./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--atheros--atl1e--atl1e.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a40b085-3c1c-4ae2-bf31-44c53e54634b/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a40b085-3c1c-4ae2-bf31-44c53e54634b/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a40b085-3c1c-4ae2-bf31-44c53e54634b/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a40b085-3c1c-4ae2-bf31-44c53e54634b/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--atheros--atl1e--atl1e.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a40b085-3c1c-4ae2-bf31-44c53e54634b/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a40b085-3c1c-4ae2-bf31-44c53e54634b/bin/utaipan-verify-mE87zJ7Ire --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7e5652ce767ff2e1bcbd3f583f8e33ee2c54a0e67349cc7d1c1f8d74e875d01c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:36:14,658 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:36:14,817 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a40b085-3c1c-4ae2-bf31-44c53e54634b/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 20:36:14,825 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:36:14,826 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:36:14,870 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:36:14,871 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:36:14,872 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:36:14,873 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:36:14,879 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:36:14,879 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:36:14,880 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:36:14,880 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:36:14,882 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 20:36:14,883 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:36:14,883 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:36:14,884 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 20:36:14,884 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 20:36:14,885 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:36:14,887 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 20:36:14,888 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 20:36:14,889 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 20:36:14,890 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:36:14,890 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:36:14,891 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:36:14,892 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:36:14,892 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:36:14,893 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:36:14,893 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:36:14,894 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:36:14,895 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:36:14,896 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:36:14,896 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:36:14,896 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:36:14,896 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:36:14,897 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:36:14,897 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:36:14,897 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:36:14,898 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 20:36:14,898 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:36:14,898 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:36:14,899 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:36:14,899 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:36:14,899 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:36:14,900 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a40b085-3c1c-4ae2-bf31-44c53e54634b/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a40b085-3c1c-4ae2-bf31-44c53e54634b/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e5652ce767ff2e1bcbd3f583f8e33ee2c54a0e67349cc7d1c1f8d74e875d01c [2023-11-23 20:36:15,270 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:36:15,301 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:36:15,303 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:36:15,304 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:36:15,305 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:36:15,306 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a40b085-3c1c-4ae2-bf31-44c53e54634b/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--atheros--atl1e--atl1e.ko-entry_point.cil.out.i [2023-11-23 20:36:18,387 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:36:19,252 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:36:19,252 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a40b085-3c1c-4ae2-bf31-44c53e54634b/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--atheros--atl1e--atl1e.ko-entry_point.cil.out.i [2023-11-23 20:36:19,328 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a40b085-3c1c-4ae2-bf31-44c53e54634b/bin/utaipan-verify-mE87zJ7Ire/data/4f1ff8eb0/116d3e7136dc4a06a6655c35b3b294b0/FLAGb5d93ec1e [2023-11-23 20:36:19,349 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a40b085-3c1c-4ae2-bf31-44c53e54634b/bin/utaipan-verify-mE87zJ7Ire/data/4f1ff8eb0/116d3e7136dc4a06a6655c35b3b294b0 [2023-11-23 20:36:19,357 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:36:19,361 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:36:19,367 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:36:19,368 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:36:19,374 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:36:19,375 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:36:19" (1/1) ... [2023-11-23 20:36:19,377 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@98933a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:19, skipping insertion in model container [2023-11-23 20:36:19,377 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:36:19" (1/1) ... [2023-11-23 20:36:19,609 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:36:24,337 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a40b085-3c1c-4ae2-bf31-44c53e54634b/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--atheros--atl1e--atl1e.ko-entry_point.cil.out.i[418024,418037] [2023-11-23 20:36:24,438 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:36:24,507 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:36:24,693 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"); [6540] [2023-11-23 20:36:24,695 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)); [6547] [2023-11-23 20:36:24,696 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 %2, %0; setc %1": "+m" (*addr), "=qm" (c): "Ir" (nr): "memory"); [6555-6556] [2023-11-23 20:36:24,702 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; incl %0": "+m" (v->counter)); [6699] [2023-11-23 20:36:24,703 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; decl %0": "+m" (v->counter)); [6706] [2023-11-23 20:36:24,703 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; decl %0; sete %1": "+m" (v->counter), "=qm" (c): : "memory"); [6714-6715] [2023-11-23 20:36:24,704 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%1,%0": "=q" (pfo_ret__): "m" (__preempt_count)); [6726] [2023-11-23 20:36:24,705 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [6729] [2023-11-23 20:36:24,705 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [6732] [2023-11-23 20:36:24,706 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [6735] [2023-11-23 20:36:24,709 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %1,%0": "=r" (ret): "m" (*((unsigned short volatile *)addr)): "memory"); [6822] [2023-11-23 20:36:24,709 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [6830] [2023-11-23 20:36:24,710 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %0,%1": : "q" (val), "m" (*((unsigned char volatile *)addr)): "memory"); [6837] [2023-11-23 20:36:24,710 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %0,%1": : "r" (val), "m" (*((unsigned short volatile *)addr)): "memory"); [6844] [2023-11-23 20:36:24,711 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [6851] [2023-11-23 20:36:24,786 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)); [7086-7087] [2023-11-23 20:36:24,789 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)); [7115-7116] [2023-11-23 20:36:24,791 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" (84), "i" (12UL)); [7149-7150] [2023-11-23 20:36:24,793 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" (96), "i" (12UL)); [7173-7174] [2023-11-23 20:36:24,800 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ (" addl %1,%0\n adcl $0xffff,%0": "=r" (sum): "r" (sum << 16), "0" (sum & 4294901760U)); [7309] [2023-11-23 20:36:24,801 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ (" addl %1, %0\n adcl %2, %0\n adcl %3, %0\n adcl $0, %0\n": "=r" (sum): "g" (daddr), "g" (saddr), "g" (((int )len + (int )proto) << 8), "0" (sum)); [7317-7318] [2023-11-23 20:36:24,815 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/linux/netdevice.h"), "i" (507), "i" (12UL)); [7648-7649] [2023-11-23 20:36:24,815 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7654] [2023-11-23 20:36:24,984 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/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--43_2a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10498/dscv_tempdir/dscv/ri/43_2a/drivers/net/ethernet/atheros/atl1e/atl1e_main.c"), "i" (1803), "i" (12UL)); [9892-9893] [2023-11-23 20:36:24,991 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9952] [2023-11-23 20:36:25,121 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [12313] [2023-11-23 20:36:25,122 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; nop": : : "memory"); [12328] [2023-11-23 20:36:25,136 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [12561] [2023-11-23 20:36:25,137 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [12571] [2023-11-23 20:36:25,138 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [12594] [2023-11-23 20:36:25,139 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [12604] [2023-11-23 20:36:25,258 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [12860] [2023-11-23 20:36:25,300 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/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--43_2a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10498/dscv_tempdir/dscv/ri/43_2a/drivers/net/ethernet/atheros/atl1e/atl1e_param.c"), "i" (163), "i" (12UL)); [14020-14021] [2023-11-23 20:36:25,308 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a40b085-3c1c-4ae2-bf31-44c53e54634b/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--atheros--atl1e--atl1e.ko-entry_point.cil.out.i[418024,418037] [2023-11-23 20:36:25,317 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:36:25,677 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:36:25,687 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:36:25,688 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:25 WrapperNode [2023-11-23 20:36:25,688 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:36:25,690 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:36:25,690 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:36:25,690 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:36:25,700 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:25" (1/1) ... [2023-11-23 20:36:25,895 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:25" (1/1) ... [2023-11-23 20:36:26,317 INFO L138 Inliner]: procedures = 464, calls = 3213, calls flagged for inlining = 208, calls inlined = 193, statements flattened = 8788 [2023-11-23 20:36:26,319 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:36:26,319 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:36:26,320 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:36:26,320 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:36:26,416 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:25" (1/1) ... [2023-11-23 20:36:26,422 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:25" (1/1) ... [2023-11-23 20:36:26,585 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:25" (1/1) ... [2023-11-23 20:36:26,587 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:25" (1/1) ... [2023-11-23 20:36:26,956 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:25" (1/1) ... [2023-11-23 20:36:27,005 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:25" (1/1) ... [2023-11-23 20:36:27,062 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:25" (1/1) ... [2023-11-23 20:36:27,112 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:25" (1/1) ... [2023-11-23 20:36:27,177 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:36:27,179 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:36:27,179 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:36:27,179 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:36:27,180 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:25" (1/1) ... [2023-11-23 20:36:27,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:36:27,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a40b085-3c1c-4ae2-bf31-44c53e54634b/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:36:27,219 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a40b085-3c1c-4ae2-bf31-44c53e54634b/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:36:27,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a40b085-3c1c-4ae2-bf31-44c53e54634b/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:36:27,280 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2023-11-23 20:36:27,280 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2023-11-23 20:36:27,280 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-23 20:36:27,281 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-23 20:36:27,282 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_read_phy_reg [2023-11-23 20:36:27,282 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_read_phy_reg [2023-11-23 20:36:27,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-23 20:36:27,282 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-23 20:36:27,282 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_force_ps [2023-11-23 20:36:27,283 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_force_ps [2023-11-23 20:36:27,283 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2023-11-23 20:36:27,283 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2023-11-23 20:36:27,283 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-23 20:36:27,283 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-23 20:36:27,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-23 20:36:27,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-23 20:36:27,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 20:36:27,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 20:36:27,284 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_del_timer [2023-11-23 20:36:27,284 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_del_timer [2023-11-23 20:36:27,284 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2023-11-23 20:36:27,285 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2023-11-23 20:36:27,285 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_io_error_detected [2023-11-23 20:36:27,285 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_io_error_detected [2023-11-23 20:36:27,285 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_change_mtu [2023-11-23 20:36:27,286 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_change_mtu [2023-11-23 20:36:27,286 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_3 [2023-11-23 20:36:27,286 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_3 [2023-11-23 20:36:27,287 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2023-11-23 20:36:27,288 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2023-11-23 20:36:27,288 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-23 20:36:27,288 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-23 20:36:27,289 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-23 20:36:27,289 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-23 20:36:27,289 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2023-11-23 20:36:27,289 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2023-11-23 20:36:27,289 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-23 20:36:27,289 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-23 20:36:27,290 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_irq_disable [2023-11-23 20:36:27,290 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_irq_disable [2023-11-23 20:36:27,290 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_restart_autoneg [2023-11-23 20:36:27,291 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_restart_autoneg [2023-11-23 20:36:27,291 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2023-11-23 20:36:27,291 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2023-11-23 20:36:27,291 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-23 20:36:27,291 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-23 20:36:27,291 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_tpd [2023-11-23 20:36:27,292 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_tpd [2023-11-23 20:36:27,292 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-23 20:36:27,292 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-23 20:36:27,292 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-23 20:36:27,292 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-23 20:36:27,293 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-23 20:36:27,294 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-23 20:36:27,294 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-23 20:36:27,294 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-23 20:36:27,294 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_free_irq [2023-11-23 20:36:27,294 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_free_irq [2023-11-23 20:36:27,295 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-23 20:36:27,295 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-23 20:36:27,295 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2023-11-23 20:36:27,296 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2023-11-23 20:36:27,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:36:27,296 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2023-11-23 20:36:27,296 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2023-11-23 20:36:27,296 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_shutdown [2023-11-23 20:36:27,296 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_shutdown [2023-11-23 20:36:27,297 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2023-11-23 20:36:27,297 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2023-11-23 20:36:27,297 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_check_eeprom_exist [2023-11-23 20:36:27,297 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_check_eeprom_exist [2023-11-23 20:36:27,297 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2023-11-23 20:36:27,297 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2023-11-23 20:36:27,298 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-23 20:36:27,298 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-23 20:36:27,298 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2023-11-23 20:36:27,299 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2023-11-23 20:36:27,299 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-23 20:36:27,299 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-23 20:36:27,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-23 20:36:27,300 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_hw_set_mac_addr [2023-11-23 20:36:27,300 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_hw_set_mac_addr [2023-11-23 20:36:27,301 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-23 20:36:27,301 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-23 20:36:27,301 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-23 20:36:27,302 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-23 20:36:27,302 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_tx_buffer [2023-11-23 20:36:27,302 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_tx_buffer [2023-11-23 20:36:27,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 20:36:27,302 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_reset_task [2023-11-23 20:36:27,303 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_reset_task [2023-11-23 20:36:27,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:36:27,303 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-23 20:36:27,304 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-23 20:36:27,304 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2023-11-23 20:36:27,304 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2023-11-23 20:36:27,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-23 20:36:27,304 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-23 20:36:27,304 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2023-11-23 20:36:27,305 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2023-11-23 20:36:27,305 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2023-11-23 20:36:27,305 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2023-11-23 20:36:27,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-23 20:36:27,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-23 20:36:27,307 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_irq_reset [2023-11-23 20:36:27,308 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_irq_reset [2023-11-23 20:36:27,308 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-23 20:36:27,308 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-23 20:36:27,308 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-23 20:36:27,308 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-23 20:36:27,308 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_down [2023-11-23 20:36:27,309 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_down [2023-11-23 20:36:27,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-23 20:36:27,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-23 20:36:27,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 20:36:27,316 INFO L130 BoogieDeclarations]: Found specification of procedure __atl1e_vlan_mode [2023-11-23 20:36:27,316 INFO L138 BoogieDeclarations]: Found implementation of procedure __atl1e_vlan_mode [2023-11-23 20:36:27,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:36:27,316 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2023-11-23 20:36:27,317 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2023-11-23 20:36:27,318 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_fix_features [2023-11-23 20:36:27,318 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_fix_features [2023-11-23 20:36:27,319 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-23 20:36:27,323 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-23 20:36:27,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 20:36:27,324 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-23 20:36:27,324 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2023-11-23 20:36:27,324 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2023-11-23 20:36:27,324 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_set_multi [2023-11-23 20:36:27,324 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_set_multi [2023-11-23 20:36:27,324 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2023-11-23 20:36:27,325 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2023-11-23 20:36:27,325 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_remove [2023-11-23 20:36:27,325 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_remove [2023-11-23 20:36:27,325 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-11-23 20:36:27,325 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-11-23 20:36:27,325 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2023-11-23 20:36:27,326 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2023-11-23 20:36:27,326 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-23 20:36:27,326 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-23 20:36:27,326 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_free_ring_resources [2023-11-23 20:36:27,326 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_free_ring_resources [2023-11-23 20:36:27,326 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_stats [2023-11-23 20:36:27,327 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_stats [2023-11-23 20:36:27,327 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2023-11-23 20:36:27,327 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2023-11-23 20:36:27,327 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-23 20:36:27,327 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-23 20:36:27,327 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-23 20:36:27,328 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-23 20:36:27,328 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_validate_option [2023-11-23 20:36:27,328 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_validate_option [2023-11-23 20:36:27,328 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2023-11-23 20:36:27,328 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2023-11-23 20:36:27,328 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2023-11-23 20:36:27,329 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2023-11-23 20:36:27,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:36:27,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:36:27,329 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2023-11-23 20:36:27,329 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2023-11-23 20:36:27,329 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-23 20:36:27,330 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-23 20:36:27,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-23 20:36:27,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 20:36:27,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-23 20:36:27,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-23 20:36:27,330 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-11-23 20:36:27,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-11-23 20:36:27,331 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-23 20:36:27,331 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-23 20:36:27,331 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2023-11-23 20:36:27,331 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2023-11-23 20:36:27,331 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_clean_tx_ring [2023-11-23 20:36:27,332 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_clean_tx_ring [2023-11-23 20:36:27,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_7 [2023-11-23 20:36:27,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_7 [2023-11-23 20:36:27,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-23 20:36:27,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-23 20:36:27,335 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-23 20:36:27,335 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-23 20:36:27,335 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2023-11-23 20:36:27,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2023-11-23 20:36:27,336 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2023-11-23 20:36:27,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2023-11-23 20:36:27,336 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_set_mac_addr [2023-11-23 20:36:27,336 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_set_mac_addr [2023-11-23 20:36:27,336 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-23 20:36:27,337 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-23 20:36:27,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 20:36:27,337 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 20:36:27,337 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_resume [2023-11-23 20:36:27,337 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_resume [2023-11-23 20:36:27,337 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_notice [2023-11-23 20:36:27,337 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_notice [2023-11-23 20:36:27,338 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:36:27,338 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:36:27,338 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-23 20:36:27,338 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-23 20:36:27,338 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2023-11-23 20:36:27,338 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2023-11-23 20:36:27,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_4 [2023-11-23 20:36:27,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_4 [2023-11-23 20:36:27,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:36:27,339 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-23 20:36:27,339 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-23 20:36:27,339 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2023-11-23 20:36:27,339 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2023-11-23 20:36:27,340 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-23 20:36:27,340 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-23 20:36:27,340 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_tx_timeout [2023-11-23 20:36:27,340 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_tx_timeout [2023-11-23 20:36:27,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 20:36:27,340 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_vlan_mode [2023-11-23 20:36:27,340 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_vlan_mode [2023-11-23 20:36:27,341 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_write_phy_reg [2023-11-23 20:36:27,341 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_write_phy_reg [2023-11-23 20:36:27,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-11-23 20:36:27,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-11-23 20:36:27,341 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2023-11-23 20:36:27,341 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2023-11-23 20:36:27,341 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_up [2023-11-23 20:36:27,342 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_up [2023-11-23 20:36:27,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 20:36:27,342 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_3 [2023-11-23 20:36:27,342 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_3 [2023-11-23 20:36:27,342 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-23 20:36:27,342 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-23 20:36:27,343 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_phy_commit [2023-11-23 20:36:27,343 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_phy_commit [2023-11-23 20:36:27,343 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2023-11-23 20:36:27,343 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2023-11-23 20:36:27,343 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-23 20:36:27,343 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-23 20:36:27,343 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2023-11-23 20:36:27,344 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2023-11-23 20:36:27,344 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2023-11-23 20:36:27,344 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2023-11-23 20:36:27,344 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2023-11-23 20:36:27,344 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2023-11-23 20:36:27,344 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-23 20:36:27,346 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-23 20:36:27,350 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-11-23 20:36:27,351 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-11-23 20:36:27,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-23 20:36:27,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-23 20:36:27,351 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_ioctl [2023-11-23 20:36:27,351 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_ioctl [2023-11-23 20:36:27,351 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_link_chg_task [2023-11-23 20:36:27,352 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_link_chg_task [2023-11-23 20:36:27,352 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_reinit_locked [2023-11-23 20:36:27,353 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_reinit_locked [2023-11-23 20:36:27,355 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_phy_init [2023-11-23 20:36:27,355 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_phy_init [2023-11-23 20:36:27,355 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_intr [2023-11-23 20:36:27,355 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_intr [2023-11-23 20:36:27,355 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-23 20:36:27,355 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-23 20:36:27,356 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2023-11-23 20:36:27,356 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2023-11-23 20:36:27,356 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-23 20:36:27,356 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-23 20:36:27,356 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_4 [2023-11-23 20:36:27,356 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_4 [2023-11-23 20:36:27,357 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2023-11-23 20:36:27,357 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2023-11-23 20:36:27,357 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_irq_enable [2023-11-23 20:36:27,357 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_irq_enable [2023-11-23 20:36:27,357 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-23 20:36:27,357 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-23 20:36:27,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:36:27,358 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_io_slot_reset [2023-11-23 20:36:27,358 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_io_slot_reset [2023-11-23 20:36:27,358 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_netpoll [2023-11-23 20:36:27,358 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_netpoll [2023-11-23 20:36:27,358 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 20:36:27,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 20:36:27,358 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_read_eeprom [2023-11-23 20:36:27,359 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_read_eeprom [2023-11-23 20:36:27,359 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_suspend [2023-11-23 20:36:27,359 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_suspend [2023-11-23 20:36:27,359 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-23 20:36:27,359 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-23 20:36:27,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-23 20:36:27,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-23 20:36:27,360 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-11-23 20:36:27,360 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-11-23 20:36:27,360 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_set_features [2023-11-23 20:36:27,360 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_set_features [2023-11-23 20:36:27,360 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2023-11-23 20:36:27,361 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2023-11-23 20:36:27,361 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_request_irq [2023-11-23 20:36:27,361 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_request_irq [2023-11-23 20:36:27,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2023-11-23 20:36:27,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2023-11-23 20:36:27,361 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2023-11-23 20:36:27,361 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2023-11-23 20:36:27,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_6 [2023-11-23 20:36:27,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_6 [2023-11-23 20:36:27,362 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2023-11-23 20:36:27,362 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2023-11-23 20:36:27,362 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-11-23 20:36:27,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-11-23 20:36:27,362 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_eeprom_len [2023-11-23 20:36:27,363 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_eeprom_len [2023-11-23 20:36:27,363 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2023-11-23 20:36:27,363 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2023-11-23 20:36:27,363 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-23 20:36:27,364 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-23 20:36:27,364 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_reset_hw [2023-11-23 20:36:27,365 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_reset_hw [2023-11-23 20:36:27,365 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2023-11-23 20:36:27,365 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2023-11-23 20:36:27,365 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-23 20:36:27,365 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-23 20:36:27,366 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-23 20:36:27,366 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-23 20:36:27,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:36:27,366 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2023-11-23 20:36:27,366 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2023-11-23 20:36:27,367 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_regs_len [2023-11-23 20:36:27,367 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_regs_len [2023-11-23 20:36:27,367 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_clean_rx_ring [2023-11-23 20:36:27,367 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_clean_rx_ring [2023-11-23 20:36:28,560 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:36:28,566 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:36:29,067 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-23 20:36:41,300 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:36:47,893 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:36:47,893 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 20:36:47,896 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:36:47 BoogieIcfgContainer [2023-11-23 20:36:47,896 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:36:47,900 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:36:47,900 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:36:47,905 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:36:47,905 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:36:19" (1/3) ... [2023-11-23 20:36:47,906 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b7e5788 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:36:47, skipping insertion in model container [2023-11-23 20:36:47,906 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:25" (2/3) ... [2023-11-23 20:36:47,906 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b7e5788 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:36:47, skipping insertion in model container [2023-11-23 20:36:47,907 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:36:47" (3/3) ... [2023-11-23 20:36:47,908 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--atheros--atl1e--atl1e.ko-entry_point.cil.out.i [2023-11-23 20:36:47,936 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:36:47,937 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 20:36:48,066 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 20:36:48,074 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=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;@77049397, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 20:36:48,074 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 20:36:48,091 INFO L276 IsEmpty]: Start isEmpty. Operand has 2325 states, 1413 states have (on average 1.3149327671620665) internal successors, (1858), 1460 states have internal predecessors, (1858), 758 states have call successors, (758), 153 states have call predecessors, (758), 152 states have return successors, (747), 737 states have call predecessors, (747), 747 states have call successors, (747) [2023-11-23 20:36:48,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-11-23 20:36:48,136 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:36:48,137 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:36:48,137 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:36:48,144 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:36:48,144 INFO L85 PathProgramCache]: Analyzing trace with hash 1895483124, now seen corresponding path program 1 times [2023-11-23 20:36:48,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:36:48,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501115405] [2023-11-23 20:36:48,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:36:48,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:36:48,910 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 20:36:48,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [176852017] [2023-11-23 20:36:48,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:36:48,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 20:36:48,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a40b085-3c1c-4ae2-bf31-44c53e54634b/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:36:48,915 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a40b085-3c1c-4ae2-bf31-44c53e54634b/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 20:36:48,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a40b085-3c1c-4ae2-bf31-44c53e54634b/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 20:36:50,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:36:50,871 INFO L262 TraceCheckSpWp]: Trace formula consists of 3170 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:36:50,894 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:36:51,058 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2023-11-23 20:36:51,059 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:36:51,059 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:36:51,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501115405] [2023-11-23 20:36:51,060 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 20:36:51,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [176852017] [2023-11-23 20:36:51,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [176852017] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:36:51,061 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:36:51,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 20:36:51,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81473230] [2023-11-23 20:36:51,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:36:51,074 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 20:36:51,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:36:51,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 20:36:51,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 20:36:51,129 INFO L87 Difference]: Start difference. First operand has 2325 states, 1413 states have (on average 1.3149327671620665) internal successors, (1858), 1460 states have internal predecessors, (1858), 758 states have call successors, (758), 153 states have call predecessors, (758), 152 states have return successors, (747), 737 states have call predecessors, (747), 747 states have call successors, (747) Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-23 20:36:55,145 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 20:36:58,430 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 20:37:00,324 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 20:37:03,682 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []