./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--amd--pcnet32.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94574905-3b55-495f-b6a6-d166b09b940f/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94574905-3b55-495f-b6a6-d166b09b940f/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94574905-3b55-495f-b6a6-d166b09b940f/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94574905-3b55-495f-b6a6-d166b09b940f/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--amd--pcnet32.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94574905-3b55-495f-b6a6-d166b09b940f/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94574905-3b55-495f-b6a6-d166b09b940f/bin/utaipan-verify-NcY6lQBIFX --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 7ff003882b08ca56763f284139ca642342f8418a44f2a3d0d99a37ea441af7b9 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 01:01:49,760 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 01:01:49,879 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94574905-3b55-495f-b6a6-d166b09b940f/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-12 01:01:49,887 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 01:01:49,888 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 01:01:49,924 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 01:01:49,925 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 01:01:49,926 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 01:01:49,927 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 01:01:49,931 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 01:01:49,932 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 01:01:49,933 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 01:01:49,934 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 01:01:49,935 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 01:01:49,936 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 01:01:49,936 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 01:01:49,937 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 01:01:49,937 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 01:01:49,937 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 01:01:49,938 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 01:01:49,938 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 01:01:49,939 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 01:01:49,940 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 01:01:49,941 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 01:01:49,941 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 01:01:49,941 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 01:01:49,942 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 01:01:49,942 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 01:01:49,943 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 01:01:49,943 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 01:01:49,944 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 01:01:49,945 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 01:01:49,945 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 01:01:49,945 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 01:01:49,946 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 01:01:49,946 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 01:01:49,946 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 01:01:49,946 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 01:01:49,947 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 01:01:49,947 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 01:01:49,947 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 01:01:49,948 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 01:01:49,948 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_94574905-3b55-495f-b6a6-d166b09b940f/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94574905-3b55-495f-b6a6-d166b09b940f/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7ff003882b08ca56763f284139ca642342f8418a44f2a3d0d99a37ea441af7b9 [2023-11-12 01:01:50,275 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 01:01:50,308 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 01:01:50,310 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 01:01:50,312 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 01:01:50,312 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 01:01:50,313 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94574905-3b55-495f-b6a6-d166b09b940f/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--amd--pcnet32.ko-entry_point.cil.out.i [2023-11-12 01:01:53,542 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 01:01:54,340 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 01:01:54,341 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94574905-3b55-495f-b6a6-d166b09b940f/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--amd--pcnet32.ko-entry_point.cil.out.i [2023-11-12 01:01:54,413 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94574905-3b55-495f-b6a6-d166b09b940f/bin/utaipan-verify-NcY6lQBIFX/data/77f3222f6/7db82097efed454a8f212160719d2d12/FLAG301899235 [2023-11-12 01:01:54,430 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94574905-3b55-495f-b6a6-d166b09b940f/bin/utaipan-verify-NcY6lQBIFX/data/77f3222f6/7db82097efed454a8f212160719d2d12 [2023-11-12 01:01:54,436 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 01:01:54,438 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 01:01:54,441 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 01:01:54,441 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 01:01:54,447 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 01:01:54,448 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:01:54" (1/1) ... [2023-11-12 01:01:54,449 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f8b609d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:54, skipping insertion in model container [2023-11-12 01:01:54,449 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:01:54" (1/1) ... [2023-11-12 01:01:54,636 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 01:01:55,433 WARN L635 FunctionHandler]: implicit declaration of function ldv_undef_int [2023-11-12 01:01:55,434 WARN L635 FunctionHandler]: implicit declaration of function ldv_assume [2023-11-12 01:01:57,216 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_94574905-3b55-495f-b6a6-d166b09b940f/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--amd--pcnet32.ko-entry_point.cil.out.i[330115,330128] [2023-11-12 01:01:57,299 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 01:01:57,361 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 01:01:57,546 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"); [5598] [2023-11-12 01:01:57,548 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)); [5605] [2023-11-12 01:01:57,549 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 %2, %0; setc %1": "+m" (*addr), "=qm" (c): "Ir" (nr): "memory"); [5613-5614] [2023-11-12 01:01:57,554 WARN L635 FunctionHandler]: implicit declaration of function ldv_undef_int [2023-11-12 01:01:57,555 WARN L635 FunctionHandler]: implicit declaration of function ldv_assume [2023-11-12 01:01:57,563 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5815] [2023-11-12 01:01:57,563 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outw %w0, %w1": : "a" (value), "Nd" (port)); [5822] [2023-11-12 01:01:57,564 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inw %w1, %w0": "=a" (value): "Nd" (port)); [5830] [2023-11-12 01:01:57,564 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outl %0, %w1": : "a" (value), "Nd" (port)); [5837] [2023-11-12 01:01:57,565 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inl %w1, %0": "=a" (value): "Nd" (port)); [5845] [2023-11-12 01:01:57,575 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)); [6015-6016] [2023-11-12 01:01:57,580 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)); [6044-6045] [2023-11-12 01:01:57,582 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" (108), "i" (12UL)); [6074-6075] [2023-11-12 01:01:57,584 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" (120), "i" (12UL)); [6104-6105] [2023-11-12 01:01:57,596 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/linux/netdevice.h"), "i" (507), "i" (12UL)); [6366-6367] [2023-11-12 01:01:57,596 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6372] [2023-11-12 01:01:57,603 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%1,%0": "=q" (pfo_ret__): "m" (cpu_number)); [6543] [2023-11-12 01:01:57,604 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6546] [2023-11-12 01:01:57,604 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6549] [2023-11-12 01:01:57,605 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6552] [2023-11-12 01:01:57,605 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%1,%0": "=q" (pfo_ret_____0): "m" (cpu_number)); [6563] [2023-11-12 01:01:57,606 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6566] [2023-11-12 01:01:57,607 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6569] [2023-11-12 01:01:57,608 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6572] [2023-11-12 01:01:57,608 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%1,%0": "=q" (pfo_ret_____1): "m" (cpu_number)); [6583] [2023-11-12 01:01:57,609 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6586] [2023-11-12 01:01:57,609 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6589] [2023-11-12 01:01:57,609 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6592] [2023-11-12 01:01:57,610 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%1,%0": "=q" (pfo_ret_____2): "m" (cpu_number)); [6603] [2023-11-12 01:01:57,610 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6606] [2023-11-12 01:01:57,611 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6609] [2023-11-12 01:01:57,611 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6612] [2023-11-12 01:01:57,652 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7150] [2023-11-12 01:01:57,676 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7592] [2023-11-12 01:01:57,678 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [7612] [2023-11-12 01:01:57,679 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [7618] [2023-11-12 01:01:57,681 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7641] [2023-11-12 01:01:57,704 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7978] [2023-11-12 01:01:57,840 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9265] [2023-11-12 01:01:57,843 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [9325] [2023-11-12 01:01:57,846 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9343] [2023-11-12 01:01:57,848 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9355] [2023-11-12 01:01:57,851 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9377] [2023-11-12 01:01:57,862 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9540] [2023-11-12 01:01:57,996 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_94574905-3b55-495f-b6a6-d166b09b940f/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--amd--pcnet32.ko-entry_point.cil.out.i[330115,330128] [2023-11-12 01:01:58,007 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 01:01:58,262 WARN L672 CHandler]: The function __bad_size_call_parameter is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 01:01:58,262 WARN L672 CHandler]: The function ldv_assume is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 01:01:58,262 WARN L672 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 01:01:58,270 INFO L206 MainTranslator]: Completed translation [2023-11-12 01:01:58,271 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:58 WrapperNode [2023-11-12 01:01:58,271 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 01:01:58,272 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 01:01:58,272 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 01:01:58,273 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 01:01:58,280 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:58" (1/1) ... [2023-11-12 01:01:58,399 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:58" (1/1) ... [2023-11-12 01:01:58,650 INFO L138 Inliner]: procedures = 329, calls = 2740, calls flagged for inlining = 161, calls inlined = 142, statements flattened = 7626 [2023-11-12 01:01:58,652 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 01:01:58,653 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 01:01:58,653 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 01:01:58,654 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 01:01:58,665 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:58" (1/1) ... [2023-11-12 01:01:58,665 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:58" (1/1) ... [2023-11-12 01:01:58,722 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:58" (1/1) ... [2023-11-12 01:01:58,735 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:58" (1/1) ... [2023-11-12 01:01:58,992 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:58" (1/1) ... [2023-11-12 01:01:59,018 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:58" (1/1) ... [2023-11-12 01:01:59,060 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:58" (1/1) ... [2023-11-12 01:01:59,079 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:58" (1/1) ... [2023-11-12 01:01:59,134 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 01:01:59,135 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 01:01:59,135 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 01:01:59,135 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 01:01:59,136 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:58" (1/1) ... [2023-11-12 01:01:59,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 01:01:59,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94574905-3b55-495f-b6a6-d166b09b940f/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 01:01:59,168 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94574905-3b55-495f-b6a6-d166b09b940f/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 01:01:59,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94574905-3b55-495f-b6a6-d166b09b940f/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 01:01:59,289 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-12 01:01:59,290 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-12 01:01:59,290 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2023-11-12 01:01:59,290 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2023-11-12 01:01:59,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_3 [2023-11-12 01:01:59,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_3 [2023-11-12 01:01:59,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-12 01:01:59,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-12 01:01:59,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-12 01:01:59,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-12 01:01:59,291 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_write_rap [2023-11-12 01:01:59,291 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_write_rap [2023-11-12 01:01:59,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-12 01:01:59,291 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-12 01:01:59,291 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-11-12 01:01:59,291 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-11-12 01:01:59,291 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_pm_resume [2023-11-12 01:01:59,292 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_pm_resume [2023-11-12 01:01:59,292 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_check_media [2023-11-12 01:01:59,292 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_check_media [2023-11-12 01:01:59,292 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-12 01:01:59,292 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-12 01:01:59,292 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_ioctl [2023-11-12 01:01:59,292 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_ioctl [2023-11-12 01:01:59,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-12 01:01:59,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-12 01:01:59,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 01:01:59,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 01:01:59,293 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2023-11-12 01:01:59,293 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-12 01:01:59,293 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-12 01:01:59,293 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_poll_controller [2023-11-12 01:01:59,293 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_poll_controller [2023-11-12 01:01:59,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-12 01:01:59,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-12 01:01:59,294 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_free_ring [2023-11-12 01:01:59,294 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_free_ring [2023-11-12 01:01:59,294 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-12 01:01:59,294 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-12 01:01:59,294 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-12 01:01:59,294 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-12 01:01:59,294 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-12 01:01:59,295 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-12 01:01:59,295 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_interrupt [2023-11-12 01:01:59,295 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_interrupt [2023-11-12 01:01:59,295 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-12 01:01:59,295 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-12 01:01:59,295 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2023-11-12 01:01:59,295 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2023-11-12 01:01:59,295 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 01:01:59,296 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 01:01:59,296 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-12 01:01:59,296 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-12 01:01:59,296 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-12 01:01:59,296 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-12 01:01:59,296 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2023-11-12 01:01:59,296 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2023-11-12 01:01:59,296 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2023-11-12 01:01:59,297 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2023-11-12 01:01:59,297 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_gset [2023-11-12 01:01:59,297 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_gset [2023-11-12 01:01:59,297 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_purge_rx_ring [2023-11-12 01:01:59,297 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_purge_rx_ring [2023-11-12 01:01:59,297 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_write_csr [2023-11-12 01:01:59,297 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_write_csr [2023-11-12 01:01:59,298 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_tx_timeout [2023-11-12 01:01:59,298 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_tx_timeout [2023-11-12 01:01:59,298 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-12 01:01:59,298 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-12 01:01:59,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 01:01:59,298 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_netif_stop [2023-11-12 01:01:59,298 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_netif_stop [2023-11-12 01:01:59,299 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-12 01:01:59,299 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-12 01:01:59,299 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2023-11-12 01:01:59,299 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2023-11-12 01:01:59,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 01:01:59,299 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-12 01:01:59,299 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-12 01:01:59,300 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-12 01:01:59,300 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-12 01:01:59,300 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-12 01:01:59,304 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-12 01:01:59,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-11-12 01:01:59,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-11-12 01:01:59,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-12 01:01:59,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-12 01:01:59,305 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-12 01:01:59,305 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-12 01:01:59,306 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-12 01:01:59,306 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-12 01:01:59,307 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 01:01:59,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 01:01:59,307 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_read_csr [2023-11-12 01:01:59,308 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_read_csr [2023-11-12 01:01:59,308 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_set_multicast_list [2023-11-12 01:01:59,308 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_set_multicast_list [2023-11-12 01:01:59,308 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-12 01:01:59,308 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-12 01:01:59,309 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_write_bcr [2023-11-12 01:01:59,309 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_write_bcr [2023-11-12 01:01:59,309 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2023-11-12 01:01:59,309 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2023-11-12 01:01:59,309 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2023-11-12 01:01:59,309 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2023-11-12 01:01:59,310 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-12 01:01:59,310 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-12 01:01:59,310 INFO L130 BoogieDeclarations]: Found specification of procedure mii_link_ok [2023-11-12 01:01:59,310 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_link_ok [2023-11-12 01:01:59,310 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-12 01:01:59,311 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-12 01:01:59,311 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2023-11-12 01:01:59,311 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2023-11-12 01:01:59,311 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_probe1 [2023-11-12 01:01:59,311 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_probe1 [2023-11-12 01:01:59,312 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-12 01:01:59,312 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-12 01:01:59,312 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_get_stats [2023-11-12 01:01:59,312 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_get_stats [2023-11-12 01:01:59,312 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2023-11-12 01:01:59,313 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2023-11-12 01:01:59,313 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_remove_one [2023-11-12 01:01:59,313 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_remove_one [2023-11-12 01:01:59,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-12 01:01:59,313 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_sset [2023-11-12 01:01:59,313 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_sset [2023-11-12 01:01:59,314 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-12 01:01:59,314 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-12 01:01:59,314 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~~u16~0~TO~VOID [2023-11-12 01:01:59,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~~u16~0~TO~VOID [2023-11-12 01:01:59,314 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_read_bcr [2023-11-12 01:01:59,314 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_read_bcr [2023-11-12 01:01:59,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 01:01:59,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-12 01:01:59,315 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_2 [2023-11-12 01:01:59,315 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_2 [2023-11-12 01:01:59,315 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-11-12 01:01:59,316 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-11-12 01:01:59,316 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_purge_tx_ring [2023-11-12 01:01:59,316 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_purge_tx_ring [2023-11-12 01:01:59,316 INFO L130 BoogieDeclarations]: Found specification of procedure pci_zalloc_consistent [2023-11-12 01:01:59,316 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_zalloc_consistent [2023-11-12 01:01:59,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 01:01:59,317 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_write_rap [2023-11-12 01:01:59,317 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_write_rap [2023-11-12 01:01:59,317 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-12 01:01:59,317 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-12 01:01:59,317 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-12 01:01:59,318 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-12 01:01:59,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-12 01:01:59,318 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-12 01:01:59,318 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2023-11-12 01:01:59,318 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2023-11-12 01:01:59,318 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_write_bcr [2023-11-12 01:01:59,319 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_write_bcr [2023-11-12 01:01:59,319 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_read_bcr [2023-11-12 01:01:59,319 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_read_bcr [2023-11-12 01:01:59,319 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-12 01:01:59,319 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-12 01:01:59,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-12 01:01:59,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-12 01:01:59,320 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_init_ring [2023-11-12 01:01:59,320 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_init_ring [2023-11-12 01:01:59,320 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_close [2023-11-12 01:01:59,320 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_close [2023-11-12 01:01:59,321 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-11-12 01:01:59,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-11-12 01:01:59,321 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-12 01:01:59,321 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-12 01:01:59,321 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-12 01:01:59,321 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-12 01:01:59,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 01:01:59,322 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-12 01:01:59,322 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-12 01:01:59,322 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_suspend [2023-11-12 01:01:59,322 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_suspend [2023-11-12 01:01:59,322 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2023-11-12 01:01:59,323 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2023-11-12 01:01:59,323 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_netif_start [2023-11-12 01:01:59,323 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_netif_start [2023-11-12 01:01:59,323 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2023-11-12 01:01:59,323 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2023-11-12 01:01:59,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 01:01:59,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 01:01:59,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-12 01:01:59,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-12 01:01:59,324 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~~u16~0 [2023-11-12 01:01:59,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~~u16~0 [2023-11-12 01:01:59,324 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 01:01:59,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-12 01:01:59,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-12 01:01:59,325 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-11-12 01:01:59,325 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-11-12 01:01:59,325 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_write_csr [2023-11-12 01:01:59,325 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_write_csr [2023-11-12 01:01:59,326 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_open [2023-11-12 01:01:59,326 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_open [2023-11-12 01:01:59,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 01:01:59,326 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2023-11-12 01:01:59,326 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2023-11-12 01:01:59,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-12 01:01:59,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-12 01:01:59,327 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-12 01:01:59,327 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-12 01:01:59,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 01:01:59,327 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-12 01:01:59,328 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_load_multicast [2023-11-12 01:01:59,328 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_load_multicast [2023-11-12 01:01:59,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2023-11-12 01:01:59,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2023-11-12 01:01:59,328 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2023-11-12 01:01:59,328 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2023-11-12 01:01:59,329 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_reset [2023-11-12 01:01:59,329 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_reset [2023-11-12 01:01:59,329 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2023-11-12 01:01:59,329 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2023-11-12 01:01:59,329 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_printk [2023-11-12 01:01:59,329 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_printk [2023-11-12 01:01:59,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_3 [2023-11-12 01:01:59,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_3 [2023-11-12 01:01:59,330 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-12 01:01:59,330 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-12 01:01:59,330 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_restart [2023-11-12 01:01:59,330 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_restart [2023-11-12 01:01:59,331 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-12 01:01:59,331 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-12 01:01:59,331 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2023-11-12 01:01:59,331 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2023-11-12 01:01:59,331 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-12 01:01:59,331 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-12 01:01:59,332 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-12 01:01:59,332 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-12 01:01:59,332 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_read_csr [2023-11-12 01:01:59,332 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_read_csr [2023-11-12 01:01:59,332 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-11-12 01:01:59,333 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-11-12 01:01:59,333 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2023-11-12 01:01:59,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2023-11-12 01:01:59,333 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2023-11-12 01:01:59,333 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2023-11-12 01:01:59,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 01:01:59,334 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2023-11-12 01:01:59,334 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2023-11-12 01:01:59,334 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_reset [2023-11-12 01:01:59,334 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_reset [2023-11-12 01:01:59,334 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2023-11-12 01:01:59,334 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2023-11-12 01:01:59,335 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2023-11-12 01:01:59,335 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2023-11-12 01:01:59,335 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2023-11-12 01:01:59,335 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2023-11-12 01:01:59,335 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 01:01:59,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 01:02:00,332 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 01:02:00,340 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 01:02:00,690 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-12 01:02:13,447 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 01:02:17,838 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 01:02:17,838 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-12 01:02:17,844 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:02:17 BoogieIcfgContainer [2023-11-12 01:02:17,845 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 01:02:17,850 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 01:02:17,850 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 01:02:17,854 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 01:02:17,855 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 01:01:54" (1/3) ... [2023-11-12 01:02:17,857 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@775fb639 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:02:17, skipping insertion in model container [2023-11-12 01:02:17,858 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:58" (2/3) ... [2023-11-12 01:02:17,859 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@775fb639 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:02:17, skipping insertion in model container [2023-11-12 01:02:17,859 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:02:17" (3/3) ... [2023-11-12 01:02:17,861 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--amd--pcnet32.ko-entry_point.cil.out.i [2023-11-12 01:02:17,886 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 01:02:17,886 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 01:02:18,006 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 01:02:18,014 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;@71100d2a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 01:02:18,014 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 01:02:18,031 INFO L276 IsEmpty]: Start isEmpty. Operand has 2075 states, 1290 states have (on average 1.3449612403100775) internal successors, (1735), 1353 states have internal predecessors, (1735), 669 states have call successors, (669), 117 states have call predecessors, (669), 116 states have return successors, (660), 652 states have call predecessors, (660), 660 states have call successors, (660) [2023-11-12 01:02:18,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 509 [2023-11-12 01:02:18,103 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 01:02:18,105 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 35, 35, 35, 10, 10, 10, 10, 10, 10, 10, 10, 10, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 01:02:18,106 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 01:02:18,113 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 01:02:18,114 INFO L85 PathProgramCache]: Analyzing trace with hash 624485306, now seen corresponding path program 1 times [2023-11-12 01:02:18,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 01:02:18,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186759640] [2023-11-12 01:02:18,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 01:02:18,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 01:02:19,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 01:02:20,618 INFO L134 CoverageAnalysis]: Checked inductivity of 4617 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4617 trivial. 0 not checked. [2023-11-12 01:02:20,619 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 01:02:20,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186759640] [2023-11-12 01:02:20,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186759640] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 01:02:20,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 01:02:20,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 01:02:20,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695276487] [2023-11-12 01:02:20,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 01:02:20,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 01:02:20,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 01:02:20,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 01:02:20,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 01:02:20,688 INFO L87 Difference]: Start difference. First operand has 2075 states, 1290 states have (on average 1.3449612403100775) internal successors, (1735), 1353 states have internal predecessors, (1735), 669 states have call successors, (669), 117 states have call predecessors, (669), 116 states have return successors, (660), 652 states have call predecessors, (660), 660 states have call successors, (660) Second operand has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (59), 2 states have call predecessors, (59), 1 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) [2023-11-12 01:02:22,788 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 01:02:28,141 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 01:02:31,198 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 01:02:33,203 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 [] [2023-11-12 01:02:34,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 01:02:34,059 INFO L93 Difference]: Finished difference Result 5574 states and 8249 transitions. [2023-11-12 01:02:34,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 01:02:34,062 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (59), 2 states have call predecessors, (59), 1 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) Word has length 508 [2023-11-12 01:02:34,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 01:02:34,118 INFO L225 Difference]: With dead ends: 5574 [2023-11-12 01:02:34,118 INFO L226 Difference]: Without dead ends: 3539 [2023-11-12 01:02:34,138 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 01:02:34,142 INFO L413 NwaCegarLoop]: 2759 mSDtfsCounter, 2331 mSDsluCounter, 2556 mSDsCounter, 0 mSdLazyCounter, 682 mSolverCounterSat, 2 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2331 SdHoareTripleChecker+Valid, 5315 SdHoareTripleChecker+Invalid, 688 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 682 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.9s IncrementalHoareTripleChecker+Time [2023-11-12 01:02:34,143 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2331 Valid, 5315 Invalid, 688 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 682 Invalid, 4 Unknown, 0 Unchecked, 12.9s Time] [2023-11-12 01:02:34,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3539 states. [2023-11-12 01:02:34,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3539 to 3536. [2023-11-12 01:02:34,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3536 states, 2211 states have (on average 1.336951605608322) internal successors, (2956), 2292 states have internal predecessors, (2956), 1101 states have call successors, (1101), 224 states have call predecessors, (1101), 223 states have return successors, (1100), 1086 states have call predecessors, (1100), 1100 states have call successors, (1100) [2023-11-12 01:02:34,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3536 states to 3536 states and 5157 transitions. [2023-11-12 01:02:34,638 INFO L78 Accepts]: Start accepts. Automaton has 3536 states and 5157 transitions. Word has length 508 [2023-11-12 01:02:34,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 01:02:34,649 INFO L495 AbstractCegarLoop]: Abstraction has 3536 states and 5157 transitions. [2023-11-12 01:02:34,649 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (59), 2 states have call predecessors, (59), 1 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) [2023-11-12 01:02:34,650 INFO L276 IsEmpty]: Start isEmpty. Operand 3536 states and 5157 transitions. [2023-11-12 01:02:34,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 518 [2023-11-12 01:02:34,682 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 01:02:34,683 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 35, 35, 35, 10, 10, 10, 10, 10, 10, 10, 10, 10, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 01:02:34,683 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 01:02:34,685 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 01:02:34,685 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 01:02:34,686 INFO L85 PathProgramCache]: Analyzing trace with hash 1867592188, now seen corresponding path program 1 times [2023-11-12 01:02:34,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 01:02:34,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302071031] [2023-11-12 01:02:34,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 01:02:34,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 01:02:35,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 01:02:36,445 INFO L134 CoverageAnalysis]: Checked inductivity of 4629 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4629 trivial. 0 not checked. [2023-11-12 01:02:36,446 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 01:02:36,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302071031] [2023-11-12 01:02:36,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1302071031] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 01:02:36,451 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 01:02:36,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 01:02:36,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104194682] [2023-11-12 01:02:36,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 01:02:36,456 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 01:02:36,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 01:02:36,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 01:02:36,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 01:02:36,458 INFO L87 Difference]: Start difference. First operand 3536 states and 5157 transitions. Second operand has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (64), 2 states have call predecessors, (64), 1 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) [2023-11-12 01:02:38,518 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []