./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-32_7a-drivers--firewire--firewire-ohci.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_013a0bec-cbbe-4f79-8fbf-f66b3413f866/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_013a0bec-cbbe-4f79-8fbf-f66b3413f866/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_013a0bec-cbbe-4f79-8fbf-f66b3413f866/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_013a0bec-cbbe-4f79-8fbf-f66b3413f866/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--firewire--firewire-ohci.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_013a0bec-cbbe-4f79-8fbf-f66b3413f866/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_013a0bec-cbbe-4f79-8fbf-f66b3413f866/bin/utaipan-verify-t7M7D8N6sZ --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 566d5f55091b8d9986e40109bb4ed7c757a10d51a53e185fb47e2dfa177e6461 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:47:09,728 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:47:09,816 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_013a0bec-cbbe-4f79-8fbf-f66b3413f866/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-19 04:47:09,821 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:47:09,822 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:47:09,848 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:47:09,849 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:47:09,850 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:47:09,851 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:47:09,851 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:47:09,852 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:47:09,852 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:47:09,853 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:47:09,853 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:47:09,854 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:47:09,854 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:47:09,855 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:47:09,855 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:47:09,856 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:47:09,856 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:47:09,857 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:47:09,857 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:47:09,858 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:47:09,859 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:47:09,859 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:47:09,860 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:47:09,860 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:47:09,860 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:47:09,861 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:47:09,861 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:47:09,862 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:47:09,862 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:47:09,862 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:47:09,863 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:47:09,863 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:47:09,863 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:47:09,864 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:47:09,864 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:47:09,864 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:47:09,864 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:47:09,864 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:47:09,865 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:47:09,865 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_013a0bec-cbbe-4f79-8fbf-f66b3413f866/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_013a0bec-cbbe-4f79-8fbf-f66b3413f866/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 566d5f55091b8d9986e40109bb4ed7c757a10d51a53e185fb47e2dfa177e6461 [2023-11-19 04:47:10,177 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:47:10,207 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:47:10,210 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:47:10,211 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:47:10,212 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:47:10,213 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_013a0bec-cbbe-4f79-8fbf-f66b3413f866/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--firewire--firewire-ohci.ko-entry_point.cil.out.i [2023-11-19 04:47:13,374 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:47:14,137 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:47:14,138 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_013a0bec-cbbe-4f79-8fbf-f66b3413f866/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--firewire--firewire-ohci.ko-entry_point.cil.out.i [2023-11-19 04:47:14,179 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_013a0bec-cbbe-4f79-8fbf-f66b3413f866/bin/utaipan-verify-t7M7D8N6sZ/data/b63704b47/c037cb357d5a4637bd0e086991a4089d/FLAG01e8254f1 [2023-11-19 04:47:14,195 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_013a0bec-cbbe-4f79-8fbf-f66b3413f866/bin/utaipan-verify-t7M7D8N6sZ/data/b63704b47/c037cb357d5a4637bd0e086991a4089d [2023-11-19 04:47:14,203 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:47:14,206 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:47:14,208 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:47:14,208 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:47:14,214 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:47:14,215 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:47:14" (1/1) ... [2023-11-19 04:47:14,216 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38aa1c5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:14, skipping insertion in model container [2023-11-19 04:47:14,216 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:47:14" (1/1) ... [2023-11-19 04:47:14,350 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:47:17,113 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_013a0bec-cbbe-4f79-8fbf-f66b3413f866/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--firewire--firewire-ohci.ko-entry_point.cil.out.i[267295,267308] [2023-11-19 04:47:17,335 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:47:17,377 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:47:17,467 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)); [3612] [2023-11-19 04:47:17,470 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [3619] [2023-11-19 04:47:17,471 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"); [3628-3629] [2023-11-19 04:47:17,473 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bsfl %1,%0": "=r" (r): "rm" (x), "0" (-1)); [3651] [2023-11-19 04:47:17,473 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("661:\n\tcall __sw_hweight32\n662:\n.skip -(((6651f-6641f)-(662b-661b)) > 0) * ((6651f-6641f)-(662b-661b)),0x90\n663:\n.pushsection .altinstructions,\"a\"\n .long 661b - .\n .long 6641f - .\n .word ( 4*32+23)\n .byte 663b-661b\n .byte 6651f-6641f\n .byte 663b-662b\n.popsection\n.pushsection .altinstr_replacement, \"ax\"\n6641:\n\t.byte 0xf3,0x40,0x0f,0xb8,0xc7\n6651:\n\t.popsection": "=a" (res): "D" (w)); [3660] [2023-11-19 04:47:17,474 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [3667] [2023-11-19 04:47:17,476 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)); [3718] [2023-11-19 04:47:17,477 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)); [3725] [2023-11-19 04:47:17,486 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [3931] [2023-11-19 04:47:17,487 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [3938] [2023-11-19 04:47:17,500 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)); [4100-4101] [2023-11-19 04:47:17,504 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)); [4129-4130] [2023-11-19 04:47:17,506 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" (84), "i" (12UL)); [4163-4164] [2023-11-19 04:47:17,507 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" (96), "i" (12UL)); [4187-4188] [2023-11-19 04:47:17,509 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)); [4217-4218] [2023-11-19 04:47:17,511 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)); [4247-4248] [2023-11-19 04:47:17,513 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" (134), "i" (12UL)); [4278-4279] [2023-11-19 04:47:17,515 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" (148), "i" (12UL)); [4309-4310] [2023-11-19 04:47:17,520 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [4374] [2023-11-19 04:47:17,522 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [4401] [2023-11-19 04:47:17,523 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [4410] [2023-11-19 04:47:17,523 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [4417] [2023-11-19 04:47:17,598 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [4884] [2023-11-19 04:47:17,617 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [4965] [2023-11-19 04:47:17,619 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [4971] [2023-11-19 04:47:17,620 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [4992] [2023-11-19 04:47:17,744 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [5512] [2023-11-19 04:47:17,818 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [6229] [2023-11-19 04:47:17,819 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [6271] [2023-11-19 04:47:17,872 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7231] [2023-11-19 04:47:17,917 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7892] [2023-11-19 04:47:17,960 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_013a0bec-cbbe-4f79-8fbf-f66b3413f866/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--firewire--firewire-ohci.ko-entry_point.cil.out.i[267295,267308] [2023-11-19 04:47:17,988 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:47:18,166 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:47:18,175 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:47:18,176 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:18 WrapperNode [2023-11-19 04:47:18,176 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:47:18,177 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:47:18,178 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:47:18,178 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:47:18,186 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:18" (1/1) ... [2023-11-19 04:47:18,302 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:18" (1/1) ... [2023-11-19 04:47:18,537 INFO L138 Inliner]: procedures = 373, calls = 2627, calls flagged for inlining = 158, calls inlined = 145, statements flattened = 7352 [2023-11-19 04:47:18,545 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:47:18,546 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:47:18,546 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:47:18,546 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:47:18,556 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:18" (1/1) ... [2023-11-19 04:47:18,557 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:18" (1/1) ... [2023-11-19 04:47:18,606 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:18" (1/1) ... [2023-11-19 04:47:18,607 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:18" (1/1) ... [2023-11-19 04:47:18,836 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:18" (1/1) ... [2023-11-19 04:47:18,863 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:18" (1/1) ... [2023-11-19 04:47:18,918 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:18" (1/1) ... [2023-11-19 04:47:18,939 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:18" (1/1) ... [2023-11-19 04:47:19,054 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:47:19,055 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:47:19,056 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:47:19,056 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:47:19,057 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:18" (1/1) ... [2023-11-19 04:47:19,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:47:19,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_013a0bec-cbbe-4f79-8fbf-f66b3413f866/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:47:19,090 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_013a0bec-cbbe-4f79-8fbf-f66b3413f866/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:47:19,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_013a0bec-cbbe-4f79-8fbf-f66b3413f866/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:47:19,131 INFO L130 BoogieDeclarations]: Found specification of procedure context_stop [2023-11-19 04:47:19,131 INFO L138 BoogieDeclarations]: Found implementation of procedure context_stop [2023-11-19 04:47:19,131 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2023-11-19 04:47:19,131 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2023-11-19 04:47:19,132 INFO L130 BoogieDeclarations]: Found specification of procedure get_cycle_time [2023-11-19 04:47:19,132 INFO L138 BoogieDeclarations]: Found implementation of procedure get_cycle_time [2023-11-19 04:47:19,132 INFO L130 BoogieDeclarations]: Found specification of procedure pci_resume [2023-11-19 04:47:19,132 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_resume [2023-11-19 04:47:19,132 INFO L130 BoogieDeclarations]: Found specification of procedure ar_next_buffer_index [2023-11-19 04:47:19,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ar_next_buffer_index [2023-11-19 04:47:19,132 INFO L130 BoogieDeclarations]: Found specification of procedure flush_writes [2023-11-19 04:47:19,133 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_writes [2023-11-19 04:47:19,133 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-19 04:47:19,133 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-19 04:47:19,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_3 [2023-11-19 04:47:19,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_3 [2023-11-19 04:47:19,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 04:47:19,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 04:47:19,133 INFO L130 BoogieDeclarations]: Found specification of procedure context_run [2023-11-19 04:47:19,134 INFO L138 BoogieDeclarations]: Found implementation of procedure context_run [2023-11-19 04:47:19,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 04:47:19,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 04:47:19,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 04:47:19,134 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 04:47:19,134 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-11-19 04:47:19,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-11-19 04:47:19,135 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~$Pointer$~TO~VOID [2023-11-19 04:47:19,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~$Pointer$~TO~VOID [2023-11-19 04:47:19,135 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_stop_iso [2023-11-19 04:47:19,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_stop_iso [2023-11-19 04:47:19,135 INFO L130 BoogieDeclarations]: Found specification of procedure reg_read [2023-11-19 04:47:19,135 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_read [2023-11-19 04:47:19,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 04:47:19,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 04:47:19,136 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_region [2023-11-19 04:47:19,136 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_region [2023-11-19 04:47:19,136 INFO L130 BoogieDeclarations]: Found specification of procedure fw_core_handle_response [2023-11-19 04:47:19,136 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_core_handle_response [2023-11-19 04:47:19,136 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2023-11-19 04:47:19,136 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2023-11-19 04:47:19,137 INFO L130 BoogieDeclarations]: Found specification of procedure dump_stack [2023-11-19 04:47:19,137 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_stack [2023-11-19 04:47:19,137 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-19 04:47:19,137 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-19 04:47:19,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_phy_reg_mutex_of_fw_ohci [2023-11-19 04:47:19,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_phy_reg_mutex_of_fw_ohci [2023-11-19 04:47:19,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_phy_reg_mutex_of_fw_ohci [2023-11-19 04:47:19,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_phy_reg_mutex_of_fw_ohci [2023-11-19 04:47:19,138 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-19 04:47:19,138 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-19 04:47:19,138 INFO L130 BoogieDeclarations]: Found specification of procedure read_phy_reg [2023-11-19 04:47:19,138 INFO L138 BoogieDeclarations]: Found implementation of procedure read_phy_reg [2023-11-19 04:47:19,138 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight32 [2023-11-19 04:47:19,138 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight32 [2023-11-19 04:47:19,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 04:47:19,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 04:47:19,139 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2023-11-19 04:47:19,139 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2023-11-19 04:47:19,139 INFO L130 BoogieDeclarations]: Found specification of procedure pmac_ohci_on [2023-11-19 04:47:19,139 INFO L138 BoogieDeclarations]: Found implementation of procedure pmac_ohci_on [2023-11-19 04:47:19,139 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-19 04:47:19,140 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-19 04:47:19,140 INFO L130 BoogieDeclarations]: Found specification of procedure context_append [2023-11-19 04:47:19,140 INFO L138 BoogieDeclarations]: Found implementation of procedure context_append [2023-11-19 04:47:19,140 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 04:47:19,140 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 04:47:19,140 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_range_for_cpu [2023-11-19 04:47:19,140 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_range_for_cpu [2023-11-19 04:47:19,140 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:47:19,141 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:47:19,141 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-11-19 04:47:19,141 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-11-19 04:47:19,141 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2023-11-19 04:47:19,141 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2023-11-19 04:47:19,141 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-19 04:47:19,141 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-19 04:47:19,142 INFO L130 BoogieDeclarations]: Found specification of procedure context_release [2023-11-19 04:47:19,142 INFO L138 BoogieDeclarations]: Found implementation of procedure context_release [2023-11-19 04:47:19,142 INFO L130 BoogieDeclarations]: Found specification of procedure ar_context_release [2023-11-19 04:47:19,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ar_context_release [2023-11-19 04:47:19,142 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2023-11-19 04:47:19,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2023-11-19 04:47:19,142 INFO L130 BoogieDeclarations]: Found specification of procedure ar_context_link_page [2023-11-19 04:47:19,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ar_context_link_page [2023-11-19 04:47:19,143 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2023-11-19 04:47:19,143 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2023-11-19 04:47:19,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:47:19,143 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-19 04:47:19,143 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-19 04:47:19,143 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-19 04:47:19,143 INFO L130 BoogieDeclarations]: Found specification of procedure fw_ohci [2023-11-19 04:47:19,144 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_ohci [2023-11-19 04:47:19,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 04:47:19,144 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-19 04:47:19,144 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-19 04:47:19,144 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_start_iso [2023-11-19 04:47:19,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_start_iso [2023-11-19 04:47:19,144 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_2 [2023-11-19 04:47:19,145 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_2 [2023-11-19 04:47:19,145 INFO L130 BoogieDeclarations]: Found specification of procedure dev_notice [2023-11-19 04:47:19,145 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_notice [2023-11-19 04:47:19,145 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-19 04:47:19,145 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-19 04:47:19,145 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2023-11-19 04:47:19,145 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2023-11-19 04:47:19,146 INFO L130 BoogieDeclarations]: Found specification of procedure cycle_timer_ticks [2023-11-19 04:47:19,146 INFO L138 BoogieDeclarations]: Found implementation of procedure cycle_timer_ticks [2023-11-19 04:47:19,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:47:19,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 04:47:19,146 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2023-11-19 04:47:19,146 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2023-11-19 04:47:19,146 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-19 04:47:19,146 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-19 04:47:19,147 INFO L130 BoogieDeclarations]: Found specification of procedure fw_core_handle_request [2023-11-19 04:47:19,147 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_core_handle_request [2023-11-19 04:47:19,147 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-19 04:47:19,147 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-19 04:47:19,147 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2023-11-19 04:47:19,147 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2023-11-19 04:47:19,147 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2023-11-19 04:47:19,148 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2023-11-19 04:47:19,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2023-11-19 04:47:19,148 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2023-11-19 04:47:19,148 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-19 04:47:19,148 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-19 04:47:19,148 INFO L130 BoogieDeclarations]: Found specification of procedure context_get_descriptors [2023-11-19 04:47:19,148 INFO L138 BoogieDeclarations]: Found implementation of procedure context_get_descriptors [2023-11-19 04:47:19,149 INFO L130 BoogieDeclarations]: Found specification of procedure ar_context_run [2023-11-19 04:47:19,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ar_context_run [2023-11-19 04:47:19,149 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2023-11-19 04:47:19,149 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2023-11-19 04:47:19,149 INFO L130 BoogieDeclarations]: Found specification of procedure __printk_ratelimit [2023-11-19 04:47:19,149 INFO L138 BoogieDeclarations]: Found implementation of procedure __printk_ratelimit [2023-11-19 04:47:19,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 04:47:19,149 INFO L130 BoogieDeclarations]: Found specification of procedure ar_context_init [2023-11-19 04:47:19,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ar_context_init [2023-11-19 04:47:19,150 INFO L130 BoogieDeclarations]: Found specification of procedure update_phy_reg [2023-11-19 04:47:19,150 INFO L138 BoogieDeclarations]: Found implementation of procedure update_phy_reg [2023-11-19 04:47:19,150 INFO L130 BoogieDeclarations]: Found specification of procedure detect_dead_context [2023-11-19 04:47:19,150 INFO L138 BoogieDeclarations]: Found implementation of procedure detect_dead_context [2023-11-19 04:47:19,150 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-19 04:47:19,150 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-19 04:47:19,150 INFO L130 BoogieDeclarations]: Found specification of procedure update_bus_time [2023-11-19 04:47:19,151 INFO L138 BoogieDeclarations]: Found implementation of procedure update_bus_time [2023-11-19 04:47:19,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 04:47:19,151 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_update_phy_reg [2023-11-19 04:47:19,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_update_phy_reg [2023-11-19 04:47:19,151 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_enable [2023-11-19 04:47:19,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_enable [2023-11-19 04:47:19,151 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-11-19 04:47:19,151 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-11-19 04:47:19,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:47:19,152 INFO L130 BoogieDeclarations]: Found specification of procedure set_multichannel_mask [2023-11-19 04:47:19,152 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multichannel_mask [2023-11-19 04:47:19,152 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-19 04:47:19,152 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-19 04:47:19,152 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_disable [2023-11-19 04:47:19,152 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_disable [2023-11-19 04:47:19,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 04:47:19,153 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 04:47:19,153 INFO L130 BoogieDeclarations]: Found specification of procedure software_reset [2023-11-19 04:47:19,153 INFO L138 BoogieDeclarations]: Found implementation of procedure software_reset [2023-11-19 04:47:19,153 INFO L130 BoogieDeclarations]: Found specification of procedure context_init [2023-11-19 04:47:19,153 INFO L138 BoogieDeclarations]: Found implementation of procedure context_init [2023-11-19 04:47:19,153 INFO L130 BoogieDeclarations]: Found specification of procedure flush_iso_completions [2023-11-19 04:47:19,153 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_iso_completions [2023-11-19 04:47:19,154 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2023-11-19 04:47:19,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2023-11-19 04:47:19,154 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 04:47:19,154 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 04:47:19,154 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-19 04:47:19,154 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-19 04:47:19,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:47:19,154 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-19 04:47:19,155 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-19 04:47:19,155 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2023-11-19 04:47:19,155 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2023-11-19 04:47:19,155 INFO L130 BoogieDeclarations]: Found specification of procedure read_paged_phy_reg [2023-11-19 04:47:19,155 INFO L138 BoogieDeclarations]: Found implementation of procedure read_paged_phy_reg [2023-11-19 04:47:19,155 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_range_for_device [2023-11-19 04:47:19,155 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_range_for_device [2023-11-19 04:47:19,156 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-11-19 04:47:19,156 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-11-19 04:47:19,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 04:47:19,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 04:47:19,156 INFO L130 BoogieDeclarations]: Found specification of procedure at_context_flush [2023-11-19 04:47:19,156 INFO L138 BoogieDeclarations]: Found implementation of procedure at_context_flush [2023-11-19 04:47:19,156 INFO L130 BoogieDeclarations]: Found specification of procedure context_add_buffer [2023-11-19 04:47:19,156 INFO L138 BoogieDeclarations]: Found implementation of procedure context_add_buffer [2023-11-19 04:47:19,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-19 04:47:19,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-19 04:47:19,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:47:19,157 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-19 04:47:19,157 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-19 04:47:19,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-19 04:47:19,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-19 04:47:19,157 INFO L130 BoogieDeclarations]: Found specification of procedure fw_fill_response [2023-11-19 04:47:19,158 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_fill_response [2023-11-19 04:47:19,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:47:19,158 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2023-11-19 04:47:19,158 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2023-11-19 04:47:19,158 INFO L130 BoogieDeclarations]: Found specification of procedure ar_buffer_bus [2023-11-19 04:47:19,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ar_buffer_bus [2023-11-19 04:47:19,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 04:47:19,158 INFO L130 BoogieDeclarations]: Found specification of procedure context_tasklet [2023-11-19 04:47:19,159 INFO L138 BoogieDeclarations]: Found implementation of procedure context_tasklet [2023-11-19 04:47:19,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2023-11-19 04:47:19,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2023-11-19 04:47:19,159 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-11-19 04:47:19,159 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-11-19 04:47:19,159 INFO L130 BoogieDeclarations]: Found specification of procedure copy_config_rom [2023-11-19 04:47:19,159 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_config_rom [2023-11-19 04:47:19,159 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2023-11-19 04:47:19,160 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2023-11-19 04:47:19,160 INFO L130 BoogieDeclarations]: Found specification of procedure pci_remove [2023-11-19 04:47:19,160 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_remove [2023-11-19 04:47:19,160 INFO L130 BoogieDeclarations]: Found specification of procedure reg_write [2023-11-19 04:47:19,160 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_write [2023-11-19 04:47:19,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_3 [2023-11-19 04:47:19,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_3 [2023-11-19 04:47:19,160 INFO L130 BoogieDeclarations]: Found specification of procedure bus_reset_work [2023-11-19 04:47:19,161 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_reset_work [2023-11-19 04:47:19,161 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2023-11-19 04:47:19,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ffs [2023-11-19 04:47:19,161 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-19 04:47:19,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-19 04:47:19,161 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_2 [2023-11-19 04:47:19,161 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_2 [2023-11-19 04:47:19,161 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_read_phy_reg [2023-11-19 04:47:19,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_read_phy_reg [2023-11-19 04:47:19,162 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-11-19 04:47:19,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-11-19 04:47:19,162 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2023-11-19 04:47:19,162 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2023-11-19 04:47:19,162 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2023-11-19 04:47:19,162 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2023-11-19 04:47:19,162 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-19 04:47:19,163 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-19 04:47:19,163 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-19 04:47:19,163 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-19 04:47:19,163 INFO L130 BoogieDeclarations]: Found specification of procedure log_ar_at_event [2023-11-19 04:47:19,163 INFO L138 BoogieDeclarations]: Found implementation of procedure log_ar_at_event [2023-11-19 04:47:19,163 INFO L130 BoogieDeclarations]: Found specification of procedure fw_schedule_bus_reset [2023-11-19 04:47:19,163 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_schedule_bus_reset [2023-11-19 04:47:19,163 INFO L130 BoogieDeclarations]: Found specification of procedure write_phy_reg [2023-11-19 04:47:19,164 INFO L138 BoogieDeclarations]: Found implementation of procedure write_phy_reg [2023-11-19 04:47:19,164 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2023-11-19 04:47:19,164 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2023-11-19 04:47:19,164 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2023-11-19 04:47:19,164 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2023-11-19 04:47:19,164 INFO L130 BoogieDeclarations]: Found specification of procedure find_branch_descriptor [2023-11-19 04:47:19,164 INFO L138 BoogieDeclarations]: Found implementation of procedure find_branch_descriptor [2023-11-19 04:47:19,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:47:19,165 INFO L130 BoogieDeclarations]: Found specification of procedure _p [2023-11-19 04:47:19,165 INFO L138 BoogieDeclarations]: Found implementation of procedure _p [2023-11-19 04:47:19,165 INFO L130 BoogieDeclarations]: Found specification of procedure at_context_transmit [2023-11-19 04:47:19,165 INFO L138 BoogieDeclarations]: Found implementation of procedure at_context_transmit [2023-11-19 04:47:19,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:47:19,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:47:19,165 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_enable [2023-11-19 04:47:19,165 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_enable [2023-11-19 04:47:20,161 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:47:20,168 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:47:21,038 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 04:47:29,928 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:47:35,188 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:47:35,188 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 04:47:35,206 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:47:35 BoogieIcfgContainer [2023-11-19 04:47:35,207 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:47:35,210 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:47:35,210 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:47:35,214 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:47:35,214 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:47:14" (1/3) ... [2023-11-19 04:47:35,215 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d3fa737 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:47:35, skipping insertion in model container [2023-11-19 04:47:35,215 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:18" (2/3) ... [2023-11-19 04:47:35,216 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d3fa737 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:47:35, skipping insertion in model container [2023-11-19 04:47:35,216 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:47:35" (3/3) ... [2023-11-19 04:47:35,218 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--firewire--firewire-ohci.ko-entry_point.cil.out.i [2023-11-19 04:47:35,242 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:47:35,242 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:47:35,466 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:47:35,476 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;@1c9a5792, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:47:35,476 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:47:35,491 INFO L276 IsEmpty]: Start isEmpty. Operand has 1922 states, 1177 states have (on average 1.346644010195412) internal successors, (1585), 1243 states have internal predecessors, (1585), 622 states have call successors, (622), 122 states have call predecessors, (622), 121 states have return successors, (615), 607 states have call predecessors, (615), 615 states have call successors, (615) [2023-11-19 04:47:35,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2023-11-19 04:47:35,518 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:47:35,519 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:47:35,520 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:47:35,526 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:47:35,526 INFO L85 PathProgramCache]: Analyzing trace with hash 1878756858, now seen corresponding path program 1 times [2023-11-19 04:47:35,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:47:35,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6127345] [2023-11-19 04:47:35,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:47:35,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:47:36,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:47:37,027 INFO L134 CoverageAnalysis]: Checked inductivity of 1347 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1347 trivial. 0 not checked. [2023-11-19 04:47:37,028 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:47:37,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6127345] [2023-11-19 04:47:37,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6127345] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:47:37,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:47:37,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:47:37,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315265246] [2023-11-19 04:47:37,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:47:37,049 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:47:37,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:47:37,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:47:37,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:47:37,145 INFO L87 Difference]: Start difference. First operand has 1922 states, 1177 states have (on average 1.346644010195412) internal successors, (1585), 1243 states have internal predecessors, (1585), 622 states have call successors, (622), 122 states have call predecessors, (622), 121 states have return successors, (615), 607 states have call predecessors, (615), 615 states have call successors, (615) Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-11-19 04:47:39,231 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:47:42,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:47:42,749 INFO L93 Difference]: Finished difference Result 5149 states and 7571 transitions. [2023-11-19 04:47:42,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:47:42,752 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 261 [2023-11-19 04:47:42,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:47:42,810 INFO L225 Difference]: With dead ends: 5149 [2023-11-19 04:47:42,810 INFO L226 Difference]: Without dead ends: 3253 [2023-11-19 04:47:42,832 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 [2023-11-19 04:47:42,836 INFO L413 NwaCegarLoop]: 2917 mSDtfsCounter, 2015 mSDsluCounter, 2374 mSDsCounter, 0 mSdLazyCounter, 730 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2015 SdHoareTripleChecker+Valid, 5291 SdHoareTripleChecker+Invalid, 733 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 730 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2023-11-19 04:47:42,838 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2015 Valid, 5291 Invalid, 733 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 730 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2023-11-19 04:47:42,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3253 states. [2023-11-19 04:47:43,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3253 to 3239. [2023-11-19 04:47:43,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3239 states, 1989 states have (on average 1.3308195072900955) internal successors, (2647), 2081 states have internal predecessors, (2647), 1023 states have call successors, (1023), 227 states have call predecessors, (1023), 226 states have return successors, (1017), 1007 states have call predecessors, (1017), 1017 states have call successors, (1017) [2023-11-19 04:47:43,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3239 states to 3239 states and 4687 transitions. [2023-11-19 04:47:43,191 INFO L78 Accepts]: Start accepts. Automaton has 3239 states and 4687 transitions. Word has length 261 [2023-11-19 04:47:43,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:47:43,194 INFO L495 AbstractCegarLoop]: Abstraction has 3239 states and 4687 transitions. [2023-11-19 04:47:43,194 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-11-19 04:47:43,194 INFO L276 IsEmpty]: Start isEmpty. Operand 3239 states and 4687 transitions. [2023-11-19 04:47:43,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2023-11-19 04:47:43,204 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:47:43,204 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:47:43,205 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 04:47:43,205 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:47:43,205 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:47:43,206 INFO L85 PathProgramCache]: Analyzing trace with hash 786393198, now seen corresponding path program 1 times [2023-11-19 04:47:43,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:47:43,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119533007] [2023-11-19 04:47:43,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:47:43,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:47:43,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:47:44,543 INFO L134 CoverageAnalysis]: Checked inductivity of 1347 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1347 trivial. 0 not checked. [2023-11-19 04:47:44,544 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:47:44,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119533007] [2023-11-19 04:47:44,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1119533007] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:47:44,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:47:44,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:47:44,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395663941] [2023-11-19 04:47:44,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:47:44,555 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:47:44,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:47:44,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:47:44,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:47:44,558 INFO L87 Difference]: Start difference. First operand 3239 states and 4687 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-11-19 04:47:46,606 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:47:48,613 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:47:53,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:47:53,890 INFO L93 Difference]: Finished difference Result 9522 states and 13771 transitions. [2023-11-19 04:47:53,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:47:53,891 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 264 [2023-11-19 04:47:53,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:47:53,972 INFO L225 Difference]: With dead ends: 9522 [2023-11-19 04:47:53,972 INFO L226 Difference]: Without dead ends: 6338 [2023-11-19 04:47:54,000 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 [2023-11-19 04:47:54,002 INFO L413 NwaCegarLoop]: 3590 mSDtfsCounter, 2631 mSDsluCounter, 2460 mSDsCounter, 0 mSdLazyCounter, 768 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2631 SdHoareTripleChecker+Valid, 6050 SdHoareTripleChecker+Invalid, 773 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 768 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2023-11-19 04:47:54,003 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2631 Valid, 6050 Invalid, 773 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 768 Invalid, 2 Unknown, 0 Unchecked, 8.9s Time] [2023-11-19 04:47:54,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6338 states. [2023-11-19 04:47:54,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6338 to 6334. [2023-11-19 04:47:54,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6334 states, 3897 states have (on average 1.329997433923531) internal successors, (5183), 4067 states have internal predecessors, (5183), 1989 states have call successors, (1989), 448 states have call predecessors, (1989), 447 states have return successors, (1983), 1964 states have call predecessors, (1983), 1983 states have call successors, (1983) [2023-11-19 04:47:54,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6334 states to 6334 states and 9155 transitions. [2023-11-19 04:47:54,479 INFO L78 Accepts]: Start accepts. Automaton has 6334 states and 9155 transitions. Word has length 264 [2023-11-19 04:47:54,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:47:54,481 INFO L495 AbstractCegarLoop]: Abstraction has 6334 states and 9155 transitions. [2023-11-19 04:47:54,481 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-11-19 04:47:54,482 INFO L276 IsEmpty]: Start isEmpty. Operand 6334 states and 9155 transitions. [2023-11-19 04:47:54,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2023-11-19 04:47:54,492 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:47:54,493 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:47:54,493 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 04:47:54,493 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:47:54,494 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:47:54,495 INFO L85 PathProgramCache]: Analyzing trace with hash -1795767667, now seen corresponding path program 1 times [2023-11-19 04:47:54,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:47:54,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778739384] [2023-11-19 04:47:54,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:47:54,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:47:54,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:47:55,190 INFO L134 CoverageAnalysis]: Checked inductivity of 1347 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1347 trivial. 0 not checked. [2023-11-19 04:47:55,190 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:47:55,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778739384] [2023-11-19 04:47:55,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778739384] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:47:55,192 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:47:55,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:47:55,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21187551] [2023-11-19 04:47:55,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:47:55,193 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:47:55,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:47:55,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:47:55,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:47:55,195 INFO L87 Difference]: Start difference. First operand 6334 states and 9155 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29)