./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-dec-tulip-tulip.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 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_d204f0be-ede5-457c-9d10-f5f63e3a085f/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d204f0be-ede5-457c-9d10-f5f63e3a085f/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d204f0be-ede5-457c-9d10-f5f63e3a085f/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d204f0be-ede5-457c-9d10-f5f63e3a085f/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-dec-tulip-tulip.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d204f0be-ede5-457c-9d10-f5f63e3a085f/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d204f0be-ede5-457c-9d10-f5f63e3a085f/bin/utaipan-verify-mE87zJ7Ire --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 b5d2eeaaae10ee4c57bd86d22cba165fc727430aa2a7f660f053fb73e5712838 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:27:35,874 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:27:35,948 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d204f0be-ede5-457c-9d10-f5f63e3a085f/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:27:35,955 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:27:35,956 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:27:35,986 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:27:35,987 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:27:35,988 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:27:35,989 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:27:35,990 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:27:35,991 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:27:35,992 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:27:35,993 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:27:35,993 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:27:35,994 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:27:35,995 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:27:35,996 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:27:35,997 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:27:35,998 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:27:35,999 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:27:35,999 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:27:36,000 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:27:36,002 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:27:36,003 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:27:36,003 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:27:36,004 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:27:36,005 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:27:36,005 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:27:36,006 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:27:36,006 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:27:36,007 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:27:36,008 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:27:36,008 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:27:36,009 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:27:36,009 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:27:36,009 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:27:36,010 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:27:36,010 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:27:36,011 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:27:36,011 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:27:36,011 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:27:36,012 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:27:36,012 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:27:36,013 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:27:36,013 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_d204f0be-ede5-457c-9d10-f5f63e3a085f/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d204f0be-ede5-457c-9d10-f5f63e3a085f/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b5d2eeaaae10ee4c57bd86d22cba165fc727430aa2a7f660f053fb73e5712838 [2023-11-23 21:27:36,339 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:27:36,373 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:27:36,376 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:27:36,377 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:27:36,379 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:27:36,381 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d204f0be-ede5-457c-9d10-f5f63e3a085f/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-dec-tulip-tulip.cil.i [2023-11-23 21:27:39,556 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:27:40,443 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:27:40,444 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d204f0be-ede5-457c-9d10-f5f63e3a085f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-dec-tulip-tulip.cil.i [2023-11-23 21:27:40,514 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d204f0be-ede5-457c-9d10-f5f63e3a085f/bin/utaipan-verify-mE87zJ7Ire/data/24d8a5f9f/010d1e28ae884eba94b534da3f0cd1ca/FLAG9fbe0dace [2023-11-23 21:27:40,534 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d204f0be-ede5-457c-9d10-f5f63e3a085f/bin/utaipan-verify-mE87zJ7Ire/data/24d8a5f9f/010d1e28ae884eba94b534da3f0cd1ca [2023-11-23 21:27:40,538 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:27:40,540 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:27:40,542 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:27:40,542 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:27:40,550 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:27:40,551 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:27:40" (1/1) ... [2023-11-23 21:27:40,553 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3897a589 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:40, skipping insertion in model container [2023-11-23 21:27:40,553 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:27:40" (1/1) ... [2023-11-23 21:27:40,827 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:27:45,551 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_d204f0be-ede5-457c-9d10-f5f63e3a085f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-dec-tulip-tulip.cil.i[454757,454770] [2023-11-23 21:27:45,557 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_d204f0be-ede5-457c-9d10-f5f63e3a085f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-dec-tulip-tulip.cil.i[454904,454917] [2023-11-23 21:27:45,558 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_d204f0be-ede5-457c-9d10-f5f63e3a085f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-dec-tulip-tulip.cil.i[455043,455056] [2023-11-23 21:27:45,559 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_d204f0be-ede5-457c-9d10-f5f63e3a085f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-dec-tulip-tulip.cil.i[455201,455214] [2023-11-23 21:27:45,596 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:27:45,659 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:27:45,836 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)); [5804] [2023-11-23 21:27:45,838 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5811] [2023-11-23 21:27:45,846 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)); [5909-5910] [2023-11-23 21:27:45,848 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)); [5943-5944] [2023-11-23 21:27:45,850 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)); [5981-5982] [2023-11-23 21:27:45,851 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)); [6018-6019] [2023-11-23 21:27:45,861 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6276] [2023-11-23 21:27:45,863 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6303] [2023-11-23 21:27:45,914 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7234] [2023-11-23 21:27:45,919 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7354] [2023-11-23 21:27:45,923 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7475] [2023-11-23 21:27:46,034 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8459] [2023-11-23 21:27:46,058 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"); [9005] [2023-11-23 21:27:46,059 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [9012] [2023-11-23 21:27:46,061 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)); [9066-9067] [2023-11-23 21:27:46,062 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"); [9072-9074] [2023-11-23 21:27:46,073 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/netdevice.h"), "i" (502), "i" (12UL)); [9305-9306] [2023-11-23 21:27:46,074 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [9312] [2023-11-23 21:27:46,100 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [9575] [2023-11-23 21:27:46,138 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [10168] [2023-11-23 21:27:46,160 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [10432] [2023-11-23 21:27:46,319 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [14700] [2023-11-23 21:27:46,352 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [15321] [2023-11-23 21:27:46,422 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_d204f0be-ede5-457c-9d10-f5f63e3a085f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-dec-tulip-tulip.cil.i[454757,454770] [2023-11-23 21:27:46,423 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_d204f0be-ede5-457c-9d10-f5f63e3a085f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-dec-tulip-tulip.cil.i[454904,454917] [2023-11-23 21:27:46,423 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_d204f0be-ede5-457c-9d10-f5f63e3a085f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-dec-tulip-tulip.cil.i[455043,455056] [2023-11-23 21:27:46,425 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_d204f0be-ede5-457c-9d10-f5f63e3a085f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-dec-tulip-tulip.cil.i[455201,455214] [2023-11-23 21:27:46,445 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:27:46,752 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:27:46,761 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:27:46,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:46 WrapperNode [2023-11-23 21:27:46,763 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:27:46,767 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:27:46,768 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:27:46,768 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:27:46,778 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:46" (1/1) ... [2023-11-23 21:27:46,965 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:46" (1/1) ... [2023-11-23 21:27:47,380 INFO L138 Inliner]: procedures = 460, calls = 5234, calls flagged for inlining = 269, calls inlined = 252, statements flattened = 13730 [2023-11-23 21:27:47,381 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:27:47,382 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:27:47,382 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:27:47,382 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:27:47,392 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:46" (1/1) ... [2023-11-23 21:27:47,392 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:46" (1/1) ... [2023-11-23 21:27:47,465 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:46" (1/1) ... [2023-11-23 21:27:47,466 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:46" (1/1) ... [2023-11-23 21:27:47,951 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:46" (1/1) ... [2023-11-23 21:27:48,010 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:46" (1/1) ... [2023-11-23 21:27:48,048 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:46" (1/1) ... [2023-11-23 21:27:48,077 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:46" (1/1) ... [2023-11-23 21:27:48,154 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:27:48,156 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:27:48,156 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:27:48,156 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:27:48,157 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:46" (1/1) ... [2023-11-23 21:27:48,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:27:48,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d204f0be-ede5-457c-9d10-f5f63e3a085f/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:27:48,193 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d204f0be-ede5-457c-9d10-f5f63e3a085f/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:27:48,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d204f0be-ede5-457c-9d10-f5f63e3a085f/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:27:48,225 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_up [2023-11-23 21:27:48,226 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_up [2023-11-23 21:27:48,226 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_media_task [2023-11-23 21:27:48,226 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_media_task [2023-11-23 21:27:48,226 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-23 21:27:48,233 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-23 21:27:48,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-23 21:27:48,234 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-23 21:27:48,234 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-11-23 21:27:48,234 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-11-23 21:27:48,234 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-23 21:27:48,234 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-23 21:27:48,235 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_select_media [2023-11-23 21:27:48,235 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_select_media [2023-11-23 21:27:48,235 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit_le [2023-11-23 21:27:48,235 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit_le [2023-11-23 21:27:48,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 21:27:48,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 21:27:48,236 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-23 21:27:48,236 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-23 21:27:48,236 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-23 21:27:48,236 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-23 21:27:48,236 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2023-11-23 21:27:48,237 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2023-11-23 21:27:48,237 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-23 21:27:48,237 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-23 21:27:48,237 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2023-11-23 21:27:48,237 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2023-11-23 21:27:48,238 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2023-11-23 21:27:48,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2023-11-23 21:27:48,238 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-23 21:27:48,238 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-23 21:27:48,238 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2023-11-23 21:27:48,238 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2023-11-23 21:27:48,239 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-23 21:27:48,239 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-23 21:27:48,239 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2023-11-23 21:27:48,239 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2023-11-23 21:27:48,239 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-23 21:27:48,240 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-23 21:27:48,240 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-23 21:27:48,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-23 21:27:48,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-23 21:27:48,240 INFO L130 BoogieDeclarations]: Found specification of procedure pnic_do_nway [2023-11-23 21:27:48,241 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic_do_nway [2023-11-23 21:27:48,241 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-23 21:27:48,241 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-23 21:27:48,241 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2023-11-23 21:27:48,241 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2023-11-23 21:27:48,242 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-23 21:27:48,242 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-23 21:27:48,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-23 21:27:48,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-23 21:27:48,242 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-23 21:27:48,242 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-23 21:27:48,243 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-23 21:27:48,243 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-23 21:27:48,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:27:48,243 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_set_wolopts [2023-11-23 21:27:48,243 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_set_wolopts [2023-11-23 21:27:48,244 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_resume [2023-11-23 21:27:48,244 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_resume [2023-11-23 21:27:48,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2023-11-23 21:27:48,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2023-11-23 21:27:48,244 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_interrupt [2023-11-23 21:27:48,245 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_interrupt [2023-11-23 21:27:48,245 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-23 21:27:48,245 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-23 21:27:48,245 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-23 21:27:48,245 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-23 21:27:48,245 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___3 [2023-11-23 21:27:48,246 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___3 [2023-11-23 21:27:48,246 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___1 [2023-11-23 21:27:48,246 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___1 [2023-11-23 21:27:48,246 INFO L130 BoogieDeclarations]: Found specification of procedure t21142_media_task [2023-11-23 21:27:48,246 INFO L138 BoogieDeclarations]: Found implementation of procedure t21142_media_task [2023-11-23 21:27:48,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-23 21:27:48,247 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___4 [2023-11-23 21:27:48,247 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___4 [2023-11-23 21:27:48,247 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-23 21:27:48,247 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-23 21:27:48,248 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-23 21:27:48,248 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-23 21:27:48,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 21:27:48,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-23 21:27:48,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-23 21:27:48,249 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-23 21:27:48,249 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-23 21:27:48,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:27:48,249 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2023-11-23 21:27:48,249 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2023-11-23 21:27:48,249 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-23 21:27:48,250 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-23 21:27:48,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-23 21:27:48,250 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-23 21:27:48,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-23 21:27:48,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-23 21:27:48,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-23 21:27:48,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-23 21:27:48,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-23 21:27:48,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-23 21:27:48,251 INFO L130 BoogieDeclarations]: Found specification of procedure pnic_timer [2023-11-23 21:27:48,252 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic_timer [2023-11-23 21:27:48,252 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-23 21:27:48,252 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-23 21:27:48,252 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-23 21:27:48,252 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-23 21:27:48,252 INFO L130 BoogieDeclarations]: Found specification of procedure poll_tulip [2023-11-23 21:27:48,253 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_tulip [2023-11-23 21:27:48,253 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_mdio_write [2023-11-23 21:27:48,253 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_mdio_write [2023-11-23 21:27:48,253 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:27:48,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-23 21:27:48,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-23 21:27:48,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-23 21:27:48,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-23 21:27:48,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2023-11-23 21:27:48,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2023-11-23 21:27:48,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2023-11-23 21:27:48,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2023-11-23 21:27:48,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:27:48,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-23 21:27:48,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-23 21:27:48,256 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-23 21:27:48,256 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-23 21:27:48,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:27:48,256 INFO L130 BoogieDeclarations]: Found specification of procedure t21142_start_nway [2023-11-23 21:27:48,256 INFO L138 BoogieDeclarations]: Found implementation of procedure t21142_start_nway [2023-11-23 21:27:48,257 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2023-11-23 21:27:48,257 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2023-11-23 21:27:48,257 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2023-11-23 21:27:48,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2023-11-23 21:27:48,257 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:27:48,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:27:48,258 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-23 21:27:48,258 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-23 21:27:48,258 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-23 21:27:48,258 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-23 21:27:48,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-23 21:27:48,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-23 21:27:48,259 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-23 21:27:48,259 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-23 21:27:48,259 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-11-23 21:27:48,259 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-11-23 21:27:48,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:27:48,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:27:48,260 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_close [2023-11-23 21:27:48,260 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_close [2023-11-23 21:27:48,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-23 21:27:48,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 21:27:48,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-23 21:27:48,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-23 21:27:48,261 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2023-11-23 21:27:48,261 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2023-11-23 21:27:48,261 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2023-11-23 21:27:48,261 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2023-11-23 21:27:48,262 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_set_power_state [2023-11-23 21:27:48,262 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_set_power_state [2023-11-23 21:27:48,262 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-23 21:27:48,262 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-23 21:27:48,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_tulip_cleanup_19_2 [2023-11-23 21:27:48,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_tulip_cleanup_19_2 [2023-11-23 21:27:48,263 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2023-11-23 21:27:48,263 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2023-11-23 21:27:48,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-23 21:27:48,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-23 21:27:48,263 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_tx_timeout [2023-11-23 21:27:48,264 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_tx_timeout [2023-11-23 21:27:48,264 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_check_duplex [2023-11-23 21:27:48,264 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_check_duplex [2023-11-23 21:27:48,264 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-23 21:27:48,264 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-23 21:27:48,265 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2023-11-23 21:27:48,265 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2023-11-23 21:27:48,265 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2023-11-23 21:27:48,265 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2023-11-23 21:27:48,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 21:27:48,265 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 21:27:48,266 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-23 21:27:48,266 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-23 21:27:48,266 INFO L130 BoogieDeclarations]: Found specification of procedure comet_timer [2023-11-23 21:27:48,266 INFO L138 BoogieDeclarations]: Found implementation of procedure comet_timer [2023-11-23 21:27:48,266 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2023-11-23 21:27:48,266 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2023-11-23 21:27:48,267 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-23 21:27:48,267 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-23 21:27:48,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:27:48,267 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_mdio_read [2023-11-23 21:27:48,267 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_mdio_read [2023-11-23 21:27:48,268 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-23 21:27:48,268 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-23 21:27:48,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:27:48,268 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-11-23 21:27:48,268 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-11-23 21:27:48,268 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2023-11-23 21:27:48,269 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2023-11-23 21:27:48,269 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_mwi [2023-11-23 21:27:48,269 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_mwi [2023-11-23 21:27:48,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 21:27:48,269 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-23 21:27:48,269 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-23 21:27:48,270 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_down [2023-11-23 21:27:48,270 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_down [2023-11-23 21:27:48,270 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_stop_rxtx___2 [2023-11-23 21:27:48,270 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_stop_rxtx___2 [2023-11-23 21:27:48,270 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-23 21:27:48,271 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-23 21:27:48,271 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-23 21:27:48,271 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-23 21:27:48,271 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_remove_one [2023-11-23 21:27:48,271 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_remove_one [2023-11-23 21:27:48,271 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-23 21:27:48,272 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-23 21:27:48,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2023-11-23 21:27:48,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2023-11-23 21:27:48,272 INFO L130 BoogieDeclarations]: Found specification of procedure mxic_timer [2023-11-23 21:27:48,272 INFO L138 BoogieDeclarations]: Found implementation of procedure mxic_timer [2023-11-23 21:27:48,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-23 21:27:48,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-23 21:27:48,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-23 21:27:48,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-23 21:27:48,273 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_free_ring [2023-11-23 21:27:48,273 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_free_ring [2023-11-23 21:27:48,274 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2023-11-23 21:27:48,274 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2023-11-23 21:27:48,274 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_refill_rx [2023-11-23 21:27:48,274 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_refill_rx [2023-11-23 21:27:48,274 INFO L130 BoogieDeclarations]: Found specification of procedure pnic2_timer [2023-11-23 21:27:48,274 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic2_timer [2023-11-23 21:27:48,275 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-23 21:27:48,275 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-23 21:27:48,275 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-23 21:27:48,275 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-23 21:27:48,275 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-11-23 21:27:48,275 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-11-23 21:27:48,276 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-23 21:27:48,276 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-23 21:27:48,276 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-23 21:27:48,276 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-23 21:27:48,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:27:48,276 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx [2023-11-23 21:27:48,277 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx [2023-11-23 21:27:48,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 21:27:48,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 21:27:48,277 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2023-11-23 21:27:48,277 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2023-11-23 21:27:48,284 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_start_rxtx [2023-11-23 21:27:48,285 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_start_rxtx [2023-11-23 21:27:48,286 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-23 21:27:48,286 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-23 21:27:48,286 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_open [2023-11-23 21:27:48,287 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_open [2023-11-23 21:27:48,287 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2023-11-23 21:27:48,288 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2023-11-23 21:27:48,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-23 21:27:48,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-23 21:27:48,294 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2023-11-23 21:27:48,296 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2023-11-23 21:27:48,297 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2023-11-23 21:27:48,297 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2023-11-23 21:27:48,297 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2023-11-23 21:27:48,297 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2023-11-23 21:27:48,297 INFO L130 BoogieDeclarations]: Found specification of procedure pnic2_start_nway [2023-11-23 21:27:48,297 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic2_start_nway [2023-11-23 21:27:48,298 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-23 21:27:48,298 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-23 21:27:48,298 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_read_eeprom [2023-11-23 21:27:48,298 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_read_eeprom [2023-11-23 21:27:48,298 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-23 21:27:48,299 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-23 21:27:48,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:27:48,299 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_timer [2023-11-23 21:27:48,299 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_timer [2023-11-23 21:27:48,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-23 21:27:48,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-23 21:27:49,503 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:27:49,518 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:27:51,208 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-23 21:28:02,084 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-23 21:28:02,367 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:28:12,071 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:28:12,072 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 21:28:12,076 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:28:12 BoogieIcfgContainer [2023-11-23 21:28:12,077 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:28:12,082 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:28:12,082 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:28:12,086 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:28:12,087 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:27:40" (1/3) ... [2023-11-23 21:28:12,088 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5366c8ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:28:12, skipping insertion in model container [2023-11-23 21:28:12,088 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:46" (2/3) ... [2023-11-23 21:28:12,089 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5366c8ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:28:12, skipping insertion in model container [2023-11-23 21:28:12,090 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:28:12" (3/3) ... [2023-11-23 21:28:12,094 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-dec-tulip-tulip.cil.i [2023-11-23 21:28:12,119 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:28:12,119 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-23 21:28:12,286 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:28:12,298 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;@36726c9a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:28:12,302 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-23 21:28:12,323 INFO L276 IsEmpty]: Start isEmpty. Operand has 2889 states, 1743 states have (on average 1.344807802639128) internal successors, (2344), 1838 states have internal predecessors, (2344), 1017 states have call successors, (1017), 129 states have call predecessors, (1017), 128 states have return successors, (1010), 974 states have call predecessors, (1010), 1010 states have call successors, (1010) [2023-11-23 21:28:12,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-11-23 21:28:12,372 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:28:12,373 INFO L195 NwaCegarLoop]: trace histogram [14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:28:12,374 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:28:12,382 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:28:12,382 INFO L85 PathProgramCache]: Analyzing trace with hash 1389623030, now seen corresponding path program 1 times [2023-11-23 21:28:12,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:28:12,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726696050] [2023-11-23 21:28:12,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:28:12,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:28:13,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:28:14,076 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 650 trivial. 0 not checked. [2023-11-23 21:28:14,077 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:28:14,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726696050] [2023-11-23 21:28:14,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1726696050] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:28:14,078 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:28:14,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:28:14,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395360842] [2023-11-23 21:28:14,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:28:14,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:28:14,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:28:14,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:28:14,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:28:14,140 INFO L87 Difference]: Start difference. First operand has 2889 states, 1743 states have (on average 1.344807802639128) internal successors, (2344), 1838 states have internal predecessors, (2344), 1017 states have call successors, (1017), 129 states have call predecessors, (1017), 128 states have return successors, (1010), 974 states have call predecessors, (1010), 1010 states have call successors, (1010) Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16)