states and 3620 transitions. [2022-10-16 14:00:55,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2022-10-16 14:00:55,664 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:00:55,664 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 6, 6, 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, 1, 1, 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 14:00:55,664 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 14:00:55,665 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting kref_subErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [kref_subErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, kref_subErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_linux_usb_urb_usb_alloc_urbErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2022-10-16 14:00:55,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:00:55,665 INFO L85 PathProgramCache]: Analyzing trace with hash 491346943, now seen corresponding path program 1 times [2022-10-16 14:00:55,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:00:55,666 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620132423] [2022-10-16 14:00:55,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:00:55,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:00:55,758 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 14:00:55,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [63248987] [2022-10-16 14:00:55,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:00:55,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:00:55,759 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:00:55,760 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 14:00:55,779 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 14:00:56,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:56,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 2298 conjuncts, 29 conjunts are in the unsatisfiable core [2022-10-16 14:00:56,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:00:56,606 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 498 trivial. 0 not checked. [2022-10-16 14:00:56,606 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 14:00:56,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:00:56,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620132423] [2022-10-16 14:00:56,607 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 14:00:56,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [63248987] [2022-10-16 14:00:56,607 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [63248987] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:00:56,608 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:00:56,608 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-10-16 14:00:56,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997162393] [2022-10-16 14:00:56,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:00:56,609 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 14:00:56,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:00:56,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 14:00:56,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 14:00:56,611 INFO L87 Difference]: Start difference. First operand 2652 states and 3620 transitions. Second operand has 9 states, 7 states have (on average 13.428571428571429) internal successors, (94), 6 states have internal predecessors, (94), 4 states have call successors, (29), 4 states have call predecessors, (29), 3 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-10-16 14:00:57,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:00:57,169 INFO L93 Difference]: Finished difference Result 4747 states and 6507 transitions. [2022-10-16 14:00:57,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 14:00:57,170 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 13.428571428571429) internal successors, (94), 6 states have internal predecessors, (94), 4 states have call successors, (29), 4 states have call predecessors, (29), 3 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 243 [2022-10-16 14:00:57,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:00:57,192 INFO L225 Difference]: With dead ends: 4747 [2022-10-16 14:00:57,193 INFO L226 Difference]: Without dead ends: 2652 [2022-10-16 14:00:57,202 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 235 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2022-10-16 14:00:57,203 INFO L413 NwaCegarLoop]: 934 mSDtfsCounter, 48 mSDsluCounter, 6453 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 7387 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 14:00:57,203 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 7387 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 14:00:57,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2652 states. [2022-10-16 14:00:57,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2652 to 2652. [2022-10-16 14:00:57,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2652 states, 1916 states have (on average 1.2823590814196242) internal successors, (2457), 1980 states have internal predecessors, (2457), 547 states have call successors, (547), 142 states have call predecessors, (547), 155 states have return successors, (612), 554 states have call predecessors, (612), 547 states have call successors, (612) [2022-10-16 14:00:57,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2652 states to 2652 states and 3616 transitions. [2022-10-16 14:00:57,562 INFO L78 Accepts]: Start accepts. Automaton has 2652 states and 3616 transitions. Word has length 243 [2022-10-16 14:00:57,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:00:57,563 INFO L495 AbstractCegarLoop]: Abstraction has 2652 states and 3616 transitions. [2022-10-16 14:00:57,564 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 13.428571428571429) internal successors, (94), 6 states have internal predecessors, (94), 4 states have call successors, (29), 4 states have call predecessors, (29), 3 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-10-16 14:00:57,565 INFO L276 IsEmpty]: Start isEmpty. Operand 2652 states and 3616 transitions. [2022-10-16 14:00:57,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2022-10-16 14:00:57,567 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:00:57,567 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 6, 6, 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, 1, 1, 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 14:00:57,615 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 14:00:57,783 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:00:57,783 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting kref_subErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [kref_subErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, kref_subErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_linux_usb_urb_usb_alloc_urbErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2022-10-16 14:00:57,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:00:57,785 INFO L85 PathProgramCache]: Analyzing trace with hash -2028612991, now seen corresponding path program 1 times [2022-10-16 14:00:57,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:00:57,785 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933899544] [2022-10-16 14:00:57,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:00:57,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:00:57,922 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 14:00:57,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1816398024] [2022-10-16 14:00:57,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:00:57,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:00:57,923 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:00:57,924 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 14:00:57,942 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 14:00:59,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:59,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 2299 conjuncts, 97 conjunts are in the unsatisfiable core [2022-10-16 14:00:59,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:00:59,741 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 13 treesize of output 9 [2022-10-16 14:00:59,789 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 26 treesize of output 29 [2022-10-16 14:00:59,990 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 14:01:00,004 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 501 trivial. 0 not checked. [2022-10-16 14:01:00,005 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 14:01:00,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:01:00,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933899544] [2022-10-16 14:01:00,005 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 14:01:00,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1816398024] [2022-10-16 14:01:00,006 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1816398024] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:01:00,006 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:01:00,006 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 14:01:00,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984746713] [2022-10-16 14:01:00,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:01:00,007 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 14:01:00,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:01:00,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 14:01:00,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-10-16 14:01:00,008 INFO L87 Difference]: Start difference. First operand 2652 states and 3616 transitions. Second operand has 9 states, 7 states have (on average 13.142857142857142) internal successors, (92), 7 states have internal predecessors, (92), 4 states have call successors, (29), 4 states have call predecessors, (29), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-10-16 14:01:03,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:01:03,362 INFO L93 Difference]: Finished difference Result 3392 states and 4724 transitions. [2022-10-16 14:01:03,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-16 14:01:03,363 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 13.142857142857142) internal successors, (92), 7 states have internal predecessors, (92), 4 states have call successors, (29), 4 states have call predecessors, (29), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 243 [2022-10-16 14:01:03,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:01:03,390 INFO L225 Difference]: With dead ends: 3392 [2022-10-16 14:01:03,391 INFO L226 Difference]: Without dead ends: 3391 [2022-10-16 14:01:03,394 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 232 SyntacticMatches, 3 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2022-10-16 14:01:03,395 INFO L413 NwaCegarLoop]: 1108 mSDtfsCounter, 200 mSDsluCounter, 4874 mSDsCounter, 0 mSdLazyCounter, 818 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 5982 SdHoareTripleChecker+Invalid, 966 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 818 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 143 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-10-16 14:01:03,395 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 5982 Invalid, 966 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 818 Invalid, 0 Unknown, 143 Unchecked, 2.8s Time] [2022-10-16 14:01:03,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3391 states. [2022-10-16 14:01:03,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3391 to 2736. [2022-10-16 14:01:03,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2736 states, 1976 states have (on average 1.2818825910931173) internal successors, (2533), 2044 states have internal predecessors, (2533), 563 states have call successors, (563), 154 states have call predecessors, (563), 163 states have return successors, (648), 562 states have call predecessors, (648), 563 states have call successors, (648) [2022-10-16 14:01:03,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2736 states to 2736 states and 3744 transitions. [2022-10-16 14:01:03,853 INFO L78 Accepts]: Start accepts. Automaton has 2736 states and 3744 transitions. Word has length 243 [2022-10-16 14:01:03,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:01:03,854 INFO L495 AbstractCegarLoop]: Abstraction has 2736 states and 3744 transitions. [2022-10-16 14:01:03,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 13.142857142857142) internal successors, (92), 7 states have internal predecessors, (92), 4 states have call successors, (29), 4 states have call predecessors, (29), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-10-16 14:01:03,855 INFO L276 IsEmpty]: Start isEmpty. Operand 2736 states and 3744 transitions. [2022-10-16 14:01:03,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2022-10-16 14:01:03,858 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:01:03,858 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 6, 6, 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, 1, 1, 1, 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 14:01:03,913 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-10-16 14:01:04,071 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:01:04,072 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting kref_subErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [kref_subErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, kref_subErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_linux_usb_urb_usb_alloc_urbErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2022-10-16 14:01:04,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:01:04,073 INFO L85 PathProgramCache]: Analyzing trace with hash 1537506769, now seen corresponding path program 1 times [2022-10-16 14:01:04,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:01:04,073 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896846782] [2022-10-16 14:01:04,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:01:04,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:01:04,181 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 14:01:04,181 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [725688237] [2022-10-16 14:01:04,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:01:04,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:01:04,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:01:04,183 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 14:01:04,205 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 14:01:04,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:04,931 INFO L263 TraceCheckSpWp]: Trace formula consists of 2300 conjuncts, 91 conjunts are in the unsatisfiable core [2022-10-16 14:01:04,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:01:04,994 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 13 treesize of output 9 [2022-10-16 14:01:05,017 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 26 treesize of output 29 [2022-10-16 14:01:05,197 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 14:01:05,216 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 501 trivial. 0 not checked. [2022-10-16 14:01:05,217 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 14:01:05,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:01:05,217 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896846782] [2022-10-16 14:01:05,217 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 14:01:05,217 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [725688237] [2022-10-16 14:01:05,218 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [725688237] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:01:05,218 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:01:05,218 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 14:01:05,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294882017] [2022-10-16 14:01:05,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:01:05,222 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 14:01:05,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:01:05,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 14:01:05,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-10-16 14:01:05,223 INFO L87 Difference]: Start difference. First operand 2736 states and 3744 transitions. Second operand has 9 states, 7 states have (on average 13.285714285714286) internal successors, (93), 7 states have internal predecessors, (93), 4 states have call successors, (29), 4 states have call predecessors, (29), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-10-16 14:01:09,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:01:09,040 INFO L93 Difference]: Finished difference Result 3387 states and 4704 transitions. [2022-10-16 14:01:09,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-16 14:01:09,041 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 13.285714285714286) internal successors, (93), 7 states have internal predecessors, (93), 4 states have call successors, (29), 4 states have call predecessors, (29), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 244 [2022-10-16 14:01:09,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:01:09,067 INFO L225 Difference]: With dead ends: 3387 [2022-10-16 14:01:09,068 INFO L226 Difference]: Without dead ends: 3386 [2022-10-16 14:01:09,071 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 233 SyntacticMatches, 3 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2022-10-16 14:01:09,072 INFO L413 NwaCegarLoop]: 1108 mSDtfsCounter, 190 mSDsluCounter, 5607 mSDsCounter, 0 mSdLazyCounter, 943 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 6715 SdHoareTripleChecker+Invalid, 1089 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 943 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 142 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-10-16 14:01:09,073 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 6715 Invalid, 1089 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 943 Invalid, 0 Unknown, 142 Unchecked, 3.3s Time] [2022-10-16 14:01:09,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3386 states. [2022-10-16 14:01:09,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3386 to 2736. [2022-10-16 14:01:09,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2736 states, 1976 states have (on average 1.2798582995951417) internal successors, (2529), 2044 states have internal predecessors, (2529), 563 states have call successors, (563), 154 states have call predecessors, (563), 163 states have return successors, (648), 562 states have call predecessors, (648), 563 states have call successors, (648) [2022-10-16 14:01:09,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2736 states to 2736 states and 3740 transitions. [2022-10-16 14:01:09,474 INFO L78 Accepts]: Start accepts. Automaton has 2736 states and 3740 transitions. Word has length 244 [2022-10-16 14:01:09,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:01:09,475 INFO L495 AbstractCegarLoop]: Abstraction has 2736 states and 3740 transitions. [2022-10-16 14:01:09,475 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 13.285714285714286) internal successors, (93), 7 states have internal predecessors, (93), 4 states have call successors, (29), 4 states have call predecessors, (29), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-10-16 14:01:09,475 INFO L276 IsEmpty]: Start isEmpty. Operand 2736 states and 3740 transitions. [2022-10-16 14:01:09,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2022-10-16 14:01:09,477 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:01:09,478 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:01:09,518 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-10-16 14:01:09,693 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-10-16 14:01:09,694 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [kref_subErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, kref_subErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_linux_usb_urb_usb_alloc_urbErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2022-10-16 14:01:09,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:01:09,695 INFO L85 PathProgramCache]: Analyzing trace with hash 1592328500, now seen corresponding path program 1 times [2022-10-16 14:01:09,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:01:09,695 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008897412] [2022-10-16 14:01:09,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:01:09,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:01:09,783 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 14:01:09,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [508643594] [2022-10-16 14:01:09,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:01:09,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:01:09,784 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:01:09,785 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:01:09,801 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-10-16 14:01:10,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:10,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 2213 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 14:01:10,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:01:10,512 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 498 trivial. 0 not checked. [2022-10-16 14:01:10,512 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:01:10,680 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 498 trivial. 0 not checked. [2022-10-16 14:01:10,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:01:10,681 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008897412] [2022-10-16 14:01:10,681 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 14:01:10,681 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [508643594] [2022-10-16 14:01:10,681 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [508643594] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:01:10,681 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-10-16 14:01:10,681 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2022-10-16 14:01:10,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126557785] [2022-10-16 14:01:10,682 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-10-16 14:01:10,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 14:01:10,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:01:10,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 14:01:10,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 14:01:10,686 INFO L87 Difference]: Start difference. First operand 2736 states and 3740 transitions. Second operand has 6 states, 5 states have (on average 23.6) internal successors, (118), 6 states have internal predecessors, (118), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2022-10-16 14:01:12,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:01:12,227 INFO L93 Difference]: Finished difference Result 7266 states and 10634 transitions. [2022-10-16 14:01:12,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 14:01:12,228 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 23.6) internal successors, (118), 6 states have internal predecessors, (118), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 241 [2022-10-16 14:01:12,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:01:12,270 INFO L225 Difference]: With dead ends: 7266 [2022-10-16 14:01:12,270 INFO L226 Difference]: Without dead ends: 7265 [2022-10-16 14:01:12,275 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 480 GetRequests, 476 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 14:01:12,276 INFO L413 NwaCegarLoop]: 1442 mSDtfsCounter, 2086 mSDsluCounter, 2647 mSDsCounter, 0 mSdLazyCounter, 296 mSolverCounterSat, 283 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2454 SdHoareTripleChecker+Valid, 4089 SdHoareTripleChecker+Invalid, 579 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 283 IncrementalHoareTripleChecker+Valid, 296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 14:01:12,276 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2454 Valid, 4089 Invalid, 579 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [283 Valid, 296 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 14:01:12,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7265 states. [2022-10-16 14:01:12,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7265 to 2735. [2022-10-16 14:01:12,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2735 states, 1976 states have (on average 1.2788461538461537) internal successors, (2527), 2043 states have internal predecessors, (2527), 563 states have call successors, (563), 154 states have call predecessors, (563), 163 states have return successors, (648), 562 states have call predecessors, (648), 563 states have call successors, (648) [2022-10-16 14:01:12,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2735 states to 2735 states and 3738 transitions. [2022-10-16 14:01:12,816 INFO L78 Accepts]: Start accepts. Automaton has 2735 states and 3738 transitions. Word has length 241 [2022-10-16 14:01:12,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:01:12,817 INFO L495 AbstractCegarLoop]: Abstraction has 2735 states and 3738 transitions. [2022-10-16 14:01:12,817 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 23.6) internal successors, (118), 6 states have internal predecessors, (118), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2022-10-16 14:01:12,817 INFO L276 IsEmpty]: Start isEmpty. Operand 2735 states and 3738 transitions. [2022-10-16 14:01:12,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2022-10-16 14:01:12,819 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:01:12,820 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:01:12,860 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-10-16 14:01:13,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:01:13,034 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [kref_subErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, kref_subErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_linux_usb_urb_usb_alloc_urbErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2022-10-16 14:01:13,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:01:13,035 INFO L85 PathProgramCache]: Analyzing trace with hash 2117544240, now seen corresponding path program 1 times [2022-10-16 14:01:13,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:01:13,035 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086617009] [2022-10-16 14:01:13,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:01:13,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:01:13,123 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 14:01:13,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1224126119] [2022-10-16 14:01:13,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:01:13,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:01:13,124 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:01:13,125 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:01:13,132 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-10-16 14:01:13,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:13,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 2214 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 14:01:13,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:01:13,872 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 498 trivial. 0 not checked. [2022-10-16 14:01:13,873 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 14:01:13,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:01:13,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086617009] [2022-10-16 14:01:13,873 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 14:01:13,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1224126119] [2022-10-16 14:01:13,874 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1224126119] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:01:13,874 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:01:13,874 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 14:01:13,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132418838] [2022-10-16 14:01:13,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:01:13,875 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:01:13,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:01:13,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:01:13,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:01:13,876 INFO L87 Difference]: Start difference. First operand 2735 states and 3738 transitions. Second operand has 4 states, 3 states have (on average 33.0) internal successors, (99), 4 states have internal predecessors, (99), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2022-10-16 14:01:14,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:01:14,804 INFO L93 Difference]: Finished difference Result 4553 states and 6490 transitions. [2022-10-16 14:01:14,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:01:14,804 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 33.0) internal successors, (99), 4 states have internal predecessors, (99), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 242 [2022-10-16 14:01:14,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:01:14,822 INFO L225 Difference]: With dead ends: 4553 [2022-10-16 14:01:14,823 INFO L226 Difference]: Without dead ends: 4552 [2022-10-16 14:01:14,824 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 239 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:01:14,825 INFO L413 NwaCegarLoop]: 1677 mSDtfsCounter, 649 mSDsluCounter, 1304 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 833 SdHoareTripleChecker+Valid, 2981 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 14:01:14,825 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [833 Valid, 2981 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 14:01:14,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4552 states. [2022-10-16 14:01:15,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4552 to 2710. [2022-10-16 14:01:15,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2710 states, 1952 states have (on average 1.2771516393442623) internal successors, (2493), 2018 states have internal predecessors, (2493), 563 states have call successors, (563), 154 states have call predecessors, (563), 163 states have return successors, (648), 562 states have call predecessors, (648), 563 states have call successors, (648) [2022-10-16 14:01:15,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2710 states to 2710 states and 3704 transitions. [2022-10-16 14:01:15,186 INFO L78 Accepts]: Start accepts. Automaton has 2710 states and 3704 transitions. Word has length 242 [2022-10-16 14:01:15,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:01:15,187 INFO L495 AbstractCegarLoop]: Abstraction has 2710 states and 3704 transitions. [2022-10-16 14:01:15,187 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 33.0) internal successors, (99), 4 states have internal predecessors, (99), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2022-10-16 14:01:15,187 INFO L276 IsEmpty]: Start isEmpty. Operand 2710 states and 3704 transitions. [2022-10-16 14:01:15,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2022-10-16 14:01:15,191 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:01:15,192 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 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 14:01:15,234 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-10-16 14:01:15,406 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:01:15,407 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [kref_subErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, kref_subErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_linux_usb_urb_usb_alloc_urbErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2022-10-16 14:01:15,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:01:15,407 INFO L85 PathProgramCache]: Analyzing trace with hash 999929268, now seen corresponding path program 1 times [2022-10-16 14:01:15,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:01:15,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624408954] [2022-10-16 14:01:15,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:01:15,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:01:15,543 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 14:01:15,543 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1592006438] [2022-10-16 14:01:15,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:01:15,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:01:15,544 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:01:15,545 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:01:15,565 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-10-16 14:01:16,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:16,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 2518 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-16 14:01:16,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:01:16,406 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 507 trivial. 0 not checked. [2022-10-16 14:01:16,406 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 14:01:16,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:01:16,407 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624408954] [2022-10-16 14:01:16,407 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 14:01:16,407 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1592006438] [2022-10-16 14:01:16,407 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1592006438] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:01:16,407 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:01:16,407 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 14:01:16,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728227532] [2022-10-16 14:01:16,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:01:16,409 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:01:16,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:01:16,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:01:16,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:01:16,410 INFO L87 Difference]: Start difference. First operand 2710 states and 3704 transitions. Second operand has 4 states, 3 states have (on average 37.333333333333336) internal successors, (112), 4 states have internal predecessors, (112), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-10-16 14:01:16,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:01:16,773 INFO L93 Difference]: Finished difference Result 4699 states and 6379 transitions. [2022-10-16 14:01:16,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:01:16,774 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 37.333333333333336) internal successors, (112), 4 states have internal predecessors, (112), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 268 [2022-10-16 14:01:16,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:01:16,784 INFO L225 Difference]: With dead ends: 4699 [2022-10-16 14:01:16,784 INFO L226 Difference]: Without dead ends: 2704 [2022-10-16 14:01:16,791 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 268 GetRequests, 265 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 14:01:16,792 INFO L413 NwaCegarLoop]: 945 mSDtfsCounter, 906 mSDsluCounter, 944 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 906 SdHoareTripleChecker+Valid, 1889 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:01:16,792 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [906 Valid, 1889 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:01:16,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2704 states. [2022-10-16 14:01:17,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2704 to 2694. [2022-10-16 14:01:17,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2694 states, 1938 states have (on average 1.2760577915376676) internal successors, (2473), 2002 states have internal predecessors, (2473), 563 states have call successors, (563), 154 states have call predecessors, (563), 163 states have return successors, (648), 562 states have call predecessors, (648), 563 states have call successors, (648) [2022-10-16 14:01:17,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2694 states to 2694 states and 3684 transitions. [2022-10-16 14:01:17,149 INFO L78 Accepts]: Start accepts. Automaton has 2694 states and 3684 transitions. Word has length 268 [2022-10-16 14:01:17,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:01:17,150 INFO L495 AbstractCegarLoop]: Abstraction has 2694 states and 3684 transitions. [2022-10-16 14:01:17,150 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 37.333333333333336) internal successors, (112), 4 states have internal predecessors, (112), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-10-16 14:01:17,151 INFO L276 IsEmpty]: Start isEmpty. Operand 2694 states and 3684 transitions. [2022-10-16 14:01:17,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2022-10-16 14:01:17,155 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:01:17,155 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 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 14:01:17,201 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-10-16 14:01:17,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-10-16 14:01:17,372 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_usb_coherent_usb_free_coherentErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [kref_subErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, kref_subErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_linux_usb_urb_usb_alloc_urbErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2022-10-16 14:01:17,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:01:17,373 INFO L85 PathProgramCache]: Analyzing trace with hash -1622907294, now seen corresponding path program 1 times [2022-10-16 14:01:17,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:01:17,374 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120064829] [2022-10-16 14:01:17,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:01:17,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:01:17,493 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 14:01:17,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2056564003] [2022-10-16 14:01:17,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:01:17,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:01:17,495 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:01:17,495 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:01:17,516 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-10-16 14:01:18,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:18,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 2570 conjuncts, 10 conjunts are in the unsatisfiable core [2022-10-16 14:01:18,415 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:01:18,793 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 507 trivial. 0 not checked. [2022-10-16 14:01:18,793 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 14:01:18,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:01:18,794 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120064829] [2022-10-16 14:01:18,794 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 14:01:18,794 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2056564003] [2022-10-16 14:01:18,794 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2056564003] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:01:18,794 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:01:18,794 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-10-16 14:01:18,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908259533] [2022-10-16 14:01:18,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:01:18,795 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 14:01:18,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:01:18,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 14:01:18,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 14:01:18,796 INFO L87 Difference]: Start difference. First operand 2694 states and 3684 transitions. Second operand has 3 states, 2 states have (on average 56.5) internal successors, (113), 2 states have internal predecessors, (113), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2022-10-16 14:01:19,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:01:19,368 INFO L93 Difference]: Finished difference Result 5217 states and 7133 transitions. [2022-10-16 14:01:19,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 14:01:19,369 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 56.5) internal successors, (113), 2 states have internal predecessors, (113), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 270 [2022-10-16 14:01:19,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:01:19,390 INFO L225 Difference]: With dead ends: 5217 [2022-10-16 14:01:19,390 INFO L226 Difference]: Without dead ends: 5215 [2022-10-16 14:01:19,394 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 269 GetRequests, 268 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 14:01:19,395 INFO L413 NwaCegarLoop]: 1140 mSDtfsCounter, 774 mSDsluCounter, 806 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 774 SdHoareTripleChecker+Valid, 1946 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:01:19,395 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [774 Valid, 1946 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:01:19,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5215 states. [2022-10-16 14:01:20,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5215 to 5185. [2022-10-16 14:01:20,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5185 states, 3757 states have (on average 1.2754857599148257) internal successors, (4792), 3852 states have internal predecessors, (4792), 1075 states have call successors, (1075), 306 states have call predecessors, (1075), 323 states have return successors, (1250), 1074 states have call predecessors, (1250), 1075 states have call successors, (1250) [2022-10-16 14:01:20,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5185 states to 5185 states and 7117 transitions. [2022-10-16 14:01:20,140 INFO L78 Accepts]: Start accepts. Automaton has 5185 states and 7117 transitions. Word has length 270 [2022-10-16 14:01:20,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:01:20,140 INFO L495 AbstractCegarLoop]: Abstraction has 5185 states and 7117 transitions. [2022-10-16 14:01:20,141 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 56.5) internal successors, (113), 2 states have internal predecessors, (113), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2022-10-16 14:01:20,141 INFO L276 IsEmpty]: Start isEmpty. Operand 5185 states and 7117 transitions. [2022-10-16 14:01:20,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2022-10-16 14:01:20,146 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:01:20,146 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 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 14:01:20,194 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-10-16 14:01:20,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-10-16 14:01:20,361 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_usb_coherent_usb_free_coherentErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [kref_subErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, kref_subErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_linux_usb_urb_usb_alloc_urbErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2022-10-16 14:01:20,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:01:20,361 INFO L85 PathProgramCache]: Analyzing trace with hash 1229482212, now seen corresponding path program 1 times [2022-10-16 14:01:20,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:01:20,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559165988] [2022-10-16 14:01:20,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:01:20,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:01:20,484 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 14:01:20,485 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [697294256] [2022-10-16 14:01:20,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:01:20,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:01:20,486 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:01:20,487 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:01:20,508 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-10-16 14:01:21,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:21,502 INFO L263 TraceCheckSpWp]: Trace formula consists of 2571 conjuncts, 10 conjunts are in the unsatisfiable core [2022-10-16 14:01:21,520 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:01:21,971 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 507 trivial. 0 not checked. [2022-10-16 14:01:21,971 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 14:01:21,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:01:21,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559165988] [2022-10-16 14:01:21,972 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 14:01:21,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [697294256] [2022-10-16 14:01:21,972 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [697294256] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:01:21,972 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:01:21,972 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-10-16 14:01:21,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191870063] [2022-10-16 14:01:21,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:01:21,974 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 14:01:21,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:01:21,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 14:01:21,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 14:01:21,975 INFO L87 Difference]: Start difference. First operand 5185 states and 7117 transitions. Second operand has 3 states, 2 states have (on average 57.0) internal successors, (114), 2 states have internal predecessors, (114), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2022-10-16 14:01:23,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:01:23,027 INFO L93 Difference]: Finished difference Result 9322 states and 12849 transitions. [2022-10-16 14:01:23,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 14:01:23,028 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 57.0) internal successors, (114), 2 states have internal predecessors, (114), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 271 [2022-10-16 14:01:23,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:01:23,067 INFO L225 Difference]: With dead ends: 9322 [2022-10-16 14:01:23,067 INFO L226 Difference]: Without dead ends: 9320 [2022-10-16 14:01:23,071 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 269 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 14:01:23,072 INFO L413 NwaCegarLoop]: 1343 mSDtfsCounter, 773 mSDsluCounter, 684 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 773 SdHoareTripleChecker+Valid, 2027 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:01:23,073 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [773 Valid, 2027 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:01:23,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9320 states. [2022-10-16 14:01:24,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9320 to 9302. [2022-10-16 14:01:24,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9302 states, 6819 states have (on average 1.2702742337586157) internal successors, (8662), 6959 states have internal predecessors, (8662), 1859 states have call successors, (1859), 554 states have call predecessors, (1859), 595 states have return successors, (2316), 1874 states have call predecessors, (2316), 1859 states have call successors, (2316) [2022-10-16 14:01:24,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9302 states to 9302 states and 12837 transitions. [2022-10-16 14:01:24,483 INFO L78 Accepts]: Start accepts. Automaton has 9302 states and 12837 transitions. Word has length 271 [2022-10-16 14:01:24,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:01:24,484 INFO L495 AbstractCegarLoop]: Abstraction has 9302 states and 12837 transitions. [2022-10-16 14:01:24,485 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 57.0) internal successors, (114), 2 states have internal predecessors, (114), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2022-10-16 14:01:24,485 INFO L276 IsEmpty]: Start isEmpty. Operand 9302 states and 12837 transitions. [2022-10-16 14:01:24,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2022-10-16 14:01:24,490 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:01:24,490 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:01:24,534 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-10-16 14:01:24,703 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-10-16 14:01:24,704 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [kref_subErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, kref_subErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_linux_usb_urb_usb_alloc_urbErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2022-10-16 14:01:24,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:01:24,704 INFO L85 PathProgramCache]: Analyzing trace with hash 1860411839, now seen corresponding path program 1 times [2022-10-16 14:01:24,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:01:24,705 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402561187] [2022-10-16 14:01:24,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:01:24,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:01:24,829 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 14:01:24,831 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1012778091] [2022-10-16 14:01:24,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:01:24,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:01:24,832 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:01:24,833 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:01:24,856 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-10-16 14:01:25,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:25,761 INFO L263 TraceCheckSpWp]: Trace formula consists of 2498 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-16 14:01:25,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:01:25,842 INFO L134 CoverageAnalysis]: Checked inductivity of 557 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 501 trivial. 0 not checked. [2022-10-16 14:01:25,843 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 14:01:25,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:01:25,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402561187] [2022-10-16 14:01:25,843 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 14:01:25,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1012778091] [2022-10-16 14:01:25,844 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1012778091] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:01:25,844 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:01:25,844 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 14:01:25,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172799330] [2022-10-16 14:01:25,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:01:25,845 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 14:01:25,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:01:25,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 14:01:25,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 14:01:25,846 INFO L87 Difference]: Start difference. First operand 9302 states and 12837 transitions. Second operand has 7 states, 6 states have (on average 19.833333333333332) internal successors, (119), 5 states have internal predecessors, (119), 4 states have call successors, (33), 5 states have call predecessors, (33), 2 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-10-16 14:01:27,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:01:27,201 INFO L93 Difference]: Finished difference Result 16400 states and 22405 transitions. [2022-10-16 14:01:27,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 14:01:27,202 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 19.833333333333332) internal successors, (119), 5 states have internal predecessors, (119), 4 states have call successors, (33), 5 states have call predecessors, (33), 2 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 277 [2022-10-16 14:01:27,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:01:27,241 INFO L225 Difference]: With dead ends: 16400 [2022-10-16 14:01:27,241 INFO L226 Difference]: Without dead ends: 8544 [2022-10-16 14:01:27,273 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 278 GetRequests, 271 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 14:01:27,274 INFO L413 NwaCegarLoop]: 861 mSDtfsCounter, 64 mSDsluCounter, 4213 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 5074 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:01:27,274 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 5074 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:01:27,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8544 states. [2022-10-16 14:01:28,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8544 to 8544. [2022-10-16 14:01:28,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8544 states, 6163 states have (on average 1.239331494402077) internal successors, (7638), 6297 states have internal predecessors, (7638), 1763 states have call successors, (1763), 554 states have call predecessors, (1763), 595 states have return successors, (2220), 1778 states have call predecessors, (2220), 1763 states have call successors, (2220) [2022-10-16 14:01:28,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8544 states to 8544 states and 11621 transitions. [2022-10-16 14:01:28,704 INFO L78 Accepts]: Start accepts. Automaton has 8544 states and 11621 transitions. Word has length 277 [2022-10-16 14:01:28,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:01:28,705 INFO L495 AbstractCegarLoop]: Abstraction has 8544 states and 11621 transitions. [2022-10-16 14:01:28,706 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 19.833333333333332) internal successors, (119), 5 states have internal predecessors, (119), 4 states have call successors, (33), 5 states have call predecessors, (33), 2 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-10-16 14:01:28,706 INFO L276 IsEmpty]: Start isEmpty. Operand 8544 states and 11621 transitions. [2022-10-16 14:01:28,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2022-10-16 14:01:28,712 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:01:28,712 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:01:28,757 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2022-10-16 14:01:28,927 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-10-16 14:01:28,927 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_usb_urb_usb_free_urbErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [kref_subErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, kref_subErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_linux_usb_urb_usb_alloc_urbErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2022-10-16 14:01:28,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:01:28,928 INFO L85 PathProgramCache]: Analyzing trace with hash 1938477100, now seen corresponding path program 1 times [2022-10-16 14:01:28,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:01:28,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484498595] [2022-10-16 14:01:28,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:01:28,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:01:29,014 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 14:01:29,015 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [772283607] [2022-10-16 14:01:29,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:01:29,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:01:29,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:01:29,016 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:01:29,039 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-10-16 14:01:29,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:29,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 2594 conjuncts, 13 conjunts are in the unsatisfiable core [2022-10-16 14:01:29,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:01:30,287 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 507 trivial. 0 not checked. [2022-10-16 14:01:30,288 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:01:30,712 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 507 trivial. 0 not checked. [2022-10-16 14:01:30,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:01:30,713 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484498595] [2022-10-16 14:01:30,713 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 14:01:30,713 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [772283607] [2022-10-16 14:01:30,713 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [772283607] provided 1 perfect and 1 imperfect interpolant sequences [2022-10-16 14:01:30,713 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 14:01:30,713 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 9 [2022-10-16 14:01:30,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157833227] [2022-10-16 14:01:30,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:01:30,716 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 14:01:30,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:01:30,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 14:01:30,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2022-10-16 14:01:30,717 INFO L87 Difference]: Start difference. First operand 8544 states and 11621 transitions. Second operand has 6 states, 5 states have (on average 25.2) internal successors, (126), 6 states have internal predecessors, (126), 3 states have call successors, (33), 4 states have call predecessors, (33), 2 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) [2022-10-16 14:01:33,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:01:33,563 INFO L93 Difference]: Finished difference Result 12320 states and 16741 transitions. [2022-10-16 14:01:33,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:01:33,564 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 25.2) internal successors, (126), 6 states have internal predecessors, (126), 3 states have call successors, (33), 4 states have call predecessors, (33), 2 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) Word has length 285 [2022-10-16 14:01:33,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:01:33,620 INFO L225 Difference]: With dead ends: 12320 [2022-10-16 14:01:33,620 INFO L226 Difference]: Without dead ends: 12319 [2022-10-16 14:01:33,627 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 568 GetRequests, 559 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2022-10-16 14:01:33,628 INFO L413 NwaCegarLoop]: 1095 mSDtfsCounter, 2607 mSDsluCounter, 892 mSDsCounter, 0 mSdLazyCounter, 631 mSolverCounterSat, 532 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2607 SdHoareTripleChecker+Valid, 1987 SdHoareTripleChecker+Invalid, 1163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 532 IncrementalHoareTripleChecker+Valid, 631 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:01:33,629 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2607 Valid, 1987 Invalid, 1163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [532 Valid, 631 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-16 14:01:33,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12319 states. [2022-10-16 14:01:35,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12319 to 12278. [2022-10-16 14:01:35,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12278 states, 8889 states have (on average 1.236134548318146) internal successors, (10988), 9069 states have internal predecessors, (10988), 2499 states have call successors, (2499), 802 states have call predecessors, (2499), 867 states have return successors, (3214), 2530 states have call predecessors, (3214), 2499 states have call successors, (3214) [2022-10-16 14:01:35,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12278 states to 12278 states and 16701 transitions. [2022-10-16 14:01:35,329 INFO L78 Accepts]: Start accepts. Automaton has 12278 states and 16701 transitions. Word has length 285 [2022-10-16 14:01:35,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:01:35,330 INFO L495 AbstractCegarLoop]: Abstraction has 12278 states and 16701 transitions. [2022-10-16 14:01:35,331 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 25.2) internal successors, (126), 6 states have internal predecessors, (126), 3 states have call successors, (33), 4 states have call predecessors, (33), 2 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) [2022-10-16 14:01:35,331 INFO L276 IsEmpty]: Start isEmpty. Operand 12278 states and 16701 transitions. [2022-10-16 14:01:35,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2022-10-16 14:01:35,336 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:01:35,336 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:01:35,381 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-10-16 14:01:35,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:01:35,552 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_linux_usb_urb_usb_free_urbErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [kref_subErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, kref_subErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_linux_usb_urb_usb_alloc_urbErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2022-10-16 14:01:35,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:01:35,552 INFO L85 PathProgramCache]: Analyzing trace with hash 485796496, now seen corresponding path program 1 times [2022-10-16 14:01:35,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:01:35,553 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422567702] [2022-10-16 14:01:35,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:01:35,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:01:35,650 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 14:01:35,650 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1469199145] [2022-10-16 14:01:35,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:01:35,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:01:35,651 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:01:35,652 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:01:35,677 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-10-16 14:01:36,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:36,503 INFO L263 TraceCheckSpWp]: Trace formula consists of 2613 conjuncts, 13 conjunts are in the unsatisfiable core [2022-10-16 14:01:36,511 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:01:36,991 INFO L134 CoverageAnalysis]: Checked inductivity of 513 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 507 trivial. 0 not checked. [2022-10-16 14:01:36,991 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:01:37,510 INFO L134 CoverageAnalysis]: Checked inductivity of 513 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 507 trivial. 0 not checked. [2022-10-16 14:01:37,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:01:37,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422567702] [2022-10-16 14:01:37,511 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 14:01:37,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1469199145] [2022-10-16 14:01:37,511 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1469199145] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:01:37,512 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-10-16 14:01:37,512 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 9 [2022-10-16 14:01:37,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303761762] [2022-10-16 14:01:37,513 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-10-16 14:01:37,513 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-16 14:01:37,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:01:37,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-16 14:01:37,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2022-10-16 14:01:37,515 INFO L87 Difference]: Start difference. First operand 12278 states and 16701 transitions. Second operand has 10 states, 9 states have (on average 29.77777777777778) internal successors, (268), 10 states have internal predecessors, (268), 5 states have call successors, (66), 7 states have call predecessors, (66), 4 states have return successors, (58), 5 states have call predecessors, (58), 3 states have call successors, (58) [2022-10-16 14:01:44,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:01:44,860 INFO L93 Difference]: Finished difference Result 23931 states and 32633 transitions. [2022-10-16 14:01:44,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 14:01:44,861 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 29.77777777777778) internal successors, (268), 10 states have internal predecessors, (268), 5 states have call successors, (66), 7 states have call predecessors, (66), 4 states have return successors, (58), 5 states have call predecessors, (58), 3 states have call successors, (58) Word has length 293 [2022-10-16 14:01:44,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:01:44,932 INFO L225 Difference]: With dead ends: 23931 [2022-10-16 14:01:44,932 INFO L226 Difference]: Without dead ends: 23929 [2022-10-16 14:01:44,942 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 595 GetRequests, 579 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=165, Unknown=0, NotChecked=0, Total=272 [2022-10-16 14:01:44,943 INFO L413 NwaCegarLoop]: 1353 mSDtfsCounter, 3338 mSDsluCounter, 3414 mSDsCounter, 0 mSdLazyCounter, 2649 mSolverCounterSat, 1061 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3625 SdHoareTripleChecker+Valid, 4767 SdHoareTripleChecker+Invalid, 3710 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1061 IncrementalHoareTripleChecker+Valid, 2649 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-10-16 14:01:44,943 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3625 Valid, 4767 Invalid, 3710 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1061 Valid, 2649 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-10-16 14:01:44,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23929 states. [2022-10-16 14:01:48,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23929 to 23781. [2022-10-16 14:01:48,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23781 states, 17265 states have (on average 1.2251375615406892) internal successors, (21152), 17596 states have internal predecessors, (21152), 4579 states have call successors, (4579), 1530 states have call predecessors, (4579), 1915 states have return successors, (6754), 4930 states have call predecessors, (6754), 4579 states have call successors, (6754) [2022-10-16 14:01:48,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23781 states to 23781 states and 32485 transitions. [2022-10-16 14:01:48,693 INFO L78 Accepts]: Start accepts. Automaton has 23781 states and 32485 transitions. Word has length 293 [2022-10-16 14:01:48,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:01:48,694 INFO L495 AbstractCegarLoop]: Abstraction has 23781 states and 32485 transitions. [2022-10-16 14:01:48,694 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 29.77777777777778) internal successors, (268), 10 states have internal predecessors, (268), 5 states have call successors, (66), 7 states have call predecessors, (66), 4 states have return successors, (58), 5 states have call predecessors, (58), 3 states have call successors, (58) [2022-10-16 14:01:48,694 INFO L276 IsEmpty]: Start isEmpty. Operand 23781 states and 32485 transitions. [2022-10-16 14:01:48,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2022-10-16 14:01:48,700 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:01:48,701 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:01:48,755 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-10-16 14:01:48,915 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable19 [2022-10-16 14:01:48,917 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_usb_coherent_usb_free_coherentErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [kref_subErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, kref_subErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_linux_usb_urb_usb_alloc_urbErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2022-10-16 14:01:48,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:01:48,918 INFO L85 PathProgramCache]: Analyzing trace with hash -1453075185, now seen corresponding path program 1 times [2022-10-16 14:01:48,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:01:48,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029459633] [2022-10-16 14:01:48,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:01:48,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:01:49,063 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 14:01:49,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [288730581] [2022-10-16 14:01:49,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:01:49,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:01:49,064 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:01:49,065 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:01:49,080 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-10-16 14:01:50,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:50,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 2692 conjuncts, 13 conjunts are in the unsatisfiable core [2022-10-16 14:01:50,021 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:01:50,532 INFO L134 CoverageAnalysis]: Checked inductivity of 513 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 507 trivial. 0 not checked. [2022-10-16 14:01:50,533 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:01:50,943 INFO L134 CoverageAnalysis]: Checked inductivity of 513 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 507 trivial. 0 not checked. [2022-10-16 14:01:50,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:01:50,944 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029459633] [2022-10-16 14:01:50,944 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 14:01:50,944 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [288730581] [2022-10-16 14:01:50,945 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [288730581] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:01:50,945 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-10-16 14:01:50,945 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 9 [2022-10-16 14:01:50,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957486382] [2022-10-16 14:01:50,945 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-10-16 14:01:50,947 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-16 14:01:50,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:01:50,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-16 14:01:50,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2022-10-16 14:01:50,948 INFO L87 Difference]: Start difference. First operand 23781 states and 32485 transitions. Second operand has 10 states, 9 states have (on average 30.444444444444443) internal successors, (274), 10 states have internal predecessors, (274), 5 states have call successors, (68), 7 states have call predecessors, (68), 5 states have return successors, (60), 5 states have call predecessors, (60), 5 states have call successors, (60) [2022-10-16 14:02:03,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:02:03,360 INFO L93 Difference]: Finished difference Result 63700 states and 88123 transitions. [2022-10-16 14:02:03,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 14:02:03,361 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 30.444444444444443) internal successors, (274), 10 states have internal predecessors, (274), 5 states have call successors, (68), 7 states have call predecessors, (68), 5 states have return successors, (60), 5 states have call predecessors, (60), 5 states have call successors, (60) Word has length 298 [2022-10-16 14:02:03,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:02:03,724 INFO L225 Difference]: With dead ends: 63700 [2022-10-16 14:02:03,724 INFO L226 Difference]: Without dead ends: 63699 [2022-10-16 14:02:03,746 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 605 GetRequests, 589 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=165, Unknown=0, NotChecked=0, Total=272 [2022-10-16 14:02:03,747 INFO L413 NwaCegarLoop]: 770 mSDtfsCounter, 5058 mSDsluCounter, 2346 mSDsCounter, 0 mSdLazyCounter, 2564 mSolverCounterSat, 2021 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5348 SdHoareTripleChecker+Valid, 3116 SdHoareTripleChecker+Invalid, 4585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2021 IncrementalHoareTripleChecker+Valid, 2564 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-10-16 14:02:03,747 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5348 Valid, 3116 Invalid, 4585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2021 Valid, 2564 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2022-10-16 14:02:03,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63699 states. [2022-10-16 14:02:12,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63699 to 63211. [2022-10-16 14:02:12,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63211 states, 45895 states have (on average 1.2048807059592548) internal successors, (55298), 46700 states have internal predecessors, (55298), 11163 states have call successors, (11163), 3706 states have call predecessors, (11163), 6131 states have return successors, (21098), 13786 states have call predecessors, (21098), 11163 states have call successors, (21098) [2022-10-16 14:02:12,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63211 states to 63211 states and 87559 transitions. [2022-10-16 14:02:12,969 INFO L78 Accepts]: Start accepts. Automaton has 63211 states and 87559 transitions. Word has length 298 [2022-10-16 14:02:12,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:02:12,970 INFO L495 AbstractCegarLoop]: Abstraction has 63211 states and 87559 transitions. [2022-10-16 14:02:12,970 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 30.444444444444443) internal successors, (274), 10 states have internal predecessors, (274), 5 states have call successors, (68), 7 states have call predecessors, (68), 5 states have return successors, (60), 5 states have call predecessors, (60), 5 states have call successors, (60) [2022-10-16 14:02:13,182 INFO L276 IsEmpty]: Start isEmpty. Operand 63211 states and 87559 transitions. [2022-10-16 14:02:13,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2022-10-16 14:02:13,189 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:02:13,189 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:02:13,225 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-10-16 14:02:13,390 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:02:13,391 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting kref_subErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [kref_subErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, kref_subErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_linux_usb_urb_usb_alloc_urbErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2022-10-16 14:02:13,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:02:13,392 INFO L85 PathProgramCache]: Analyzing trace with hash 1716281648, now seen corresponding path program 1 times [2022-10-16 14:02:13,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:02:13,393 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548088878] [2022-10-16 14:02:13,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:02:13,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:02:13,517 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 14:02:13,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1522602589] [2022-10-16 14:02:13,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:02:13,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:02:13,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:02:13,527 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:02:13,548 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-10-16 14:02:14,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:14,437 INFO L263 TraceCheckSpWp]: Trace formula consists of 2752 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-16 14:02:14,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:02:14,505 INFO L134 CoverageAnalysis]: Checked inductivity of 525 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 504 trivial. 0 not checked. [2022-10-16 14:02:14,506 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 14:02:14,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:02:14,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548088878] [2022-10-16 14:02:14,506 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 14:02:14,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1522602589] [2022-10-16 14:02:14,506 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1522602589] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:02:14,507 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:02:14,507 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 14:02:14,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359307914] [2022-10-16 14:02:14,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:02:14,508 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 14:02:14,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:02:14,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 14:02:14,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 14:02:14,509 INFO L87 Difference]: Start difference. First operand 63211 states and 87559 transitions. Second operand has 7 states, 6 states have (on average 21.666666666666668) internal successors, (130), 5 states have internal predecessors, (130), 4 states have call successors, (41), 5 states have call predecessors, (41), 2 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2022-10-16 14:02:23,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:02:23,313 INFO L93 Difference]: Finished difference Result 123353 states and 175391 transitions. [2022-10-16 14:02:23,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 14:02:23,314 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 21.666666666666668) internal successors, (130), 5 states have internal predecessors, (130), 4 states have call successors, (41), 5 states have call predecessors, (41), 2 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 303 [2022-10-16 14:02:23,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:02:23,662 INFO L225 Difference]: With dead ends: 123353 [2022-10-16 14:02:23,663 INFO L226 Difference]: Without dead ends: 61183 [2022-10-16 14:02:24,151 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 304 GetRequests, 297 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 14:02:24,152 INFO L413 NwaCegarLoop]: 858 mSDtfsCounter, 65 mSDsluCounter, 4199 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 5057 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:02:24,153 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 5057 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:02:24,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61183 states. [2022-10-16 14:02:32,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61183 to 61183. [2022-10-16 14:02:32,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61183 states, 44719 states have (on average 1.2075851427804736) internal successors, (54002), 45404 states have internal predecessors, (54002), 10683 states have call successors, (10683), 3562 states have call predecessors, (10683), 5759 states have return successors, (18122), 12514 states have call predecessors, (18122), 10683 states have call successors, (18122) [2022-10-16 14:02:32,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61183 states to 61183 states and 82807 transitions. [2022-10-16 14:02:32,951 INFO L78 Accepts]: Start accepts. Automaton has 61183 states and 82807 transitions. Word has length 303 [2022-10-16 14:02:32,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:02:32,952 INFO L495 AbstractCegarLoop]: Abstraction has 61183 states and 82807 transitions. [2022-10-16 14:02:32,953 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 21.666666666666668) internal successors, (130), 5 states have internal predecessors, (130), 4 states have call successors, (41), 5 states have call predecessors, (41), 2 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2022-10-16 14:02:32,953 INFO L276 IsEmpty]: Start isEmpty. Operand 61183 states and 82807 transitions. [2022-10-16 14:02:32,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2022-10-16 14:02:32,958 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:02:32,958 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:02:33,003 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-10-16 14:02:33,173 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:02:33,174 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting kref_subErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [kref_subErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, kref_subErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_linux_usb_urb_usb_alloc_urbErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2022-10-16 14:02:33,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:02:33,175 INFO L85 PathProgramCache]: Analyzing trace with hash 1998878742, now seen corresponding path program 1 times [2022-10-16 14:02:33,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:02:33,175 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888904200] [2022-10-16 14:02:33,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:02:33,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:02:33,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:35,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:02:35,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:35,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 14:02:35,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:35,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-16 14:02:35,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:35,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 14:02:35,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:35,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-10-16 14:02:35,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:35,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:02:35,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:35,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:02:35,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:35,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:02:35,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:35,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-16 14:02:35,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:35,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:02:35,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:35,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:02:35,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:35,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:02:35,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:35,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-16 14:02:35,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:35,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:02:35,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:35,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:02:35,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:35,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:02:35,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:35,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-10-16 14:02:35,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:35,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:02:35,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:35,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:02:35,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:35,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:02:35,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:35,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-10-16 14:02:35,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:35,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:02:35,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:35,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:02:35,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:35,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:02:35,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:36,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-10-16 14:02:36,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:36,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-10-16 14:02:36,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:36,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-10-16 14:02:36,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:36,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-10-16 14:02:36,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:36,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:02:36,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:36,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:02:36,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:36,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 14:02:36,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:36,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-10-16 14:02:36,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:36,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:02:36,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:36,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-10-16 14:02:36,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:36,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-10-16 14:02:36,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:36,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-10-16 14:02:36,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:36,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:02:36,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:36,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-10-16 14:02:36,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:36,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-10-16 14:02:36,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:36,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-10-16 14:02:36,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:36,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-10-16 14:02:36,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:36,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-10-16 14:02:36,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:36,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-10-16 14:02:36,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:36,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-10-16 14:02:36,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:36,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:02:36,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:36,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-10-16 14:02:36,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:36,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:02:36,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:36,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-10-16 14:02:36,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:36,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-10-16 14:02:36,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:36,425 INFO L134 CoverageAnalysis]: Checked inductivity of 513 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 474 trivial. 0 not checked. [2022-10-16 14:02:36,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:02:36,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888904200] [2022-10-16 14:02:36,426 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [888904200] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:02:36,426 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:02:36,426 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-10-16 14:02:36,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847635056] [2022-10-16 14:02:36,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:02:36,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-10-16 14:02:36,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:02:36,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-10-16 14:02:36,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=418, Unknown=0, NotChecked=0, Total=462 [2022-10-16 14:02:36,433 INFO L87 Difference]: Start difference. First operand 61183 states and 82807 transitions. Second operand has 22 states, 21 states have (on average 5.857142857142857) internal successors, (123), 14 states have internal predecessors, (123), 7 states have call successors, (40), 9 states have call predecessors, (40), 3 states have return successors, (37), 7 states have call predecessors, (37), 7 states have call successors, (37) [2022-10-16 14:03:05,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:03:05,654 INFO L93 Difference]: Finished difference Result 167759 states and 236903 transitions. [2022-10-16 14:03:05,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-10-16 14:03:05,655 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 5.857142857142857) internal successors, (123), 14 states have internal predecessors, (123), 7 states have call successors, (40), 9 states have call predecessors, (40), 3 states have return successors, (37), 7 states have call predecessors, (37), 7 states have call successors, (37) Word has length 298 [2022-10-16 14:03:05,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:03:06,147 INFO L225 Difference]: With dead ends: 167759 [2022-10-16 14:03:06,147 INFO L226 Difference]: Without dead ends: 108721 [2022-10-16 14:03:06,362 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=293, Invalid=1513, Unknown=0, NotChecked=0, Total=1806 [2022-10-16 14:03:06,363 INFO L413 NwaCegarLoop]: 896 mSDtfsCounter, 3040 mSDsluCounter, 8040 mSDsCounter, 0 mSdLazyCounter, 8130 mSolverCounterSat, 1975 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3125 SdHoareTripleChecker+Valid, 8936 SdHoareTripleChecker+Invalid, 10105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1975 IncrementalHoareTripleChecker+Valid, 8130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:03:06,363 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3125 Valid, 8936 Invalid, 10105 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1975 Valid, 8130 Invalid, 0 Unknown, 0 Unchecked, 9.0s Time] [2022-10-16 14:03:06,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108721 states.