./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0cdc88-14c5-4b84-8199-0ffef244c17d/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0cdc88-14c5-4b84-8199-0ffef244c17d/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0cdc88-14c5-4b84-8199-0ffef244c17d/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0cdc88-14c5-4b84-8199-0ffef244c17d/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0cdc88-14c5-4b84-8199-0ffef244c17d/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0cdc88-14c5-4b84-8199-0ffef244c17d/bin/utaipan-verify-DbMuA5NWw2 --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 3a2c6724f5301da85e20fbddd1914030623487cb494f00194a53042f01a1dafb --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:27:47,902 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:27:47,979 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0cdc88-14c5-4b84-8199-0ffef244c17d/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-02 12:27:47,984 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:27:47,984 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:27:48,015 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:27:48,016 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:27:48,016 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:27:48,017 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:27:48,017 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:27:48,017 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:27:48,019 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:27:48,019 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:27:48,024 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:27:48,024 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:27:48,024 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:27:48,025 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:27:48,025 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:27:48,025 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:27:48,026 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:27:48,027 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:27:48,028 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:27:48,028 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:27:48,029 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:27:48,029 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:27:48,029 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:27:48,029 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:27:48,030 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:27:48,030 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:27:48,030 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:27:48,030 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:27:48,031 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:27:48,033 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:27:48,033 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:27:48,033 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:27:48,034 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:27:48,034 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:27:48,034 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:27:48,034 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:27:48,035 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:27:48,035 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:27:48,035 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:27:48,035 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:27:48,036 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:27:48,036 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_4e0cdc88-14c5-4b84-8199-0ffef244c17d/bin/utaipan-verify-DbMuA5NWw2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0cdc88-14c5-4b84-8199-0ffef244c17d/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a2c6724f5301da85e20fbddd1914030623487cb494f00194a53042f01a1dafb [2024-11-02 12:27:48,312 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:27:48,337 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:27:48,341 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:27:48,342 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:27:48,343 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:27:48,344 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0cdc88-14c5-4b84-8199-0ffef244c17d/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i Unable to find full path for "g++" [2024-11-02 12:27:50,589 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:27:51,270 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:27:51,271 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0cdc88-14c5-4b84-8199-0ffef244c17d/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i [2024-11-02 12:27:51,325 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0cdc88-14c5-4b84-8199-0ffef244c17d/bin/utaipan-verify-DbMuA5NWw2/data/8cda7f0c4/e158414c6a5e42779a1b8092b269b034/FLAG69a8ec4b6 [2024-11-02 12:27:51,675 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0cdc88-14c5-4b84-8199-0ffef244c17d/bin/utaipan-verify-DbMuA5NWw2/data/8cda7f0c4/e158414c6a5e42779a1b8092b269b034 [2024-11-02 12:27:51,678 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:27:51,679 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:27:51,681 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:27:51,681 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:27:51,687 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:27:51,688 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:27:51" (1/1) ... [2024-11-02 12:27:51,690 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ee73983 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:51, skipping insertion in model container [2024-11-02 12:27:51,690 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:27:51" (1/1) ... [2024-11-02 12:27:51,883 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:27:55,152 WARN L251 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_4e0cdc88-14c5-4b84-8199-0ffef244c17d/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i[325844,325857] [2024-11-02 12:27:55,202 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:27:55,264 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:27:55,518 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"); [5541] [2024-11-02 12:27:55,520 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)); [5548] [2024-11-02 12:27:55,520 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5555] [2024-11-02 12:27:55,522 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/7cdfae59d3ac602223400f61d8829e28/klever-core-work-dir/076166e/linux-drivers-clk1/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [5604-5605] [2024-11-02 12:27:55,523 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (44UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [5610-5612] [2024-11-02 12:27:55,524 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/7cdfae59d3ac602223400f61d8829e28/klever-core-work-dir/076166e/linux-drivers-clk1/lkbce/arch/x86/include/asm/paravirt.h"), "i" (809), "i" (12UL)); [5637-5638] [2024-11-02 12:27:55,525 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (45UL), [paravirt_opptr] "i" (& pv_irq_ops.restore_fl.func), [paravirt_clobber] "i" (1), "D" (f): "memory", "cc"); [5643-5645] [2024-11-02 12:27:55,526 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/7cdfae59d3ac602223400f61d8829e28/klever-core-work-dir/076166e/linux-drivers-clk1/lkbce/arch/x86/include/asm/paravirt.h"), "i" (814), "i" (12UL)); [5669-5670] [2024-11-02 12:27:55,526 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (46UL), [paravirt_opptr] "i" (& pv_irq_ops.irq_disable.func), [paravirt_clobber] "i" (1): "memory", "cc"); [5675-5677] [2024-11-02 12:27:55,527 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; nop": : : "memory"); [5703] [2024-11-02 12:27:55,533 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr))); [5849] [2024-11-02 12:27:55,533 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr))); [5856] [2024-11-02 12:27:55,541 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)); [5968-5969] [2024-11-02 12:27:55,545 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)); [6002-6003] [2024-11-02 12:27:55,554 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/skbuff.h"), "i" (1516), "i" (12UL)); [6177-6178] [2024-11-02 12:27:55,558 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" (502), "i" (12UL)); [6357-6358] [2024-11-02 12:27:55,559 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6364] [2024-11-02 12:27:55,618 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7641] [2024-11-02 12:27:55,620 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [7681] [2024-11-02 12:27:55,622 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [7734] [2024-11-02 12:27:55,627 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7786] [2024-11-02 12:27:55,628 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7810] [2024-11-02 12:27:55,629 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [7831] [2024-11-02 12:27:55,633 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7919] [2024-11-02 12:27:55,634 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 *)"drivers/net/ethernet/cadence/macb.c"), "i" (808), "i" (12UL)); [7938-7939] [2024-11-02 12:27:55,635 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7963] [2024-11-02 12:27:55,636 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [7993] [2024-11-02 12:27:55,637 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 *)"drivers/net/ethernet/cadence/macb.c"), "i" (863), "i" (12UL)); [8017-8018] [2024-11-02 12:27:55,652 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8300] [2024-11-02 12:27:55,950 WARN L251 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_4e0cdc88-14c5-4b84-8199-0ffef244c17d/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i[325844,325857] [2024-11-02 12:27:55,964 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:27:56,179 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:27:56,179 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:56 WrapperNode [2024-11-02 12:27:56,180 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:27:56,181 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:27:56,181 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:27:56,181 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:27:56,189 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:56" (1/1) ... [2024-11-02 12:27:56,328 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:56" (1/1) ... [2024-11-02 12:27:56,594 INFO L138 Inliner]: procedures = 413, calls = 2226, calls flagged for inlining = 248, calls inlined = 233, statements flattened = 6384 [2024-11-02 12:27:56,596 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:27:56,597 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:27:56,597 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:27:56,597 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:27:56,607 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:56" (1/1) ... [2024-11-02 12:27:56,607 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:56" (1/1) ... [2024-11-02 12:27:56,648 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:56" (1/1) ... [2024-11-02 12:27:56,649 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:56" (1/1) ... [2024-11-02 12:27:56,799 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:56" (1/1) ... [2024-11-02 12:27:56,837 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:56" (1/1) ... [2024-11-02 12:27:56,865 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:56" (1/1) ... [2024-11-02 12:27:56,888 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:56" (1/1) ... [2024-11-02 12:27:56,932 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:27:56,934 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:27:56,934 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:27:56,934 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:27:56,935 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:56" (1/1) ... [2024-11-02 12:27:56,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:27:56,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0cdc88-14c5-4b84-8199-0ffef244c17d/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:27:56,976 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0cdc88-14c5-4b84-8199-0ffef244c17d/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:27:56,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0cdc88-14c5-4b84-8199-0ffef244c17d/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:27:57,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-02 12:27:57,016 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-02 12:27:57,016 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2024-11-02 12:27:57,017 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2024-11-02 12:27:57,017 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-11-02 12:27:57,017 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-11-02 12:27:57,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-02 12:27:57,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-02 12:27:57,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_open_9_6 [2024-11-02 12:27:57,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_open_9_6 [2024-11-02 12:27:57,018 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2024-11-02 12:27:57,018 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2024-11-02 12:27:57,018 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-11-02 12:27:57,018 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-11-02 12:27:57,018 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-11-02 12:27:57,018 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-11-02 12:27:57,019 INFO L130 BoogieDeclarations]: Found specification of procedure macb_set_hwaddr [2024-11-02 12:27:57,019 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_set_hwaddr [2024-11-02 12:27:57,019 INFO L130 BoogieDeclarations]: Found specification of procedure macb_get_regs_len [2024-11-02 12:27:57,019 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_get_regs_len [2024-11-02 12:27:57,019 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2024-11-02 12:27:57,019 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2024-11-02 12:27:57,020 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-02 12:27:57,020 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-02 12:27:57,020 INFO L130 BoogieDeclarations]: Found specification of procedure macb_probe [2024-11-02 12:27:57,020 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_probe [2024-11-02 12:27:57,020 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2024-11-02 12:27:57,020 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2024-11-02 12:27:57,021 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-11-02 12:27:57,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-11-02 12:27:57,021 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2024-11-02 12:27:57,022 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2024-11-02 12:27:57,022 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-11-02 12:27:57,023 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-11-02 12:27:57,023 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-02 12:27:57,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-02 12:27:57,023 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2024-11-02 12:27:57,023 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2024-11-02 12:27:57,023 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-02 12:27:57,023 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-02 12:27:57,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-02 12:27:57,024 INFO L130 BoogieDeclarations]: Found specification of procedure macb_remove [2024-11-02 12:27:57,024 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_remove [2024-11-02 12:27:57,024 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-02 12:27:57,024 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-02 12:27:57,024 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2024-11-02 12:27:57,024 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2024-11-02 12:27:57,025 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-11-02 12:27:57,025 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-11-02 12:27:57,025 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2024-11-02 12:27:57,025 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2024-11-02 12:27:57,025 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2024-11-02 12:27:57,025 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2024-11-02 12:27:57,026 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2024-11-02 12:27:57,026 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-11-02 12:27:57,026 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-11-02 12:27:57,027 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2024-11-02 12:27:57,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2024-11-02 12:27:57,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-02 12:27:57,027 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-11-02 12:27:57,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-11-02 12:27:57,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-02 12:27:57,028 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-11-02 12:27:57,028 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-11-02 12:27:57,028 INFO L130 BoogieDeclarations]: Found specification of procedure macb_free_consistent [2024-11-02 12:27:57,028 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_free_consistent [2024-11-02 12:27:57,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2024-11-02 12:27:57,029 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2024-11-02 12:27:57,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2024-11-02 12:27:57,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2024-11-02 12:27:57,029 INFO L130 BoogieDeclarations]: Found specification of procedure macb_open [2024-11-02 12:27:57,029 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_open [2024-11-02 12:27:57,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-11-02 12:27:57,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-11-02 12:27:57,030 INFO L130 BoogieDeclarations]: Found specification of procedure macb_alloc_consistent [2024-11-02 12:27:57,030 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_alloc_consistent [2024-11-02 12:27:57,030 INFO L130 BoogieDeclarations]: Found specification of procedure macb_resume [2024-11-02 12:27:57,030 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_resume [2024-11-02 12:27:57,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-02 12:27:57,030 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2024-11-02 12:27:57,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2024-11-02 12:27:57,031 INFO L130 BoogieDeclarations]: Found specification of procedure macb_is_gem [2024-11-02 12:27:57,031 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_is_gem [2024-11-02 12:27:57,031 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2024-11-02 12:27:57,031 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2024-11-02 12:27:57,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:27:57,032 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-02 12:27:57,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-02 12:27:57,032 INFO L130 BoogieDeclarations]: Found specification of procedure macb_rx_ring_wrap [2024-11-02 12:27:57,032 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_rx_ring_wrap [2024-11-02 12:27:57,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-02 12:27:57,032 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-02 12:27:57,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-02 12:27:57,032 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-11-02 12:27:57,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-11-02 12:27:57,032 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2024-11-02 12:27:57,033 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2024-11-02 12:27:57,033 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-11-02 12:27:57,033 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-11-02 12:27:57,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2024-11-02 12:27:57,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2024-11-02 12:27:57,033 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-11-02 12:27:57,033 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-11-02 12:27:57,033 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2024-11-02 12:27:57,033 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2024-11-02 12:27:57,033 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2024-11-02 12:27:57,033 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2024-11-02 12:27:57,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:27:57,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:27:57,035 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-11-02 12:27:57,035 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-11-02 12:27:57,035 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_free [2024-11-02 12:27:57,035 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_free [2024-11-02 12:27:57,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2024-11-02 12:27:57,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-02 12:27:57,036 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-02 12:27:57,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-02 12:27:57,037 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_unregister [2024-11-02 12:27:57,037 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_unregister [2024-11-02 12:27:57,040 INFO L130 BoogieDeclarations]: Found specification of procedure phy_find_first [2024-11-02 12:27:57,040 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_find_first [2024-11-02 12:27:57,040 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2024-11-02 12:27:57,040 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2024-11-02 12:27:57,041 INFO L130 BoogieDeclarations]: Found specification of procedure macb_tx_ring_wrap [2024-11-02 12:27:57,041 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_tx_ring_wrap [2024-11-02 12:27:57,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_17 [2024-11-02 12:27:57,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_17 [2024-11-02 12:27:57,041 INFO L130 BoogieDeclarations]: Found specification of procedure macb_get_hwaddr [2024-11-02 12:27:57,041 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_get_hwaddr [2024-11-02 12:27:57,041 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-11-02 12:27:57,041 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-11-02 12:27:57,041 INFO L130 BoogieDeclarations]: Found specification of procedure macb_handle_link_change [2024-11-02 12:27:57,041 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_handle_link_change [2024-11-02 12:27:57,041 INFO L130 BoogieDeclarations]: Found specification of procedure macb_mii_init [2024-11-02 12:27:57,041 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_mii_init [2024-11-02 12:27:57,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_prepare_enable_14 [2024-11-02 12:27:57,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_prepare_enable_14 [2024-11-02 12:27:57,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_prepare_enable_16 [2024-11-02 12:27:57,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_prepare_enable_16 [2024-11-02 12:27:57,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_prepare_enable_15 [2024-11-02 12:27:57,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_prepare_enable_15 [2024-11-02 12:27:57,044 INFO L130 BoogieDeclarations]: Found specification of procedure macb_close [2024-11-02 12:27:57,044 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_close [2024-11-02 12:27:57,044 INFO L130 BoogieDeclarations]: Found specification of procedure macb_mdc_clk_div [2024-11-02 12:27:57,044 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_mdc_clk_div [2024-11-02 12:27:57,044 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2024-11-02 12:27:57,044 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2024-11-02 12:27:57,044 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-11-02 12:27:57,045 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-11-02 12:27:57,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_disable_unprepare_19 [2024-11-02 12:27:57,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_disable_unprepare_19 [2024-11-02 12:27:57,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-02 12:27:57,045 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_platdata [2024-11-02 12:27:57,045 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_platdata [2024-11-02 12:27:57,045 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2024-11-02 12:27:57,045 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2024-11-02 12:27:57,046 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2024-11-02 12:27:57,046 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2024-11-02 12:27:57,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_disable_unprepare_21 [2024-11-02 12:27:57,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_disable_unprepare_21 [2024-11-02 12:27:57,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-02 12:27:57,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_disable_unprepare_20 [2024-11-02 12:27:57,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_disable_unprepare_20 [2024-11-02 12:27:57,046 INFO L130 BoogieDeclarations]: Found specification of procedure clk_get_rate [2024-11-02 12:27:57,046 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_get_rate [2024-11-02 12:27:57,046 INFO L130 BoogieDeclarations]: Found specification of procedure macb_set_rx_mode [2024-11-02 12:27:57,046 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_set_rx_mode [2024-11-02 12:27:57,046 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-02 12:27:57,047 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-02 12:27:57,047 INFO L130 BoogieDeclarations]: Found specification of procedure macb_tx_desc [2024-11-02 12:27:57,048 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_tx_desc [2024-11-02 12:27:57,048 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2024-11-02 12:27:57,048 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2024-11-02 12:27:57,048 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2024-11-02 12:27:57,048 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2024-11-02 12:27:57,048 INFO L130 BoogieDeclarations]: Found specification of procedure macb_reset_hw [2024-11-02 12:27:57,049 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_reset_hw [2024-11-02 12:27:57,049 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-11-02 12:27:57,049 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-11-02 12:27:57,049 INFO L130 BoogieDeclarations]: Found specification of procedure macb_suspend [2024-11-02 12:27:57,049 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_suspend [2024-11-02 12:27:57,049 INFO L130 BoogieDeclarations]: Found specification of procedure devm_clk_get [2024-11-02 12:27:57,049 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_clk_get [2024-11-02 12:27:57,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-11-02 12:27:57,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-11-02 12:27:57,050 INFO L130 BoogieDeclarations]: Found specification of procedure macb_dbw [2024-11-02 12:27:57,050 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_dbw [2024-11-02 12:27:57,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-02 12:27:57,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-02 12:27:57,050 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2024-11-02 12:27:57,050 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2024-11-02 12:27:57,051 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2024-11-02 12:27:57,051 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2024-11-02 12:27:57,051 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-11-02 12:27:57,051 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-11-02 12:27:57,051 INFO L130 BoogieDeclarations]: Found specification of procedure devm_pinctrl_put [2024-11-02 12:27:57,051 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_pinctrl_put [2024-11-02 12:27:57,051 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-11-02 12:27:57,052 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-11-02 12:27:57,052 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-02 12:27:57,052 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-02 12:27:57,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-02 12:27:57,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-02 12:27:57,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-02 12:27:57,052 INFO L130 BoogieDeclarations]: Found specification of procedure gem_rx_refill [2024-11-02 12:27:57,052 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_rx_refill [2024-11-02 12:27:57,052 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2024-11-02 12:27:57,052 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2024-11-02 12:27:57,052 INFO L130 BoogieDeclarations]: Found specification of procedure macb_tx_dma [2024-11-02 12:27:57,053 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_tx_dma [2024-11-02 12:27:57,053 INFO L130 BoogieDeclarations]: Found specification of procedure macb_tx_skb [2024-11-02 12:27:57,053 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_tx_skb [2024-11-02 12:27:57,053 INFO L130 BoogieDeclarations]: Found specification of procedure macb_interrupt [2024-11-02 12:27:57,053 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_interrupt [2024-11-02 12:27:57,053 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2024-11-02 12:27:57,053 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2024-11-02 12:27:57,053 INFO L130 BoogieDeclarations]: Found specification of procedure __readl [2024-11-02 12:27:57,053 INFO L138 BoogieDeclarations]: Found implementation of procedure __readl [2024-11-02 12:27:57,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-11-02 12:27:57,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-11-02 12:27:57,055 INFO L130 BoogieDeclarations]: Found specification of procedure __writel [2024-11-02 12:27:57,055 INFO L138 BoogieDeclarations]: Found implementation of procedure __writel [2024-11-02 12:27:57,055 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2024-11-02 12:27:57,055 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2024-11-02 12:27:57,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:27:57,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-11-02 12:27:57,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-11-02 12:27:57,056 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2024-11-02 12:27:57,056 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2024-11-02 12:27:58,107 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:27:58,111 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:27:58,190 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-02 12:28:10,575 INFO L? ?]: Removed 2799 outVars from TransFormulas that were not future-live. [2024-11-02 12:28:10,576 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:28:13,213 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:28:13,215 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:28:13,215 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:28:13 BoogieIcfgContainer [2024-11-02 12:28:13,215 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:28:13,217 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:28:13,218 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:28:13,222 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:28:13,223 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:27:51" (1/3) ... [2024-11-02 12:28:13,225 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@479984b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:28:13, skipping insertion in model container [2024-11-02 12:28:13,225 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:56" (2/3) ... [2024-11-02 12:28:13,225 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@479984b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:28:13, skipping insertion in model container [2024-11-02 12:28:13,225 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:28:13" (3/3) ... [2024-11-02 12:28:13,227 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i [2024-11-02 12:28:13,250 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:28:13,250 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:28:13,384 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:28:13,391 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=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;@32a63704, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:28:13,393 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:28:13,407 INFO L276 IsEmpty]: Start isEmpty. Operand has 1536 states, 917 states have (on average 1.2595419847328244) internal successors, (1155), 941 states have internal predecessors, (1155), 511 states have call successors, (511), 107 states have call predecessors, (511), 106 states have return successors, (505), 500 states have call predecessors, (505), 505 states have call successors, (505) [2024-11-02 12:28:13,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-02 12:28:13,420 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:28:13,420 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:28:13,421 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:28:13,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:28:13,429 INFO L85 PathProgramCache]: Analyzing trace with hash -1642281225, now seen corresponding path program 1 times [2024-11-02 12:28:13,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:28:13,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005531359] [2024-11-02 12:28:13,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:28:13,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms