./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 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_62d6b1da-fa44-4eca-b84b-455da64a6c79/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62d6b1da-fa44-4eca-b84b-455da64a6c79/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62d6b1da-fa44-4eca-b84b-455da64a6c79/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62d6b1da-fa44-4eca-b84b-455da64a6c79/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62d6b1da-fa44-4eca-b84b-455da64a6c79/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62d6b1da-fa44-4eca-b84b-455da64a6c79/bin/utaipan-verify-NcY6lQBIFX --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 079fce486bad33abab391a672044e04aae9233622e9697c4aac88598201cd13f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:43:16,323 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:43:16,454 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62d6b1da-fa44-4eca-b84b-455da64a6c79/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-12 00:43:16,465 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:43:16,466 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:43:16,514 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:43:16,515 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:43:16,515 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:43:16,517 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:43:16,523 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:43:16,523 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:43:16,525 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:43:16,525 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:43:16,528 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:43:16,528 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:43:16,529 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:43:16,529 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:43:16,529 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:43:16,530 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:43:16,530 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:43:16,531 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:43:16,532 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:43:16,535 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:43:16,535 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:43:16,536 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:43:16,536 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:43:16,536 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:43:16,537 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:43:16,537 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:43:16,538 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:43:16,539 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:43:16,540 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:43:16,540 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:43:16,540 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:43:16,541 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:43:16,541 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:43:16,541 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:43:16,541 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:43:16,542 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:43:16,542 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:43:16,542 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:43:16,542 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:43:16,543 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_62d6b1da-fa44-4eca-b84b-455da64a6c79/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62d6b1da-fa44-4eca-b84b-455da64a6c79/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 079fce486bad33abab391a672044e04aae9233622e9697c4aac88598201cd13f [2023-11-12 00:43:16,850 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:43:16,900 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:43:16,903 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:43:16,905 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:43:16,905 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:43:16,907 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62d6b1da-fa44-4eca-b84b-455da64a6c79/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i [2023-11-12 00:43:20,387 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:43:21,382 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:43:21,384 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62d6b1da-fa44-4eca-b84b-455da64a6c79/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i [2023-11-12 00:43:21,487 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62d6b1da-fa44-4eca-b84b-455da64a6c79/bin/utaipan-verify-NcY6lQBIFX/data/138d091d2/62ff838521b34b43b3ba129b22fa03c3/FLAG695732341 [2023-11-12 00:43:21,509 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62d6b1da-fa44-4eca-b84b-455da64a6c79/bin/utaipan-verify-NcY6lQBIFX/data/138d091d2/62ff838521b34b43b3ba129b22fa03c3 [2023-11-12 00:43:21,516 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:43:21,518 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:43:21,522 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:43:21,523 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:43:21,529 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:43:21,531 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:43:21" (1/1) ... [2023-11-12 00:43:21,532 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b4ed4d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:21, skipping insertion in model container [2023-11-12 00:43:21,532 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:43:21" (1/1) ... [2023-11-12 00:43:21,829 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:43:25,912 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_62d6b1da-fa44-4eca-b84b-455da64a6c79/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i[423587,423600] [2023-11-12 00:43:25,917 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_62d6b1da-fa44-4eca-b84b-455da64a6c79/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i[423734,423747] [2023-11-12 00:43:25,918 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_62d6b1da-fa44-4eca-b84b-455da64a6c79/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i[423873,423886] [2023-11-12 00:43:25,919 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_62d6b1da-fa44-4eca-b84b-455da64a6c79/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i[424031,424044] [2023-11-12 00:43:25,956 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:43:26,114 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:43:26,268 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"); [5379] [2023-11-12 00:43:26,270 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)); [5386] [2023-11-12 00:43:26,271 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5393] [2023-11-12 00:43:26,274 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/a068ef8/linux-usb-dev/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [5438-5439] [2023-11-12 00:43:26,274 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"); [5444-5446] [2023-11-12 00:43:26,275 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/a068ef8/linux-usb-dev/lkbce/arch/x86/include/asm/paravirt.h"), "i" (809), "i" (12UL)); [5471-5472] [2023-11-12 00:43:26,276 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"); [5477-5479] [2023-11-12 00:43:26,277 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/a068ef8/linux-usb-dev/lkbce/arch/x86/include/asm/paravirt.h"), "i" (814), "i" (12UL)); [5503-5504] [2023-11-12 00:43:26,277 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"); [5509-5511] [2023-11-12 00:43:26,287 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)); [5734-5735] [2023-11-12 00:43:26,289 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)); [5768-5769] [2023-11-12 00:43:26,291 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" (103), "i" (12UL)); [5805-5806] [2023-11-12 00:43:26,292 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" (115), "i" (12UL)); [5842-5843] [2023-11-12 00:43:26,682 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 *)"drivers/net/ethernet/3com/3c59x.c"), "i" (3233), "i" (12UL)); [11506-11507] [2023-11-12 00:43:26,793 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_62d6b1da-fa44-4eca-b84b-455da64a6c79/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i[423587,423600] [2023-11-12 00:43:26,794 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_62d6b1da-fa44-4eca-b84b-455da64a6c79/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i[423734,423747] [2023-11-12 00:43:26,795 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_62d6b1da-fa44-4eca-b84b-455da64a6c79/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i[423873,423886] [2023-11-12 00:43:26,796 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_62d6b1da-fa44-4eca-b84b-455da64a6c79/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i[424031,424044] [2023-11-12 00:43:26,815 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:43:27,276 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:43:27,277 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:27 WrapperNode [2023-11-12 00:43:27,277 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:43:27,279 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:43:27,279 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:43:27,279 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:43:27,288 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:27" (1/1) ... [2023-11-12 00:43:27,490 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:27" (1/1) ... [2023-11-12 00:43:27,888 INFO L138 Inliner]: procedures = 447, calls = 4270, calls flagged for inlining = 247, calls inlined = 238, statements flattened = 9965 [2023-11-12 00:43:27,889 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:43:27,890 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:43:27,890 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:43:27,890 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:43:27,903 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:27" (1/1) ... [2023-11-12 00:43:27,903 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:27" (1/1) ... [2023-11-12 00:43:27,965 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:27" (1/1) ... [2023-11-12 00:43:27,966 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:27" (1/1) ... [2023-11-12 00:43:28,279 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:27" (1/1) ... [2023-11-12 00:43:28,324 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:27" (1/1) ... [2023-11-12 00:43:28,364 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:27" (1/1) ... [2023-11-12 00:43:28,398 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:27" (1/1) ... [2023-11-12 00:43:28,568 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:43:28,570 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:43:28,570 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:43:28,570 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:43:28,571 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:27" (1/1) ... [2023-11-12 00:43:28,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:43:28,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62d6b1da-fa44-4eca-b84b-455da64a6c79/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:43:28,614 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62d6b1da-fa44-4eca-b84b-455da64a6c79/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:43:28,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62d6b1da-fa44-4eca-b84b-455da64a6c79/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:43:28,672 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-12 00:43:28,673 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-12 00:43:28,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-12 00:43:28,673 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-12 00:43:28,673 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-11-12 00:43:28,674 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-11-12 00:43:28,674 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2023-11-12 00:43:28,674 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2023-11-12 00:43:28,674 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_nway_reset [2023-11-12 00:43:28,675 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_nway_reset [2023-11-12 00:43:28,675 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-12 00:43:28,675 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-12 00:43:28,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 00:43:28,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 00:43:28,676 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-12 00:43:28,676 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-12 00:43:28,676 INFO L130 BoogieDeclarations]: Found specification of procedure set_8021q_mode [2023-11-12 00:43:28,676 INFO L138 BoogieDeclarations]: Found implementation of procedure set_8021q_mode [2023-11-12 00:43:28,677 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_remove_one [2023-11-12 00:43:28,677 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_remove_one [2023-11-12 00:43:28,677 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2023-11-12 00:43:28,677 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2023-11-12 00:43:28,677 INFO L130 BoogieDeclarations]: Found specification of procedure issue_and_wait [2023-11-12 00:43:28,678 INFO L138 BoogieDeclarations]: Found implementation of procedure issue_and_wait [2023-11-12 00:43:28,678 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-12 00:43:28,678 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-12 00:43:28,678 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2023-11-12 00:43:28,679 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2023-11-12 00:43:28,679 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2023-11-12 00:43:28,679 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2023-11-12 00:43:28,679 INFO L130 BoogieDeclarations]: Found specification of procedure window_write32 [2023-11-12 00:43:28,679 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write32 [2023-11-12 00:43:28,680 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2023-11-12 00:43:28,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2023-11-12 00:43:28,680 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-12 00:43:28,680 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-12 00:43:28,680 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-12 00:43:28,681 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-12 00:43:28,681 INFO L130 BoogieDeclarations]: Found specification of procedure window_set [2023-11-12 00:43:28,681 INFO L138 BoogieDeclarations]: Found implementation of procedure window_set [2023-11-12 00:43:28,681 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-12 00:43:28,682 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-12 00:43:28,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-12 00:43:28,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-12 00:43:28,682 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-12 00:43:28,682 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-12 00:43:28,683 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2023-11-12 00:43:28,683 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2023-11-12 00:43:28,683 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-12 00:43:28,683 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-12 00:43:28,684 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2023-11-12 00:43:28,684 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2023-11-12 00:43:28,684 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-12 00:43:28,684 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-12 00:43:28,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-12 00:43:28,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-12 00:43:28,685 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2023-11-12 00:43:28,685 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2023-11-12 00:43:28,685 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-12 00:43:28,686 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-12 00:43:28,686 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-12 00:43:28,686 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-12 00:43:28,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:43:28,687 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tx_timestamp [2023-11-12 00:43:28,687 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tx_timestamp [2023-11-12 00:43:28,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2023-11-12 00:43:28,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2023-11-12 00:43:28,687 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-12 00:43:28,688 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-12 00:43:28,688 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-12 00:43:28,688 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-12 00:43:28,688 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2023-11-12 00:43:28,689 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2023-11-12 00:43:28,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-12 00:43:28,689 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_tx_timeout [2023-11-12 00:43:28,689 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_tx_timeout [2023-11-12 00:43:28,689 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2023-11-12 00:43:28,690 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2023-11-12 00:43:28,690 INFO L130 BoogieDeclarations]: Found specification of procedure ioport_map [2023-11-12 00:43:28,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ioport_map [2023-11-12 00:43:28,690 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-12 00:43:28,690 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-12 00:43:28,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2023-11-12 00:43:28,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2023-11-12 00:43:28,691 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-12 00:43:28,691 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-12 00:43:28,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 00:43:28,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-12 00:43:28,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-12 00:43:28,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:43:28,692 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_interrupt [2023-11-12 00:43:28,693 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_interrupt [2023-11-12 00:43:28,693 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2023-11-12 00:43:28,693 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2023-11-12 00:43:28,693 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-12 00:43:28,693 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-12 00:43:28,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-12 00:43:28,694 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-12 00:43:28,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-12 00:43:28,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-12 00:43:28,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-12 00:43:28,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-12 00:43:28,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-12 00:43:28,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-12 00:43:28,695 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_set_duplex [2023-11-12 00:43:28,696 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_set_duplex [2023-11-12 00:43:28,696 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2023-11-12 00:43:28,696 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2023-11-12 00:43:28,696 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2023-11-12 00:43:28,697 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2023-11-12 00:43:28,697 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-12 00:43:28,697 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-12 00:43:28,697 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_error [2023-11-12 00:43:28,697 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_error [2023-11-12 00:43:28,698 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-12 00:43:28,698 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-12 00:43:28,698 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_close [2023-11-12 00:43:28,698 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_close [2023-11-12 00:43:28,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 00:43:28,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-12 00:43:28,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-12 00:43:28,699 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2023-11-12 00:43:28,699 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2023-11-12 00:43:28,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-12 00:43:28,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-12 00:43:28,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2023-11-12 00:43:28,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2023-11-12 00:43:28,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2023-11-12 00:43:28,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2023-11-12 00:43:28,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2023-11-12 00:43:28,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2023-11-12 00:43:28,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:43:28,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-12 00:43:28,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-12 00:43:28,702 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-12 00:43:28,702 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-12 00:43:28,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 00:43:28,703 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2023-11-12 00:43:28,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2023-11-12 00:43:28,703 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 00:43:28,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 00:43:28,703 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-11-12 00:43:28,704 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-11-12 00:43:28,704 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-12 00:43:28,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-12 00:43:28,704 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_set_WOL [2023-11-12 00:43:28,704 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_set_WOL [2023-11-12 00:43:28,705 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-12 00:43:28,705 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-12 00:43:28,705 INFO L130 BoogieDeclarations]: Found specification of procedure window_write16 [2023-11-12 00:43:28,705 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write16 [2023-11-12 00:43:28,705 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2023-11-12 00:43:28,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2023-11-12 00:43:28,706 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-12 00:43:28,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-12 00:43:28,706 INFO L130 BoogieDeclarations]: Found specification of procedure window_read8 [2023-11-12 00:43:28,706 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read8 [2023-11-12 00:43:28,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_vortex_cleanup_16_2 [2023-11-12 00:43:28,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_vortex_cleanup_16_2 [2023-11-12 00:43:28,707 INFO L130 BoogieDeclarations]: Found specification of procedure update_stats [2023-11-12 00:43:28,707 INFO L138 BoogieDeclarations]: Found implementation of procedure update_stats [2023-11-12 00:43:28,707 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-12 00:43:28,707 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-12 00:43:28,708 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-12 00:43:28,708 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-12 00:43:28,708 INFO L130 BoogieDeclarations]: Found specification of procedure poll_vortex [2023-11-12 00:43:28,708 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_vortex [2023-11-12 00:43:28,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-12 00:43:28,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-12 00:43:28,709 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_check_media [2023-11-12 00:43:28,709 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_check_media [2023-11-12 00:43:28,709 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2023-11-12 00:43:28,709 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2023-11-12 00:43:28,709 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_rx [2023-11-12 00:43:28,710 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_rx [2023-11-12 00:43:28,710 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2023-11-12 00:43:28,710 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2023-11-12 00:43:28,710 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_open [2023-11-12 00:43:28,710 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_open [2023-11-12 00:43:28,711 INFO L130 BoogieDeclarations]: Found specification of procedure dump_tx_ring [2023-11-12 00:43:28,711 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_tx_ring [2023-11-12 00:43:28,711 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2023-11-12 00:43:28,711 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2023-11-12 00:43:28,711 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:43:28,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:43:28,712 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2023-11-12 00:43:28,712 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2023-11-12 00:43:28,712 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_probe1 [2023-11-12 00:43:28,712 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_probe1 [2023-11-12 00:43:28,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-12 00:43:28,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-12 00:43:28,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-12 00:43:28,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-12 00:43:28,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-12 00:43:28,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-12 00:43:28,714 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2023-11-12 00:43:28,714 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2023-11-12 00:43:28,714 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-12 00:43:28,714 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-12 00:43:28,715 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-12 00:43:28,715 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-12 00:43:28,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2023-11-12 00:43:28,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2023-11-12 00:43:28,715 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-12 00:43:28,716 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-12 00:43:28,716 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2023-11-12 00:43:28,716 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2023-11-12 00:43:28,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:43:28,716 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2023-11-12 00:43:28,717 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2023-11-12 00:43:28,717 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-12 00:43:28,717 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-12 00:43:28,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2023-11-12 00:43:28,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2023-11-12 00:43:28,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 00:43:28,718 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_suspend [2023-11-12 00:43:28,718 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_suspend [2023-11-12 00:43:28,718 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_interrupt [2023-11-12 00:43:28,718 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_interrupt [2023-11-12 00:43:28,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 00:43:28,719 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-12 00:43:28,719 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-12 00:43:28,719 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-12 00:43:28,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-12 00:43:28,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2023-11-12 00:43:28,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2023-11-12 00:43:28,720 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-12 00:43:28,720 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-12 00:43:28,720 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-12 00:43:28,720 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-12 00:43:28,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-12 00:43:28,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-12 00:43:28,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-12 00:43:28,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-12 00:43:28,721 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2023-11-12 00:43:28,721 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2023-11-12 00:43:28,721 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_sync [2023-11-12 00:43:28,722 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_sync [2023-11-12 00:43:28,722 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_resume [2023-11-12 00:43:28,722 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_resume [2023-11-12 00:43:28,722 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2023-11-12 00:43:28,722 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2023-11-12 00:43:28,723 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-11-12 00:43:28,723 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-11-12 00:43:28,723 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_rx [2023-11-12 00:43:28,723 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_rx [2023-11-12 00:43:28,723 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-12 00:43:28,723 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-12 00:43:28,724 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-12 00:43:28,724 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-12 00:43:28,724 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-11-12 00:43:28,724 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-11-12 00:43:28,724 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-12 00:43:28,724 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-12 00:43:28,725 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_delay [2023-11-12 00:43:28,725 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_delay [2023-11-12 00:43:28,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:43:28,725 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2023-11-12 00:43:28,725 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2023-11-12 00:43:28,726 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_down [2023-11-12 00:43:28,726 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_down [2023-11-12 00:43:28,726 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2023-11-12 00:43:28,726 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2023-11-12 00:43:28,726 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-11-12 00:43:28,726 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-11-12 00:43:28,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 00:43:28,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 00:43:28,727 INFO L130 BoogieDeclarations]: Found specification of procedure window_write8 [2023-11-12 00:43:28,727 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write8 [2023-11-12 00:43:28,727 INFO L130 BoogieDeclarations]: Found specification of procedure window_read32 [2023-11-12 00:43:28,728 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read32 [2023-11-12 00:43:28,728 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2023-11-12 00:43:28,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2023-11-12 00:43:28,728 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32_rep [2023-11-12 00:43:28,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32_rep [2023-11-12 00:43:28,728 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2023-11-12 00:43:28,729 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2023-11-12 00:43:28,729 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_up [2023-11-12 00:43:28,729 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_up [2023-11-12 00:43:28,729 INFO L130 BoogieDeclarations]: Found specification of procedure window_read16 [2023-11-12 00:43:28,729 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read16 [2023-11-12 00:43:28,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-12 00:43:28,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-12 00:43:28,730 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2023-11-12 00:43:28,730 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2023-11-12 00:43:28,730 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2023-11-12 00:43:28,730 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2023-11-12 00:43:28,730 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-12 00:43:28,731 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-12 00:43:28,731 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-12 00:43:28,731 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-12 00:43:28,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:43:28,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-12 00:43:28,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-12 00:43:28,732 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2023-11-12 00:43:28,732 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2023-11-12 00:43:29,981 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:43:29,989 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:43:31,843 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-12 00:43:40,556 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-12 00:43:40,739 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:43:46,934 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:43:46,934 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-12 00:43:46,946 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:43:46 BoogieIcfgContainer [2023-11-12 00:43:46,946 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:43:46,951 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:43:46,951 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:43:46,956 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:43:46,956 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:43:21" (1/3) ... [2023-11-12 00:43:46,957 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ed4a6f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:43:46, skipping insertion in model container [2023-11-12 00:43:46,958 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:27" (2/3) ... [2023-11-12 00:43:46,959 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ed4a6f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:43:46, skipping insertion in model container [2023-11-12 00:43:46,959 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:43:46" (3/3) ... [2023-11-12 00:43:46,961 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i [2023-11-12 00:43:46,984 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:43:46,984 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-12 00:43:47,253 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:43:47,266 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@13f501a0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:43:47,266 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-12 00:43:47,286 INFO L276 IsEmpty]: Start isEmpty. Operand has 2498 states, 1507 states have (on average 1.3397478433974785) internal successors, (2019), 1577 states have internal predecessors, (2019), 850 states have call successors, (850), 140 states have call predecessors, (850), 139 states have return successors, (841), 826 states have call predecessors, (841), 841 states have call successors, (841) [2023-11-12 00:43:47,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2023-11-12 00:43:47,332 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:43:47,333 INFO L195 NwaCegarLoop]: trace histogram [18, 17, 17, 17, 17, 17, 17, 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, 1, 1, 1, 1, 1] [2023-11-12 00:43:47,334 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:43:47,341 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:43:47,342 INFO L85 PathProgramCache]: Analyzing trace with hash -1297272065, now seen corresponding path program 1 times [2023-11-12 00:43:47,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:43:47,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947997549] [2023-11-12 00:43:47,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:43:47,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:43:48,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:43:49,297 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1122 trivial. 0 not checked. [2023-11-12 00:43:49,298 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:43:49,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947997549] [2023-11-12 00:43:49,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [947997549] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:43:49,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:43:49,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:43:49,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060528181] [2023-11-12 00:43:49,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:43:49,316 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:43:49,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:43:49,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:43:49,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:43:49,369 INFO L87 Difference]: Start difference. First operand has 2498 states, 1507 states have (on average 1.3397478433974785) internal successors, (2019), 1577 states have internal predecessors, (2019), 850 states have call successors, (850), 140 states have call predecessors, (850), 139 states have return successors, (841), 826 states have call predecessors, (841), 841 states have call successors, (841) Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2023-11-12 00:43:54,146 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:43:56,348 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:43:58,583 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:43:59,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:43:59,207 INFO L93 Difference]: Finished difference Result 7334 states and 10919 transitions. [2023-11-12 00:43:59,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:43:59,211 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 191 [2023-11-12 00:43:59,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:43:59,311 INFO L225 Difference]: With dead ends: 7334 [2023-11-12 00:43:59,311 INFO L226 Difference]: Without dead ends: 4854 [2023-11-12 00:43:59,345 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:43:59,350 INFO L413 NwaCegarLoop]: 3238 mSDtfsCounter, 3572 mSDsluCounter, 3186 mSDsCounter, 0 mSdLazyCounter, 959 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3572 SdHoareTripleChecker+Valid, 6424 SdHoareTripleChecker+Invalid, 968 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 959 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2023-11-12 00:43:59,353 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3572 Valid, 6424 Invalid, 968 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 959 Invalid, 2 Unknown, 0 Unchecked, 9.2s Time] [2023-11-12 00:43:59,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4854 states. [2023-11-12 00:43:59,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4854 to 4852. [2023-11-12 00:43:59,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4852 states, 2940 states have (on average 1.336734693877551) internal successors, (3930), 3079 states have internal predecessors, (3930), 1635 states have call successors, (1635), 276 states have call predecessors, (1635), 275 states have return successors, (1632), 1602 states have call predecessors, (1632), 1632 states have call successors, (1632) [2023-11-12 00:43:59,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4852 states to 4852 states and 7197 transitions. [2023-11-12 00:43:59,985 INFO L78 Accepts]: Start accepts. Automaton has 4852 states and 7197 transitions. Word has length 191 [2023-11-12 00:43:59,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:43:59,992 INFO L495 AbstractCegarLoop]: Abstraction has 4852 states and 7197 transitions. [2023-11-12 00:43:59,992 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2023-11-12 00:43:59,992 INFO L276 IsEmpty]: Start isEmpty. Operand 4852 states and 7197 transitions. [2023-11-12 00:44:00,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2023-11-12 00:44:00,020 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:44:00,021 INFO L195 NwaCegarLoop]: trace histogram [18, 17, 17, 17, 17, 17, 17, 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, 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] [2023-11-12 00:44:00,021 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 00:44:00,027 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:44:00,027 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:44:00,028 INFO L85 PathProgramCache]: Analyzing trace with hash 1584034416, now seen corresponding path program 1 times [2023-11-12 00:44:00,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:44:00,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018085358] [2023-11-12 00:44:00,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:44:00,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:44:00,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:44:01,526 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1122 trivial. 0 not checked. [2023-11-12 00:44:01,527 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:44:01,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018085358] [2023-11-12 00:44:01,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018085358] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:44:01,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:44:01,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:44:01,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745016470] [2023-11-12 00:44:01,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:44:01,534 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:44:01,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:44:01,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:44:01,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:44:01,537 INFO L87 Difference]: Start difference. First operand 4852 states and 7197 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22)