./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-ti-tlan.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 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_44b99562-7590-43bd-9e70-7d81a96949ac/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b99562-7590-43bd-9e70-7d81a96949ac/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_44b99562-7590-43bd-9e70-7d81a96949ac/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b99562-7590-43bd-9e70-7d81a96949ac/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-ti-tlan.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b99562-7590-43bd-9e70-7d81a96949ac/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_44b99562-7590-43bd-9e70-7d81a96949ac/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 cac198808750b06b4323badfd457155abf5b06080e3172b359793331e4f6845f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:29:28,780 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:29:28,850 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b99562-7590-43bd-9e70-7d81a96949ac/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:29:28,856 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:29:28,857 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:29:28,884 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:29:28,885 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:29:28,886 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:29:28,887 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:29:28,887 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:29:28,888 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:29:28,889 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:29:28,890 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:29:28,890 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:29:28,891 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:29:28,892 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:29:28,892 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:29:28,893 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:29:28,894 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:29:28,895 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:29:28,895 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:29:28,896 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:29:28,897 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:29:28,898 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:29:28,899 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:29:28,899 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:29:28,900 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:29:28,917 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:29:28,918 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:29:28,918 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:29:28,919 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:29:28,920 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:29:28,921 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:29:28,921 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:29:28,921 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:29:28,922 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:29:28,922 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:29:28,923 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:29:28,923 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:29:28,924 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:29:28,925 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:29:28,925 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:29:28,926 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:29:28,926 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:29:28,927 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_44b99562-7590-43bd-9e70-7d81a96949ac/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b99562-7590-43bd-9e70-7d81a96949ac/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cac198808750b06b4323badfd457155abf5b06080e3172b359793331e4f6845f [2023-11-23 21:29:29,273 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:29:29,294 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:29:29,297 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:29:29,298 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:29:29,298 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:29:29,300 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b99562-7590-43bd-9e70-7d81a96949ac/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-ti-tlan.cil.i [2023-11-23 21:29:32,482 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:29:33,134 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:29:33,135 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b99562-7590-43bd-9e70-7d81a96949ac/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-ti-tlan.cil.i [2023-11-23 21:29:33,191 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b99562-7590-43bd-9e70-7d81a96949ac/bin/utaipan-verify-mE87zJ7Ire/data/3f149b6b3/1e2bf10750de4cbbb77d06f393427530/FLAGd3615bb82 [2023-11-23 21:29:33,211 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b99562-7590-43bd-9e70-7d81a96949ac/bin/utaipan-verify-mE87zJ7Ire/data/3f149b6b3/1e2bf10750de4cbbb77d06f393427530 [2023-11-23 21:29:33,219 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:29:33,221 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:29:33,224 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:29:33,224 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:29:33,229 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:29:33,230 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:29:33" (1/1) ... [2023-11-23 21:29:33,230 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49828d99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:33, skipping insertion in model container [2023-11-23 21:29:33,231 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:29:33" (1/1) ... [2023-11-23 21:29:33,466 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:29:36,346 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_44b99562-7590-43bd-9e70-7d81a96949ac/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-ti-tlan.cil.i[314606,314619] [2023-11-23 21:29:36,351 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_44b99562-7590-43bd-9e70-7d81a96949ac/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-ti-tlan.cil.i[314753,314766] [2023-11-23 21:29:36,352 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_44b99562-7590-43bd-9e70-7d81a96949ac/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-ti-tlan.cil.i[314892,314905] [2023-11-23 21:29:36,352 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_44b99562-7590-43bd-9e70-7d81a96949ac/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-ti-tlan.cil.i[315050,315063] [2023-11-23 21:29:36,379 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:29:36,440 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:29:36,645 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"); [5335] [2023-11-23 21:29:36,646 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)); [5342] [2023-11-23 21:29:36,647 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5349] [2023-11-23 21:29:36,649 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)); [5403-5404] [2023-11-23 21:29:36,650 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"); [5409-5411] [2023-11-23 21:29:36,651 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (__preempt_count)); [5448] [2023-11-23 21:29:36,651 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [5451] [2023-11-23 21:29:36,651 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [5454] [2023-11-23 21:29:36,652 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [5457] [2023-11-23 21:29:36,654 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [5546] [2023-11-23 21:29:36,654 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5554] [2023-11-23 21:29:36,655 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outw %w0, %w1": : "a" (value), "Nd" (port)); [5584] [2023-11-23 21:29:36,656 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inw %w1, %w0": "=a" (value): "Nd" (port)); [5592] [2023-11-23 21:29:36,656 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outl %0, %w1": : "a" (value), "Nd" (port)); [5599] [2023-11-23 21:29:36,657 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inl %w1, %0": "=a" (value): "Nd" (port)); [5607] [2023-11-23 21:29:36,670 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)); [5675-5676] [2023-11-23 21:29:36,673 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)); [5709-5710] [2023-11-23 21:29:36,990 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_44b99562-7590-43bd-9e70-7d81a96949ac/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-ti-tlan.cil.i[314606,314619] [2023-11-23 21:29:36,991 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_44b99562-7590-43bd-9e70-7d81a96949ac/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-ti-tlan.cil.i[314753,314766] [2023-11-23 21:29:36,992 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_44b99562-7590-43bd-9e70-7d81a96949ac/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-ti-tlan.cil.i[314892,314905] [2023-11-23 21:29:36,994 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_44b99562-7590-43bd-9e70-7d81a96949ac/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-ti-tlan.cil.i[315050,315063] [2023-11-23 21:29:37,005 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:29:37,219 WARN L675 CHandler]: The function __request_region is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:29:37,220 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:29:37,228 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:29:37,229 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:37 WrapperNode [2023-11-23 21:29:37,230 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:29:37,231 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:29:37,231 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:29:37,231 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:29:37,240 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:37" (1/1) ... [2023-11-23 21:29:37,392 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:37" (1/1) ... [2023-11-23 21:29:37,705 INFO L138 Inliner]: procedures = 351, calls = 2181, calls flagged for inlining = 196, calls inlined = 190, statements flattened = 6213 [2023-11-23 21:29:37,706 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:29:37,707 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:29:37,707 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:29:37,707 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:29:37,718 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:37" (1/1) ... [2023-11-23 21:29:37,718 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:37" (1/1) ... [2023-11-23 21:29:37,765 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:37" (1/1) ... [2023-11-23 21:29:37,769 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:37" (1/1) ... [2023-11-23 21:29:37,949 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:37" (1/1) ... [2023-11-23 21:29:38,057 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:37" (1/1) ... [2023-11-23 21:29:38,091 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:37" (1/1) ... [2023-11-23 21:29:38,109 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:37" (1/1) ... [2023-11-23 21:29:38,149 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:29:38,151 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:29:38,151 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:29:38,151 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:29:38,152 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:37" (1/1) ... [2023-11-23 21:29:38,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:29:38,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b99562-7590-43bd-9e70-7d81a96949ac/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:29:38,190 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b99562-7590-43bd-9e70-7d81a96949ac/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:29:38,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b99562-7590-43bd-9e70-7d81a96949ac/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:29:38,249 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_resume [2023-11-23 21:29:38,249 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_resume [2023-11-23 21:29:38,250 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2023-11-23 21:29:38,250 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2023-11-23 21:29:38,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-23 21:29:38,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-23 21:29:38,251 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-23 21:29:38,251 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-23 21:29:38,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-23 21:29:38,252 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-23 21:29:38,253 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_exit [2023-11-23 21:29:38,253 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_exit [2023-11-23 21:29:38,253 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-23 21:29:38,253 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-23 21:29:38,253 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_mii_write_reg [2023-11-23 21:29:38,254 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_mii_write_reg [2023-11-23 21:29:38,254 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-23 21:29:38,254 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-23 21:29:38,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 21:29:38,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 21:29:38,255 INFO L130 BoogieDeclarations]: Found specification of procedure slow_down_io [2023-11-23 21:29:38,255 INFO L138 BoogieDeclarations]: Found implementation of procedure slow_down_io [2023-11-23 21:29:38,255 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_handle_interrupt [2023-11-23 21:29:38,255 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_handle_interrupt [2023-11-23 21:29:38,255 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_start [2023-11-23 21:29:38,255 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_start [2023-11-23 21:29:38,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-23 21:29:38,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-23 21:29:38,256 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_read8 [2023-11-23 21:29:38,256 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_read8 [2023-11-23 21:29:38,256 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-23 21:29:38,256 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-23 21:29:38,257 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-23 21:29:38,257 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-23 21:29:38,257 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_read_and_clear_stats [2023-11-23 21:29:38,257 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_read_and_clear_stats [2023-11-23 21:29:38,258 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-23 21:29:38,259 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-23 21:29:38,259 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2023-11-23 21:29:38,260 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2023-11-23 21:29:38,260 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-23 21:29:38,260 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-23 21:29:38,260 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_mii_sync [2023-11-23 21:29:38,260 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_mii_sync [2023-11-23 21:29:38,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:29:38,261 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_set_multicast_list [2023-11-23 21:29:38,261 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_set_multicast_list [2023-11-23 21:29:38,261 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-23 21:29:38,262 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-23 21:29:38,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_29 [2023-11-23 21:29:38,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_29 [2023-11-23 21:29:38,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:29:38,262 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-23 21:29:38,263 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-23 21:29:38,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-23 21:29:38,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-23 21:29:38,263 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-11-23 21:29:38,263 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-11-23 21:29:38,263 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-23 21:29:38,264 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-23 21:29:38,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-23 21:29:38,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-23 21:29:38,265 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_eisa_cleanup [2023-11-23 21:29:38,266 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_eisa_cleanup [2023-11-23 21:29:38,266 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-23 21:29:38,266 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-23 21:29:38,266 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-23 21:29:38,266 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-23 21:29:38,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:29:38,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 21:29:38,267 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-23 21:29:38,267 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-23 21:29:38,267 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_print_list [2023-11-23 21:29:38,267 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_print_list [2023-11-23 21:29:38,267 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-23 21:29:38,267 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-23 21:29:38,268 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_write16 [2023-11-23 21:29:38,268 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_write16 [2023-11-23 21:29:38,268 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2023-11-23 21:29:38,268 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2023-11-23 21:29:38,268 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-23 21:29:38,269 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-23 21:29:38,269 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-11-23 21:29:38,269 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-11-23 21:29:38,270 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-23 21:29:38,270 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-23 21:29:38,270 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2023-11-23 21:29:38,270 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2023-11-23 21:29:38,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-23 21:29:38,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-23 21:29:38,271 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2023-11-23 21:29:38,271 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2023-11-23 21:29:38,271 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_reset_lists [2023-11-23 21:29:38,272 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_reset_lists [2023-11-23 21:29:38,273 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_finish_reset [2023-11-23 21:29:38,273 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_finish_reset [2023-11-23 21:29:38,273 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_close [2023-11-23 21:29:38,273 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_close [2023-11-23 21:29:38,273 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-23 21:29:38,273 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-23 21:29:38,273 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_phy_print [2023-11-23 21:29:38,274 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_phy_print [2023-11-23 21:29:38,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2023-11-23 21:29:38,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2023-11-23 21:29:38,274 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_write32 [2023-11-23 21:29:38,274 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_write32 [2023-11-23 21:29:38,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver [2023-11-23 21:29:38,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver [2023-11-23 21:29:38,275 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_probe1 [2023-11-23 21:29:38,275 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_probe1 [2023-11-23 21:29:38,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-23 21:29:38,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-23 21:29:38,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:29:38,276 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-23 21:29:38,277 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-23 21:29:38,278 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-23 21:29:38,278 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-23 21:29:38,278 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-23 21:29:38,278 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-23 21:29:38,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-23 21:29:38,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-23 21:29:38,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-23 21:29:38,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-23 21:29:38,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-23 21:29:38,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-23 21:29:38,284 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_set_timer [2023-11-23 21:29:38,284 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_set_timer [2023-11-23 21:29:38,285 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_stop [2023-11-23 21:29:38,286 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_stop [2023-11-23 21:29:38,287 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_set_mac [2023-11-23 21:29:38,287 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_set_mac [2023-11-23 21:29:38,287 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-11-23 21:29:38,293 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-11-23 21:29:38,293 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_ee_send_start [2023-11-23 21:29:38,293 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_ee_send_start [2023-11-23 21:29:38,293 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_read32 [2023-11-23 21:29:38,293 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_read32 [2023-11-23 21:29:38,294 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-23 21:29:38,294 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-23 21:29:38,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:29:38,295 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-23 21:29:38,295 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-23 21:29:38,295 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_remove_one [2023-11-23 21:29:38,295 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_remove_one [2023-11-23 21:29:38,295 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_get_skb [2023-11-23 21:29:38,295 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_get_skb [2023-11-23 21:29:38,295 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_write8 [2023-11-23 21:29:38,295 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_write8 [2023-11-23 21:29:38,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 21:29:38,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 21:29:38,296 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_phy_power_down [2023-11-23 21:29:38,296 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_phy_power_down [2023-11-23 21:29:38,296 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_ee_send_byte [2023-11-23 21:29:38,296 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_ee_send_byte [2023-11-23 21:29:38,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:29:38,297 INFO L130 BoogieDeclarations]: Found specification of procedure inb_p [2023-11-23 21:29:38,297 INFO L138 BoogieDeclarations]: Found implementation of procedure inb_p [2023-11-23 21:29:38,297 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~VOID [2023-11-23 21:29:38,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~VOID [2023-11-23 21:29:38,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-23 21:29:38,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-23 21:29:38,298 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_poll [2023-11-23 21:29:38,298 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_poll [2023-11-23 21:29:38,298 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-11-23 21:29:38,298 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-11-23 21:29:38,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:29:38,298 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_reset_adapter [2023-11-23 21:29:38,299 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_reset_adapter [2023-11-23 21:29:38,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-23 21:29:38,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-23 21:29:38,299 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-23 21:29:38,299 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-23 21:29:38,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:29:38,299 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-23 21:29:38,299 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:29:38,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:29:38,300 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_mii_send_data [2023-11-23 21:29:38,300 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_mii_send_data [2023-11-23 21:29:38,300 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_mii_read_reg [2023-11-23 21:29:38,300 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_mii_read_reg [2023-11-23 21:29:38,300 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_free_lists [2023-11-23 21:29:38,300 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_free_lists [2023-11-23 21:29:38,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-23 21:29:38,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-23 21:29:38,301 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_open [2023-11-23 21:29:38,301 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_open [2023-11-23 21:29:38,301 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-23 21:29:38,301 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-23 21:29:38,301 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-23 21:29:38,302 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-23 21:29:38,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_stop_11_2 [2023-11-23 21:29:38,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_stop_11_2 [2023-11-23 21:29:38,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-23 21:29:38,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-23 21:29:38,302 INFO L130 BoogieDeclarations]: Found specification of procedure outb_p [2023-11-23 21:29:38,302 INFO L138 BoogieDeclarations]: Found implementation of procedure outb_p [2023-11-23 21:29:38,302 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-11-23 21:29:38,303 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-11-23 21:29:38,303 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2023-11-23 21:29:38,303 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2023-11-23 21:29:38,303 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_store_skb [2023-11-23 21:29:38,303 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_store_skb [2023-11-23 21:29:38,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:29:38,303 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2023-11-23 21:29:38,304 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_tx_timeout [2023-11-23 21:29:38,304 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_tx_timeout [2023-11-23 21:29:38,304 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2023-11-23 21:29:38,304 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2023-11-23 21:29:38,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-23 21:29:38,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-23 21:29:38,304 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2023-11-23 21:29:38,305 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2023-11-23 21:29:38,305 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_phy_detect [2023-11-23 21:29:38,305 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_phy_detect [2023-11-23 21:29:38,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:29:38,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:29:38,305 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2023-11-23 21:29:38,305 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2023-11-23 21:29:39,221 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:29:39,226 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:29:40,374 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-23 21:29:45,657 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint tlan_eisa_probe_case_32#1: tlan_eisa_probe_~irq~0#1 := 9; [2023-11-23 21:29:45,658 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6987: assume -2147483648 <= tlan_eisa_probe_#t~ret368#1 && tlan_eisa_probe_#t~ret368#1 <= 2147483647;tlan_eisa_probe_~rc~2#1 := tlan_eisa_probe_#t~ret368#1;havoc tlan_eisa_probe_#t~ret368#1; [2023-11-23 21:29:45,658 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6993-1: assume -2147483648 <= tlan_eisa_probe_#t~ret369#1 && tlan_eisa_probe_#t~ret369#1 <= 2147483647;havoc tlan_eisa_probe_#t~ret369#1; [2023-11-23 21:29:45,658 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6993: SUMMARY for call tlan_eisa_probe_#t~ret369#1 := printk(47, 0); srcloc: null [2023-11-23 21:29:45,658 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6999-1: tlan_eisa_probe_~ioaddr~0#1 := 4096 + tlan_eisa_probe_~ioaddr~0#1; [2023-11-23 21:29:45,659 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7001-1: assume -2147483648 <= tlan_eisa_probe_#t~ret370#1 && tlan_eisa_probe_#t~ret370#1 <= 2147483647;havoc tlan_eisa_probe_#t~ret370#1; [2023-11-23 21:29:45,659 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7001: SUMMARY for call tlan_eisa_probe_#t~ret370#1 := printk(48, 0); srcloc: null [2023-11-23 21:29:45,659 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7008: assume tlan_eisa_probe_~ioaddr~0#1 <= 36863; [2023-11-23 21:29:45,659 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7008: assume !(tlan_eisa_probe_~ioaddr~0#1 <= 36863); [2023-11-23 21:29:45,659 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6884-1: assume 16 == ~debug~0;tlan_eisa_probe_#t~nondet354#1 := ~debug~0; [2023-11-23 21:29:45,660 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6884-1: assume !(16 == ~debug~0);assume ~debug~0 < 0 || tlan_eisa_probe_#t~nondet354#1 <= ~debug~0;assume tlan_eisa_probe_#t~nondet354#1 <= 16;assume tlan_eisa_probe_#t~nondet354#1 >= 0;assume ~debug~0 >= 0 || tlan_eisa_probe_#t~nondet354#1 > 16 + ~debug~0;assume tlan_eisa_probe_#t~nondet354#1 >= -2147483648; [2023-11-23 21:29:45,660 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6884-5: assume 0 == ~debug~0;tlan_eisa_probe_#t~nondet357#1 := 0; [2023-11-23 21:29:45,660 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6884-5: assume !(0 == ~debug~0); [2023-11-23 21:29:45,660 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6884-3: assume 0 != tlan_eisa_probe_#t~nondet354#1;havoc tlan_eisa_probe_#t~nondet354#1; [2023-11-23 21:29:45,660 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6884-3: assume !(0 != tlan_eisa_probe_#t~nondet354#1);havoc tlan_eisa_probe_#t~nondet354#1; [2023-11-23 21:29:45,661 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: SUMMARY for call tlan_eisa_probe_#t~ret355#1 := inw((if (3200 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 <= 2147483647 then (3200 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 else (3200 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 - 4294967296)); srcloc: null [2023-11-23 21:29:45,661 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886-1: tlan_eisa_probe_~tmp~35#1 := tlan_eisa_probe_#t~ret355#1;havoc tlan_eisa_probe_#t~ret355#1; [2023-11-23 21:29:45,661 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6887-1: assume -2147483648 <= tlan_eisa_probe_#t~ret356#1 && tlan_eisa_probe_#t~ret356#1 <= 2147483647;havoc tlan_eisa_probe_#t~ret356#1; [2023-11-23 21:29:45,661 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6887: SUMMARY for call tlan_eisa_probe_#t~ret356#1 := printk(43, 0); srcloc: null [2023-11-23 21:29:45,661 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6891-1: assume 16 == ~debug~0;tlan_eisa_probe_#t~nondet357#1 := ~debug~0; [2023-11-23 21:29:45,662 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6891-1: assume !(16 == ~debug~0);assume ~debug~0 < 0 || tlan_eisa_probe_#t~nondet357#1 <= ~debug~0;assume tlan_eisa_probe_#t~nondet357#1 <= 16;assume tlan_eisa_probe_#t~nondet357#1 >= 0;assume ~debug~0 >= 0 || tlan_eisa_probe_#t~nondet357#1 > 16 + ~debug~0;assume tlan_eisa_probe_#t~nondet357#1 >= -2147483648; [2023-11-23 21:29:45,662 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6891-5: assume 0 == ~debug~0;tlan_eisa_probe_#t~nondet360#1 := 0; [2023-11-23 21:29:45,662 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6891-5: assume !(0 == ~debug~0); [2023-11-23 21:29:45,662 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6891-3: assume 0 != tlan_eisa_probe_#t~nondet357#1;havoc tlan_eisa_probe_#t~nondet357#1; [2023-11-23 21:29:45,662 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6891-3: assume !(0 != tlan_eisa_probe_#t~nondet357#1);havoc tlan_eisa_probe_#t~nondet357#1; [2023-11-23 21:29:45,663 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6893-1: tlan_eisa_probe_~tmp___0~12#1 := tlan_eisa_probe_#t~ret358#1;havoc tlan_eisa_probe_#t~ret358#1; [2023-11-23 21:29:45,663 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6893: SUMMARY for call tlan_eisa_probe_#t~ret358#1 := inw((if (3202 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 <= 2147483647 then (3202 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 else (3202 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 - 4294967296)); srcloc: null [2023-11-23 21:29:45,663 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6894: SUMMARY for call tlan_eisa_probe_#t~ret359#1 := printk(44, 0); srcloc: null [2023-11-23 21:29:45,664 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6894-1: assume -2147483648 <= tlan_eisa_probe_#t~ret359#1 && tlan_eisa_probe_#t~ret359#1 <= 2147483647;havoc tlan_eisa_probe_#t~ret359#1; [2023-11-23 21:29:45,668 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6898-3: assume 0 != tlan_eisa_probe_#t~nondet360#1;havoc tlan_eisa_probe_#t~nondet360#1; [2023-11-23 21:29:45,668 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6898-3: assume !(0 != tlan_eisa_probe_#t~nondet360#1);havoc tlan_eisa_probe_#t~nondet360#1; [2023-11-23 21:29:45,669 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6898-1: assume 16 == ~debug~0;tlan_eisa_probe_#t~nondet360#1 := ~debug~0; [2023-11-23 21:29:45,669 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6898-1: assume !(16 == ~debug~0);assume ~debug~0 < 0 || tlan_eisa_probe_#t~nondet360#1 <= ~debug~0;assume tlan_eisa_probe_#t~nondet360#1 <= 16;assume tlan_eisa_probe_#t~nondet360#1 >= 0;assume ~debug~0 >= 0 || tlan_eisa_probe_#t~nondet360#1 > 16 + ~debug~0;assume tlan_eisa_probe_#t~nondet360#1 >= -2147483648; [2023-11-23 21:29:45,669 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6898-5: call tlan_eisa_probe_#t~ret362#1.base, tlan_eisa_probe_#t~ret362#1.offset := __request_region(~#ioport_resource~0.base, ~#ioport_resource~0.offset, tlan_eisa_probe_~ioaddr~0#1, 16, ~#tlan_signature~0.base, ~#tlan_signature~0.offset, 0);tlan_eisa_probe_~tmp___1~5#1.base, tlan_eisa_probe_~tmp___1~5#1.offset := tlan_eisa_probe_#t~ret362#1.base, tlan_eisa_probe_#t~ret362#1.offset;havoc tlan_eisa_probe_#t~ret362#1.base, tlan_eisa_probe_#t~ret362#1.offset; [2023-11-23 21:29:45,675 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-23 21:29:45,676 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6900-1: assume -2147483648 <= tlan_eisa_probe_#t~ret361#1 && tlan_eisa_probe_#t~ret361#1 <= 2147483647;havoc tlan_eisa_probe_#t~ret361#1; [2023-11-23 21:29:45,676 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6900: SUMMARY for call tlan_eisa_probe_#t~ret361#1 := printk(45, 0); srcloc: null [2023-11-23 21:29:45,676 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6908: assume 0 == (tlan_eisa_probe_~tmp___1~5#1.base + tlan_eisa_probe_~tmp___1~5#1.offset) % 18446744073709551616; [2023-11-23 21:29:45,677 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6908: assume !(0 == (tlan_eisa_probe_~tmp___1~5#1.base + tlan_eisa_probe_~tmp___1~5#1.offset) % 18446744073709551616); [2023-11-23 21:29:45,679 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6913-1: tlan_eisa_probe_~tmp___2~2#1 := tlan_eisa_probe_#t~ret363#1;havoc tlan_eisa_probe_#t~ret363#1; [2023-11-23 21:29:45,679 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6913: SUMMARY for call tlan_eisa_probe_#t~ret363#1 := inw((if (3200 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 <= 2147483647 then (3200 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 else (3200 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 - 4294967296)); srcloc: null [2023-11-23 21:29:45,679 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6915: assume 4366 != tlan_eisa_probe_~tmp___2~2#1 % 65536 % 4294967296; [2023-11-23 21:29:45,680 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6915: assume !(4366 != tlan_eisa_probe_~tmp___2~2#1 % 65536 % 4294967296); [2023-11-23 21:29:45,680 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6917: SUMMARY for call __release_region(~#ioport_resource~0.base, ~#ioport_resource~0.offset, tlan_eisa_probe_~ioaddr~0#1, 16); srcloc: null [2023-11-23 21:29:45,680 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint tlan_eisa_probe_ldv_43247#1: SUMMARY for call tlan_eisa_probe_#t~ret368#1 := tlan_probe1(0, 0, tlan_eisa_probe_~ioaddr~0#1, tlan_eisa_probe_~irq~0#1, 12, 0, 0); srcloc: null [2023-11-23 21:29:45,680 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6923-1: tlan_eisa_probe_~device_id~1#1 := tlan_eisa_probe_#t~ret364#1;havoc tlan_eisa_probe_#t~ret364#1; [2023-11-23 21:29:45,680 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6923: SUMMARY for call tlan_eisa_probe_#t~ret364#1 := inw((if (3202 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 <= 2147483647 then (3202 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 else (3202 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 - 4294967296)); srcloc: null [2023-11-23 21:29:45,681 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6925: assume 8433 != tlan_eisa_probe_~device_id~1#1 % 65536 % 4294967296 && 16625 != tlan_eisa_probe_~device_id~1#1 % 65536 % 4294967296; [2023-11-23 21:29:45,681 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6925: assume !(8433 != tlan_eisa_probe_~device_id~1#1 % 65536 % 4294967296 && 16625 != tlan_eisa_probe_~device_id~1#1 % 65536 % 4294967296); [2023-11-23 21:29:45,681 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6927: SUMMARY for call __release_region(~#ioport_resource~0.base, ~#ioport_resource~0.offset, tlan_eisa_probe_~ioaddr~0#1, 16); srcloc: null [2023-11-23 21:29:45,681 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint tlan_eisa_probe_case_128#1: tlan_eisa_probe_~irq~0#1 := 11; [2023-11-23 21:29:45,681 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6933-1: tlan_eisa_probe_~tmp___3~2#1 := tlan_eisa_probe_#t~ret365#1;havoc tlan_eisa_probe_#t~ret365#1; [2023-11-23 21:29:45,681 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6933: SUMMARY for call tlan_eisa_probe_#t~ret365#1 := inb((if (3204 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 <= 2147483647 then (3204 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 else (3204 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 - 4294967296)); srcloc: null [2023-11-23 21:29:45,682 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6935: assume 1 != tlan_eisa_probe_~tmp___3~2#1 % 256 % 4294967296; [2023-11-23 21:29:45,682 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6935: assume !(1 != tlan_eisa_probe_~tmp___3~2#1 % 256 % 4294967296); [2023-11-23 21:29:45,682 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6937: SUMMARY for call __release_region(~#ioport_resource~0.base, ~#ioport_resource~0.offset, tlan_eisa_probe_~ioaddr~0#1, 16); srcloc: null [2023-11-23 21:29:45,682 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6942: assume 16 == ~debug~0; [2023-11-23 21:29:45,682 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6942: assume !(16 == ~debug~0); [2023-11-23 21:29:45,682 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6942-2: SUMMARY for call tlan_eisa_probe_#t~ret367#1 := inb((if (3264 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 <= 2147483647 then (3264 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 else (3264 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 - 4294967296)); srcloc: null [2023-11-23 21:29:45,683 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6944-1: assume -2147483648 <= tlan_eisa_probe_#t~ret366#1 && tlan_eisa_probe_#t~ret366#1 <= 2147483647;havoc tlan_eisa_probe_#t~ret366#1; [2023-11-23 21:29:45,683 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6944: SUMMARY for call tlan_eisa_probe_#t~ret366#1 := printk(46, 0); srcloc: null [2023-11-23 21:29:45,683 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6949: tlan_eisa_probe_~tmp___4~0#1 := tlan_eisa_probe_#t~ret367#1;havoc tlan_eisa_probe_#t~ret367#1; [2023-11-23 21:29:45,683 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6952: assume 16 == (if tlan_eisa_probe_~tmp___4~0#1 % 256 % 4294967296 <= 2147483647 then tlan_eisa_probe_~tmp___4~0#1 % 256 % 4294967296 else tlan_eisa_probe_~tmp___4~0#1 % 256 % 4294967296 - 4294967296); [2023-11-23 21:29:45,683 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6952: assume !(16 == (if tlan_eisa_probe_~tmp___4~0#1 % 256 % 4294967296 <= 2147483647 then tlan_eisa_probe_~tmp___4~0#1 % 256 % 4294967296 else tlan_eisa_probe_~tmp___4~0#1 % 256 % 4294967296 - 4294967296)); [2023-11-23 21:29:45,683 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint tlan_eisa_probe_case_64#1: tlan_eisa_probe_~irq~0#1 := 10; [2023-11-23 21:29:45,684 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6956: assume 32 == (if tlan_eisa_probe_~tmp___4~0#1 % 256 % 4294967296 <= 2147483647 then tlan_eisa_probe_~tmp___4~0#1 % 256 % 4294967296 else tlan_eisa_probe_~tmp___4~0#1 % 256 % 4294967296 - 4294967296); [2023-11-23 21:29:45,684 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6956: assume !(32 == (if tlan_eisa_probe_~tmp___4~0#1 % 256 % 4294967296 <= 2147483647 then tlan_eisa_probe_~tmp___4~0#1 % 256 % 4294967296 else tlan_eisa_probe_~tmp___4~0#1 % 256 % 4294967296 - 4294967296)); [2023-11-23 21:29:45,684 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##98: assume !(16 == ~debug~0); [2023-11-23 21:29:45,684 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##98: assume 16 == ~debug~0; [2023-11-23 21:29:45,684 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##95: assume !(16 == ~debug~0); [2023-11-23 21:29:45,684 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##95: assume 16 == ~debug~0; [2023-11-23 21:29:45,686 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6960: assume 64 == (if tlan_eisa_probe_~tmp___4~0#1 % 256 % 4294967296 <= 2147483647 then tlan_eisa_probe_~tmp___4~0#1 % 256 % 4294967296 else tlan_eisa_probe_~tmp___4~0#1 % 256 % 4294967296 - 4294967296); [2023-11-23 21:29:45,686 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6960: assume !(64 == (if tlan_eisa_probe_~tmp___4~0#1 % 256 % 4294967296 <= 2147483647 then tlan_eisa_probe_~tmp___4~0#1 % 256 % 4294967296 else tlan_eisa_probe_~tmp___4~0#1 % 256 % 4294967296 - 4294967296)); [2023-11-23 21:29:45,686 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##49: assume !(0 == ~debug~0); [2023-11-23 21:29:45,686 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##49: assume 0 == ~debug~0;tlan_eisa_probe_#t~nondet354#1 := 0; [2023-11-23 21:29:45,687 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6964: assume 128 == (if tlan_eisa_probe_~tmp___4~0#1 % 256 % 4294967296 <= 2147483647 then tlan_eisa_probe_~tmp___4~0#1 % 256 % 4294967296 else tlan_eisa_probe_~tmp___4~0#1 % 256 % 4294967296 - 4294967296); [2023-11-23 21:29:45,687 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6964: assume !(128 == (if tlan_eisa_probe_~tmp___4~0#1 % 256 % 4294967296 <= 2147483647 then tlan_eisa_probe_~tmp___4~0#1 % 256 % 4294967296 else tlan_eisa_probe_~tmp___4~0#1 % 256 % 4294967296 - 4294967296)); [2023-11-23 21:29:45,687 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint tlan_eisa_probe_case_16#1: tlan_eisa_probe_~irq~0#1 := 5; [2023-11-23 21:29:45,954 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:29:50,015 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:29:50,015 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:29:50,018 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:29:50 BoogieIcfgContainer [2023-11-23 21:29:50,018 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:29:50,023 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:29:50,023 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:29:50,027 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:29:50,027 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:29:33" (1/3) ... [2023-11-23 21:29:50,029 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ed0b74f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:29:50, skipping insertion in model container [2023-11-23 21:29:50,029 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:37" (2/3) ... [2023-11-23 21:29:50,030 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ed0b74f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:29:50, skipping insertion in model container [2023-11-23 21:29:50,030 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:29:50" (3/3) ... [2023-11-23 21:29:50,032 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-ti-tlan.cil.i [2023-11-23 21:29:50,054 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:29:50,054 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-23 21:29:50,167 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:29:50,176 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;@1c34636a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:29:50,176 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-23 21:29:50,197 INFO L276 IsEmpty]: Start isEmpty. Operand has 1848 states, 1074 states have (on average 1.2486033519553073) internal successors, (1341), 1112 states have internal predecessors, (1341), 671 states have call successors, (671), 102 states have call predecessors, (671), 101 states have return successors, (666), 655 states have call predecessors, (666), 666 states have call successors, (666) [2023-11-23 21:29:50,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-23 21:29:50,224 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:29:50,225 INFO L195 NwaCegarLoop]: trace histogram [7, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:29:50,226 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 21:29:50,236 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:29:50,236 INFO L85 PathProgramCache]: Analyzing trace with hash -1480116271, now seen corresponding path program 1 times [2023-11-23 21:29:50,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:29:50,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609361091] [2023-11-23 21:29:50,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:29:50,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:29:50,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:29:51,356 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2023-11-23 21:29:51,357 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:29:51,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609361091] [2023-11-23 21:29:51,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609361091] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:29:51,358 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:29:51,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:29:51,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229366830] [2023-11-23 21:29:51,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:29:51,367 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:29:51,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:29:51,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:29:51,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:29:51,406 INFO L87 Difference]: Start difference. First operand has 1848 states, 1074 states have (on average 1.2486033519553073) internal successors, (1341), 1112 states have internal predecessors, (1341), 671 states have call successors, (671), 102 states have call predecessors, (671), 101 states have return successors, (666), 655 states have call predecessors, (666), 666 states have call successors, (666) Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 3 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2023-11-23 21:29:54,285 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:29:57,359 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:29:59,365 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:30:01,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:30:01,483 INFO L93 Difference]: Finished difference Result 5448 states and 7901 transitions. [2023-11-23 21:30:01,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:30:01,486 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 3 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 76 [2023-11-23 21:30:01,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:30:01,538 INFO L225 Difference]: With dead ends: 5448 [2023-11-23 21:30:01,539 INFO L226 Difference]: Without dead ends: 3603 [2023-11-23 21:30:01,560 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:30:01,563 INFO L413 NwaCegarLoop]: 2322 mSDtfsCounter, 2623 mSDsluCounter, 2249 mSDsCounter, 0 mSdLazyCounter, 729 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2623 SdHoareTripleChecker+Valid, 4571 SdHoareTripleChecker+Invalid, 735 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 729 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2023-11-23 21:30:01,565 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2623 Valid, 4571 Invalid, 735 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 729 Invalid, 3 Unknown, 0 Unchecked, 9.6s Time] [2023-11-23 21:30:01,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3603 states. [2023-11-23 21:30:01,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3603 to 3601. [2023-11-23 21:30:01,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3601 states, 2094 states have (on average 1.2440305635148041) internal successors, (2605), 2168 states have internal predecessors, (2605), 1305 states have call successors, (1305), 201 states have call predecessors, (1305), 200 states have return successors, (1303), 1281 states have call predecessors, (1303), 1303 states have call successors, (1303) [2023-11-23 21:30:02,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3601 states to 3601 states and 5213 transitions. [2023-11-23 21:30:02,053 INFO L78 Accepts]: Start accepts. Automaton has 3601 states and 5213 transitions. Word has length 76 [2023-11-23 21:30:02,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:30:02,057 INFO L495 AbstractCegarLoop]: Abstraction has 3601 states and 5213 transitions. [2023-11-23 21:30:02,057 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 3 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2023-11-23 21:30:02,058 INFO L276 IsEmpty]: Start isEmpty. Operand 3601 states and 5213 transitions. [2023-11-23 21:30:02,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-23 21:30:02,079 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:30:02,079 INFO L195 NwaCegarLoop]: trace histogram [7, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:30:02,080 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:30:02,080 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:30:02,080 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:30:02,081 INFO L85 PathProgramCache]: Analyzing trace with hash -1592976023, now seen corresponding path program 1 times [2023-11-23 21:30:02,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:30:02,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579639172] [2023-11-23 21:30:02,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:30:02,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:30:02,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:30:02,630 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2023-11-23 21:30:02,630 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:30:02,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579639172] [2023-11-23 21:30:02,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579639172] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:30:02,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:30:02,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:30:02,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678701873] [2023-11-23 21:30:02,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:30:02,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:30:02,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:30:02,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:30:02,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:30:02,635 INFO L87 Difference]: Start difference. First operand 3601 states and 5213 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2023-11-23 21:30:06,021 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:30:08,029 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:30:10,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:30:10,532 INFO L93 Difference]: Finished difference Result 7768 states and 11215 transitions. [2023-11-23 21:30:10,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:30:10,532 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 98 [2023-11-23 21:30:10,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:30:10,599 INFO L225 Difference]: With dead ends: 7768 [2023-11-23 21:30:10,599 INFO L226 Difference]: Without dead ends: 4180 [2023-11-23 21:30:10,638 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:30:10,639 INFO L413 NwaCegarLoop]: 2472 mSDtfsCounter, 2409 mSDsluCounter, 1354 mSDsCounter, 0 mSdLazyCounter, 697 mSolverCounterSat, 17 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2409 SdHoareTripleChecker+Valid, 3826 SdHoareTripleChecker+Invalid, 716 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 697 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2023-11-23 21:30:10,640 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2409 Valid, 3826 Invalid, 716 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 697 Invalid, 2 Unknown, 0 Unchecked, 7.5s Time] [2023-11-23 21:30:10,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4180 states. [2023-11-23 21:30:10,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4180 to 4157. [2023-11-23 21:30:10,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4157 states, 2440 states have (on average 1.244672131147541) internal successors, (3037), 2536 states have internal predecessors, (3037), 1463 states have call successors, (1463), 271 states have call predecessors, (1463), 252 states have return successors, (1469), 1404 states have call predecessors, (1469), 1461 states have call successors, (1469) [2023-11-23 21:30:11,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4157 states to 4157 states and 5969 transitions. [2023-11-23 21:30:11,042 INFO L78 Accepts]: Start accepts. Automaton has 4157 states and 5969 transitions. Word has length 98 [2023-11-23 21:30:11,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:30:11,045 INFO L495 AbstractCegarLoop]: Abstraction has 4157 states and 5969 transitions. [2023-11-23 21:30:11,045 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2023-11-23 21:30:11,045 INFO L276 IsEmpty]: Start isEmpty. Operand 4157 states and 5969 transitions. [2023-11-23 21:30:11,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-11-23 21:30:11,054 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:30:11,055 INFO L195 NwaCegarLoop]: trace histogram [10, 6, 6, 6, 6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:30:11,055 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 21:30:11,055 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:30:11,065 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:30:11,065 INFO L85 PathProgramCache]: Analyzing trace with hash -63366441, now seen corresponding path program 1 times [2023-11-23 21:30:11,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:30:11,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472843856] [2023-11-23 21:30:11,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:30:11,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:30:11,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:30:11,966 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2023-11-23 21:30:11,966 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:30:11,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472843856] [2023-11-23 21:30:11,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472843856] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:30:11,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:30:11,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 21:30:11,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473975256] [2023-11-23 21:30:11,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:30:11,970 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:30:11,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:30:11,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:30:11,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:30:11,972 INFO L87 Difference]: Start difference. First operand 4157 states and 5969 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-23 21:30:14,068 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:30:16,077 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:30:18,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:30:18,437 INFO L93 Difference]: Finished difference Result 4157 states and 5969 transitions. [2023-11-23 21:30:18,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 21:30:18,438 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 127 [2023-11-23 21:30:18,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:30:18,488 INFO L225 Difference]: With dead ends: 4157 [2023-11-23 21:30:18,488 INFO L226 Difference]: Without dead ends: 4140 [2023-11-23 21:30:18,496 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:30:18,497 INFO L413 NwaCegarLoop]: 2289 mSDtfsCounter, 2611 mSDsluCounter, 2289 mSDsCounter, 0 mSdLazyCounter, 730 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2611 SdHoareTripleChecker+Valid, 4578 SdHoareTripleChecker+Invalid, 731 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 730 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2023-11-23 21:30:18,498 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2611 Valid, 4578 Invalid, 731 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 730 Invalid, 1 Unknown, 0 Unchecked, 6.2s Time] [2023-11-23 21:30:18,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4140 states. [2023-11-23 21:30:18,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4140 to 4140. [2023-11-23 21:30:18,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4140 states, 2434 states have (on average 1.243631881676253) internal successors, (3027), 2526 states have internal predecessors, (3027), 1453 states have call successors, (1453), 270 states have call predecessors, (1453), 252 states have return successors, (1461), 1398 states have call predecessors, (1461), 1453 states have call successors, (1461) [2023-11-23 21:30:18,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4140 states to 4140 states and 5941 transitions. [2023-11-23 21:30:18,941 INFO L78 Accepts]: Start accepts. Automaton has 4140 states and 5941 transitions. Word has length 127 [2023-11-23 21:30:18,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:30:18,943 INFO L495 AbstractCegarLoop]: Abstraction has 4140 states and 5941 transitions. [2023-11-23 21:30:18,944 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-23 21:30:18,945 INFO L276 IsEmpty]: Start isEmpty. Operand 4140 states and 5941 transitions. [2023-11-23 21:30:18,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-11-23 21:30:18,962 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:30:18,963 INFO L195 NwaCegarLoop]: trace histogram [10, 6, 6, 6, 6, 6, 6, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:30:18,963 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-23 21:30:18,963 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:30:18,963 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:30:18,964 INFO L85 PathProgramCache]: Analyzing trace with hash 569873722, now seen corresponding path program 1 times [2023-11-23 21:30:18,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:30:18,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680213575] [2023-11-23 21:30:18,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:30:18,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:30:19,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:30:19,465 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2023-11-23 21:30:19,466 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:30:19,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680213575] [2023-11-23 21:30:19,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1680213575] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:30:19,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:30:19,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:30:19,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884429848] [2023-11-23 21:30:19,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:30:19,468 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:30:19,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:30:19,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:30:19,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:30:19,470 INFO L87 Difference]: Start difference. First operand 4140 states and 5941 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20)