./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-winbond-840.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_8ffc4677-fdef-4af0-aa29-7d78bac5f9c7/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffc4677-fdef-4af0-aa29-7d78bac5f9c7/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_8ffc4677-fdef-4af0-aa29-7d78bac5f9c7/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffc4677-fdef-4af0-aa29-7d78bac5f9c7/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-winbond-840.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffc4677-fdef-4af0-aa29-7d78bac5f9c7/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_8ffc4677-fdef-4af0-aa29-7d78bac5f9c7/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 3760bd11965082d9ea48923d727f263a9d5646ba9eaff63a7884fbc3852defe0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:26:39,308 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:26:39,377 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffc4677-fdef-4af0-aa29-7d78bac5f9c7/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-21 22:26:39,383 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:26:39,384 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:26:39,410 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:26:39,411 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:26:39,412 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:26:39,413 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:26:39,413 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:26:39,414 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:26:39,415 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:26:39,415 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:26:39,416 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:26:39,417 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:26:39,417 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:26:39,418 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:26:39,419 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:26:39,419 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:26:39,420 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:26:39,420 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:26:39,421 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:26:39,422 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:26:39,422 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:26:39,423 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:26:39,423 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:26:39,424 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:26:39,425 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:26:39,425 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:26:39,426 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:26:39,426 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:26:39,427 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:26:39,428 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:26:39,428 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:26:39,429 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:26:39,429 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:26:39,430 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:26:39,430 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:26:39,431 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:26:39,431 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_8ffc4677-fdef-4af0-aa29-7d78bac5f9c7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffc4677-fdef-4af0-aa29-7d78bac5f9c7/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3760bd11965082d9ea48923d727f263a9d5646ba9eaff63a7884fbc3852defe0 [2023-11-21 22:26:39,844 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:26:39,885 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:26:39,888 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:26:39,890 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:26:39,891 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:26:39,893 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffc4677-fdef-4af0-aa29-7d78bac5f9c7/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-winbond-840.cil.i [2023-11-21 22:26:43,059 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:26:43,792 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:26:43,793 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffc4677-fdef-4af0-aa29-7d78bac5f9c7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-winbond-840.cil.i [2023-11-21 22:26:43,880 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffc4677-fdef-4af0-aa29-7d78bac5f9c7/bin/uautomizer-verify-bycVGegfSx/data/27d11b8a6/2ada15600c034f559f997823ffd3a11e/FLAG394d2dc4b [2023-11-21 22:26:43,895 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffc4677-fdef-4af0-aa29-7d78bac5f9c7/bin/uautomizer-verify-bycVGegfSx/data/27d11b8a6/2ada15600c034f559f997823ffd3a11e [2023-11-21 22:26:43,897 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:26:43,899 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:26:43,900 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:26:43,901 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:26:43,906 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:26:43,907 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:26:43" (1/1) ... [2023-11-21 22:26:43,908 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a1ae0e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:43, skipping insertion in model container [2023-11-21 22:26:43,908 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:26:43" (1/1) ... [2023-11-21 22:26:44,089 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:26:47,229 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_8ffc4677-fdef-4af0-aa29-7d78bac5f9c7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-winbond-840.cil.i[328915,328928] [2023-11-21 22:26:47,235 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_8ffc4677-fdef-4af0-aa29-7d78bac5f9c7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-winbond-840.cil.i[329060,329073] [2023-11-21 22:26:47,271 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:26:47,353 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:26:47,559 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"); [5260] [2023-11-21 22:26:47,562 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)); [5267] [2023-11-21 22:26:47,562 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5274] [2023-11-21 22:26:47,565 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/dfbfd2da522a1f5f4786ee57b863db44/klever-core-work-dir/de2fed6/linux-alloc-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [5315-5316] [2023-11-21 22:26:47,566 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"); [5321-5323] [2023-11-21 22:26:47,581 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (19), "i" (12UL)); [5548-5549] [2023-11-21 22:26:47,586 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (36), "i" (12UL)); [5582-5583] [2023-11-21 22:26:47,587 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (103), "i" (12UL)); [5619-5620] [2023-11-21 22:26:47,589 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (115), "i" (12UL)); [5656-5657] [2023-11-21 22:26:47,606 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (cpu_number)); [6063] [2023-11-21 22:26:47,607 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6066] [2023-11-21 22:26:47,607 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6069] [2023-11-21 22:26:47,607 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6072] [2023-11-21 22:26:47,610 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____0): "m" (cpu_number)); [6103] [2023-11-21 22:26:47,610 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6106] [2023-11-21 22:26:47,610 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6109] [2023-11-21 22:26:47,611 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6112] [2023-11-21 22:26:47,611 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____1): "m" (cpu_number)); [6143] [2023-11-21 22:26:47,612 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6146] [2023-11-21 22:26:47,612 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6149] [2023-11-21 22:26:47,612 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6152] [2023-11-21 22:26:47,613 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____2): "m" (cpu_number)); [6183] [2023-11-21 22:26:47,614 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6186] [2023-11-21 22:26:47,614 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6189] [2023-11-21 22:26:47,614 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6192] [2023-11-21 22:26:47,702 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7482] [2023-11-21 22:26:47,703 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7484] [2023-11-21 22:26:47,704 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7491] [2023-11-21 22:26:47,712 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7626] [2023-11-21 22:26:47,742 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8003] [2023-11-21 22:26:47,773 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8442] [2023-11-21 22:26:47,778 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/dec/tulip/winbond-840.c"), "i" (1594), "i" (12UL)); [8524-8525] [2023-11-21 22:26:47,778 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/dec/tulip/winbond-840.c"), "i" (1594), "i" (12UL)); [8535-8536] [2023-11-21 22:26:47,878 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_8ffc4677-fdef-4af0-aa29-7d78bac5f9c7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-winbond-840.cil.i[328915,328928] [2023-11-21 22:26:47,879 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_8ffc4677-fdef-4af0-aa29-7d78bac5f9c7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-winbond-840.cil.i[329060,329073] [2023-11-21 22:26:47,886 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:26:48,164 WARN L675 CHandler]: The function __bad_size_call_parameter is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:26:48,165 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:26:48,173 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:26:48,173 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:48 WrapperNode [2023-11-21 22:26:48,173 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:26:48,175 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:26:48,176 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:26:48,176 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:26:48,184 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:48" (1/1) ... [2023-11-21 22:26:48,326 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:48" (1/1) ... [2023-11-21 22:26:48,562 INFO L138 Inliner]: procedures = 434, calls = 2074, calls flagged for inlining = 219, calls inlined = 204, statements flattened = 5545 [2023-11-21 22:26:48,564 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:26:48,565 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:26:48,565 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:26:48,565 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:26:48,578 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:48" (1/1) ... [2023-11-21 22:26:48,578 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:48" (1/1) ... [2023-11-21 22:26:48,622 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:48" (1/1) ... [2023-11-21 22:26:49,779 WARN L106 HeapSplitter]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure #Ultimate.C_memset is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2023-11-21 22:26:49,779 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:48" (1/1) ... [2023-11-21 22:26:49,780 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:48" (1/1) ... [2023-11-21 22:26:49,907 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:48" (1/1) ... [2023-11-21 22:26:49,929 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:48" (1/1) ... [2023-11-21 22:26:49,956 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:48" (1/1) ... [2023-11-21 22:26:49,980 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:48" (1/1) ... [2023-11-21 22:26:50,017 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:26:50,019 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:26:50,019 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:26:50,019 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:26:50,021 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:48" (1/1) ... [2023-11-21 22:26:50,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:26:50,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffc4677-fdef-4af0-aa29-7d78bac5f9c7/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:26:50,050 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffc4677-fdef-4af0-aa29-7d78bac5f9c7/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:26:50,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffc4677-fdef-4af0-aa29-7d78bac5f9c7/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:26:50,098 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-21 22:26:50,099 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-21 22:26:50,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-21 22:26:50,099 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-21 22:26:50,099 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-11-21 22:26:50,099 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-11-21 22:26:50,099 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2023-11-21 22:26:50,100 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2023-11-21 22:26:50,100 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-21 22:26:50,100 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-21 22:26:50,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-21 22:26:50,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-21 22:26:50,100 INFO L130 BoogieDeclarations]: Found specification of procedure w840_remove1 [2023-11-21 22:26:50,100 INFO L138 BoogieDeclarations]: Found implementation of procedure w840_remove1 [2023-11-21 22:26:50,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_88 [2023-11-21 22:26:50,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_88 [2023-11-21 22:26:50,101 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2023-11-21 22:26:50,101 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2023-11-21 22:26:50,101 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-21 22:26:50,101 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-21 22:26:50,102 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2023-11-21 22:26:50,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2023-11-21 22:26:50,102 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-21 22:26:50,102 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-21 22:26:50,102 INFO L130 BoogieDeclarations]: Found specification of procedure update_link [2023-11-21 22:26:50,102 INFO L138 BoogieDeclarations]: Found implementation of procedure update_link [2023-11-21 22:26:50,103 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2023-11-21 22:26:50,103 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2023-11-21 22:26:50,104 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-21 22:26:50,104 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-21 22:26:50,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-21 22:26:50,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-21 22:26:50,105 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-21 22:26:50,105 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-21 22:26:50,105 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2023-11-21 22:26:50,105 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2023-11-21 22:26:50,105 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-21 22:26:50,106 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-21 22:26:50,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-21 22:26:50,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-21 22:26:50,107 INFO L130 BoogieDeclarations]: Found specification of procedure __set_rx_mode [2023-11-21 22:26:50,107 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_rx_mode [2023-11-21 22:26:50,107 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-21 22:26:50,107 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-21 22:26:50,108 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2023-11-21 22:26:50,108 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2023-11-21 22:26:50,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 22:26:50,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2023-11-21 22:26:50,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2023-11-21 22:26:50,108 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2023-11-21 22:26:50,109 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2023-11-21 22:26:50,109 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-21 22:26:50,109 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-21 22:26:50,110 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-21 22:26:50,110 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-21 22:26:50,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-21 22:26:50,110 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-21 22:26:50,110 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-21 22:26:50,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-21 22:26:50,111 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-21 22:26:50,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-21 22:26:50,111 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-21 22:26:50,111 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-21 22:26:50,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 22:26:50,111 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2023-11-21 22:26:50,112 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2023-11-21 22:26:50,112 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-21 22:26:50,112 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-21 22:26:50,112 INFO L130 BoogieDeclarations]: Found specification of procedure init_rxtx_rings [2023-11-21 22:26:50,112 INFO L138 BoogieDeclarations]: Found implementation of procedure init_rxtx_rings [2023-11-21 22:26:50,112 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-21 22:26:50,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-21 22:26:50,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-21 22:26:50,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-21 22:26:50,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-21 22:26:50,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-21 22:26:50,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-21 22:26:50,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-21 22:26:50,114 INFO L130 BoogieDeclarations]: Found specification of procedure tx_timeout [2023-11-21 22:26:50,114 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_timeout [2023-11-21 22:26:50,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 22:26:50,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-21 22:26:50,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-21 22:26:50,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-21 22:26:50,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-21 22:26:50,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:26:50,116 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_nway_reset [2023-11-21 22:26:50,116 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_nway_reset [2023-11-21 22:26:50,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-21 22:26:50,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-21 22:26:50,117 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-21 22:26:50,117 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-21 22:26:50,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 22:26:50,117 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-21 22:26:50,117 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-21 22:26:50,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-21 22:26:50,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2023-11-21 22:26:50,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2023-11-21 22:26:50,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-11-21 22:26:50,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-11-21 22:26:50,119 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-21 22:26:50,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-21 22:26:50,120 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-21 22:26:50,120 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-21 22:26:50,120 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-21 22:26:50,121 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-21 22:26:50,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-21 22:26:50,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-21 22:26:50,121 INFO L130 BoogieDeclarations]: Found specification of procedure update_csr6 [2023-11-21 22:26:50,122 INFO L138 BoogieDeclarations]: Found implementation of procedure update_csr6 [2023-11-21 22:26:50,122 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-11-21 22:26:50,122 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-11-21 22:26:50,123 INFO L130 BoogieDeclarations]: Found specification of procedure w840_resume [2023-11-21 22:26:50,123 INFO L138 BoogieDeclarations]: Found implementation of procedure w840_resume [2023-11-21 22:26:50,126 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2023-11-21 22:26:50,126 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2023-11-21 22:26:50,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:26:50,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:26:50,127 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-21 22:26:50,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-21 22:26:50,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-21 22:26:50,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-21 22:26:50,129 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_close [2023-11-21 22:26:50,136 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_close [2023-11-21 22:26:50,136 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2023-11-21 22:26:50,136 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2023-11-21 22:26:50,136 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2023-11-21 22:26:50,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-21 22:26:50,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-21 22:26:50,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_netdev_private [2023-11-21 22:26:50,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_netdev_private [2023-11-21 22:26:50,137 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-21 22:26:50,137 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-21 22:26:50,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-21 22:26:50,138 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-21 22:26:50,138 INFO L130 BoogieDeclarations]: Found specification of procedure init_registers [2023-11-21 22:26:50,138 INFO L138 BoogieDeclarations]: Found implementation of procedure init_registers [2023-11-21 22:26:50,138 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-21 22:26:50,138 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-21 22:26:50,138 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-21 22:26:50,138 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-21 22:26:50,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 22:26:50,139 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-21 22:26:50,139 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-21 22:26:50,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 22:26:50,139 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-11-21 22:26:50,139 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-11-21 22:26:50,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_87 [2023-11-21 22:26:50,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_87 [2023-11-21 22:26:50,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-21 22:26:50,140 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-21 22:26:50,140 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-21 22:26:50,140 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-21 22:26:50,140 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-21 22:26:50,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_netdev_private [2023-11-21 22:26:50,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_netdev_private [2023-11-21 22:26:50,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-21 22:26:50,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-21 22:26:50,141 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_sync [2023-11-21 22:26:50,141 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_sync [2023-11-21 22:26:50,141 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_open [2023-11-21 22:26:50,141 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_open [2023-11-21 22:26:50,142 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-21 22:26:50,142 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-21 22:26:50,142 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-21 22:26:50,142 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-21 22:26:50,142 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-11-21 22:26:50,143 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-11-21 22:26:50,143 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-21 22:26:50,143 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-21 22:26:50,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 22:26:50,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-21 22:26:50,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-21 22:26:50,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_95 [2023-11-21 22:26:50,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_95 [2023-11-21 22:26:50,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_96 [2023-11-21 22:26:50,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_96 [2023-11-21 22:26:50,144 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2023-11-21 22:26:50,144 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2023-11-21 22:26:50,144 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2023-11-21 22:26:50,144 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2023-11-21 22:26:50,144 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2023-11-21 22:26:50,145 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2023-11-21 22:26:50,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-21 22:26:50,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-21 22:26:50,145 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2023-11-21 22:26:50,145 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2023-11-21 22:26:50,145 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-21 22:26:50,145 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-21 22:26:50,146 INFO L130 BoogieDeclarations]: Found specification of procedure free_rxtx_rings [2023-11-21 22:26:50,146 INFO L138 BoogieDeclarations]: Found implementation of procedure free_rxtx_rings [2023-11-21 22:26:50,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 22:26:50,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-21 22:26:50,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-21 22:26:50,988 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:26:50,992 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:26:51,496 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-21 22:26:55,853 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-21 22:26:56,017 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:27:00,042 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:27:00,042 INFO L308 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-21 22:27:00,045 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:27:00 BoogieIcfgContainer [2023-11-21 22:27:00,045 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:27:00,047 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:27:00,047 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:27:00,051 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:27:00,052 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:26:43" (1/3) ... [2023-11-21 22:27:00,054 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@602c4dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:27:00, skipping insertion in model container [2023-11-21 22:27:00,054 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:48" (2/3) ... [2023-11-21 22:27:00,054 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@602c4dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:27:00, skipping insertion in model container [2023-11-21 22:27:00,055 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:27:00" (3/3) ... [2023-11-21 22:27:00,056 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-winbond-840.cil.i [2023-11-21 22:27:00,078 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:27:00,078 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:27:00,190 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:27:00,200 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;@4253f2d2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:27:00,200 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:27:00,214 INFO L276 IsEmpty]: Start isEmpty. Operand has 1325 states, 757 states have (on average 1.2879788639365919) internal successors, (975), 779 states have internal predecessors, (975), 480 states have call successors, (480), 88 states have call predecessors, (480), 87 states have return successors, (475), 471 states have call predecessors, (475), 475 states have call successors, (475) [2023-11-21 22:27:00,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-11-21 22:27:00,276 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:27:00,277 INFO L195 NwaCegarLoop]: trace histogram [9, 8, 8, 8, 8, 8, 8, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:27:00,278 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:27:00,285 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:27:00,286 INFO L85 PathProgramCache]: Analyzing trace with hash -481241284, now seen corresponding path program 1 times [2023-11-21 22:27:00,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:27:00,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201051685] [2023-11-21 22:27:00,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:27:00,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:27:00,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:01,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:27:01,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:01,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:27:01,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:01,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-21 22:27:01,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:01,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:27:01,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:01,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-21 22:27:01,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:01,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:27:01,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:01,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-21 22:27:01,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:01,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:27:01,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:01,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-21 22:27:01,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:01,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:27:01,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:01,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-21 22:27:01,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:01,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:27:01,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:01,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-21 22:27:01,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:01,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:27:01,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:01,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-21 22:27:01,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:01,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:27:01,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:01,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-21 22:27:01,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:01,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-21 22:27:01,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:01,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-21 22:27:01,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:01,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-21 22:27:01,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:01,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:27:01,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:01,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-11-21 22:27:01,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:01,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-21 22:27:01,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:01,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-11-21 22:27:01,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:01,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-11-21 22:27:01,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:01,835 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2023-11-21 22:27:01,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:27:01,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201051685] [2023-11-21 22:27:01,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201051685] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:27:01,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:27:01,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-21 22:27:01,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601935663] [2023-11-21 22:27:01,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:27:01,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-21 22:27:01,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:27:01,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 22:27:01,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-21 22:27:01,890 INFO L87 Difference]: Start difference. First operand has 1325 states, 757 states have (on average 1.2879788639365919) internal successors, (975), 779 states have internal predecessors, (975), 480 states have call successors, (480), 88 states have call predecessors, (480), 87 states have return successors, (475), 471 states have call predecessors, (475), 475 states have call successors, (475) Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2023-11-21 22:27:08,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:27:08,665 INFO L93 Difference]: Finished difference Result 3726 states and 5462 transitions. [2023-11-21 22:27:08,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-21 22:27:08,667 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 139 [2023-11-21 22:27:08,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:27:08,714 INFO L225 Difference]: With dead ends: 3726 [2023-11-21 22:27:08,714 INFO L226 Difference]: Without dead ends: 2364 [2023-11-21 22:27:08,730 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 52 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 22:27:08,734 INFO L413 NwaCegarLoop]: 1355 mSDtfsCounter, 1751 mSDsluCounter, 1463 mSDsCounter, 0 mSdLazyCounter, 2181 mSolverCounterSat, 1132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2122 SdHoareTripleChecker+Valid, 2818 SdHoareTripleChecker+Invalid, 3313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1132 IncrementalHoareTripleChecker+Valid, 2181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2023-11-21 22:27:08,734 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2122 Valid, 2818 Invalid, 3313 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1132 Valid, 2181 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2023-11-21 22:27:08,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2364 states. [2023-11-21 22:27:09,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2364 to 2314. [2023-11-21 22:27:09,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2314 states, 1328 states have (on average 1.2733433734939759) internal successors, (1691), 1366 states have internal predecessors, (1691), 816 states have call successors, (816), 168 states have call predecessors, (816), 169 states have return successors, (824), 805 states have call predecessors, (824), 816 states have call successors, (824) [2023-11-21 22:27:09,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2314 states to 2314 states and 3331 transitions. [2023-11-21 22:27:09,060 INFO L78 Accepts]: Start accepts. Automaton has 2314 states and 3331 transitions. Word has length 139 [2023-11-21 22:27:09,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:27:09,061 INFO L495 AbstractCegarLoop]: Abstraction has 2314 states and 3331 transitions. [2023-11-21 22:27:09,061 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2023-11-21 22:27:09,061 INFO L276 IsEmpty]: Start isEmpty. Operand 2314 states and 3331 transitions. [2023-11-21 22:27:09,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-11-21 22:27:09,078 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:27:09,079 INFO L195 NwaCegarLoop]: trace histogram [10, 8, 8, 8, 8, 8, 8, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:27:09,079 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 22:27:09,079 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:27:09,080 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:27:09,080 INFO L85 PathProgramCache]: Analyzing trace with hash 497666637, now seen corresponding path program 1 times [2023-11-21 22:27:09,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:27:09,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062003462] [2023-11-21 22:27:09,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:27:09,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:27:09,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:09,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:27:09,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:09,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:27:09,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:09,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-21 22:27:09,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:09,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:27:09,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:09,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-21 22:27:09,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:09,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:27:09,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:09,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-21 22:27:09,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:09,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:27:09,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:09,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-21 22:27:09,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:09,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:27:09,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:09,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-21 22:27:09,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:09,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:27:09,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:09,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-21 22:27:09,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:09,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:27:09,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:09,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-21 22:27:09,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:09,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:27:09,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:09,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-21 22:27:09,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:09,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-21 22:27:09,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:09,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-11-21 22:27:09,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:09,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-11-21 22:27:09,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:09,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-21 22:27:09,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:09,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-11-21 22:27:09,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:09,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-21 22:27:09,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:09,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-11-21 22:27:09,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:09,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:27:09,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:09,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-11-21 22:27:09,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:09,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-11-21 22:27:09,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:09,910 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-21 22:27:09,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:27:09,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062003462] [2023-11-21 22:27:09,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2062003462] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:27:09,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:27:09,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-21 22:27:09,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915785517] [2023-11-21 22:27:09,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:27:09,913 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-21 22:27:09,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:27:09,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 22:27:09,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-21 22:27:09,915 INFO L87 Difference]: Start difference. First operand 2314 states and 3331 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2023-11-21 22:27:15,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:27:15,918 INFO L93 Difference]: Finished difference Result 6123 states and 8805 transitions. [2023-11-21 22:27:15,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-21 22:27:15,918 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 159 [2023-11-21 22:27:15,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:27:15,951 INFO L225 Difference]: With dead ends: 6123 [2023-11-21 22:27:15,951 INFO L226 Difference]: Without dead ends: 3826 [2023-11-21 22:27:15,964 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 56 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 22:27:15,967 INFO L413 NwaCegarLoop]: 1554 mSDtfsCounter, 1416 mSDsluCounter, 1564 mSDsCounter, 0 mSdLazyCounter, 2304 mSolverCounterSat, 851 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1689 SdHoareTripleChecker+Valid, 3118 SdHoareTripleChecker+Invalid, 3155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 851 IncrementalHoareTripleChecker+Valid, 2304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2023-11-21 22:27:15,967 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1689 Valid, 3118 Invalid, 3155 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [851 Valid, 2304 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2023-11-21 22:27:15,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3826 states. [2023-11-21 22:27:16,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3826 to 3740. [2023-11-21 22:27:16,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3740 states, 2188 states have (on average 1.2751371115173675) internal successors, (2790), 2245 states have internal predecessors, (2790), 1262 states have call successors, (1262), 288 states have call predecessors, (1262), 289 states have return successors, (1270), 1249 states have call predecessors, (1270), 1262 states have call successors, (1270) [2023-11-21 22:27:16,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3740 states to 3740 states and 5322 transitions. [2023-11-21 22:27:16,229 INFO L78 Accepts]: Start accepts. Automaton has 3740 states and 5322 transitions. Word has length 159 [2023-11-21 22:27:16,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:27:16,230 INFO L495 AbstractCegarLoop]: Abstraction has 3740 states and 5322 transitions. [2023-11-21 22:27:16,231 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2023-11-21 22:27:16,231 INFO L276 IsEmpty]: Start isEmpty. Operand 3740 states and 5322 transitions. [2023-11-21 22:27:16,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2023-11-21 22:27:16,240 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:27:16,240 INFO L195 NwaCegarLoop]: trace histogram [9, 8, 8, 8, 8, 8, 8, 6, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:27:16,240 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-21 22:27:16,241 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:27:16,241 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:27:16,241 INFO L85 PathProgramCache]: Analyzing trace with hash -1988574677, now seen corresponding path program 1 times [2023-11-21 22:27:16,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:27:16,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603909455] [2023-11-21 22:27:16,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:27:16,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:27:16,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:16,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:27:16,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:16,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:27:16,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:16,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-21 22:27:16,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:16,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:27:16,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:16,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-21 22:27:16,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:16,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:27:16,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:16,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-21 22:27:16,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:16,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:27:16,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:16,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-21 22:27:16,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:16,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:27:16,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:16,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-21 22:27:16,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:16,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:27:16,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:16,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-21 22:27:16,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:16,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:27:16,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:16,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-21 22:27:16,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:16,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:27:16,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:16,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-21 22:27:16,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:16,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-21 22:27:16,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:16,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-11-21 22:27:16,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:16,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-21 22:27:16,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:16,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-11-21 22:27:16,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:16,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-11-21 22:27:16,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:16,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-11-21 22:27:16,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:16,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-11-21 22:27:16,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:16,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-21 22:27:16,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:16,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-11-21 22:27:16,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:16,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-11-21 22:27:16,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:16,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-21 22:27:16,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:16,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:27:16,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:16,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-11-21 22:27:16,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:16,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-21 22:27:16,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:16,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-11-21 22:27:16,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:16,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-21 22:27:16,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:16,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2023-11-21 22:27:16,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:16,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-11-21 22:27:16,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:16,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2023-11-21 22:27:16,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:17,002 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2023-11-21 22:27:17,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:27:17,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603909455] [2023-11-21 22:27:17,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603909455] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:27:17,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:27:17,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-21 22:27:17,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730680168] [2023-11-21 22:27:17,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:27:17,005 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 22:27:17,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:27:17,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 22:27:17,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-21 22:27:17,008 INFO L87 Difference]: Start difference. First operand 3740 states and 5322 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 3 states have internal predecessors, (74), 4 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29)