./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-net--sched--sch_cbq.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-net--sched--sch_cbq.ko-entry_point.cil.out.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash af887d73ff2b45ab6c14a54cf187323913ea5326b8102f917985c313a460621f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 21:21:48,483 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 21:21:48,562 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-10-11 21:21:48,568 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 21:21:48,569 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 21:21:48,599 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 21:21:48,600 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 21:21:48,601 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 21:21:48,602 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 21:21:48,604 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 21:21:48,604 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 21:21:48,605 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 21:21:48,605 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 21:21:48,607 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 21:21:48,608 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 21:21:48,608 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 21:21:48,609 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 21:21:48,609 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 21:21:48,609 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 21:21:48,609 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 21:21:48,610 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 21:21:48,613 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 21:21:48,613 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 21:21:48,613 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-11 21:21:48,614 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 21:21:48,614 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 21:21:48,614 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 21:21:48,615 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 21:21:48,615 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 21:21:48,615 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 21:21:48,615 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 21:21:48,616 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 21:21:48,617 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 21:21:48,617 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 21:21:48,618 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 21:21:48,618 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 21:21:48,619 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 21:21:48,619 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 21:21:48,620 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 21:21:48,620 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 21:21:48,620 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 21:21:48,621 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> af887d73ff2b45ab6c14a54cf187323913ea5326b8102f917985c313a460621f [2024-10-11 21:21:48,881 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 21:21:48,909 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 21:21:48,912 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 21:21:48,914 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 21:21:48,914 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 21:21:48,916 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-net--sched--sch_cbq.ko-entry_point.cil.out.i [2024-10-11 21:21:50,414 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 21:21:50,958 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 21:21:50,959 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-net--sched--sch_cbq.ko-entry_point.cil.out.i [2024-10-11 21:21:51,007 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/b14991c97/e4b12d6dbcda4d828bbe5a8a2254529d/FLAG0bf3cbbad [2024-10-11 21:21:51,500 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/b14991c97/e4b12d6dbcda4d828bbe5a8a2254529d [2024-10-11 21:21:51,503 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 21:21:51,504 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 21:21:51,506 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 21:21:51,506 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 21:21:51,514 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 21:21:51,515 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 09:21:51" (1/1) ... [2024-10-11 21:21:51,517 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@219db595 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:21:51, skipping insertion in model container [2024-10-11 21:21:51,518 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 09:21:51" (1/1) ... [2024-10-11 21:21:51,649 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 21:21:52,201 WARN L1336 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5334] [2024-10-11 21:21:52,201 WARN L1336 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5335-5336] [2024-10-11 21:21:52,451 WARN L634 FunctionHandler]: implicit declaration of function ldv_assume [2024-10-11 21:21:52,453 WARN L634 FunctionHandler]: implicit declaration of function ldv_is_err [2024-10-11 21:21:53,845 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 21:21:53,871 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 21:21:53,976 WARN L1336 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5334] [2024-10-11 21:21:53,977 WARN L1336 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5335-5336] [2024-10-11 21:21:53,984 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)); [5418] [2024-10-11 21:21:53,987 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("rep; bsf %1,%0": "=r" (word): "r" (~ word)); [5431] [2024-10-11 21:21:53,991 WARN L634 FunctionHandler]: implicit declaration of function ldv_assume [2024-10-11 21:21:53,992 WARN L634 FunctionHandler]: implicit declaration of function ldv_is_err [2024-10-11 21:21:54,346 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 *)"/work/ldvuser/mutilin/launch/work/current--X--net--X--defaultlinux-3.16-rc1.tar.xz--X--43_2a--X--cpachecker/linux-3.16-rc1.tar.xz/csd_deg_dscv/1383/dscv_tempdir/dscv/ri/43_2a/net/sched/sch_cbq.o.c.prepared"), "i" (1998), "i" (12UL)); [8477-8478] [2024-10-11 21:21:54,374 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 21:21:54,436 ERROR L321 MainTranslator]: Unsupported Syntax: The following functions are not defined or handled internally: ldv_is_err, ldv_assume [2024-10-11 21:21:54,437 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2e5ab838 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:21:54, skipping insertion in model container [2024-10-11 21:21:54,438 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 21:21:54,438 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-10-11 21:21:54,440 INFO L158 Benchmark]: Toolchain (without parser) took 2934.83ms. Allocated memory is still 178.3MB. Free memory was 141.8MB in the beginning and 81.9MB in the end (delta: 59.9MB). Peak memory consumption was 132.2MB. Max. memory is 16.1GB. [2024-10-11 21:21:54,441 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 136.3MB. Free memory is still 87.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 21:21:54,442 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2932.07ms. Allocated memory is still 178.3MB. Free memory was 141.8MB in the beginning and 81.9MB in the end (delta: 59.9MB). Peak memory consumption was 132.2MB. Max. memory is 16.1GB. [2024-10-11 21:21:54,443 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 136.3MB. Free memory is still 87.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2932.07ms. Allocated memory is still 178.3MB. Free memory was 141.8MB in the beginning and 81.9MB in the end (delta: 59.9MB). Peak memory consumption was 132.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 5418]: 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)); [5418] - GenericResultAtLocation [Line: 5431]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("rep; bsf %1,%0": "=r" (word): "r" (~ word)); [5431] - GenericResultAtLocation [Line: 8477]: 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 *)"/work/ldvuser/mutilin/launch/work/current--X--net--X--defaultlinux-3.16-rc1.tar.xz--X--43_2a--X--cpachecker/linux-3.16-rc1.tar.xz/csd_deg_dscv/1383/dscv_tempdir/dscv/ri/43_2a/net/sched/sch_cbq.o.c.prepared"), "i" (1998), "i" (12UL)); [8477-8478] - UnsupportedSyntaxResult [Line: -1]: Unsupported Syntax The following functions are not defined or handled internally: ldv_is_err, ldv_assume RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-net--sched--sch_cbq.ko-entry_point.cil.out.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash af887d73ff2b45ab6c14a54cf187323913ea5326b8102f917985c313a460621f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 21:21:56,555 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 21:21:56,642 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-10-11 21:21:56,650 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 21:21:56,650 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 21:21:56,650 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-10-11 21:21:56,685 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 21:21:56,686 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 21:21:56,686 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 21:21:56,687 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 21:21:56,687 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 21:21:56,687 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 21:21:56,688 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 21:21:56,690 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 21:21:56,690 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 21:21:56,690 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 21:21:56,692 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 21:21:56,692 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 21:21:56,693 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 21:21:56,693 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 21:21:56,693 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 21:21:56,697 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 21:21:56,697 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-11 21:21:56,697 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-11 21:21:56,697 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 21:21:56,697 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-11 21:21:56,698 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-11 21:21:56,698 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 21:21:56,698 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 21:21:56,698 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 21:21:56,699 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 21:21:56,699 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 21:21:56,699 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 21:21:56,699 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 21:21:56,699 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 21:21:56,700 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 21:21:56,700 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 21:21:56,700 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 21:21:56,700 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-11 21:21:56,701 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-11 21:21:56,701 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 21:21:56,703 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 21:21:56,703 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 21:21:56,703 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 21:21:56,703 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-11 21:21:56,703 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> af887d73ff2b45ab6c14a54cf187323913ea5326b8102f917985c313a460621f [2024-10-11 21:21:57,046 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 21:21:57,077 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 21:21:57,080 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 21:21:57,081 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 21:21:57,083 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 21:21:57,085 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-net--sched--sch_cbq.ko-entry_point.cil.out.i [2024-10-11 21:21:58,744 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 21:21:59,292 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 21:21:59,293 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-net--sched--sch_cbq.ko-entry_point.cil.out.i [2024-10-11 21:21:59,346 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/ccbab8290/a1966363cd894b9498d079161aad3780/FLAG093a69541 [2024-10-11 21:21:59,364 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/ccbab8290/a1966363cd894b9498d079161aad3780 [2024-10-11 21:21:59,367 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 21:21:59,369 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 21:21:59,370 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 21:21:59,372 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 21:21:59,378 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 21:21:59,379 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 09:21:59" (1/1) ... [2024-10-11 21:21:59,380 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31849206 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:21:59, skipping insertion in model container [2024-10-11 21:21:59,381 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 09:21:59" (1/1) ... [2024-10-11 21:21:59,501 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 21:22:00,037 WARN L1336 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5334] [2024-10-11 21:22:00,038 WARN L1336 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5335-5336] [2024-10-11 21:22:00,216 WARN L634 FunctionHandler]: implicit declaration of function ldv_assume [2024-10-11 21:22:00,217 WARN L634 FunctionHandler]: implicit declaration of function ldv_is_err [2024-10-11 21:22:01,262 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 21:22:01,300 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-10-11 21:22:01,352 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 21:22:01,462 WARN L1336 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5334] [2024-10-11 21:22:01,463 WARN L1336 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5335-5336] [2024-10-11 21:22:01,476 WARN L634 FunctionHandler]: implicit declaration of function ldv_assume [2024-10-11 21:22:01,477 WARN L634 FunctionHandler]: implicit declaration of function ldv_is_err [2024-10-11 21:22:01,717 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 21:22:01,727 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 21:22:01,844 WARN L1336 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5334] [2024-10-11 21:22:01,845 WARN L1336 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5335-5336] [2024-10-11 21:22:01,847 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)); [5418] [2024-10-11 21:22:01,850 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("rep; bsf %1,%0": "=r" (word): "r" (~ word)); [5431] [2024-10-11 21:22:01,855 WARN L634 FunctionHandler]: implicit declaration of function ldv_assume [2024-10-11 21:22:01,855 WARN L634 FunctionHandler]: implicit declaration of function ldv_is_err [2024-10-11 21:22:02,265 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 *)"/work/ldvuser/mutilin/launch/work/current--X--net--X--defaultlinux-3.16-rc1.tar.xz--X--43_2a--X--cpachecker/linux-3.16-rc1.tar.xz/csd_deg_dscv/1383/dscv_tempdir/dscv/ri/43_2a/net/sched/sch_cbq.o.c.prepared"), "i" (1998), "i" (12UL)); [8477-8478] [2024-10-11 21:22:02,290 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 21:22:02,364 ERROR L321 MainTranslator]: Unsupported Syntax: The following functions are not defined or handled internally: ldv_is_err, ldv_assume [2024-10-11 21:22:02,365 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7f7ecdeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:22:02, skipping insertion in model container [2024-10-11 21:22:02,365 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 21:22:02,366 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-10-11 21:22:02,367 INFO L158 Benchmark]: Toolchain (without parser) took 2997.93ms. Allocated memory was 69.2MB in the beginning and 188.7MB in the end (delta: 119.5MB). Free memory was 32.0MB in the beginning and 91.1MB in the end (delta: -59.2MB). Peak memory consumption was 83.9MB. Max. memory is 16.1GB. [2024-10-11 21:22:02,368 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 50.3MB. Free memory was 30.7MB in the beginning and 30.7MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 21:22:02,370 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2995.19ms. Allocated memory was 69.2MB in the beginning and 188.7MB in the end (delta: 119.5MB). Free memory was 31.7MB in the beginning and 91.1MB in the end (delta: -59.4MB). Peak memory consumption was 83.9MB. Max. memory is 16.1GB. [2024-10-11 21:22:02,371 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 50.3MB. Free memory was 30.7MB in the beginning and 30.7MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2995.19ms. Allocated memory was 69.2MB in the beginning and 188.7MB in the end (delta: 119.5MB). Free memory was 31.7MB in the beginning and 91.1MB in the end (delta: -59.4MB). Peak memory consumption was 83.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 5418]: 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)); [5418] - GenericResultAtLocation [Line: 5431]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("rep; bsf %1,%0": "=r" (word): "r" (~ word)); [5431] - GenericResultAtLocation [Line: 8477]: 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 *)"/work/ldvuser/mutilin/launch/work/current--X--net--X--defaultlinux-3.16-rc1.tar.xz--X--43_2a--X--cpachecker/linux-3.16-rc1.tar.xz/csd_deg_dscv/1383/dscv_tempdir/dscv/ri/43_2a/net/sched/sch_cbq.o.c.prepared"), "i" (1998), "i" (12UL)); [8477-8478] - UnsupportedSyntaxResult [Line: -1]: Unsupported Syntax The following functions are not defined or handled internally: ldv_is_err, ldv_assume RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN