./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 9bd2c7ff 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_06cf020a-11f9-4164-9875-8c0a5d7973f2/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06cf020a-11f9-4164-9875-8c0a5d7973f2/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06cf020a-11f9-4164-9875-8c0a5d7973f2/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06cf020a-11f9-4164-9875-8c0a5d7973f2/bin/utaipan-verify-t7M7D8N6sZ/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_06cf020a-11f9-4164-9875-8c0a5d7973f2/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06cf020a-11f9-4164-9875-8c0a5d7973f2/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a17c24f91a3bb3d64b949ed6598dfddc35ec4ff57290faa768ce9df2bba8e700 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:56:41,555 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:56:41,685 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06cf020a-11f9-4164-9875-8c0a5d7973f2/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-19 04:56:41,692 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:56:41,693 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:56:41,737 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:56:41,738 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:56:41,738 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:56:41,740 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:56:41,745 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:56:41,745 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:56:41,746 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:56:41,747 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:56:41,749 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:56:41,749 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:56:41,750 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:56:41,750 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:56:41,751 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:56:41,751 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:56:41,752 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:56:41,752 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:56:41,753 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:56:41,754 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:56:41,754 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:56:41,755 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:56:41,755 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:56:41,756 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:56:41,756 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:56:41,757 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:56:41,757 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:56:41,758 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:56:41,759 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:56:41,759 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:56:41,759 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:56:41,760 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:56:41,760 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:56:41,760 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:56:41,760 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:56:41,761 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:56:41,761 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:56:41,761 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:56:41,762 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:56:41,762 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_06cf020a-11f9-4164-9875-8c0a5d7973f2/bin/utaipan-verify-t7M7D8N6sZ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06cf020a-11f9-4164-9875-8c0a5d7973f2/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a17c24f91a3bb3d64b949ed6598dfddc35ec4ff57290faa768ce9df2bba8e700 [2023-11-19 04:56:42,074 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:56:42,107 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:56:42,110 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:56:42,111 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:56:42,112 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:56:42,113 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06cf020a-11f9-4164-9875-8c0a5d7973f2/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i [2023-11-19 04:56:45,350 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:56:46,060 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:56:46,061 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06cf020a-11f9-4164-9875-8c0a5d7973f2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i [2023-11-19 04:56:46,128 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06cf020a-11f9-4164-9875-8c0a5d7973f2/bin/utaipan-verify-t7M7D8N6sZ/data/2235b250a/8abdfa9c48074467a00a5b1dc11fb1d7/FLAGc06669264 [2023-11-19 04:56:46,146 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06cf020a-11f9-4164-9875-8c0a5d7973f2/bin/utaipan-verify-t7M7D8N6sZ/data/2235b250a/8abdfa9c48074467a00a5b1dc11fb1d7 [2023-11-19 04:56:46,152 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:56:46,153 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:56:46,157 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:56:46,157 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:56:46,163 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:56:46,164 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:56:46" (1/1) ... [2023-11-19 04:56:46,165 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33603f0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:56:46, skipping insertion in model container [2023-11-19 04:56:46,165 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:56:46" (1/1) ... [2023-11-19 04:56:46,365 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:56:50,460 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_06cf020a-11f9-4164-9875-8c0a5d7973f2/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] [2023-11-19 04:56:50,465 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_06cf020a-11f9-4164-9875-8c0a5d7973f2/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] [2023-11-19 04:56:50,465 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_06cf020a-11f9-4164-9875-8c0a5d7973f2/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] [2023-11-19 04:56:50,466 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_06cf020a-11f9-4164-9875-8c0a5d7973f2/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] [2023-11-19 04:56:50,489 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:56:50,535 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:56:50,732 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] [2023-11-19 04:56:50,734 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] [2023-11-19 04:56:50,735 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5900] [2023-11-19 04:56:50,737 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] [2023-11-19 04:56:50,738 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] [2023-11-19 04:56:50,739 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; nop": : : "memory"); [5962] [2023-11-19 04:56:50,741 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (__preempt_count)); [6038] [2023-11-19 04:56:50,741 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [6041] [2023-11-19 04:56:50,742 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [6044] [2023-11-19 04:56:50,742 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [6047] [2023-11-19 04:56:50,775 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (cpu_number)); [6657] [2023-11-19 04:56:50,776 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6660] [2023-11-19 04:56:50,777 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6663] [2023-11-19 04:56:50,778 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6666] [2023-11-19 04:56:50,778 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____0): "m" (cpu_number)); [6697] [2023-11-19 04:56:50,779 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6700] [2023-11-19 04:56:50,779 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6703] [2023-11-19 04:56:50,780 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6706] [2023-11-19 04:56:50,781 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____1): "m" (cpu_number)); [6737] [2023-11-19 04:56:50,781 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6740] [2023-11-19 04:56:50,781 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6743] [2023-11-19 04:56:50,782 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6746] [2023-11-19 04:56:50,782 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____2): "m" (cpu_number)); [6777] [2023-11-19 04:56:50,783 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6780] [2023-11-19 04:56:50,783 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6783] [2023-11-19 04:56:50,784 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6786] [2023-11-19 04:56:50,885 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7986] [2023-11-19 04:56:50,968 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9616] [2023-11-19 04:56:50,994 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9990] [2023-11-19 04:56:50,996 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [10003] [2023-11-19 04:56:50,997 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [10027] [2023-11-19 04:56:50,998 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [10040] [2023-11-19 04:56:51,012 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] [2023-11-19 04:56:51,112 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_06cf020a-11f9-4164-9875-8c0a5d7973f2/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] [2023-11-19 04:56:51,113 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_06cf020a-11f9-4164-9875-8c0a5d7973f2/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] [2023-11-19 04:56:51,114 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_06cf020a-11f9-4164-9875-8c0a5d7973f2/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] [2023-11-19 04:56:51,114 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_06cf020a-11f9-4164-9875-8c0a5d7973f2/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] [2023-11-19 04:56:51,128 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:56:51,497 WARN L675 CHandler]: The function __bad_size_call_parameter is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:56:51,497 WARN L675 CHandler]: The function strncpy is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:56:51,497 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:56:51,505 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:56:51,506 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:56:51 WrapperNode [2023-11-19 04:56:51,506 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:56:51,507 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:56:51,508 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:56:51,508 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:56:51,515 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:56:51" (1/1) ... [2023-11-19 04:56:51,626 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:56:51" (1/1) ... [2023-11-19 04:56:51,921 INFO L138 Inliner]: procedures = 537, calls = 2768, calls flagged for inlining = 264, calls inlined = 238, statements flattened = 7431 [2023-11-19 04:56:51,921 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:56:51,922 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:56:51,922 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:56:51,922 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:56:51,937 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:56:51" (1/1) ... [2023-11-19 04:56:51,938 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:56:51" (1/1) ... [2023-11-19 04:56:52,002 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:56:51" (1/1) ... [2023-11-19 04:56:52,013 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:56:51" (1/1) ... [2023-11-19 04:56:52,169 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:56:51" (1/1) ... [2023-11-19 04:56:52,195 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:56:51" (1/1) ... [2023-11-19 04:56:52,224 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:56:51" (1/1) ... [2023-11-19 04:56:52,251 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:56:51" (1/1) ... [2023-11-19 04:56:52,307 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:56:52,309 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:56:52,309 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:56:52,309 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:56:52,311 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:56:51" (1/1) ... [2023-11-19 04:56:52,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:56:52,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06cf020a-11f9-4164-9875-8c0a5d7973f2/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:56:52,344 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06cf020a-11f9-4164-9875-8c0a5d7973f2/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:56:52,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06cf020a-11f9-4164-9875-8c0a5d7973f2/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:56:52,404 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2023-11-19 04:56:52,405 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2023-11-19 04:56:52,405 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_get_eeprom_len [2023-11-19 04:56:52,405 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_get_eeprom_len [2023-11-19 04:56:52,405 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-19 04:56:52,405 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-19 04:56:52,406 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_nway_reset [2023-11-19 04:56:52,406 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_nway_reset [2023-11-19 04:56:52,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 04:56:52,406 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 04:56:52,406 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-19 04:56:52,406 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-19 04:56:52,406 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_87 [2023-11-19 04:56:52,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_87 [2023-11-19 04:56:52,407 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 04:56:52,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 04:56:52,407 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2023-11-19 04:56:52,407 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2023-11-19 04:56:52,407 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-19 04:56:52,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-19 04:56:52,408 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2023-11-19 04:56:52,408 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2023-11-19 04:56:52,409 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-19 04:56:52,410 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-19 04:56:52,410 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2023-11-19 04:56:52,410 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2023-11-19 04:56:52,410 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2023-11-19 04:56:52,410 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2023-11-19 04:56:52,411 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_free_irq [2023-11-19 04:56:52,411 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_free_irq [2023-11-19 04:56:52,411 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2023-11-19 04:56:52,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2023-11-19 04:56:52,412 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-19 04:56:52,412 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-19 04:56:52,413 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_close [2023-11-19 04:56:52,413 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_close [2023-11-19 04:56:52,413 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_get_speed_and_duplex [2023-11-19 04:56:52,413 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_get_speed_and_duplex [2023-11-19 04:56:52,413 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_force_ps [2023-11-19 04:56:52,413 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_force_ps [2023-11-19 04:56:52,414 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-19 04:56:52,414 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-19 04:56:52,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-19 04:56:52,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-19 04:56:52,414 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-19 04:56:52,415 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-19 04:56:52,415 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2023-11-19 04:56:52,416 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2023-11-19 04:56:52,416 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-19 04:56:52,417 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-19 04:56:52,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-19 04:56:52,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-19 04:56:52,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:56:52,418 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-19 04:56:52,418 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-19 04:56:52,418 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2023-11-19 04:56:52,418 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2023-11-19 04:56:52,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2023-11-19 04:56:52,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2023-11-19 04:56:52,419 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_write_phy_reg [2023-11-19 04:56:52,419 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_write_phy_reg [2023-11-19 04:56:52,419 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2023-11-19 04:56:52,420 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2023-11-19 04:56:52,420 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_vlan_mode [2023-11-19 04:56:52,420 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_vlan_mode [2023-11-19 04:56:52,420 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-19 04:56:52,420 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-19 04:56:52,420 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_up [2023-11-19 04:56:52,421 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_up [2023-11-19 04:56:52,421 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-19 04:56:52,421 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-19 04:56:52,421 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-19 04:56:52,421 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-19 04:56:52,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 04:56:52,422 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_tx_timeout [2023-11-19 04:56:52,422 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_tx_timeout [2023-11-19 04:56:52,422 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_irq_enable [2023-11-19 04:56:52,422 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_irq_enable [2023-11-19 04:56:52,422 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-19 04:56:52,422 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-19 04:56:52,422 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_poll_controller [2023-11-19 04:56:52,422 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_poll_controller [2023-11-19 04:56:52,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 04:56:52,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-19 04:56:52,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-19 04:56:52,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:56:52,423 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_irq_disable [2023-11-19 04:56:52,423 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_irq_disable [2023-11-19 04:56:52,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 04:56:52,423 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 04:56:52,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_stats_lock_of_atl2_adapter [2023-11-19 04:56:52,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_stats_lock_of_atl2_adapter [2023-11-19 04:56:52,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-19 04:56:52,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-19 04:56:52,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-19 04:56:52,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-19 04:56:52,424 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2023-11-19 04:56:52,424 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2023-11-19 04:56:52,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-19 04:56:52,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-19 04:56:52,425 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-19 04:56:52,425 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-19 04:56:52,425 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_shutdown [2023-11-19 04:56:52,425 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_shutdown [2023-11-19 04:56:52,425 INFO L130 BoogieDeclarations]: Found specification of procedure __atl2_vlan_mode [2023-11-19 04:56:52,425 INFO L138 BoogieDeclarations]: Found implementation of procedure __atl2_vlan_mode [2023-11-19 04:56:52,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-19 04:56:52,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-19 04:56:52,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:56:52,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-19 04:56:52,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-19 04:56:52,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-19 04:56:52,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-19 04:56:52,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2023-11-19 04:56:52,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2023-11-19 04:56:52,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:56:52,426 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2023-11-19 04:56:52,426 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2023-11-19 04:56:52,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-19 04:56:52,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-19 04:56:52,427 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-19 04:56:52,427 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-19 04:56:52,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 04:56:52,427 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-19 04:56:52,427 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_set_multi [2023-11-19 04:56:52,427 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_set_multi [2023-11-19 04:56:52,427 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_phy_init [2023-11-19 04:56:52,427 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_phy_init [2023-11-19 04:56:52,428 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-19 04:56:52,428 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-19 04:56:52,428 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_configure [2023-11-19 04:56:52,428 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_configure [2023-11-19 04:56:52,428 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_reset_hw [2023-11-19 04:56:52,428 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_reset_hw [2023-11-19 04:56:52,428 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-19 04:56:52,428 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-19 04:56:52,428 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-11-19 04:56:52,428 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-11-19 04:56:52,429 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_open [2023-11-19 04:56:52,429 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_open [2023-11-19 04:56:52,429 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-19 04:56:52,429 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-19 04:56:52,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-19 04:56:52,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-19 04:56:52,429 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_validate_option [2023-11-19 04:56:52,429 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_validate_option [2023-11-19 04:56:52,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_stats_lock_of_atl2_adapter [2023-11-19 04:56:52,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_stats_lock_of_atl2_adapter [2023-11-19 04:56:52,430 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-19 04:56:52,430 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-19 04:56:52,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:56:52,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:56:52,430 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_intr [2023-11-19 04:56:52,430 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_intr [2023-11-19 04:56:52,430 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-19 04:56:52,430 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-19 04:56:52,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 04:56:52,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 04:56:52,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 04:56:52,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 04:56:52,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-19 04:56:52,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-19 04:56:52,431 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-19 04:56:52,431 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-19 04:56:52,431 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2023-11-19 04:56:52,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-19 04:56:52,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-19 04:56:52,432 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_remove [2023-11-19 04:56:52,432 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_remove [2023-11-19 04:56:52,432 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_read_eeprom [2023-11-19 04:56:52,432 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_read_eeprom [2023-11-19 04:56:52,432 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2023-11-19 04:56:52,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2023-11-19 04:56:52,432 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-19 04:56:52,433 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-19 04:56:52,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 04:56:52,433 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 04:56:52,433 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_request_irq [2023-11-19 04:56:52,433 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_request_irq [2023-11-19 04:56:52,433 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-19 04:56:52,433 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-19 04:56:52,433 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_read_phy_reg [2023-11-19 04:56:52,433 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_read_phy_reg [2023-11-19 04:56:52,433 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies [2023-11-19 04:56:52,434 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies [2023-11-19 04:56:52,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:56:52,434 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-19 04:56:52,434 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-19 04:56:52,434 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2023-11-19 04:56:52,434 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2023-11-19 04:56:52,434 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-19 04:56:52,434 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-19 04:56:52,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 04:56:52,434 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2023-11-19 04:56:52,435 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2023-11-19 04:56:52,435 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_suspend [2023-11-19 04:56:52,435 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_suspend [2023-11-19 04:56:52,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 04:56:52,435 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 04:56:52,435 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 04:56:52,435 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_reinit_locked [2023-11-19 04:56:52,435 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_reinit_locked [2023-11-19 04:56:52,435 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-19 04:56:52,435 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-19 04:56:52,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-19 04:56:52,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-19 04:56:52,436 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-11-19 04:56:52,436 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-11-19 04:56:52,436 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_resume [2023-11-19 04:56:52,436 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_resume [2023-11-19 04:56:52,436 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-19 04:56:52,436 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-19 04:56:52,436 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-11-19 04:56:52,437 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-11-19 04:56:52,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_77 [2023-11-19 04:56:52,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_77 [2023-11-19 04:56:52,437 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-19 04:56:52,437 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-19 04:56:52,437 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 04:56:52,437 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 04:56:52,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:56:52,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 04:56:52,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 04:56:52,438 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_get_regs_len [2023-11-19 04:56:52,438 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_get_regs_len [2023-11-19 04:56:52,438 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_check_eeprom_exist [2023-11-19 04:56:52,438 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_check_eeprom_exist [2023-11-19 04:56:52,438 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-19 04:56:52,438 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-19 04:56:52,438 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_restore_vlan [2023-11-19 04:56:52,438 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_restore_vlan [2023-11-19 04:56:52,438 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-11-19 04:56:52,439 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-11-19 04:56:52,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_78 [2023-11-19 04:56:52,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_78 [2023-11-19 04:56:52,439 INFO L130 BoogieDeclarations]: Found specification of procedure init_ring_ptrs [2023-11-19 04:56:52,439 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ring_ptrs [2023-11-19 04:56:52,439 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2023-11-19 04:56:52,439 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2023-11-19 04:56:52,439 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2023-11-19 04:56:52,439 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2023-11-19 04:56:52,440 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_free_ring_resources [2023-11-19 04:56:52,440 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_free_ring_resources [2023-11-19 04:56:52,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-19 04:56:52,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-19 04:56:52,440 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_down [2023-11-19 04:56:52,440 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_down [2023-11-19 04:56:52,440 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2023-11-19 04:56:52,440 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2023-11-19 04:56:52,440 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2023-11-19 04:56:52,440 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2023-11-19 04:56:52,440 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-19 04:56:52,440 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-19 04:56:52,441 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-19 04:56:52,441 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-19 04:56:52,441 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_init_hw [2023-11-19 04:56:52,441 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_init_hw [2023-11-19 04:56:52,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:56:52,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-19 04:56:52,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-19 04:56:52,441 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2023-11-19 04:56:53,443 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:56:53,449 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:56:53,723 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 04:57:01,784 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-19 04:57:02,361 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:57:07,905 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:57:07,905 INFO L302 CfgBuilder]: Removed 7 assume(true) statements. [2023-11-19 04:57:07,927 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:57:07 BoogieIcfgContainer [2023-11-19 04:57:07,927 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:57:07,930 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:57:07,930 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:57:07,934 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:57:07,934 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:56:46" (1/3) ... [2023-11-19 04:57:07,936 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74b9b740 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:57:07, skipping insertion in model container [2023-11-19 04:57:07,936 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:56:51" (2/3) ... [2023-11-19 04:57:07,937 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74b9b740 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:57:07, skipping insertion in model container [2023-11-19 04:57:07,938 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:57:07" (3/3) ... [2023-11-19 04:57:07,940 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i [2023-11-19 04:57:07,963 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:57:07,964 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-19 04:57:08,090 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:57:08,097 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;@c57c09, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:57:08,097 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-19 04:57:08,110 INFO L276 IsEmpty]: Start isEmpty. Operand has 1809 states, 1043 states have (on average 1.25503355704698) internal successors, (1309), 1065 states have internal predecessors, (1309), 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) [2023-11-19 04:57:08,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-11-19 04:57:08,135 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:57:08,136 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] [2023-11-19 04:57:08,136 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)] === [2023-11-19 04:57:08,141 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:57:08,142 INFO L85 PathProgramCache]: Analyzing trace with hash -431377596, now seen corresponding path program 1 times [2023-11-19 04:57:08,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:57:08,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095878108] [2023-11-19 04:57:08,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:57:08,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:57:08,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:57:09,194 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 650 trivial. 0 not checked. [2023-11-19 04:57:09,195 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:57:09,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095878108] [2023-11-19 04:57:09,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095878108] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:57:09,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:57:09,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:57:09,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338417028] [2023-11-19 04:57:09,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:57:09,206 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:57:09,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:57:09,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:57:09,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:57:09,254 INFO L87 Difference]: Start difference. First operand has 1809 states, 1043 states have (on average 1.25503355704698) internal successors, (1309), 1065 states have internal predecessors, (1309), 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) [2023-11-19 04:57:19,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:57:19,011 INFO L93 Difference]: Finished difference Result 5307 states and 7695 transitions. [2023-11-19 04:57:19,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:57:19,014 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 [2023-11-19 04:57:19,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:57:19,062 INFO L225 Difference]: With dead ends: 5307 [2023-11-19 04:57:19,063 INFO L226 Difference]: Without dead ends: 3515 [2023-11-19 04:57:19,079 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:57:19,083 INFO L413 NwaCegarLoop]: 2239 mSDtfsCounter, 2480 mSDsluCounter, 2193 mSDsCounter, 0 mSdLazyCounter, 720 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2480 SdHoareTripleChecker+Valid, 4432 SdHoareTripleChecker+Invalid, 723 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 720 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2023-11-19 04:57:19,084 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2480 Valid, 4432 Invalid, 723 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 720 Invalid, 0 Unknown, 0 Unchecked, 9.3s Time] [2023-11-19 04:57:19,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3515 states. [2023-11-19 04:57:19,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3515 to 3511. [2023-11-19 04:57:19,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3511 states, 2038 states have (on average 1.2497546614327772) internal successors, (2547), 2080 states have internal predecessors, (2547), 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) [2023-11-19 04:57:19,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3511 states to 3511 states and 5010 transitions. [2023-11-19 04:57:19,418 INFO L78 Accepts]: Start accepts. Automaton has 3511 states and 5010 transitions. Word has length 147 [2023-11-19 04:57:19,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:57:19,422 INFO L495 AbstractCegarLoop]: Abstraction has 3511 states and 5010 transitions. [2023-11-19 04:57:19,422 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) [2023-11-19 04:57:19,422 INFO L276 IsEmpty]: Start isEmpty. Operand 3511 states and 5010 transitions. [2023-11-19 04:57:19,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-11-19 04:57:19,434 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:57:19,434 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] [2023-11-19 04:57:19,435 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 04:57:19,435 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)] === [2023-11-19 04:57:19,435 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:57:19,436 INFO L85 PathProgramCache]: Analyzing trace with hash 1903004331, now seen corresponding path program 1 times [2023-11-19 04:57:19,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:57:19,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763496563] [2023-11-19 04:57:19,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:57:19,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:57:19,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:57:20,020 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 650 trivial. 0 not checked. [2023-11-19 04:57:20,020 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:57:20,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763496563] [2023-11-19 04:57:20,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763496563] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:57:20,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:57:20,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:57:20,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766182160] [2023-11-19 04:57:20,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:57:20,029 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:57:20,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:57:20,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:57:20,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:57:20,032 INFO L87 Difference]: Start difference. First operand 3511 states and 5010 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) [2023-11-19 04:57:22,574 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:57:25,118 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 []