./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-sun-sunhme.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_7db85160-3cd8-48dd-a41c-f5f2f37a7931/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7db85160-3cd8-48dd-a41c-f5f2f37a7931/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_7db85160-3cd8-48dd-a41c-f5f2f37a7931/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7db85160-3cd8-48dd-a41c-f5f2f37a7931/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-sun-sunhme.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7db85160-3cd8-48dd-a41c-f5f2f37a7931/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_7db85160-3cd8-48dd-a41c-f5f2f37a7931/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 536967bc2d119b5b01611d52124221c0068f635deed7f674213322a832d07143 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:49:26,538 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:49:26,644 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7db85160-3cd8-48dd-a41c-f5f2f37a7931/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-12 00:49:26,652 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:49:26,652 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:49:26,696 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:49:26,696 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:49:26,697 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:49:26,698 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:49:26,705 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:49:26,705 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:49:26,706 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:49:26,706 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:49:26,708 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:49:26,708 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:49:26,709 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:49:26,709 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:49:26,710 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:49:26,710 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:49:26,711 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:49:26,711 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:49:26,712 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:49:26,712 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:49:26,713 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:49:26,713 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:49:26,713 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:49:26,714 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:49:26,714 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:49:26,714 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:49:26,714 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:49:26,715 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:49:26,715 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:49:26,716 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:49:26,716 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:49:26,716 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:49:26,716 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:49:26,717 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:49:26,717 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:49:26,717 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:49:26,717 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:49:26,717 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:49:26,718 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:49:26,718 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_7db85160-3cd8-48dd-a41c-f5f2f37a7931/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7db85160-3cd8-48dd-a41c-f5f2f37a7931/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 536967bc2d119b5b01611d52124221c0068f635deed7f674213322a832d07143 [2023-11-12 00:49:27,028 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:49:27,054 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:49:27,057 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:49:27,058 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:49:27,058 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:49:27,060 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7db85160-3cd8-48dd-a41c-f5f2f37a7931/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-sun-sunhme.cil.i [2023-11-12 00:49:30,228 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:49:30,920 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:49:30,922 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7db85160-3cd8-48dd-a41c-f5f2f37a7931/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-sun-sunhme.cil.i [2023-11-12 00:49:30,970 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7db85160-3cd8-48dd-a41c-f5f2f37a7931/bin/utaipan-verify-NcY6lQBIFX/data/32c1bee2c/e2438a4d6be044c2973ccbbdd3c2b8ac/FLAG8e8c51849 [2023-11-12 00:49:30,989 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7db85160-3cd8-48dd-a41c-f5f2f37a7931/bin/utaipan-verify-NcY6lQBIFX/data/32c1bee2c/e2438a4d6be044c2973ccbbdd3c2b8ac [2023-11-12 00:49:30,994 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:49:30,995 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:49:31,002 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:49:31,003 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:49:31,008 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:49:31,009 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:49:30" (1/1) ... [2023-11-12 00:49:31,011 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@143a17f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:31, skipping insertion in model container [2023-11-12 00:49:31,011 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:49:30" (1/1) ... [2023-11-12 00:49:31,211 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:49:33,953 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_7db85160-3cd8-48dd-a41c-f5f2f37a7931/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-sun-sunhme.cil.i[314317,314330] [2023-11-12 00:49:33,959 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_7db85160-3cd8-48dd-a41c-f5f2f37a7931/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-sun-sunhme.cil.i[314464,314477] [2023-11-12 00:49:33,960 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_7db85160-3cd8-48dd-a41c-f5f2f37a7931/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-sun-sunhme.cil.i[314603,314616] [2023-11-12 00:49:33,961 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_7db85160-3cd8-48dd-a41c-f5f2f37a7931/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-sun-sunhme.cil.i[314761,314774] [2023-11-12 00:49:33,979 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:49:34,037 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:49:34,153 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"); [5301] [2023-11-12 00:49:34,166 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)); [5308] [2023-11-12 00:49:34,167 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5315] [2023-11-12 00:49:34,169 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)); [5370-5371] [2023-11-12 00:49:34,179 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"); [5376-5378] [2023-11-12 00:49:34,181 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [5454] [2023-11-12 00:49:34,181 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5462] [2023-11-12 00:49:34,182 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5469] [2023-11-12 00:49:34,190 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)); [5597-5598] [2023-11-12 00:49:34,194 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)); [5631-5632] [2023-11-12 00:49:34,196 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" (79), "i" (12UL)); [5672-5673] [2023-11-12 00:49:34,197 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" (91), "i" (12UL)); [5701-5702] [2023-11-12 00:49:34,199 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)); [5738-5739] [2023-11-12 00:49:34,200 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)); [5775-5776] [2023-11-12 00:49:34,240 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6721] [2023-11-12 00:49:34,276 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7492] [2023-11-12 00:49:34,277 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7502] [2023-11-12 00:49:34,278 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7517] [2023-11-12 00:49:34,316 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8303] [2023-11-12 00:49:34,403 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8336] [2023-11-12 00:49:34,404 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8359] [2023-11-12 00:49:34,412 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8600] [2023-11-12 00:49:34,413 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8630] [2023-11-12 00:49:34,414 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8643] [2023-11-12 00:49:34,524 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_7db85160-3cd8-48dd-a41c-f5f2f37a7931/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-sun-sunhme.cil.i[314317,314330] [2023-11-12 00:49:34,524 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_7db85160-3cd8-48dd-a41c-f5f2f37a7931/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-sun-sunhme.cil.i[314464,314477] [2023-11-12 00:49:34,525 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_7db85160-3cd8-48dd-a41c-f5f2f37a7931/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-sun-sunhme.cil.i[314603,314616] [2023-11-12 00:49:34,525 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_7db85160-3cd8-48dd-a41c-f5f2f37a7931/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-sun-sunhme.cil.i[314761,314774] [2023-11-12 00:49:34,534 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:49:34,717 WARN L672 CHandler]: The function strncmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:49:34,717 WARN L672 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:49:34,725 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:49:34,726 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:34 WrapperNode [2023-11-12 00:49:34,726 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:49:34,727 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:49:34,728 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:49:34,728 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:49:34,736 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:34" (1/1) ... [2023-11-12 00:49:34,854 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:34" (1/1) ... [2023-11-12 00:49:35,137 INFO L138 Inliner]: procedures = 352, calls = 1994, calls flagged for inlining = 207, calls inlined = 201, statements flattened = 6121 [2023-11-12 00:49:35,138 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:49:35,139 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:49:35,140 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:49:35,140 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:49:35,151 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:34" (1/1) ... [2023-11-12 00:49:35,151 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:34" (1/1) ... [2023-11-12 00:49:35,194 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:34" (1/1) ... [2023-11-12 00:49:35,194 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:34" (1/1) ... [2023-11-12 00:49:35,341 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:34" (1/1) ... [2023-11-12 00:49:35,374 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:34" (1/1) ... [2023-11-12 00:49:35,421 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:34" (1/1) ... [2023-11-12 00:49:35,451 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:34" (1/1) ... [2023-11-12 00:49:35,524 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:49:35,526 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:49:35,526 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:49:35,526 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:49:35,528 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:34" (1/1) ... [2023-11-12 00:49:35,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:49:35,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7db85160-3cd8-48dd-a41c-f5f2f37a7931/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:49:35,562 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7db85160-3cd8-48dd-a41c-f5f2f37a7931/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:49:35,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7db85160-3cd8-48dd-a41c-f5f2f37a7931/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:49:35,605 INFO L130 BoogieDeclarations]: Found specification of procedure hme_read_desc32 [2023-11-12 00:49:35,605 INFO L138 BoogieDeclarations]: Found implementation of procedure hme_read_desc32 [2023-11-12 00:49:35,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-12 00:49:35,606 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-12 00:49:35,606 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2023-11-12 00:49:35,606 INFO L130 BoogieDeclarations]: Found specification of procedure BB_GET_BIT2 [2023-11-12 00:49:35,606 INFO L138 BoogieDeclarations]: Found implementation of procedure BB_GET_BIT2 [2023-11-12 00:49:35,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-12 00:49:35,606 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_clean_rings [2023-11-12 00:49:35,607 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_clean_rings [2023-11-12 00:49:35,607 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2023-11-12 00:49:35,607 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2023-11-12 00:49:35,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-12 00:49:35,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-12 00:49:35,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-12 00:49:35,607 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-12 00:49:35,654 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-12 00:49:35,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-12 00:49:35,654 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-12 00:49:35,655 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-11-12 00:49:35,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-11-12 00:49:35,655 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_open [2023-11-12 00:49:35,655 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_open [2023-11-12 00:49:35,655 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_poll_stop [2023-11-12 00:49:35,655 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_poll_stop [2023-11-12 00:49:35,655 INFO L130 BoogieDeclarations]: Found specification of procedure is_quattro_p [2023-11-12 00:49:35,655 INFO L138 BoogieDeclarations]: Found implementation of procedure is_quattro_p [2023-11-12 00:49:35,655 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-12 00:49:35,655 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-12 00:49:35,656 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_close [2023-11-12 00:49:35,656 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_close [2023-11-12 00:49:35,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 00:49:35,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 00:49:35,656 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2023-11-12 00:49:35,656 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2023-11-12 00:49:35,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-12 00:49:35,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-12 00:49:35,656 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-12 00:49:35,656 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-12 00:49:35,657 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_set_multicast [2023-11-12 00:49:35,657 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_set_multicast [2023-11-12 00:49:35,657 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-12 00:49:35,657 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-12 00:49:35,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_happy_meal_exit_14_2 [2023-11-12 00:49:35,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_happy_meal_exit_14_2 [2023-11-12 00:49:35,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-12 00:49:35,657 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-12 00:49:35,657 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-12 00:49:35,657 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-12 00:49:35,658 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2023-11-12 00:49:35,658 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2023-11-12 00:49:35,658 INFO L130 BoogieDeclarations]: Found specification of procedure BB_PUT_BIT [2023-11-12 00:49:35,658 INFO L138 BoogieDeclarations]: Found implementation of procedure BB_PUT_BIT [2023-11-12 00:49:35,658 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2023-11-12 00:49:35,658 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2023-11-12 00:49:35,658 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2023-11-12 00:49:35,658 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2023-11-12 00:49:35,658 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_begin_auto_negotiation [2023-11-12 00:49:35,658 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_begin_auto_negotiation [2023-11-12 00:49:35,659 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_get_counters [2023-11-12 00:49:35,659 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_get_counters [2023-11-12 00:49:35,659 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2023-11-12 00:49:35,659 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2023-11-12 00:49:35,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:49:35,659 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-12 00:49:35,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 00:49:35,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-12 00:49:35,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-12 00:49:35,659 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-11-12 00:49:35,660 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-11-12 00:49:35,660 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-12 00:49:35,666 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-12 00:49:35,666 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-12 00:49:35,666 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-12 00:49:35,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer [2023-11-12 00:49:35,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer [2023-11-12 00:49:35,666 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-12 00:49:35,667 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-12 00:49:35,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-12 00:49:35,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-12 00:49:35,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:49:35,668 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-12 00:49:35,668 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-12 00:49:35,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 00:49:35,669 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-12 00:49:35,669 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-12 00:49:35,670 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-12 00:49:35,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-12 00:49:35,670 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_stop [2023-11-12 00:49:35,670 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_stop [2023-11-12 00:49:35,670 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-12 00:49:35,670 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-12 00:49:35,671 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-12 00:49:35,671 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-12 00:49:35,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-12 00:49:35,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-12 00:49:35,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-12 00:49:35,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-12 00:49:35,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-12 00:49:35,672 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_pci_remove [2023-11-12 00:49:35,672 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_pci_remove [2023-11-12 00:49:35,672 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-12 00:49:35,673 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-12 00:49:35,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 00:49:35,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-12 00:49:35,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-12 00:49:35,675 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_init [2023-11-12 00:49:35,675 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_init [2023-11-12 00:49:35,675 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-11-12 00:49:35,675 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-11-12 00:49:35,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:49:35,676 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-12 00:49:35,676 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-12 00:49:35,676 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-12 00:49:35,676 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-12 00:49:35,676 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_write [2023-11-12 00:49:35,677 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_write [2023-11-12 00:49:35,678 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-12 00:49:35,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-12 00:49:35,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-12 00:49:35,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-12 00:49:35,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-12 00:49:35,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-12 00:49:35,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:49:35,684 INFO L130 BoogieDeclarations]: Found specification of procedure set_happy_link_modes [2023-11-12 00:49:35,684 INFO L138 BoogieDeclarations]: Found implementation of procedure set_happy_link_modes [2023-11-12 00:49:35,685 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_reset [2023-11-12 00:49:35,689 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_reset [2023-11-12 00:49:35,689 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-11-12 00:49:35,689 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-11-12 00:49:35,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 00:49:35,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 00:49:35,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 00:49:35,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-12 00:49:35,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-12 00:49:35,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-12 00:49:35,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-12 00:49:35,690 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tx_timeout [2023-11-12 00:49:35,690 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tx_timeout [2023-11-12 00:49:35,691 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-11-12 00:49:35,691 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-11-12 00:49:35,691 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2023-11-12 00:49:35,691 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2023-11-12 00:49:35,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:49:35,691 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_read [2023-11-12 00:49:35,691 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_read [2023-11-12 00:49:35,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-12 00:49:35,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-12 00:49:35,692 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-12 00:49:35,692 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-12 00:49:35,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 00:49:35,692 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 00:49:35,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 00:49:35,693 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-11-12 00:49:35,693 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-11-12 00:49:35,693 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-12 00:49:35,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-12 00:49:35,693 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-12 00:49:35,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-12 00:49:35,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-12 00:49:35,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-12 00:49:35,695 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-11-12 00:49:35,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-11-12 00:49:35,695 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2023-11-12 00:49:35,696 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2023-11-12 00:49:35,696 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-12 00:49:35,696 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-12 00:49:35,696 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2023-11-12 00:49:35,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2023-11-12 00:49:35,696 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-12 00:49:35,697 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-12 00:49:35,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-12 00:49:35,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-12 00:49:35,698 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-12 00:49:35,698 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-12 00:49:35,698 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-12 00:49:35,698 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-12 00:49:35,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:49:35,698 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2023-11-12 00:49:35,699 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2023-11-12 00:49:35,699 INFO L130 BoogieDeclarations]: Found specification of procedure is_lucent_phy [2023-11-12 00:49:35,699 INFO L138 BoogieDeclarations]: Found implementation of procedure is_lucent_phy [2023-11-12 00:49:35,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-12 00:49:35,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-12 00:49:35,699 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2023-11-12 00:49:35,699 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2023-11-12 00:49:35,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:49:35,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:49:35,700 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_transceiver_check [2023-11-12 00:49:35,700 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_transceiver_check [2023-11-12 00:49:36,577 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:49:36,581 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:49:37,466 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-12 00:49:43,758 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-12 00:49:44,039 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:49:47,904 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:49:47,904 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:49:47,910 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:49:47 BoogieIcfgContainer [2023-11-12 00:49:47,910 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:49:47,915 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:49:47,915 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:49:47,919 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:49:47,920 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:49:30" (1/3) ... [2023-11-12 00:49:47,921 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13848a20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:49:47, skipping insertion in model container [2023-11-12 00:49:47,922 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:34" (2/3) ... [2023-11-12 00:49:47,922 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13848a20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:49:47, skipping insertion in model container [2023-11-12 00:49:47,922 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:49:47" (3/3) ... [2023-11-12 00:49:47,925 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-sun-sunhme.cil.i [2023-11-12 00:49:47,947 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:49:47,948 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-12 00:49:48,078 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:49:48,087 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;@472918, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:49:48,087 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-12 00:49:48,102 INFO L276 IsEmpty]: Start isEmpty. Operand has 1726 states, 1024 states have (on average 1.3076171875) internal successors, (1339), 1059 states have internal predecessors, (1339), 615 states have call successors, (615), 86 states have call predecessors, (615), 85 states have return successors, (609), 598 states have call predecessors, (609), 609 states have call successors, (609) [2023-11-12 00:49:48,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-11-12 00:49:48,136 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:49:48,137 INFO L195 NwaCegarLoop]: trace histogram [9, 8, 8, 8, 8, 8, 8, 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 00:49:48,138 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:49:48,143 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:49:48,144 INFO L85 PathProgramCache]: Analyzing trace with hash -1190676659, now seen corresponding path program 1 times [2023-11-12 00:49:48,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:49:48,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043847094] [2023-11-12 00:49:48,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:49:48,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:49:48,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:49:49,176 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2023-11-12 00:49:49,176 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:49:49,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043847094] [2023-11-12 00:49:49,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1043847094] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:49:49,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:49:49,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:49:49,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733505166] [2023-11-12 00:49:49,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:49:49,192 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:49:49,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:49:49,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:49:49,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:49:49,232 INFO L87 Difference]: Start difference. First operand has 1726 states, 1024 states have (on average 1.3076171875) internal successors, (1339), 1059 states have internal predecessors, (1339), 615 states have call successors, (615), 86 states have call predecessors, (615), 85 states have return successors, (609), 598 states have call predecessors, (609), 609 states have call successors, (609) Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2023-11-12 00:49:52,625 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:49:55,416 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:49:57,520 WARN L539 Checker$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 00:49:59,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:49:59,075 INFO L93 Difference]: Finished difference Result 5081 states and 7561 transitions. [2023-11-12 00:49:59,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:49:59,078 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 100 [2023-11-12 00:49:59,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:49:59,145 INFO L225 Difference]: With dead ends: 5081 [2023-11-12 00:49:59,146 INFO L226 Difference]: Without dead ends: 3362 [2023-11-12 00:49:59,172 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 00:49:59,177 INFO L413 NwaCegarLoop]: 2233 mSDtfsCounter, 2472 mSDsluCounter, 2187 mSDsCounter, 0 mSdLazyCounter, 682 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2472 SdHoareTripleChecker+Valid, 4420 SdHoareTripleChecker+Invalid, 691 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 682 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.4s IncrementalHoareTripleChecker+Time [2023-11-12 00:49:59,178 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2472 Valid, 4420 Invalid, 691 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 682 Invalid, 2 Unknown, 0 Unchecked, 9.4s Time] [2023-11-12 00:49:59,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3362 states. [2023-11-12 00:49:59,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3362 to 3360. [2023-11-12 00:49:59,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3360 states, 2001 states have (on average 1.301849075462269) internal successors, (2605), 2070 states have internal predecessors, (2605), 1190 states have call successors, (1190), 168 states have call predecessors, (1190), 167 states have return successors, (1187), 1165 states have call predecessors, (1187), 1187 states have call successors, (1187) [2023-11-12 00:49:59,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3360 states to 3360 states and 4982 transitions. [2023-11-12 00:49:59,639 INFO L78 Accepts]: Start accepts. Automaton has 3360 states and 4982 transitions. Word has length 100 [2023-11-12 00:49:59,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:49:59,641 INFO L495 AbstractCegarLoop]: Abstraction has 3360 states and 4982 transitions. [2023-11-12 00:49:59,641 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2023-11-12 00:49:59,641 INFO L276 IsEmpty]: Start isEmpty. Operand 3360 states and 4982 transitions. [2023-11-12 00:49:59,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-12 00:49:59,656 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:49:59,656 INFO L195 NwaCegarLoop]: trace histogram [11, 8, 8, 8, 8, 8, 8, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:49:59,657 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 00:49:59,659 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:49:59,660 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:49:59,660 INFO L85 PathProgramCache]: Analyzing trace with hash -1499646960, now seen corresponding path program 1 times [2023-11-12 00:49:59,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:49:59,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365519940] [2023-11-12 00:49:59,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:49:59,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:49:59,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:50:00,128 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 287 trivial. 0 not checked. [2023-11-12 00:50:00,129 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:50:00,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365519940] [2023-11-12 00:50:00,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365519940] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:50:00,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:50:00,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:50:00,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154063648] [2023-11-12 00:50:00,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:50:00,132 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:50:00,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:50:00,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:50:00,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:50:00,134 INFO L87 Difference]: Start difference. First operand 3360 states and 4982 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-12 00:50:03,718 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:50:05,702 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:50:07,940 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:50:10,518 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:50:12,527 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 00:50:12,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:50:12,617 INFO L93 Difference]: Finished difference Result 5063 states and 7502 transitions. [2023-11-12 00:50:12,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:50:12,618 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 133 [2023-11-12 00:50:12,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:50:12,650 INFO L225 Difference]: With dead ends: 5063 [2023-11-12 00:50:12,650 INFO L226 Difference]: Without dead ends: 3360 [2023-11-12 00:50:12,663 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 00:50:12,664 INFO L413 NwaCegarLoop]: 2205 mSDtfsCounter, 7 mSDsluCounter, 2195 mSDsCounter, 0 mSdLazyCounter, 658 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 4400 SdHoareTripleChecker+Invalid, 662 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 658 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.3s IncrementalHoareTripleChecker+Time [2023-11-12 00:50:12,665 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 4400 Invalid, 662 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 658 Invalid, 4 Unknown, 0 Unchecked, 12.3s Time] [2023-11-12 00:50:12,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3360 states. [2023-11-12 00:50:12,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3360 to 3360. [2023-11-12 00:50:12,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3360 states, 2001 states have (on average 1.3013493253373314) internal successors, (2604), 2070 states have internal predecessors, (2604), 1190 states have call successors, (1190), 168 states have call predecessors, (1190), 167 states have return successors, (1187), 1165 states have call predecessors, (1187), 1187 states have call successors, (1187) [2023-11-12 00:50:12,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3360 states to 3360 states and 4981 transitions. [2023-11-12 00:50:12,921 INFO L78 Accepts]: Start accepts. Automaton has 3360 states and 4981 transitions. Word has length 133 [2023-11-12 00:50:12,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:50:12,923 INFO L495 AbstractCegarLoop]: Abstraction has 3360 states and 4981 transitions. [2023-11-12 00:50:12,923 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-12 00:50:12,923 INFO L276 IsEmpty]: Start isEmpty. Operand 3360 states and 4981 transitions. [2023-11-12 00:50:12,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-11-12 00:50:12,936 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:50:12,936 INFO L195 NwaCegarLoop]: trace histogram [9, 8, 8, 8, 8, 8, 8, 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 00:50:12,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 00:50:12,937 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:50:12,946 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:50:12,947 INFO L85 PathProgramCache]: Analyzing trace with hash -878565788, now seen corresponding path program 1 times [2023-11-12 00:50:12,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:50:12,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027613087] [2023-11-12 00:50:12,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:50:12,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:50:13,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:50:13,455 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2023-11-12 00:50:13,455 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:50:13,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027613087] [2023-11-12 00:50:13,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1027613087] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:50:13,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:50:13,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:50:13,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026806145] [2023-11-12 00:50:13,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:50:13,459 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:50:13,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:50:13,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:50:13,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:50:13,461 INFO L87 Difference]: Start difference. First operand 3360 states and 4981 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-11-12 00:50:17,002 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []