./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-intel-igbvf-igbvf.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 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_9fd6c9d9-10b1-4cb4-8749-acc250e167e7/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fd6c9d9-10b1-4cb4-8749-acc250e167e7/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fd6c9d9-10b1-4cb4-8749-acc250e167e7/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fd6c9d9-10b1-4cb4-8749-acc250e167e7/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-igbvf-igbvf.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fd6c9d9-10b1-4cb4-8749-acc250e167e7/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fd6c9d9-10b1-4cb4-8749-acc250e167e7/bin/uautomizer-verify-bycVGegfSx --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 24f4a9e8deb15b4814a8f35356cc754cf60b8f4e5ae2a0757193e7412afcca55 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 20:59:36,610 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 20:59:36,734 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fd6c9d9-10b1-4cb4-8749-acc250e167e7/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-21 20:59:36,745 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 20:59:36,746 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 20:59:36,789 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 20:59:36,790 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 20:59:36,791 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 20:59:36,792 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 20:59:36,797 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 20:59:36,798 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 20:59:36,799 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 20:59:36,800 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 20:59:36,802 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 20:59:36,803 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 20:59:36,803 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 20:59:36,804 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 20:59:36,804 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 20:59:36,805 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 20:59:36,806 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 20:59:36,806 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 20:59:36,807 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 20:59:36,808 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 20:59:36,808 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 20:59:36,809 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 20:59:36,810 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 20:59:36,810 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 20:59:36,811 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 20:59:36,811 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 20:59:36,812 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 20:59:36,814 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 20:59:36,814 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 20:59:36,814 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 20:59:36,815 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 20:59:36,815 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 20:59:36,815 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 20:59:36,816 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 20:59:36,816 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 20:59:36,816 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 20:59:36,817 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_9fd6c9d9-10b1-4cb4-8749-acc250e167e7/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fd6c9d9-10b1-4cb4-8749-acc250e167e7/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 24f4a9e8deb15b4814a8f35356cc754cf60b8f4e5ae2a0757193e7412afcca55 [2023-11-21 20:59:37,169 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 20:59:37,204 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 20:59:37,207 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 20:59:37,210 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 20:59:37,211 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 20:59:37,213 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fd6c9d9-10b1-4cb4-8749-acc250e167e7/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-igbvf-igbvf.cil.i [2023-11-21 20:59:40,338 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 20:59:41,251 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 20:59:41,252 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fd6c9d9-10b1-4cb4-8749-acc250e167e7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-igbvf-igbvf.cil.i [2023-11-21 20:59:41,315 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fd6c9d9-10b1-4cb4-8749-acc250e167e7/bin/uautomizer-verify-bycVGegfSx/data/fb8533eb0/c80a3574d07b45638dee9a248ae64cc0/FLAGedf8825c0 [2023-11-21 20:59:41,330 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fd6c9d9-10b1-4cb4-8749-acc250e167e7/bin/uautomizer-verify-bycVGegfSx/data/fb8533eb0/c80a3574d07b45638dee9a248ae64cc0 [2023-11-21 20:59:41,333 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 20:59:41,335 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 20:59:41,336 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 20:59:41,336 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 20:59:41,342 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 20:59:41,343 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 08:59:41" (1/1) ... [2023-11-21 20:59:41,344 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@554ae0e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:59:41, skipping insertion in model container [2023-11-21 20:59:41,344 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 08:59:41" (1/1) ... [2023-11-21 20:59:41,560 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 20:59:45,768 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_9fd6c9d9-10b1-4cb4-8749-acc250e167e7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[452690,452703] [2023-11-21 20:59:45,773 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_9fd6c9d9-10b1-4cb4-8749-acc250e167e7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[452837,452850] [2023-11-21 20:59:45,773 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_9fd6c9d9-10b1-4cb4-8749-acc250e167e7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[452976,452989] [2023-11-21 20:59:45,774 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_9fd6c9d9-10b1-4cb4-8749-acc250e167e7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[453134,453147] [2023-11-21 20:59:45,819 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 20:59:45,916 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 20:59:46,087 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [6262] [2023-11-21 20:59:46,089 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [6269] [2023-11-21 20:59:46,124 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"); [6921] [2023-11-21 20:59:46,124 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)); [6928] [2023-11-21 20:59:46,125 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [6935] [2023-11-21 20:59:46,160 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [8019-8020] [2023-11-21 20:59:46,162 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)); [8069-8070] [2023-11-21 20:59:46,163 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"); [8075-8077] [2023-11-21 20:59:46,166 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8195] [2023-11-21 20:59:46,168 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/mm.h"), "i" (488), "i" (12UL)); [8252-8253] [2023-11-21 20:59:46,169 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ (" addl %1,%0\n adcl $0xffff,%0": "=r" (sum): "r" (sum << 16), "0" (sum & 4294901760U)); [8313] [2023-11-21 20:59:46,170 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ (" addl %1, %0\n adcl %2, %0\n adcl %3, %0\n adcl $0, %0\n": "=r" (sum): "g" (daddr), "g" (saddr), "g" (((int )len + (int )proto) << 8), "0" (sum)); [8321-8322] [2023-11-21 20:59:46,173 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (19), "i" (12UL)); [8397-8398] [2023-11-21 20:59:46,175 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (36), "i" (12UL)); [8431-8432] [2023-11-21 20:59:46,177 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (79), "i" (12UL)); [8472-8473] [2023-11-21 20:59:46,178 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (91), "i" (12UL)); [8501-8502] [2023-11-21 20:59:46,194 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/netdevice.h"), "i" (502), "i" (12UL)); [8943-8944] [2023-11-21 20:59:46,194 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8950] [2023-11-21 20:59:46,219 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9560] [2023-11-21 20:59:46,222 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [9607] [2023-11-21 20:59:46,223 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)skb->data) [9619] [2023-11-21 20:59:46,225 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)next_rxd) [9680] [2023-11-21 20:59:46,317 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [10291] [2023-11-21 20:59:46,400 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [11930] [2023-11-21 20:59:46,401 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 *)"drivers/net/ethernet/intel/igbvf/netdev.c"), "i" (2086), "i" (12UL)); [11974-11975] [2023-11-21 20:59:46,404 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 *)"drivers/net/ethernet/intel/igbvf/netdev.c"), "i" (2109), "i" (12UL)); [12010-12011] [2023-11-21 20:59:46,410 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [12125] [2023-11-21 20:59:46,411 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [12129] [2023-11-21 20:59:46,507 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_9fd6c9d9-10b1-4cb4-8749-acc250e167e7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[452690,452703] [2023-11-21 20:59:46,508 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_9fd6c9d9-10b1-4cb4-8749-acc250e167e7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[452837,452850] [2023-11-21 20:59:46,508 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_9fd6c9d9-10b1-4cb4-8749-acc250e167e7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[452976,452989] [2023-11-21 20:59:46,510 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_9fd6c9d9-10b1-4cb4-8749-acc250e167e7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[453134,453147] [2023-11-21 20:59:46,522 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 20:59:46,926 WARN L675 CHandler]: The function strncpy is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 20:59:46,926 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 20:59:46,934 INFO L206 MainTranslator]: Completed translation [2023-11-21 20:59:46,935 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:59:46 WrapperNode [2023-11-21 20:59:46,935 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 20:59:46,937 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 20:59:46,937 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 20:59:46,938 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 20:59:46,946 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:59:46" (1/1) ... [2023-11-21 20:59:47,122 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:59:46" (1/1) ... [2023-11-21 20:59:47,484 INFO L138 Inliner]: procedures = 543, calls = 3389, calls flagged for inlining = 312, calls inlined = 287, statements flattened = 8912 [2023-11-21 20:59:47,485 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 20:59:47,485 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 20:59:47,486 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 20:59:47,486 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 20:59:47,499 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:59:46" (1/1) ... [2023-11-21 20:59:47,499 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:59:46" (1/1) ... [2023-11-21 20:59:47,572 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:59:46" (1/1) ... [2023-11-21 20:59:52,680 WARN L106 HeapSplitter]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure #Ultimate.C_memcpy is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2023-11-21 20:59:52,680 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:59:46" (1/1) ... [2023-11-21 20:59:52,680 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:59:46" (1/1) ... [2023-11-21 20:59:52,985 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:59:46" (1/1) ... [2023-11-21 20:59:53,038 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:59:46" (1/1) ... [2023-11-21 20:59:53,097 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:59:46" (1/1) ... [2023-11-21 20:59:53,132 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:59:46" (1/1) ... [2023-11-21 20:59:53,198 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 20:59:53,200 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 20:59:53,200 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 20:59:53,201 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 20:59:53,201 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:59:46" (1/1) ... [2023-11-21 20:59:53,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 20:59:53,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fd6c9d9-10b1-4cb4-8749-acc250e167e7/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:59:53,241 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fd6c9d9-10b1-4cb4-8749-acc250e167e7/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 20:59:53,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fd6c9d9-10b1-4cb4-8749-acc250e167e7/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 20:59:53,296 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2023-11-21 20:59:53,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2023-11-21 20:59:53,296 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-21 20:59:53,297 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-21 20:59:53,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-21 20:59:53,297 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-21 20:59:53,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2023-11-21 20:59:53,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2023-11-21 20:59:53,297 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-21 20:59:53,298 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-21 20:59:53,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-21 20:59:53,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-21 20:59:53,298 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2023-11-21 20:59:53,298 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2023-11-21 20:59:53,298 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_function_pointers_vf [2023-11-21 20:59:53,298 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_function_pointers_vf [2023-11-21 20:59:53,299 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2023-11-21 20:59:53,299 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2023-11-21 20:59:53,299 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2023-11-21 20:59:53,299 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2023-11-21 20:59:53,299 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-21 20:59:53,299 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-21 20:59:53,300 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-21 20:59:53,300 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-21 20:59:53,300 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_alloc_rx_buffers [2023-11-21 20:59:53,300 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_alloc_rx_buffers [2023-11-21 20:59:53,300 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-21 20:59:53,301 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-21 20:59:53,301 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_mac_addr_vf [2023-11-21 20:59:53,302 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_mac_addr_vf [2023-11-21 20:59:53,302 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_close [2023-11-21 20:59:53,302 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_close [2023-11-21 20:59:53,303 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-21 20:59:53,303 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-21 20:59:53,303 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-21 20:59:53,303 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reset_hw_vf [2023-11-21 20:59:53,303 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reset_hw_vf [2023-11-21 20:59:53,303 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_maybe_stop_tx [2023-11-21 20:59:53,303 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_maybe_stop_tx [2023-11-21 20:59:53,304 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-21 20:59:53,304 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-21 20:59:53,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-21 20:59:53,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-21 20:59:53,305 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-21 20:59:53,305 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-21 20:59:53,305 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-21 20:59:53,306 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-21 20:59:53,306 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_clean_tx_irq [2023-11-21 20:59:53,306 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_clean_tx_irq [2023-11-21 20:59:53,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-21 20:59:53,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-21 20:59:53,307 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2023-11-21 20:59:53,307 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2023-11-21 20:59:53,307 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_suspend [2023-11-21 20:59:53,308 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_suspend [2023-11-21 20:59:53,308 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 20:59:53,308 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-21 20:59:53,308 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-21 20:59:53,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2023-11-21 20:59:53,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2023-11-21 20:59:53,309 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2023-11-21 20:59:53,309 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2023-11-21 20:59:53,309 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2023-11-21 20:59:53,309 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2023-11-21 20:59:53,309 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-21 20:59:53,310 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-21 20:59:53,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-21 20:59:53,310 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_assign_vector [2023-11-21 20:59:53,310 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_assign_vector [2023-11-21 20:59:53,310 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-21 20:59:53,310 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-21 20:59:53,311 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-21 20:59:53,311 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-21 20:59:53,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-21 20:59:53,311 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_desc_unused [2023-11-21 20:59:53,312 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_desc_unused [2023-11-21 20:59:53,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-21 20:59:53,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-21 20:59:53,312 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-21 20:59:53,313 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-21 20:59:53,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 20:59:53,313 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_netpoll [2023-11-21 20:59:53,313 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_netpoll [2023-11-21 20:59:53,313 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-21 20:59:53,313 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-21 20:59:53,314 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_reset_interrupt_capability [2023-11-21 20:59:53,315 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_reset_interrupt_capability [2023-11-21 20:59:53,315 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2023-11-21 20:59:53,315 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2023-11-21 20:59:53,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-21 20:59:53,315 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-21 20:59:53,315 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_msg_vf [2023-11-21 20:59:53,315 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_msg_vf [2023-11-21 20:59:53,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-21 20:59:53,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-21 20:59:53,316 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2023-11-21 20:59:53,316 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2023-11-21 20:59:53,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_igbvf_exit_module_19_2 [2023-11-21 20:59:53,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_igbvf_exit_module_19_2 [2023-11-21 20:59:53,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-21 20:59:53,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-21 20:59:53,318 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_free_tx_resources [2023-11-21 20:59:53,318 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_free_tx_resources [2023-11-21 20:59:53,318 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_offset [2023-11-21 20:59:53,319 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_offset [2023-11-21 20:59:53,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-21 20:59:53,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-21 20:59:53,319 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2023-11-21 20:59:53,320 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2023-11-21 20:59:53,320 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-21 20:59:53,320 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-21 20:59:53,320 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2023-11-21 20:59:53,320 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2023-11-21 20:59:53,321 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2023-11-21 20:59:53,322 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2023-11-21 20:59:53,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 20:59:53,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-21 20:59:53,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-21 20:59:53,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-21 20:59:53,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-21 20:59:53,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2023-11-21 20:59:53,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2023-11-21 20:59:53,328 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2023-11-21 20:59:53,328 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2023-11-21 20:59:53,333 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_configure_msix [2023-11-21 20:59:53,334 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_configure_msix [2023-11-21 20:59:53,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 20:59:53,334 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_open [2023-11-21 20:59:53,334 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_open [2023-11-21 20:59:53,334 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2023-11-21 20:59:53,334 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2023-11-21 20:59:53,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-21 20:59:53,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-21 20:59:53,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 20:59:53,335 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-21 20:59:53,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-21 20:59:53,335 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2023-11-21 20:59:53,335 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2023-11-21 20:59:53,335 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_nway_reset [2023-11-21 20:59:53,336 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_nway_reset [2023-11-21 20:59:53,336 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_reset [2023-11-21 20:59:53,336 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_reset [2023-11-21 20:59:53,336 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_posted_mbx [2023-11-21 20:59:53,337 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_posted_mbx [2023-11-21 20:59:53,337 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-21 20:59:53,337 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-21 20:59:53,337 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_irq_enable [2023-11-21 20:59:53,337 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_irq_enable [2023-11-21 20:59:53,337 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-11-21 20:59:53,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-11-21 20:59:53,337 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2023-11-21 20:59:53,338 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2023-11-21 20:59:53,338 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_reinit_locked [2023-11-21 20:59:53,338 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_reinit_locked [2023-11-21 20:59:53,338 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-21 20:59:53,338 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-21 20:59:53,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-21 20:59:53,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-21 20:59:53,338 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_update_stats [2023-11-21 20:59:53,339 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_update_stats [2023-11-21 20:59:53,339 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_vlan_rx_add_vid [2023-11-21 20:59:53,339 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_vlan_rx_add_vid [2023-11-21 20:59:53,339 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-21 20:59:53,339 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-21 20:59:53,340 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-21 20:59:53,340 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-21 20:59:53,340 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_bit_vf [2023-11-21 20:59:53,340 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_bit_vf [2023-11-21 20:59:53,340 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_hw_vf [2023-11-21 20:59:53,341 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_hw_vf [2023-11-21 20:59:53,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 20:59:53,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 20:59:53,341 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2023-11-21 20:59:53,341 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2023-11-21 20:59:53,341 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_poll_for_ack [2023-11-21 20:59:53,341 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_poll_for_ack [2023-11-21 20:59:53,342 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-21 20:59:53,342 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-21 20:59:53,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-21 20:59:53,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-21 20:59:53,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-21 20:59:53,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-21 20:59:53,342 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-11-21 20:59:53,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-11-21 20:59:53,343 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_rar_set_vf [2023-11-21 20:59:53,343 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_rar_set_vf [2023-11-21 20:59:53,343 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2023-11-21 20:59:53,343 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2023-11-21 20:59:53,343 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-21 20:59:53,343 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-21 20:59:53,343 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2023-11-21 20:59:53,344 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2023-11-21 20:59:53,344 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_down [2023-11-21 20:59:53,344 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_down [2023-11-21 20:59:53,344 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-21 20:59:53,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-21 20:59:53,344 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_get_regs_len [2023-11-21 20:59:53,344 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_get_regs_len [2023-11-21 20:59:53,344 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_free_irq [2023-11-21 20:59:53,345 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_free_irq [2023-11-21 20:59:53,345 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2023-11-21 20:59:53,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2023-11-21 20:59:53,345 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2023-11-21 20:59:53,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2023-11-21 20:59:53,345 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_link_vf [2023-11-21 20:59:53,345 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_link_vf [2023-11-21 20:59:53,345 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-21 20:59:53,346 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-21 20:59:53,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-21 20:59:53,346 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-21 20:59:53,346 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-21 20:59:53,346 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-21 20:59:53,346 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_clean_tx_ring [2023-11-21 20:59:53,346 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_clean_tx_ring [2023-11-21 20:59:53,347 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_v2p_mailbox [2023-11-21 20:59:53,347 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_v2p_mailbox [2023-11-21 20:59:53,347 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2023-11-21 20:59:53,347 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2023-11-21 20:59:53,347 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2023-11-21 20:59:53,347 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2023-11-21 20:59:53,347 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-21 20:59:53,347 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-21 20:59:53,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 20:59:53,348 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-21 20:59:53,348 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-21 20:59:53,348 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_remove [2023-11-21 20:59:53,348 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_remove [2023-11-21 20:59:53,348 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2023-11-21 20:59:53,348 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2023-11-21 20:59:53,348 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-21 20:59:53,349 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-21 20:59:53,349 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_irq_disable [2023-11-21 20:59:53,349 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_irq_disable [2023-11-21 20:59:53,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 20:59:53,349 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_configure [2023-11-21 20:59:53,349 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_configure [2023-11-21 20:59:53,349 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_setup_rx_resources [2023-11-21 20:59:53,350 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_setup_rx_resources [2023-11-21 20:59:53,350 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_clean_rx_ring [2023-11-21 20:59:53,350 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_clean_rx_ring [2023-11-21 20:59:53,350 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~s32~0 [2023-11-21 20:59:53,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~s32~0 [2023-11-21 20:59:53,355 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_obtain_mbx_lock_vf [2023-11-21 20:59:53,355 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_obtain_mbx_lock_vf [2023-11-21 20:59:53,355 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2023-11-21 20:59:53,355 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2023-11-21 20:59:53,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-21 20:59:53,355 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-21 20:59:53,355 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-21 20:59:53,355 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-21 20:59:53,355 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-21 20:59:53,355 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_ack_vf [2023-11-21 20:59:53,356 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_ack_vf [2023-11-21 20:59:53,356 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-21 20:59:53,356 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-21 20:59:53,356 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2023-11-21 20:59:53,356 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2023-11-21 20:59:53,356 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-21 20:59:53,356 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-21 20:59:53,356 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2023-11-21 20:59:53,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2023-11-21 20:59:53,356 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_request_irq [2023-11-21 20:59:53,357 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_request_irq [2023-11-21 20:59:53,357 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_resume [2023-11-21 20:59:53,357 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_resume [2023-11-21 20:59:53,357 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-21 20:59:53,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-21 20:59:53,357 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-11-21 20:59:53,357 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-11-21 20:59:53,357 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-21 20:59:53,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-21 20:59:53,357 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_put_txbuf [2023-11-21 20:59:53,358 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_put_txbuf [2023-11-21 20:59:53,358 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u16~0~TO~~s32~0 [2023-11-21 20:59:53,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u16~0~TO~~s32~0 [2023-11-21 20:59:53,358 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_poll_for_msg [2023-11-21 20:59:53,358 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_poll_for_msg [2023-11-21 20:59:53,358 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2023-11-21 20:59:53,358 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2023-11-21 20:59:53,358 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-11-21 20:59:53,359 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-11-21 20:59:53,359 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-21 20:59:53,359 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-21 20:59:53,359 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-11-21 20:59:53,359 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-11-21 20:59:53,359 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_shutdown [2023-11-21 20:59:53,359 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_shutdown [2023-11-21 20:59:53,359 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-21 20:59:53,359 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-21 20:59:53,359 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2023-11-21 20:59:53,359 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2023-11-21 20:59:53,360 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_setup_tx_resources [2023-11-21 20:59:53,360 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_setup_tx_resources [2023-11-21 20:59:53,360 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-21 20:59:53,360 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-21 20:59:53,360 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_get_eeprom_len [2023-11-21 20:59:53,360 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_get_eeprom_len [2023-11-21 20:59:53,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 20:59:53,360 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u16~0~X~~bool~0~TO~~s32~0 [2023-11-21 20:59:53,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u16~0~X~~bool~0~TO~~s32~0 [2023-11-21 20:59:53,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-21 20:59:53,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-21 20:59:53,360 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2023-11-21 20:59:53,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2023-11-21 20:59:53,361 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device_mem [2023-11-21 20:59:53,361 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device_mem [2023-11-21 20:59:53,361 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-21 20:59:53,361 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-21 20:59:53,361 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-11-21 20:59:53,361 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-11-21 20:59:53,361 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2023-11-21 20:59:53,361 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2023-11-21 20:59:53,361 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_io_resume [2023-11-21 20:59:53,361 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_io_resume [2023-11-21 20:59:53,361 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_free_rx_resources [2023-11-21 20:59:53,361 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_free_rx_resources [2023-11-21 20:59:53,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_6 [2023-11-21 20:59:53,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_6 [2023-11-21 20:59:53,361 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_set_multi [2023-11-21 20:59:53,362 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_set_multi [2023-11-21 20:59:53,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-21 20:59:53,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-21 20:59:53,362 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_tx_timeout [2023-11-21 20:59:53,362 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_tx_timeout [2023-11-21 20:59:53,362 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2023-11-21 20:59:53,362 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2023-11-21 20:59:53,362 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-11-21 20:59:53,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-11-21 20:59:53,362 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_posted_mbx [2023-11-21 20:59:53,362 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_posted_mbx [2023-11-21 20:59:53,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2023-11-21 20:59:53,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2023-11-21 20:59:53,362 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2023-11-21 20:59:53,363 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2023-11-21 20:59:53,363 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_up [2023-11-21 20:59:53,363 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_up [2023-11-21 20:59:53,363 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-21 20:59:53,363 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-21 20:59:53,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 20:59:53,363 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2023-11-21 20:59:53,363 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2023-11-21 20:59:53,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-21 20:59:53,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-21 20:59:53,363 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2023-11-21 20:59:54,722 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 20:59:54,735 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 20:59:55,139 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-21 21:00:05,702 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-21 21:00:06,180 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 21:00:13,948 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 21:00:13,949 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 21:00:13,952 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:00:13 BoogieIcfgContainer [2023-11-21 21:00:13,952 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 21:00:13,955 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 21:00:13,955 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 21:00:13,959 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 21:00:13,960 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 08:59:41" (1/3) ... [2023-11-21 21:00:13,961 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dabb58a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:00:13, skipping insertion in model container [2023-11-21 21:00:13,961 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:59:46" (2/3) ... [2023-11-21 21:00:13,961 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dabb58a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:00:13, skipping insertion in model container [2023-11-21 21:00:13,962 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:00:13" (3/3) ... [2023-11-21 21:00:13,963 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-igbvf-igbvf.cil.i [2023-11-21 21:00:13,989 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 21:00:13,989 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-21 21:00:14,116 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 21:00:14,128 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=PETRI_NET, 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;@5f9b0057, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 21:00:14,129 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-21 21:00:14,154 INFO L276 IsEmpty]: Start isEmpty. Operand has 2335 states, 1383 states have (on average 1.2740419378163412) internal successors, (1762), 1425 states have internal predecessors, (1762), 788 states have call successors, (788), 163 states have call predecessors, (788), 162 states have return successors, (780), 766 states have call predecessors, (780), 780 states have call successors, (780) [2023-11-21 21:00:14,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2023-11-21 21:00:14,202 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 21:00:14,203 INFO L195 NwaCegarLoop]: trace histogram [25, 24, 24, 24, 24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:00:14,204 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 21:00:14,211 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:00:14,211 INFO L85 PathProgramCache]: Analyzing trace with hash 1776110844, now seen corresponding path program 1 times [2023-11-21 21:00:14,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:00:14,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110958625] [2023-11-21 21:00:14,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:00:14,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:00:14,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:15,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:00:15,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:15,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:00:15,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:15,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-21 21:00:15,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:15,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:00:15,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:15,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-21 21:00:15,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:15,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:00:15,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:15,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-21 21:00:15,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:15,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:00:15,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:15,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-21 21:00:15,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:15,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:00:15,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:15,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-21 21:00:15,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:15,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:00:15,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:15,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-21 21:00:15,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:15,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:00:15,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:15,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-21 21:00:15,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:15,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:00:15,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:15,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-21 21:00:16,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:16,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:00:16,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:16,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-21 21:00:16,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:16,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:00:16,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:16,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-21 21:00:16,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:16,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:00:16,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:16,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-21 21:00:16,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:16,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:00:16,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:16,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-21 21:00:16,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:16,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:00:16,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:16,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-11-21 21:00:16,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:16,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:00:16,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:16,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-21 21:00:16,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:16,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:00:16,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:16,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-11-21 21:00:16,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:16,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:00:16,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:16,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-11-21 21:00:16,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:16,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:00:16,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:16,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-11-21 21:00:16,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:16,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:00:16,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:16,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-11-21 21:00:16,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:16,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:00:16,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:16,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-11-21 21:00:16,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:16,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:00:16,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:16,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2023-11-21 21:00:16,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:16,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:00:16,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:16,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2023-11-21 21:00:16,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:16,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:00:16,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:16,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2023-11-21 21:00:16,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:16,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:00:16,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:16,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2023-11-21 21:00:16,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:16,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:00:16,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:16,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-21 21:00:16,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:16,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2023-11-21 21:00:16,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:16,733 INFO L134 CoverageAnalysis]: Checked inductivity of 2256 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2256 trivial. 0 not checked. [2023-11-21 21:00:16,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:00:16,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110958625] [2023-11-21 21:00:16,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110958625] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:00:16,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:00:16,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-21 21:00:16,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657000679] [2023-11-21 21:00:16,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:00:16,744 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-21 21:00:16,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:00:16,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 21:00:16,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-21 21:00:16,791 INFO L87 Difference]: Start difference. First operand has 2335 states, 1383 states have (on average 1.2740419378163412) internal successors, (1762), 1425 states have internal predecessors, (1762), 788 states have call successors, (788), 163 states have call predecessors, (788), 162 states have return successors, (780), 766 states have call predecessors, (780), 780 states have call successors, (780) Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2023-11-21 21:00:24,891 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []