./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 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d7d52-1ada-40e1-b939-e70c822acd22/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d7d52-1ada-40e1-b939-e70c822acd22/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d7d52-1ada-40e1-b939-e70c822acd22/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d7d52-1ada-40e1-b939-e70c822acd22/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-ti-tlan.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d7d52-1ada-40e1-b939-e70c822acd22/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d7d52-1ada-40e1-b939-e70c822acd22/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash cac198808750b06b4323badfd457155abf5b06080e3172b359793331e4f6845f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:50:44,021 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:50:44,092 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d7d52-1ada-40e1-b939-e70c822acd22/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-19 04:50:44,098 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:50:44,099 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:50:44,125 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:50:44,126 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:50:44,127 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:50:44,128 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:50:44,128 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:50:44,129 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:50:44,130 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:50:44,130 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:50:44,131 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:50:44,132 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:50:44,132 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:50:44,133 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:50:44,133 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:50:44,134 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:50:44,134 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:50:44,135 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:50:44,136 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:50:44,137 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:50:44,137 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:50:44,138 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:50:44,138 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:50:44,139 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:50:44,139 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:50:44,139 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:50:44,140 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:50:44,140 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:50:44,141 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:50:44,141 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:50:44,142 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:50:44,142 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:50:44,142 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:50:44,143 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:50:44,143 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:50:44,143 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:50:44,143 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:50:44,144 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:50:44,144 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:50:44,144 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_783d7d52-1ada-40e1-b939-e70c822acd22/bin/utaipan-verify-t7M7D8N6sZ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d7d52-1ada-40e1-b939-e70c822acd22/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cac198808750b06b4323badfd457155abf5b06080e3172b359793331e4f6845f [2023-11-19 04:50:44,390 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:50:44,423 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:50:44,426 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:50:44,427 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:50:44,428 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:50:44,429 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d7d52-1ada-40e1-b939-e70c822acd22/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-ti-tlan.cil.i [2023-11-19 04:50:47,530 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:50:48,215 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:50:48,216 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d7d52-1ada-40e1-b939-e70c822acd22/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-ti-tlan.cil.i [2023-11-19 04:50:48,269 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d7d52-1ada-40e1-b939-e70c822acd22/bin/utaipan-verify-t7M7D8N6sZ/data/03b7cd9ea/962d2109994e44c2a80b539059639019/FLAG13fd1882b [2023-11-19 04:50:48,284 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d7d52-1ada-40e1-b939-e70c822acd22/bin/utaipan-verify-t7M7D8N6sZ/data/03b7cd9ea/962d2109994e44c2a80b539059639019 [2023-11-19 04:50:48,286 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:50:48,288 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:50:48,289 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:50:48,289 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:50:48,295 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:50:48,296 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:50:48" (1/1) ... [2023-11-19 04:50:48,297 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11e301c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:50:48, skipping insertion in model container [2023-11-19 04:50:48,297 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:50:48" (1/1) ... [2023-11-19 04:50:48,468 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:50:51,428 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_783d7d52-1ada-40e1-b939-e70c822acd22/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-ti-tlan.cil.i[314606,314619] [2023-11-19 04:50:51,434 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_783d7d52-1ada-40e1-b939-e70c822acd22/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-ti-tlan.cil.i[314753,314766] [2023-11-19 04:50:51,436 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_783d7d52-1ada-40e1-b939-e70c822acd22/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-ti-tlan.cil.i[314892,314905] [2023-11-19 04:50:51,436 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_783d7d52-1ada-40e1-b939-e70c822acd22/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-ti-tlan.cil.i[315050,315063] [2023-11-19 04:50:51,486 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:50:51,569 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:50:51,708 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] [2023-11-19 04:50:51,710 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] [2023-11-19 04:50:51,710 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5349] [2023-11-19 04:50:51,713 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] [2023-11-19 04:50:51,713 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] [2023-11-19 04:50:51,715 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (__preempt_count)); [5448] [2023-11-19 04:50:51,716 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [5451] [2023-11-19 04:50:51,717 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [5454] [2023-11-19 04:50:51,717 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [5457] [2023-11-19 04:50:51,721 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [5546] [2023-11-19 04:50:51,721 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5554] [2023-11-19 04:50:51,722 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outw %w0, %w1": : "a" (value), "Nd" (port)); [5584] [2023-11-19 04:50:51,723 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inw %w1, %w0": "=a" (value): "Nd" (port)); [5592] [2023-11-19 04:50:51,723 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outl %0, %w1": : "a" (value), "Nd" (port)); [5599] [2023-11-19 04:50:51,723 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inl %w1, %0": "=a" (value): "Nd" (port)); [5607] [2023-11-19 04:50:51,730 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] [2023-11-19 04:50:51,733 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] [2023-11-19 04:50:52,069 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_783d7d52-1ada-40e1-b939-e70c822acd22/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-ti-tlan.cil.i[314606,314619] [2023-11-19 04:50:52,070 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_783d7d52-1ada-40e1-b939-e70c822acd22/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-ti-tlan.cil.i[314753,314766] [2023-11-19 04:50:52,071 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_783d7d52-1ada-40e1-b939-e70c822acd22/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-ti-tlan.cil.i[314892,314905] [2023-11-19 04:50:52,072 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_783d7d52-1ada-40e1-b939-e70c822acd22/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-ti-tlan.cil.i[315050,315063] [2023-11-19 04:50:52,083 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:50:52,277 WARN L675 CHandler]: The function __request_region is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:50:52,277 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:50:52,285 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:50:52,286 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:50:52 WrapperNode [2023-11-19 04:50:52,286 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:50:52,287 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:50:52,287 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:50:52,287 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:50:52,295 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:50:52" (1/1) ... [2023-11-19 04:50:52,387 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:50:52" (1/1) ... [2023-11-19 04:50:52,716 INFO L138 Inliner]: procedures = 351, calls = 2181, calls flagged for inlining = 196, calls inlined = 190, statements flattened = 6213 [2023-11-19 04:50:52,717 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:50:52,718 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:50:52,718 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:50:52,718 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:50:52,744 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:50:52" (1/1) ... [2023-11-19 04:50:52,745 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:50:52" (1/1) ... [2023-11-19 04:50:52,826 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:50:52" (1/1) ... [2023-11-19 04:50:52,836 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:50:52" (1/1) ... [2023-11-19 04:50:53,146 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:50:52" (1/1) ... [2023-11-19 04:50:53,187 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:50:52" (1/1) ... [2023-11-19 04:50:53,238 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:50:52" (1/1) ... [2023-11-19 04:50:53,264 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:50:52" (1/1) ... [2023-11-19 04:50:53,352 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:50:53,353 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:50:53,354 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:50:53,354 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:50:53,357 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:50:52" (1/1) ... [2023-11-19 04:50:53,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:50:53,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d7d52-1ada-40e1-b939-e70c822acd22/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:50:53,406 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d7d52-1ada-40e1-b939-e70c822acd22/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:50:53,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_783d7d52-1ada-40e1-b939-e70c822acd22/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:50:53,459 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_resume [2023-11-19 04:50:53,460 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_resume [2023-11-19 04:50:53,463 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2023-11-19 04:50:53,463 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2023-11-19 04:50:53,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 04:50:53,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 04:50:53,465 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-19 04:50:53,465 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-19 04:50:53,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 04:50:53,466 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 04:50:53,466 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_exit [2023-11-19 04:50:53,466 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_exit [2023-11-19 04:50:53,467 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-19 04:50:53,468 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-19 04:50:53,468 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_mii_write_reg [2023-11-19 04:50:53,468 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_mii_write_reg [2023-11-19 04:50:53,468 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-19 04:50:53,469 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-19 04:50:53,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 04:50:53,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 04:50:53,469 INFO L130 BoogieDeclarations]: Found specification of procedure slow_down_io [2023-11-19 04:50:53,470 INFO L138 BoogieDeclarations]: Found implementation of procedure slow_down_io [2023-11-19 04:50:53,470 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_handle_interrupt [2023-11-19 04:50:53,470 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_handle_interrupt [2023-11-19 04:50:53,470 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_start [2023-11-19 04:50:53,471 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_start [2023-11-19 04:50:53,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-19 04:50:53,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-19 04:50:53,471 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_read8 [2023-11-19 04:50:53,472 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_read8 [2023-11-19 04:50:53,472 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-19 04:50:53,472 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-19 04:50:53,472 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-19 04:50:53,472 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-19 04:50:53,473 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_read_and_clear_stats [2023-11-19 04:50:53,473 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_read_and_clear_stats [2023-11-19 04:50:53,473 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-19 04:50:53,473 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-19 04:50:53,474 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2023-11-19 04:50:53,475 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2023-11-19 04:50:53,476 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-19 04:50:53,476 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-19 04:50:53,476 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_mii_sync [2023-11-19 04:50:53,477 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_mii_sync [2023-11-19 04:50:53,477 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:50:53,477 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_set_multicast_list [2023-11-19 04:50:53,477 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_set_multicast_list [2023-11-19 04:50:53,478 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-19 04:50:53,478 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-19 04:50:53,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_29 [2023-11-19 04:50:53,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_29 [2023-11-19 04:50:53,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 04:50:53,479 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-19 04:50:53,479 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-19 04:50:53,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-19 04:50:53,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-19 04:50:53,480 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-11-19 04:50:53,480 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-11-19 04:50:53,480 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-19 04:50:53,481 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-19 04:50:53,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-19 04:50:53,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-19 04:50:53,481 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_eisa_cleanup [2023-11-19 04:50:53,482 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_eisa_cleanup [2023-11-19 04:50:53,483 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-19 04:50:53,483 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-19 04:50:53,484 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-19 04:50:53,484 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-19 04:50:53,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:50:53,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 04:50:53,485 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 04:50:53,485 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 04:50:53,485 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_print_list [2023-11-19 04:50:53,485 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_print_list [2023-11-19 04:50:53,485 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-19 04:50:53,486 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-19 04:50:53,486 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_write16 [2023-11-19 04:50:53,486 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_write16 [2023-11-19 04:50:53,486 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2023-11-19 04:50:53,486 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2023-11-19 04:50:53,487 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-19 04:50:53,487 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-19 04:50:53,487 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-11-19 04:50:53,487 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-11-19 04:50:53,488 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-19 04:50:53,488 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-19 04:50:53,489 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2023-11-19 04:50:53,489 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2023-11-19 04:50:53,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-19 04:50:53,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-19 04:50:53,490 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2023-11-19 04:50:53,490 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2023-11-19 04:50:53,490 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_reset_lists [2023-11-19 04:50:53,491 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_reset_lists [2023-11-19 04:50:53,491 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_finish_reset [2023-11-19 04:50:53,492 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_finish_reset [2023-11-19 04:50:53,492 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_close [2023-11-19 04:50:53,493 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_close [2023-11-19 04:50:53,493 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-19 04:50:53,493 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-19 04:50:53,493 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_phy_print [2023-11-19 04:50:53,494 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_phy_print [2023-11-19 04:50:53,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2023-11-19 04:50:53,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2023-11-19 04:50:53,494 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_write32 [2023-11-19 04:50:53,494 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_write32 [2023-11-19 04:50:53,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver [2023-11-19 04:50:53,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver [2023-11-19 04:50:53,495 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_probe1 [2023-11-19 04:50:53,496 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_probe1 [2023-11-19 04:50:53,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-19 04:50:53,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-19 04:50:53,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:50:53,497 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-19 04:50:53,498 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-19 04:50:53,499 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-19 04:50:53,500 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-19 04:50:53,500 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-19 04:50:53,500 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-19 04:50:53,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-19 04:50:53,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-19 04:50:53,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-19 04:50:53,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-19 04:50:53,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-19 04:50:53,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-19 04:50:53,502 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_set_timer [2023-11-19 04:50:53,502 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_set_timer [2023-11-19 04:50:53,503 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_stop [2023-11-19 04:50:53,503 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_stop [2023-11-19 04:50:53,503 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_set_mac [2023-11-19 04:50:53,503 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_set_mac [2023-11-19 04:50:53,503 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-11-19 04:50:53,504 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-11-19 04:50:53,504 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_ee_send_start [2023-11-19 04:50:53,504 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_ee_send_start [2023-11-19 04:50:53,504 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_read32 [2023-11-19 04:50:53,505 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_read32 [2023-11-19 04:50:53,505 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-19 04:50:53,505 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-19 04:50:53,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:50:53,506 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-19 04:50:53,506 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-19 04:50:53,506 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_remove_one [2023-11-19 04:50:53,506 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_remove_one [2023-11-19 04:50:53,507 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_get_skb [2023-11-19 04:50:53,507 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_get_skb [2023-11-19 04:50:53,507 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_write8 [2023-11-19 04:50:53,507 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_write8 [2023-11-19 04:50:53,507 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 04:50:53,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 04:50:53,508 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_phy_power_down [2023-11-19 04:50:53,508 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_phy_power_down [2023-11-19 04:50:53,508 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_ee_send_byte [2023-11-19 04:50:53,509 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_ee_send_byte [2023-11-19 04:50:53,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:50:53,509 INFO L130 BoogieDeclarations]: Found specification of procedure inb_p [2023-11-19 04:50:53,509 INFO L138 BoogieDeclarations]: Found implementation of procedure inb_p [2023-11-19 04:50:53,509 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~VOID [2023-11-19 04:50:53,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~VOID [2023-11-19 04:50:53,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-19 04:50:53,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-19 04:50:53,510 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_poll [2023-11-19 04:50:53,511 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_poll [2023-11-19 04:50:53,511 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-11-19 04:50:53,511 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-11-19 04:50:53,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:50:53,511 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_reset_adapter [2023-11-19 04:50:53,512 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_reset_adapter [2023-11-19 04:50:53,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-19 04:50:53,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-19 04:50:53,512 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-19 04:50:53,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-19 04:50:53,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 04:50:53,513 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-19 04:50:53,513 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 04:50:53,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 04:50:53,514 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_mii_send_data [2023-11-19 04:50:53,514 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_mii_send_data [2023-11-19 04:50:53,514 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_mii_read_reg [2023-11-19 04:50:53,514 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_mii_read_reg [2023-11-19 04:50:53,514 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_free_lists [2023-11-19 04:50:53,515 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_free_lists [2023-11-19 04:50:53,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-19 04:50:53,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-19 04:50:53,515 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_open [2023-11-19 04:50:53,515 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_open [2023-11-19 04:50:53,516 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-19 04:50:53,516 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-19 04:50:53,516 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-19 04:50:53,516 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-19 04:50:53,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_stop_11_2 [2023-11-19 04:50:53,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_stop_11_2 [2023-11-19 04:50:53,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-19 04:50:53,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-19 04:50:53,517 INFO L130 BoogieDeclarations]: Found specification of procedure outb_p [2023-11-19 04:50:53,518 INFO L138 BoogieDeclarations]: Found implementation of procedure outb_p [2023-11-19 04:50:53,518 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-11-19 04:50:53,518 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-11-19 04:50:53,518 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2023-11-19 04:50:53,518 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2023-11-19 04:50:53,519 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_store_skb [2023-11-19 04:50:53,519 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_store_skb [2023-11-19 04:50:53,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:50:53,519 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2023-11-19 04:50:53,520 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_tx_timeout [2023-11-19 04:50:53,520 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_tx_timeout [2023-11-19 04:50:53,520 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2023-11-19 04:50:53,520 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2023-11-19 04:50:53,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-19 04:50:53,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-19 04:50:53,521 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2023-11-19 04:50:53,521 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2023-11-19 04:50:53,521 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_phy_detect [2023-11-19 04:50:53,522 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_phy_detect [2023-11-19 04:50:53,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:50:53,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:50:53,522 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2023-11-19 04:50:53,522 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2023-11-19 04:50:54,482 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:50:54,488 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:50:55,721 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 04:51:01,786 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint tlan_eisa_probe_case_32#1: tlan_eisa_probe_~irq~0#1 := 9; [2023-11-19 04:51:01,787 INFO L767 $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; [2023-11-19 04:51:01,787 INFO L767 $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; [2023-11-19 04:51:01,787 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint L6993: SUMMARY for call tlan_eisa_probe_#t~ret369#1 := printk(47, 0); srcloc: null [2023-11-19 04:51:01,787 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint L6999-1: tlan_eisa_probe_~ioaddr~0#1 := 4096 + tlan_eisa_probe_~ioaddr~0#1; [2023-11-19 04:51:01,787 INFO L767 $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; [2023-11-19 04:51:01,787 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint L7001: SUMMARY for call tlan_eisa_probe_#t~ret370#1 := printk(48, 0); srcloc: null [2023-11-19 04:51:01,787 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint L7008: assume tlan_eisa_probe_~ioaddr~0#1 <= 36863; [2023-11-19 04:51:01,788 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint L7008: assume !(tlan_eisa_probe_~ioaddr~0#1 <= 36863); [2023-11-19 04:51:01,788 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint L6884-1: assume 16 == ~debug~0;tlan_eisa_probe_#t~nondet354#1 := ~debug~0; [2023-11-19 04:51:01,788 INFO L767 $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; [2023-11-19 04:51:01,788 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint L6884-5: assume 0 == ~debug~0;tlan_eisa_probe_#t~nondet357#1 := 0; [2023-11-19 04:51:01,788 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint L6884-5: assume !(0 == ~debug~0); [2023-11-19 04:51:01,788 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint L6884-3: assume 0 != tlan_eisa_probe_#t~nondet354#1;havoc tlan_eisa_probe_#t~nondet354#1; [2023-11-19 04:51:01,788 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint L6884-3: assume !(0 != tlan_eisa_probe_#t~nondet354#1);havoc tlan_eisa_probe_#t~nondet354#1; [2023-11-19 04:51:01,789 INFO L767 $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 [2023-11-19 04:51:01,789 INFO L767 $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; [2023-11-19 04:51:01,789 INFO L767 $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; [2023-11-19 04:51:01,789 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint L6887: SUMMARY for call tlan_eisa_probe_#t~ret356#1 := printk(43, 0); srcloc: null [2023-11-19 04:51:01,789 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint L6891-1: assume 16 == ~debug~0;tlan_eisa_probe_#t~nondet357#1 := ~debug~0; [2023-11-19 04:51:01,789 INFO L767 $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; [2023-11-19 04:51:01,789 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint L6891-5: assume 0 == ~debug~0;tlan_eisa_probe_#t~nondet360#1 := 0; [2023-11-19 04:51:01,789 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint L6891-5: assume !(0 == ~debug~0); [2023-11-19 04:51:01,790 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint L6891-3: assume 0 != tlan_eisa_probe_#t~nondet357#1;havoc tlan_eisa_probe_#t~nondet357#1; [2023-11-19 04:51:01,790 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint L6891-3: assume !(0 != tlan_eisa_probe_#t~nondet357#1);havoc tlan_eisa_probe_#t~nondet357#1; [2023-11-19 04:51:01,790 INFO L767 $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; [2023-11-19 04:51:01,790 INFO L767 $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 [2023-11-19 04:51:01,790 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint L6894: SUMMARY for call tlan_eisa_probe_#t~ret359#1 := printk(44, 0); srcloc: null [2023-11-19 04:51:01,790 INFO L767 $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; [2023-11-19 04:51:01,790 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint L6898-3: assume 0 != tlan_eisa_probe_#t~nondet360#1;havoc tlan_eisa_probe_#t~nondet360#1; [2023-11-19 04:51:01,790 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint L6898-3: assume !(0 != tlan_eisa_probe_#t~nondet360#1);havoc tlan_eisa_probe_#t~nondet360#1; [2023-11-19 04:51:01,791 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint L6898-1: assume 16 == ~debug~0;tlan_eisa_probe_#t~nondet360#1 := ~debug~0; [2023-11-19 04:51:01,793 INFO L767 $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; [2023-11-19 04:51:01,796 INFO L767 $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; [2023-11-19 04:51:01,805 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-19 04:51:01,805 INFO L767 $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; [2023-11-19 04:51:01,805 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint L6900: SUMMARY for call tlan_eisa_probe_#t~ret361#1 := printk(45, 0); srcloc: null [2023-11-19 04:51:01,805 INFO L767 $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; [2023-11-19 04:51:01,806 INFO L767 $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); [2023-11-19 04:51:01,806 INFO L767 $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; [2023-11-19 04:51:01,806 INFO L767 $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 [2023-11-19 04:51:01,806 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint L6915: assume 4366 != tlan_eisa_probe_~tmp___2~2#1 % 65536 % 4294967296; [2023-11-19 04:51:01,806 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint L6915: assume !(4366 != tlan_eisa_probe_~tmp___2~2#1 % 65536 % 4294967296); [2023-11-19 04:51:01,806 INFO L767 $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 [2023-11-19 04:51:01,806 INFO L767 $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 [2023-11-19 04:51:01,807 INFO L767 $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; [2023-11-19 04:51:01,807 INFO L767 $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 [2023-11-19 04:51:01,807 INFO L767 $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; [2023-11-19 04:51:01,807 INFO L767 $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); [2023-11-19 04:51:01,807 INFO L767 $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 [2023-11-19 04:51:01,807 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint tlan_eisa_probe_case_128#1: tlan_eisa_probe_~irq~0#1 := 11; [2023-11-19 04:51:01,807 INFO L767 $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; [2023-11-19 04:51:01,807 INFO L767 $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 [2023-11-19 04:51:01,807 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint L6935: assume 1 != tlan_eisa_probe_~tmp___3~2#1 % 256 % 4294967296; [2023-11-19 04:51:01,808 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint L6935: assume !(1 != tlan_eisa_probe_~tmp___3~2#1 % 256 % 4294967296); [2023-11-19 04:51:01,808 INFO L767 $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 [2023-11-19 04:51:01,808 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint L6942: assume 16 == ~debug~0; [2023-11-19 04:51:01,808 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint L6942: assume !(16 == ~debug~0); [2023-11-19 04:51:01,808 INFO L767 $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 [2023-11-19 04:51:01,808 INFO L767 $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; [2023-11-19 04:51:01,808 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint L6944: SUMMARY for call tlan_eisa_probe_#t~ret366#1 := printk(46, 0); srcloc: null [2023-11-19 04:51:01,809 INFO L767 $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; [2023-11-19 04:51:01,809 INFO L767 $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); [2023-11-19 04:51:01,809 INFO L767 $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)); [2023-11-19 04:51:01,809 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint tlan_eisa_probe_case_64#1: tlan_eisa_probe_~irq~0#1 := 10; [2023-11-19 04:51:01,809 INFO L767 $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); [2023-11-19 04:51:01,809 INFO L767 $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)); [2023-11-19 04:51:01,809 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##98: assume !(16 == ~debug~0); [2023-11-19 04:51:01,809 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##98: assume 16 == ~debug~0; [2023-11-19 04:51:01,809 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##95: assume !(16 == ~debug~0); [2023-11-19 04:51:01,810 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##95: assume 16 == ~debug~0; [2023-11-19 04:51:01,810 INFO L767 $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); [2023-11-19 04:51:01,810 INFO L767 $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)); [2023-11-19 04:51:01,810 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##49: assume !(0 == ~debug~0); [2023-11-19 04:51:01,810 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##49: assume 0 == ~debug~0;tlan_eisa_probe_#t~nondet354#1 := 0; [2023-11-19 04:51:01,810 INFO L767 $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); [2023-11-19 04:51:01,810 INFO L767 $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)); [2023-11-19 04:51:01,810 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint tlan_eisa_probe_case_16#1: tlan_eisa_probe_~irq~0#1 := 5; [2023-11-19 04:51:02,025 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:51:07,261 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:51:07,261 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:51:07,285 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:51:07 BoogieIcfgContainer [2023-11-19 04:51:07,285 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:51:07,290 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:51:07,290 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:51:07,294 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:51:07,294 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:50:48" (1/3) ... [2023-11-19 04:51:07,296 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4020539b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:51:07, skipping insertion in model container [2023-11-19 04:51:07,297 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:50:52" (2/3) ... [2023-11-19 04:51:07,297 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4020539b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:51:07, skipping insertion in model container [2023-11-19 04:51:07,298 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:51:07" (3/3) ... [2023-11-19 04:51:07,299 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-ti-tlan.cil.i [2023-11-19 04:51:07,325 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:51:07,326 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-19 04:51:07,459 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:51:07,467 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;@32946a5f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:51:07,468 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-19 04:51:07,488 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) [2023-11-19 04:51:07,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-19 04:51:07,522 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:51:07,523 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] [2023-11-19 04:51:07,524 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:51:07,534 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:51:07,535 INFO L85 PathProgramCache]: Analyzing trace with hash 1852628510, now seen corresponding path program 1 times [2023-11-19 04:51:07,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:51:07,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190387769] [2023-11-19 04:51:07,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:51:07,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:51:08,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:51:08,636 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2023-11-19 04:51:08,637 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:51:08,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190387769] [2023-11-19 04:51:08,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190387769] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:51:08,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:51:08,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:51:08,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743974355] [2023-11-19 04:51:08,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:51:08,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:51:08,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:51:08,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:51:08,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:51:08,695 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) [2023-11-19 04:51:12,027 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:51:15,031 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:51:17,035 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:51:19,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:51:19,064 INFO L93 Difference]: Finished difference Result 5448 states and 7901 transitions. [2023-11-19 04:51:19,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:51:19,067 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 [2023-11-19 04:51:19,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:51:19,134 INFO L225 Difference]: With dead ends: 5448 [2023-11-19 04:51:19,134 INFO L226 Difference]: Without dead ends: 3603 [2023-11-19 04:51:19,160 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 [2023-11-19 04:51:19,164 INFO L413 NwaCegarLoop]: 2322 mSDtfsCounter, 2623 mSDsluCounter, 2249 mSDsCounter, 0 mSdLazyCounter, 729 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s 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, 9.8s IncrementalHoareTripleChecker+Time [2023-11-19 04:51:19,165 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2623 Valid, 4571 Invalid, 735 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 729 Invalid, 3 Unknown, 0 Unchecked, 9.8s Time] [2023-11-19 04:51:19,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3603 states. [2023-11-19 04:51:19,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3603 to 3601. [2023-11-19 04:51:19,527 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) [2023-11-19 04:51:19,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3601 states to 3601 states and 5213 transitions. [2023-11-19 04:51:19,776 INFO L78 Accepts]: Start accepts. Automaton has 3601 states and 5213 transitions. Word has length 76 [2023-11-19 04:51:19,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:51:19,780 INFO L495 AbstractCegarLoop]: Abstraction has 3601 states and 5213 transitions. [2023-11-19 04:51:19,781 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) [2023-11-19 04:51:19,781 INFO L276 IsEmpty]: Start isEmpty. Operand 3601 states and 5213 transitions. [2023-11-19 04:51:19,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-19 04:51:19,804 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:51:19,804 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] [2023-11-19 04:51:19,805 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 04:51:19,805 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:51:19,807 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:51:19,807 INFO L85 PathProgramCache]: Analyzing trace with hash -643898543, now seen corresponding path program 1 times [2023-11-19 04:51:19,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:51:19,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128592652] [2023-11-19 04:51:19,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:51:19,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:51:20,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:51:20,518 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2023-11-19 04:51:20,519 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:51:20,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128592652] [2023-11-19 04:51:20,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128592652] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:51:20,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:51:20,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:51:20,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581346258] [2023-11-19 04:51:20,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:51:20,531 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:51:20,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:51:20,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:51:20,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:51:20,533 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) [2023-11-19 04:51:24,575 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:51:26,580 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:51:29,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:51:29,170 INFO L93 Difference]: Finished difference Result 7768 states and 11215 transitions. [2023-11-19 04:51:29,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:51:29,171 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 [2023-11-19 04:51:29,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:51:29,236 INFO L225 Difference]: With dead ends: 7768 [2023-11-19 04:51:29,236 INFO L226 Difference]: Without dead ends: 4180 [2023-11-19 04:51:29,287 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 [2023-11-19 04:51:29,289 INFO L413 NwaCegarLoop]: 2472 mSDtfsCounter, 2409 mSDsluCounter, 1354 mSDsCounter, 0 mSdLazyCounter, 697 mSolverCounterSat, 17 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s 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, 8.1s IncrementalHoareTripleChecker+Time [2023-11-19 04:51:29,289 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2409 Valid, 3826 Invalid, 716 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 697 Invalid, 2 Unknown, 0 Unchecked, 8.1s Time] [2023-11-19 04:51:29,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4180 states. [2023-11-19 04:51:29,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4180 to 4157. [2023-11-19 04:51:29,732 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) [2023-11-19 04:51:29,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4157 states to 4157 states and 5969 transitions. [2023-11-19 04:51:29,788 INFO L78 Accepts]: Start accepts. Automaton has 4157 states and 5969 transitions. Word has length 98 [2023-11-19 04:51:29,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:51:29,791 INFO L495 AbstractCegarLoop]: Abstraction has 4157 states and 5969 transitions. [2023-11-19 04:51:29,792 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) [2023-11-19 04:51:29,792 INFO L276 IsEmpty]: Start isEmpty. Operand 4157 states and 5969 transitions. [2023-11-19 04:51:29,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-11-19 04:51:29,802 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:51:29,803 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] [2023-11-19 04:51:29,803 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 04:51:29,803 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:51:29,816 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:51:29,817 INFO L85 PathProgramCache]: Analyzing trace with hash -1021718581, now seen corresponding path program 1 times [2023-11-19 04:51:29,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:51:29,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930060445] [2023-11-19 04:51:29,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:51:29,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:51:30,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:51:30,739 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2023-11-19 04:51:30,740 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:51:30,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930060445] [2023-11-19 04:51:30,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930060445] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:51:30,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:51:30,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 04:51:30,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443124757] [2023-11-19 04:51:30,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:51:30,743 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 04:51:30,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:51:30,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 04:51:30,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 04:51:30,745 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)