/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain IntervalDomain -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--fddi--defxx.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 01:46:26,395 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 01:46:26,397 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 01:46:26,427 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 01:46:26,428 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 01:46:26,430 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 01:46:26,434 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 01:46:26,436 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 01:46:26,438 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 01:46:26,443 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 01:46:26,444 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 01:46:26,446 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 01:46:26,447 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 01:46:26,449 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 01:46:26,451 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 01:46:26,452 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 01:46:26,453 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 01:46:26,453 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 01:46:26,455 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 01:46:26,460 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 01:46:26,461 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 01:46:26,463 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 01:46:26,464 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 01:46:26,465 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 01:46:26,468 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 01:46:26,468 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 01:46:26,468 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 01:46:26,470 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 01:46:26,470 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 01:46:26,473 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 01:46:26,473 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 01:46:26,474 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 01:46:26,476 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 01:46:26,476 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 01:46:26,477 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 01:46:26,477 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 01:46:26,478 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 01:46:26,478 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 01:46:26,478 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 01:46:26,479 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 01:46:26,479 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 01:46:26,481 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-01 01:46:26,517 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 01:46:26,517 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 01:46:26,518 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 01:46:26,518 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 01:46:26,519 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 01:46:26,519 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 01:46:26,519 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 01:46:26,519 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 01:46:26,519 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 01:46:26,519 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 01:46:26,520 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 01:46:26,520 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 01:46:26,520 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 01:46:26,521 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 01:46:26,521 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 01:46:26,521 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 01:46:26,521 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 01:46:26,521 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 01:46:26,522 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 01:46:26,522 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 01:46:26,522 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 01:46:26,522 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 01:46:26,522 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 01:46:26,522 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 01:46:26,523 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 01:46:26,523 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 01:46:26,523 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 01:46:26,523 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 01:46:26,523 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 01:46:26,523 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 01:46:26,523 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 01:46:26,524 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 01:46:26,524 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 01:46:26,524 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 01:46:26,524 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 01:46:26,524 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 01:46:26,524 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 01:46:26,524 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 01:46:26,524 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 01:46:26,525 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 01:46:26,525 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 01:46:26,525 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2023-04-01 01:46:26,739 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 01:46:26,769 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 01:46:26,773 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 01:46:26,775 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 01:46:26,776 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 01:46:26,777 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--fddi--defxx.ko-entry_point.cil.out.i [2023-04-01 01:46:28,046 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 01:46:28,644 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 01:46:28,645 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--fddi--defxx.ko-entry_point.cil.out.i [2023-04-01 01:46:28,698 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4361bd74c/4d7f7e4774014d07bee986bd41e11574/FLAG9fd950267 [2023-04-01 01:46:28,721 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4361bd74c/4d7f7e4774014d07bee986bd41e11574 [2023-04-01 01:46:28,724 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 01:46:28,726 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 01:46:28,729 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 01:46:28,729 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 01:46:28,732 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 01:46:28,734 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 01:46:28" (1/1) ... [2023-04-01 01:46:28,735 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50e13a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:46:28, skipping insertion in model container [2023-04-01 01:46:28,735 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 01:46:28" (1/1) ... [2023-04-01 01:46:28,741 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 01:46:28,846 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 01:46:31,109 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--fddi--defxx.ko-entry_point.cil.out.i[283284,283297] [2023-04-01 01:46:31,162 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 01:46:31,187 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 01:46:31,507 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--fddi--defxx.ko-entry_point.cil.out.i[283284,283297] [2023-04-01 01:46:31,513 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 01:46:31,602 INFO L208 MainTranslator]: Completed translation [2023-04-01 01:46:31,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:46:31 WrapperNode [2023-04-01 01:46:31,603 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 01:46:31,604 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 01:46:31,604 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 01:46:31,604 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 01:46:31,616 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:46:31" (1/1) ... [2023-04-01 01:46:31,617 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:46:31" (1/1) ... [2023-04-01 01:46:31,711 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:46:31" (1/1) ... [2023-04-01 01:46:31,712 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:46:31" (1/1) ... [2023-04-01 01:46:31,838 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:46:31" (1/1) ... [2023-04-01 01:46:31,909 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:46:31" (1/1) ... [2023-04-01 01:46:31,928 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:46:31" (1/1) ... [2023-04-01 01:46:31,956 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:46:31" (1/1) ... [2023-04-01 01:46:31,991 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 01:46:31,992 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 01:46:31,993 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 01:46:31,993 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 01:46:31,994 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:46:31" (1/1) ... [2023-04-01 01:46:32,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 01:46:32,014 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 01:46:32,028 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) [2023-04-01 01:46:32,036 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 [2023-04-01 01:46:32,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 01:46:32,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 01:46:32,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-04-01 01:46:32,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-04-01 01:46:32,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-04-01 01:46:32,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~TO~int [2023-04-01 01:46:32,068 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 01:46:32,068 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-04-01 01:46:32,068 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-04-01 01:46:32,068 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-04-01 01:46:32,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-04-01 01:46:32,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-04-01 01:46:32,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-04-01 01:46:32,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-04-01 01:46:32,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-04-01 01:46:32,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2023-04-01 01:46:32,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-04-01 01:46:32,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-04-01 01:46:32,069 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-04-01 01:46:32,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_5 [2023-04-01 01:46:32,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_9 [2023-04-01 01:46:32,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_12 [2023-04-01 01:46:32,069 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-04-01 01:46:32,069 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-04-01 01:46:32,069 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-04-01 01:46:32,069 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-04-01 01:46:32,069 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2023-04-01 01:46:32,070 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2023-04-01 01:46:32,070 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2023-04-01 01:46:32,070 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2023-04-01 01:46:32,070 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-04-01 01:46:32,070 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2023-04-01 01:46:32,070 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-04-01 01:46:32,070 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2023-04-01 01:46:32,070 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-04-01 01:46:32,070 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2023-04-01 01:46:32,071 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2023-04-01 01:46:32,071 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_cpu [2023-04-01 01:46:32,071 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2023-04-01 01:46:32,071 INFO L138 BoogieDeclarations]: Found implementation of procedure eisa_driver_register [2023-04-01 01:46:32,072 INFO L138 BoogieDeclarations]: Found implementation of procedure eisa_driver_unregister [2023-04-01 01:46:32,072 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-04-01 01:46:32,072 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-04-01 01:46:32,072 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_to_linear_data [2023-04-01 01:46:32,073 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2023-04-01 01:46:32,073 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-04-01 01:46:32,073 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-04-01 01:46:32,073 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-04-01 01:46:32,073 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2023-04-01 01:46:32,074 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-04-01 01:46:32,074 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2023-04-01 01:46:32,074 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-04-01 01:46:32,074 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2023-04-01 01:46:32,074 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2023-04-01 01:46:32,074 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2023-04-01 01:46:32,075 INFO L138 BoogieDeclarations]: Found implementation of procedure tc_register_driver [2023-04-01 01:46:32,075 INFO L138 BoogieDeclarations]: Found implementation of procedure tc_unregister_driver [2023-04-01 01:46:32,075 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_writel [2023-04-01 01:46:32,075 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_outl [2023-04-01 01:46:32,075 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_port_write_long [2023-04-01 01:46:32,075 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_readl [2023-04-01 01:46:32,075 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_inl [2023-04-01 01:46:32,075 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_port_read_long [2023-04-01 01:46:32,075 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_get_bars [2023-04-01 01:46:32,075 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_register [2023-04-01 01:46:32,075 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_bus_init [2023-04-01 01:46:32,075 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_bus_uninit [2023-04-01 01:46:32,076 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_bus_config_check [2023-04-01 01:46:32,076 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_driver_init [2023-04-01 01:46:32,076 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_adap_init [2023-04-01 01:46:32,076 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_open [2023-04-01 01:46:32,076 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_close [2023-04-01 01:46:32,076 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_int_pr_halt_id [2023-04-01 01:46:32,076 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_int_type_0_process [2023-04-01 01:46:32,076 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_int_common [2023-04-01 01:46:32,076 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_interrupt [2023-04-01 01:46:32,076 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_ctl_get_stats [2023-04-01 01:46:32,076 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_ctl_set_multicast_list [2023-04-01 01:46:32,077 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_ctl_set_mac_address [2023-04-01 01:46:32,078 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_ctl_update_cam [2023-04-01 01:46:32,078 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_ctl_update_filters [2023-04-01 01:46:32,078 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_hw_dma_cmd_req [2023-04-01 01:46:32,078 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_hw_port_ctrl_req [2023-04-01 01:46:32,078 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_hw_adap_reset [2023-04-01 01:46:32,078 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_hw_adap_state_rd [2023-04-01 01:46:32,079 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_hw_dma_uninit [2023-04-01 01:46:32,079 INFO L138 BoogieDeclarations]: Found implementation of procedure my_skb_align [2023-04-01 01:46:32,079 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_rcv_init [2023-04-01 01:46:32,079 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_rcv_queue_process [2023-04-01 01:46:32,079 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_xmt_queue_pkt [2023-04-01 01:46:32,079 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_xmt_done [2023-04-01 01:46:32,079 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_rcv_flush [2023-04-01 01:46:32,079 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_xmt_flush [2023-04-01 01:46:32,080 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_unregister [2023-04-01 01:46:32,080 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_pci_register [2023-04-01 01:46:32,080 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_pci_unregister [2023-04-01 01:46:32,080 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_init [2023-04-01 01:46:32,080 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_cleanup [2023-04-01 01:46:32,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2023-04-01 01:46:32,080 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2023-04-01 01:46:32,080 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2023-04-01 01:46:32,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_3 [2023-04-01 01:46:32,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_driver_2 [2023-04-01 01:46:32,080 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2023-04-01 01:46:32,081 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2023-04-01 01:46:32,081 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 01:46:32,081 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-04-01 01:46:32,081 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-04-01 01:46:32,081 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-04-01 01:46:32,081 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2023-04-01 01:46:32,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_26 [2023-04-01 01:46:32,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_28 [2023-04-01 01:46:32,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_copy_30 [2023-04-01 01:46:32,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_31 [2023-04-01 01:46:32,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_32 [2023-04-01 01:46:32,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_33 [2023-04-01 01:46:32,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_34 [2023-04-01 01:46:32,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_35 [2023-04-01 01:46:32,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_36 [2023-04-01 01:46:32,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_37 [2023-04-01 01:46:32,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_38 [2023-04-01 01:46:32,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_39 [2023-04-01 01:46:32,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_40 [2023-04-01 01:46:32,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_41 [2023-04-01 01:46:32,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_42 [2023-04-01 01:46:32,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_43 [2023-04-01 01:46:32,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_44 [2023-04-01 01:46:32,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___pci_register_driver_45 [2023-04-01 01:46:32,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver_46 [2023-04-01 01:46:32,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-04-01 01:46:32,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-04-01 01:46:32,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2023-04-01 01:46:32,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2023-04-01 01:46:32,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2023-04-01 01:46:32,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-04-01 01:46:32,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2023-04-01 01:46:32,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2023-04-01 01:46:32,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-04-01 01:46:32,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-04-01 01:46:32,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2023-04-01 01:46:32,095 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-04-01 01:46:32,096 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_irq [2023-04-01 01:46:32,096 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2023-04-01 01:46:32,096 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-04-01 01:46:32,096 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-04-01 01:46:32,096 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-04-01 01:46:32,096 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2023-04-01 01:46:32,096 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2023-04-01 01:46:32,096 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2023-04-01 01:46:32,096 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2023-04-01 01:46:32,096 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_fddidev [2023-04-01 01:46:32,096 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-04-01 01:46:32,096 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2023-04-01 01:46:32,096 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_mapping_error [2023-04-01 01:46:32,097 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_sync_single_for_cpu [2023-04-01 01:46:32,097 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2023-04-01 01:46:32,097 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-04-01 01:46:32,097 INFO L138 BoogieDeclarations]: Found implementation of procedure fddi_type_trans [2023-04-01 01:46:32,097 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-04-01 01:46:32,097 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-04-01 01:46:32,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2023-04-01 01:46:32,097 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-04-01 01:46:32,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-04-01 01:46:32,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-04-01 01:46:32,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_init_3 [2023-04-01 01:46:32,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_uninit_3 [2023-04-01 01:46:32,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_2 [2023-04-01 01:46:32,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2023-04-01 01:46:32,097 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2023-04-01 01:46:32,098 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2023-04-01 01:46:32,098 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_read_config_byte [2023-04-01 01:46:32,098 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_write_config_byte [2023-04-01 01:46:32,098 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-04-01 01:46:32,098 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2023-04-01 01:46:32,098 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2023-04-01 01:46:32,098 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2023-04-01 01:46:32,099 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-04-01 01:46:32,099 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2023-04-01 01:46:32,099 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2023-04-01 01:46:32,099 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2023-04-01 01:46:32,099 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2023-04-01 01:46:32,099 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-04-01 01:46:32,099 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2023-04-01 01:46:32,099 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-04-01 01:46:32,099 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-04-01 01:46:32,099 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-04-01 01:46:32,099 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-04-01 01:46:32,100 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2023-04-01 01:46:32,100 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 01:46:32,100 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 01:46:32,100 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-01 01:46:32,100 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-01 01:46:32,100 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 01:46:32,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 01:46:32,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-04-01 01:46:32,100 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-04-01 01:46:32,100 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-04-01 01:46:32,100 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-04-01 01:46:32,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-04-01 01:46:32,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-04-01 01:46:32,101 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-01 01:46:32,101 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2023-04-01 01:46:32,101 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2023-04-01 01:46:32,101 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 01:46:32,101 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-04-01 01:46:32,101 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-04-01 01:46:32,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-04-01 01:46:32,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-01 01:46:32,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-04-01 01:46:32,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-04-01 01:46:32,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-04-01 01:46:32,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-04-01 01:46:32,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-04-01 01:46:32,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-04-01 01:46:32,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2023-04-01 01:46:32,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-04-01 01:46:32,102 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-04-01 01:46:32,102 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2023-04-01 01:46:32,102 INFO L130 BoogieDeclarations]: Found specification of procedure memmove [2023-04-01 01:46:32,102 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-04-01 01:46:32,102 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2023-04-01 01:46:32,102 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2023-04-01 01:46:32,102 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2023-04-01 01:46:32,102 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-04-01 01:46:32,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_5 [2023-04-01 01:46:32,102 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-04-01 01:46:32,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_9 [2023-04-01 01:46:32,103 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-04-01 01:46:32,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_12 [2023-04-01 01:46:32,103 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-04-01 01:46:32,103 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2023-04-01 01:46:32,103 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-04-01 01:46:32,103 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-04-01 01:46:32,103 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-04-01 01:46:32,103 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2023-04-01 01:46:32,103 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-04-01 01:46:32,103 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-04-01 01:46:32,103 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-04-01 01:46:32,103 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2023-04-01 01:46:32,103 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2023-04-01 01:46:32,104 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2023-04-01 01:46:32,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-01 01:46:32,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-04-01 01:46:32,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2023-04-01 01:46:32,104 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2023-04-01 01:46:32,104 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2023-04-01 01:46:32,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_3 [2023-04-01 01:46:32,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_driver_2 [2023-04-01 01:46:32,105 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2023-04-01 01:46:32,108 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2023-04-01 01:46:32,108 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-04-01 01:46:32,109 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2023-04-01 01:46:32,109 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-04-01 01:46:32,109 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2023-04-01 01:46:32,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-01 01:46:32,109 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-04-01 01:46:32,109 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2023-04-01 01:46:32,110 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2023-04-01 01:46:32,110 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_mapping_error [2023-04-01 01:46:32,110 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2023-04-01 01:46:32,110 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_sync_single_for_cpu [2023-04-01 01:46:32,110 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-04-01 01:46:32,110 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2023-04-01 01:46:32,110 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-04-01 01:46:32,110 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2023-04-01 01:46:32,110 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-04-01 01:46:32,110 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_cpu [2023-04-01 01:46:32,110 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-04-01 01:46:32,110 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2023-04-01 01:46:32,110 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~TO~int [2023-04-01 01:46:32,110 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-04-01 01:46:32,111 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2023-04-01 01:46:32,111 INFO L130 BoogieDeclarations]: Found specification of procedure eisa_driver_register [2023-04-01 01:46:32,111 INFO L130 BoogieDeclarations]: Found specification of procedure eisa_driver_unregister [2023-04-01 01:46:32,111 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-04-01 01:46:32,111 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_28 [2023-04-01 01:46:32,111 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_36 [2023-04-01 01:46:32,111 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_copy_30 [2023-04-01 01:46:32,111 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_26 [2023-04-01 01:46:32,111 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_34 [2023-04-01 01:46:32,111 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_35 [2023-04-01 01:46:32,111 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-04-01 01:46:32,111 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2023-04-01 01:46:32,111 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2023-04-01 01:46:32,111 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-04-01 01:46:32,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 01:46:32,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 01:46:32,112 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_31 [2023-04-01 01:46:32,112 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_32 [2023-04-01 01:46:32,112 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_33 [2023-04-01 01:46:32,112 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_42 [2023-04-01 01:46:32,112 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-04-01 01:46:32,112 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_to_linear_data [2023-04-01 01:46:32,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-04-01 01:46:32,112 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2023-04-01 01:46:32,112 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2023-04-01 01:46:32,112 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_39 [2023-04-01 01:46:32,112 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-04-01 01:46:32,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_40 [2023-04-01 01:46:32,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_41 [2023-04-01 01:46:32,113 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-04-01 01:46:32,113 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-04-01 01:46:32,113 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-04-01 01:46:32,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_38 [2023-04-01 01:46:32,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_44 [2023-04-01 01:46:32,113 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-04-01 01:46:32,113 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2023-04-01 01:46:32,113 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2023-04-01 01:46:32,113 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-04-01 01:46:32,113 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2023-04-01 01:46:32,113 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-04-01 01:46:32,113 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_irq [2023-04-01 01:46:32,113 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2023-04-01 01:46:32,114 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2023-04-01 01:46:32,114 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2023-04-01 01:46:32,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_37 [2023-04-01 01:46:32,114 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2023-04-01 01:46:32,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_43 [2023-04-01 01:46:32,114 INFO L130 BoogieDeclarations]: Found specification of procedure fddi_type_trans [2023-04-01 01:46:32,114 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_fddidev [2023-04-01 01:46:32,114 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_read_config_byte [2023-04-01 01:46:32,114 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_write_config_byte [2023-04-01 01:46:32,114 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2023-04-01 01:46:32,114 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2023-04-01 01:46:32,114 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2023-04-01 01:46:32,114 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-04-01 01:46:32,114 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2023-04-01 01:46:32,115 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2023-04-01 01:46:32,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___pci_register_driver_45 [2023-04-01 01:46:32,115 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2023-04-01 01:46:32,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver_46 [2023-04-01 01:46:32,115 INFO L130 BoogieDeclarations]: Found specification of procedure tc_register_driver [2023-04-01 01:46:32,115 INFO L130 BoogieDeclarations]: Found specification of procedure tc_unregister_driver [2023-04-01 01:46:32,115 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_bus_init [2023-04-01 01:46:32,115 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_bus_uninit [2023-04-01 01:46:32,115 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_bus_config_check [2023-04-01 01:46:32,115 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_driver_init [2023-04-01 01:46:32,115 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_adap_init [2023-04-01 01:46:32,115 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_open [2023-04-01 01:46:32,115 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_close [2023-04-01 01:46:32,115 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_int_pr_halt_id [2023-04-01 01:46:32,116 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_int_type_0_process [2023-04-01 01:46:32,116 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_int_common [2023-04-01 01:46:32,116 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_interrupt [2023-04-01 01:46:32,116 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_ctl_get_stats [2023-04-01 01:46:32,116 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_ctl_set_multicast_list [2023-04-01 01:46:32,116 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_ctl_set_mac_address [2023-04-01 01:46:32,116 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_ctl_update_cam [2023-04-01 01:46:32,116 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_ctl_update_filters [2023-04-01 01:46:32,116 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_hw_dma_cmd_req [2023-04-01 01:46:32,116 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_hw_port_ctrl_req [2023-04-01 01:46:32,116 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_hw_adap_reset [2023-04-01 01:46:32,116 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_hw_adap_state_rd [2023-04-01 01:46:32,116 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_hw_dma_uninit [2023-04-01 01:46:32,116 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_rcv_init [2023-04-01 01:46:32,117 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_rcv_queue_process [2023-04-01 01:46:32,117 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_rcv_flush [2023-04-01 01:46:32,117 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_xmt_queue_pkt [2023-04-01 01:46:32,117 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_xmt_done [2023-04-01 01:46:32,117 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_xmt_flush [2023-04-01 01:46:32,117 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_writel [2023-04-01 01:46:32,117 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_outl [2023-04-01 01:46:32,117 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_port_write_long [2023-04-01 01:46:32,117 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_readl [2023-04-01 01:46:32,117 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_inl [2023-04-01 01:46:32,117 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_port_read_long [2023-04-01 01:46:32,117 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_get_bars [2023-04-01 01:46:32,117 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_register [2023-04-01 01:46:32,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-01 01:46:32,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 01:46:32,118 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2023-04-01 01:46:32,118 INFO L130 BoogieDeclarations]: Found specification of procedure my_skb_align [2023-04-01 01:46:32,118 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_unregister [2023-04-01 01:46:32,118 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_pci_register [2023-04-01 01:46:32,118 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_pci_unregister [2023-04-01 01:46:32,118 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_init [2023-04-01 01:46:32,118 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_cleanup [2023-04-01 01:46:32,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_3 [2023-04-01 01:46:32,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_2 [2023-04-01 01:46:32,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-04-01 01:46:32,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-04-01 01:46:32,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_3 [2023-04-01 01:46:32,119 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 01:46:32,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-04-01 01:46:32,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-04-01 01:46:32,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2023-04-01 01:46:32,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2023-04-01 01:46:32,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2023-04-01 01:46:32,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2023-04-01 01:46:32,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2023-04-01 01:46:32,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2023-04-01 01:46:32,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2023-04-01 01:46:32,119 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2023-04-01 01:46:32,119 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-01 01:46:32,119 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-04-01 01:46:32,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 01:46:32,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 01:46:32,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-01 01:46:32,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-04-01 01:46:32,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 01:46:32,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-04-01 01:46:32,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-04-01 01:46:32,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-04-01 01:46:32,893 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 01:46:32,902 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 01:46:32,981 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-04-01 01:46:46,222 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 01:46:47,200 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 01:46:47,200 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-04-01 01:46:47,207 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 01:46:47 BoogieIcfgContainer [2023-04-01 01:46:47,207 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 01:46:47,210 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 01:46:47,210 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 01:46:47,213 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 01:46:47,213 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 01:46:28" (1/3) ... [2023-04-01 01:46:47,214 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11a919c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 01:46:47, skipping insertion in model container [2023-04-01 01:46:47,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:46:31" (2/3) ... [2023-04-01 01:46:47,214 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11a919c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 01:46:47, skipping insertion in model container [2023-04-01 01:46:47,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 01:46:47" (3/3) ... [2023-04-01 01:46:47,216 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--fddi--defxx.ko-entry_point.cil.out.i [2023-04-01 01:46:47,236 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 01:46:47,236 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 01:46:47,327 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 01:46:47,337 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;@4e38060, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 01:46:47,337 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 01:46:47,349 INFO L276 IsEmpty]: Start isEmpty. Operand has 1419 states, 806 states have (on average 1.249379652605459) internal successors, (1007), 834 states have internal predecessors, (1007), 434 states have call successors, (434), 167 states have call predecessors, (434), 166 states have return successors, (428), 426 states have call predecessors, (428), 428 states have call successors, (428) [2023-04-01 01:46:47,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-04-01 01:46:47,390 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 01:46:47,391 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 01:46:47,392 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 01:46:47,398 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 01:46:47,398 INFO L85 PathProgramCache]: Analyzing trace with hash 1193629237, now seen corresponding path program 1 times [2023-04-01 01:46:47,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 01:46:47,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589326397] [2023-04-01 01:46:47,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 01:46:47,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 01:46:47,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 01:46:48,765 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-04-01 01:46:48,765 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 01:46:48,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589326397] [2023-04-01 01:46:48,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1589326397] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 01:46:48,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 01:46:48,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-01 01:46:48,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205570351] [2023-04-01 01:46:48,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 01:46:48,778 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-01 01:46:48,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 01:46:48,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-01 01:46:48,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-01 01:46:48,821 INFO L87 Difference]: Start difference. First operand has 1419 states, 806 states have (on average 1.249379652605459) internal successors, (1007), 834 states have internal predecessors, (1007), 434 states have call successors, (434), 167 states have call predecessors, (434), 166 states have return successors, (428), 426 states have call predecessors, (428), 428 states have call successors, (428) Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 3 states have call successors, (34), 4 states have call predecessors, (34), 2 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2023-04-01 01:46:53,749 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 [] [2023-04-01 01:46:55,770 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 [] [2023-04-01 01:47:00,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 01:47:00,356 INFO L93 Difference]: Finished difference Result 4142 states and 5566 transitions. [2023-04-01 01:47:00,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-01 01:47:00,359 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 3 states have call successors, (34), 4 states have call predecessors, (34), 2 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 154 [2023-04-01 01:47:00,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 01:47:00,386 INFO L225 Difference]: With dead ends: 4142 [2023-04-01 01:47:00,386 INFO L226 Difference]: Without dead ends: 2701 [2023-04-01 01:47:00,397 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-01 01:47:00,400 INFO L413 NwaCegarLoop]: 1679 mSDtfsCounter, 1831 mSDsluCounter, 4996 mSDsCounter, 0 mSdLazyCounter, 739 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1835 SdHoareTripleChecker+Valid, 6675 SdHoareTripleChecker+Invalid, 744 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 739 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.1s IncrementalHoareTripleChecker+Time [2023-04-01 01:47:00,400 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1835 Valid, 6675 Invalid, 744 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 739 Invalid, 2 Unknown, 0 Unchecked, 11.1s Time] [2023-04-01 01:47:00,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2701 states. [2023-04-01 01:47:00,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2701 to 2686. [2023-04-01 01:47:00,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2686 states, 1551 states have (on average 1.2437137330754353) internal successors, (1929), 1594 states have internal predecessors, (1929), 822 states have call successors, (822), 314 states have call predecessors, (822), 312 states have return successors, (823), 812 states have call predecessors, (823), 820 states have call successors, (823) [2023-04-01 01:47:00,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2686 states to 2686 states and 3574 transitions. [2023-04-01 01:47:00,601 INFO L78 Accepts]: Start accepts. Automaton has 2686 states and 3574 transitions. Word has length 154 [2023-04-01 01:47:00,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 01:47:00,602 INFO L495 AbstractCegarLoop]: Abstraction has 2686 states and 3574 transitions. [2023-04-01 01:47:00,602 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 3 states have call successors, (34), 4 states have call predecessors, (34), 2 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2023-04-01 01:47:00,602 INFO L276 IsEmpty]: Start isEmpty. Operand 2686 states and 3574 transitions. [2023-04-01 01:47:00,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-04-01 01:47:00,619 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 01:47:00,620 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 01:47:00,620 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 01:47:00,620 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 01:47:00,621 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 01:47:00,621 INFO L85 PathProgramCache]: Analyzing trace with hash 1811259448, now seen corresponding path program 1 times [2023-04-01 01:47:00,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 01:47:00,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786606084] [2023-04-01 01:47:00,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 01:47:00,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 01:47:00,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 01:47:01,126 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-04-01 01:47:01,127 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 01:47:01,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786606084] [2023-04-01 01:47:01,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786606084] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 01:47:01,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 01:47:01,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-01 01:47:01,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146658183] [2023-04-01 01:47:01,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 01:47:01,129 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-01 01:47:01,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 01:47:01,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-01 01:47:01,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-01 01:47:01,134 INFO L87 Difference]: Start difference. First operand 2686 states and 3574 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 3 states have call successors, (33), 4 states have call predecessors, (33), 2 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2023-04-01 01:47:05,603 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 [] [2023-04-01 01:47:07,821 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-01 01:47:10,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 01:47:10,952 INFO L93 Difference]: Finished difference Result 6005 states and 7986 transitions. [2023-04-01 01:47:10,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-01 01:47:10,953 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 3 states have call successors, (33), 4 states have call predecessors, (33), 2 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 149 [2023-04-01 01:47:10,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 01:47:10,981 INFO L225 Difference]: With dead ends: 6005 [2023-04-01 01:47:10,981 INFO L226 Difference]: Without dead ends: 4042 [2023-04-01 01:47:10,994 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-01 01:47:10,995 INFO L413 NwaCegarLoop]: 1650 mSDtfsCounter, 1783 mSDsluCounter, 4897 mSDsCounter, 0 mSdLazyCounter, 707 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1787 SdHoareTripleChecker+Valid, 6547 SdHoareTripleChecker+Invalid, 711 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 707 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2023-04-01 01:47:10,995 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1787 Valid, 6547 Invalid, 711 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 707 Invalid, 1 Unknown, 0 Unchecked, 9.5s Time] [2023-04-01 01:47:11,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4042 states. [2023-04-01 01:47:11,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4042 to 4022. [2023-04-01 01:47:11,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4022 states, 2326 states have (on average 1.2437661220980223) internal successors, (2893), 2387 states have internal predecessors, (2893), 1228 states have call successors, (1228), 469 states have call predecessors, (1228), 467 states have return successors, (1231), 1217 states have call predecessors, (1231), 1226 states have call successors, (1231) [2023-04-01 01:47:11,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4022 states to 4022 states and 5352 transitions. [2023-04-01 01:47:11,191 INFO L78 Accepts]: Start accepts. Automaton has 4022 states and 5352 transitions. Word has length 149 [2023-04-01 01:47:11,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 01:47:11,191 INFO L495 AbstractCegarLoop]: Abstraction has 4022 states and 5352 transitions. [2023-04-01 01:47:11,191 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 3 states have call successors, (33), 4 states have call predecessors, (33), 2 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2023-04-01 01:47:11,192 INFO L276 IsEmpty]: Start isEmpty. Operand 4022 states and 5352 transitions. [2023-04-01 01:47:11,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-04-01 01:47:11,202 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 01:47:11,202 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 01:47:11,202 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-01 01:47:11,203 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 01:47:11,203 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 01:47:11,203 INFO L85 PathProgramCache]: Analyzing trace with hash 2016870674, now seen corresponding path program 1 times [2023-04-01 01:47:11,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 01:47:11,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461276156] [2023-04-01 01:47:11,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 01:47:11,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 01:47:11,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 01:47:11,681 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-04-01 01:47:11,681 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 01:47:11,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461276156] [2023-04-01 01:47:11,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1461276156] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 01:47:11,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 01:47:11,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-01 01:47:11,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943958485] [2023-04-01 01:47:11,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 01:47:11,686 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-01 01:47:11,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 01:47:11,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-01 01:47:11,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-01 01:47:11,687 INFO L87 Difference]: Start difference. First operand 4022 states and 5352 transitions. Second operand has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 3 states have call successors, (34), 4 states have call predecessors, (34), 2 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2023-04-01 01:47:16,971 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 [] [2023-04-01 01:47:19,043 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-01 01:47:21,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 01:47:21,999 INFO L93 Difference]: Finished difference Result 7346 states and 9766 transitions. [2023-04-01 01:47:22,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-01 01:47:22,002 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 3 states have call successors, (34), 4 states have call predecessors, (34), 2 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 156 [2023-04-01 01:47:22,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 01:47:22,028 INFO L225 Difference]: With dead ends: 7346 [2023-04-01 01:47:22,029 INFO L226 Difference]: Without dead ends: 4046 [2023-04-01 01:47:22,042 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-01 01:47:22,045 INFO L413 NwaCegarLoop]: 1650 mSDtfsCounter, 1781 mSDsluCounter, 4897 mSDsCounter, 0 mSdLazyCounter, 708 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1785 SdHoareTripleChecker+Valid, 6547 SdHoareTripleChecker+Invalid, 712 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 708 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2023-04-01 01:47:22,046 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1785 Valid, 6547 Invalid, 712 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 708 Invalid, 1 Unknown, 0 Unchecked, 10.0s Time] [2023-04-01 01:47:22,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4046 states. [2023-04-01 01:47:22,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4046 to 4026. [2023-04-01 01:47:22,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4026 states, 2330 states have (on average 1.2433476394849785) internal successors, (2897), 2390 states have internal predecessors, (2897), 1227 states have call successors, (1227), 470 states have call predecessors, (1227), 468 states have return successors, (1230), 1217 states have call predecessors, (1230), 1225 states have call successors, (1230) [2023-04-01 01:47:22,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4026 states to 4026 states and 5354 transitions. [2023-04-01 01:47:22,252 INFO L78 Accepts]: Start accepts. Automaton has 4026 states and 5354 transitions. Word has length 156 [2023-04-01 01:47:22,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 01:47:22,252 INFO L495 AbstractCegarLoop]: Abstraction has 4026 states and 5354 transitions. [2023-04-01 01:47:22,252 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 3 states have call successors, (34), 4 states have call predecessors, (34), 2 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2023-04-01 01:47:22,252 INFO L276 IsEmpty]: Start isEmpty. Operand 4026 states and 5354 transitions. [2023-04-01 01:47:22,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-04-01 01:47:22,264 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 01:47:22,264 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 01:47:22,264 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-01 01:47:22,265 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 01:47:22,265 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 01:47:22,265 INFO L85 PathProgramCache]: Analyzing trace with hash -624461774, now seen corresponding path program 1 times [2023-04-01 01:47:22,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 01:47:22,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444810216] [2023-04-01 01:47:22,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 01:47:22,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 01:47:22,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 01:47:22,687 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-04-01 01:47:22,688 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 01:47:22,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444810216] [2023-04-01 01:47:22,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [444810216] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 01:47:22,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 01:47:22,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-01 01:47:22,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166372604] [2023-04-01 01:47:22,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 01:47:22,689 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-01 01:47:22,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 01:47:22,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-01 01:47:22,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-01 01:47:22,691 INFO L87 Difference]: Start difference. First operand 4026 states and 5354 transitions. Second operand has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 3 states have call successors, (34), 4 states have call predecessors, (34), 2 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24)