./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 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e227600c-d0b8-4ae5-86f6-0078bc8d27e4/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e227600c-d0b8-4ae5-86f6-0078bc8d27e4/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e227600c-d0b8-4ae5-86f6-0078bc8d27e4/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e227600c-d0b8-4ae5-86f6-0078bc8d27e4/bin/utaipan-verify-t7M7D8N6sZ/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_e227600c-d0b8-4ae5-86f6-0078bc8d27e4/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e227600c-d0b8-4ae5-86f6-0078bc8d27e4/bin/utaipan-verify-t7M7D8N6sZ --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-9bd2c7f [2023-11-19 04:10:40,036 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:10:40,160 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e227600c-d0b8-4ae5-86f6-0078bc8d27e4/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-19 04:10:40,171 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:10:40,176 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:10:40,229 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:10:40,230 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:10:40,231 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:10:40,232 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:10:40,237 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:10:40,237 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:10:40,239 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:10:40,239 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:10:40,241 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:10:40,242 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:10:40,242 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:10:40,243 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:10:40,243 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:10:40,244 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:10:40,244 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:10:40,245 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:10:40,245 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:10:40,247 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:10:40,247 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:10:40,248 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:10:40,248 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:10:40,249 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:10:40,249 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:10:40,250 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:10:40,250 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:10:40,252 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:10:40,252 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:10:40,253 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:10:40,253 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:10:40,271 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:10:40,271 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:10:40,271 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:10:40,272 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:10:40,272 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:10:40,273 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:10:40,273 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:10:40,273 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:10:40,274 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_e227600c-d0b8-4ae5-86f6-0078bc8d27e4/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e227600c-d0b8-4ae5-86f6-0078bc8d27e4/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b5d2eeaaae10ee4c57bd86d22cba165fc727430aa2a7f660f053fb73e5712838 [2023-11-19 04:10:40,691 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:10:40,725 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:10:40,729 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:10:40,731 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:10:40,731 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:10:40,733 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e227600c-d0b8-4ae5-86f6-0078bc8d27e4/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-dec-tulip-tulip.cil.i [2023-11-19 04:10:43,945 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:10:44,962 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:10:44,964 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e227600c-d0b8-4ae5-86f6-0078bc8d27e4/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-dec-tulip-tulip.cil.i [2023-11-19 04:10:45,051 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e227600c-d0b8-4ae5-86f6-0078bc8d27e4/bin/utaipan-verify-t7M7D8N6sZ/data/bcf43a917/678f7d93b8fa43598457926d3f471468/FLAGbae6d6b01 [2023-11-19 04:10:45,070 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e227600c-d0b8-4ae5-86f6-0078bc8d27e4/bin/utaipan-verify-t7M7D8N6sZ/data/bcf43a917/678f7d93b8fa43598457926d3f471468 [2023-11-19 04:10:45,082 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:10:45,085 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:10:45,087 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:10:45,087 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:10:45,098 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:10:45,099 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:10:45" (1/1) ... [2023-11-19 04:10:45,101 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ec46ce7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:10:45, skipping insertion in model container [2023-11-19 04:10:45,101 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:10:45" (1/1) ... [2023-11-19 04:10:45,361 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:10:49,891 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_e227600c-d0b8-4ae5-86f6-0078bc8d27e4/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] [2023-11-19 04:10:49,896 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_e227600c-d0b8-4ae5-86f6-0078bc8d27e4/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] [2023-11-19 04:10:49,897 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_e227600c-d0b8-4ae5-86f6-0078bc8d27e4/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] [2023-11-19 04:10:49,897 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_e227600c-d0b8-4ae5-86f6-0078bc8d27e4/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] [2023-11-19 04:10:49,927 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:10:50,030 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:10:50,166 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)); [5804] [2023-11-19 04:10:50,167 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5811] [2023-11-19 04:10:50,173 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] [2023-11-19 04:10:50,175 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] [2023-11-19 04:10:50,179 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] [2023-11-19 04:10:50,180 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] [2023-11-19 04:10:50,186 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6276] [2023-11-19 04:10:50,187 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6303] [2023-11-19 04:10:50,229 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7234] [2023-11-19 04:10:50,232 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7354] [2023-11-19 04:10:50,235 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7475] [2023-11-19 04:10:50,267 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8459] [2023-11-19 04:10:50,287 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] [2023-11-19 04:10:50,287 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [9012] [2023-11-19 04:10:50,289 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/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] [2023-11-19 04:10:50,289 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] [2023-11-19 04:10:50,297 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] [2023-11-19 04:10:50,298 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [9312] [2023-11-19 04:10:50,309 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [9575] [2023-11-19 04:10:50,336 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [10168] [2023-11-19 04:10:50,352 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [10432] [2023-11-19 04:10:50,513 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [14700] [2023-11-19 04:10:50,532 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [15321] [2023-11-19 04:10:50,588 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_e227600c-d0b8-4ae5-86f6-0078bc8d27e4/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] [2023-11-19 04:10:50,592 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_e227600c-d0b8-4ae5-86f6-0078bc8d27e4/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] [2023-11-19 04:10:50,592 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_e227600c-d0b8-4ae5-86f6-0078bc8d27e4/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] [2023-11-19 04:10:50,593 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_e227600c-d0b8-4ae5-86f6-0078bc8d27e4/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] [2023-11-19 04:10:50,606 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:10:50,839 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:10:50,848 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:10:50,850 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:10:50 WrapperNode [2023-11-19 04:10:50,850 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:10:50,851 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:10:50,852 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:10:50,852 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:10:50,862 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:10:50" (1/1) ... [2023-11-19 04:10:51,038 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:10:50" (1/1) ... [2023-11-19 04:10:51,520 INFO L138 Inliner]: procedures = 460, calls = 5234, calls flagged for inlining = 269, calls inlined = 252, statements flattened = 13730 [2023-11-19 04:10:51,521 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:10:51,522 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:10:51,522 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:10:51,522 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:10:51,533 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:10:50" (1/1) ... [2023-11-19 04:10:51,533 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:10:50" (1/1) ... [2023-11-19 04:10:51,609 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:10:50" (1/1) ... [2023-11-19 04:10:51,610 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:10:50" (1/1) ... [2023-11-19 04:10:52,012 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:10:50" (1/1) ... [2023-11-19 04:10:52,062 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:10:50" (1/1) ... [2023-11-19 04:10:52,110 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:10:50" (1/1) ... [2023-11-19 04:10:52,214 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:10:50" (1/1) ... [2023-11-19 04:10:52,325 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:10:52,327 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:10:52,327 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:10:52,327 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:10:52,328 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:10:50" (1/1) ... [2023-11-19 04:10:52,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:10:52,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e227600c-d0b8-4ae5-86f6-0078bc8d27e4/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:10:52,367 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e227600c-d0b8-4ae5-86f6-0078bc8d27e4/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:10:52,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e227600c-d0b8-4ae5-86f6-0078bc8d27e4/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:10:52,415 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_up [2023-11-19 04:10:52,416 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_up [2023-11-19 04:10:52,416 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_media_task [2023-11-19 04:10:52,417 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_media_task [2023-11-19 04:10:52,417 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-19 04:10:52,417 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-19 04:10:52,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 04:10:52,417 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 04:10:52,417 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-11-19 04:10:52,418 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-11-19 04:10:52,418 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-19 04:10:52,418 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-19 04:10:52,418 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_select_media [2023-11-19 04:10:52,418 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_select_media [2023-11-19 04:10:52,418 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit_le [2023-11-19 04:10:52,419 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit_le [2023-11-19 04:10:52,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 04:10:52,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 04:10:52,419 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-19 04:10:52,419 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-19 04:10:52,419 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-19 04:10:52,420 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-19 04:10:52,420 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2023-11-19 04:10:52,420 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2023-11-19 04:10:52,420 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-19 04:10:52,420 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-19 04:10:52,420 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2023-11-19 04:10:52,420 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2023-11-19 04:10:52,421 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2023-11-19 04:10:52,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2023-11-19 04:10:52,421 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-19 04:10:52,422 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-19 04:10:52,422 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2023-11-19 04:10:52,422 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2023-11-19 04:10:52,423 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-19 04:10:52,423 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-19 04:10:52,424 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2023-11-19 04:10:52,424 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2023-11-19 04:10:52,424 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-19 04:10:52,424 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-19 04:10:52,424 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-19 04:10:52,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-19 04:10:52,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-19 04:10:52,425 INFO L130 BoogieDeclarations]: Found specification of procedure pnic_do_nway [2023-11-19 04:10:52,426 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic_do_nway [2023-11-19 04:10:52,426 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-19 04:10:52,426 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-19 04:10:52,426 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2023-11-19 04:10:52,427 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2023-11-19 04:10:52,427 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-19 04:10:52,427 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-19 04:10:52,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-19 04:10:52,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-19 04:10:52,427 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-19 04:10:52,427 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-19 04:10:52,428 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-19 04:10:52,428 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-19 04:10:52,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:10:52,429 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_set_wolopts [2023-11-19 04:10:52,429 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_set_wolopts [2023-11-19 04:10:52,429 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_resume [2023-11-19 04:10:52,429 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_resume [2023-11-19 04:10:52,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2023-11-19 04:10:52,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2023-11-19 04:10:52,430 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_interrupt [2023-11-19 04:10:52,430 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_interrupt [2023-11-19 04:10:52,430 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-19 04:10:52,430 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-19 04:10:52,430 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-19 04:10:52,430 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-19 04:10:52,431 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___3 [2023-11-19 04:10:52,431 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___3 [2023-11-19 04:10:52,431 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___1 [2023-11-19 04:10:52,431 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___1 [2023-11-19 04:10:52,431 INFO L130 BoogieDeclarations]: Found specification of procedure t21142_media_task [2023-11-19 04:10:52,431 INFO L138 BoogieDeclarations]: Found implementation of procedure t21142_media_task [2023-11-19 04:10:52,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 04:10:52,432 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___4 [2023-11-19 04:10:52,432 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___4 [2023-11-19 04:10:52,432 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-19 04:10:52,432 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-19 04:10:52,433 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-19 04:10:52,433 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-19 04:10:52,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 04:10:52,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-19 04:10:52,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-19 04:10:52,434 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-19 04:10:52,434 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-19 04:10:52,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:10:52,434 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2023-11-19 04:10:52,434 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2023-11-19 04:10:52,435 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-19 04:10:52,435 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-19 04:10:52,436 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 04:10:52,436 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 04:10:52,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-19 04:10:52,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-19 04:10:52,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-19 04:10:52,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-19 04:10:52,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-19 04:10:52,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-19 04:10:52,437 INFO L130 BoogieDeclarations]: Found specification of procedure pnic_timer [2023-11-19 04:10:52,437 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic_timer [2023-11-19 04:10:52,437 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-19 04:10:52,438 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-19 04:10:52,438 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-19 04:10:52,439 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-19 04:10:52,439 INFO L130 BoogieDeclarations]: Found specification of procedure poll_tulip [2023-11-19 04:10:52,440 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_tulip [2023-11-19 04:10:52,440 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_mdio_write [2023-11-19 04:10:52,440 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_mdio_write [2023-11-19 04:10:52,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:10:52,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-19 04:10:52,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-19 04:10:52,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-19 04:10:52,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-19 04:10:52,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2023-11-19 04:10:52,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2023-11-19 04:10:52,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2023-11-19 04:10:52,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2023-11-19 04:10:52,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:10:52,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-19 04:10:52,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-19 04:10:52,446 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-19 04:10:52,447 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-19 04:10:52,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 04:10:52,448 INFO L130 BoogieDeclarations]: Found specification of procedure t21142_start_nway [2023-11-19 04:10:52,448 INFO L138 BoogieDeclarations]: Found implementation of procedure t21142_start_nway [2023-11-19 04:10:52,449 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2023-11-19 04:10:52,454 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2023-11-19 04:10:52,454 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2023-11-19 04:10:52,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2023-11-19 04:10:52,455 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 04:10:52,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 04:10:52,455 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-19 04:10:52,455 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-19 04:10:52,455 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-19 04:10:52,456 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-19 04:10:52,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-19 04:10:52,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-19 04:10:52,456 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-19 04:10:52,456 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-19 04:10:52,456 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-11-19 04:10:52,456 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-11-19 04:10:52,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:10:52,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:10:52,457 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_close [2023-11-19 04:10:52,457 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_close [2023-11-19 04:10:52,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 04:10:52,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 04:10:52,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 04:10:52,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 04:10:52,458 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2023-11-19 04:10:52,458 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2023-11-19 04:10:52,458 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2023-11-19 04:10:52,458 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2023-11-19 04:10:52,458 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_set_power_state [2023-11-19 04:10:52,458 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_set_power_state [2023-11-19 04:10:52,459 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-19 04:10:52,459 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-19 04:10:52,459 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_tulip_cleanup_19_2 [2023-11-19 04:10:52,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_tulip_cleanup_19_2 [2023-11-19 04:10:52,459 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2023-11-19 04:10:52,459 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2023-11-19 04:10:52,460 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-19 04:10:52,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-19 04:10:52,460 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_tx_timeout [2023-11-19 04:10:52,460 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_tx_timeout [2023-11-19 04:10:52,460 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_check_duplex [2023-11-19 04:10:52,460 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_check_duplex [2023-11-19 04:10:52,460 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-19 04:10:52,460 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-19 04:10:52,461 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2023-11-19 04:10:52,461 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2023-11-19 04:10:52,461 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2023-11-19 04:10:52,461 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2023-11-19 04:10:52,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 04:10:52,461 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 04:10:52,461 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-19 04:10:52,462 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-19 04:10:52,462 INFO L130 BoogieDeclarations]: Found specification of procedure comet_timer [2023-11-19 04:10:52,462 INFO L138 BoogieDeclarations]: Found implementation of procedure comet_timer [2023-11-19 04:10:52,462 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2023-11-19 04:10:52,462 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2023-11-19 04:10:52,462 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-19 04:10:52,462 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-19 04:10:52,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:10:52,463 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_mdio_read [2023-11-19 04:10:52,463 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_mdio_read [2023-11-19 04:10:52,463 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-19 04:10:52,463 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-19 04:10:52,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 04:10:52,463 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-11-19 04:10:52,463 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-11-19 04:10:52,464 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2023-11-19 04:10:52,464 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2023-11-19 04:10:52,464 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_mwi [2023-11-19 04:10:52,464 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_mwi [2023-11-19 04:10:52,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 04:10:52,464 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 04:10:52,464 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 04:10:52,465 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_down [2023-11-19 04:10:52,465 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_down [2023-11-19 04:10:52,465 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_stop_rxtx___2 [2023-11-19 04:10:52,465 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_stop_rxtx___2 [2023-11-19 04:10:52,465 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-19 04:10:52,465 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-19 04:10:52,465 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-19 04:10:52,466 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-19 04:10:52,466 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_remove_one [2023-11-19 04:10:52,466 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_remove_one [2023-11-19 04:10:52,466 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-19 04:10:52,466 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-19 04:10:52,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2023-11-19 04:10:52,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2023-11-19 04:10:52,467 INFO L130 BoogieDeclarations]: Found specification of procedure mxic_timer [2023-11-19 04:10:52,467 INFO L138 BoogieDeclarations]: Found implementation of procedure mxic_timer [2023-11-19 04:10:52,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-19 04:10:52,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-19 04:10:52,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-19 04:10:52,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-19 04:10:52,467 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_free_ring [2023-11-19 04:10:52,467 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_free_ring [2023-11-19 04:10:52,468 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2023-11-19 04:10:52,468 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2023-11-19 04:10:52,468 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_refill_rx [2023-11-19 04:10:52,468 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_refill_rx [2023-11-19 04:10:52,468 INFO L130 BoogieDeclarations]: Found specification of procedure pnic2_timer [2023-11-19 04:10:52,468 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic2_timer [2023-11-19 04:10:52,468 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-19 04:10:52,469 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-19 04:10:52,469 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-19 04:10:52,469 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-19 04:10:52,469 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-11-19 04:10:52,469 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-11-19 04:10:52,469 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-19 04:10:52,469 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-19 04:10:52,470 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 04:10:52,470 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 04:10:52,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:10:52,470 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx [2023-11-19 04:10:52,470 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx [2023-11-19 04:10:52,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 04:10:52,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 04:10:52,470 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2023-11-19 04:10:52,471 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2023-11-19 04:10:52,472 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_start_rxtx [2023-11-19 04:10:52,475 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_start_rxtx [2023-11-19 04:10:52,476 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-19 04:10:52,476 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-19 04:10:52,476 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_open [2023-11-19 04:10:52,476 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_open [2023-11-19 04:10:52,476 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2023-11-19 04:10:52,476 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2023-11-19 04:10:52,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-19 04:10:52,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-19 04:10:52,477 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2023-11-19 04:10:52,479 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2023-11-19 04:10:52,479 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2023-11-19 04:10:52,479 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2023-11-19 04:10:52,479 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2023-11-19 04:10:52,479 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2023-11-19 04:10:52,479 INFO L130 BoogieDeclarations]: Found specification of procedure pnic2_start_nway [2023-11-19 04:10:52,480 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic2_start_nway [2023-11-19 04:10:52,480 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-19 04:10:52,480 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-19 04:10:52,480 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_read_eeprom [2023-11-19 04:10:52,480 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_read_eeprom [2023-11-19 04:10:52,480 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-19 04:10:52,480 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-19 04:10:52,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:10:52,481 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_timer [2023-11-19 04:10:52,481 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_timer [2023-11-19 04:10:52,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-19 04:10:52,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-19 04:10:53,938 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:10:53,950 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:10:55,724 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 04:11:08,437 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-19 04:11:08,762 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:11:18,799 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:11:18,801 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 04:11:18,830 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:11:18 BoogieIcfgContainer [2023-11-19 04:11:18,830 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:11:18,834 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:11:18,834 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:11:18,838 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:11:18,838 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:10:45" (1/3) ... [2023-11-19 04:11:18,840 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@85b9871 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:11:18, skipping insertion in model container [2023-11-19 04:11:18,841 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:10:50" (2/3) ... [2023-11-19 04:11:18,842 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@85b9871 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:11:18, skipping insertion in model container [2023-11-19 04:11:18,842 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:11:18" (3/3) ... [2023-11-19 04:11:18,843 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-dec-tulip-tulip.cil.i [2023-11-19 04:11:18,867 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:11:18,868 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-19 04:11:19,013 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:11:19,020 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;@25296888, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:11:19,020 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-19 04:11:19,037 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) [2023-11-19 04:11:19,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-11-19 04:11:19,066 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:11:19,067 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] [2023-11-19 04:11:19,067 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:11:19,073 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:11:19,074 INFO L85 PathProgramCache]: Analyzing trace with hash -1673688088, now seen corresponding path program 1 times [2023-11-19 04:11:19,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:11:19,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709821154] [2023-11-19 04:11:19,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:11:19,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:11:19,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:11:20,820 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 650 trivial. 0 not checked. [2023-11-19 04:11:20,821 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:11:20,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709821154] [2023-11-19 04:11:20,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1709821154] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:11:20,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:11:20,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:11:20,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521671160] [2023-11-19 04:11:20,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:11:20,832 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:11:20,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:11:20,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:11:20,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:11:20,887 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)