./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.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_a20806ee-0fb6-462d-9cb9-bab127374359/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20806ee-0fb6-462d-9cb9-bab127374359/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_a20806ee-0fb6-462d-9cb9-bab127374359/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20806ee-0fb6-462d-9cb9-bab127374359/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20806ee-0fb6-462d-9cb9-bab127374359/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_a20806ee-0fb6-462d-9cb9-bab127374359/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 a17c24f91a3bb3d64b949ed6598dfddc35ec4ff57290faa768ce9df2bba8e700 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:01:06,065 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:01:06,184 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20806ee-0fb6-462d-9cb9-bab127374359/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-25 00:01:06,195 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:01:06,196 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:01:06,242 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:01:06,243 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:01:06,244 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:01:06,245 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:01:06,250 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:01:06,251 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:01:06,251 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:01:06,251 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:01:06,253 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-25 00:01:06,254 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:01:06,254 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:01:06,255 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-25 00:01:06,255 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-25 00:01:06,256 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:01:06,256 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-25 00:01:06,257 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-25 00:01:06,257 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-25 00:01:06,259 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:01:06,259 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-25 00:01:06,259 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-25 00:01:06,260 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:01:06,260 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-25 00:01:06,261 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:01:06,261 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-25 00:01:06,262 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-25 00:01:06,263 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:01:06,264 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:01:06,264 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-25 00:01:06,264 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:01:06,264 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:01:06,265 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:01:06,265 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:01:06,265 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-25 00:01:06,265 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-25 00:01:06,266 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-25 00:01:06,266 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:01:06,266 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-25 00:01:06,267 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:01:06,267 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:01:06,267 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_a20806ee-0fb6-462d-9cb9-bab127374359/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20806ee-0fb6-462d-9cb9-bab127374359/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a17c24f91a3bb3d64b949ed6598dfddc35ec4ff57290faa768ce9df2bba8e700 [2023-11-25 00:01:06,570 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:01:06,602 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:01:06,605 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:01:06,606 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:01:06,607 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:01:06,609 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20806ee-0fb6-462d-9cb9-bab127374359/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i [2023-11-25 00:01:09,654 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:01:10,480 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:01:10,481 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20806ee-0fb6-462d-9cb9-bab127374359/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i [2023-11-25 00:01:10,555 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20806ee-0fb6-462d-9cb9-bab127374359/bin/utaipan-verify-SwPr7d2a91/data/3feea7d3b/a4bc22b5e1d6498ca7f19292dac6cc86/FLAG7bcd700bc [2023-11-25 00:01:10,572 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20806ee-0fb6-462d-9cb9-bab127374359/bin/utaipan-verify-SwPr7d2a91/data/3feea7d3b/a4bc22b5e1d6498ca7f19292dac6cc86 [2023-11-25 00:01:10,578 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:01:10,580 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:01:10,582 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:01:10,582 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:01:10,588 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:01:10,589 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:01:10" (1/1) ... [2023-11-25 00:01:10,590 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e2c786 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:10, skipping insertion in model container [2023-11-25 00:01:10,591 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:01:10" (1/1) ... [2023-11-25 00:01:10,779 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:01:14,586 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_a20806ee-0fb6-462d-9cb9-bab127374359/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i[396127,396140] [2023-11-25 00:01:14,595 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_a20806ee-0fb6-462d-9cb9-bab127374359/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i[396296,396309] [2023-11-25 00:01:14,603 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_a20806ee-0fb6-462d-9cb9-bab127374359/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i[396463,396476] [2023-11-25 00:01:14,604 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_a20806ee-0fb6-462d-9cb9-bab127374359/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i[396631,396644] [2023-11-25 00:01:14,640 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:01:14,716 INFO L202 MainTranslator]: Completed pre-run [2023-11-25 00:01:14,893 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"); [5886] [2023-11-25 00:01:14,895 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)); [5893] [2023-11-25 00:01:14,896 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5900] [2023-11-25 00:01:14,898 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/f860c18/linux-kernel-locking-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [5940-5941] [2023-11-25 00:01:14,898 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"); [5946-5948] [2023-11-25 00:01:14,899 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; nop": : : "memory"); [5962] [2023-11-25 00:01:14,901 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (__preempt_count)); [6038] [2023-11-25 00:01:14,901 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [6041] [2023-11-25 00:01:14,902 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [6044] [2023-11-25 00:01:14,902 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [6047] [2023-11-25 00:01:14,930 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (cpu_number)); [6657] [2023-11-25 00:01:14,931 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6660] [2023-11-25 00:01:14,931 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6663] [2023-11-25 00:01:14,931 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6666] [2023-11-25 00:01:14,932 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____0): "m" (cpu_number)); [6697] [2023-11-25 00:01:14,932 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6700] [2023-11-25 00:01:14,932 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6703] [2023-11-25 00:01:14,933 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6706] [2023-11-25 00:01:14,933 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____1): "m" (cpu_number)); [6737] [2023-11-25 00:01:14,933 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6740] [2023-11-25 00:01:14,934 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6743] [2023-11-25 00:01:14,934 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6746] [2023-11-25 00:01:14,934 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____2): "m" (cpu_number)); [6777] [2023-11-25 00:01:14,935 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6780] [2023-11-25 00:01:14,935 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6783] [2023-11-25 00:01:14,935 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6786] [2023-11-25 00:01:15,038 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7986] [2023-11-25 00:01:15,098 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9616] [2023-11-25 00:01:15,119 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9990] [2023-11-25 00:01:15,120 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [10003] [2023-11-25 00:01:15,121 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [10027] [2023-11-25 00:01:15,121 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [10040] [2023-11-25 00:01:15,132 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/atheros/atlx/atl2.c"), "i" (2966), "i" (12UL)); [10399-10400] [2023-11-25 00:01:15,214 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_a20806ee-0fb6-462d-9cb9-bab127374359/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i[396127,396140] [2023-11-25 00:01:15,215 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_a20806ee-0fb6-462d-9cb9-bab127374359/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i[396296,396309] [2023-11-25 00:01:15,215 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_a20806ee-0fb6-462d-9cb9-bab127374359/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i[396463,396476] [2023-11-25 00:01:15,218 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_a20806ee-0fb6-462d-9cb9-bab127374359/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i[396631,396644] [2023-11-25 00:01:15,228 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:01:15,529 WARN L675 CHandler]: The function __bad_size_call_parameter is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:01:15,532 WARN L675 CHandler]: The function strncpy is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:01:15,532 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:01:15,540 INFO L206 MainTranslator]: Completed translation [2023-11-25 00:01:15,541 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:15 WrapperNode [2023-11-25 00:01:15,541 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:01:15,542 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-25 00:01:15,542 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-25 00:01:15,543 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-25 00:01:15,551 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:15" (1/1) ... [2023-11-25 00:01:15,677 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:15" (1/1) ... [2023-11-25 00:01:16,025 INFO L138 Inliner]: procedures = 537, calls = 2768, calls flagged for inlining = 264, calls inlined = 238, statements flattened = 7471 [2023-11-25 00:01:16,026 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-25 00:01:16,027 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-25 00:01:16,027 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-25 00:01:16,027 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-25 00:01:16,038 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:15" (1/1) ... [2023-11-25 00:01:16,039 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:15" (1/1) ... [2023-11-25 00:01:16,111 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:15" (1/1) ... [2023-11-25 00:01:16,112 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:15" (1/1) ... [2023-11-25 00:01:16,317 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:15" (1/1) ... [2023-11-25 00:01:16,352 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:15" (1/1) ... [2023-11-25 00:01:16,394 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:15" (1/1) ... [2023-11-25 00:01:16,428 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:15" (1/1) ... [2023-11-25 00:01:16,483 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-25 00:01:16,484 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-25 00:01:16,484 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-25 00:01:16,484 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-25 00:01:16,485 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:15" (1/1) ... [2023-11-25 00:01:16,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:01:16,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20806ee-0fb6-462d-9cb9-bab127374359/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:01:16,517 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20806ee-0fb6-462d-9cb9-bab127374359/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-25 00:01:16,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20806ee-0fb6-462d-9cb9-bab127374359/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-25 00:01:16,569 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2023-11-25 00:01:16,569 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2023-11-25 00:01:16,569 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_get_eeprom_len [2023-11-25 00:01:16,569 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_get_eeprom_len [2023-11-25 00:01:16,570 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-25 00:01:16,570 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-25 00:01:16,570 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_nway_reset [2023-11-25 00:01:16,570 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_nway_reset [2023-11-25 00:01:16,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-25 00:01:16,570 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-25 00:01:16,571 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-25 00:01:16,571 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-25 00:01:16,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_87 [2023-11-25 00:01:16,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_87 [2023-11-25 00:01:16,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-25 00:01:16,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-25 00:01:16,572 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2023-11-25 00:01:16,572 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2023-11-25 00:01:16,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-25 00:01:16,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-25 00:01:16,573 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2023-11-25 00:01:16,574 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2023-11-25 00:01:16,574 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-25 00:01:16,574 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-25 00:01:16,575 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2023-11-25 00:01:16,575 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2023-11-25 00:01:16,575 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2023-11-25 00:01:16,575 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2023-11-25 00:01:16,575 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_free_irq [2023-11-25 00:01:16,575 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_free_irq [2023-11-25 00:01:16,576 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2023-11-25 00:01:16,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2023-11-25 00:01:16,577 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-25 00:01:16,577 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-25 00:01:16,577 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_close [2023-11-25 00:01:16,577 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_close [2023-11-25 00:01:16,578 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_get_speed_and_duplex [2023-11-25 00:01:16,578 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_get_speed_and_duplex [2023-11-25 00:01:16,578 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_force_ps [2023-11-25 00:01:16,578 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_force_ps [2023-11-25 00:01:16,578 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-25 00:01:16,578 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-25 00:01:16,579 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-25 00:01:16,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-25 00:01:16,580 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-25 00:01:16,580 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-25 00:01:16,580 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2023-11-25 00:01:16,580 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2023-11-25 00:01:16,581 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-25 00:01:16,581 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-25 00:01:16,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-25 00:01:16,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-25 00:01:16,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-25 00:01:16,581 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-25 00:01:16,582 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-25 00:01:16,582 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2023-11-25 00:01:16,582 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2023-11-25 00:01:16,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2023-11-25 00:01:16,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2023-11-25 00:01:16,583 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_write_phy_reg [2023-11-25 00:01:16,583 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_write_phy_reg [2023-11-25 00:01:16,583 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2023-11-25 00:01:16,583 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2023-11-25 00:01:16,583 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_vlan_mode [2023-11-25 00:01:16,584 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_vlan_mode [2023-11-25 00:01:16,584 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-25 00:01:16,584 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-25 00:01:16,584 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_up [2023-11-25 00:01:16,585 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_up [2023-11-25 00:01:16,585 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-25 00:01:16,585 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-25 00:01:16,585 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-25 00:01:16,586 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-25 00:01:16,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-25 00:01:16,586 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_tx_timeout [2023-11-25 00:01:16,586 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_tx_timeout [2023-11-25 00:01:16,587 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_irq_enable [2023-11-25 00:01:16,587 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_irq_enable [2023-11-25 00:01:16,587 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-25 00:01:16,587 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-25 00:01:16,588 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_poll_controller [2023-11-25 00:01:16,588 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_poll_controller [2023-11-25 00:01:16,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-25 00:01:16,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-25 00:01:16,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-25 00:01:16,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-25 00:01:16,590 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_irq_disable [2023-11-25 00:01:16,590 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_irq_disable [2023-11-25 00:01:16,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-25 00:01:16,590 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-25 00:01:16,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_stats_lock_of_atl2_adapter [2023-11-25 00:01:16,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_stats_lock_of_atl2_adapter [2023-11-25 00:01:16,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-25 00:01:16,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-25 00:01:16,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-25 00:01:16,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-25 00:01:16,592 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2023-11-25 00:01:16,593 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2023-11-25 00:01:16,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-25 00:01:16,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-25 00:01:16,593 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-25 00:01:16,593 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-25 00:01:16,593 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_shutdown [2023-11-25 00:01:16,594 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_shutdown [2023-11-25 00:01:16,594 INFO L130 BoogieDeclarations]: Found specification of procedure __atl2_vlan_mode [2023-11-25 00:01:16,595 INFO L138 BoogieDeclarations]: Found implementation of procedure __atl2_vlan_mode [2023-11-25 00:01:16,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-25 00:01:16,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-25 00:01:16,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-25 00:01:16,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-25 00:01:16,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-25 00:01:16,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-25 00:01:16,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-25 00:01:16,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2023-11-25 00:01:16,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2023-11-25 00:01:16,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-25 00:01:16,608 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2023-11-25 00:01:16,608 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2023-11-25 00:01:16,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-25 00:01:16,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-25 00:01:16,609 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-25 00:01:16,609 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-25 00:01:16,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-25 00:01:16,609 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-25 00:01:16,610 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_set_multi [2023-11-25 00:01:16,610 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_set_multi [2023-11-25 00:01:16,610 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_phy_init [2023-11-25 00:01:16,610 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_phy_init [2023-11-25 00:01:16,610 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-25 00:01:16,610 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-25 00:01:16,610 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_configure [2023-11-25 00:01:16,611 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_configure [2023-11-25 00:01:16,611 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_reset_hw [2023-11-25 00:01:16,611 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_reset_hw [2023-11-25 00:01:16,611 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-25 00:01:16,611 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-25 00:01:16,611 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-11-25 00:01:16,611 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-11-25 00:01:16,612 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_open [2023-11-25 00:01:16,612 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_open [2023-11-25 00:01:16,612 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-25 00:01:16,612 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-25 00:01:16,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-25 00:01:16,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-25 00:01:16,613 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_validate_option [2023-11-25 00:01:16,613 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_validate_option [2023-11-25 00:01:16,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_stats_lock_of_atl2_adapter [2023-11-25 00:01:16,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_stats_lock_of_atl2_adapter [2023-11-25 00:01:16,613 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-25 00:01:16,613 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-25 00:01:16,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-25 00:01:16,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-25 00:01:16,614 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_intr [2023-11-25 00:01:16,614 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_intr [2023-11-25 00:01:16,614 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-25 00:01:16,614 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-25 00:01:16,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-25 00:01:16,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-25 00:01:16,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-25 00:01:16,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-25 00:01:16,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-25 00:01:16,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-25 00:01:16,615 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-25 00:01:16,616 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-25 00:01:16,616 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2023-11-25 00:01:16,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-25 00:01:16,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-25 00:01:16,616 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_remove [2023-11-25 00:01:16,616 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_remove [2023-11-25 00:01:16,617 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_read_eeprom [2023-11-25 00:01:16,617 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_read_eeprom [2023-11-25 00:01:16,617 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2023-11-25 00:01:16,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2023-11-25 00:01:16,617 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-25 00:01:16,617 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-25 00:01:16,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-25 00:01:16,618 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-25 00:01:16,618 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_request_irq [2023-11-25 00:01:16,618 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_request_irq [2023-11-25 00:01:16,618 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-25 00:01:16,618 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-25 00:01:16,618 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_read_phy_reg [2023-11-25 00:01:16,618 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_read_phy_reg [2023-11-25 00:01:16,619 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies [2023-11-25 00:01:16,619 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies [2023-11-25 00:01:16,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-25 00:01:16,619 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-25 00:01:16,619 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-25 00:01:16,619 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2023-11-25 00:01:16,619 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2023-11-25 00:01:16,620 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-25 00:01:16,620 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-25 00:01:16,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-25 00:01:16,620 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2023-11-25 00:01:16,620 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2023-11-25 00:01:16,620 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_suspend [2023-11-25 00:01:16,620 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_suspend [2023-11-25 00:01:16,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-25 00:01:16,621 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-25 00:01:16,621 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-25 00:01:16,621 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_reinit_locked [2023-11-25 00:01:16,621 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_reinit_locked [2023-11-25 00:01:16,621 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-25 00:01:16,621 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-25 00:01:16,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-25 00:01:16,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-25 00:01:16,622 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-11-25 00:01:16,622 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-11-25 00:01:16,622 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_resume [2023-11-25 00:01:16,622 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_resume [2023-11-25 00:01:16,622 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-25 00:01:16,622 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-25 00:01:16,622 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-11-25 00:01:16,622 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-11-25 00:01:16,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_77 [2023-11-25 00:01:16,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_77 [2023-11-25 00:01:16,623 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-25 00:01:16,623 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-25 00:01:16,623 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-25 00:01:16,623 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-25 00:01:16,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-25 00:01:16,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-25 00:01:16,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-25 00:01:16,624 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_get_regs_len [2023-11-25 00:01:16,624 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_get_regs_len [2023-11-25 00:01:16,624 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_check_eeprom_exist [2023-11-25 00:01:16,624 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_check_eeprom_exist [2023-11-25 00:01:16,624 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-25 00:01:16,624 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-25 00:01:16,625 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_restore_vlan [2023-11-25 00:01:16,625 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_restore_vlan [2023-11-25 00:01:16,625 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-11-25 00:01:16,626 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-11-25 00:01:16,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_78 [2023-11-25 00:01:16,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_78 [2023-11-25 00:01:16,630 INFO L130 BoogieDeclarations]: Found specification of procedure init_ring_ptrs [2023-11-25 00:01:16,630 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ring_ptrs [2023-11-25 00:01:16,630 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2023-11-25 00:01:16,630 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2023-11-25 00:01:16,630 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2023-11-25 00:01:16,630 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2023-11-25 00:01:16,630 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_free_ring_resources [2023-11-25 00:01:16,631 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_free_ring_resources [2023-11-25 00:01:16,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-25 00:01:16,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-25 00:01:16,632 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_down [2023-11-25 00:01:16,632 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_down [2023-11-25 00:01:16,632 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2023-11-25 00:01:16,632 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2023-11-25 00:01:16,632 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2023-11-25 00:01:16,632 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2023-11-25 00:01:16,632 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-25 00:01:16,633 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-25 00:01:16,633 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-25 00:01:16,633 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-25 00:01:16,633 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_init_hw [2023-11-25 00:01:16,633 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_init_hw [2023-11-25 00:01:16,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-25 00:01:16,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-25 00:01:16,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-25 00:01:16,634 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2023-11-25 00:01:17,718 INFO L241 CfgBuilder]: Building ICFG [2023-11-25 00:01:17,726 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-25 00:01:17,895 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-25 00:01:25,038 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-25 00:01:25,622 INFO L282 CfgBuilder]: Performing block encoding [2023-11-25 00:01:30,402 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-25 00:01:30,402 INFO L309 CfgBuilder]: Removed 7 assume(true) statements. [2023-11-25 00:01:30,405 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:01:30 BoogieIcfgContainer [2023-11-25 00:01:30,405 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-25 00:01:30,409 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-25 00:01:30,409 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-25 00:01:30,412 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-25 00:01:30,413 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 12:01:10" (1/3) ... [2023-11-25 00:01:30,413 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2526c24c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:01:30, skipping insertion in model container [2023-11-25 00:01:30,414 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:15" (2/3) ... [2023-11-25 00:01:30,415 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2526c24c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:01:30, skipping insertion in model container [2023-11-25 00:01:30,415 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:01:30" (3/3) ... [2023-11-25 00:01:30,417 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i [2023-11-25 00:01:30,439 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-25 00:01:30,439 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-25 00:01:30,559 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-25 00:01:30,569 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;@4e3796bc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-25 00:01:30,569 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-25 00:01:30,586 INFO L276 IsEmpty]: Start isEmpty. Operand has 1816 states, 1050 states have (on average 1.2533333333333334) internal successors, (1316), 1067 states have internal predecessors, (1316), 643 states have call successors, (643), 121 states have call predecessors, (643), 120 states have return successors, (638), 636 states have call predecessors, (638), 638 states have call successors, (638) [2023-11-25 00:01:30,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-11-25 00:01:30,614 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:01:30,615 INFO L195 NwaCegarLoop]: trace histogram [14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:01:30,616 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-25 00:01:30,626 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:01:30,627 INFO L85 PathProgramCache]: Analyzing trace with hash 534072058, now seen corresponding path program 1 times [2023-11-25 00:01:30,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:01:30,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114618828] [2023-11-25 00:01:30,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:01:30,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:01:31,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:01:31,711 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 650 trivial. 0 not checked. [2023-11-25 00:01:31,712 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:01:31,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114618828] [2023-11-25 00:01:31,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [114618828] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:01:31,713 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:01:31,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-25 00:01:31,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134269623] [2023-11-25 00:01:31,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:01:31,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-25 00:01:31,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:01:31,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-25 00:01:31,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:01:31,770 INFO L87 Difference]: Start difference. First operand has 1816 states, 1050 states have (on average 1.2533333333333334) internal successors, (1316), 1067 states have internal predecessors, (1316), 643 states have call successors, (643), 121 states have call predecessors, (643), 120 states have return successors, (638), 636 states have call predecessors, (638), 638 states have call successors, (638) Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2023-11-25 00:01:38,112 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-25 00:01:40,433 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-25 00:01:42,438 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-25 00:01:46,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-25 00:01:47,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:01:47,418 INFO L93 Difference]: Finished difference Result 5328 states and 7716 transitions. [2023-11-25 00:01:47,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-25 00:01:47,421 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 147 [2023-11-25 00:01:47,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:01:47,486 INFO L225 Difference]: With dead ends: 5328 [2023-11-25 00:01:47,487 INFO L226 Difference]: Without dead ends: 3529 [2023-11-25 00:01:47,506 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 00:01:47,510 INFO L413 NwaCegarLoop]: 2246 mSDtfsCounter, 2487 mSDsluCounter, 2200 mSDsCounter, 0 mSdLazyCounter, 717 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2487 SdHoareTripleChecker+Valid, 4446 SdHoareTripleChecker+Invalid, 724 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 717 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.2s IncrementalHoareTripleChecker+Time [2023-11-25 00:01:47,516 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2487 Valid, 4446 Invalid, 724 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 717 Invalid, 4 Unknown, 0 Unchecked, 15.2s Time] [2023-11-25 00:01:47,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3529 states. [2023-11-25 00:01:47,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3529 to 3525. [2023-11-25 00:01:47,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3525 states, 2052 states have (on average 1.2480506822612085) internal successors, (2561), 2084 states have internal predecessors, (2561), 1233 states have call successors, (1233), 238 states have call predecessors, (1233), 237 states have return successors, (1230), 1226 states have call predecessors, (1230), 1230 states have call successors, (1230) [2023-11-25 00:01:47,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3525 states to 3525 states and 5024 transitions. [2023-11-25 00:01:47,919 INFO L78 Accepts]: Start accepts. Automaton has 3525 states and 5024 transitions. Word has length 147 [2023-11-25 00:01:47,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:01:47,922 INFO L495 AbstractCegarLoop]: Abstraction has 3525 states and 5024 transitions. [2023-11-25 00:01:47,923 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2023-11-25 00:01:47,923 INFO L276 IsEmpty]: Start isEmpty. Operand 3525 states and 5024 transitions. [2023-11-25 00:01:47,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-11-25 00:01:47,937 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:01:47,938 INFO L195 NwaCegarLoop]: trace histogram [14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:01:47,938 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-25 00:01:47,939 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-25 00:01:47,939 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:01:47,939 INFO L85 PathProgramCache]: Analyzing trace with hash -50042475, now seen corresponding path program 1 times [2023-11-25 00:01:47,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:01:47,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189752531] [2023-11-25 00:01:47,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:01:47,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:01:48,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:01:48,375 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 650 trivial. 0 not checked. [2023-11-25 00:01:48,376 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:01:48,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189752531] [2023-11-25 00:01:48,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189752531] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:01:48,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:01:48,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-25 00:01:48,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599935001] [2023-11-25 00:01:48,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:01:48,379 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-25 00:01:48,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:01:48,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-25 00:01:48,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:01:48,381 INFO L87 Difference]: Start difference. First operand 3525 states and 5024 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2023-11-25 00:01:53,709 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []