./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19be9a6b-d5f6-4562-a6c4-7c4735d4589a/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19be9a6b-d5f6-4562-a6c4-7c4735d4589a/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19be9a6b-d5f6-4562-a6c4-7c4735d4589a/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19be9a6b-d5f6-4562-a6c4-7c4735d4589a/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19be9a6b-d5f6-4562-a6c4-7c4735d4589a/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19be9a6b-d5f6-4562-a6c4-7c4735d4589a/bin/utaipan-verify-SwPr7d2a91 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e184773994bf5ba427e3ad6843df80bcf1aa90cb50c2ace36ee6ac9939c1f916 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:59:44,940 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:59:45,011 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19be9a6b-d5f6-4562-a6c4-7c4735d4589a/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-24 23:59:45,017 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:59:45,017 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:59:45,044 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:59:45,045 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:59:45,046 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:59:45,047 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:59:45,048 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:59:45,048 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:59:45,049 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:59:45,050 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:59:45,050 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:59:45,051 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:59:45,051 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:59:45,052 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:59:45,053 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:59:45,053 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:59:45,054 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:59:45,054 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:59:45,061 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:59:45,062 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:59:45,063 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:59:45,063 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:59:45,064 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:59:45,064 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:59:45,064 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:59:45,065 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:59:45,066 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:59:45,066 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:59:45,067 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:59:45,067 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:59:45,068 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:59:45,068 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:59:45,069 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:59:45,069 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:59:45,070 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:59:45,070 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:59:45,070 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:59:45,071 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:59:45,072 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:59:45,073 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:59:45,073 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:59:45,074 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19be9a6b-d5f6-4562-a6c4-7c4735d4589a/bin/utaipan-verify-SwPr7d2a91/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19be9a6b-d5f6-4562-a6c4-7c4735d4589a/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e184773994bf5ba427e3ad6843df80bcf1aa90cb50c2ace36ee6ac9939c1f916 [2023-11-24 23:59:45,365 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:59:45,394 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:59:45,398 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:59:45,400 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:59:45,400 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:59:45,402 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19be9a6b-d5f6-4562-a6c4-7c4735d4589a/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i [2023-11-24 23:59:48,660 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:59:49,316 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:59:49,318 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19be9a6b-d5f6-4562-a6c4-7c4735d4589a/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i [2023-11-24 23:59:49,380 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19be9a6b-d5f6-4562-a6c4-7c4735d4589a/bin/utaipan-verify-SwPr7d2a91/data/0c0202649/e95beb29fa304637a954fc0be61d9849/FLAG7d3e7d5c0 [2023-11-24 23:59:49,402 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19be9a6b-d5f6-4562-a6c4-7c4735d4589a/bin/utaipan-verify-SwPr7d2a91/data/0c0202649/e95beb29fa304637a954fc0be61d9849 [2023-11-24 23:59:49,412 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:59:49,414 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:59:49,416 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:59:49,416 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:59:49,422 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:59:49,423 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:59:49" (1/1) ... [2023-11-24 23:59:49,424 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@718a993a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:49, skipping insertion in model container [2023-11-24 23:59:49,424 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:59:49" (1/1) ... [2023-11-24 23:59:49,650 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:59:53,325 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_19be9a6b-d5f6-4562-a6c4-7c4735d4589a/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[340444,340457] [2023-11-24 23:59:53,335 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_19be9a6b-d5f6-4562-a6c4-7c4735d4589a/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[340589,340602] [2023-11-24 23:59:53,379 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:59:53,451 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:59:53,690 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"); [5322] [2023-11-24 23:59:53,692 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)); [5329] [2023-11-24 23:59:53,693 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5336] [2023-11-24 23:59:53,699 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/7cdfae59d3ac602223400f61d8829e28/klever-core-work-dir/dfaa16b/linux-alloc-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [5391-5392] [2023-11-24 23:59:53,700 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"); [5397-5399] [2023-11-24 23:59:53,703 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [5504] [2023-11-24 23:59:53,704 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5512] [2023-11-24 23:59:53,704 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5519] [2023-11-24 23:59:53,713 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)); [5632-5633] [2023-11-24 23:59:53,716 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)); [5666-5667] [2023-11-24 23:59:53,722 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" (79), "i" (12UL)); [5707-5708] [2023-11-24 23:59:53,723 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" (91), "i" (12UL)); [5736-5737] [2023-11-24 23:59:53,725 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)); [5773-5774] [2023-11-24 23:59:53,727 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)); [5810-5811] [2023-11-24 23:59:53,775 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6748] [2023-11-24 23:59:53,825 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7519] [2023-11-24 23:59:53,826 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7529] [2023-11-24 23:59:53,827 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7544] [2023-11-24 23:59:53,883 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8330] [2023-11-24 23:59:53,885 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8363] [2023-11-24 23:59:53,887 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8386] [2023-11-24 23:59:53,899 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8627] [2023-11-24 23:59:53,902 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8657] [2023-11-24 23:59:53,903 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8670] [2023-11-24 23:59:54,165 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_19be9a6b-d5f6-4562-a6c4-7c4735d4589a/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[340444,340457] [2023-11-24 23:59:54,167 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_19be9a6b-d5f6-4562-a6c4-7c4735d4589a/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[340589,340602] [2023-11-24 23:59:54,175 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:59:54,431 WARN L675 CHandler]: The function strncmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:59:54,431 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:59:54,441 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:59:54,442 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:54 WrapperNode [2023-11-24 23:59:54,442 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:59:54,444 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:59:54,445 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:59:54,445 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:59:54,455 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:54" (1/1) ... [2023-11-24 23:59:54,666 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:54" (1/1) ... [2023-11-24 23:59:54,954 INFO L138 Inliner]: procedures = 430, calls = 2224, calls flagged for inlining = 204, calls inlined = 189, statements flattened = 6129 [2023-11-24 23:59:54,955 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:59:54,956 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:59:54,956 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:59:54,956 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:59:54,968 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:54" (1/1) ... [2023-11-24 23:59:54,968 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:54" (1/1) ... [2023-11-24 23:59:55,042 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:54" (1/1) ... [2023-11-24 23:59:55,043 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:54" (1/1) ... [2023-11-24 23:59:55,229 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:54" (1/1) ... [2023-11-24 23:59:55,276 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:54" (1/1) ... [2023-11-24 23:59:55,308 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:54" (1/1) ... [2023-11-24 23:59:55,436 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:54" (1/1) ... [2023-11-24 23:59:55,480 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:59:55,481 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:59:55,481 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:59:55,481 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:59:55,482 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:54" (1/1) ... [2023-11-24 23:59:55,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:59:55,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19be9a6b-d5f6-4562-a6c4-7c4735d4589a/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:59:55,527 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19be9a6b-d5f6-4562-a6c4-7c4735d4589a/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:59:55,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19be9a6b-d5f6-4562-a6c4-7c4735d4589a/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:59:55,578 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2023-11-24 23:59:55,579 INFO L130 BoogieDeclarations]: Found specification of procedure BB_GET_BIT2 [2023-11-24 23:59:55,580 INFO L138 BoogieDeclarations]: Found implementation of procedure BB_GET_BIT2 [2023-11-24 23:59:55,580 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2023-11-24 23:59:55,580 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2023-11-24 23:59:55,580 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-24 23:59:55,580 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-24 23:59:55,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-24 23:59:55,582 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-24 23:59:55,582 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_open [2023-11-24 23:59:55,582 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_open [2023-11-24 23:59:55,582 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_poll_stop [2023-11-24 23:59:55,583 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_poll_stop [2023-11-24 23:59:55,583 INFO L130 BoogieDeclarations]: Found specification of procedure is_quattro_p [2023-11-24 23:59:55,583 INFO L138 BoogieDeclarations]: Found implementation of procedure is_quattro_p [2023-11-24 23:59:55,583 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-24 23:59:55,583 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-24 23:59:55,584 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_close [2023-11-24 23:59:55,584 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_close [2023-11-24 23:59:55,584 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-24 23:59:55,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-24 23:59:55,585 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-24 23:59:55,585 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-24 23:59:55,585 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_87 [2023-11-24 23:59:55,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_87 [2023-11-24 23:59:55,586 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_set_multicast [2023-11-24 23:59:55,586 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_set_multicast [2023-11-24 23:59:55,586 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-24 23:59:55,586 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-24 23:59:55,586 INFO L130 BoogieDeclarations]: Found specification of procedure BB_PUT_BIT [2023-11-24 23:59:55,587 INFO L138 BoogieDeclarations]: Found implementation of procedure BB_PUT_BIT [2023-11-24 23:59:55,587 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2023-11-24 23:59:55,587 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2023-11-24 23:59:55,588 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_begin_auto_negotiation [2023-11-24 23:59:55,589 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_begin_auto_negotiation [2023-11-24 23:59:55,589 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_get_counters [2023-11-24 23:59:55,590 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_get_counters [2023-11-24 23:59:55,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_happy_lock_of_happy_meal [2023-11-24 23:59:55,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_happy_lock_of_happy_meal [2023-11-24 23:59:55,590 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-24 23:59:55,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-24 23:59:55,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-24 23:59:55,591 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-24 23:59:55,591 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-24 23:59:55,591 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-24 23:59:55,592 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-24 23:59:55,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer [2023-11-24 23:59:55,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer [2023-11-24 23:59:55,592 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-24 23:59:55,593 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-24 23:59:55,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-24 23:59:55,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-24 23:59:55,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:59:55,593 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-24 23:59:55,594 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-24 23:59:55,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_happy_lock_of_happy_meal [2023-11-24 23:59:55,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_happy_lock_of_happy_meal [2023-11-24 23:59:55,594 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-24 23:59:55,595 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-24 23:59:55,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-24 23:59:55,596 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-24 23:59:55,596 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-24 23:59:55,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-24 23:59:55,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-24 23:59:55,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-24 23:59:55,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:59:55,597 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-24 23:59:55,597 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-24 23:59:55,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2023-11-24 23:59:55,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2023-11-24 23:59:55,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-24 23:59:55,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-24 23:59:55,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-24 23:59:55,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-24 23:59:55,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-24 23:59:55,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-24 23:59:55,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-24 23:59:55,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-24 23:59:55,599 INFO L130 BoogieDeclarations]: Found specification of procedure set_happy_link_modes [2023-11-24 23:59:55,600 INFO L138 BoogieDeclarations]: Found implementation of procedure set_happy_link_modes [2023-11-24 23:59:55,600 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_reset [2023-11-24 23:59:55,600 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_reset [2023-11-24 23:59:55,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 23:59:55,601 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tx_timeout [2023-11-24 23:59:55,601 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tx_timeout [2023-11-24 23:59:55,602 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2023-11-24 23:59:55,602 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2023-11-24 23:59:55,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:59:55,603 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_read [2023-11-24 23:59:55,603 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_read [2023-11-24 23:59:55,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-24 23:59:55,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-24 23:59:55,604 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-24 23:59:55,604 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-24 23:59:55,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 23:59:55,605 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-24 23:59:55,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-24 23:59:55,605 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-24 23:59:55,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-24 23:59:55,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2023-11-24 23:59:55,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2023-11-24 23:59:55,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-11-24 23:59:55,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-11-24 23:59:55,606 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-24 23:59:55,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-24 23:59:55,606 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2023-11-24 23:59:55,607 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2023-11-24 23:59:55,607 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-24 23:59:55,608 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-24 23:59:55,609 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-24 23:59:55,610 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-24 23:59:55,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-24 23:59:55,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-24 23:59:55,610 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-24 23:59:55,610 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-24 23:59:55,610 INFO L130 BoogieDeclarations]: Found specification of procedure is_lucent_phy [2023-11-24 23:59:55,611 INFO L138 BoogieDeclarations]: Found implementation of procedure is_lucent_phy [2023-11-24 23:59:55,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:59:55,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:59:55,613 INFO L130 BoogieDeclarations]: Found specification of procedure hme_read_desc32 [2023-11-24 23:59:55,616 INFO L138 BoogieDeclarations]: Found implementation of procedure hme_read_desc32 [2023-11-24 23:59:55,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-24 23:59:55,617 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-24 23:59:55,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-24 23:59:55,619 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_clean_rings [2023-11-24 23:59:55,620 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_clean_rings [2023-11-24 23:59:55,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-24 23:59:55,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-24 23:59:55,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-24 23:59:55,627 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-11-24 23:59:55,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-11-24 23:59:55,627 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2023-11-24 23:59:55,627 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2023-11-24 23:59:55,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-24 23:59:55,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-24 23:59:55,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-24 23:59:55,629 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-24 23:59:55,629 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-24 23:59:55,629 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-24 23:59:55,630 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2023-11-24 23:59:55,630 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2023-11-24 23:59:55,630 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2023-11-24 23:59:55,630 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2023-11-24 23:59:55,630 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2023-11-24 23:59:55,630 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2023-11-24 23:59:55,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:59:55,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 23:59:55,631 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-11-24 23:59:55,631 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-11-24 23:59:55,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_86 [2023-11-24 23:59:55,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_86 [2023-11-24 23:59:55,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-24 23:59:55,632 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-24 23:59:55,632 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-24 23:59:55,632 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-24 23:59:55,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-24 23:59:55,633 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_stop [2023-11-24 23:59:55,633 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_stop [2023-11-24 23:59:55,633 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-24 23:59:55,634 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-24 23:59:55,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-24 23:59:55,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-24 23:59:55,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-24 23:59:55,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-24 23:59:55,634 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_pci_remove [2023-11-24 23:59:55,635 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_pci_remove [2023-11-24 23:59:55,635 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_init [2023-11-24 23:59:55,635 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_init [2023-11-24 23:59:55,635 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-11-24 23:59:55,635 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-11-24 23:59:55,635 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-24 23:59:55,636 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-24 23:59:55,636 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_write [2023-11-24 23:59:55,636 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_write [2023-11-24 23:59:55,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:59:55,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-24 23:59:55,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-24 23:59:55,637 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-11-24 23:59:55,637 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-11-24 23:59:55,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-24 23:59:55,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-24 23:59:55,637 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-11-24 23:59:55,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-11-24 23:59:55,638 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2023-11-24 23:59:55,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2023-11-24 23:59:55,638 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-24 23:59:55,638 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-24 23:59:55,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:59:55,639 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2023-11-24 23:59:55,639 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2023-11-24 23:59:55,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-24 23:59:55,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-24 23:59:55,639 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2023-11-24 23:59:55,639 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2023-11-24 23:59:55,640 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_transceiver_check [2023-11-24 23:59:55,640 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_transceiver_check [2023-11-24 23:59:56,634 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:59:56,639 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:59:57,807 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-25 00:00:02,697 INFO L282 CfgBuilder]: Performing block encoding [2023-11-25 00:00:06,429 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-25 00:00:06,430 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-25 00:00:06,432 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:00:06 BoogieIcfgContainer [2023-11-25 00:00:06,432 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-25 00:00:06,436 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-25 00:00:06,436 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-25 00:00:06,439 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-25 00:00:06,440 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:59:49" (1/3) ... [2023-11-25 00:00:06,442 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@370b4c58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:00:06, skipping insertion in model container [2023-11-25 00:00:06,442 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:54" (2/3) ... [2023-11-25 00:00:06,443 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@370b4c58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:00:06, skipping insertion in model container [2023-11-25 00:00:06,443 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:00:06" (3/3) ... [2023-11-25 00:00:06,445 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i [2023-11-25 00:00:06,470 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-25 00:00:06,470 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-25 00:00:06,574 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-25 00:00:06,581 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7c70b70f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-25 00:00:06,581 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-25 00:00:06,595 INFO L276 IsEmpty]: Start isEmpty. Operand has 1668 states, 971 states have (on average 1.279093717816684) internal successors, (1242), 1012 states have internal predecessors, (1242), 607 states have call successors, (607), 89 states have call predecessors, (607), 88 states have return successors, (603), 592 states have call predecessors, (603), 603 states have call successors, (603) [2023-11-25 00:00:06,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-11-25 00:00:06,632 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:00:06,633 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2023-11-25 00:00:06,634 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:00:06,639 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:00:06,640 INFO L85 PathProgramCache]: Analyzing trace with hash -987170902, now seen corresponding path program 1 times [2023-11-25 00:00:06,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:00:06,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688621864] [2023-11-25 00:00:06,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:00:06,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:00:07,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:00:07,482 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-11-25 00:00:07,482 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:00:07,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688621864] [2023-11-25 00:00:07,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [688621864] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:00:07,486 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:00:07,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-25 00:00:07,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301691971] [2023-11-25 00:00:07,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:00:07,495 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-25 00:00:07,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:00:07,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-25 00:00:07,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-25 00:00:07,538 INFO L87 Difference]: Start difference. First operand has 1668 states, 971 states have (on average 1.279093717816684) internal successors, (1242), 1012 states have internal predecessors, (1242), 607 states have call successors, (607), 89 states have call predecessors, (607), 88 states have return successors, (603), 592 states have call predecessors, (603), 603 states have call successors, (603) Second operand has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-25 00:00:10,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:00:10,639 INFO L93 Difference]: Finished difference Result 3313 states and 4891 transitions. [2023-11-25 00:00:10,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-25 00:00:10,642 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 97 [2023-11-25 00:00:10,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:00:10,683 INFO L225 Difference]: With dead ends: 3313 [2023-11-25 00:00:10,684 INFO L226 Difference]: Without dead ends: 1485 [2023-11-25 00:00:10,704 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-25 00:00:10,707 INFO L413 NwaCegarLoop]: 2150 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 298 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2150 SdHoareTripleChecker+Invalid, 298 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-11-25 00:00:10,708 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2150 Invalid, 298 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 298 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-11-25 00:00:10,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1485 states. [2023-11-25 00:00:10,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1485 to 1485. [2023-11-25 00:00:10,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1485 states, 863 states have (on average 1.26882966396292) internal successors, (1095), 901 states have internal predecessors, (1095), 535 states have call successors, (535), 86 states have call predecessors, (535), 86 states have return successors, (534), 523 states have call predecessors, (534), 534 states have call successors, (534) [2023-11-25 00:00:10,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1485 states to 1485 states and 2164 transitions. [2023-11-25 00:00:10,898 INFO L78 Accepts]: Start accepts. Automaton has 1485 states and 2164 transitions. Word has length 97 [2023-11-25 00:00:10,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:00:10,900 INFO L495 AbstractCegarLoop]: Abstraction has 1485 states and 2164 transitions. [2023-11-25 00:00:10,900 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-25 00:00:10,900 INFO L276 IsEmpty]: Start isEmpty. Operand 1485 states and 2164 transitions. [2023-11-25 00:00:10,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-25 00:00:10,905 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:00:10,905 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2023-11-25 00:00:10,905 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-25 00:00:10,906 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:00:10,906 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:00:10,906 INFO L85 PathProgramCache]: Analyzing trace with hash -1004708654, now seen corresponding path program 1 times [2023-11-25 00:00:10,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:00:10,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973616974] [2023-11-25 00:00:10,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:00:10,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:00:11,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:00:11,569 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-11-25 00:00:11,570 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:00:11,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973616974] [2023-11-25 00:00:11,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1973616974] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:00:11,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:00:11,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-25 00:00:11,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850922124] [2023-11-25 00:00:11,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:00:11,572 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-25 00:00:11,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:00:11,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-25 00:00:11,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-25 00:00:11,573 INFO L87 Difference]: Start difference. First operand 1485 states and 2164 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-25 00:00:14,206 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-25 00:00:15,806 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-25 00:00:17,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-25 00:00:20,282 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-25 00:00:23,176 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-25 00:00:24,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-25 00:00:26,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:00:26,746 INFO L93 Difference]: Finished difference Result 3260 states and 4790 transitions. [2023-11-25 00:00:26,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-25 00:00:26,747 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 98 [2023-11-25 00:00:26,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:00:26,766 INFO L225 Difference]: With dead ends: 3260 [2023-11-25 00:00:26,767 INFO L226 Difference]: Without dead ends: 1792 [2023-11-25 00:00:26,780 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-25 00:00:26,782 INFO L413 NwaCegarLoop]: 1891 mSDtfsCounter, 263 mSDsluCounter, 5669 mSDsCounter, 0 mSdLazyCounter, 1091 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 375 SdHoareTripleChecker+Valid, 7560 SdHoareTripleChecker+Invalid, 1094 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1091 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.9s IncrementalHoareTripleChecker+Time [2023-11-25 00:00:26,782 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [375 Valid, 7560 Invalid, 1094 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1091 Invalid, 2 Unknown, 0 Unchecked, 14.9s Time] [2023-11-25 00:00:26,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1792 states. [2023-11-25 00:00:26,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1792 to 1489. [2023-11-25 00:00:26,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1489 states, 866 states have (on average 1.2678983833718245) internal successors, (1098), 904 states have internal predecessors, (1098), 535 states have call successors, (535), 86 states have call predecessors, (535), 87 states have return successors, (536), 524 states have call predecessors, (536), 534 states have call successors, (536) [2023-11-25 00:00:26,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1489 states to 1489 states and 2169 transitions. [2023-11-25 00:00:26,901 INFO L78 Accepts]: Start accepts. Automaton has 1489 states and 2169 transitions. Word has length 98 [2023-11-25 00:00:26,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:00:26,906 INFO L495 AbstractCegarLoop]: Abstraction has 1489 states and 2169 transitions. [2023-11-25 00:00:26,908 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-25 00:00:26,908 INFO L276 IsEmpty]: Start isEmpty. Operand 1489 states and 2169 transitions. [2023-11-25 00:00:26,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-25 00:00:26,912 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:00:26,912 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2023-11-25 00:00:26,912 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-25 00:00:26,915 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:00:26,915 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:00:26,915 INFO L85 PathProgramCache]: Analyzing trace with hash 562719378, now seen corresponding path program 1 times [2023-11-25 00:00:26,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:00:26,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653498323] [2023-11-25 00:00:26,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:00:26,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:00:27,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:00:30,793 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-11-25 00:00:30,793 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:00:30,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653498323] [2023-11-25 00:00:30,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653498323] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:00:30,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:00:30,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-25 00:00:30,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114322423] [2023-11-25 00:00:30,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:00:30,796 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-25 00:00:30,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:00:30,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-25 00:00:30,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-25 00:00:30,798 INFO L87 Difference]: Start difference. First operand 1489 states and 2169 transitions. Second operand has 6 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-25 00:00:35,622 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []