./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dae023f-e786-49af-844f-e16065221e35/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dae023f-e786-49af-844f-e16065221e35/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_2dae023f-e786-49af-844f-e16065221e35/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dae023f-e786-49af-844f-e16065221e35/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dae023f-e786-49af-844f-e16065221e35/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_2dae023f-e786-49af-844f-e16065221e35/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 5918e2cb9aded5213ccd497319a252a597f09d9a74a83e549234325009250b56 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:52:53,379 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:52:53,492 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dae023f-e786-49af-844f-e16065221e35/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-12 00:52:53,499 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:52:53,500 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:52:53,538 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:52:53,538 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:52:53,539 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:52:53,540 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:52:53,545 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:52:53,546 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:52:53,546 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:52:53,547 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:52:53,548 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:52:53,549 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:52:53,549 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:52:53,550 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:52:53,550 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:52:53,551 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:52:53,551 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:52:53,552 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:52:53,552 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:52:53,553 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:52:53,554 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:52:53,554 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:52:53,555 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:52:53,555 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:52:53,555 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:52:53,556 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:52:53,556 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:52:53,558 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:52:53,558 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:52:53,558 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:52:53,558 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:52:53,559 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:52:53,559 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:52:53,559 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:52:53,559 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:52:53,560 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:52:53,560 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:52:53,560 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:52:53,560 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:52:53,561 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_2dae023f-e786-49af-844f-e16065221e35/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dae023f-e786-49af-844f-e16065221e35/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5918e2cb9aded5213ccd497319a252a597f09d9a74a83e549234325009250b56 [2023-11-12 00:52:53,880 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:52:53,913 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:52:53,916 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:52:53,917 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:52:53,917 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:52:53,919 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dae023f-e786-49af-844f-e16065221e35/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i [2023-11-12 00:52:57,017 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:52:57,765 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:52:57,767 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dae023f-e786-49af-844f-e16065221e35/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i [2023-11-12 00:52:57,851 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dae023f-e786-49af-844f-e16065221e35/bin/utaipan-verify-NcY6lQBIFX/data/2e9098d5b/69a5465d2ccf427fa5ab197b74750199/FLAG8a9473a1e [2023-11-12 00:52:57,868 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dae023f-e786-49af-844f-e16065221e35/bin/utaipan-verify-NcY6lQBIFX/data/2e9098d5b/69a5465d2ccf427fa5ab197b74750199 [2023-11-12 00:52:57,874 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:52:57,876 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:52:57,879 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:52:57,879 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:52:57,884 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:52:57,885 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:52:57" (1/1) ... [2023-11-12 00:52:57,886 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5979eb38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:57, skipping insertion in model container [2023-11-12 00:52:57,886 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:52:57" (1/1) ... [2023-11-12 00:52:58,095 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:53:01,656 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_2dae023f-e786-49af-844f-e16065221e35/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i[411224,411237] [2023-11-12 00:53:01,661 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_2dae023f-e786-49af-844f-e16065221e35/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i[411371,411384] [2023-11-12 00:53:01,662 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_2dae023f-e786-49af-844f-e16065221e35/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i[411510,411523] [2023-11-12 00:53:01,662 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_2dae023f-e786-49af-844f-e16065221e35/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i[411668,411681] [2023-11-12 00:53:01,692 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:53:01,777 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:53:01,939 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"); [5405] [2023-11-12 00:53:01,941 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)); [5412] [2023-11-12 00:53:01,942 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5419] [2023-11-12 00:53:01,945 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/7cdfae59d3ac602223400f61d8829e28/klever-core-work-dir/8d0c6a3/linux-usb-dev/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [5464-5465] [2023-11-12 00:53:01,946 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"); [5470-5472] [2023-11-12 00:53:01,947 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/7cdfae59d3ac602223400f61d8829e28/klever-core-work-dir/8d0c6a3/linux-usb-dev/lkbce/arch/x86/include/asm/paravirt.h"), "i" (809), "i" (12UL)); [5497-5498] [2023-11-12 00:53:01,948 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"); [5503-5505] [2023-11-12 00:53:01,949 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/7cdfae59d3ac602223400f61d8829e28/klever-core-work-dir/8d0c6a3/linux-usb-dev/lkbce/arch/x86/include/asm/paravirt.h"), "i" (814), "i" (12UL)); [5529-5530] [2023-11-12 