./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-icplus-ipg.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-icplus-ipg.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9fae230e52bc983f4c0251cc946bfbc52943e9b9d698b0f694e42af65a9c74e9 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 21:55:32,389 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 21:55:32,467 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-16 21:55:32,474 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 21:55:32,474 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 21:55:32,498 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 21:55:32,499 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 21:55:32,499 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 21:55:32,500 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 21:55:32,500 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 21:55:32,500 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 21:55:32,501 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 21:55:32,501 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 21:55:32,501 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 21:55:32,502 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 21:55:32,504 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 21:55:32,504 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 21:55:32,506 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 21:55:32,507 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 21:55:32,507 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 21:55:32,507 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 21:55:32,508 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 21:55:32,509 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 21:55:32,509 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 21:55:32,511 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 21:55:32,511 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 21:55:32,511 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 21:55:32,512 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 21:55:32,512 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 21:55:32,512 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 21:55:32,513 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 21:55:32,513 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 21:55:32,514 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 21:55:32,514 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 21:55:32,514 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 21:55:32,514 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 21:55:32,515 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 21:55:32,515 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 21:55:32,515 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 21:55:32,515 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9fae230e52bc983f4c0251cc946bfbc52943e9b9d698b0f694e42af65a9c74e9 [2024-11-16 21:55:32,759 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 21:55:32,787 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 21:55:32,809 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 21:55:32,813 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 21:55:32,814 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 21:55:32,815 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-icplus-ipg.cil.i [2024-11-16 21:55:34,282 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 21:55:34,782 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 21:55:34,783 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-icplus-ipg.cil.i [2024-11-16 21:55:34,829 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b19c2053/df0e7bb1b4c74423aa7969b2945efc2f/FLAG144ec66be [2024-11-16 21:55:34,846 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b19c2053/df0e7bb1b4c74423aa7969b2945efc2f [2024-11-16 21:55:34,849 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 21:55:34,851 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 21:55:34,852 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 21:55:34,852 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 21:55:34,857 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 21:55:34,858 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:55:34" (1/1) ... [2024-11-16 21:55:34,859 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29546bf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:55:34, skipping insertion in model container [2024-11-16 21:55:34,859 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:55:34" (1/1) ... [2024-11-16 21:55:34,982 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 21:55:37,869 WARN L250 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-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-icplus-ipg.cil.i[292221,292234] [2024-11-16 21:55:37,874 WARN L250 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-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-icplus-ipg.cil.i[292387,292400] [2024-11-16 21:55:37,875 WARN L250 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-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-icplus-ipg.cil.i[292551,292564] [2024-11-16 21:55:37,875 WARN L250 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-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-icplus-ipg.cil.i[292716,292729] [2024-11-16 21:55:37,924 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 21:55:37,972 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 21:55:38,138 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [5267] [2024-11-16 21:55:38,140 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [5274] [2024-11-16 21:55:38,141 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5281] [2024-11-16 21:55:38,143 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/dfbfd2da522a1f5f4786ee57b863db44/klever-core-work-dir/d4e00c1/linux-kernel-locking-mutex/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [5325-5326] [2024-11-16 21:55:38,143 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (44UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [5331-5333] [2024-11-16 21:55:38,150 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (19), "i" (12UL)); [5529-5530] [2024-11-16 21:55:38,153 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (36), "i" (12UL)); [5563-5564] [2024-11-16 21:55:38,271 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7915] [2024-11-16 21:55:38,353 WARN L250 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-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-icplus-ipg.cil.i[292221,292234] [2024-11-16 21:55:38,353 WARN L250 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-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-icplus-ipg.cil.i[292387,292400] [2024-11-16 21:55:38,354 WARN L250 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-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-icplus-ipg.cil.i[292551,292564] [2024-11-16 21:55:38,354 WARN L250 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-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-icplus-ipg.cil.i[292716,292729] [2024-11-16 21:55:38,366 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 21:55:38,594 INFO L204 MainTranslator]: Completed translation [2024-11-16 21:55:38,595 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:55:38 WrapperNode [2024-11-16 21:55:38,595 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 21:55:38,596 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 21:55:38,596 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 21:55:38,597 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 21:55:38,606 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:55:38" (1/1) ... [2024-11-16 21:55:38,722 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:55:38" (1/1) ... [2024-11-16 21:55:38,896 INFO L138 Inliner]: procedures = 357, calls = 1584, calls flagged for inlining = 198, calls inlined = 187, statements flattened = 4868 [2024-11-16 21:55:38,896 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 21:55:38,897 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 21:55:38,897 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 21:55:38,897 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 21:55:38,912 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:55:38" (1/1) ... [2024-11-16 21:55:38,912 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:55:38" (1/1) ... [2024-11-16 21:55:38,947 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:55:38" (1/1) ... [2024-11-16 21:55:39,788 INFO L175 MemorySlicer]: Split 776 memory accesses to 19 slices as follows [19, 24, 1, 4, 15, 4, 1, 2, 572, 10, 38, 2, 9, 5, 9, 3, 2, 54, 2]. 74 percent of accesses are in the largest equivalence class. The 59 initializations are split as follows [0, 0, 0, 4, 15, 4, 1, 2, 0, 10, 0, 0, 9, 4, 9, 1, 0, 0, 0]. The 394 writes are split as follows [16, 17, 0, 0, 0, 0, 0, 0, 284, 0, 32, 1, 0, 0, 0, 0, 1, 42, 1]. [2024-11-16 21:55:39,789 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:55:38" (1/1) ... [2024-11-16 21:55:39,789 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:55:38" (1/1) ... [2024-11-16 21:55:39,901 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:55:38" (1/1) ... [2024-11-16 21:55:39,909 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:55:38" (1/1) ... [2024-11-16 21:55:39,935 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:55:38" (1/1) ... [2024-11-16 21:55:39,962 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:55:38" (1/1) ... [2024-11-16 21:55:40,009 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 21:55:40,011 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 21:55:40,011 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 21:55:40,011 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 21:55:40,012 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:55:38" (1/1) ... [2024-11-16 21:55:40,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 21:55:40,037 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 21:55:40,055 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-16 21:55:40,062 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-16 21:55:40,121 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_txfree [2024-11-16 21:55:40,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_txfree [2024-11-16 21:55:40,121 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2024-11-16 21:55:40,121 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2024-11-16 21:55:40,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-16 21:55:40,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-16 21:55:40,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-16 21:55:40,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-16 21:55:40,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-16 21:55:40,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-16 21:55:40,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-16 21:55:40,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-16 21:55:40,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-16 21:55:40,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-16 21:55:40,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-16 21:55:40,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-16 21:55:40,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-11-16 21:55:40,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-11-16 21:55:40,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-11-16 21:55:40,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-11-16 21:55:40,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-11-16 21:55:40,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-11-16 21:55:40,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2024-11-16 21:55:40,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-16 21:55:40,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-16 21:55:40,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-16 21:55:40,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-16 21:55:40,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-16 21:55:40,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-16 21:55:40,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-16 21:55:40,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-16 21:55:40,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-16 21:55:40,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-16 21:55:40,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-16 21:55:40,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-16 21:55:40,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-16 21:55:40,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-16 21:55:40,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-16 21:55:40,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-16 21:55:40,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-16 21:55:40,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-16 21:55:40,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-16 21:55:40,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-16 21:55:40,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-16 21:55:40,125 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2024-11-16 21:55:40,125 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2024-11-16 21:55:40,125 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_tx_timeout [2024-11-16 21:55:40,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_tx_timeout [2024-11-16 21:55:40,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-16 21:55:40,126 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-16 21:55:40,126 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-11-16 21:55:40,127 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-11-16 21:55:40,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-16 21:55:40,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-16 21:55:40,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mii_mutex_of_ipg_nic_private [2024-11-16 21:55:40,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mii_mutex_of_ipg_nic_private [2024-11-16 21:55:40,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2024-11-16 21:55:40,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2024-11-16 21:55:40,129 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-11-16 21:55:40,129 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-11-16 21:55:40,129 INFO L130 BoogieDeclarations]: Found specification of procedure init_tfdlist [2024-11-16 21:55:40,129 INFO L138 BoogieDeclarations]: Found implementation of procedure init_tfdlist [2024-11-16 21:55:40,129 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2024-11-16 21:55:40,129 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2024-11-16 21:55:40,129 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-11-16 21:55:40,129 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-11-16 21:55:40,129 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2024-11-16 21:55:40,130 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2024-11-16 21:55:40,130 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_set_multicast_list [2024-11-16 21:55:40,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_set_multicast_list [2024-11-16 21:55:40,130 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2024-11-16 21:55:40,130 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2024-11-16 21:55:40,130 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2024-11-16 21:55:40,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2024-11-16 21:55:40,130 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-11-16 21:55:40,130 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-11-16 21:55:40,130 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2024-11-16 21:55:40,130 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2024-11-16 21:55:40,130 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-16 21:55:40,130 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-16 21:55:40,130 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_tx_clear [2024-11-16 21:55:40,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_tx_clear [2024-11-16 21:55:40,131 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_rx_clear [2024-11-16 21:55:40,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_rx_clear [2024-11-16 21:55:40,131 INFO L130 BoogieDeclarations]: Found specification of procedure read_eeprom [2024-11-16 21:55:40,131 INFO L138 BoogieDeclarations]: Found implementation of procedure read_eeprom [2024-11-16 21:55:40,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-16 21:55:40,131 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2024-11-16 21:55:40,131 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2024-11-16 21:55:40,133 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum_none_assert [2024-11-16 21:55:40,133 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum_none_assert [2024-11-16 21:55:40,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-16 21:55:40,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-16 21:55:40,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-16 21:55:40,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-16 21:55:40,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-16 21:55:40,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-16 21:55:40,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-16 21:55:40,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-16 21:55:40,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-16 21:55:40,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-16 21:55:40,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-16 21:55:40,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-16 21:55:40,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-16 21:55:40,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-16 21:55:40,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-16 21:55:40,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-16 21:55:40,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-16 21:55:40,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-16 21:55:40,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-16 21:55:40,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-11-16 21:55:40,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-11-16 21:55:40,137 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2024-11-16 21:55:40,137 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2024-11-16 21:55:40,137 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2024-11-16 21:55:40,137 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2024-11-16 21:55:40,137 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-11-16 21:55:40,137 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-11-16 21:55:40,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-16 21:55:40,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-16 21:55:40,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2024-11-16 21:55:40,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2024-11-16 21:55:40,138 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_free_skb [2024-11-16 21:55:40,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_free_skb [2024-11-16 21:55:40,138 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2024-11-16 21:55:40,138 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2024-11-16 21:55:40,138 INFO L130 BoogieDeclarations]: Found specification of procedure send_three_state [2024-11-16 21:55:40,138 INFO L138 BoogieDeclarations]: Found implementation of procedure send_three_state [2024-11-16 21:55:40,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-16 21:55:40,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-16 21:55:40,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-16 21:55:40,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-16 21:55:40,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-16 21:55:40,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-16 21:55:40,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-16 21:55:40,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-16 21:55:40,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-16 21:55:40,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-16 21:55:40,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-16 21:55:40,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-16 21:55:40,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-16 21:55:40,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-16 21:55:40,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-16 21:55:40,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-16 21:55:40,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-16 21:55:40,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-16 21:55:40,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-11-16 21:55:40,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-11-16 21:55:40,140 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-16 21:55:40,141 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-16 21:55:40,141 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2024-11-16 21:55:40,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2024-11-16 21:55:40,141 INFO L130 BoogieDeclarations]: Found specification of procedure read_phy_bit [2024-11-16 21:55:40,141 INFO L138 BoogieDeclarations]: Found implementation of procedure read_phy_bit [2024-11-16 21:55:40,141 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-11-16 21:55:40,141 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-11-16 21:55:40,141 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_remove [2024-11-16 21:55:40,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_remove [2024-11-16 21:55:40,141 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-11-16 21:55:40,141 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-11-16 21:55:40,141 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2024-11-16 21:55:40,141 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2024-11-16 21:55:40,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-11-16 21:55:40,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-11-16 21:55:40,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2024-11-16 21:55:40,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2024-11-16 21:55:40,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-16 21:55:40,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-16 21:55:40,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-16 21:55:40,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-16 21:55:40,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-16 21:55:40,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-16 21:55:40,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-16 21:55:40,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-16 21:55:40,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-16 21:55:40,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-16 21:55:40,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-16 21:55:40,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-11-16 21:55:40,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-11-16 21:55:40,146 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-11-16 21:55:40,146 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-11-16 21:55:40,146 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-11-16 21:55:40,146 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-11-16 21:55:40,146 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-11-16 21:55:40,147 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2024-11-16 21:55:40,147 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2024-11-16 21:55:40,147 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2024-11-16 21:55:40,147 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-11-16 21:55:40,147 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-11-16 21:55:40,147 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_io_config [2024-11-16 21:55:40,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_io_config [2024-11-16 21:55:40,147 INFO L130 BoogieDeclarations]: Found specification of procedure init_rfdlist [2024-11-16 21:55:40,147 INFO L138 BoogieDeclarations]: Found implementation of procedure init_rfdlist [2024-11-16 21:55:40,148 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_open [2024-11-16 21:55:40,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_open [2024-11-16 21:55:40,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-16 21:55:40,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-16 21:55:40,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-16 21:55:40,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-16 21:55:40,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-16 21:55:40,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-16 21:55:40,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-16 21:55:40,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-16 21:55:40,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-16 21:55:40,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-16 21:55:40,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-16 21:55:40,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-16 21:55:40,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-16 21:55:40,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-16 21:55:40,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-16 21:55:40,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-16 21:55:40,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-16 21:55:40,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-16 21:55:40,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-16 21:55:40,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-11-16 21:55:40,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-11-16 21:55:40,150 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2024-11-16 21:55:40,150 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2024-11-16 21:55:40,150 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-16 21:55:40,150 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-16 21:55:40,150 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-16 21:55:40,150 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-16 21:55:40,150 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-16 21:55:40,150 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-16 21:55:40,150 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-16 21:55:40,150 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-16 21:55:40,150 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-16 21:55:40,150 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-16 21:55:40,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-16 21:55:40,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-16 21:55:40,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-16 21:55:40,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-16 21:55:40,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-16 21:55:40,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-16 21:55:40,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-16 21:55:40,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-16 21:55:40,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-16 21:55:40,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2024-11-16 21:55:40,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2024-11-16 21:55:40,151 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2024-11-16 21:55:40,151 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2024-11-16 21:55:40,151 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-11-16 21:55:40,151 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-11-16 21:55:40,151 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-11-16 21:55:40,152 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-11-16 21:55:40,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-16 21:55:40,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-16 21:55:40,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-16 21:55:40,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-16 21:55:40,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-16 21:55:40,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-16 21:55:40,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-16 21:55:40,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-16 21:55:40,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-11-16 21:55:40,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-11-16 21:55:40,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-11-16 21:55:40,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-11-16 21:55:40,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-11-16 21:55:40,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-11-16 21:55:40,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2024-11-16 21:55:40,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2024-11-16 21:55:40,153 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2024-11-16 21:55:40,153 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#17 [2024-11-16 21:55:40,153 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#18 [2024-11-16 21:55:40,153 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-16 21:55:40,153 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-16 21:55:40,153 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-16 21:55:40,153 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-16 21:55:40,153 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-16 21:55:40,157 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-16 21:55:40,157 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-16 21:55:40,157 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-16 21:55:40,157 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-11-16 21:55:40,157 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-11-16 21:55:40,160 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-11-16 21:55:40,160 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-11-16 21:55:40,160 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-11-16 21:55:40,160 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-11-16 21:55:40,160 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2024-11-16 21:55:40,160 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2024-11-16 21:55:40,160 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2024-11-16 21:55:40,160 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#17 [2024-11-16 21:55:40,160 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#18 [2024-11-16 21:55:40,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2024-11-16 21:55:40,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2024-11-16 21:55:40,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-11-16 21:55:40,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-11-16 21:55:40,160 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-11-16 21:55:40,160 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-11-16 21:55:40,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2024-11-16 21:55:40,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2024-11-16 21:55:40,161 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2024-11-16 21:55:40,161 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2024-11-16 21:55:40,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2024-11-16 21:55:40,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2024-11-16 21:55:40,161 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2024-11-16 21:55:40,161 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2024-11-16 21:55:40,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-16 21:55:40,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-16 21:55:40,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-16 21:55:40,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-16 21:55:40,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-16 21:55:40,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-16 21:55:40,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-16 21:55:40,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-16 21:55:40,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-16 21:55:40,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-16 21:55:40,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-16 21:55:40,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-16 21:55:40,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-16 21:55:40,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-16 21:55:40,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-16 21:55:40,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-16 21:55:40,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-16 21:55:40,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-16 21:55:40,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-16 21:55:40,162 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2024-11-16 21:55:40,165 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2024-11-16 21:55:40,165 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2024-11-16 21:55:40,165 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2024-11-16 21:55:40,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-16 21:55:40,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-16 21:55:40,165 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_get_stats [2024-11-16 21:55:40,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_get_stats [2024-11-16 21:55:40,165 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nway_reset [2024-11-16 21:55:40,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nway_reset [2024-11-16 21:55:40,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mii_mutex_of_ipg_nic_private [2024-11-16 21:55:40,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mii_mutex_of_ipg_nic_private [2024-11-16 21:55:40,166 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rxrestore [2024-11-16 21:55:40,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rxrestore [2024-11-16 21:55:40,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-16 21:55:40,166 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_stop [2024-11-16 21:55:40,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_stop [2024-11-16 21:55:40,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2024-11-16 21:55:40,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2024-11-16 21:55:40,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2024-11-16 21:55:40,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2024-11-16 21:55:40,167 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_config_autoneg [2024-11-16 21:55:40,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_config_autoneg [2024-11-16 21:55:40,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 21:55:40,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-16 21:55:40,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-16 21:55:40,167 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-11-16 21:55:40,168 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-11-16 21:55:40,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-16 21:55:40,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-16 21:55:40,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-16 21:55:40,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-16 21:55:40,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-16 21:55:40,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-16 21:55:40,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-16 21:55:40,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-16 21:55:40,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-16 21:55:40,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-16 21:55:40,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-16 21:55:40,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-16 21:55:40,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-16 21:55:40,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-16 21:55:40,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-16 21:55:40,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-16 21:55:40,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-16 21:55:40,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-16 21:55:40,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-16 21:55:40,169 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_ipg_pci_driver_exit_13_2 [2024-11-16 21:55:40,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_ipg_pci_driver_exit_13_2 [2024-11-16 21:55:40,170 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2024-11-16 21:55:40,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2024-11-16 21:55:40,170 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-16 21:55:40,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-16 21:55:40,170 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_ioaddr [2024-11-16 21:55:40,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_ioaddr [2024-11-16 21:55:40,170 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-11-16 21:55:40,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-11-16 21:55:40,171 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2024-11-16 21:55:40,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2024-11-16 21:55:40,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-11-16 21:55:40,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-11-16 21:55:40,171 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_reset [2024-11-16 21:55:40,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_reset [2024-11-16 21:55:40,171 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2024-11-16 21:55:40,171 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2024-11-16 21:55:40,171 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-11-16 21:55:40,171 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-11-16 21:55:40,171 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2024-11-16 21:55:40,171 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2024-11-16 21:55:40,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2024-11-16 21:55:40,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2024-11-16 21:55:40,172 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_get_rxbuff [2024-11-16 21:55:40,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_get_rxbuff [2024-11-16 21:55:40,172 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_write_phy_ctl [2024-11-16 21:55:40,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_write_phy_ctl [2024-11-16 21:55:40,172 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2024-11-16 21:55:40,172 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2024-11-16 21:55:40,172 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2024-11-16 21:55:40,172 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2024-11-16 21:55:40,172 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-11-16 21:55:40,172 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-11-16 21:55:40,172 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2024-11-16 21:55:40,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 21:55:40,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-16 21:55:40,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-16 21:55:40,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-16 21:55:40,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-16 21:55:40,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-16 21:55:40,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-16 21:55:40,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-16 21:55:40,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-16 21:55:40,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-16 21:55:40,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-16 21:55:40,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-16 21:55:40,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-16 21:55:40,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-16 21:55:40,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-16 21:55:40,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-16 21:55:40,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-16 21:55:40,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-16 21:55:40,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-16 21:55:40,175 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_check_error [2024-11-16 21:55:40,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_check_error [2024-11-16 21:55:40,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-11-16 21:55:40,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-11-16 21:55:40,175 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_drive_phy_ctl_low_high [2024-11-16 21:55:40,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_drive_phy_ctl_low_high [2024-11-16 21:55:40,175 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2024-11-16 21:55:40,175 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2024-11-16 21:55:40,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 21:55:40,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 21:55:41,029 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 21:55:41,034 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 21:55:42,758 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6192: call ULTIMATE.dealloc(~#p~1.base, ~#p~1.offset);havoc ~#p~1.base, ~#p~1.offset; [2024-11-16 21:55:42,764 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-16 21:55:42,845 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L5283-1: test_and_clear_bit_#res#1 := 1; [2024-11-16 21:55:42,846 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L11271: havoc netpoll_trap_#t~nondet1002#1; [2024-11-16 21:55:43,038 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6526: call ULTIMATE.dealloc(~#hashtable~0#1.base, ~#hashtable~0#1.offset);havoc ~#hashtable~0#1.base, ~#hashtable~0#1.offset; [2024-11-16 21:55:43,039 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L11156: havoc crc32_le_#t~nondet986#1; [2024-11-16 21:55:43,043 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L11205: havoc #t~nondet993; [2024-11-16 21:55:43,147 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L5440: havoc kobject_name_#t~mem42#1.base, kobject_name_#t~mem42#1.offset; [2024-11-16 21:55:43,148 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L5456: havoc dev_name_#t~mem58#1.base, dev_name_#t~mem58#1.offset; [2024-11-16 21:55:43,811 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L11267: havoc #t~nondet1001; [2024-11-16 21:55:43,814 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L11184: havoc #t~nondet990; [2024-11-16 21:55:43,874 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L11301: havoc #t~nondet1006; [2024-11-16 21:55:43,956 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L10297: havoc ldv_dev_get_drvdata_#t~mem918#1.base, ldv_dev_get_drvdata_#t~mem918#1.offset;havoc ldv_dev_get_drvdata_#t~mem919#1.base, ldv_dev_get_drvdata_#t~mem919#1.offset; [2024-11-16 21:55:43,961 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L5735: havoc #t~mem154.base, #t~mem154.offset; [2024-11-16 21:55:43,964 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L11263: havoc #t~nondet1000; [2024-11-16 21:55:43,985 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L5505: havoc #t~mem88.base, #t~mem88.offset; [2024-11-16 21:55:44,116 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L11259: havoc netdev_err_#t~nondet999#1; [2024-11-16 21:55:44,224 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L11313: havoc request_threaded_irq_#t~nondet1009#1; [2024-11-16 21:55:44,224 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L10109-1: ldv_request_irq_15_#res#1 := ldv_request_irq_15_~ldv_func_res~0#1; [2024-11-16 21:55:44,225 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L9763-1: ldv_request_irq_#res#1 := ldv_request_irq_~arg0#1; [2024-11-16 21:55:44,260 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L5341: havoc arch_irqs_disabled_flags_#t~bitwise11#1; [2024-11-16 21:55:44,273 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L11127: havoc #t~nondet983; [2024-11-16 21:55:44,296 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L5289: havoc #t~mem0;havoc #t~bitwise1; [2024-11-16 21:55:44,305 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L11172: havoc dma_set_mask_#t~nondet987#1; [2024-11-16 21:55:44,314 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L11180: havoc #t~nondet989; [2024-11-16 21:55:44,380 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L11255: havoc mii_nway_restart_#t~nondet998#1; [2024-11-16 21:55:44,545 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint switch_break: assume true; [2024-11-16 21:55:44,620 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L11201: havoc #t~nondet992; [2024-11-16 21:55:44,644 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6047: havoc #t~mem226.base, #t~mem226.offset; [2024-11-16 21:55:44,660 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L11209: havoc #t~nondet994; [2024-11-16 21:55:44,859 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L5483: havoc is_device_dma_capable_#t~mem61#1.base, is_device_dma_capable_#t~mem61#1.offset;havoc is_device_dma_capable_#t~mem62#1.base, is_device_dma_capable_#t~mem62#1.offset;havoc is_device_dma_capable_#t~mem63#1;havoc is_device_dma_capable_#t~short64#1; [2024-11-16 21:55:44,870 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L11305: havoc queue_delayed_work_on_#t~nondet1007#1; [2024-11-16 21:55:45,252 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6185: havoc #t~mem248#1;call ULTIMATE.dealloc(~#p~0#1.base, ~#p~0#1.offset);havoc ~#p~0#1.base, ~#p~0#1.offset; [2024-11-16 21:55:53,605 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L8296: call ULTIMATE.dealloc(ipg_probe_~#__key~0#1.base, ipg_probe_~#__key~0#1.offset);havoc ipg_probe_~#__key~0#1.base, ipg_probe_~#__key~0#1.offset;call ULTIMATE.dealloc(ipg_probe_~#__key___0~0#1.base, ipg_probe_~#__key___0~0#1.offset);havoc ipg_probe_~#__key___0~0#1.base, ipg_probe_~#__key___0~0#1.offset;call ULTIMATE.dealloc(ipg_probe_~#__key___1~0#1.base, ipg_probe_~#__key___1~0#1.offset);havoc ipg_probe_~#__key___1~0#1.base, ipg_probe_~#__key___1~0#1.offset;call ULTIMATE.dealloc(ipg_probe_~#__constr_expr_0~0#1.base, ipg_probe_~#__constr_expr_0~0#1.offset);havoc ipg_probe_~#__constr_expr_0~0#1.base, ipg_probe_~#__constr_expr_0~0#1.offset;call ULTIMATE.dealloc(ipg_probe_~#__key___2~0#1.base, ipg_probe_~#__key___2~0#1.offset);havoc ipg_probe_~#__key___2~0#1.base, ipg_probe_~#__key___2~0#1.offset; [2024-11-16 21:55:53,606 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L10279-1: ldv___pci_register_driver_31_#res#1 := ldv___pci_register_driver_31_~ldv_func_res~3#1; [2024-11-16 21:55:53,606 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L11140: havoc _raw_spin_lock_irqsave_#t~nondet984#1; [2024-11-16 21:55:53,606 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L9423: call ULTIMATE.dealloc(ldv_pci_instance_suspend_2_8_~#arg2#1.base, ldv_pci_instance_suspend_2_8_~#arg2#1.offset);havoc ldv_pci_instance_suspend_2_8_~#arg2#1.base, ldv_pci_instance_suspend_2_8_~#arg2#1.offset; [2024-11-16 21:55:53,606 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint main_returnLabel#1: assume true;#t~ret1014#1 := main_#res#1;havoc main_#t~ret837#1, main_~tmp~73#1;assume { :end_inline_main } true; [2024-11-16 21:55:53,607 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L11278: havoc pci_enable_device_#t~nondet1003#1; [2024-11-16 21:55:53,607 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L11281: havoc pci_iomap_#t~ret1004#1.base, pci_iomap_#t~ret1004#1.offset; [2024-11-16 21:55:53,607 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L9434: call ULTIMATE.dealloc(ldv_pci_instance_suspend_late_2_7_~#arg2#1.base, ldv_pci_instance_suspend_late_2_7_~#arg2#1.offset);havoc ldv_pci_instance_suspend_late_2_7_~#arg2#1.base, ldv_pci_instance_suspend_late_2_7_~#arg2#1.offset; [2024-11-16 21:55:53,607 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L8641-1: ldv___pci_register_driver_#res#1 := ldv___pci_register_driver_~arg0#1; [2024-11-16 21:55:53,607 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L11152: havoc alloc_etherdev_mqs_#t~ret985#1.base, alloc_etherdev_mqs_#t~ret985#1.offset; [2024-11-16 21:55:53,607 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L11291: havoc pci_request_regions_#t~nondet1005#1; [2024-11-16 21:55:53,607 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L10237-1: ldv_alloc_etherdev_mqs_28_#res#1.base, ldv_alloc_etherdev_mqs_28_#res#1.offset := ldv_alloc_etherdev_mqs_28_~ldv_func_res~1#1.base, ldv_alloc_etherdev_mqs_28_~ldv_func_res~1#1.offset; [2024-11-16 21:55:53,607 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L11234: havoc ldv_pre_register_netdev_#t~nondet995#1; [2024-11-16 21:55:53,607 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L8660-1: ldv_alloc_etherdev_mqs_#res#1.base, ldv_alloc_etherdev_mqs_#res#1.offset := ldv_alloc_etherdev_mqs_~arg0#1.base, ldv_alloc_etherdev_mqs_~arg0#1.offset; [2024-11-16 21:55:53,607 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L9719-1: ldv_register_netdev_#res#1 := ldv_register_netdev_~arg0#1; [2024-11-16 21:55:53,607 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L9720-1: ldv_register_netdev_#res#1 := ldv_register_netdev_~arg0#1; [2024-11-16 21:55:53,607 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L8663-1: ldv_alloc_etherdev_mqs_#res#1.base, ldv_alloc_etherdev_mqs_#res#1.offset := ldv_alloc_etherdev_mqs_~arg0#1.base, ldv_alloc_etherdev_mqs_~arg0#1.offset; [2024-11-16 21:55:53,608 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L8665-1: ldv_alloc_etherdev_mqs_#res#1.base, ldv_alloc_etherdev_mqs_#res#1.offset := ldv_alloc_etherdev_mqs_~arg0#1.base, ldv_alloc_etherdev_mqs_~arg0#1.offset; [2024-11-16 21:55:53,608 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L11176: havoc eth_mac_addr_#t~nondet988#1; [2024-11-16 21:55:53,608 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L11309: havoc register_netdev_#t~nondet1008#1; [2024-11-16 21:55:53,608 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L10252-1: ldv_register_netdev_29_#res#1 := ldv_register_netdev_29_~ldv_func_res~2#1; [2024-11-16 21:55:53,608 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L11247: havoc mii_ethtool_gset_#t~nondet996#1; [2024-11-16 21:55:53,608 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L11251: havoc mii_ethtool_sset_#t~nondet997#1; [2024-11-16 21:55:53,609 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L11123: havoc __pci_register_driver_#t~nondet982#1; [2024-11-16 21:55:53,609 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-11-16 21:55:53,609 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L11194: havoc generic_mii_ioctl_#t~nondet991#1; [2024-11-16 21:55:55,029 INFO L? ?]: Removed 2647 outVars from TransFormulas that were not future-live. [2024-11-16 21:55:55,029 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 21:55:55,150 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 21:55:55,151 INFO L336 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-16 21:55:55,153 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 09:55:55 BoogieIcfgContainer [2024-11-16 21:55:55,153 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 21:55:55,155 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 21:55:55,157 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 21:55:55,160 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 21:55:55,161 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 09:55:34" (1/3) ... [2024-11-16 21:55:55,162 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e8b93f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 09:55:55, skipping insertion in model container [2024-11-16 21:55:55,162 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:55:38" (2/3) ... [2024-11-16 21:55:55,162 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e8b93f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 09:55:55, skipping insertion in model container [2024-11-16 21:55:55,162 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 09:55:55" (3/3) ... [2024-11-16 21:55:55,163 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-icplus-ipg.cil.i [2024-11-16 21:55:55,183 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 21:55:55,184 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-11-16 21:55:55,344 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 21:55:55,352 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@14996c1c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 21:55:55,353 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-16 21:55:55,370 INFO L276 IsEmpty]: Start isEmpty. Operand has 2154 states, 1596 states have (on average 1.3038847117794485) internal successors, (2081), 1625 states have internal predecessors, (2081), 459 states have call successors, (459), 97 states have call predecessors, (459), 96 states have return successors, (453), 450 states have call predecessors, (453), 453 states have call successors, (453) [2024-11-16 21:55:55,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-16 21:55:55,390 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 21:55:55,392 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 21:55:55,392 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-16 21:55:55,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 21:55:55,399 INFO L85 PathProgramCache]: Analyzing trace with hash 1473671004, now seen corresponding path program 1 times [2024-11-16 21:55:55,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 21:55:55,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326175829] [2024-11-16 21:55:55,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 21:55:55,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 21:56:00,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:56:01,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-16 21:56:01,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:56:01,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 21:56:01,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:56:01,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-16 21:56:01,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:56:01,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 21:56:01,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:56:01,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 21:56:01,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:56:01,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 21:56:01,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:56:01,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 21:56:01,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:56:01,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 21:56:01,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:56:01,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-16 21:56:01,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:56:01,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 21:56:01,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:56:01,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-16 21:56:01,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:56:01,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 21:56:01,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:56:01,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-16 21:56:01,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:56:01,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 21:56:01,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:56:01,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-16 21:56:01,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:56:01,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 21:56:01,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:56:01,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 21:56:01,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:56:01,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-16 21:56:01,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:56:01,375 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-11-16 21:56:01,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 21:56:01,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326175829] [2024-11-16 21:56:01,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [326175829] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 21:56:01,380 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 21:56:01,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 21:56:01,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140529901] [2024-11-16 21:56:01,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 21:56:01,387 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 21:56:01,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 21:56:01,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 21:56:01,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 21:56:01,429 INFO L87 Difference]: Start difference. First operand has 2154 states, 1596 states have (on average 1.3038847117794485) internal successors, (2081), 1625 states have internal predecessors, (2081), 459 states have call successors, (459), 97 states have call predecessors, (459), 96 states have return successors, (453), 450 states have call predecessors, (453), 453 states have call successors, (453) Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-16 21:56:05,522 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 21:56:09,886 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 21:56:44,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 21:56:44,419 INFO L93 Difference]: Finished difference Result 6459 states and 9222 transitions. [2024-11-16 21:56:44,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 21:56:44,422 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 118 [2024-11-16 21:56:44,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 21:56:44,472 INFO L225 Difference]: With dead ends: 6459 [2024-11-16 21:56:44,472 INFO L226 Difference]: Without dead ends: 4311 [2024-11-16 21:56:44,496 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-16 21:56:44,500 INFO L432 NwaCegarLoop]: 1854 mSDtfsCounter, 4153 mSDsluCounter, 2736 mSDsCounter, 0 mSdLazyCounter, 2834 mSolverCounterSat, 1301 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4562 SdHoareTripleChecker+Valid, 4590 SdHoareTripleChecker+Invalid, 4137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1301 IncrementalHoareTripleChecker+Valid, 2834 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 42.0s IncrementalHoareTripleChecker+Time [2024-11-16 21:56:44,501 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4562 Valid, 4590 Invalid, 4137 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1301 Valid, 2834 Invalid, 2 Unknown, 0 Unchecked, 42.0s Time] [2024-11-16 21:56:44,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4311 states. [2024-11-16 21:56:44,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4311 to 4153. [2024-11-16 21:56:44,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4153 states, 3092 states have (on average 1.2804010349288486) internal successors, (3959), 3145 states have internal predecessors, (3959), 870 states have call successors, (870), 189 states have call predecessors, (870), 188 states have return successors, (866), 860 states have call predecessors, (866), 866 states have call successors, (866) [2024-11-16 21:56:44,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4153 states to 4153 states and 5695 transitions. [2024-11-16 21:56:44,835 INFO L78 Accepts]: Start accepts. Automaton has 4153 states and 5695 transitions. Word has length 118 [2024-11-16 21:56:44,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 21:56:44,836 INFO L471 AbstractCegarLoop]: Abstraction has 4153 states and 5695 transitions. [2024-11-16 21:56:44,836 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-16 21:56:44,837 INFO L276 IsEmpty]: Start isEmpty. Operand 4153 states and 5695 transitions. [2024-11-16 21:56:44,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-16 21:56:44,849 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 21:56:44,849 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 21:56:44,850 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 21:56:44,850 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-16 21:56:44,852 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 21:56:44,852 INFO L85 PathProgramCache]: Analyzing trace with hash 681195063, now seen corresponding path program 1 times [2024-11-16 21:56:44,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 21:56:44,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708500576] [2024-11-16 21:56:44,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 21:56:44,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 21:56:48,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:56:49,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-16 21:56:49,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:56:49,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 21:56:49,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:56:49,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-16 21:56:49,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:56:49,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 21:56:49,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:56:49,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 21:56:49,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:56:49,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 21:56:49,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:56:49,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 21:56:49,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:56:49,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 21:56:49,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:56:49,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-16 21:56:49,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:56:49,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 21:56:49,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:56:49,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-16 21:56:49,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:56:49,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 21:56:49,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:56:49,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-16 21:56:49,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:56:49,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 21:56:49,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:56:49,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-16 21:56:49,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:56:49,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 21:56:49,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:56:49,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 21:56:49,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:56:49,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-16 21:56:49,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:56:49,474 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-11-16 21:56:49,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 21:56:49,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708500576] [2024-11-16 21:56:49,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708500576] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 21:56:49,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 21:56:49,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 21:56:49,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659596893] [2024-11-16 21:56:49,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 21:56:49,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 21:56:49,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 21:56:49,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 21:56:49,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 21:56:49,480 INFO L87 Difference]: Start difference. First operand 4153 states and 5695 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-16 21:56:53,526 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []