./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 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eab16d1-bf55-499f-b13c-a14c7a0429c1/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eab16d1-bf55-499f-b13c-a14c7a0429c1/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eab16d1-bf55-499f-b13c-a14c7a0429c1/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eab16d1-bf55-499f-b13c-a14c7a0429c1/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.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_4eab16d1-bf55-499f-b13c-a14c7a0429c1/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eab16d1-bf55-499f-b13c-a14c7a0429c1/bin/uautomizer-verify-bycVGegfSx --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a17c24f91a3bb3d64b949ed6598dfddc35ec4ff57290faa768ce9df2bba8e700 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:26:57,543 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:26:57,636 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eab16d1-bf55-499f-b13c-a14c7a0429c1/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-21 22:26:57,642 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:26:57,642 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:26:57,678 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:26:57,679 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:26:57,679 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:26:57,680 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:26:57,681 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:26:57,681 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:26:57,682 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:26:57,683 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:26:57,683 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:26:57,684 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:26:57,690 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:26:57,692 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:26:57,698 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:26:57,698 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:26:57,699 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:26:57,701 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:26:57,702 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:26:57,702 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:26:57,702 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:26:57,703 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:26:57,704 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:26:57,704 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:26:57,705 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:26:57,705 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:26:57,706 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:26:57,707 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:26:57,707 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:26:57,708 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:26:57,708 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:26:57,708 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:26:57,708 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:26:57,709 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:26:57,709 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:26:57,709 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:26:57,709 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eab16d1-bf55-499f-b13c-a14c7a0429c1/bin/uautomizer-verify-bycVGegfSx/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eab16d1-bf55-499f-b13c-a14c7a0429c1/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a17c24f91a3bb3d64b949ed6598dfddc35ec4ff57290faa768ce9df2bba8e700 [2023-11-21 22:26:58,018 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:26:58,046 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:26:58,049 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:26:58,051 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:26:58,051 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:26:58,053 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eab16d1-bf55-499f-b13c-a14c7a0429c1/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i [2023-11-21 22:27:01,262 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:27:02,108 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:27:02,109 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eab16d1-bf55-499f-b13c-a14c7a0429c1/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i [2023-11-21 22:27:02,185 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eab16d1-bf55-499f-b13c-a14c7a0429c1/bin/uautomizer-verify-bycVGegfSx/data/b9fd7e4f1/90689db8d51f4ffdbffb34cbff3ca1d5/FLAG6a2b9916d [2023-11-21 22:27:02,203 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eab16d1-bf55-499f-b13c-a14c7a0429c1/bin/uautomizer-verify-bycVGegfSx/data/b9fd7e4f1/90689db8d51f4ffdbffb34cbff3ca1d5 [2023-11-21 22:27:02,212 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:27:02,216 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:27:02,219 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:27:02,220 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:27:02,225 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:27:02,226 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:27:02" (1/1) ... [2023-11-21 22:27:02,227 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28e8b763 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:27:02, skipping insertion in model container [2023-11-21 22:27:02,228 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:27:02" (1/1) ... [2023-11-21 22:27:02,415 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:27:06,279 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_4eab16d1-bf55-499f-b13c-a14c7a0429c1/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] [2023-11-21 22:27:06,283 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_4eab16d1-bf55-499f-b13c-a14c7a0429c1/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] [2023-11-21 22:27:06,284 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_4eab16d1-bf55-499f-b13c-a14c7a0429c1/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] [2023-11-21 22:27:06,285 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_4eab16d1-bf55-499f-b13c-a14c7a0429c1/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] [2023-11-21 22:27:06,311 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:27:06,389 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:27:06,536 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] [2023-11-21 22:27:06,538 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] [2023-11-21 22:27:06,539 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5900] [2023-11-21 22:27:06,541 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] [2023-11-21 22:27:06,542 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] [2023-11-21 22:27:06,542 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; nop": : : "memory"); [5962] [2023-11-21 22:27:06,544 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (__preempt_count)); [6038] [2023-11-21 22:27:06,545 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [6041] [2023-11-21 22:27:06,545 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [6044] [2023-11-21 22:27:06,545 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [6047] [2023-11-21 22:27:06,574 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (cpu_number)); [6657] [2023-11-21 22:27:06,574 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6660] [2023-11-21 22:27:06,575 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6663] [2023-11-21 22:27:06,575 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6666] [2023-11-21 22:27:06,576 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____0): "m" (cpu_number)); [6697] [2023-11-21 22:27:06,576 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6700] [2023-11-21 22:27:06,577 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6703] [2023-11-21 22:27:06,577 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6706] [2023-11-21 22:27:06,578 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____1): "m" (cpu_number)); [6737] [2023-11-21 22:27:06,578 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6740] [2023-11-21 22:27:06,578 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6743] [2023-11-21 22:27:06,579 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6746] [2023-11-21 22:27:06,579 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____2): "m" (cpu_number)); [6777] [2023-11-21 22:27:06,580 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6780] [2023-11-21 22:27:06,580 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6783] [2023-11-21 22:27:06,580 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6786] [2023-11-21 22:27:06,731 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7986] [2023-11-21 22:27:06,798 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9616] [2023-11-21 22:27:06,818 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9990] [2023-11-21 22:27:06,819 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [10003] [2023-11-21 22:27:06,820 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [10027] [2023-11-21 22:27:06,821 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [10040] [2023-11-21 22:27:06,834 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] [2023-11-21 22:27:06,920 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_4eab16d1-bf55-499f-b13c-a14c7a0429c1/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] [2023-11-21 22:27:06,921 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_4eab16d1-bf55-499f-b13c-a14c7a0429c1/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] [2023-11-21 22:27:06,921 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_4eab16d1-bf55-499f-b13c-a14c7a0429c1/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] [2023-11-21 22:27:06,922 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_4eab16d1-bf55-499f-b13c-a14c7a0429c1/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] [2023-11-21 22:27:06,933 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:27:07,257 WARN L675 CHandler]: The function __bad_size_call_parameter is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:27:07,258 WARN L675 CHandler]: The function strncpy is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:27:07,258 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:27:07,268 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:27:07,269 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:27:07 WrapperNode [2023-11-21 22:27:07,269 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:27:07,271 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:27:07,271 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:27:07,271 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:27:07,279 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:27:07" (1/1) ... [2023-11-21 22:27:07,446 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:27:07" (1/1) ... [2023-11-21 22:27:07,991 INFO L138 Inliner]: procedures = 537, calls = 2768, calls flagged for inlining = 264, calls inlined = 238, statements flattened = 7431 [2023-11-21 22:27:07,997 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:27:07,998 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:27:07,998 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:27:07,998 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:27:08,011 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:27:07" (1/1) ... [2023-11-21 22:27:08,011 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:27:07" (1/1) ... [2023-11-21 22:27:08,088 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:27:07" (1/1) ... [2023-11-21 22:27:10,158 WARN L106 HeapSplitter]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure #Ultimate.C_memcpy is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2023-11-21 22:27:10,158 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:27:07" (1/1) ... [2023-11-21 22:27:10,158 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:27:07" (1/1) ... [2023-11-21 22:27:10,321 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:27:07" (1/1) ... [2023-11-21 22:27:10,354 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:27:07" (1/1) ... [2023-11-21 22:27:10,392 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:27:07" (1/1) ... [2023-11-21 22:27:10,412 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:27:07" (1/1) ... [2023-11-21 22:27:10,478 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:27:10,479 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:27:10,479 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:27:10,479 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:27:10,480 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:27:07" (1/1) ... [2023-11-21 22:27:10,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:27:10,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eab16d1-bf55-499f-b13c-a14c7a0429c1/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:27:10,512 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eab16d1-bf55-499f-b13c-a14c7a0429c1/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:27:10,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eab16d1-bf55-499f-b13c-a14c7a0429c1/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:27:10,572 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2023-11-21 22:27:10,572 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2023-11-21 22:27:10,572 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_get_eeprom_len [2023-11-21 22:27:10,572 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_get_eeprom_len [2023-11-21 22:27:10,572 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-21 22:27:10,573 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-21 22:27:10,573 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_nway_reset [2023-11-21 22:27:10,573 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_nway_reset [2023-11-21 22:27:10,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-21 22:27:10,573 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-21 22:27:10,573 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-21 22:27:10,574 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-21 22:27:10,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_87 [2023-11-21 22:27:10,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_87 [2023-11-21 22:27:10,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-21 22:27:10,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-21 22:27:10,574 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2023-11-21 22:27:10,575 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2023-11-21 22:27:10,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-21 22:27:10,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-21 22:27:10,575 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2023-11-21 22:27:10,575 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2023-11-21 22:27:10,576 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-21 22:27:10,576 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-21 22:27:10,577 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2023-11-21 22:27:10,577 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2023-11-21 22:27:10,577 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2023-11-21 22:27:10,578 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2023-11-21 22:27:10,578 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_free_irq [2023-11-21 22:27:10,578 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_free_irq [2023-11-21 22:27:10,578 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2023-11-21 22:27:10,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2023-11-21 22:27:10,578 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-21 22:27:10,579 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-21 22:27:10,579 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_close [2023-11-21 22:27:10,579 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_close [2023-11-21 22:27:10,579 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_get_speed_and_duplex [2023-11-21 22:27:10,579 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_get_speed_and_duplex [2023-11-21 22:27:10,580 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_force_ps [2023-11-21 22:27:10,580 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_force_ps [2023-11-21 22:27:10,580 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-21 22:27:10,580 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-21 22:27:10,580 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-21 22:27:10,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-21 22:27:10,581 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-21 22:27:10,581 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-21 22:27:10,581 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2023-11-21 22:27:10,582 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2023-11-21 22:27:10,582 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-21 22:27:10,582 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-21 22:27:10,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-21 22:27:10,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-21 22:27:10,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 22:27:10,584 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-21 22:27:10,584 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-21 22:27:10,584 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2023-11-21 22:27:10,584 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2023-11-21 22:27:10,585 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2023-11-21 22:27:10,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2023-11-21 22:27:10,585 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_write_phy_reg [2023-11-21 22:27:10,585 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_write_phy_reg [2023-11-21 22:27:10,585 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2023-11-21 22:27:10,586 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2023-11-21 22:27:10,586 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_vlan_mode [2023-11-21 22:27:10,586 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_vlan_mode [2023-11-21 22:27:10,586 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-21 22:27:10,586 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-21 22:27:10,587 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_up [2023-11-21 22:27:10,587 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_up [2023-11-21 22:27:10,587 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-21 22:27:10,587 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-21 22:27:10,587 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-21 22:27:10,588 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-21 22:27:10,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-21 22:27:10,588 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_tx_timeout [2023-11-21 22:27:10,588 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_tx_timeout [2023-11-21 22:27:10,588 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_irq_enable [2023-11-21 22:27:10,588 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_irq_enable [2023-11-21 22:27:10,589 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-21 22:27:10,589 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-21 22:27:10,589 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_poll_controller [2023-11-21 22:27:10,589 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_poll_controller [2023-11-21 22:27:10,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-21 22:27:10,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-21 22:27:10,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-21 22:27:10,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 22:27:10,590 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_irq_disable [2023-11-21 22:27:10,590 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_irq_disable [2023-11-21 22:27:10,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-21 22:27:10,590 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-21 22:27:10,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_stats_lock_of_atl2_adapter [2023-11-21 22:27:10,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_stats_lock_of_atl2_adapter [2023-11-21 22:27:10,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-21 22:27:10,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-21 22:27:10,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-21 22:27:10,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-21 22:27:10,591 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2023-11-21 22:27:10,592 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2023-11-21 22:27:10,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-21 22:27:10,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-21 22:27:10,592 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-21 22:27:10,592 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-21 22:27:10,592 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_shutdown [2023-11-21 22:27:10,593 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_shutdown [2023-11-21 22:27:10,593 INFO L130 BoogieDeclarations]: Found specification of procedure __atl2_vlan_mode [2023-11-21 22:27:10,593 INFO L138 BoogieDeclarations]: Found implementation of procedure __atl2_vlan_mode [2023-11-21 22:27:10,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-21 22:27:10,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-21 22:27:10,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 22:27:10,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-21 22:27:10,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-21 22:27:10,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-21 22:27:10,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-21 22:27:10,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2023-11-21 22:27:10,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2023-11-21 22:27:10,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:27:10,595 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2023-11-21 22:27:10,595 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2023-11-21 22:27:10,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-21 22:27:10,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-21 22:27:10,595 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-21 22:27:10,595 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-21 22:27:10,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 22:27:10,596 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-21 22:27:10,596 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_set_multi [2023-11-21 22:27:10,596 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_set_multi [2023-11-21 22:27:10,596 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_phy_init [2023-11-21 22:27:10,596 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_phy_init [2023-11-21 22:27:10,597 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-21 22:27:10,597 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-21 22:27:10,597 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_configure [2023-11-21 22:27:10,597 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_configure [2023-11-21 22:27:10,597 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_reset_hw [2023-11-21 22:27:10,597 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_reset_hw [2023-11-21 22:27:10,597 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-21 22:27:10,598 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-21 22:27:10,598 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-11-21 22:27:10,598 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-11-21 22:27:10,598 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_open [2023-11-21 22:27:10,598 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_open [2023-11-21 22:27:10,598 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-21 22:27:10,598 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-21 22:27:10,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-21 22:27:10,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-21 22:27:10,599 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_validate_option [2023-11-21 22:27:10,599 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_validate_option [2023-11-21 22:27:10,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_stats_lock_of_atl2_adapter [2023-11-21 22:27:10,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_stats_lock_of_atl2_adapter [2023-11-21 22:27:10,600 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-21 22:27:10,600 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-21 22:27:10,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:27:10,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:27:10,600 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_intr [2023-11-21 22:27:10,600 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_intr [2023-11-21 22:27:10,600 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-21 22:27:10,601 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-21 22:27:10,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-21 22:27:10,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-21 22:27:10,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-21 22:27:10,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-21 22:27:10,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-21 22:27:10,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-21 22:27:10,602 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-21 22:27:10,602 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-21 22:27:10,602 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2023-11-21 22:27:10,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-21 22:27:10,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-21 22:27:10,602 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_remove [2023-11-21 22:27:10,603 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_remove [2023-11-21 22:27:10,603 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_read_eeprom [2023-11-21 22:27:10,603 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_read_eeprom [2023-11-21 22:27:10,603 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2023-11-21 22:27:10,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2023-11-21 22:27:10,603 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-21 22:27:10,603 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-21 22:27:10,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-21 22:27:10,604 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-21 22:27:10,604 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_request_irq [2023-11-21 22:27:10,604 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_request_irq [2023-11-21 22:27:10,604 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-21 22:27:10,604 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-21 22:27:10,604 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_read_phy_reg [2023-11-21 22:27:10,605 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_read_phy_reg [2023-11-21 22:27:10,605 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies [2023-11-21 22:27:10,605 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies [2023-11-21 22:27:10,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 22:27:10,605 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-21 22:27:10,605 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-21 22:27:10,606 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2023-11-21 22:27:10,606 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2023-11-21 22:27:10,606 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-21 22:27:10,606 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-21 22:27:10,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 22:27:10,606 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2023-11-21 22:27:10,606 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2023-11-21 22:27:10,607 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_suspend [2023-11-21 22:27:10,607 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_suspend [2023-11-21 22:27:10,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-21 22:27:10,607 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-21 22:27:10,607 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-21 22:27:10,607 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_reinit_locked [2023-11-21 22:27:10,607 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_reinit_locked [2023-11-21 22:27:10,608 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-21 22:27:10,608 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-21 22:27:10,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-21 22:27:10,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-21 22:27:10,608 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-11-21 22:27:10,608 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-11-21 22:27:10,608 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_resume [2023-11-21 22:27:10,609 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_resume [2023-11-21 22:27:10,609 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-21 22:27:10,609 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-21 22:27:10,609 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-11-21 22:27:10,609 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-11-21 22:27:10,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_77 [2023-11-21 22:27:10,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_77 [2023-11-21 22:27:10,610 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-21 22:27:10,610 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-21 22:27:10,610 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-21 22:27:10,610 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-21 22:27:10,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 22:27:10,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-21 22:27:10,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-21 22:27:10,611 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_get_regs_len [2023-11-21 22:27:10,611 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_get_regs_len [2023-11-21 22:27:10,611 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_check_eeprom_exist [2023-11-21 22:27:10,611 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_check_eeprom_exist [2023-11-21 22:27:10,611 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-21 22:27:10,611 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-21 22:27:10,611 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_restore_vlan [2023-11-21 22:27:10,612 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_restore_vlan [2023-11-21 22:27:10,612 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-11-21 22:27:10,612 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-11-21 22:27:10,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_78 [2023-11-21 22:27:10,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_78 [2023-11-21 22:27:10,612 INFO L130 BoogieDeclarations]: Found specification of procedure init_ring_ptrs [2023-11-21 22:27:10,612 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ring_ptrs [2023-11-21 22:27:10,613 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2023-11-21 22:27:10,613 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2023-11-21 22:27:10,613 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2023-11-21 22:27:10,613 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2023-11-21 22:27:10,613 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_free_ring_resources [2023-11-21 22:27:10,613 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_free_ring_resources [2023-11-21 22:27:10,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-21 22:27:10,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-21 22:27:10,614 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_down [2023-11-21 22:27:10,614 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_down [2023-11-21 22:27:10,614 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2023-11-21 22:27:10,614 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2023-11-21 22:27:10,614 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2023-11-21 22:27:10,614 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2023-11-21 22:27:10,615 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-21 22:27:10,615 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-21 22:27:10,615 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-21 22:27:10,615 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-21 22:27:10,615 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_init_hw [2023-11-21 22:27:10,615 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_init_hw [2023-11-21 22:27:10,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 22:27:10,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-21 22:27:10,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-21 22:27:10,616 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2023-11-21 22:27:11,645 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:27:11,650 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:27:11,766 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-21 22:27:19,683 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-21 22:27:20,308 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:27:28,052 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:27:28,052 INFO L308 CfgBuilder]: Removed 7 assume(true) statements. [2023-11-21 22:27:28,055 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:27:28 BoogieIcfgContainer [2023-11-21 22:27:28,055 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:27:28,058 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:27:28,058 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:27:28,062 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:27:28,062 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:27:02" (1/3) ... [2023-11-21 22:27:28,063 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33d09d09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:27:28, skipping insertion in model container [2023-11-21 22:27:28,063 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:27:07" (2/3) ... [2023-11-21 22:27:28,063 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33d09d09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:27:28, skipping insertion in model container [2023-11-21 22:27:28,063 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:27:28" (3/3) ... [2023-11-21 22:27:28,065 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i [2023-11-21 22:27:28,085 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:27:28,085 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-21 22:27:28,182 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:27:28,189 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@47c95879, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:27:28,189 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-21 22:27:28,201 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) [2023-11-21 22:27:28,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-11-21 22:27:28,222 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:27:28,223 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] [2023-11-21 22:27:28,223 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)] === [2023-11-21 22:27:28,228 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:27:28,229 INFO L85 PathProgramCache]: Analyzing trace with hash 567253123, now seen corresponding path program 1 times [2023-11-21 22:27:28,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:27:28,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850777793] [2023-11-21 22:27:28,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:27:28,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:27:28,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:29,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:27:29,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:29,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:27:29,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:29,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-21 22:27:29,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:29,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:27:29,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:29,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-21 22:27:29,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:29,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:27:29,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:29,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-21 22:27:29,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:29,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:27:29,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:29,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-21 22:27:29,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:29,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:27:29,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:29,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-21 22:27:29,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:29,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:27:29,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:29,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-21 22:27:29,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:29,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:27:29,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:29,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-21 22:27:29,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:29,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:27:29,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:29,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-21 22:27:29,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:29,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:27:29,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:29,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-21 22:27:29,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:29,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:27:29,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:29,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-21 22:27:29,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:29,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:27:29,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:29,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-21 22:27:29,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:29,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:27:29,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:29,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-21 22:27:29,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:29,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:27:29,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:29,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-11-21 22:27:29,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:29,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-11-21 22:27:29,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:29,607 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 650 trivial. 0 not checked. [2023-11-21 22:27:29,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:27:29,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850777793] [2023-11-21 22:27:29,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [850777793] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:27:29,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:27:29,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-21 22:27:29,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022831972] [2023-11-21 22:27:29,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:27:29,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-21 22:27:29,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:27:29,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 22:27:29,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-21 22:27:29,668 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 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2023-11-21 22:27:40,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:27:44,101 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 [] [2023-11-21 22:27:47,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:27:47,313 INFO L93 Difference]: Finished difference Result 5493 states and 8000 transitions. [2023-11-21 22:27:47,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-21 22:27:47,322 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 3 states have call successors, (18), 3 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 [2023-11-21 22:27:47,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:27:47,392 INFO L225 Difference]: With dead ends: 5493 [2023-11-21 22:27:47,393 INFO L226 Difference]: Without dead ends: 3701 [2023-11-21 22:27:47,417 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-21 22:27:47,421 INFO L413 NwaCegarLoop]: 1687 mSDtfsCounter, 2948 mSDsluCounter, 1971 mSDsCounter, 0 mSdLazyCounter, 2829 mSolverCounterSat, 1757 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3544 SdHoareTripleChecker+Valid, 3658 SdHoareTripleChecker+Invalid, 4587 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1757 IncrementalHoareTripleChecker+Valid, 2829 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.0s IncrementalHoareTripleChecker+Time [2023-11-21 22:27:47,422 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3544 Valid, 3658 Invalid, 4587 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1757 Valid, 2829 Invalid, 1 Unknown, 0 Unchecked, 17.0s Time] [2023-11-21 22:27:47,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3701 states.