00:53:01,949 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"); [5535-5537] [2023-11-12 00:53:01,959 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)); [5760-5761] [2023-11-12 00:53:01,962 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)); [5794-5795] [2023-11-12 00:53:01,964 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)); [5831-5832] [2023-11-12 00:53:01,965 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)); [5868-5869] [2023-11-12 00:53:02,321 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)); [11532-11533] [2023-11-12 00:53:02,405 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_2dae023f-e786-49af-844f-e16065221e35/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i[411224,411237] [2023-11-12 00:53:02,406 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_2dae023f-e786-49af-844f-e16065221e35/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i[411371,411384] [2023-11-12 00:53:02,407 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_2dae023f-e786-49af-844f-e16065221e35/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i[411510,411523] [2023-11-12 00:53:02,407 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_2dae023f-e786-49af-844f-e16065221e35/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i[411668,411681] [2023-11-12 00:53:02,423 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:53:02,848 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:53:02,849 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:02 WrapperNode [2023-11-12 00:53:02,849 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:53:02,850 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:53:02,850 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:53:02,850 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:53:02,857 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:02" (1/1) ... [2023-11-12 00:53:03,016 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:02" (1/1) ... [2023-11-12 00:53:03,332 INFO L138 Inliner]: procedures = 428, calls = 4223, calls flagged for inlining = 225, calls inlined = 216, statements flattened = 9583 [2023-11-12 00:53:03,333 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:53:03,333 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:53:03,333 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:53:03,333 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:53:03,343 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:02" (1/1) ... [2023-11-12 00:53:03,343 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:02" (1/1) ... [2023-11-12 00:53:03,409 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:02" (1/1) ... [2023-11-12 00:53:03,409 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:02" (1/1) ... [2023-11-12 00:53:03,606 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:02" (1/1) ... [2023-11-12 00:53:03,764 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:02" (1/1) ... [2023-11-12 00:53:03,805 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:02" (1/1) ... [2023-11-12 00:53:03,841 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:02" (1/1) ... [2023-11-12 00:53:04,014 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:53:04,015 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:53:04,016 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:53:04,016 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:53:04,017 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:02" (1/1) ... [2023-11-12 00:53:04,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:53:04,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dae023f-e786-49af-844f-e16065221e35/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:53:04,051 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dae023f-e786-49af-844f-e16065221e35/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:53:04,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dae023f-e786-49af-844f-e16065221e35/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:53:04,104 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-12 00:53:04,104 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-12 00:53:04,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-12 00:53:04,105 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-12 00:53:04,105 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-11-12 00:53:04,105 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-11-12 00:53:04,105 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2023-11-12 00:53:04,106 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2023-11-12 00:53:04,108 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_nway_reset [2023-11-12 00:53:04,108 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_nway_reset [2023-11-12 00:53:04,108 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-12 00:53:04,109 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-12 00:53:04,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 00:53:04,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 00:53:04,110 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-12 00:53:04,110 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-12 00:53:04,110 INFO L130 BoogieDeclarations]: Found specification of procedure set_8021q_mode [2023-11-12 00:53:04,110 INFO L138 BoogieDeclarations]: Found implementation of procedure set_8021q_mode [2023-11-12 00:53:04,110 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_remove_one [2023-11-12 00:53:04,110 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_remove_one [2023-11-12 00:53:04,111 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2023-11-12 00:53:04,111 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2023-11-12 00:53:04,111 INFO L130 BoogieDeclarations]: Found specification of procedure issue_and_wait [2023-11-12 00:53:04,111 INFO L138 BoogieDeclarations]: Found implementation of procedure issue_and_wait [2023-11-12 00:53:04,111 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-12 00:53:04,111 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-12 00:53:04,112 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2023-11-12 00:53:04,112 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2023-11-12 00:53:04,112 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2023-11-12 00:53:04,112 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2023-11-12 00:53:04,112 INFO L130 BoogieDeclarations]: Found specification of procedure window_write32 [2023-11-12 00:53:04,112 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write32 [2023-11-12 00:53:04,113 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2023-11-12 00:53:04,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2023-11-12 00:53:04,113 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-12 00:53:04,113 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-12 00:53:04,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_5 [2023-11-12 00:53:04,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_5 [2023-11-12 00:53:04,114 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-12 00:53:04,114 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-12 00:53:04,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_27 [2023-11-12 00:53:04,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_27 [2023-11-12 00:53:04,114 INFO L130 BoogieDeclarations]: Found specification of procedure window_set [2023-11-12 00:53:04,115 INFO L138 BoogieDeclarations]: Found implementation of procedure window_set [2023-11-12 00:53:04,115 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-12 00:53:04,116 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-12 00:53:04,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-12 00:53:04,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-12 00:53:04,117 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-12 00:53:04,117 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-12 00:53:04,117 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2023-11-12 00:53:04,117 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2023-11-12 00:53:04,117 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-12 00:53:04,118 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-12 00:53:04,118 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2023-11-12 00:53:04,118 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2023-11-12 00:53:04,119 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-12 00:53:04,119 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-12 00:53:04,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-12 00:53:04,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-12 00:53:04,120 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2023-11-12 00:53:04,120 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2023-11-12 00:53:04,120 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-12 00:53:04,120 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-12 00:53:04,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_5_2 [2023-11-12 00:53:04,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_5_2 [2023-11-12 00:53:04,121 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-12 00:53:04,121 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-12 00:53:04,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:53:04,122 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tx_timestamp [2023-11-12 00:53:04,122 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tx_timestamp [2023-11-12 00:53:04,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2023-11-12 00:53:04,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2023-11-12 00:53:04,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_30 [2023-11-12 00:53:04,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_30 [2023-11-12 00:53:04,123 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-12 00:53:04,123 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-12 00:53:04,123 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-12 00:53:04,123 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-12 00:53:04,123 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2023-11-12 00:53:04,124 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2023-11-12 00:53:04,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-12 00:53:04,124 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_tx_timeout [2023-11-12 00:53:04,124 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_tx_timeout [2023-11-12 00:53:04,124 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2023-11-12 00:53:04,124 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2023-11-12 00:53:04,124 INFO L130 BoogieDeclarations]: Found specification of procedure ioport_map [2023-11-12 00:53:04,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ioport_map [2023-11-12 00:53:04,125 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-12 00:53:04,125 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-12 00:53:04,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2023-11-12 00:53:04,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2023-11-12 00:53:04,126 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-12 00:53:04,126 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-12 00:53:04,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 00:53:04,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-12 00:53:04,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-12 00:53:04,127 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:53:04,128 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_interrupt [2023-11-12 00:53:04,128 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_interrupt [2023-11-12 00:53:04,128 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2023-11-12 00:53:04,128 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2023-11-12 00:53:04,128 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-12 00:53:04,128 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-12 00:53:04,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-12 00:53:04,129 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-12 00:53:04,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-12 00:53:04,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-12 00:53:04,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-12 00:53:04,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-12 00:53:04,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-12 00:53:04,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-12 00:53:04,130 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_set_duplex [2023-11-12 00:53:04,130 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_set_duplex [2023-11-12 00:53:04,130 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2023-11-12 00:53:04,130 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2023-11-12 00:53:04,131 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2023-11-12 00:53:04,131 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2023-11-12 00:53:04,131 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-12 00:53:04,131 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-12 00:53:04,132 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_error [2023-11-12 00:53:04,132 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_error [2023-11-12 00:53:04,133 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-12 00:53:04,133 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-12 00:53:04,133 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_close [2023-11-12 00:53:04,133 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_close [2023-11-12 00:53:04,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 00:53:04,134 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2023-11-12 00:53:04,134 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2023-11-12 00:53:04,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2023-11-12 00:53:04,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2023-11-12 00:53:04,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:53:04,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-12 00:53:04,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-12 00:53:04,140 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-12 00:53:04,140 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-12 00:53:04,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 00:53:04,142 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2023-11-12 00:53:04,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2023-11-12 00:53:04,148 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 00:53:04,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 00:53:04,149 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-11-12 00:53:04,149 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-11-12 00:53:04,149 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-12 00:53:04,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-12 00:53:04,150 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_set_WOL [2023-11-12 00:53:04,150 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_set_WOL [2023-11-12 00:53:04,150 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-12 00:53:04,150 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-12 00:53:04,150 INFO L130 BoogieDeclarations]: Found specification of procedure window_write16 [2023-11-12 00:53:04,150 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write16 [2023-11-12 00:53:04,150 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2023-11-12 00:53:04,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2023-11-12 00:53:04,151 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-12 00:53:04,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-12 00:53:04,151 INFO L130 BoogieDeclarations]: Found specification of procedure window_read8 [2023-11-12 00:53:04,151 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read8 [2023-11-12 00:53:04,152 INFO L130 BoogieDeclarations]: Found specification of procedure update_stats [2023-11-12 00:53:04,152 INFO L138 BoogieDeclarations]: Found implementation of procedure update_stats [2023-11-12 00:53:04,152 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-12 00:53:04,152 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-12 00:53:04,152 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-12 00:53:04,153 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-12 00:53:04,153 INFO L130 BoogieDeclarations]: Found specification of procedure poll_vortex [2023-11-12 00:53:04,153 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_vortex [2023-11-12 00:53:04,153 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-12 00:53:04,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-12 00:53:04,153 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_check_media [2023-11-12 00:53:04,153 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_check_media [2023-11-12 00:53:04,154 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2023-11-12 00:53:04,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2023-11-12 00:53:04,154 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2023-11-12 00:53:04,154 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2023-11-12 00:53:04,154 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_rx [2023-11-12 00:53:04,154 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_rx [2023-11-12 00:53:04,155 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2023-11-12 00:53:04,155 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2023-11-12 00:53:04,155 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_open [2023-11-12 00:53:04,155 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_open [2023-11-12 00:53:04,155 INFO L130 BoogieDeclarations]: Found specification of procedure dump_tx_ring [2023-11-12 00:53:04,155 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_tx_ring [2023-11-12 00:53:04,155 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2023-11-12 00:53:04,156 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2023-11-12 00:53:04,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:53:04,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:53:04,156 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2023-11-12 00:53:04,156 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2023-11-12 00:53:04,156 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_probe1 [2023-11-12 00:53:04,157 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_probe1 [2023-11-12 00:53:04,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-12 00:53:04,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-12 00:53:04,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-12 00:53:04,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-12 00:53:04,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-12 00:53:04,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-12 00:53:04,158 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2023-11-12 00:53:04,158 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2023-11-12 00:53:04,158 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-12 00:53:04,158 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-12 00:53:04,158 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-12 00:53:04,158 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-12 00:53:04,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2023-11-12 00:53:04,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2023-11-12 00:53:04,159 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-12 00:53:04,159 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-12 00:53:04,159 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2023-11-12 00:53:04,159 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2023-11-12 00:53:04,159 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:53:04,160 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2023-11-12 00:53:04,160 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2023-11-12 00:53:04,160 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-12 00:53:04,160 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-12 00:53:04,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2023-11-12 00:53:04,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2023-11-12 00:53:04,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 00:53:04,161 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_suspend [2023-11-12 00:53:04,161 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_suspend [2023-11-12 00:53:04,161 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_interrupt [2023-11-12 00:53:04,161 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_interrupt [2023-11-12 00:53:04,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 00:53:04,161 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-12 00:53:04,162 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-12 00:53:04,162 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-12 00:53:04,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-12 00:53:04,162 INFO L130 BoogieDeclarations]: Found specification of procedure rx_oom_timer [2023-11-12 00:53:04,162 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_oom_timer [2023-11-12 00:53:04,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2023-11-12 00:53:04,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2023-11-12 00:53:04,163 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-12 00:53:04,163 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-12 00:53:04,163 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-12 00:53:04,163 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-12 00:53:04,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-12 00:53:04,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-12 00:53:04,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-12 00:53:04,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-12 00:53:04,164 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2023-11-12 00:53:04,164 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2023-11-12 00:53:04,164 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_sync [2023-11-12 00:53:04,164 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_sync [2023-11-12 00:53:04,165 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_resume [2023-11-12 00:53:04,165 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_resume [2023-11-12 00:53:04,165 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2023-11-12 00:53:04,165 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2023-11-12 00:53:04,165 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-11-12 00:53:04,165 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-11-12 00:53:04,166 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_rx [2023-11-12 00:53:04,166 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_rx [2023-11-12 00:53:04,166 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-12 00:53:04,166 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-12 00:53:04,166 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-12 00:53:04,166 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-12 00:53:04,166 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-11-12 00:53:04,167 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-11-12 00:53:04,167 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-12 00:53:04,167 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-12 00:53:04,168 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_delay [2023-11-12 00:53:04,168 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_delay [2023-11-12 00:53:04,168 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_timer [2023-11-12 00:53:04,168 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_timer [2023-11-12 00:53:04,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:53:04,168 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2023-11-12 00:53:04,168 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2023-11-12 00:53:04,169 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_down [2023-11-12 00:53:04,169 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_down [2023-11-12 00:53:04,169 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2023-11-12 00:53:04,169 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2023-11-12 00:53:04,169 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-11-12 00:53:04,169 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-11-12 00:53:04,169 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 00:53:04,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 00:53:04,169 INFO L130 BoogieDeclarations]: Found specification of procedure window_write8 [2023-11-12 00:53:04,169 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write8 [2023-11-12 00:53:04,169 INFO L130 BoogieDeclarations]: Found specification of procedure window_read32 [2023-11-12 00:53:04,170 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read32 [2023-11-12 00:53:04,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_10_2 [2023-11-12 00:53:04,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_10_2 [2023-11-12 00:53:04,170 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2023-11-12 00:53:04,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2023-11-12 00:53:04,170 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32_rep [2023-11-12 00:53:04,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32_rep [2023-11-12 00:53:04,170 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2023-11-12 00:53:04,170 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2023-11-12 00:53:04,170 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_up [2023-11-12 00:53:04,170 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_up [2023-11-12 00:53:04,171 INFO L130 BoogieDeclarations]: Found specification of procedure window_read16 [2023-11-12 00:53:04,171 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read16 [2023-11-12 00:53:04,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-12 00:53:04,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-12 00:53:04,171 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2023-11-12 00:53:04,171 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2023-11-12 00:53:04,171 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2023-11-12 00:53:04,171 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2023-11-12 00:53:04,171 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-12 00:53:04,171 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-12 00:53:04,171 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-12 00:53:04,171 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-12 00:53:04,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:53:04,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-12 00:53:04,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-12 00:53:04,172 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2023-11-12 00:53:04,172 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2023-11-12 00:53:05,416 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:53:05,421 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:53:07,908 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-12 00:53:16,395 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:53:22,350 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:53:22,350 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-12 00:53:22,357 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:53:22 BoogieIcfgContainer [2023-11-12 00:53:22,358 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:53:22,360 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:53:22,360 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:53:22,364 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:53:22,365 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:52:57" (1/3) ... [2023-11-12 00:53:22,365 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fcd1a07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:53:22, skipping insertion in model container [2023-11-12 00:53:22,366 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:02" (2/3) ... [2023-11-12 00:53:22,366 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fcd1a07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:53:22, skipping insertion in model container [2023-11-12 00:53:22,366 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:53:22" (3/3) ... [2023-11-12 00:53:22,368 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i [2023-11-12 00:53:22,391 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:53:22,391 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-12 00:53:22,680 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:53:22,689 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;@3b5bc80e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:53:22,689 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-12 00:53:22,705 INFO L276 IsEmpty]: Start isEmpty. Operand has 2313 states, 1361 states have (on average 1.3130051432770022) internal successors, (1787), 1448 states have internal predecessors, (1787), 807 states have call successors, (807), 143 states have call predecessors, (807), 142 states have return successors, (800), 782 states have call predecessors, (800), 800 states have call successors, (800) [2023-11-12 00:53:22,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-12 00:53:22,721 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:53:22,721 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:53:22,722 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 00:53:22,731 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:53:22,731 INFO L85 PathProgramCache]: Analyzing trace with hash -252307880, now seen corresponding path program 1 times [2023-11-12 00:53:22,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:53:22,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024633031] [2023-11-12 00:53:22,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:53:22,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:53:23,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:53:24,517 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-12 00:53:24,518 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:53:24,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024633031] [2023-11-12 00:53:24,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024633031] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:53:24,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:53:24,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 00:53:24,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482862494] [2023-11-12 00:53:24,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:53:24,534 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 00:53:24,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:53:24,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 00:53:24,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 00:53:24,584 INFO L87 Difference]: Start difference. First operand has 2313 states, 1361 states have (on average 1.3130051432770022) internal successors, (1787), 1448 states have internal predecessors, (1787), 807 states have call successors, (807), 143 states have call predecessors, (807), 142 states have return successors, (800), 782 states have call predecessors, (800), 800 states have call successors, (800) Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-12 00:53:26,524 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:53:28,532 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:53:30,754 WARN L539 Checker$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 00:53:31,811 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:53:33,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:53:33,714 INFO L93 Difference]: Finished difference Result 4602 states and 6765 transitions. [2023-11-12 00:53:33,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 00:53:33,717 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 36 [2023-11-12 00:53:33,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:53:33,756 INFO L225 Difference]: With dead ends: 4602 [2023-11-12 00:53:33,756 INFO L226 Difference]: Without dead ends: 2274 [2023-11-12 00:53:33,779 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:53:33,783 INFO L413 NwaCegarLoop]: 2999 mSDtfsCounter, 3372 mSDsluCounter, 2999 mSDsCounter, 0 mSdLazyCounter, 772 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3372 SdHoareTripleChecker+Valid, 5998 SdHoareTripleChecker+Invalid, 774 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 772 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2023-11-12 00:53:33,786 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3372 Valid, 5998 Invalid, 774 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 772 Invalid, 2 Unknown, 0 Unchecked, 8.7s Time] [2023-11-12 00:53:33,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2274 states. [2023-11-12 00:53:34,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2274 to 2274. [2023-11-12 00:53:34,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2274 states, 1342 states have (on average 1.3062593144560357) internal successors, (1753), 1422 states have internal predecessors, (1753), 790 states have call successors, (790), 141 states have call predecessors, (790), 141 states have return successors, (790), 772 states have call predecessors, (790), 790 states have call successors, (790) [2023-11-12 00:53:34,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2274 states to 2274 states and 3333 transitions. [2023-11-12 00:53:34,085 INFO L78 Accepts]: Start accepts. Automaton has 2274 states and 3333 transitions. Word has length 36 [2023-11-12 00:53:34,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:53:34,087 INFO L495 AbstractCegarLoop]: Abstraction has 2274 states and 3333 transitions. [2023-11-12 00:53:34,087 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-12 00:53:34,087 INFO L276 IsEmpty]: Start isEmpty. Operand 2274 states and 3333 transitions. [2023-11-12 00:53:34,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-12 00:53:34,102 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:53:34,102 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:53:34,103 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 00:53:34,106 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 00:53:34,106 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:53:34,107 INFO L85 PathProgramCache]: Analyzing trace with hash 100775811, now seen corresponding path program 1 times [2023-11-12 00:53:34,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:53:34,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848302694] [2023-11-12 00:53:34,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:53:34,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:53:34,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:53:35,549 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-11-12 00:53:35,549 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:53:35,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848302694] [2023-11-12 00:53:35,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [848302694] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:53:35,549 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:53:35,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 00:53:35,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378025833] [2023-11-12 00:53:35,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:53:35,551 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 00:53:35,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:53:35,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 00:53:35,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 00:53:35,553 INFO L87 Difference]: Start difference. First operand 2274 states and 3333 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-12 00:53:38,367 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:53:40,422 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 00:53:42,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:53:42,701 INFO L93 Difference]: Finished difference Result 2274 states and 3333 transitions. [2023-11-12 00:53:42,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 00:53:42,703 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 83 [2023-11-12 00:53:42,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:53:42,703 INFO L225 Difference]: With dead ends: 2274 [2023-11-12 00:53:42,704 INFO L226 Difference]: Without dead ends: 0 [2023-11-12 00:53:42,715 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:53:42,716 INFO L413 NwaCegarLoop]: 2949 mSDtfsCounter, 3308 mSDsluCounter, 2948 mSDsCounter, 0 mSdLazyCounter, 761 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3308 SdHoareTripleChecker+Valid, 5897 SdHoareTripleChecker+Invalid, 763 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 761 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2023-11-12 00:53:42,716 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3308 Valid, 5897 Invalid, 763 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 761 Invalid, 2 Unknown, 0 Unchecked, 6.9s Time] [2023-11-12 00:53:42,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-12 00:53:42,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-12 00:53:42,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:53:42,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-12 00:53:42,719 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 83 [2023-11-12 00:53:42,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:53:42,719 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-12 00:53:42,719 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-12 00:53:42,720 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-12 00:53:42,720 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-12 00:53:42,722 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2023-11-12 00:53:42,723 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2023-11-12 00:53:42,723 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 00:53:42,725 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.