./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 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_a106aed4-013e-4b39-9c04-f6f21794fa80/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a106aed4-013e-4b39-9c04-f6f21794fa80/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a106aed4-013e-4b39-9c04-f6f21794fa80/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a106aed4-013e-4b39-9c04-f6f21794fa80/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a106aed4-013e-4b39-9c04-f6f21794fa80/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a106aed4-013e-4b39-9c04-f6f21794fa80/bin/uautomizer-verify-bycVGegfSx --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash dc0241e7c40235715d7f33abd33c740b0c60d48c0a8a0992cf99bd2d48b4ffd0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:21:17,550 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:21:17,617 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a106aed4-013e-4b39-9c04-f6f21794fa80/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-21 22:21:17,623 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:21:17,624 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:21:17,646 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:21:17,647 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:21:17,648 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:21:17,649 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:21:17,650 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:21:17,650 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:21:17,651 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:21:17,652 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:21:17,653 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:21:17,653 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:21:17,654 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:21:17,655 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:21:17,655 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:21:17,656 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:21:17,657 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:21:17,657 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:21:17,658 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:21:17,659 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:21:17,659 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:21:17,660 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:21:17,661 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:21:17,661 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:21:17,662 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:21:17,662 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:21:17,663 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:21:17,664 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:21:17,664 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:21:17,665 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:21:17,665 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:21:17,665 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:21:17,666 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:21:17,666 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:21:17,666 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:21:17,667 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:21:17,667 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a106aed4-013e-4b39-9c04-f6f21794fa80/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a106aed4-013e-4b39-9c04-f6f21794fa80/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dc0241e7c40235715d7f33abd33c740b0c60d48c0a8a0992cf99bd2d48b4ffd0 [2023-11-21 22:21:17,914 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:21:17,948 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:21:17,951 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:21:17,953 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:21:17,954 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:21:17,955 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a106aed4-013e-4b39-9c04-f6f21794fa80/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i [2023-11-21 22:21:21,100 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:21:21,800 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:21:21,801 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a106aed4-013e-4b39-9c04-f6f21794fa80/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i [2023-11-21 22:21:21,860 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a106aed4-013e-4b39-9c04-f6f21794fa80/bin/uautomizer-verify-bycVGegfSx/data/838ec8649/fdf51b4a062e42ed94259027a31c38f5/FLAG22e734b78 [2023-11-21 22:21:21,879 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a106aed4-013e-4b39-9c04-f6f21794fa80/bin/uautomizer-verify-bycVGegfSx/data/838ec8649/fdf51b4a062e42ed94259027a31c38f5 [2023-11-21 22:21:21,886 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:21:21,888 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:21:21,891 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:21:21,891 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:21:21,897 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:21:21,900 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:21:21" (1/1) ... [2023-11-21 22:21:21,902 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6216cf57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:21, skipping insertion in model container [2023-11-21 22:21:21,902 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:21:21" (1/1) ... [2023-11-21 22:21:22,119 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:21:25,414 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_a106aed4-013e-4b39-9c04-f6f21794fa80/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i[336326,336339] [2023-11-21 22:21:25,445 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:21:25,487 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:21:25,675 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"); [5533] [2023-11-21 22:21:25,677 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)); [5540] [2023-11-21 22:21:25,678 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5547] [2023-11-21 22:21:25,679 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/dfbfd2da522a1f5f4786ee57b863db44/klever-core-work-dir/e5e3e20/linux-drivers-clk1/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [5596-5597] [2023-11-21 22:21:25,680 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"); [5602-5604] [2023-11-21 22:21:25,681 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/dfbfd2da522a1f5f4786ee57b863db44/klever-core-work-dir/e5e3e20/linux-drivers-clk1/lkbce/arch/x86/include/asm/paravirt.h"), "i" (809), "i" (12UL)); [5629-5630] [2023-11-21 22:21:25,681 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"); [5635-5637] [2023-11-21 22:21:25,682 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/dfbfd2da522a1f5f4786ee57b863db44/klever-core-work-dir/e5e3e20/linux-drivers-clk1/lkbce/arch/x86/include/asm/paravirt.h"), "i" (814), "i" (12UL)); [5661-5662] [2023-11-21 22:21:25,683 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"); [5667-5669] [2023-11-21 22:21:25,683 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; nop": : : "memory"); [5695] [2023-11-21 22:21:25,692 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr))); [5841] [2023-11-21 22:21:25,692 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr))); [5848] [2023-11-21 22:21:25,699 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)); [5960-5961] [2023-11-21 22:21:25,701 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)); [5994-5995] [2023-11-21 22:21:25,710 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)); [6169-6170] [2023-11-21 22:21:25,715 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)); [6349-6350] [2023-11-21 22:21:25,715 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6356] [2023-11-21 22:21:25,783 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7633] [2023-11-21 22:21:25,785 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [7673] [2023-11-21 22:21:25,788 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [7726] [2023-11-21 22:21:25,791 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7778] [2023-11-21 22:21:25,792 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7802] [2023-11-21 22:21:25,793 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [7823] [2023-11-21 22:21:25,801 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7911] [2023-11-21 22:21:25,802 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)); [7930-7931] [2023-11-21 22:21:25,803 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7955] [2023-11-21 22:21:25,804 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [7985] [2023-11-21 22:21:25,805 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)); [8009-8010] [2023-11-21 22:21:25,859 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8292] [2023-11-21 22:21:26,097 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_a106aed4-013e-4b39-9c04-f6f21794fa80/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i[336326,336339] [2023-11-21 22:21:26,112 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:21:26,348 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:21:26,349 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:26 WrapperNode [2023-11-21 22:21:26,349 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:21:26,350 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:21:26,351 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:21:26,351 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:21:26,358 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:26" (1/1) ... [2023-11-21 22:21:26,481 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:26" (1/1) ... [2023-11-21 22:21:26,762 INFO L138 Inliner]: procedures = 426, calls = 2261, calls flagged for inlining = 259, calls inlined = 248, statements flattened = 6534 [2023-11-21 22:21:26,763 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:21:26,764 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:21:26,764 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:21:26,764 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:21:26,775 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:26" (1/1) ... [2023-11-21 22:21:26,776 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:26" (1/1) ... [2023-11-21 22:21:26,804 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:26" (1/1) ... [2023-11-21 22:21:29,187 WARN L106 HeapSplitter]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure #Ultimate.C_memcpy is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2023-11-21 22:21:29,188 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:26" (1/1) ... [2023-11-21 22:21:29,188 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:26" (1/1) ... [2023-11-21 22:21:29,369 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:26" (1/1) ... [2023-11-21 22:21:29,408 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:26" (1/1) ... [2023-11-21 22:21:29,440 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:26" (1/1) ... [2023-11-21 22:21:29,470 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:26" (1/1) ... [2023-11-21 22:21:29,523 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:21:29,525 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:21:29,525 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:21:29,526 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:21:29,527 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:26" (1/1) ... [2023-11-21 22:21:29,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:21:29,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a106aed4-013e-4b39-9c04-f6f21794fa80/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:21:29,570 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a106aed4-013e-4b39-9c04-f6f21794fa80/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:21:29,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a106aed4-013e-4b39-9c04-f6f21794fa80/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:21:29,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-21 22:21:29,627 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-21 22:21:29,627 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-11-21 22:21:29,627 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-11-21 22:21:29,628 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-21 22:21:29,628 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-21 22:21:29,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-21 22:21:29,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-21 22:21:29,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_open_9_6 [2023-11-21 22:21:29,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_open_9_6 [2023-11-21 22:21:29,629 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2023-11-21 22:21:29,629 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2023-11-21 22:21:29,629 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-21 22:21:29,629 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-21 22:21:29,630 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-21 22:21:29,630 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-21 22:21:29,630 INFO L130 BoogieDeclarations]: Found specification of procedure macb_set_hwaddr [2023-11-21 22:21:29,630 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_set_hwaddr [2023-11-21 22:21:29,630 INFO L130 BoogieDeclarations]: Found specification of procedure macb_get_regs_len [2023-11-21 22:21:29,630 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_get_regs_len [2023-11-21 22:21:29,631 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2023-11-21 22:21:29,631 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2023-11-21 22:21:29,631 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-21 22:21:29,631 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-21 22:21:29,631 INFO L130 BoogieDeclarations]: Found specification of procedure macb_probe [2023-11-21 22:21:29,631 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_probe [2023-11-21 22:21:29,632 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2023-11-21 22:21:29,632 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2023-11-21 22:21:29,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-21 22:21:29,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-21 22:21:29,632 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-21 22:21:29,633 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-21 22:21:29,633 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-21 22:21:29,633 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-21 22:21:29,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-21 22:21:29,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-21 22:21:29,633 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2023-11-21 22:21:29,634 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2023-11-21 22:21:29,634 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-21 22:21:29,634 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-21 22:21:29,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 22:21:29,634 INFO L130 BoogieDeclarations]: Found specification of procedure macb_remove [2023-11-21 22:21:29,634 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_remove [2023-11-21 22:21:29,635 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-21 22:21:29,635 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-21 22:21:29,635 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2023-11-21 22:21:29,635 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2023-11-21 22:21:29,635 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-21 22:21:29,636 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-21 22:21:29,636 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2023-11-21 22:21:29,636 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2023-11-21 22:21:29,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-21 22:21:29,636 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2023-11-21 22:21:29,636 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2023-11-21 22:21:29,637 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-21 22:21:29,637 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-21 22:21:29,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2023-11-21 22:21:29,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2023-11-21 22:21:29,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-21 22:21:29,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-21 22:21:29,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-21 22:21:29,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 22:21:29,638 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-21 22:21:29,638 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-21 22:21:29,638 INFO L130 BoogieDeclarations]: Found specification of procedure macb_free_consistent [2023-11-21 22:21:29,639 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_free_consistent [2023-11-21 22:21:29,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-21 22:21:29,639 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-21 22:21:29,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2023-11-21 22:21:29,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2023-11-21 22:21:29,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-21 22:21:29,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-21 22:21:29,640 INFO L130 BoogieDeclarations]: Found specification of procedure macb_open [2023-11-21 22:21:29,640 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_open [2023-11-21 22:21:29,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-21 22:21:29,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-21 22:21:29,640 INFO L130 BoogieDeclarations]: Found specification of procedure macb_alloc_consistent [2023-11-21 22:21:29,641 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_alloc_consistent [2023-11-21 22:21:29,641 INFO L130 BoogieDeclarations]: Found specification of procedure macb_resume [2023-11-21 22:21:29,641 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_resume [2023-11-21 22:21:29,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 22:21:29,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-21 22:21:29,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-21 22:21:29,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-21 22:21:29,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-21 22:21:29,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2023-11-21 22:21:29,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2023-11-21 22:21:29,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2023-11-21 22:21:29,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2023-11-21 22:21:29,643 INFO L130 BoogieDeclarations]: Found specification of procedure macb_is_gem [2023-11-21 22:21:29,643 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_is_gem [2023-11-21 22:21:29,643 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2023-11-21 22:21:29,643 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2023-11-21 22:21:29,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:21:29,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-21 22:21:29,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-21 22:21:29,644 INFO L130 BoogieDeclarations]: Found specification of procedure macb_rx_ring_wrap [2023-11-21 22:21:29,644 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_rx_ring_wrap [2023-11-21 22:21:29,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 22:21:29,644 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-21 22:21:29,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-21 22:21:29,645 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-21 22:21:29,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-21 22:21:29,645 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2023-11-21 22:21:29,645 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2023-11-21 22:21:29,645 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-21 22:21:29,645 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-21 22:21:29,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-21 22:21:29,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-21 22:21:29,646 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-21 22:21:29,646 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-21 22:21:29,646 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2023-11-21 22:21:29,646 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2023-11-21 22:21:29,647 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2023-11-21 22:21:29,647 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2023-11-21 22:21:29,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:21:29,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:21:29,647 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-21 22:21:29,647 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-21 22:21:29,648 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_free [2023-11-21 22:21:29,648 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_free [2023-11-21 22:21:29,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-21 22:21:29,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-21 22:21:29,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-21 22:21:29,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-21 22:21:29,649 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_unregister [2023-11-21 22:21:29,649 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_unregister [2023-11-21 22:21:29,649 INFO L130 BoogieDeclarations]: Found specification of procedure phy_find_first [2023-11-21 22:21:29,649 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_find_first [2023-11-21 22:21:29,649 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-21 22:21:29,650 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-21 22:21:29,650 INFO L130 BoogieDeclarations]: Found specification of procedure macb_tx_ring_wrap [2023-11-21 22:21:29,650 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_tx_ring_wrap [2023-11-21 22:21:29,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-21 22:21:29,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-21 22:21:29,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_17 [2023-11-21 22:21:29,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_17 [2023-11-21 22:21:29,651 INFO L130 BoogieDeclarations]: Found specification of procedure macb_get_hwaddr [2023-11-21 22:21:29,651 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_get_hwaddr [2023-11-21 22:21:29,651 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-21 22:21:29,651 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-21 22:21:29,651 INFO L130 BoogieDeclarations]: Found specification of procedure macb_handle_link_change [2023-11-21 22:21:29,652 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_handle_link_change [2023-11-21 22:21:29,652 INFO L130 BoogieDeclarations]: Found specification of procedure macb_mii_init [2023-11-21 22:21:29,652 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_mii_init [2023-11-21 22:21:29,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_prepare_enable_14 [2023-11-21 22:21:29,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_prepare_enable_14 [2023-11-21 22:21:29,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_prepare_enable_16 [2023-11-21 22:21:29,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_prepare_enable_16 [2023-11-21 22:21:29,653 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_prepare_enable_15 [2023-11-21 22:21:29,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_prepare_enable_15 [2023-11-21 22:21:29,653 INFO L130 BoogieDeclarations]: Found specification of procedure macb_close [2023-11-21 22:21:29,653 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_close [2023-11-21 22:21:29,653 INFO L130 BoogieDeclarations]: Found specification of procedure macb_mdc_clk_div [2023-11-21 22:21:29,654 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_mdc_clk_div [2023-11-21 22:21:29,654 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2023-11-21 22:21:29,654 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2023-11-21 22:21:29,654 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-21 22:21:29,654 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-21 22:21:29,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_disable_unprepare_19 [2023-11-21 22:21:29,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_disable_unprepare_19 [2023-11-21 22:21:29,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 22:21:29,655 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_platdata [2023-11-21 22:21:29,655 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_platdata [2023-11-21 22:21:29,655 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2023-11-21 22:21:29,655 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2023-11-21 22:21:29,655 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-21 22:21:29,656 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-21 22:21:29,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_disable_unprepare_21 [2023-11-21 22:21:29,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_disable_unprepare_21 [2023-11-21 22:21:29,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 22:21:29,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_disable_unprepare_20 [2023-11-21 22:21:29,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_disable_unprepare_20 [2023-11-21 22:21:29,656 INFO L130 BoogieDeclarations]: Found specification of procedure clk_get_rate [2023-11-21 22:21:29,657 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_get_rate [2023-11-21 22:21:29,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-21 22:21:29,657 INFO L130 BoogieDeclarations]: Found specification of procedure macb_set_rx_mode [2023-11-21 22:21:29,657 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_set_rx_mode [2023-11-21 22:21:29,657 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-21 22:21:29,657 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-21 22:21:29,658 INFO L130 BoogieDeclarations]: Found specification of procedure macb_tx_desc [2023-11-21 22:21:29,658 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_tx_desc [2023-11-21 22:21:29,658 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2023-11-21 22:21:29,658 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2023-11-21 22:21:29,658 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-21 22:21:29,658 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-21 22:21:29,658 INFO L130 BoogieDeclarations]: Found specification of procedure macb_reset_hw [2023-11-21 22:21:29,659 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_reset_hw [2023-11-21 22:21:29,659 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-21 22:21:29,659 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-21 22:21:29,659 INFO L130 BoogieDeclarations]: Found specification of procedure macb_suspend [2023-11-21 22:21:29,659 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_suspend [2023-11-21 22:21:29,659 INFO L130 BoogieDeclarations]: Found specification of procedure devm_clk_get [2023-11-21 22:21:29,659 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_clk_get [2023-11-21 22:21:29,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-21 22:21:29,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-21 22:21:29,660 INFO L130 BoogieDeclarations]: Found specification of procedure macb_dbw [2023-11-21 22:21:29,660 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_dbw [2023-11-21 22:21:29,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-21 22:21:29,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-21 22:21:29,661 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-11-21 22:21:29,661 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-11-21 22:21:29,661 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-21 22:21:29,661 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-21 22:21:29,661 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-21 22:21:29,661 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-21 22:21:29,662 INFO L130 BoogieDeclarations]: Found specification of procedure devm_pinctrl_put [2023-11-21 22:21:29,662 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_pinctrl_put [2023-11-21 22:21:29,662 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-21 22:21:29,662 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-21 22:21:29,662 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-21 22:21:29,662 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-21 22:21:29,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 22:21:29,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-21 22:21:29,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-21 22:21:29,663 INFO L130 BoogieDeclarations]: Found specification of procedure gem_rx_refill [2023-11-21 22:21:29,663 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_rx_refill [2023-11-21 22:21:29,663 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-21 22:21:29,663 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-21 22:21:29,663 INFO L130 BoogieDeclarations]: Found specification of procedure macb_tx_dma [2023-11-21 22:21:29,664 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_tx_dma [2023-11-21 22:21:29,664 INFO L130 BoogieDeclarations]: Found specification of procedure macb_tx_skb [2023-11-21 22:21:29,664 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_tx_skb [2023-11-21 22:21:29,664 INFO L130 BoogieDeclarations]: Found specification of procedure macb_interrupt [2023-11-21 22:21:29,664 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_interrupt [2023-11-21 22:21:29,664 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-21 22:21:29,664 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-21 22:21:29,665 INFO L130 BoogieDeclarations]: Found specification of procedure __readl [2023-11-21 22:21:29,665 INFO L138 BoogieDeclarations]: Found implementation of procedure __readl [2023-11-21 22:21:29,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-21 22:21:29,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-21 22:21:29,665 INFO L130 BoogieDeclarations]: Found specification of procedure __writel [2023-11-21 22:21:29,665 INFO L138 BoogieDeclarations]: Found implementation of procedure __writel [2023-11-21 22:21:29,665 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2023-11-21 22:21:29,666 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2023-11-21 22:21:29,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 22:21:29,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-21 22:21:29,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-21 22:21:29,666 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2023-11-21 22:21:29,666 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2023-11-21 22:21:30,774 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:21:30,778 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:21:30,872 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-21 22:21:38,572 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-21 22:21:38,720 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:21:42,809 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:21:42,810 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 22:21:42,812 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:21:42 BoogieIcfgContainer [2023-11-21 22:21:42,813 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:21:42,817 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:21:42,819 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:21:42,823 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:21:42,823 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:21:21" (1/3) ... [2023-11-21 22:21:42,825 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@586a68fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:21:42, skipping insertion in model container [2023-11-21 22:21:42,825 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:26" (2/3) ... [2023-11-21 22:21:42,827 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@586a68fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:21:42, skipping insertion in model container [2023-11-21 22:21:42,828 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:21:42" (3/3) ... [2023-11-21 22:21:42,829 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i [2023-11-21 22:21:42,850 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:21:42,855 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:21:42,975 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:21:42,983 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=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7079a503, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:21:42,983 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:21:42,998 INFO L276 IsEmpty]: Start isEmpty. Operand has 1706 states, 1041 states have (on average 1.2910662824207493) internal successors, (1344), 1059 states have internal predecessors, (1344), 553 states have call successors, (553), 112 states have call predecessors, (553), 111 states have return successors, (546), 541 states have call predecessors, (546), 546 states have call successors, (546) [2023-11-21 22:21:43,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-11-21 22:21:43,042 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:21:43,043 INFO L195 NwaCegarLoop]: trace histogram [12, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:21:43,044 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:21:43,052 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:21:43,052 INFO L85 PathProgramCache]: Analyzing trace with hash -472602234, now seen corresponding path program 1 times [2023-11-21 22:21:43,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:21:43,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830007042] [2023-11-21 22:21:43,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:21:43,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:21:43,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:21:43,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:21:43,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:21:43,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:21:43,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:21:43,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-21 22:21:43,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:21:43,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:21:43,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:21:43,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-21 22:21:43,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:21:43,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:21:43,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:21:43,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-21 22:21:43,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:21:43,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:21:43,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:21:43,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-21 22:21:43,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:21:44,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:21:44,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:21:44,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-21 22:21:44,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:21:44,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:21:44,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:21:44,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-21 22:21:44,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:21:44,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:21:44,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:21:44,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-21 22:21:44,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:21:44,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:21:44,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:21:44,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-21 22:21:44,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:21:44,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:21:44,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:21:44,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-21 22:21:44,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:21:44,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:21:44,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:21:44,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-21 22:21:44,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:21:44,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:21:44,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:21:44,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-21 22:21:44,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:21:44,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-11-21 22:21:44,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:21:44,312 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2023-11-21 22:21:44,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:21:44,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830007042] [2023-11-21 22:21:44,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830007042] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:21:44,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:21:44,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-21 22:21:44,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928572717] [2023-11-21 22:21:44,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:21:44,321 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-21 22:21:44,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:21:44,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 22:21:44,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-21 22:21:44,358 INFO L87 Difference]: Start difference. First operand has 1706 states, 1041 states have (on average 1.2910662824207493) internal successors, (1344), 1059 states have internal predecessors, (1344), 553 states have call successors, (553), 112 states have call predecessors, (553), 111 states have return successors, (546), 541 states have call predecessors, (546), 546 states have call successors, (546) Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-11-21 22:21:48,443 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 [] [2023-11-21 22:21:55,888 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:21:59,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:21:59,081 INFO L93 Difference]: Finished difference Result 5193 states and 7526 transitions. [2023-11-21 22:21:59,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-21 22:21:59,084 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 127 [2023-11-21 22:21:59,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:21:59,156 INFO L225 Difference]: With dead ends: 5193 [2023-11-21 22:21:59,156 INFO L226 Difference]: Without dead ends: 3498 [2023-11-21 22:21:59,177 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-21 22:21:59,182 INFO L413 NwaCegarLoop]: 1489 mSDtfsCounter, 3114 mSDsluCounter, 1804 mSDsCounter, 0 mSdLazyCounter, 2779 mSolverCounterSat, 1652 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3599 SdHoareTripleChecker+Valid, 3293 SdHoareTripleChecker+Invalid, 4432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1652 IncrementalHoareTripleChecker+Valid, 2779 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.0s IncrementalHoareTripleChecker+Time [2023-11-21 22:21:59,183 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3599 Valid, 3293 Invalid, 4432 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1652 Valid, 2779 Invalid, 1 Unknown, 0 Unchecked, 14.0s Time] [2023-11-21 22:21:59,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3498 states. [2023-11-21 22:21:59,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3498 to 3320. [2023-11-21 22:21:59,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3320 states, 2036 states have (on average 1.288310412573674) internal successors, (2623), 2072 states have internal predecessors, (2623), 1064 states have call successors, (1064), 220 states have call predecessors, (1064), 219 states have return successors, (1061), 1051 states have call predecessors, (1061), 1061 states have call successors, (1061) [2023-11-21 22:21:59,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3320 states to 3320 states and 4748 transitions. [2023-11-21 22:21:59,624 INFO L78 Accepts]: Start accepts. Automaton has 3320 states and 4748 transitions. Word has length 127 [2023-11-21 22:21:59,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:21:59,625 INFO L495 AbstractCegarLoop]: Abstraction has 3320 states and 4748 transitions. [2023-11-21 22:21:59,626 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-11-21 22:21:59,626 INFO L276 IsEmpty]: Start isEmpty. Operand 3320 states and 4748 transitions. [2023-11-21 22:21:59,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-11-21 22:21:59,656 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:21:59,656 INFO L195 NwaCegarLoop]: trace histogram [15, 11, 11, 11, 11, 11, 11, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:21:59,656 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 22:21:59,657 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:21:59,657 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:21:59,658 INFO L85 PathProgramCache]: Analyzing trace with hash 220714602, now seen corresponding path program 1 times [2023-11-21 22:21:59,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:21:59,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204635170] [2023-11-21 22:21:59,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:21:59,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:21:59,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:00,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:22:00,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:00,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:22:00,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:00,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-21 22:22:00,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:00,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:22:00,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:00,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-21 22:22:00,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:00,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:22:00,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:00,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-21 22:22:00,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:00,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:22:00,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:00,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-21 22:22:00,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:00,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:22:00,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:00,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-21 22:22:00,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:00,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:22:00,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:00,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-21 22:22:00,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:00,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:22:00,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:00,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-21 22:22:00,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:00,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:22:00,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:00,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-21 22:22:00,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:00,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:22:00,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:00,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-21 22:22:00,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:00,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:22:00,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:00,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-21 22:22:00,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:00,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:22:00,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:00,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-21 22:22:00,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:00,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-21 22:22:01,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:01,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-21 22:22:01,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:01,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-21 22:22:01,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:01,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-21 22:22:01,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:01,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:22:01,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:01,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-11-21 22:22:01,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:01,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-11-21 22:22:01,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:01,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-11-21 22:22:01,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:01,167 INFO L134 CoverageAnalysis]: Checked inductivity of 563 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 563 trivial. 0 not checked. [2023-11-21 22:22:01,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:22:01,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204635170] [2023-11-21 22:22:01,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204635170] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:22:01,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:22:01,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-21 22:22:01,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758989464] [2023-11-21 22:22:01,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:22:01,175 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 22:22:01,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:22:01,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 22:22:01,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-21 22:22:01,181 INFO L87 Difference]: Start difference. First operand 3320 states and 4748 transitions. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20)