./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 cf1a7837 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_b6329612-e155-4cd4-9a05-b001390f0bda/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6329612-e155-4cd4-9a05-b001390f0bda/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6329612-e155-4cd4-9a05-b001390f0bda/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6329612-e155-4cd4-9a05-b001390f0bda/bin/uautomizer-verify-uTZkv6EMXl/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_b6329612-e155-4cd4-9a05-b001390f0bda/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6329612-e155-4cd4-9a05-b001390f0bda/bin/uautomizer-verify-uTZkv6EMXl --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-cf1a783 [2023-11-12 02:21:56,842 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:21:56,946 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6329612-e155-4cd4-9a05-b001390f0bda/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-12 02:21:56,952 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:21:56,953 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:21:56,976 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:21:56,977 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:21:56,978 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:21:56,979 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:21:56,980 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:21:56,981 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:21:56,981 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:21:56,982 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:21:56,983 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:21:56,984 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:21:56,984 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:21:56,985 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:21:56,986 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:21:56,986 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:21:56,987 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:21:56,988 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:21:56,989 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:21:56,989 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:21:56,990 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:21:56,991 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:21:56,991 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:21:56,992 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:21:56,992 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:21:56,993 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:21:56,994 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:21:56,994 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:21:56,995 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:21:56,995 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:21:56,995 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:21:56,996 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:21:56,996 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:21:56,997 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_b6329612-e155-4cd4-9a05-b001390f0bda/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6329612-e155-4cd4-9a05-b001390f0bda/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a17c24f91a3bb3d64b949ed6598dfddc35ec4ff57290faa768ce9df2bba8e700 [2023-11-12 02:21:57,348 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:21:57,386 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:21:57,404 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:21:57,406 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:21:57,407 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:21:57,408 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6329612-e155-4cd4-9a05-b001390f0bda/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i [2023-11-12 02:22:00,708 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:22:01,534 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:22:01,535 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6329612-e155-4cd4-9a05-b001390f0bda/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i [2023-11-12 02:22:01,602 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6329612-e155-4cd4-9a05-b001390f0bda/bin/uautomizer-verify-uTZkv6EMXl/data/9cf558500/4ff37ac59ad44d0a8a3b158c4b16c95d/FLAG4a26a9963 [2023-11-12 02:22:01,630 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6329612-e155-4cd4-9a05-b001390f0bda/bin/uautomizer-verify-uTZkv6EMXl/data/9cf558500/4ff37ac59ad44d0a8a3b158c4b16c95d [2023-11-12 02:22:01,637 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:22:01,641 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:22:01,644 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:22:01,646 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:22:01,652 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:22:01,653 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:22:01" (1/1) ... [2023-11-12 02:22:01,654 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b91a0e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:22:01, skipping insertion in model container [2023-11-12 02:22:01,654 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:22:01" (1/1) ... [2023-11-12 02:22:01,972 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:22:06,253 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_b6329612-e155-4cd4-9a05-b001390f0bda/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] [2023-11-12 02:22:06,259 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_b6329612-e155-4cd4-9a05-b001390f0bda/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] [2023-11-12 02:22:06,269 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_b6329612-e155-4cd4-9a05-b001390f0bda/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] [2023-11-12 02:22:06,270 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_b6329612-e155-4cd4-9a05-b001390f0bda/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] [2023-11-12 02:22:06,314 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:22:06,410 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:22:06,599 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] [2023-11-12 02:22:06,602 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] [2023-11-12 02:22:06,602 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5900] [2023-11-12 02:22:06,604 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] [2023-11-12 02:22:06,605 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] [2023-11-12 02:22:06,607 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; nop": : : "memory"); [5962] [2023-11-12 02:22:06,608 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (__preempt_count)); [6038] [2023-11-12 02:22:06,609 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [6041] [2023-11-12 02:22:06,609 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [6044] [2023-11-12 02:22:06,610 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [6047] [2023-11-12 02:22:06,639 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (cpu_number)); [6657] [2023-11-12 02:22:06,639 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6660] [2023-11-12 02:22:06,639 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6663] [2023-11-12 02:22:06,640 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6666] [2023-11-12 02:22:06,641 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____0): "m" (cpu_number)); [6697] [2023-11-12 02:22:06,641 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6700] [2023-11-12 02:22:06,641 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6703] [2023-11-12 02:22:06,642 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6706] [2023-11-12 02:22:06,642 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____1): "m" (cpu_number)); [6737] [2023-11-12 02:22:06,643 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6740] [2023-11-12 02:22:06,643 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6743] [2023-11-12 02:22:06,643 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6746] [2023-11-12 02:22:06,644 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____2): "m" (cpu_number)); [6777] [2023-11-12 02:22:06,644 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6780] [2023-11-12 02:22:06,645 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6783] [2023-11-12 02:22:06,645 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6786] [2023-11-12 02:22:06,726 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7986] [2023-11-12 02:22:06,864 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9616] [2023-11-12 02:22:06,885 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9990] [2023-11-12 02:22:06,886 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [10003] [2023-11-12 02:22:06,887 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [10027] [2023-11-12 02:22:06,888 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [10040] [2023-11-12 02:22:06,900 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] [2023-11-12 02:22:06,993 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_b6329612-e155-4cd4-9a05-b001390f0bda/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] [2023-11-12 02:22:06,994 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_b6329612-e155-4cd4-9a05-b001390f0bda/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] [2023-11-12 02:22:06,995 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_b6329612-e155-4cd4-9a05-b001390f0bda/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] [2023-11-12 02:22:06,995 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_b6329612-e155-4cd4-9a05-b001390f0bda/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] [2023-11-12 02:22:07,007 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:22:07,270 WARN L672 CHandler]: The function __bad_size_call_parameter is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:22:07,271 WARN L672 CHandler]: The function strncpy is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:22:07,271 WARN L672 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:22:07,278 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:22:07,278 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:22:07 WrapperNode [2023-11-12 02:22:07,278 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:22:07,279 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:22:07,280 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:22:07,280 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:22:07,288 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:22:07" (1/1) ... [2023-11-12 02:22:07,422 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:22:07" (1/1) ... [2023-11-12 02:22:07,848 INFO L138 Inliner]: procedures = 537, calls = 2768, calls flagged for inlining = 264, calls inlined = 238, statements flattened = 7431 [2023-11-12 02:22:07,849 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:22:07,850 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:22:07,850 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:22:07,850 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:22:07,861 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:22:07" (1/1) ... [2023-11-12 02:22:07,862 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:22:07" (1/1) ... [2023-11-12 02:22:07,912 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:22:07" (1/1) ... [2023-11-12 02:22:07,913 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:22:07" (1/1) ... [2023-11-12 02:22:08,073 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:22:07" (1/1) ... [2023-11-12 02:22:08,106 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:22:07" (1/1) ... [2023-11-12 02:22:08,138 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:22:07" (1/1) ... [2023-11-12 02:22:08,160 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:22:07" (1/1) ... [2023-11-12 02:22:08,312 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:22:08,314 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:22:08,314 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:22:08,314 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:22:08,316 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:22:07" (1/1) ... [2023-11-12 02:22:08,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:22:08,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6329612-e155-4cd4-9a05-b001390f0bda/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:22:08,355 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6329612-e155-4cd4-9a05-b001390f0bda/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:22:08,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6329612-e155-4cd4-9a05-b001390f0bda/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:22:08,403 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2023-11-12 02:22:08,404 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2023-11-12 02:22:08,404 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_get_eeprom_len [2023-11-12 02:22:08,404 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_get_eeprom_len [2023-11-12 02:22:08,404 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-12 02:22:08,404 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-12 02:22:08,405 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_nway_reset [2023-11-12 02:22:08,405 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_nway_reset [2023-11-12 02:22:08,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-12 02:22:08,405 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-12 02:22:08,405 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-12 02:22:08,406 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-12 02:22:08,406 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_87 [2023-11-12 02:22:08,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_87 [2023-11-12 02:22:08,406 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 02:22:08,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 02:22:08,407 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2023-11-12 02:22:08,407 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2023-11-12 02:22:08,407 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-12 02:22:08,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-12 02:22:08,407 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2023-11-12 02:22:08,408 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2023-11-12 02:22:08,408 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-12 02:22:08,408 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-12 02:22:08,408 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2023-11-12 02:22:08,408 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2023-11-12 02:22:08,409 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2023-11-12 02:22:08,409 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2023-11-12 02:22:08,410 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_free_irq [2023-11-12 02:22:08,410 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_free_irq [2023-11-12 02:22:08,411 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2023-11-12 02:22:08,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2023-11-12 02:22:08,411 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-12 02:22:08,412 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-12 02:22:08,412 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_close [2023-11-12 02:22:08,412 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_close [2023-11-12 02:22:08,412 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_get_speed_and_duplex [2023-11-12 02:22:08,412 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_get_speed_and_duplex [2023-11-12 02:22:08,413 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_force_ps [2023-11-12 02:22:08,413 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_force_ps [2023-11-12 02:22:08,413 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-12 02:22:08,414 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-12 02:22:08,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-12 02:22:08,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-12 02:22:08,414 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-12 02:22:08,414 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-12 02:22:08,415 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2023-11-12 02:22:08,415 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2023-11-12 02:22:08,415 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-12 02:22:08,415 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-12 02:22:08,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-12 02:22:08,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-12 02:22:08,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 02:22:08,417 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-12 02:22:08,417 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-12 02:22:08,418 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2023-11-12 02:22:08,418 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2023-11-12 02:22:08,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2023-11-12 02:22:08,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2023-11-12 02:22:08,419 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_write_phy_reg [2023-11-12 02:22:08,419 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_write_phy_reg [2023-11-12 02:22:08,419 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2023-11-12 02:22:08,420 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2023-11-12 02:22:08,420 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_vlan_mode [2023-11-12 02:22:08,420 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_vlan_mode [2023-11-12 02:22:08,420 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-12 02:22:08,420 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-12 02:22:08,421 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_up [2023-11-12 02:22:08,421 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_up [2023-11-12 02:22:08,421 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-12 02:22:08,421 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-12 02:22:08,421 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-12 02:22:08,422 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-12 02:22:08,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-12 02:22:08,422 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_tx_timeout [2023-11-12 02:22:08,423 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_tx_timeout [2023-11-12 02:22:08,423 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_irq_enable [2023-11-12 02:22:08,423 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_irq_enable [2023-11-12 02:22:08,423 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-12 02:22:08,424 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-12 02:22:08,424 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_poll_controller [2023-11-12 02:22:08,424 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_poll_controller [2023-11-12 02:22:08,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 02:22:08,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-12 02:22:08,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-12 02:22:08,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 02:22:08,426 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_irq_disable [2023-11-12 02:22:08,426 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_irq_disable [2023-11-12 02:22:08,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-12 02:22:08,427 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-12 02:22:08,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_stats_lock_of_atl2_adapter [2023-11-12 02:22:08,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_stats_lock_of_atl2_adapter [2023-11-12 02:22:08,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-12 02:22:08,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-12 02:22:08,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-12 02:22:08,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-12 02:22:08,430 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2023-11-12 02:22:08,430 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2023-11-12 02:22:08,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-12 02:22:08,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-12 02:22:08,430 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-12 02:22:08,431 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-12 02:22:08,431 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_shutdown [2023-11-12 02:22:08,432 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_shutdown [2023-11-12 02:22:08,432 INFO L130 BoogieDeclarations]: Found specification of procedure __atl2_vlan_mode [2023-11-12 02:22:08,432 INFO L138 BoogieDeclarations]: Found implementation of procedure __atl2_vlan_mode [2023-11-12 02:22:08,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-12 02:22:08,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-12 02:22:08,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 02:22:08,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-12 02:22:08,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-12 02:22:08,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-12 02:22:08,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-12 02:22:08,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2023-11-12 02:22:08,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2023-11-12 02:22:08,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:22:08,439 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2023-11-12 02:22:08,439 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2023-11-12 02:22:08,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-12 02:22:08,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-12 02:22:08,441 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-12 02:22:08,441 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-12 02:22:08,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 02:22:08,448 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-12 02:22:08,448 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_set_multi [2023-11-12 02:22:08,449 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_set_multi [2023-11-12 02:22:08,449 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_phy_init [2023-11-12 02:22:08,449 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_phy_init [2023-11-12 02:22:08,449 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-12 02:22:08,449 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-12 02:22:08,449 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_configure [2023-11-12 02:22:08,450 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_configure [2023-11-12 02:22:08,450 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_reset_hw [2023-11-12 02:22:08,450 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_reset_hw [2023-11-12 02:22:08,450 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-12 02:22:08,450 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-12 02:22:08,451 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-11-12 02:22:08,451 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-11-12 02:22:08,451 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_open [2023-11-12 02:22:08,451 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_open [2023-11-12 02:22:08,451 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-12 02:22:08,451 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-12 02:22:08,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-12 02:22:08,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-12 02:22:08,452 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_validate_option [2023-11-12 02:22:08,452 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_validate_option [2023-11-12 02:22:08,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_stats_lock_of_atl2_adapter [2023-11-12 02:22:08,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_stats_lock_of_atl2_adapter [2023-11-12 02:22:08,453 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-12 02:22:08,453 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-12 02:22:08,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:22:08,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:22:08,453 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_intr [2023-11-12 02:22:08,454 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_intr [2023-11-12 02:22:08,454 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-12 02:22:08,454 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-12 02:22:08,454 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-12 02:22:08,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-12 02:22:08,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-12 02:22:08,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-12 02:22:08,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-12 02:22:08,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-12 02:22:08,455 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-12 02:22:08,455 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-12 02:22:08,456 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2023-11-12 02:22:08,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-12 02:22:08,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-12 02:22:08,456 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_remove [2023-11-12 02:22:08,456 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_remove [2023-11-12 02:22:08,457 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_read_eeprom [2023-11-12 02:22:08,457 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_read_eeprom [2023-11-12 02:22:08,457 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2023-11-12 02:22:08,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2023-11-12 02:22:08,457 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-12 02:22:08,457 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-12 02:22:08,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-12 02:22:08,458 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-12 02:22:08,458 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_request_irq [2023-11-12 02:22:08,458 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_request_irq [2023-11-12 02:22:08,458 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-12 02:22:08,458 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-12 02:22:08,459 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_read_phy_reg [2023-11-12 02:22:08,459 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_read_phy_reg [2023-11-12 02:22:08,459 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies [2023-11-12 02:22:08,459 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies [2023-11-12 02:22:08,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 02:22:08,460 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-12 02:22:08,460 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-12 02:22:08,460 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2023-11-12 02:22:08,460 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2023-11-12 02:22:08,460 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-12 02:22:08,460 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-12 02:22:08,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 02:22:08,461 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2023-11-12 02:22:08,461 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2023-11-12 02:22:08,461 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_suspend [2023-11-12 02:22:08,461 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_suspend [2023-11-12 02:22:08,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 02:22:08,462 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-12 02:22:08,462 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-12 02:22:08,462 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_reinit_locked [2023-11-12 02:22:08,462 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_reinit_locked [2023-11-12 02:22:08,462 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-12 02:22:08,463 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-12 02:22:08,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-12 02:22:08,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-12 02:22:08,463 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-11-12 02:22:08,463 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-11-12 02:22:08,463 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_resume [2023-11-12 02:22:08,464 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_resume [2023-11-12 02:22:08,464 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-12 02:22:08,464 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-12 02:22:08,464 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-11-12 02:22:08,464 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-11-12 02:22:08,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_77 [2023-11-12 02:22:08,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_77 [2023-11-12 02:22:08,465 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-12 02:22:08,465 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-12 02:22:08,465 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-12 02:22:08,465 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-12 02:22:08,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 02:22:08,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 02:22:08,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 02:22:08,466 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_get_regs_len [2023-11-12 02:22:08,466 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_get_regs_len [2023-11-12 02:22:08,467 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_check_eeprom_exist [2023-11-12 02:22:08,467 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_check_eeprom_exist [2023-11-12 02:22:08,467 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-12 02:22:08,467 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-12 02:22:08,467 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_restore_vlan [2023-11-12 02:22:08,467 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_restore_vlan [2023-11-12 02:22:08,468 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-11-12 02:22:08,468 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-11-12 02:22:08,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_78 [2023-11-12 02:22:08,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_78 [2023-11-12 02:22:08,468 INFO L130 BoogieDeclarations]: Found specification of procedure init_ring_ptrs [2023-11-12 02:22:08,468 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ring_ptrs [2023-11-12 02:22:08,469 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2023-11-12 02:22:08,469 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2023-11-12 02:22:08,469 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2023-11-12 02:22:08,469 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2023-11-12 02:22:08,469 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_free_ring_resources [2023-11-12 02:22:08,470 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_free_ring_resources [2023-11-12 02:22:08,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-12 02:22:08,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-12 02:22:08,470 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_down [2023-11-12 02:22:08,470 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_down [2023-11-12 02:22:08,470 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2023-11-12 02:22:08,471 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2023-11-12 02:22:08,471 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2023-11-12 02:22:08,474 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2023-11-12 02:22:08,475 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-12 02:22:08,475 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-12 02:22:08,475 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-12 02:22:08,475 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-12 02:22:08,475 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_init_hw [2023-11-12 02:22:08,475 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_init_hw [2023-11-12 02:22:08,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:22:08,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-12 02:22:08,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-12 02:22:08,476 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2023-11-12 02:22:09,552 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:22:09,557 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:22:09,708 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-12 02:22:17,313 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-12 02:22:17,920 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:22:17,952 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:22:17,953 INFO L302 CfgBuilder]: Removed 7 assume(true) statements. [2023-11-12 02:22:17,960 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:22:17 BoogieIcfgContainer [2023-11-12 02:22:17,960 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:22:17,964 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:22:17,964 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:22:17,968 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:22:17,968 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:22:01" (1/3) ... [2023-11-12 02:22:17,969 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a76a0b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:22:17, skipping insertion in model container [2023-11-12 02:22:17,969 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:22:07" (2/3) ... [2023-11-12 02:22:17,970 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a76a0b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:22:17, skipping insertion in model container [2023-11-12 02:22:17,971 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:22:17" (3/3) ... [2023-11-12 02:22:17,972 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i [2023-11-12 02:22:17,993 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:22:17,993 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-12 02:22:18,126 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:22:18,138 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;@249a43d2, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:22:18,138 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-12 02:22:18,154 INFO L276 IsEmpty]: Start isEmpty. Operand has 2769 states, 2003 states have (on average 1.3559660509236147) internal successors, (2716), 2025 states have internal predecessors, (2716), 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) [2023-11-12 02:22:18,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-11-12 02:22:18,195 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:22:18,196 INFO L195 NwaCegarLoop]: trace histogram [14, 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, 1] [2023-11-12 02:22:18,196 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)] === [2023-11-12 02:22:18,204 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:22:18,204 INFO L85 PathProgramCache]: Analyzing trace with hash 111346683, now seen corresponding path program 1 times [2023-11-12 02:22:18,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:22:18,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878789671] [2023-11-12 02:22:18,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:22:18,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:22:18,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:22:19,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-12 02:22:19,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:22:19,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:22:19,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:22:19,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-12 02:22:19,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:22:19,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:22:19,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:22:19,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-12 02:22:19,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:22:19,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:22:19,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:22:19,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-12 02:22:19,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:22:19,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:22:19,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:22:19,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-12 02:22:19,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:22:19,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:22:19,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:22:19,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-12 02:22:19,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:22:19,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:22:19,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:22:19,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-12 02:22:19,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:22:19,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:22:19,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:22:19,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-12 02:22:19,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:22:19,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:22:19,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:22:19,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-12 02:22:19,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:22:19,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:22:19,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:22:19,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-12 02:22:19,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:22:19,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:22:19,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:22:19,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-12 02:22:19,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:22:19,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:22:19,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:22:19,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-12 02:22:19,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:22:19,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:22:19,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:22:19,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-12 02:22:19,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:22:19,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:22:19,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:22:19,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-11-12 02:22:19,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:22:19,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-11-12 02:22:19,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:22:19,671 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2023-11-12 02:22:19,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:22:19,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878789671] [2023-11-12 02:22:19,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878789671] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:22:19,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:22:19,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:22:19,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958558364] [2023-11-12 02:22:19,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:22:19,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:22:19,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:22:19,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:22:19,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:22:19,739 INFO L87 Difference]: Start difference. First operand has 2769 states, 2003 states have (on average 1.3559660509236147) internal successors, (2716), 2025 states have internal predecessors, (2716), 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 8.75) internal successors, (35), 3 states have internal predecessors, (35), 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) [2023-11-12 02:22:28,034 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 02:22:30,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:22:30,958 INFO L93 Difference]: Finished difference Result 8424 states and 12417 transitions. [2023-11-12 02:22:30,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 02:22:30,961 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 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 167 [2023-11-12 02:22:30,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:22:31,040 INFO L225 Difference]: With dead ends: 8424 [2023-11-12 02:22:31,040 INFO L226 Difference]: Without dead ends: 5674 [2023-11-12 02:22:31,088 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 [2023-11-12 02:22:31,092 INFO L413 NwaCegarLoop]: 2846 mSDtfsCounter, 5454 mSDsluCounter, 4152 mSDsCounter, 0 mSdLazyCounter, 2980 mSolverCounterSat, 1757 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6050 SdHoareTripleChecker+Valid, 6998 SdHoareTripleChecker+Invalid, 4737 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1757 IncrementalHoareTripleChecker+Valid, 2980 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.3s IncrementalHoareTripleChecker+Time [2023-11-12 02:22:31,093 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6050 Valid, 6998 Invalid, 4737 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1757 Valid, 2980 Invalid, 0 Unknown, 0 Unchecked, 10.3s Time] [2023-11-12 02:22:31,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5674 states. [2023-11-12 02:22:31,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5674 to 5362. [2023-11-12 02:22:31,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5362 states, 3889 states have (on average 1.3265620982257649) internal successors, (5159), 3931 states have internal predecessors, (5159), 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) [2023-11-12 02:22:31,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5362 states to 5362 states and 7622 transitions. [2023-11-12 02:22:31,665 INFO L78 Accepts]: Start accepts. Automaton has 5362 states and 7622 transitions. Word has length 167 [2023-11-12 02:22:31,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:22:31,671 INFO L495 AbstractCegarLoop]: Abstraction has 5362 states and 7622 transitions. [2023-11-12 02:22:31,672 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 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) [2023-11-12 02:22:31,672 INFO L276 IsEmpty]: Start isEmpty. Operand 5362 states and 7622 transitions. [2023-11-12 02:22:31,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-11-12 02:22:31,688 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:22:31,689 INFO L195 NwaCegarLoop]: trace histogram [14, 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, 1, 1, 1, 1, 1] [2023-11-12 02:22:31,689 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 02:22:31,690 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)] === [2023-11-12 02:22:31,690 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:22:31,691 INFO L85 PathProgramCache]: Analyzing trace with hash 460051114, now seen corresponding path program 1 times [2023-11-12 02:22:31,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:22:31,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587060324] [2023-11-12 02:22:31,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:22:31,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:22:31,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:22:32,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-12 02:22:32,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:22:32,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:22:32,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:22:32,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-12 02:22:32,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:22:32,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:22:32,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:22:32,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-12 02:22:32,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:22:32,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:22:32,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:22:32,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-12 02:22:32,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:22:32,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:22:32,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:22:32,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-12 02:22:32,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:22:32,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:22:32,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:22:32,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-12 02:22:32,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:22:32,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:22:32,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:22:32,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-12 02:22:32,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:22:32,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:22:32,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:22:32,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-12 02:22:32,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:22:32,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:22:32,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:22:32,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-12 02:22:32,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:22:32,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:22:32,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:22:32,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-12 02:22:32,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:22:32,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:22:32,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:22:32,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-12 02:22:32,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:22:32,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:22:32,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:22:32,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-12 02:22:32,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:22:32,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:22:32,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:22:32,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-12 02:22:32,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:22:32,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:22:32,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:22:32,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-11-12 02:22:32,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:22:32,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-11-12 02:22:32,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:22:32,539 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2023-11-12 02:22:32,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:22:32,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587060324] [2023-11-12 02:22:32,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587060324] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:22:32,540 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:22:32,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:22:32,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743641728] [2023-11-12 02:22:32,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:22:32,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:22:32,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:22:32,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:22:32,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:22:32,545 INFO L87 Difference]: Start difference. First operand 5362 states and 7622 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 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) [2023-11-12 02:22:38,378 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 []