./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f7b0da-aa04-4961-a6e2-7d1f779e8be0/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f7b0da-aa04-4961-a6e2-7d1f779e8be0/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f7b0da-aa04-4961-a6e2-7d1f779e8be0/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f7b0da-aa04-4961-a6e2-7d1f779e8be0/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f7b0da-aa04-4961-a6e2-7d1f779e8be0/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f7b0da-aa04-4961-a6e2-7d1f779e8be0/bin/utaipan-verify-SwPr7d2a91 --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 28669211a2ef49b5efd7443ec92409c5f49218a96d1252c934deb7757bde86cd --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:08:57,971 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:08:58,101 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f7b0da-aa04-4961-a6e2-7d1f779e8be0/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-25 00:08:58,111 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:08:58,111 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:08:58,151 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:08:58,152 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:08:58,153 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:08:58,154 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:08:58,159 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:08:58,159 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:08:58,160 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:08:58,161 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:08:58,162 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-25 00:08:58,163 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:08:58,163 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:08:58,164 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-25 00:08:58,164 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-25 00:08:58,164 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:08:58,165 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-25 00:08:58,165 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-25 00:08:58,166 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-25 00:08:58,167 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:08:58,167 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-25 00:08:58,168 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-25 00:08:58,168 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:08:58,168 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-25 00:08:58,169 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:08:58,169 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-25 00:08:58,170 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-25 00:08:58,171 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:08:58,171 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:08:58,171 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-25 00:08:58,172 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:08:58,172 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:08:58,172 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:08:58,173 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:08:58,173 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-25 00:08:58,173 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-25 00:08:58,173 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-25 00:08:58,174 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:08:58,174 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-25 00:08:58,174 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:08:58,174 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:08:58,175 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_99f7b0da-aa04-4961-a6e2-7d1f779e8be0/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f7b0da-aa04-4961-a6e2-7d1f779e8be0/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 28669211a2ef49b5efd7443ec92409c5f49218a96d1252c934deb7757bde86cd [2023-11-25 00:08:58,450 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:08:58,472 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:08:58,475 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:08:58,476 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:08:58,476 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:08:58,478 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f7b0da-aa04-4961-a6e2-7d1f779e8be0/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i [2023-11-25 00:09:01,700 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:09:02,426 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:09:02,427 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f7b0da-aa04-4961-a6e2-7d1f779e8be0/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i [2023-11-25 00:09:02,489 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f7b0da-aa04-4961-a6e2-7d1f779e8be0/bin/utaipan-verify-SwPr7d2a91/data/86a20e74e/d3cb38871bbf4a6b885058b7ef41e4ff/FLAG75b59fd07 [2023-11-25 00:09:02,508 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f7b0da-aa04-4961-a6e2-7d1f779e8be0/bin/utaipan-verify-SwPr7d2a91/data/86a20e74e/d3cb38871bbf4a6b885058b7ef41e4ff [2023-11-25 00:09:02,514 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:09:02,516 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:09:02,520 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:09:02,520 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:09:02,527 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:09:02,528 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:09:02" (1/1) ... [2023-11-25 00:09:02,529 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ec168f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:09:02, skipping insertion in model container [2023-11-25 00:09:02,529 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:09:02" (1/1) ... [2023-11-25 00:09:02,779 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:09:06,614 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_99f7b0da-aa04-4961-a6e2-7d1f779e8be0/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i[387086,387099] [2023-11-25 00:09:06,618 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_99f7b0da-aa04-4961-a6e2-7d1f779e8be0/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i[387231,387244] [2023-11-25 00:09:06,643 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:09:06,708 INFO L202 MainTranslator]: Completed pre-run [2023-11-25 00:09:06,841 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"); [5254] [2023-11-25 00:09:06,843 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)); [5261] [2023-11-25 00:09:06,843 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5268] [2023-11-25 00:09:06,845 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/de2fed6/linux-alloc-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [5309-5310] [2023-11-25 00:09:06,846 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"); [5315-5317] [2023-11-25 00:09:06,850 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %1,%0": "=r" (ret): "m" (*((unsigned short volatile *)addr)): "memory"); [5463] [2023-11-25 00:09:06,850 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5471] [2023-11-25 00:09:06,851 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %0,%1": : "r" (val), "m" (*((unsigned short volatile *)addr)): "memory"); [5478] [2023-11-25 00:09:06,851 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5485] [2023-11-25 00:09:06,857 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)); [5589-5590] [2023-11-25 00:09:06,859 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)); [5623-5624] [2023-11-25 00:09:06,860 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (103), "i" (12UL)); [5660-5661] [2023-11-25 00:09:06,862 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (115), "i" (12UL)); [5697-5698] [2023-11-25 00:09:06,869 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)); [5957-5958] [2023-11-25 00:09:06,870 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [5964] [2023-11-25 00:09:07,025 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8592] [2023-11-25 00:09:07,033 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)(& np->rx_skbuff) + ((unsigned long )np->cur_rx & 31UL)) [8748] [2023-11-25 00:09:07,087 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/natsemi/natsemi.c"), "i" (3315), "i" (12UL)); [10300-10301] [2023-11-25 00:09:07,172 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_99f7b0da-aa04-4961-a6e2-7d1f779e8be0/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i[387086,387099] [2023-11-25 00:09:07,173 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_99f7b0da-aa04-4961-a6e2-7d1f779e8be0/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i[387231,387244] [2023-11-25 00:09:07,179 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:09:07,511 WARN L675 CHandler]: The function strncmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:09:07,512 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:09:07,520 INFO L206 MainTranslator]: Completed translation [2023-11-25 00:09:07,521 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:09:07 WrapperNode [2023-11-25 00:09:07,521 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:09:07,522 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-25 00:09:07,522 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-25 00:09:07,522 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-25 00:09:07,530 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:09:07" (1/1) ... [2023-11-25 00:09:07,650 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:09:07" (1/1) ... [2023-11-25 00:09:07,985 INFO L138 Inliner]: procedures = 510, calls = 2700, calls flagged for inlining = 247, calls inlined = 217, statements flattened = 6686 [2023-11-25 00:09:07,986 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-25 00:09:07,987 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-25 00:09:07,988 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-25 00:09:07,988 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-25 00:09:07,998 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:09:07" (1/1) ... [2023-11-25 00:09:07,998 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:09:07" (1/1) ... [2023-11-25 00:09:08,040 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:09:07" (1/1) ... [2023-11-25 00:09:08,040 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:09:07" (1/1) ... [2023-11-25 00:09:08,273 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:09:07" (1/1) ... [2023-11-25 00:09:08,337 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:09:07" (1/1) ... [2023-11-25 00:09:08,400 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:09:07" (1/1) ... [2023-11-25 00:09:08,451 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:09:07" (1/1) ... [2023-11-25 00:09:08,531 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-25 00:09:08,532 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-25 00:09:08,533 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-25 00:09:08,533 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-25 00:09:08,534 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:09:07" (1/1) ... [2023-11-25 00:09:08,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:09:08,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f7b0da-aa04-4961-a6e2-7d1f779e8be0/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:09:08,568 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f7b0da-aa04-4961-a6e2-7d1f779e8be0/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-25 00:09:08,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f7b0da-aa04-4961-a6e2-7d1f779e8be0/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-25 00:09:08,625 INFO L130 BoogieDeclarations]: Found specification of procedure drain_rx [2023-11-25 00:09:08,625 INFO L138 BoogieDeclarations]: Found implementation of procedure drain_rx [2023-11-25 00:09:08,625 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2023-11-25 00:09:08,626 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2023-11-25 00:09:08,626 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2023-11-25 00:09:08,626 INFO L130 BoogieDeclarations]: Found specification of procedure miiport_write [2023-11-25 00:09:08,626 INFO L138 BoogieDeclarations]: Found implementation of procedure miiport_write [2023-11-25 00:09:08,626 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-25 00:09:08,627 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-25 00:09:08,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-25 00:09:08,627 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-25 00:09:08,627 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-11-25 00:09:08,627 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-11-25 00:09:08,628 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_tx_done [2023-11-25 00:09:08,628 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_tx_done [2023-11-25 00:09:08,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_84 [2023-11-25 00:09:08,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_84 [2023-11-25 00:09:08,629 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-25 00:09:08,629 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-25 00:09:08,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-25 00:09:08,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-25 00:09:08,629 INFO L130 BoogieDeclarations]: Found specification of procedure reinit_rx [2023-11-25 00:09:08,629 INFO L138 BoogieDeclarations]: Found implementation of procedure reinit_rx [2023-11-25 00:09:08,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_92 [2023-11-25 00:09:08,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_92 [2023-11-25 00:09:08,630 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-25 00:09:08,630 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-25 00:09:08,630 INFO L130 BoogieDeclarations]: Found specification of procedure reinit_ring [2023-11-25 00:09:08,631 INFO L138 BoogieDeclarations]: Found implementation of procedure reinit_ring [2023-11-25 00:09:08,631 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2023-11-25 00:09:08,631 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2023-11-25 00:09:08,631 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-25 00:09:08,631 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-25 00:09:08,631 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2023-11-25 00:09:08,632 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2023-11-25 00:09:08,632 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-25 00:09:08,632 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-25 00:09:08,632 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-25 00:09:08,632 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-25 00:09:08,633 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-25 00:09:08,633 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-25 00:09:08,633 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-25 00:09:08,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-25 00:09:08,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-25 00:09:08,633 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-25 00:09:08,634 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-25 00:09:08,634 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-25 00:09:08,634 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-25 00:09:08,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-25 00:09:08,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-25 00:09:08,635 INFO L130 BoogieDeclarations]: Found specification of procedure __set_rx_mode [2023-11-25 00:09:08,635 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_rx_mode [2023-11-25 00:09:08,635 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-25 00:09:08,635 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-25 00:09:08,635 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2023-11-25 00:09:08,636 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2023-11-25 00:09:08,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-25 00:09:08,636 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-25 00:09:08,636 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-25 00:09:08,636 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2023-11-25 00:09:08,636 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2023-11-25 00:09:08,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_108 [2023-11-25 00:09:08,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_108 [2023-11-25 00:09:08,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2023-11-25 00:09:08,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2023-11-25 00:09:08,637 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_read [2023-11-25 00:09:08,638 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_read [2023-11-25 00:09:08,638 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-25 00:09:08,638 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-25 00:09:08,638 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_stop_rxtx [2023-11-25 00:09:08,638 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_stop_rxtx [2023-11-25 00:09:08,639 INFO L130 BoogieDeclarations]: Found specification of procedure ns_tx_timeout [2023-11-25 00:09:08,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_tx_timeout [2023-11-25 00:09:08,639 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-25 00:09:08,639 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-25 00:09:08,639 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-25 00:09:08,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2023-11-25 00:09:08,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2023-11-25 00:09:08,640 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_reset [2023-11-25 00:09:08,640 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_reset [2023-11-25 00:09:08,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-25 00:09:08,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-25 00:09:08,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-25 00:09:08,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-25 00:09:08,641 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2023-11-25 00:09:08,641 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2023-11-25 00:09:08,641 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-25 00:09:08,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-25 00:09:08,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2023-11-25 00:09:08,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2023-11-25 00:09:08,642 INFO L130 BoogieDeclarations]: Found specification of procedure move_int_phy [2023-11-25 00:09:08,642 INFO L138 BoogieDeclarations]: Found implementation of procedure move_int_phy [2023-11-25 00:09:08,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-25 00:09:08,642 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-25 00:09:08,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-25 00:09:08,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-25 00:09:08,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-25 00:09:08,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-25 00:09:08,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-25 00:09:08,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-25 00:09:08,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-25 00:09:08,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-25 00:09:08,644 INFO L130 BoogieDeclarations]: Found specification of procedure enable_wol_mode [2023-11-25 00:09:08,644 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_wol_mode [2023-11-25 00:09:08,644 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_resume [2023-11-25 00:09:08,645 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_resume [2023-11-25 00:09:08,645 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2023-11-25 00:09:08,645 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2023-11-25 00:09:08,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-25 00:09:08,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-25 00:09:08,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-25 00:09:08,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-25 00:09:08,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-25 00:09:08,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2023-11-25 00:09:08,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2023-11-25 00:09:08,646 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-25 00:09:08,647 INFO L130 BoogieDeclarations]: Found specification of procedure mii_getbit [2023-11-25 00:09:08,647 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_getbit [2023-11-25 00:09:08,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-25 00:09:08,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-25 00:09:08,647 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-25 00:09:08,648 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-25 00:09:08,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-25 00:09:08,648 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-25 00:09:08,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-25 00:09:08,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2023-11-25 00:09:08,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2023-11-25 00:09:08,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-11-25 00:09:08,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-11-25 00:09:08,649 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-25 00:09:08,649 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-25 00:09:08,649 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_poll_controller [2023-11-25 00:09:08,650 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_poll_controller [2023-11-25 00:09:08,650 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-25 00:09:08,650 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-25 00:09:08,650 INFO L130 BoogieDeclarations]: Found specification of procedure check_link [2023-11-25 00:09:08,650 INFO L138 BoogieDeclarations]: Found implementation of procedure check_link [2023-11-25 00:09:08,650 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2023-11-25 00:09:08,651 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2023-11-25 00:09:08,651 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-25 00:09:08,651 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-25 00:09:08,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-25 00:09:08,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-25 00:09:08,652 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-25 00:09:08,652 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-25 00:09:08,652 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-25 00:09:08,652 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-25 00:09:08,652 INFO L130 BoogieDeclarations]: Found specification of procedure init_phy_fixup [2023-11-25 00:09:08,652 INFO L138 BoogieDeclarations]: Found implementation of procedure init_phy_fixup [2023-11-25 00:09:08,653 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2023-11-25 00:09:08,653 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2023-11-25 00:09:08,653 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2023-11-25 00:09:08,653 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2023-11-25 00:09:08,653 INFO L130 BoogieDeclarations]: Found specification of procedure mii_nway_result [2023-11-25 00:09:08,653 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_nway_result [2023-11-25 00:09:08,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-25 00:09:08,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-25 00:09:08,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-25 00:09:08,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-25 00:09:08,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-25 00:09:08,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-25 00:09:08,655 INFO L130 BoogieDeclarations]: Found specification of procedure switch_port_external [2023-11-25 00:09:08,655 INFO L138 BoogieDeclarations]: Found implementation of procedure switch_port_external [2023-11-25 00:09:08,655 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_close [2023-11-25 00:09:08,655 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_close [2023-11-25 00:09:08,655 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-25 00:09:08,656 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-25 00:09:08,656 INFO L130 BoogieDeclarations]: Found specification of procedure get_eeprom_len [2023-11-25 00:09:08,656 INFO L138 BoogieDeclarations]: Found implementation of procedure get_eeprom_len [2023-11-25 00:09:08,656 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2023-11-25 00:09:08,656 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2023-11-25 00:09:08,656 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2023-11-25 00:09:08,657 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2023-11-25 00:09:08,657 INFO L130 BoogieDeclarations]: Found specification of procedure get_regs_len [2023-11-25 00:09:08,657 INFO L138 BoogieDeclarations]: Found implementation of procedure get_regs_len [2023-11-25 00:09:08,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-25 00:09:08,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-25 00:09:08,657 INFO L130 BoogieDeclarations]: Found specification of procedure nway_reset [2023-11-25 00:09:08,658 INFO L138 BoogieDeclarations]: Found implementation of procedure nway_reset [2023-11-25 00:09:08,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_netdev_private [2023-11-25 00:09:08,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_netdev_private [2023-11-25 00:09:08,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_91 [2023-11-25 00:09:08,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_91 [2023-11-25 00:09:08,658 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-25 00:09:08,659 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-25 00:09:08,659 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2023-11-25 00:09:08,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2023-11-25 00:09:08,659 INFO L130 BoogieDeclarations]: Found specification of procedure init_registers [2023-11-25 00:09:08,659 INFO L138 BoogieDeclarations]: Found implementation of procedure init_registers [2023-11-25 00:09:08,660 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-25 00:09:08,660 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-25 00:09:08,660 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-25 00:09:08,660 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-25 00:09:08,660 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies [2023-11-25 00:09:08,660 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies [2023-11-25 00:09:08,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-25 00:09:08,661 INFO L130 BoogieDeclarations]: Found specification of procedure switch_port_internal [2023-11-25 00:09:08,661 INFO L138 BoogieDeclarations]: Found implementation of procedure switch_port_internal [2023-11-25 00:09:08,661 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-25 00:09:08,661 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-25 00:09:08,661 INFO L130 BoogieDeclarations]: Found specification of procedure dump_ring [2023-11-25 00:09:08,662 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_ring [2023-11-25 00:09:08,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-25 00:09:08,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-25 00:09:08,662 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-25 00:09:08,662 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-25 00:09:08,662 INFO L130 BoogieDeclarations]: Found specification of procedure intr_handler [2023-11-25 00:09:08,663 INFO L138 BoogieDeclarations]: Found implementation of procedure intr_handler [2023-11-25 00:09:08,663 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-25 00:09:08,663 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-25 00:09:08,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_netdev_private [2023-11-25 00:09:08,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_netdev_private [2023-11-25 00:09:08,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-25 00:09:08,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-25 00:09:08,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-25 00:09:08,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-25 00:09:08,664 INFO L130 BoogieDeclarations]: Found specification of procedure __get_stats [2023-11-25 00:09:08,664 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_stats [2023-11-25 00:09:08,665 INFO L130 BoogieDeclarations]: Found specification of procedure set_bufsize [2023-11-25 00:09:08,665 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bufsize [2023-11-25 00:09:08,665 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2023-11-25 00:09:08,665 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2023-11-25 00:09:08,665 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_open [2023-11-25 00:09:08,665 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_open [2023-11-25 00:09:08,666 INFO L130 BoogieDeclarations]: Found specification of procedure drain_ring [2023-11-25 00:09:08,666 INFO L138 BoogieDeclarations]: Found implementation of procedure drain_ring [2023-11-25 00:09:08,666 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-25 00:09:08,666 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-25 00:09:08,666 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-25 00:09:08,666 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-25 00:09:08,667 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-11-25 00:09:08,667 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-11-25 00:09:08,667 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-25 00:09:08,667 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-25 00:09:08,667 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_remove1 [2023-11-25 00:09:08,667 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_remove1 [2023-11-25 00:09:08,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_natsemi_exit_mod_15_2 [2023-11-25 00:09:08,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_natsemi_exit_mod_15_2 [2023-11-25 00:09:08,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-25 00:09:08,668 INFO L130 BoogieDeclarations]: Found specification of procedure init_ring [2023-11-25 00:09:08,668 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ring [2023-11-25 00:09:08,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-25 00:09:08,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-25 00:09:08,669 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_irq_disable [2023-11-25 00:09:08,669 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_irq_disable [2023-11-25 00:09:08,669 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2023-11-25 00:09:08,669 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2023-11-25 00:09:08,669 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-25 00:09:08,670 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-25 00:09:08,670 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2023-11-25 00:09:08,670 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2023-11-25 00:09:08,670 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2023-11-25 00:09:08,670 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2023-11-25 00:09:08,670 INFO L130 BoogieDeclarations]: Found specification of procedure ns_ioaddr [2023-11-25 00:09:08,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_ioaddr [2023-11-25 00:09:08,671 INFO L130 BoogieDeclarations]: Found specification of procedure mii_send_bits [2023-11-25 00:09:08,671 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_send_bits [2023-11-25 00:09:08,671 INFO L130 BoogieDeclarations]: Found specification of procedure refill_rx [2023-11-25 00:09:08,671 INFO L138 BoogieDeclarations]: Found implementation of procedure refill_rx [2023-11-25 00:09:08,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-25 00:09:08,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-25 00:09:08,672 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2023-11-25 00:09:08,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2023-11-25 00:09:08,672 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2023-11-25 00:09:08,672 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2023-11-25 00:09:08,673 INFO L130 BoogieDeclarations]: Found specification of procedure drain_tx [2023-11-25 00:09:08,673 INFO L138 BoogieDeclarations]: Found implementation of procedure drain_tx [2023-11-25 00:09:08,673 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_irq_enable [2023-11-25 00:09:08,673 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_irq_enable [2023-11-25 00:09:08,673 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-25 00:09:08,673 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-25 00:09:08,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-25 00:09:08,674 INFO L130 BoogieDeclarations]: Found specification of procedure miiport_read [2023-11-25 00:09:08,674 INFO L138 BoogieDeclarations]: Found implementation of procedure miiport_read [2023-11-25 00:09:08,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-25 00:09:08,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-25 00:09:08,674 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2023-11-25 00:09:08,675 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2023-11-25 00:09:08,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_107 [2023-11-25 00:09:08,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_107 [2023-11-25 00:09:09,708 INFO L241 CfgBuilder]: Building ICFG [2023-11-25 00:09:09,719 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-25 00:09:10,618 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-25 00:09:15,467 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-25 00:09:15,703 INFO L282 CfgBuilder]: Performing block encoding [2023-11-25 00:09:21,253 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-25 00:09:21,254 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-25 00:09:21,257 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:09:21 BoogieIcfgContainer [2023-11-25 00:09:21,257 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-25 00:09:21,260 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-25 00:09:21,260 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-25 00:09:21,264 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-25 00:09:21,265 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 12:09:02" (1/3) ... [2023-11-25 00:09:21,267 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14157e41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:09:21, skipping insertion in model container [2023-11-25 00:09:21,267 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:09:07" (2/3) ... [2023-11-25 00:09:21,268 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14157e41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:09:21, skipping insertion in model container [2023-11-25 00:09:21,268 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:09:21" (3/3) ... [2023-11-25 00:09:21,269 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i [2023-11-25 00:09:21,290 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-25 00:09:21,290 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-25 00:09:21,414 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-25 00:09:21,422 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;@4e7f5418, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-25 00:09:21,423 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-25 00:09:21,442 INFO L276 IsEmpty]: Start isEmpty. Operand has 2084 states, 1156 states have (on average 1.259515570934256) internal successors, (1456), 1189 states have internal predecessors, (1456), 797 states have call successors, (797), 131 states have call predecessors, (797), 130 states have return successors, (791), 782 states have call predecessors, (791), 791 states have call successors, (791) [2023-11-25 00:09:21,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2023-11-25 00:09:21,504 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:09:21,507 INFO L195 NwaCegarLoop]: trace histogram [16, 15, 15, 15, 15, 15, 15, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:09:21,507 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:09:21,517 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:09:21,518 INFO L85 PathProgramCache]: Analyzing trace with hash -365764907, now seen corresponding path program 1 times [2023-11-25 00:09:21,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:09:21,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463404680] [2023-11-25 00:09:21,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:09:21,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:09:22,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:09:22,596 INFO L134 CoverageAnalysis]: Checked inductivity of 873 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 873 trivial. 0 not checked. [2023-11-25 00:09:22,596 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:09:22,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463404680] [2023-11-25 00:09:22,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [463404680] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:09:22,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:09:22,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-25 00:09:22,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429458661] [2023-11-25 00:09:22,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:09:22,606 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-25 00:09:22,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:09:22,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-25 00:09:22,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:09:22,657 INFO L87 Difference]: Start difference. First operand has 2084 states, 1156 states have (on average 1.259515570934256) internal successors, (1456), 1189 states have internal predecessors, (1456), 797 states have call successors, (797), 131 states have call predecessors, (797), 130 states have return successors, (791), 782 states have call predecessors, (791), 791 states have call successors, (791) Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2023-11-25 00:09:27,966 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-25 00:09:30,059 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-25 00:09:30,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:09:30,446 INFO L93 Difference]: Finished difference Result 5761 states and 8422 transitions. [2023-11-25 00:09:30,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-25 00:09:30,448 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 194 [2023-11-25 00:09:30,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:09:30,510 INFO L225 Difference]: With dead ends: 5761 [2023-11-25 00:09:30,511 INFO L226 Difference]: Without dead ends: 3622 [2023-11-25 00:09:30,528 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 [2023-11-25 00:09:30,531 INFO L413 NwaCegarLoop]: 2663 mSDtfsCounter, 2355 mSDsluCounter, 2597 mSDsCounter, 0 mSdLazyCounter, 817 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2355 SdHoareTripleChecker+Valid, 5260 SdHoareTripleChecker+Invalid, 824 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 817 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2023-11-25 00:09:30,532 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2355 Valid, 5260 Invalid, 824 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 817 Invalid, 0 Unknown, 0 Unchecked, 7.4s Time] [2023-11-25 00:09:30,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3622 states. [2023-11-25 00:09:30,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3622 to 3618. [2023-11-25 00:09:30,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3618 states, 1997 states have (on average 1.2463695543314972) internal successors, (2489), 2057 states have internal predecessors, (2489), 1376 states have call successors, (1376), 246 states have call predecessors, (1376), 244 states have return successors, (1377), 1354 states have call predecessors, (1377), 1376 states have call successors, (1377) [2023-11-25 00:09:30,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3618 states to 3618 states and 5242 transitions. [2023-11-25 00:09:30,962 INFO L78 Accepts]: Start accepts. Automaton has 3618 states and 5242 transitions. Word has length 194 [2023-11-25 00:09:30,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:09:30,963 INFO L495 AbstractCegarLoop]: Abstraction has 3618 states and 5242 transitions. [2023-11-25 00:09:30,964 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2023-11-25 00:09:30,964 INFO L276 IsEmpty]: Start isEmpty. Operand 3618 states and 5242 transitions. [2023-11-25 00:09:30,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2023-11-25 00:09:30,976 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:09:30,976 INFO L195 NwaCegarLoop]: trace histogram [16, 15, 15, 15, 15, 15, 15, 5, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:09:30,976 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-25 00:09:30,977 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:09:30,977 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:09:30,978 INFO L85 PathProgramCache]: Analyzing trace with hash 1596628914, now seen corresponding path program 1 times [2023-11-25 00:09:30,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:09:30,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824905405] [2023-11-25 00:09:30,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:09:30,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:09:31,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:09:31,644 INFO L134 CoverageAnalysis]: Checked inductivity of 899 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 899 trivial. 0 not checked. [2023-11-25 00:09:31,644 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:09:31,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824905405] [2023-11-25 00:09:31,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824905405] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:09:31,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:09:31,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-25 00:09:31,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086711846] [2023-11-25 00:09:31,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:09:31,653 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-25 00:09:31,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:09:31,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-25 00:09:31,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:09:31,655 INFO L87 Difference]: Start difference. First operand 3618 states and 5242 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2023-11-25 00:09:36,109 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-25 00:09:38,992 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-25 00:09:40,076 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-25 00:09:40,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:09:40,110 INFO L93 Difference]: Finished difference Result 10423 states and 15063 transitions. [2023-11-25 00:09:40,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-25 00:09:40,112 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 259 [2023-11-25 00:09:40,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:09:40,179 INFO L225 Difference]: With dead ends: 10423 [2023-11-25 00:09:40,179 INFO L226 Difference]: Without dead ends: 6836 [2023-11-25 00:09:40,204 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 [2023-11-25 00:09:40,206 INFO L413 NwaCegarLoop]: 2596 mSDtfsCounter, 2810 mSDsluCounter, 2420 mSDsCounter, 0 mSdLazyCounter, 764 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2810 SdHoareTripleChecker+Valid, 5016 SdHoareTripleChecker+Invalid, 767 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 764 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2023-11-25 00:09:40,207 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2810 Valid, 5016 Invalid, 767 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 764 Invalid, 0 Unknown, 0 Unchecked, 8.0s Time] [2023-11-25 00:09:40,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6836 states. [2023-11-25 00:09:40,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6836 to 6830. [2023-11-25 00:09:40,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6830 states, 3811 states have (on average 1.2492784046182104) internal successors, (4761), 3924 states have internal predecessors, (4761), 2545 states have call successors, (2545), 483 states have call predecessors, (2545), 473 states have return successors, (2554), 2493 states have call predecessors, (2554), 2545 states have call successors, (2554) [2023-11-25 00:09:40,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6830 states to 6830 states and 9860 transitions. [2023-11-25 00:09:40,889 INFO L78 Accepts]: Start accepts. Automaton has 6830 states and 9860 transitions. Word has length 259 [2023-11-25 00:09:40,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:09:40,892 INFO L495 AbstractCegarLoop]: Abstraction has 6830 states and 9860 transitions. [2023-11-25 00:09:40,892 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2023-11-25 00:09:40,893 INFO L276 IsEmpty]: Start isEmpty. Operand 6830 states and 9860 transitions. [2023-11-25 00:09:40,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2023-11-25 00:09:40,905 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:09:40,905 INFO L195 NwaCegarLoop]: trace histogram [16, 15, 15, 15, 15, 15, 15, 9, 6, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:09:40,905 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-25 00:09:40,906 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:09:40,916 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:09:40,916 INFO L85 PathProgramCache]: Analyzing trace with hash 560171911, now seen corresponding path program 1 times [2023-11-25 00:09:40,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:09:40,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455748613] [2023-11-25 00:09:40,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:09:40,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:09:41,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:09:41,600 INFO L134 CoverageAnalysis]: Checked inductivity of 988 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 988 trivial. 0 not checked. [2023-11-25 00:09:41,600 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:09:41,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455748613] [2023-11-25 00:09:41,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [455748613] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:09:41,604 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:09:41,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-25 00:09:41,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998796378] [2023-11-25 00:09:41,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:09:41,606 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-25 00:09:41,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:09:41,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-25 00:09:41,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:09:41,607 INFO L87 Difference]: Start difference. First operand 6830 states and 9860 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46)