./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--atm--idt77252.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 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_bbd4bd31-319c-4f55-a805-6ee00bf4dd0d/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd4bd31-319c-4f55-a805-6ee00bf4dd0d/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd4bd31-319c-4f55-a805-6ee00bf4dd0d/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd4bd31-319c-4f55-a805-6ee00bf4dd0d/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--atm--idt77252.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd4bd31-319c-4f55-a805-6ee00bf4dd0d/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd4bd31-319c-4f55-a805-6ee00bf4dd0d/bin/utaipan-verify-mE87zJ7Ire --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 fb0fc86f72cdfe1a837f7da7eb551fccd91d133ec18be371191e60cc97080830 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:12:11,810 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:12:11,875 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd4bd31-319c-4f55-a805-6ee00bf4dd0d/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:12:11,880 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:12:11,881 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:12:11,920 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:12:11,921 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:12:11,921 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:12:11,922 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:12:11,927 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:12:11,927 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:12:11,929 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:12:11,929 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:12:11,931 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:12:11,931 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:12:11,931 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:12:11,932 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:12:11,932 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:12:11,932 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:12:11,933 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:12:11,933 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:12:11,934 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:12:11,935 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:12:11,935 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:12:11,936 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:12:11,936 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:12:11,936 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:12:11,937 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:12:11,937 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:12:11,937 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:12:11,939 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:12:11,939 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:12:11,939 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:12:11,939 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:12:11,940 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:12:11,940 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:12:11,940 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:12:11,940 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:12:11,940 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:12:11,941 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:12:11,941 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:12:11,941 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:12:11,941 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:12:11,942 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:12:11,942 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_bbd4bd31-319c-4f55-a805-6ee00bf4dd0d/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd4bd31-319c-4f55-a805-6ee00bf4dd0d/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb0fc86f72cdfe1a837f7da7eb551fccd91d133ec18be371191e60cc97080830 [2023-11-23 21:12:12,195 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:12:12,225 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:12:12,228 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:12:12,229 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:12:12,230 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:12:12,231 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd4bd31-319c-4f55-a805-6ee00bf4dd0d/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--atm--idt77252.ko-entry_point.cil.out.i [2023-11-23 21:12:15,353 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:12:16,034 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:12:16,034 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd4bd31-319c-4f55-a805-6ee00bf4dd0d/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--atm--idt77252.ko-entry_point.cil.out.i [2023-11-23 21:12:16,101 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd4bd31-319c-4f55-a805-6ee00bf4dd0d/bin/utaipan-verify-mE87zJ7Ire/data/c81b079a7/f3e8f8d4b4eb43d8851051aac78394cf/FLAG6fbddbc6f [2023-11-23 21:12:16,121 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd4bd31-319c-4f55-a805-6ee00bf4dd0d/bin/utaipan-verify-mE87zJ7Ire/data/c81b079a7/f3e8f8d4b4eb43d8851051aac78394cf [2023-11-23 21:12:16,132 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:12:16,134 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:12:16,140 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:12:16,140 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:12:16,146 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:12:16,146 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:12:16" (1/1) ... [2023-11-23 21:12:16,147 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8639ffd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:16, skipping insertion in model container [2023-11-23 21:12:16,148 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:12:16" (1/1) ... [2023-11-23 21:12:16,383 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:12:19,322 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_bbd4bd31-319c-4f55-a805-6ee00bf4dd0d/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--atm--idt77252.ko-entry_point.cil.out.i[367978,367991] [2023-11-23 21:12:19,389 WARN L635 FunctionHandler]: implicit declaration of function ldv_xmalloc [2023-11-23 21:12:19,422 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:12:19,529 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:12:19,716 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"); [6380] [2023-11-23 21:12:19,718 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)); [6387] [2023-11-23 21:12:19,719 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"); [6395-6396] [2023-11-23 21:12:19,719 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 %2, %0; setc %1": "+m" (*addr), "=qm" (c): "Ir" (nr): "memory"); [6404-6405] [2023-11-23 21:12:19,724 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; addl %1,%0": "+m" (v->counter): "ir" (i)); [6541] [2023-11-23 21:12:19,725 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; incl %0": "+m" (v->counter)); [6548] [2023-11-23 21:12:19,726 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; decl %0": "+m" (v->counter)); [6555] [2023-11-23 21:12:19,734 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [6659] [2023-11-23 21:12:19,734 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [6666] [2023-11-23 21:12:19,758 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)); [6858-6859] [2023-11-23 21:12:19,761 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)); [6887-6888] [2023-11-23 21:12:19,765 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)); [6917-6918] [2023-11-23 21:12:19,767 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)); [6947-6948] [2023-11-23 21:12:19,785 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%0": "+m" (*(dev->pcpu_refcnt))); [7178] [2023-11-23 21:12:19,786 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%0": "+m" (*(dev->pcpu_refcnt))); [7181] [2023-11-23 21:12:19,786 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%0": "+m" (*(dev->pcpu_refcnt)): "qi" (-1)); [7183] [2023-11-23 21:12:19,793 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%0": "+m" (*(dev->pcpu_refcnt))); [7188] [2023-11-23 21:12:19,793 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%0": "+m" (*(dev->pcpu_refcnt))); [7191] [2023-11-23 21:12:19,794 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%0": "+m" (*(dev->pcpu_refcnt)): "ri" (-1)); [7193] [2023-11-23 21:12:19,796 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%0": "+m" (*(dev->pcpu_refcnt))); [7198] [2023-11-23 21:12:19,796 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%0": "+m" (*(dev->pcpu_refcnt))); [7201] [2023-11-23 21:12:19,797 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%0": "+m" (*(dev->pcpu_refcnt)): "ri" (-1)); [7203] [2023-11-23 21:12:19,798 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%0": "+m" (*(dev->pcpu_refcnt))); [7208] [2023-11-23 21:12:19,798 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%0": "+m" (*(dev->pcpu_refcnt))); [7211] [2023-11-23 21:12:19,799 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%0": "+m" (*(dev->pcpu_refcnt)): "re" (-1)); [7213] [2023-11-23 21:12:19,800 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%0": "+m" (*(dev->pcpu_refcnt))); [7226] [2023-11-23 21:12:19,800 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%0": "+m" (*(dev->pcpu_refcnt))); [7229] [2023-11-23 21:12:19,800 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%0": "+m" (*(dev->pcpu_refcnt)): "qi" (-1)); [7231] [2023-11-23 21:12:19,801 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%0": "+m" (*(dev->pcpu_refcnt))); [7236] [2023-11-23 21:12:19,801 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%0": "+m" (*(dev->pcpu_refcnt))); [7239] [2023-11-23 21:12:19,802 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%0": "+m" (*(dev->pcpu_refcnt)): "ri" (-1)); [7241] [2023-11-23 21:12:19,802 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%0": "+m" (*(dev->pcpu_refcnt))); [7246] [2023-11-23 21:12:19,856 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%0": "+m" (*(dev->pcpu_refcnt))); [7249] [2023-11-23 21:12:19,856 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%0": "+m" (*(dev->pcpu_refcnt)): "ri" (-1)); [7251] [2023-11-23 21:12:19,857 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%0": "+m" (*(dev->pcpu_refcnt))); [7256] [2023-11-23 21:12:19,857 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%0": "+m" (*(dev->pcpu_refcnt))); [7259] [2023-11-23 21:12:19,858 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%0": "+m" (*(dev->pcpu_refcnt)): "re" (-1)); [7261] [2023-11-23 21:12:19,858 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%0": "+m" (*(dev->pcpu_refcnt))); [7274] [2023-11-23 21:12:19,859 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%0": "+m" (*(dev->pcpu_refcnt))); [7277] [2023-11-23 21:12:19,859 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%0": "+m" (*(dev->pcpu_refcnt)): "qi" (-1)); [7279] [2023-11-23 21:12:19,859 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%0": "+m" (*(dev->pcpu_refcnt))); [7284] [2023-11-23 21:12:19,860 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%0": "+m" (*(dev->pcpu_refcnt))); [7287] [2023-11-23 21:12:19,860 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%0": "+m" (*(dev->pcpu_refcnt)): "ri" (-1)); [7289] [2023-11-23 21:12:19,860 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%0": "+m" (*(dev->pcpu_refcnt))); [7294] [2023-11-23 21:12:19,861 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%0": "+m" (*(dev->pcpu_refcnt))); [7297] [2023-11-23 21:12:19,861 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%0": "+m" (*(dev->pcpu_refcnt)): "ri" (-1)); [7299] [2023-11-23 21:12:19,861 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%0": "+m" (*(dev->pcpu_refcnt))); [7304] [2023-11-23 21:12:19,862 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%0": "+m" (*(dev->pcpu_refcnt))); [7307] [2023-11-23 21:12:19,862 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%0": "+m" (*(dev->pcpu_refcnt)): "re" (-1)); [7309] [2023-11-23 21:12:19,863 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%0": "+m" (*(dev->pcpu_refcnt))); [7322] [2023-11-23 21:12:19,863 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%0": "+m" (*(dev->pcpu_refcnt))); [7325] [2023-11-23 21:12:19,863 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%0": "+m" (*(dev->pcpu_refcnt)): "qi" (-1)); [7327] [2023-11-23 21:12:19,864 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%0": "+m" (*(dev->pcpu_refcnt))); [7332] [2023-11-23 21:12:19,864 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%0": "+m" (*(dev->pcpu_refcnt))); [7335] [2023-11-23 21:12:19,864 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%0": "+m" (*(dev->pcpu_refcnt)): "ri" (-1)); [7337] [2023-11-23 21:12:19,864 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%0": "+m" (*(dev->pcpu_refcnt))); [7342] [2023-11-23 21:12:19,865 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%0": "+m" (*(dev->pcpu_refcnt))); [7345] [2023-11-23 21:12:19,865 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%0": "+m" (*(dev->pcpu_refcnt)): "ri" (-1)); [7347] [2023-11-23 21:12:19,865 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%0": "+m" (*(dev->pcpu_refcnt))); [7352] [2023-11-23 21:12:19,866 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%0": "+m" (*(dev->pcpu_refcnt))); [7355] [2023-11-23 21:12:19,866 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%0": "+m" (*(dev->pcpu_refcnt)): "re" (-1)); [7357] [2023-11-23 21:12:20,283 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd4bd31-319c-4f55-a805-6ee00bf4dd0d/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--atm--idt77252.ko-entry_point.cil.out.i[367978,367991] [2023-11-23 21:12:20,287 WARN L635 FunctionHandler]: implicit declaration of function ldv_xmalloc [2023-11-23 21:12:20,291 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:12:20,448 WARN L675 CHandler]: The function ldv_xmalloc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:12:20,448 WARN L675 CHandler]: The function __bad_size_call_parameter is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:12:20,449 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:12:20,449 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:12:20,458 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:12:20,459 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:20 WrapperNode [2023-11-23 21:12:20,459 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:12:20,462 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:12:20,462 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:12:20,463 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:12:20,473 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:20" (1/1) ... [2023-11-23 21:12:20,663 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:20" (1/1) ... [2023-11-23 21:12:20,995 INFO L138 Inliner]: procedures = 307, calls = 3394, calls flagged for inlining = 138, calls inlined = 132, statements flattened = 8658 [2023-11-23 21:12:20,996 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:12:20,997 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:12:20,997 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:12:20,997 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:12:21,010 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:20" (1/1) ... [2023-11-23 21:12:21,010 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:20" (1/1) ... [2023-11-23 21:12:21,070 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:20" (1/1) ... [2023-11-23 21:12:21,070 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:20" (1/1) ... [2023-11-23 21:12:21,294 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:20" (1/1) ... [2023-11-23 21:12:21,482 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:20" (1/1) ... [2023-11-23 21:12:21,530 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:20" (1/1) ... [2023-11-23 21:12:21,570 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:20" (1/1) ... [2023-11-23 21:12:21,631 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:12:21,633 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:12:21,634 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:12:21,634 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:12:21,635 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:20" (1/1) ... [2023-11-23 21:12:21,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:12:21,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd4bd31-319c-4f55-a805-6ee00bf4dd0d/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:12:21,673 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd4bd31-319c-4f55-a805-6ee00bf4dd0d/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:12:21,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd4bd31-319c-4f55-a805-6ee00bf4dd0d/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:12:21,736 INFO L130 BoogieDeclarations]: Found specification of procedure atm_charge [2023-11-23 21:12:21,737 INFO L138 BoogieDeclarations]: Found implementation of procedure atm_charge [2023-11-23 21:12:21,737 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2023-11-23 21:12:21,737 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2023-11-23 21:12:21,737 INFO L130 BoogieDeclarations]: Found specification of procedure sb_pool_remove [2023-11-23 21:12:21,738 INFO L138 BoogieDeclarations]: Found implementation of procedure sb_pool_remove [2023-11-23 21:12:21,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-23 21:12:21,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 21:12:21,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-23 21:12:21,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-23 21:12:21,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-23 21:12:21,739 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-23 21:12:21,740 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2023-11-23 21:12:21,740 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2023-11-23 21:12:21,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-23 21:12:21,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-23 21:12:21,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 21:12:21,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 21:12:21,741 INFO L130 BoogieDeclarations]: Found specification of procedure recycle_rx_pool_skb [2023-11-23 21:12:21,742 INFO L138 BoogieDeclarations]: Found implementation of procedure recycle_rx_pool_skb [2023-11-23 21:12:21,742 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2023-11-23 21:12:21,743 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2023-11-23 21:12:21,743 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2023-11-23 21:12:21,743 INFO L130 BoogieDeclarations]: Found specification of procedure sb_pool_skb [2023-11-23 21:12:21,743 INFO L138 BoogieDeclarations]: Found implementation of procedure sb_pool_skb [2023-11-23 21:12:21,743 INFO L130 BoogieDeclarations]: Found specification of procedure idt77252_softint [2023-11-23 21:12:21,744 INFO L138 BoogieDeclarations]: Found implementation of procedure idt77252_softint [2023-11-23 21:12:21,744 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-23 21:12:21,744 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-23 21:12:21,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-23 21:12:21,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-23 21:12:21,745 INFO L130 BoogieDeclarations]: Found specification of procedure __net_timestamp [2023-11-23 21:12:21,745 INFO L138 BoogieDeclarations]: Found implementation of procedure __net_timestamp [2023-11-23 21:12:21,745 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2023-11-23 21:12:21,745 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2023-11-23 21:12:21,745 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-23 21:12:21,745 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-23 21:12:21,746 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-23 21:12:21,746 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-23 21:12:21,746 INFO L130 BoogieDeclarations]: Found specification of procedure atm_pcr_goal [2023-11-23 21:12:21,746 INFO L138 BoogieDeclarations]: Found implementation of procedure atm_pcr_goal [2023-11-23 21:12:21,748 INFO L130 BoogieDeclarations]: Found specification of procedure idt77252_rx [2023-11-23 21:12:21,748 INFO L138 BoogieDeclarations]: Found implementation of procedure idt77252_rx [2023-11-23 21:12:21,749 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-23 21:12:21,749 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-23 21:12:21,749 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 21:12:21,750 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 21:12:21,750 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head [2023-11-23 21:12:21,750 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head [2023-11-23 21:12:21,750 INFO L130 BoogieDeclarations]: Found specification of procedure idt77252_send_oam [2023-11-23 21:12:21,750 INFO L138 BoogieDeclarations]: Found implementation of procedure idt77252_send_oam [2023-11-23 21:12:21,751 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:12:21,752 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:12:21,752 INFO L130 BoogieDeclarations]: Found specification of procedure push_on_scq [2023-11-23 21:12:21,752 INFO L138 BoogieDeclarations]: Found implementation of procedure push_on_scq [2023-11-23 21:12:21,752 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2023-11-23 21:12:21,753 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2023-11-23 21:12:21,753 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-23 21:12:21,753 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-23 21:12:21,754 INFO L130 BoogieDeclarations]: Found specification of procedure idt77252_dev_close [2023-11-23 21:12:21,754 INFO L138 BoogieDeclarations]: Found implementation of procedure idt77252_dev_close [2023-11-23 21:12:21,754 INFO L130 BoogieDeclarations]: Found specification of procedure read_sram [2023-11-23 21:12:21,754 INFO L138 BoogieDeclarations]: Found implementation of procedure read_sram [2023-11-23 21:12:21,754 INFO L130 BoogieDeclarations]: Found specification of procedure idt77252_send [2023-11-23 21:12:21,755 INFO L138 BoogieDeclarations]: Found implementation of procedure idt77252_send [2023-11-23 21:12:21,755 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-23 21:12:21,755 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-23 21:12:21,756 INFO L130 BoogieDeclarations]: Found specification of procedure sk_atm [2023-11-23 21:12:21,756 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_atm [2023-11-23 21:12:21,757 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2023-11-23 21:12:21,758 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2023-11-23 21:12:21,758 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2023-11-23 21:12:21,758 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2023-11-23 21:12:21,758 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-23 21:12:21,758 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-23 21:12:21,758 INFO L130 BoogieDeclarations]: Found specification of procedure idt77252_close [2023-11-23 21:12:21,759 INFO L138 BoogieDeclarations]: Found implementation of procedure idt77252_close [2023-11-23 21:12:21,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:12:21,759 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-23 21:12:21,760 INFO L130 BoogieDeclarations]: Found specification of procedure idt77252_send_skb [2023-11-23 21:12:21,761 INFO L138 BoogieDeclarations]: Found implementation of procedure idt77252_send_skb [2023-11-23 21:12:21,764 INFO L130 BoogieDeclarations]: Found specification of procedure idt77252_init_cbr [2023-11-23 21:12:21,765 INFO L138 BoogieDeclarations]: Found implementation of procedure idt77252_init_cbr [2023-11-23 21:12:21,766 INFO L130 BoogieDeclarations]: Found specification of procedure recycle_rx_skb [2023-11-23 21:12:21,766 INFO L138 BoogieDeclarations]: Found implementation of procedure recycle_rx_skb [2023-11-23 21:12:21,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:12:21,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-23 21:12:21,768 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-11-23 21:12:21,769 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-11-23 21:12:21,769 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-23 21:12:21,774 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-23 21:12:21,775 INFO L130 BoogieDeclarations]: Found specification of procedure idt77252_init_rx [2023-11-23 21:12:21,775 INFO L138 BoogieDeclarations]: Found implementation of procedure idt77252_init_rx [2023-11-23 21:12:21,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-11-23 21:12:21,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-11-23 21:12:21,776 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2023-11-23 21:12:21,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2023-11-23 21:12:21,776 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-23 21:12:21,776 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-23 21:12:21,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:12:21,776 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-23 21:12:21,777 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-23 21:12:21,777 INFO L130 BoogieDeclarations]: Found specification of procedure push_rx_skb [2023-11-23 21:12:21,777 INFO L138 BoogieDeclarations]: Found implementation of procedure push_rx_skb [2023-11-23 21:12:21,777 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add [2023-11-23 21:12:21,777 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add [2023-11-23 21:12:21,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 21:12:21,777 INFO L130 BoogieDeclarations]: Found specification of procedure idt77252_rate_logindex [2023-11-23 21:12:21,778 INFO L138 BoogieDeclarations]: Found implementation of procedure idt77252_rate_logindex [2023-11-23 21:12:21,778 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-23 21:12:21,778 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-23 21:12:21,778 INFO L130 BoogieDeclarations]: Found specification of procedure idt77252_change_qos [2023-11-23 21:12:21,778 INFO L138 BoogieDeclarations]: Found implementation of procedure idt77252_change_qos [2023-11-23 21:12:21,778 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2023-11-23 21:12:21,778 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2023-11-23 21:12:21,779 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-23 21:12:21,779 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-23 21:12:21,779 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2023-11-23 21:12:21,779 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2023-11-23 21:12:21,779 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-23 21:12:21,779 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-23 21:12:21,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-23 21:12:21,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-23 21:12:21,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-23 21:12:21,780 INFO L130 BoogieDeclarations]: Found specification of procedure drain_scq [2023-11-23 21:12:21,780 INFO L138 BoogieDeclarations]: Found implementation of procedure drain_scq [2023-11-23 21:12:21,780 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_scq [2023-11-23 21:12:21,780 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_scq [2023-11-23 21:12:21,781 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-23 21:12:21,781 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-23 21:12:21,781 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-23 21:12:21,781 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-23 21:12:21,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 21:12:21,781 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_4 [2023-11-23 21:12:21,782 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_4 [2023-11-23 21:12:21,782 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_cpu [2023-11-23 21:12:21,782 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_cpu [2023-11-23 21:12:21,782 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-11-23 21:12:21,782 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-11-23 21:12:21,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:12:21,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2023-11-23 21:12:21,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2023-11-23 21:12:21,783 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-23 21:12:21,783 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-23 21:12:21,783 INFO L130 BoogieDeclarations]: Found specification of procedure waitfor_idle [2023-11-23 21:12:21,784 INFO L138 BoogieDeclarations]: Found implementation of procedure waitfor_idle [2023-11-23 21:12:21,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-23 21:12:21,784 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-23 21:12:21,784 INFO L130 BoogieDeclarations]: Found specification of procedure idt77252_init_ubr [2023-11-23 21:12:21,784 INFO L138 BoogieDeclarations]: Found implementation of procedure idt77252_init_ubr [2023-11-23 21:12:21,784 INFO L130 BoogieDeclarations]: Found specification of procedure idt77252_open [2023-11-23 21:12:21,785 INFO L138 BoogieDeclarations]: Found implementation of procedure idt77252_open [2023-11-23 21:12:21,785 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-23 21:12:21,785 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-23 21:12:21,785 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2023-11-23 21:12:21,785 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2023-11-23 21:12:21,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-23 21:12:21,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-23 21:12:21,786 INFO L130 BoogieDeclarations]: Found specification of procedure write_sram [2023-11-23 21:12:21,786 INFO L138 BoogieDeclarations]: Found implementation of procedure write_sram [2023-11-23 21:12:21,786 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-23 21:12:21,786 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-23 21:12:21,787 INFO L130 BoogieDeclarations]: Found specification of procedure idt77252_phy_put [2023-11-23 21:12:21,787 INFO L138 BoogieDeclarations]: Found implementation of procedure idt77252_phy_put [2023-11-23 21:12:21,787 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2023-11-23 21:12:21,787 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2023-11-23 21:12:21,787 INFO L130 BoogieDeclarations]: Found specification of procedure idt77252_tx_dump [2023-11-23 21:12:21,787 INFO L138 BoogieDeclarations]: Found implementation of procedure idt77252_tx_dump [2023-11-23 21:12:21,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:12:21,788 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-23 21:12:21,788 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-23 21:12:21,788 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2023-11-23 21:12:21,788 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2023-11-23 21:12:21,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 21:12:21,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 21:12:21,789 INFO L130 BoogieDeclarations]: Found specification of procedure __clear_tst [2023-11-23 21:12:21,789 INFO L138 BoogieDeclarations]: Found implementation of procedure __clear_tst [2023-11-23 21:12:21,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-23 21:12:21,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-23 21:12:21,790 INFO L130 BoogieDeclarations]: Found specification of procedure idt77252_init_tx [2023-11-23 21:12:21,790 INFO L138 BoogieDeclarations]: Found implementation of procedure idt77252_init_tx [2023-11-23 21:12:21,790 INFO L130 BoogieDeclarations]: Found specification of procedure timer_pending [2023-11-23 21:12:21,790 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_pending [2023-11-23 21:12:21,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:12:21,790 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_4 [2023-11-23 21:12:21,791 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_4 [2023-11-23 21:12:21,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-23 21:12:21,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-23 21:12:21,791 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2023-11-23 21:12:21,791 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2023-11-23 21:12:21,791 INFO L130 BoogieDeclarations]: Found specification of procedure idt77252_phy_get [2023-11-23 21:12:21,792 INFO L138 BoogieDeclarations]: Found implementation of procedure idt77252_phy_get [2023-11-23 21:12:21,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:12:21,792 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-11-23 21:12:21,792 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-11-23 21:12:21,792 INFO L130 BoogieDeclarations]: Found specification of procedure fill_tst [2023-11-23 21:12:21,792 INFO L138 BoogieDeclarations]: Found implementation of procedure fill_tst [2023-11-23 21:12:21,793 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-23 21:12:21,793 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-23 21:12:21,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:12:21,793 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-23 21:12:21,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2023-11-23 21:12:21,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2023-11-23 21:12:21,794 INFO L130 BoogieDeclarations]: Found specification of procedure deinit_card [2023-11-23 21:12:21,794 INFO L138 BoogieDeclarations]: Found implementation of procedure deinit_card [2023-11-23 21:12:21,794 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_4 [2023-11-23 21:12:21,794 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_4 [2023-11-23 21:12:21,794 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-23 21:12:21,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-23 21:12:21,795 INFO L130 BoogieDeclarations]: Found specification of procedure free_scq [2023-11-23 21:12:21,795 INFO L138 BoogieDeclarations]: Found implementation of procedure free_scq [2023-11-23 21:12:21,795 INFO L130 BoogieDeclarations]: Found specification of procedure idt77252_tx [2023-11-23 21:12:21,795 INFO L138 BoogieDeclarations]: Found implementation of procedure idt77252_tx [2023-11-23 21:12:21,795 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2023-11-23 21:12:21,796 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2023-11-23 21:12:21,796 INFO L130 BoogieDeclarations]: Found specification of procedure add_rx_skb [2023-11-23 21:12:21,796 INFO L138 BoogieDeclarations]: Found implementation of procedure add_rx_skb [2023-11-23 21:12:21,796 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-23 21:12:21,796 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-23 21:12:21,796 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2023-11-23 21:12:21,797 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2023-11-23 21:12:21,797 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-23 21:12:21,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-23 21:12:21,797 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2023-11-23 21:12:21,797 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2023-11-23 21:12:21,798 INFO L130 BoogieDeclarations]: Found specification of procedure fill_scd [2023-11-23 21:12:21,798 INFO L138 BoogieDeclarations]: Found implementation of procedure fill_scd [2023-11-23 21:12:21,798 INFO L130 BoogieDeclarations]: Found specification of procedure __fill_tst [2023-11-23 21:12:21,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __fill_tst [2023-11-23 21:12:21,798 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-23 21:12:21,798 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-23 21:12:21,799 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2023-11-23 21:12:21,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2023-11-23 21:12:21,799 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-23 21:12:21,799 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-23 21:12:21,799 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-23 21:12:21,799 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-23 21:12:21,800 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-23 21:12:21,800 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-23 21:12:21,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:12:21,800 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-11-23 21:12:21,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-11-23 21:12:21,800 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2023-11-23 21:12:21,801 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2023-11-23 21:12:21,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:12:21,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:12:21,801 INFO L130 BoogieDeclarations]: Found specification of procedure flush_rx_pool [2023-11-23 21:12:21,801 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_rx_pool [2023-11-23 21:12:22,844 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:12:22,851 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:12:23,211 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-23 21:12:33,333 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:12:40,167 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:12:40,167 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:12:40,172 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:12:40 BoogieIcfgContainer [2023-11-23 21:12:40,173 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:12:40,177 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:12:40,177 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:12:40,181 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:12:40,181 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:12:16" (1/3) ... [2023-11-23 21:12:40,182 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@773851ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:12:40, skipping insertion in model container [2023-11-23 21:12:40,182 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:20" (2/3) ... [2023-11-23 21:12:40,183 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@773851ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:12:40, skipping insertion in model container [2023-11-23 21:12:40,184 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:12:40" (3/3) ... [2023-11-23 21:12:40,185 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--atm--idt77252.ko-entry_point.cil.out.i [2023-11-23 21:12:40,210 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:12:40,210 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:12:40,356 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:12:40,369 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;@4342ebc0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:12:40,370 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:12:40,391 INFO L276 IsEmpty]: Start isEmpty. Operand has 2365 states, 1455 states have (on average 1.3168384879725086) internal successors, (1916), 1507 states have internal predecessors, (1916), 796 states have call successors, (796), 114 states have call predecessors, (796), 113 states have return successors, (789), 774 states have call predecessors, (789), 789 states have call successors, (789) [2023-11-23 21:12:40,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-11-23 21:12:40,442 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:12:40,444 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:12:40,445 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:12:40,454 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:12:40,455 INFO L85 PathProgramCache]: Analyzing trace with hash -1583262127, now seen corresponding path program 1 times [2023-11-23 21:12:40,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:12:40,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288425831] [2023-11-23 21:12:40,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:12:40,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:12:41,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:12:41,847 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-23 21:12:41,848 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:12:41,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288425831] [2023-11-23 21:12:41,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288425831] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:12:41,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:12:41,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:12:41,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009814970] [2023-11-23 21:12:41,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:12:41,858 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:12:41,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:12:41,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:12:41,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:12:41,902 INFO L87 Difference]: Start difference. First operand has 2365 states, 1455 states have (on average 1.3168384879725086) internal successors, (1916), 1507 states have internal predecessors, (1916), 796 states have call successors, (796), 114 states have call predecessors, (796), 113 states have return successors, (789), 774 states have call predecessors, (789), 789 states have call successors, (789) Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-23 21:12:43,103 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:12:46,184 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:12:48,940 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:12:51,355 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:12:53,363 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:12:54,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:12:54,319 INFO L93 Difference]: Finished difference Result 6772 states and 10107 transitions. [2023-11-23 21:12:54,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:12:54,322 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 139 [2023-11-23 21:12:54,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:12:54,386 INFO L225 Difference]: With dead ends: 6772 [2023-11-23 21:12:54,387 INFO L226 Difference]: Without dead ends: 4399 [2023-11-23 21:12:54,417 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 [2023-11-23 21:12:54,421 INFO L413 NwaCegarLoop]: 3278 mSDtfsCounter, 3073 mSDsluCounter, 3049 mSDsCounter, 0 mSdLazyCounter, 788 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3073 SdHoareTripleChecker+Valid, 6327 SdHoareTripleChecker+Invalid, 794 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 788 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.8s IncrementalHoareTripleChecker+Time [2023-11-23 21:12:54,423 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3073 Valid, 6327 Invalid, 794 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 788 Invalid, 3 Unknown, 0 Unchecked, 11.8s Time] [2023-11-23 21:12:54,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4399 states. [2023-11-23 21:12:54,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4399 to 4395. [2023-11-23 21:12:54,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4395 states, 2697 states have (on average 1.3014460511679644) internal successors, (3510), 2778 states have internal predecessors, (3510), 1480 states have call successors, (1480), 218 states have call predecessors, (1480), 217 states have return successors, (1478), 1448 states have call predecessors, (1478), 1478 states have call successors, (1478) [2023-11-23 21:12:55,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4395 states to 4395 states and 6468 transitions. [2023-11-23 21:12:55,047 INFO L78 Accepts]: Start accepts. Automaton has 4395 states and 6468 transitions. Word has length 139 [2023-11-23 21:12:55,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:12:55,052 INFO L495 AbstractCegarLoop]: Abstraction has 4395 states and 6468 transitions. [2023-11-23 21:12:55,053 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-23 21:12:55,053 INFO L276 IsEmpty]: Start isEmpty. Operand 4395 states and 6468 transitions. [2023-11-23 21:12:55,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-11-23 21:12:55,061 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:12:55,062 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:12:55,062 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:12:55,063 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:12:55,063 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:12:55,063 INFO L85 PathProgramCache]: Analyzing trace with hash 2063388730, now seen corresponding path program 1 times [2023-11-23 21:12:55,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:12:55,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425257291] [2023-11-23 21:12:55,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:12:55,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:12:55,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:12:56,022 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-23 21:12:56,022 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:12:56,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425257291] [2023-11-23 21:12:56,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425257291] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:12:56,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:12:56,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:12:56,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478117272] [2023-11-23 21:12:56,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:12:56,028 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:12:56,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:12:56,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:12:56,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:12:56,030 INFO L87 Difference]: Start difference. First operand 4395 states and 6468 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14)