/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--nfc--port100.ko.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 13:56:59,346 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 13:56:59,349 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 13:56:59,383 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 13:56:59,383 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 13:56:59,385 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 13:56:59,386 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 13:56:59,405 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 13:56:59,408 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 13:56:59,409 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 13:56:59,410 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 13:56:59,412 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 13:56:59,412 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 13:56:59,413 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 13:56:59,415 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 13:56:59,416 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 13:56:59,417 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 13:56:59,418 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 13:56:59,420 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 13:56:59,422 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 13:56:59,424 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 13:56:59,425 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 13:56:59,427 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 13:56:59,428 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 13:56:59,432 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 13:56:59,433 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 13:56:59,433 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 13:56:59,434 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 13:56:59,435 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 13:56:59,436 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 13:56:59,436 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 13:56:59,437 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 13:56:59,438 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 13:56:59,439 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 13:56:59,440 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 13:56:59,440 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 13:56:59,441 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 13:56:59,442 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 13:56:59,442 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 13:56:59,443 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 13:56:59,444 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 13:56:59,448 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 13:56:59,478 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 13:56:59,478 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 13:56:59,479 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 13:56:59,479 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 13:56:59,480 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 13:56:59,480 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 13:56:59,481 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 13:56:59,481 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 13:56:59,481 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 13:56:59,482 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 13:56:59,482 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 13:56:59,482 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 13:56:59,482 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 13:56:59,483 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 13:56:59,483 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 13:56:59,483 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 13:56:59,483 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 13:56:59,483 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 13:56:59,484 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 13:56:59,484 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 13:56:59,484 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 13:56:59,484 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 13:56:59,485 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 13:56:59,485 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 13:56:59,485 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 13:56:59,485 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 13:56:59,486 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 13:56:59,486 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 13:56:59,486 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 13:56:59,486 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 13:56:59,486 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 13:56:59,487 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 13:56:59,487 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 13:56:59,487 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 13:56:59,853 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 13:56:59,884 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 13:56:59,887 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 13:56:59,888 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 13:56:59,889 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 13:56:59,891 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--nfc--port100.ko.cil.c [2022-10-16 13:56:59,973 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57b21aeb5/796bd08ee4ac497ba2f5277eae08ae0a/FLAG77d62684b [2022-10-16 13:57:01,081 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 13:57:01,082 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--nfc--port100.ko.cil.c [2022-10-16 13:57:01,146 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57b21aeb5/796bd08ee4ac497ba2f5277eae08ae0a/FLAG77d62684b [2022-10-16 13:57:01,435 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57b21aeb5/796bd08ee4ac497ba2f5277eae08ae0a [2022-10-16 13:57:01,438 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 13:57:01,447 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 13:57:01,452 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 13:57:01,452 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 13:57:01,458 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 13:57:01,460 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:57:01" (1/1) ... [2022-10-16 13:57:01,462 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ed3a0b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:57:01, skipping insertion in model container [2022-10-16 13:57:01,463 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:57:01" (1/1) ... [2022-10-16 13:57:01,472 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 13:57:01,736 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 13:57:04,553 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--nfc--port100.ko.cil.c[295256,295269] [2022-10-16 13:57:04,558 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--nfc--port100.ko.cil.c[295830,295843] [2022-10-16 13:57:04,564 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--nfc--port100.ko.cil.c[297029,297042] [2022-10-16 13:57:04,591 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--nfc--port100.ko.cil.c[297737,297750] [2022-10-16 13:57:04,600 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--nfc--port100.ko.cil.c[298178,298191] [2022-10-16 13:57:04,606 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--nfc--port100.ko.cil.c[298410,298423] [2022-10-16 13:57:04,611 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--nfc--port100.ko.cil.c[298988,299001] [2022-10-16 13:57:04,627 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--nfc--port100.ko.cil.c[299578,299591] [2022-10-16 13:57:04,632 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--nfc--port100.ko.cil.c[299995,300008] [2022-10-16 13:57:04,638 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--nfc--port100.ko.cil.c[300392,300405] [2022-10-16 13:57:04,642 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--nfc--port100.ko.cil.c[300627,300640] [2022-10-16 13:57:04,650 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--nfc--port100.ko.cil.c[301375,301388] [2022-10-16 13:57:04,655 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--nfc--port100.ko.cil.c[301796,301809] [2022-10-16 13:57:04,660 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--nfc--port100.ko.cil.c[302423,302436] [2022-10-16 13:57:04,665 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--nfc--port100.ko.cil.c[302838,302851] [2022-10-16 13:57:04,670 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--nfc--port100.ko.cil.c[303482,303495] [2022-10-16 13:57:04,675 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--nfc--port100.ko.cil.c[304212,304225] [2022-10-16 13:57:04,681 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--nfc--port100.ko.cil.c[305048,305061] [2022-10-16 13:57:04,688 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--nfc--port100.ko.cil.c[306394,306407] [2022-10-16 13:57:04,693 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--nfc--port100.ko.cil.c[306792,306805] [2022-10-16 13:57:04,699 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--nfc--port100.ko.cil.c[307349,307362] [2022-10-16 13:57:04,704 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--nfc--port100.ko.cil.c[307732,307745] [2022-10-16 13:57:04,709 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--nfc--port100.ko.cil.c[308348,308361] [2022-10-16 13:57:04,713 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--nfc--port100.ko.cil.c[308922,308935] [2022-10-16 13:57:04,718 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--nfc--port100.ko.cil.c[309835,309848] [2022-10-16 13:57:04,723 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--nfc--port100.ko.cil.c[310226,310239] [2022-10-16 13:57:04,728 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--nfc--port100.ko.cil.c[310455,310468] [2022-10-16 13:57:04,733 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--nfc--port100.ko.cil.c[310861,310874] [2022-10-16 13:57:04,741 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--nfc--port100.ko.cil.c[311718,311731] [2022-10-16 13:57:04,747 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--nfc--port100.ko.cil.c[312125,312138] [2022-10-16 13:57:04,749 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 13:57:04,885 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 13:57:05,286 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--nfc--port100.ko.cil.c[295256,295269] [2022-10-16 13:57:05,287 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--nfc--port100.ko.cil.c[295830,295843] [2022-10-16 13:57:05,290 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--nfc--port100.ko.cil.c[297029,297042] [2022-10-16 13:57:05,291 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--nfc--port100.ko.cil.c[297737,297750] [2022-10-16 13:57:05,291 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--nfc--port100.ko.cil.c[298178,298191] [2022-10-16 13:57:05,292 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--nfc--port100.ko.cil.c[298410,298423] [2022-10-16 13:57:05,293 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--nfc--port100.ko.cil.c[298988,299001] [2022-10-16 13:57:05,294 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--nfc--port100.ko.cil.c[299578,299591] [2022-10-16 13:57:05,295 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--nfc--port100.ko.cil.c[299995,300008] [2022-10-16 13:57:05,297 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--nfc--port100.ko.cil.c[300392,300405] [2022-10-16 13:57:05,298 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--nfc--port100.ko.cil.c[300627,300640] [2022-10-16 13:57:05,298 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--nfc--port100.ko.cil.c[301375,301388] [2022-10-16 13:57:05,299 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--nfc--port100.ko.cil.c[301796,301809] [2022-10-16 13:57:05,300 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--nfc--port100.ko.cil.c[302423,302436] [2022-10-16 13:57:05,300 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--nfc--port100.ko.cil.c[302838,302851] [2022-10-16 13:57:05,301 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--nfc--port100.ko.cil.c[303482,303495] [2022-10-16 13:57:05,302 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--nfc--port100.ko.cil.c[304212,304225] [2022-10-16 13:57:05,303 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--nfc--port100.ko.cil.c[305048,305061] [2022-10-16 13:57:05,304 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--nfc--port100.ko.cil.c[306394,306407] [2022-10-16 13:57:05,304 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--nfc--port100.ko.cil.c[306792,306805] [2022-10-16 13:57:05,305 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--nfc--port100.ko.cil.c[307349,307362] [2022-10-16 13:57:05,306 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--nfc--port100.ko.cil.c[307732,307745] [2022-10-16 13:57:05,306 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--nfc--port100.ko.cil.c[308348,308361] [2022-10-16 13:57:05,312 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--nfc--port100.ko.cil.c[308922,308935] [2022-10-16 13:57:05,314 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--nfc--port100.ko.cil.c[309835,309848] [2022-10-16 13:57:05,314 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--nfc--port100.ko.cil.c[310226,310239] [2022-10-16 13:57:05,315 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--nfc--port100.ko.cil.c[310455,310468] [2022-10-16 13:57:05,316 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--nfc--port100.ko.cil.c[310861,310874] [2022-10-16 13:57:05,318 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--nfc--port100.ko.cil.c[311718,311731] [2022-10-16 13:57:05,318 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--nfc--port100.ko.cil.c[312125,312138] [2022-10-16 13:57:05,319 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 13:57:05,615 INFO L208 MainTranslator]: Completed translation [2022-10-16 13:57:05,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:57:05 WrapperNode [2022-10-16 13:57:05,615 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 13:57:05,617 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 13:57:05,617 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 13:57:05,617 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 13:57:05,626 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:57:05" (1/1) ... [2022-10-16 13:57:05,756 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:57:05" (1/1) ... [2022-10-16 13:57:06,027 INFO L138 Inliner]: procedures = 545, calls = 2176, calls flagged for inlining = 221, calls inlined = 136, statements flattened = 3271 [2022-10-16 13:57:06,028 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 13:57:06,029 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 13:57:06,029 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 13:57:06,029 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 13:57:06,040 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:57:05" (1/1) ... [2022-10-16 13:57:06,040 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:57:05" (1/1) ... [2022-10-16 13:57:06,063 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:57:05" (1/1) ... [2022-10-16 13:57:06,063 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:57:05" (1/1) ... [2022-10-16 13:57:06,191 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:57:05" (1/1) ... [2022-10-16 13:57:06,221 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:57:05" (1/1) ... [2022-10-16 13:57:06,242 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:57:05" (1/1) ... [2022-10-16 13:57:06,254 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:57:05" (1/1) ... [2022-10-16 13:57:06,279 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 13:57:06,280 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 13:57:06,280 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 13:57:06,280 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 13:57:06,281 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:57:05" (1/1) ... [2022-10-16 13:57:06,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 13:57:06,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:57:06,320 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 13:57:06,338 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 13:57:06,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-10-16 13:57:06,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-10-16 13:57:06,400 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2022-10-16 13:57:06,400 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2022-10-16 13:57:06,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-10-16 13:57:06,401 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-10-16 13:57:06,401 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_net_sock [2022-10-16 13:57:06,401 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_net_sock [2022-10-16 13:57:06,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-16 13:57:06,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-16 13:57:06,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-10-16 13:57:06,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-10-16 13:57:06,403 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_arch_io [2022-10-16 13:57:06,403 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_arch_io [2022-10-16 13:57:06,404 INFO L130 BoogieDeclarations]: Found specification of procedure port100_send_cmd_async [2022-10-16 13:57:06,404 INFO L138 BoogieDeclarations]: Found implementation of procedure port100_send_cmd_async [2022-10-16 13:57:06,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-10-16 13:57:06,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-10-16 13:57:06,405 INFO L130 BoogieDeclarations]: Found specification of procedure nfc_digital_unregister_device [2022-10-16 13:57:06,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-10-16 13:57:06,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-10-16 13:57:06,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-10-16 13:57:06,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-10-16 13:57:06,406 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-10-16 13:57:06,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-10-16 13:57:06,406 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-10-16 13:57:06,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-10-16 13:57:06,406 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_alloc_irq [2022-10-16 13:57:06,406 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_alloc_irq [2022-10-16 13:57:06,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 13:57:06,407 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_rcu_update_lock [2022-10-16 13:57:06,407 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_rcu_update_lock [2022-10-16 13:57:06,407 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-10-16 13:57:06,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-10-16 13:57:06,408 INFO L130 BoogieDeclarations]: Found specification of procedure port100_tg_send_cmd [2022-10-16 13:57:06,408 INFO L138 BoogieDeclarations]: Found implementation of procedure port100_tg_send_cmd [2022-10-16 13:57:06,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-16 13:57:06,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-16 13:57:06,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-10-16 13:57:06,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-10-16 13:57:06,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-10-16 13:57:06,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-10-16 13:57:06,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 13:57:06,410 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-10-16 13:57:06,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-10-16 13:57:06,410 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-10-16 13:57:06,410 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_block_queue [2022-10-16 13:57:06,410 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_block_queue [2022-10-16 13:57:06,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-16 13:57:06,411 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-16 13:57:06,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-10-16 13:57:06,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-10-16 13:57:06,411 INFO L130 BoogieDeclarations]: Found specification of procedure port100_alloc_skb [2022-10-16 13:57:06,412 INFO L138 BoogieDeclarations]: Found implementation of procedure port100_alloc_skb [2022-10-16 13:57:06,412 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-10-16 13:57:06,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-10-16 13:57:06,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-10-16 13:57:06,413 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_usb_dev [2022-10-16 13:57:06,413 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_usb_dev [2022-10-16 13:57:06,413 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2022-10-16 13:57:06,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-10-16 13:57:06,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-10-16 13:57:06,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-10-16 13:57:06,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-10-16 13:57:06,415 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_block_genhd [2022-10-16 13:57:06,416 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_block_genhd [2022-10-16 13:57:06,420 INFO L130 BoogieDeclarations]: Found specification of procedure port100_checksum [2022-10-16 13:57:06,424 INFO L138 BoogieDeclarations]: Found implementation of procedure port100_checksum [2022-10-16 13:57:06,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-16 13:57:06,424 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_rcu_update_lock_sched [2022-10-16 13:57:06,425 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_rcu_update_lock_sched [2022-10-16 13:57:06,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 13:57:06,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-10-16 13:57:06,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-10-16 13:57:06,425 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2022-10-16 13:57:06,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-16 13:57:06,425 INFO L130 BoogieDeclarations]: Found specification of procedure nfc_digital_get_drvdata [2022-10-16 13:57:06,425 INFO L138 BoogieDeclarations]: Found implementation of procedure nfc_digital_get_drvdata [2022-10-16 13:57:06,425 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-10-16 13:57:06,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-10-16 13:57:06,427 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2022-10-16 13:57:06,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_dev_usb_put_dev [2022-10-16 13:57:06,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_dev_usb_put_dev [2022-10-16 13:57:06,428 INFO L130 BoogieDeclarations]: Found specification of procedure port100_abort_cmd [2022-10-16 13:57:06,428 INFO L138 BoogieDeclarations]: Found implementation of procedure port100_abort_cmd [2022-10-16 13:57:06,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_irq_check_alloc_flags [2022-10-16 13:57:06,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_irq_check_alloc_flags [2022-10-16 13:57:06,428 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-10-16 13:57:06,428 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-10-16 13:57:06,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-10-16 13:57:06,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-10-16 13:57:06,428 INFO L130 BoogieDeclarations]: Found specification of procedure port100_send_cmd_sync [2022-10-16 13:57:06,429 INFO L138 BoogieDeclarations]: Found implementation of procedure port100_send_cmd_sync [2022-10-16 13:57:06,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 13:57:06,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 13:57:06,429 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-10-16 13:57:06,429 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-10-16 13:57:06,429 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_rcu_update_lock_bh [2022-10-16 13:57:06,429 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_rcu_update_lock_bh [2022-10-16 13:57:06,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-16 13:57:06,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-16 13:57:06,430 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2022-10-16 13:57:06,430 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kmalloc [2022-10-16 13:57:06,430 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-10-16 13:57:06,430 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-10-16 13:57:06,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-16 13:57:06,430 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-16 13:57:06,430 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-16 13:57:06,430 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-16 13:57:06,430 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_alloc_usb_lock [2022-10-16 13:57:06,431 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_alloc_usb_lock [2022-10-16 13:57:06,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-10-16 13:57:06,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-10-16 13:57:06,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_usb_free_urb [2022-10-16 13:57:06,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_usb_free_urb [2022-10-16 13:57:06,431 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-10-16 13:57:06,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-10-16 13:57:06,431 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_fs_sysfs [2022-10-16 13:57:06,432 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_fs_sysfs [2022-10-16 13:57:06,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-10-16 13:57:06,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-10-16 13:57:06,432 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-10-16 13:57:06,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-16 13:57:06,432 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2022-10-16 13:57:06,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-10-16 13:57:06,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-10-16 13:57:06,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-16 13:57:06,433 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_usb_coherent [2022-10-16 13:57:06,433 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_usb_coherent [2022-10-16 13:57:06,433 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_locking_rwlock [2022-10-16 13:57:06,433 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_locking_rwlock [2022-10-16 13:57:06,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-16 13:57:06,434 INFO L130 BoogieDeclarations]: Found specification of procedure nfc_digital_free_device [2022-10-16 13:57:06,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-10-16 13:57:06,434 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_drivers_base_class [2022-10-16 13:57:06,434 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_drivers_base_class [2022-10-16 13:57:06,434 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-10-16 13:57:06,434 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-10-16 13:57:06,434 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_module [2022-10-16 13:57:06,435 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_module [2022-10-16 13:57:06,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-10-16 13:57:06,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-10-16 13:57:06,435 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-10-16 13:57:06,435 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-10-16 13:57:06,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-10-16 13:57:06,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-10-16 13:57:06,435 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-10-16 13:57:06,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-10-16 13:57:06,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-10-16 13:57:06,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_usb_lock_check_alloc_flags [2022-10-16 13:57:06,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_usb_lock_check_alloc_flags [2022-10-16 13:57:06,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_usb_alloc_urb [2022-10-16 13:57:06,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_usb_alloc_urb [2022-10-16 13:57:06,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-10-16 13:57:06,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-10-16 13:57:06,436 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2022-10-16 13:57:06,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-10-16 13:57:06,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-10-16 13:57:06,437 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2022-10-16 13:57:06,437 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2022-10-16 13:57:06,437 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_fs_char_dev [2022-10-16 13:57:06,437 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_fs_char_dev [2022-10-16 13:57:06,437 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-10-16 13:57:06,437 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-10-16 13:57:06,437 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_usb_gadget [2022-10-16 13:57:06,437 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_usb_gadget [2022-10-16 13:57:06,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-10-16 13:57:06,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-10-16 13:57:06,438 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-16 13:57:06,438 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_net_rtnetlink [2022-10-16 13:57:06,438 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_net_rtnetlink [2022-10-16 13:57:06,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 13:57:06,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-10-16 13:57:06,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-10-16 13:57:06,438 INFO L130 BoogieDeclarations]: Found specification of procedure port100_data_checksum [2022-10-16 13:57:06,438 INFO L138 BoogieDeclarations]: Found implementation of procedure port100_data_checksum [2022-10-16 13:57:06,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-16 13:57:06,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-16 13:57:06,439 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_block_request [2022-10-16 13:57:06,439 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_block_request [2022-10-16 13:57:06,439 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_sched_completion [2022-10-16 13:57:06,439 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_sched_completion [2022-10-16 13:57:06,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-10-16 13:57:06,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-10-16 13:57:06,439 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_lib_idr [2022-10-16 13:57:06,440 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_lib_idr [2022-10-16 13:57:06,440 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_usb_urb [2022-10-16 13:57:06,440 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_usb_urb [2022-10-16 13:57:06,440 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-10-16 13:57:06,440 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-10-16 13:57:06,440 INFO L130 BoogieDeclarations]: Found specification of procedure nfc_digital_register_device [2022-10-16 13:57:06,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-10-16 13:57:06,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-10-16 13:57:06,445 INFO L130 BoogieDeclarations]: Found specification of procedure port100_tg_configure_hw [2022-10-16 13:57:06,446 INFO L138 BoogieDeclarations]: Found implementation of procedure port100_tg_configure_hw [2022-10-16 13:57:06,449 INFO L130 BoogieDeclarations]: Found specification of procedure port100_disconnect [2022-10-16 13:57:06,449 INFO L138 BoogieDeclarations]: Found implementation of procedure port100_disconnect [2022-10-16 13:57:06,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-10-16 13:57:06,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-10-16 13:57:06,449 INFO L130 BoogieDeclarations]: Found specification of procedure nfc_digital_allocate_device [2022-10-16 13:57:06,449 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_mmc_sdio_func [2022-10-16 13:57:06,449 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_mmc_sdio_func [2022-10-16 13:57:06,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 13:57:06,450 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_rcu_srcu [2022-10-16 13:57:06,450 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_rcu_srcu [2022-10-16 13:57:07,095 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 13:57:07,104 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 13:57:24,143 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 13:57:24,173 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 13:57:24,173 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 13:57:24,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:57:24 BoogieIcfgContainer [2022-10-16 13:57:24,179 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 13:57:24,182 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 13:57:24,182 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 13:57:24,186 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 13:57:24,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 01:57:01" (1/3) ... [2022-10-16 13:57:24,187 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e24d832 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:57:24, skipping insertion in model container [2022-10-16 13:57:24,188 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:57:05" (2/3) ... [2022-10-16 13:57:24,188 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e24d832 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:57:24, skipping insertion in model container [2022-10-16 13:57:24,188 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:57:24" (3/3) ... [2022-10-16 13:57:24,190 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--nfc--port100.ko.cil.c [2022-10-16 13:57:24,215 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 13:57:24,215 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 32 error locations. [2022-10-16 13:57:24,336 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 13:57:24,344 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;@58af5d13, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 13:57:24,344 INFO L358 AbstractCegarLoop]: Starting to check reachability of 32 error locations. [2022-10-16 13:57:24,354 INFO L276 IsEmpty]: Start isEmpty. Operand has 986 states, 635 states have (on average 1.2598425196850394) internal successors, (800), 701 states have internal predecessors, (800), 233 states have call successors, (233), 85 states have call predecessors, (233), 85 states have return successors, (233), 232 states have call predecessors, (233), 233 states have call successors, (233) [2022-10-16 13:57:24,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2022-10-16 13:57:24,379 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:57:24,380 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:57:24,381 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_linux_usb_urb_usb_alloc_urbErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_linux_usb_urb_usb_alloc_urbErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 30 more)] === [2022-10-16 13:57:24,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:57:24,387 INFO L85 PathProgramCache]: Analyzing trace with hash 482146307, now seen corresponding path program 1 times [2022-10-16 13:57:24,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:57:24,398 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881165330] [2022-10-16 13:57:24,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:57:24,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:57:25,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:25,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:57:25,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:25,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 13:57:25,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:25,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-16 13:57:25,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:25,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 13:57:25,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:25,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-10-16 13:57:25,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:25,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:25,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:25,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:57:25,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:25,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:57:25,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:25,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-16 13:57:25,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:25,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:25,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:25,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:57:25,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:25,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:57:25,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:25,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-16 13:57:25,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:25,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:25,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:25,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:57:25,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:25,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:57:25,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:25,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-10-16 13:57:25,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:25,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:25,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:25,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:57:25,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:25,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:57:25,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:25,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-10-16 13:57:25,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:25,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:25,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:25,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:57:25,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:25,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:57:25,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:26,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-10-16 13:57:26,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:26,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-10-16 13:57:26,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:26,045 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2022-10-16 13:57:26,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:57:26,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881165330] [2022-10-16 13:57:26,047 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881165330] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:57:26,047 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:57:26,048 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 13:57:26,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899000909] [2022-10-16 13:57:26,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:57:26,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 13:57:26,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:57:26,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 13:57:26,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 13:57:26,090 INFO L87 Difference]: Start difference. First operand has 986 states, 635 states have (on average 1.2598425196850394) internal successors, (800), 701 states have internal predecessors, (800), 233 states have call successors, (233), 85 states have call predecessors, (233), 85 states have return successors, (233), 232 states have call predecessors, (233), 233 states have call successors, (233) Second operand has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-10-16 13:57:32,061 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:57:33,604 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:57:35,873 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:57:37,890 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:57:40,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:57:40,316 INFO L93 Difference]: Finished difference Result 2902 states and 4125 transitions. [2022-10-16 13:57:40,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-16 13:57:40,320 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 152 [2022-10-16 13:57:40,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:57:40,361 INFO L225 Difference]: With dead ends: 2902 [2022-10-16 13:57:40,362 INFO L226 Difference]: Without dead ends: 1443 [2022-10-16 13:57:40,380 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2022-10-16 13:57:40,385 INFO L413 NwaCegarLoop]: 1635 mSDtfsCounter, 2695 mSDsluCounter, 1783 mSDsCounter, 0 mSdLazyCounter, 2056 mSolverCounterSat, 1697 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2844 SdHoareTripleChecker+Valid, 3418 SdHoareTripleChecker+Invalid, 3755 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1697 IncrementalHoareTripleChecker+Valid, 2056 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.6s IncrementalHoareTripleChecker+Time [2022-10-16 13:57:40,386 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2844 Valid, 3418 Invalid, 3755 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1697 Valid, 2056 Invalid, 2 Unknown, 0 Unchecked, 13.6s Time] [2022-10-16 13:57:40,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1443 states. [2022-10-16 13:57:40,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1443 to 1305. [2022-10-16 13:57:40,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1305 states, 911 states have (on average 1.252469813391877) internal successors, (1141), 940 states have internal predecessors, (1141), 294 states have call successors, (294), 82 states have call predecessors, (294), 80 states have return successors, (291), 290 states have call predecessors, (291), 290 states have call successors, (291) [2022-10-16 13:57:40,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1305 states to 1305 states and 1726 transitions. [2022-10-16 13:57:40,663 INFO L78 Accepts]: Start accepts. Automaton has 1305 states and 1726 transitions. Word has length 152 [2022-10-16 13:57:40,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:57:40,665 INFO L495 AbstractCegarLoop]: Abstraction has 1305 states and 1726 transitions. [2022-10-16 13:57:40,665 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-10-16 13:57:40,665 INFO L276 IsEmpty]: Start isEmpty. Operand 1305 states and 1726 transitions. [2022-10-16 13:57:40,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-10-16 13:57:40,669 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:57:40,670 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2022-10-16 13:57:40,670 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 13:57:40,670 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_linux_usb_urb_usb_alloc_urbErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_linux_usb_urb_usb_alloc_urbErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 30 more)] === [2022-10-16 13:57:40,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:57:40,671 INFO L85 PathProgramCache]: Analyzing trace with hash 437451628, now seen corresponding path program 1 times [2022-10-16 13:57:40,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:57:40,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609614942] [2022-10-16 13:57:40,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:57:40,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:57:40,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:41,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:57:41,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:41,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 13:57:41,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:41,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-16 13:57:41,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:41,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 13:57:41,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:41,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-10-16 13:57:41,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:41,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:41,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:41,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:57:41,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:41,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:57:41,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:41,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-16 13:57:41,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:41,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:41,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:41,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:57:41,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:41,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:57:41,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:41,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-16 13:57:41,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:41,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:41,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:41,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:57:41,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:41,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:57:41,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:41,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-10-16 13:57:41,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:41,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:41,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:41,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:57:41,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:41,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:57:41,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:41,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-10-16 13:57:41,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:41,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:41,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:41,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:57:41,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:41,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:57:41,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:41,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-10-16 13:57:41,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:41,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-10-16 13:57:41,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:41,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-10-16 13:57:41,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:41,583 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2022-10-16 13:57:41,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:57:41,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609614942] [2022-10-16 13:57:41,584 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609614942] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:57:41,584 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:57:41,584 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 13:57:41,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909736742] [2022-10-16 13:57:41,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:57:41,586 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 13:57:41,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:57:41,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 13:57:41,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 13:57:41,587 INFO L87 Difference]: Start difference. First operand 1305 states and 1726 transitions. Second operand has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2022-10-16 13:57:46,895 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:57:48,929 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:57:50,198 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:57:52,233 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:57:53,561 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:57:56,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:57:56,690 INFO L93 Difference]: Finished difference Result 2945 states and 4064 transitions. [2022-10-16 13:57:56,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 13:57:56,691 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 165 [2022-10-16 13:57:56,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:57:56,717 INFO L225 Difference]: With dead ends: 2945 [2022-10-16 13:57:56,717 INFO L226 Difference]: Without dead ends: 1689 [2022-10-16 13:57:56,726 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-10-16 13:57:56,733 INFO L413 NwaCegarLoop]: 877 mSDtfsCounter, 1214 mSDsluCounter, 1592 mSDsCounter, 0 mSdLazyCounter, 1614 mSolverCounterSat, 1053 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1230 SdHoareTripleChecker+Valid, 2469 SdHoareTripleChecker+Invalid, 2670 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1053 IncrementalHoareTripleChecker+Valid, 1614 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.8s IncrementalHoareTripleChecker+Time [2022-10-16 13:57:56,733 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1230 Valid, 2469 Invalid, 2670 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1053 Valid, 1614 Invalid, 3 Unknown, 0 Unchecked, 14.8s Time] [2022-10-16 13:57:56,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1689 states. [2022-10-16 13:57:56,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1689 to 1337. [2022-10-16 13:57:56,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1337 states, 941 states have (on average 1.2592986184909671) internal successors, (1185), 970 states have internal predecessors, (1185), 296 states have call successors, (296), 82 states have call predecessors, (296), 80 states have return successors, (293), 292 states have call predecessors, (293), 292 states have call successors, (293) [2022-10-16 13:57:56,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1337 states to 1337 states and 1774 transitions. [2022-10-16 13:57:56,885 INFO L78 Accepts]: Start accepts. Automaton has 1337 states and 1774 transitions. Word has length 165 [2022-10-16 13:57:56,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:57:56,889 INFO L495 AbstractCegarLoop]: Abstraction has 1337 states and 1774 transitions. [2022-10-16 13:57:56,889 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2022-10-16 13:57:56,890 INFO L276 IsEmpty]: Start isEmpty. Operand 1337 states and 1774 transitions. [2022-10-16 13:57:56,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2022-10-16 13:57:56,903 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:57:56,904 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:57:56,904 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 13:57:56,905 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_usb_urb_usb_free_urbErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_linux_usb_urb_usb_alloc_urbErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_linux_usb_urb_usb_alloc_urbErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 30 more)] === [2022-10-16 13:57:56,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:57:56,906 INFO L85 PathProgramCache]: Analyzing trace with hash 2019527471, now seen corresponding path program 1 times [2022-10-16 13:57:56,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:57:56,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458936624] [2022-10-16 13:57:56,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:57:56,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:57:57,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:57,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:57:57,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:57,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 13:57:57,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:57,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-16 13:57:57,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:57,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 13:57:57,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:57,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-10-16 13:57:57,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:57,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:57,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:57,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:57:57,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:57,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:57:57,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:57,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-16 13:57:57,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:57,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:57,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:57,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:57:57,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:57,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:57:57,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:57,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-16 13:57:57,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:57,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:57,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:57,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:57:57,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:57,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:57:57,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:57,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-10-16 13:57:57,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:57,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:57,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:57,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:57:57,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:57,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:57:57,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:57,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-10-16 13:57:57,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:57,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:57,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:57,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:57:57,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:57,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:57:57,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:57,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-10-16 13:57:57,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:57,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-10-16 13:57:57,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:57,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-10-16 13:57:57,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:57,974 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2022-10-16 13:57:57,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:57:57,975 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458936624] [2022-10-16 13:57:57,975 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1458936624] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:57:57,975 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:57:57,975 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 13:57:57,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989785685] [2022-10-16 13:57:57,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:57:57,977 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 13:57:57,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:57:57,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 13:57:57,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 13:57:57,978 INFO L87 Difference]: Start difference. First operand 1337 states and 1774 transitions. Second operand has 7 states, 6 states have (on average 9.166666666666666) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-10-16 13:58:04,061 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:58:06,404 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:58:08,420 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:58:10,441 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:58:13,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:58:13,575 INFO L93 Difference]: Finished difference Result 2929 states and 4210 transitions. [2022-10-16 13:58:13,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 13:58:13,576 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 9.166666666666666) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 169 [2022-10-16 13:58:13,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:58:13,605 INFO L225 Difference]: With dead ends: 2929 [2022-10-16 13:58:13,605 INFO L226 Difference]: Without dead ends: 2923 [2022-10-16 13:58:13,607 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2022-10-16 13:58:13,615 INFO L413 NwaCegarLoop]: 1465 mSDtfsCounter, 1959 mSDsluCounter, 2371 mSDsCounter, 0 mSdLazyCounter, 2177 mSolverCounterSat, 1577 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2090 SdHoareTripleChecker+Valid, 3836 SdHoareTripleChecker+Invalid, 3758 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1577 IncrementalHoareTripleChecker+Valid, 2177 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.9s IncrementalHoareTripleChecker+Time [2022-10-16 13:58:13,619 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2090 Valid, 3836 Invalid, 3758 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1577 Valid, 2177 Invalid, 4 Unknown, 0 Unchecked, 14.9s Time] [2022-10-16 13:58:13,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2923 states. [2022-10-16 13:58:13,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2923 to 2443. [2022-10-16 13:58:13,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2443 states, 1707 states have (on average 1.2489748096074986) internal successors, (2132), 1744 states have internal predecessors, (2132), 556 states have call successors, (556), 158 states have call predecessors, (556), 160 states have return successors, (587), 554 states have call predecessors, (587), 549 states have call successors, (587) [2022-10-16 13:58:13,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2443 states to 2443 states and 3275 transitions. [2022-10-16 13:58:13,836 INFO L78 Accepts]: Start accepts. Automaton has 2443 states and 3275 transitions. Word has length 169 [2022-10-16 13:58:13,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:58:13,837 INFO L495 AbstractCegarLoop]: Abstraction has 2443 states and 3275 transitions. [2022-10-16 13:58:13,837 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 9.166666666666666) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-10-16 13:58:13,837 INFO L276 IsEmpty]: Start isEmpty. Operand 2443 states and 3275 transitions. [2022-10-16 13:58:13,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2022-10-16 13:58:13,840 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:58:13,840 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2022-10-16 13:58:13,840 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 13:58:13,841 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_linux_usb_urb_usb_alloc_urbErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_linux_usb_urb_usb_alloc_urbErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 30 more)] === [2022-10-16 13:58:13,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:58:13,842 INFO L85 PathProgramCache]: Analyzing trace with hash 342179828, now seen corresponding path program 1 times [2022-10-16 13:58:13,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:58:13,842 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094474854] [2022-10-16 13:58:13,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:58:13,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:58:13,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:14,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:58:14,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:14,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 13:58:14,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:14,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-16 13:58:14,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:14,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 13:58:14,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:14,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-10-16 13:58:14,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:14,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:58:14,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:14,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:58:14,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:14,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:58:14,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:14,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-16 13:58:14,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:14,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:58:14,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:14,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:58:14,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:14,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:58:14,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:14,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-16 13:58:14,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:14,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:58:14,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:14,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:58:14,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:14,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:58:14,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:14,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-10-16 13:58:14,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:14,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:58:14,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:14,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:58:14,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:14,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:58:14,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:14,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-10-16 13:58:14,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:14,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:58:14,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:14,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:58:14,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:14,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:58:14,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:14,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-10-16 13:58:14,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:14,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-10-16 13:58:14,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:14,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-10-16 13:58:14,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:14,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-10-16 13:58:14,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:14,432 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2022-10-16 13:58:14,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:58:14,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094474854] [2022-10-16 13:58:14,432 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2094474854] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:58:14,432 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:58:14,433 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 13:58:14,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207694741] [2022-10-16 13:58:14,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:58:14,435 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 13:58:14,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:58:14,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 13:58:14,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 13:58:14,436 INFO L87 Difference]: Start difference. First operand 2443 states and 3275 transitions. Second operand has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-10-16 13:58:19,902 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:58:22,112 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:58:23,718 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:58:25,735 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:58:27,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:58:27,353 INFO L93 Difference]: Finished difference Result 5559 states and 7777 transitions. [2022-10-16 13:58:27,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 13:58:27,354 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 174 [2022-10-16 13:58:27,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:58:27,382 INFO L225 Difference]: With dead ends: 5559 [2022-10-16 13:58:27,382 INFO L226 Difference]: Without dead ends: 3165 [2022-10-16 13:58:27,396 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-10-16 13:58:27,397 INFO L413 NwaCegarLoop]: 878 mSDtfsCounter, 1181 mSDsluCounter, 1595 mSDsCounter, 0 mSdLazyCounter, 1626 mSolverCounterSat, 1037 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1196 SdHoareTripleChecker+Valid, 2473 SdHoareTripleChecker+Invalid, 2666 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1037 IncrementalHoareTripleChecker+Valid, 1626 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.5s IncrementalHoareTripleChecker+Time [2022-10-16 13:58:27,397 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1196 Valid, 2473 Invalid, 2666 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1037 Valid, 1626 Invalid, 3 Unknown, 0 Unchecked, 12.5s Time] [2022-10-16 13:58:27,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3165 states. [2022-10-16 13:58:27,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3165 to 2487. [2022-10-16 13:58:27,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2487 states, 1749 states have (on average 1.2544311034877074) internal successors, (2194), 1786 states have internal predecessors, (2194), 558 states have call successors, (558), 158 states have call predecessors, (558), 160 states have return successors, (589), 556 states have call predecessors, (589), 551 states have call successors, (589) [2022-10-16 13:58:27,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2487 states to 2487 states and 3341 transitions. [2022-10-16 13:58:27,613 INFO L78 Accepts]: Start accepts. Automaton has 2487 states and 3341 transitions. Word has length 174 [2022-10-16 13:58:27,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:58:27,614 INFO L495 AbstractCegarLoop]: Abstraction has 2487 states and 3341 transitions. [2022-10-16 13:58:27,614 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-10-16 13:58:27,614 INFO L276 IsEmpty]: Start isEmpty. Operand 2487 states and 3341 transitions. [2022-10-16 13:58:27,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2022-10-16 13:58:27,617 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:58:27,618 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 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] [2022-10-16 13:58:27,618 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 13:58:27,618 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_usb_urb_usb_free_urbErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_linux_usb_urb_usb_alloc_urbErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_linux_usb_urb_usb_alloc_urbErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 30 more)] === [2022-10-16 13:58:27,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:58:27,619 INFO L85 PathProgramCache]: Analyzing trace with hash 330139575, now seen corresponding path program 1 times [2022-10-16 13:58:27,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:58:27,619 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533986450] [2022-10-16 13:58:27,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:58:27,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:58:27,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:28,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:58:28,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:28,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 13:58:28,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:28,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-16 13:58:28,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:28,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 13:58:28,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:28,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-10-16 13:58:28,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:28,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:58:28,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:28,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:58:28,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:28,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:58:28,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:28,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-16 13:58:28,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:28,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:58:28,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:28,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:58:28,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:28,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:58:28,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:28,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-16 13:58:28,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:28,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:58:28,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:28,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:58:28,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:28,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:58:28,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:28,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-10-16 13:58:28,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:28,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:58:28,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:28,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:58:28,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:28,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:58:28,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:28,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-10-16 13:58:28,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:28,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:58:28,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:28,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:58:28,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:28,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:58:28,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:28,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-10-16 13:58:28,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:28,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-10-16 13:58:28,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:28,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-10-16 13:58:28,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:28,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-10-16 13:58:28,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:29,055 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2022-10-16 13:58:29,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:58:29,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533986450] [2022-10-16 13:58:29,056 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533986450] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:58:29,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1054923106] [2022-10-16 13:58:29,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:58:29,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:58:29,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:58:29,063 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 13:58:29,089 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 13:58:29,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:29,907 INFO L263 TraceCheckSpWp]: Trace formula consists of 3384 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-16 13:58:29,931 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:58:30,386 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2022-10-16 13:58:30,386 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 13:58:30,762 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2022-10-16 13:58:30,762 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1054923106] provided 1 perfect and 1 imperfect interpolant sequences [2022-10-16 13:58:30,763 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-10-16 13:58:30,763 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10, 4] total 17 [2022-10-16 13:58:30,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077974796] [2022-10-16 13:58:30,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:58:30,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 13:58:30,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:58:30,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 13:58:30,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=243, Unknown=0, NotChecked=0, Total=306 [2022-10-16 13:58:30,765 INFO L87 Difference]: Start difference. First operand 2487 states and 3341 transitions. Second operand has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 3 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2022-10-16 13:58:33,718 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:58:35,938 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:58:36,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:58:36,865 INFO L93 Difference]: Finished difference Result 2866 states and 3773 transitions. [2022-10-16 13:58:36,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 13:58:36,868 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 3 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) Word has length 179 [2022-10-16 13:58:36,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:58:36,887 INFO L225 Difference]: With dead ends: 2866 [2022-10-16 13:58:36,887 INFO L226 Difference]: Without dead ends: 2865 [2022-10-16 13:58:36,889 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 416 GetRequests, 399 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=243, Unknown=0, NotChecked=0, Total=306 [2022-10-16 13:58:36,894 INFO L413 NwaCegarLoop]: 1530 mSDtfsCounter, 2950 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 534 mSolverCounterSat, 793 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2950 SdHoareTripleChecker+Valid, 1790 SdHoareTripleChecker+Invalid, 1329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 793 IncrementalHoareTripleChecker+Valid, 534 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-10-16 13:58:36,895 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2950 Valid, 1790 Invalid, 1329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [793 Valid, 534 Invalid, 2 Unknown, 0 Unchecked, 5.8s Time] [2022-10-16 13:58:36,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2865 states. [2022-10-16 13:58:37,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2865 to 2825. [2022-10-16 13:58:37,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2825 states, 2004 states have (on average 1.2425149700598803) internal successors, (2490), 2041 states have internal predecessors, (2490), 613 states have call successors, (613), 194 states have call predecessors, (613), 188 states have return successors, (622), 605 states have call predecessors, (622), 602 states have call successors, (622) [2022-10-16 13:58:37,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2825 states to 2825 states and 3725 transitions. [2022-10-16 13:58:37,134 INFO L78 Accepts]: Start accepts. Automaton has 2825 states and 3725 transitions. Word has length 179 [2022-10-16 13:58:37,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:58:37,135 INFO L495 AbstractCegarLoop]: Abstraction has 2825 states and 3725 transitions. [2022-10-16 13:58:37,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 3 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2022-10-16 13:58:37,135 INFO L276 IsEmpty]: Start isEmpty. Operand 2825 states and 3725 transitions. [2022-10-16 13:58:37,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-10-16 13:58:37,139 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:58:37,140 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2022-10-16 13:58:37,193 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 13:58:37,354 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:58:37,355 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_usb_urb_usb_free_urbErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_linux_usb_urb_usb_alloc_urbErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_linux_usb_urb_usb_alloc_urbErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 30 more)] === [2022-10-16 13:58:37,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:58:37,356 INFO L85 PathProgramCache]: Analyzing trace with hash 1644392688, now seen corresponding path program 1 times [2022-10-16 13:58:37,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:58:37,356 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106880658] [2022-10-16 13:58:37,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:58:37,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:58:37,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:38,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:58:38,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:38,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 13:58:38,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:38,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-16 13:58:38,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:38,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 13:58:38,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:38,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-10-16 13:58:38,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:38,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:58:38,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:38,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:58:38,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:38,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:58:38,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:38,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-16 13:58:38,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:38,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:58:38,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:38,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:58:38,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:38,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:58:38,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:38,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-16 13:58:38,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:38,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:58:38,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:38,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:58:38,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:38,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:58:38,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:38,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-10-16 13:58:38,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:38,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:58:38,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:38,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:58:38,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:38,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:58:38,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:38,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-10-16 13:58:38,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:38,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:58:38,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:38,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:58:38,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:38,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:58:38,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:38,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-10-16 13:58:38,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:38,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-10-16 13:58:38,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:38,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-10-16 13:58:38,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:38,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-10-16 13:58:38,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:38,766 INFO L134 CoverageAnalysis]: Checked inductivity of 383 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2022-10-16 13:58:38,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:58:38,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106880658] [2022-10-16 13:58:38,767 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [106880658] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:58:38,767 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [196450685] [2022-10-16 13:58:38,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:58:38,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:58:38,767 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:58:38,769 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 13:58:38,778 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 13:58:39,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:39,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 3385 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-16 13:58:39,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:58:40,001 INFO L134 CoverageAnalysis]: Checked inductivity of 383 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2022-10-16 13:58:40,001 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 13:58:40,377 INFO L134 CoverageAnalysis]: Checked inductivity of 383 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2022-10-16 13:58:40,378 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [196450685] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 13:58:40,378 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 13:58:40,379 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 4, 5] total 17 [2022-10-16 13:58:40,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951626910] [2022-10-16 13:58:40,380 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 13:58:40,381 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-10-16 13:58:40,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:58:40,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-10-16 13:58:40,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=234, Unknown=0, NotChecked=0, Total=306 [2022-10-16 13:58:40,383 INFO L87 Difference]: Start difference. First operand 2825 states and 3725 transitions. Second operand has 18 states, 17 states have (on average 10.058823529411764) internal successors, (171), 13 states have internal predecessors, (171), 6 states have call successors, (47), 11 states have call predecessors, (47), 5 states have return successors, (45), 6 states have call predecessors, (45), 4 states have call successors, (45) [2022-10-16 13:58:48,514 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:58:50,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:58:52,432 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:58:54,449 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:58:56,476 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:58:58,497 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:59:02,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:59:02,566 INFO L93 Difference]: Finished difference Result 3698 states and 5112 transitions. [2022-10-16 13:59:02,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-10-16 13:59:02,567 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 10.058823529411764) internal successors, (171), 13 states have internal predecessors, (171), 6 states have call successors, (47), 11 states have call predecessors, (47), 5 states have return successors, (45), 6 states have call predecessors, (45), 4 states have call successors, (45) Word has length 180 [2022-10-16 13:59:02,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:59:02,593 INFO L225 Difference]: With dead ends: 3698 [2022-10-16 13:59:02,593 INFO L226 Difference]: Without dead ends: 3358 [2022-10-16 13:59:02,597 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 465 GetRequests, 411 SyntacticMatches, 1 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 776 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=806, Invalid=2164, Unknown=0, NotChecked=0, Total=2970 [2022-10-16 13:59:02,598 INFO L413 NwaCegarLoop]: 1294 mSDtfsCounter, 5069 mSDsluCounter, 3319 mSDsCounter, 0 mSdLazyCounter, 3575 mSolverCounterSat, 3798 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5322 SdHoareTripleChecker+Valid, 4613 SdHoareTripleChecker+Invalid, 7377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3798 IncrementalHoareTripleChecker+Valid, 3575 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.8s IncrementalHoareTripleChecker+Time [2022-10-16 13:59:02,598 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5322 Valid, 4613 Invalid, 7377 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3798 Valid, 3575 Invalid, 4 Unknown, 0 Unchecked, 20.8s Time] [2022-10-16 13:59:02,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3358 states. [2022-10-16 13:59:02,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3358 to 2809. [2022-10-16 13:59:02,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2809 states, 1990 states have (on average 1.2326633165829146) internal successors, (2453), 2026 states have internal predecessors, (2453), 601 states have call successors, (601), 201 states have call predecessors, (601), 200 states have return successors, (610), 595 states have call predecessors, (610), 590 states have call successors, (610) [2022-10-16 13:59:02,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2809 states to 2809 states and 3664 transitions. [2022-10-16 13:59:02,872 INFO L78 Accepts]: Start accepts. Automaton has 2809 states and 3664 transitions. Word has length 180 [2022-10-16 13:59:02,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:59:02,879 INFO L495 AbstractCegarLoop]: Abstraction has 2809 states and 3664 transitions. [2022-10-16 13:59:02,879 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 10.058823529411764) internal successors, (171), 13 states have internal predecessors, (171), 6 states have call successors, (47), 11 states have call predecessors, (47), 5 states have return successors, (45), 6 states have call predecessors, (45), 4 states have call successors, (45) [2022-10-16 13:59:02,879 INFO L276 IsEmpty]: Start isEmpty. Operand 2809 states and 3664 transitions. [2022-10-16 13:59:02,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2022-10-16 13:59:02,883 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:59:02,884 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2022-10-16 13:59:02,940 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 13:59:03,100 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,SelfDestructingSolverStorable5 [2022-10-16 13:59:03,100 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_linux_usb_urb_usb_alloc_urbErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_linux_usb_urb_usb_alloc_urbErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 30 more)] === [2022-10-16 13:59:03,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:59:03,102 INFO L85 PathProgramCache]: Analyzing trace with hash -32634789, now seen corresponding path program 1 times [2022-10-16 13:59:03,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:59:03,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797787700] [2022-10-16 13:59:03,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:59:03,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:59:03,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:03,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:59:03,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:03,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 13:59:03,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:03,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-16 13:59:03,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:03,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 13:59:03,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:03,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-10-16 13:59:03,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:03,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:59:03,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:03,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:59:03,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:03,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:59:03,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:03,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-16 13:59:03,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:03,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:59:03,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:03,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:59:03,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:03,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:59:03,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:03,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-16 13:59:03,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:03,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:59:03,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:03,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:59:03,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:03,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:59:03,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:03,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-10-16 13:59:03,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:03,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:59:03,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:03,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:59:03,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:03,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:59:03,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:03,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-10-16 13:59:03,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:03,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:59:03,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:03,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:59:03,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:03,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:59:03,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:03,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-10-16 13:59:03,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:03,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-10-16 13:59:03,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:03,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-10-16 13:59:03,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:03,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-10-16 13:59:03,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:03,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-10-16 13:59:03,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:03,918 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2022-10-16 13:59:03,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:59:03,919 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797787700] [2022-10-16 13:59:03,919 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [797787700] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:59:03,919 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:59:03,919 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-10-16 13:59:03,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965318474] [2022-10-16 13:59:03,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:59:03,920 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 13:59:03,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:59:03,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 13:59:03,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 13:59:03,921 INFO L87 Difference]: Start difference. First operand 2809 states and 3664 transitions. Second operand has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2022-10-16 13:59:10,992 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:59:13,018 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:59:15,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:59:17,931 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:59:20,507 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:59:22,538 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:59:24,570 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:59:27,347 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:59:29,366 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:59:30,911 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:59:33,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:59:33,748 INFO L93 Difference]: Finished difference Result 6476 states and 8812 transitions. [2022-10-16 13:59:33,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-16 13:59:33,749 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 183 [2022-10-16 13:59:33,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:59:33,780 INFO L225 Difference]: With dead ends: 6476 [2022-10-16 13:59:33,780 INFO L226 Difference]: Without dead ends: 3726 [2022-10-16 13:59:33,795 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=239, Unknown=0, NotChecked=0, Total=306 [2022-10-16 13:59:33,796 INFO L413 NwaCegarLoop]: 990 mSDtfsCounter, 1392 mSDsluCounter, 2966 mSDsCounter, 0 mSdLazyCounter, 2726 mSolverCounterSat, 1070 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1408 SdHoareTripleChecker+Valid, 3956 SdHoareTripleChecker+Invalid, 3805 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1070 IncrementalHoareTripleChecker+Valid, 2726 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.3s IncrementalHoareTripleChecker+Time [2022-10-16 13:59:33,797 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1408 Valid, 3956 Invalid, 3805 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1070 Valid, 2726 Invalid, 9 Unknown, 0 Unchecked, 29.3s Time] [2022-10-16 13:59:33,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3726 states. [2022-10-16 13:59:34,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3726 to 2821. [2022-10-16 13:59:34,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2821 states, 2002 states have (on average 1.2312687312687314) internal successors, (2465), 2038 states have internal predecessors, (2465), 601 states have call successors, (601), 201 states have call predecessors, (601), 200 states have return successors, (610), 595 states have call predecessors, (610), 590 states have call successors, (610) [2022-10-16 13:59:34,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2821 states to 2821 states and 3676 transitions. [2022-10-16 13:59:34,148 INFO L78 Accepts]: Start accepts. Automaton has 2821 states and 3676 transitions. Word has length 183 [2022-10-16 13:59:34,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:59:34,149 INFO L495 AbstractCegarLoop]: Abstraction has 2821 states and 3676 transitions. [2022-10-16 13:59:34,150 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2022-10-16 13:59:34,150 INFO L276 IsEmpty]: Start isEmpty. Operand 2821 states and 3676 transitions. [2022-10-16 13:59:34,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2022-10-16 13:59:34,154 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:59:34,154 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2022-10-16 13:59:34,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 13:59:34,155 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_linux_usb_urb_usb_alloc_urbErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_linux_usb_urb_usb_alloc_urbErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 30 more)] === [2022-10-16 13:59:34,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:59:34,156 INFO L85 PathProgramCache]: Analyzing trace with hash -32634727, now seen corresponding path program 1 times [2022-10-16 13:59:34,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:59:34,156 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835162384] [2022-10-16 13:59:34,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:59:34,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:59:34,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:34,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:59:34,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:34,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 13:59:34,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:34,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-16 13:59:34,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:34,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 13:59:34,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:34,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-10-16 13:59:34,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:34,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:59:34,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:34,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:59:34,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:34,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:59:34,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:34,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-16 13:59:34,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:34,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:59:34,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:34,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:59:34,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:34,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:59:34,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:34,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-16 13:59:34,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:34,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:59:34,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:34,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:59:34,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:34,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:59:34,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:34,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-10-16 13:59:34,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:34,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:59:34,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:34,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:59:34,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:34,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:59:34,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:34,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-10-16 13:59:34,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:34,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:59:34,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:34,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:59:34,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:34,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:59:34,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:34,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-10-16 13:59:34,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:34,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-10-16 13:59:34,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:34,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-10-16 13:59:34,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:34,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-10-16 13:59:34,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:34,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-10-16 13:59:34,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:34,864 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2022-10-16 13:59:34,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:59:34,865 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835162384] [2022-10-16 13:59:34,865 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835162384] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:59:34,865 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:59:34,865 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 13:59:34,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224996082] [2022-10-16 13:59:34,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:59:34,866 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 13:59:34,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:59:34,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 13:59:34,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 13:59:34,867 INFO L87 Difference]: Start difference. First operand 2821 states and 3676 transitions. Second operand has 7 states, 6 states have (on average 10.666666666666666) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-10-16 13:59:40,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:59:42,238 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:59:45,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:59:45,074 INFO L93 Difference]: Finished difference Result 3553 states and 4979 transitions. [2022-10-16 13:59:45,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 13:59:45,075 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 10.666666666666666) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 183 [2022-10-16 13:59:45,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:59:45,101 INFO L225 Difference]: With dead ends: 3553 [2022-10-16 13:59:45,101 INFO L226 Difference]: Without dead ends: 3551 [2022-10-16 13:59:45,104 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-10-16 13:59:45,105 INFO L413 NwaCegarLoop]: 862 mSDtfsCounter, 1155 mSDsluCounter, 1545 mSDsCounter, 0 mSdLazyCounter, 1600 mSolverCounterSat, 1056 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1169 SdHoareTripleChecker+Valid, 2407 SdHoareTripleChecker+Invalid, 2657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1056 IncrementalHoareTripleChecker+Valid, 1600 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2022-10-16 13:59:45,105 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1169 Valid, 2407 Invalid, 2657 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1056 Valid, 1600 Invalid, 1 Unknown, 0 Unchecked, 9.8s Time] [2022-10-16 13:59:45,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3551 states. [2022-10-16 13:59:45,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3551 to 2909. [2022-10-16 13:59:45,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2909 states, 2084 states have (on average 1.2312859884836853) internal successors, (2566), 2120 states have internal predecessors, (2566), 607 states have call successors, (607), 201 states have call predecessors, (607), 200 states have return successors, (616), 601 states have call predecessors, (616), 596 states have call successors, (616) [2022-10-16 13:59:45,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2909 states to 2909 states and 3789 transitions. [2022-10-16 13:59:45,368 INFO L78 Accepts]: Start accepts. Automaton has 2909 states and 3789 transitions. Word has length 183 [2022-10-16 13:59:45,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:59:45,369 INFO L495 AbstractCegarLoop]: Abstraction has 2909 states and 3789 transitions. [2022-10-16 13:59:45,369 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 10.666666666666666) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-10-16 13:59:45,369 INFO L276 IsEmpty]: Start isEmpty. Operand 2909 states and 3789 transitions. [2022-10-16 13:59:45,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2022-10-16 13:59:45,372 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:59:45,373 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2022-10-16 13:59:45,373 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 13:59:45,373 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_usb_dev_usb_put_devErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_linux_usb_urb_usb_alloc_urbErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_linux_usb_urb_usb_alloc_urbErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 30 more)] === [2022-10-16 13:59:45,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:59:45,374 INFO L85 PathProgramCache]: Analyzing trace with hash -1672227243, now seen corresponding path program 1 times [2022-10-16 13:59:45,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:59:45,374 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117261704] [2022-10-16 13:59:45,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:59:45,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:59:45,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:46,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:59:46,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:46,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 13:59:46,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:46,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-16 13:59:46,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:46,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 13:59:46,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:46,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-10-16 13:59:46,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:46,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:59:46,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:46,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:59:46,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:46,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:59:46,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:46,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-16 13:59:46,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:46,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:59:46,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:46,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:59:46,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:46,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:59:46,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:46,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-16 13:59:46,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:46,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:59:46,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:46,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:59:46,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:46,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:59:46,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:46,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-10-16 13:59:46,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:46,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:59:46,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:46,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:59:46,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:46,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:59:46,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:46,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-10-16 13:59:46,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:46,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:59:46,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:46,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:59:46,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:46,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:59:46,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:46,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-10-16 13:59:46,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:46,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-10-16 13:59:46,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:46,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-10-16 13:59:46,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:46,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-10-16 13:59:46,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:46,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-10-16 13:59:46,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:46,295 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2022-10-16 13:59:46,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:59:46,296 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117261704] [2022-10-16 13:59:46,296 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117261704] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:59:46,296 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:59:46,296 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-10-16 13:59:46,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561508735] [2022-10-16 13:59:46,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:59:46,298 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 13:59:46,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:59:46,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 13:59:46,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 13:59:46,299 INFO L87 Difference]: Start difference. First operand 2909 states and 3789 transitions. Second operand has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (18), 7 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-10-16 13:59:54,246 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:59:56,653 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:59:59,076 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 14:00:01,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 14:00:03,832 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 14:00:05,382 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 14:00:08,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 14:00:11,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:00:11,737 INFO L93 Difference]: Finished difference Result 3890 states and 5298 transitions. [2022-10-16 14:00:11,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-10-16 14:00:11,738 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (18), 7 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 186 [2022-10-16 14:00:11,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:00:11,773 INFO L225 Difference]: With dead ends: 3890 [2022-10-16 14:00:11,773 INFO L226 Difference]: Without dead ends: 3077 [2022-10-16 14:00:11,778 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=167, Invalid=483, Unknown=0, NotChecked=0, Total=650 [2022-10-16 14:00:11,779 INFO L413 NwaCegarLoop]: 999 mSDtfsCounter, 3405 mSDsluCounter, 2487 mSDsCounter, 0 mSdLazyCounter, 3111 mSolverCounterSat, 2640 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3538 SdHoareTripleChecker+Valid, 3486 SdHoareTripleChecker+Invalid, 5755 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2640 IncrementalHoareTripleChecker+Valid, 3111 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.7s IncrementalHoareTripleChecker+Time [2022-10-16 14:00:11,779 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3538 Valid, 3486 Invalid, 5755 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2640 Valid, 3111 Invalid, 4 Unknown, 0 Unchecked, 24.7s Time] [2022-10-16 14:00:11,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3077 states. [2022-10-16 14:00:12,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3077 to 2541. [2022-10-16 14:00:12,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2541 states, 1810 states have (on average 1.2342541436464087) internal successors, (2234), 1837 states have internal predecessors, (2234), 545 states have call successors, (545), 170 states have call predecessors, (545), 170 states have return successors, (548), 543 states have call predecessors, (548), 541 states have call successors, (548) [2022-10-16 14:00:12,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2541 states to 2541 states and 3327 transitions. [2022-10-16 14:00:12,086 INFO L78 Accepts]: Start accepts. Automaton has 2541 states and 3327 transitions. Word has length 186 [2022-10-16 14:00:12,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:00:12,087 INFO L495 AbstractCegarLoop]: Abstraction has 2541 states and 3327 transitions. [2022-10-16 14:00:12,087 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (18), 7 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-10-16 14:00:12,087 INFO L276 IsEmpty]: Start isEmpty. Operand 2541 states and 3327 transitions. [2022-10-16 14:00:12,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2022-10-16 14:00:12,091 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:00:12,091 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2022-10-16 14:00:12,091 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 14:00:12,092 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_linux_usb_urb_usb_alloc_urbErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_linux_usb_urb_usb_alloc_urbErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 30 more)] === [2022-10-16 14:00:12,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:00:12,093 INFO L85 PathProgramCache]: Analyzing trace with hash 1187987299, now seen corresponding path program 1 times [2022-10-16 14:00:12,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:00:12,093 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554244567] [2022-10-16 14:00:12,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:00:12,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:00:12,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:12,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:00:12,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:12,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 14:00:12,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:12,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-16 14:00:12,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:12,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 14:00:12,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:12,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-10-16 14:00:12,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:12,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:00:12,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:12,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:00:12,610 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 11 [2022-10-16 14:00:12,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:12,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-16 14:00:12,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:12,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:00:12,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:12,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:00:12,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:12,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:00:12,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:12,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-16 14:00:12,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:12,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:00:12,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:12,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:00:12,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:12,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:00:12,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:12,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-10-16 14:00:12,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:12,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:00:12,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:12,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:00:12,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:12,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:00:12,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:12,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-10-16 14:00:12,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:12,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:00:12,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:12,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:00:12,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:12,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:00:12,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:12,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-10-16 14:00:12,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:12,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-10-16 14:00:12,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:12,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-10-16 14:00:12,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:12,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-10-16 14:00:12,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:12,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-10-16 14:00:12,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:12,782 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 382 trivial. 0 not checked. [2022-10-16 14:00:12,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:00:12,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554244567] [2022-10-16 14:00:12,782 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [554244567] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:00:12,782 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:00:12,783 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-10-16 14:00:12,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616938226] [2022-10-16 14:00:12,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:00:12,783 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 14:00:12,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:00:12,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 14:00:12,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 14:00:12,785 INFO L87 Difference]: Start difference. First operand 2541 states and 3327 transitions. Second operand has 9 states, 9 states have (on average 8.11111111111111) internal successors, (73), 5 states have internal predecessors, (73), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-10-16 14:00:19,039 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 14:00:21,071 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 14:00:23,837 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 14:00:26,000 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 14:00:28,253 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 14:00:30,279 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 14:00:32,301 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 14:00:34,848 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 14:00:37,057 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 14:00:39,097 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 14:00:41,134 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 14:00:43,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:00:43,050 INFO L93 Difference]: Finished difference Result 5594 states and 7638 transitions. [2022-10-16 14:00:43,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-16 14:00:43,051 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.11111111111111) internal successors, (73), 5 states have internal predecessors, (73), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 192 [2022-10-16 14:00:43,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:00:43,066 INFO L225 Difference]: With dead ends: 5594 [2022-10-16 14:00:43,067 INFO L226 Difference]: Without dead ends: 3172 [2022-10-16 14:00:43,076 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=239, Unknown=0, NotChecked=0, Total=306 [2022-10-16 14:00:43,077 INFO L413 NwaCegarLoop]: 869 mSDtfsCounter, 1142 mSDsluCounter, 2429 mSDsCounter, 0 mSdLazyCounter, 2728 mSolverCounterSat, 963 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1144 SdHoareTripleChecker+Valid, 3298 SdHoareTripleChecker+Invalid, 3702 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 963 IncrementalHoareTripleChecker+Valid, 2728 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.8s IncrementalHoareTripleChecker+Time [2022-10-16 14:00:43,078 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1144 Valid, 3298 Invalid, 3702 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [963 Valid, 2728 Invalid, 11 Unknown, 0 Unchecked, 29.8s Time] [2022-10-16 14:00:43,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3172 states. [2022-10-16 14:00:43,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3172 to 2559. [2022-10-16 14:00:43,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2559 states, 1828 states have (on average 1.2319474835886215) internal successors, (2252), 1855 states have internal predecessors, (2252), 545 states have call successors, (545), 170 states have call predecessors, (545), 170 states have return successors, (548), 543 states have call predecessors, (548), 541 states have call successors, (548) [2022-10-16 14:00:43,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2559 states to 2559 states and 3345 transitions. [2022-10-16 14:00:43,321 INFO L78 Accepts]: Start accepts. Automaton has 2559 states and 3345 transitions. Word has length 192 [2022-10-16 14:00:43,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:00:43,322 INFO L495 AbstractCegarLoop]: Abstraction has 2559 states and 3345 transitions. [2022-10-16 14:00:43,322 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.11111111111111) internal successors, (73), 5 states have internal predecessors, (73), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-10-16 14:00:43,322 INFO L276 IsEmpty]: Start isEmpty. Operand 2559 states and 3345 transitions. [2022-10-16 14:00:43,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2022-10-16 14:00:43,325 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:00:43,325 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2022-10-16 14:00:43,326 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 14:00:43,326 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_linux_usb_urb_usb_alloc_urbErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_linux_usb_urb_usb_alloc_urbErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 30 more)] === [2022-10-16 14:00:43,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:00:43,327 INFO L85 PathProgramCache]: Analyzing trace with hash 1856049130, now seen corresponding path program 1 times [2022-10-16 14:00:43,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:00:43,327 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775551299] [2022-10-16 14:00:43,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:00:43,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:00:43,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:43,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:00:43,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:43,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 14:00:43,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:43,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-16 14:00:43,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:43,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 14:00:43,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:43,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-10-16 14:00:43,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:43,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:00:43,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:43,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:00:43,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:43,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:00:43,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:43,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-16 14:00:43,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:43,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:00:43,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:43,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:00:43,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:43,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:00:43,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:43,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-16 14:00:43,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:43,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:00:43,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:43,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:00:43,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:43,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:00:43,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:43,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-10-16 14:00:43,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:43,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:00:43,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:43,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:00:43,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:43,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:00:43,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:43,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-10-16 14:00:43,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:43,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:00:43,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:44,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:00:44,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:44,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:00:44,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:44,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-10-16 14:00:44,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:44,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-10-16 14:00:44,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:44,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-10-16 14:00:44,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:44,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-10-16 14:00:44,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:44,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-10-16 14:00:44,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:44,075 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2022-10-16 14:00:44,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:00:44,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775551299] [2022-10-16 14:00:44,075 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775551299] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:00:44,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1627289697] [2022-10-16 14:00:44,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:00:44,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:00:44,076 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:00:44,086 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 14:00:44,087 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 14:00:44,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:44,986 INFO L263 TraceCheckSpWp]: Trace formula consists of 3442 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 14:00:45,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:00:45,069 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2022-10-16 14:00:45,070 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:00:45,246 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2022-10-16 14:00:45,246 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1627289697] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:00:45,247 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:00:45,247 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 3, 3] total 10 [2022-10-16 14:00:45,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191904651] [2022-10-16 14:00:45,247 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:00:45,248 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-10-16 14:00:45,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:00:45,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-10-16 14:00:45,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2022-10-16 14:00:45,249 INFO L87 Difference]: Start difference. First operand 2559 states and 3345 transitions. Second operand has 11 states, 10 states have (on average 12.9) internal successors, (129), 7 states have internal predecessors, (129), 4 states have call successors, (29), 5 states have call predecessors, (29), 1 states have return successors, (21), 4 states have call predecessors, (21), 4 states have call successors, (21) [2022-10-16 14:00:51,048 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 14:00:54,375 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 14:00:56,399 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []