./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_384b5e52-7720-48a2-880e-f89750f606d8/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_384b5e52-7720-48a2-880e-f89750f606d8/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_384b5e52-7720-48a2-880e-f89750f606d8/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_384b5e52-7720-48a2-880e-f89750f606d8/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_384b5e52-7720-48a2-880e-f89750f606d8/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_384b5e52-7720-48a2-880e-f89750f606d8/bin/utaipan-verify-SwPr7d2a91 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c097d45bf953c22cc618c35d7b4a2d8fd3613a03309b6d0b505b710dc0ccbe6f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:55:17,577 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:55:17,652 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_384b5e52-7720-48a2-880e-f89750f606d8/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-24 23:55:17,658 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:55:17,659 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:55:17,688 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:55:17,689 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:55:17,689 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:55:17,690 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:55:17,691 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:55:17,691 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:55:17,692 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:55:17,693 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:55:17,693 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:55:17,694 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:55:17,694 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:55:17,695 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:55:17,695 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:55:17,696 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:55:17,696 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:55:17,697 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:55:17,697 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:55:17,698 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:55:17,699 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:55:17,699 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:55:17,700 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:55:17,700 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:55:17,700 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:55:17,701 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:55:17,701 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:55:17,702 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:55:17,702 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:55:17,702 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:55:17,703 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:55:17,703 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:55:17,703 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:55:17,703 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:55:17,704 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:55:17,704 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:55:17,704 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:55:17,704 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:55:17,705 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:55:17,705 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:55:17,705 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:55:17,706 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_384b5e52-7720-48a2-880e-f89750f606d8/bin/utaipan-verify-SwPr7d2a91/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_384b5e52-7720-48a2-880e-f89750f606d8/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c097d45bf953c22cc618c35d7b4a2d8fd3613a03309b6d0b505b710dc0ccbe6f [2023-11-24 23:55:18,019 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:55:18,067 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:55:18,070 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:55:18,071 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:55:18,072 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:55:18,073 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_384b5e52-7720-48a2-880e-f89750f606d8/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i [2023-11-24 23:55:21,340 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:55:22,001 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:55:22,002 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_384b5e52-7720-48a2-880e-f89750f606d8/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i [2023-11-24 23:55:22,076 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_384b5e52-7720-48a2-880e-f89750f606d8/bin/utaipan-verify-SwPr7d2a91/data/d3cf828ec/d593a5ea36e84e3e81f9c3a169ef3bd7/FLAGa7da8f7f5 [2023-11-24 23:55:22,100 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_384b5e52-7720-48a2-880e-f89750f606d8/bin/utaipan-verify-SwPr7d2a91/data/d3cf828ec/d593a5ea36e84e3e81f9c3a169ef3bd7 [2023-11-24 23:55:22,108 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:55:22,110 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:55:22,112 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:55:22,112 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:55:22,118 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:55:22,119 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:55:22" (1/1) ... [2023-11-24 23:55:22,120 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@749500e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:22, skipping insertion in model container [2023-11-24 23:55:22,120 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:55:22" (1/1) ... [2023-11-24 23:55:22,292 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:55:25,368 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_384b5e52-7720-48a2-880e-f89750f606d8/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[348277,348290] [2023-11-24 23:55:25,372 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_384b5e52-7720-48a2-880e-f89750f606d8/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[348422,348435] [2023-11-24 23:55:25,402 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:55:25,465 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:55:25,639 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"); [5296] [2023-11-24 23:55:25,641 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)); [5303] [2023-11-24 23:55:25,641 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5310] [2023-11-24 23:55:25,644 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/dfbfd2da522a1f5f4786ee57b863db44/klever-core-work-dir/de2fed6/linux-alloc-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [5365-5366] [2023-11-24 23:55:25,645 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (44UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [5371-5373] [2023-11-24 23:55:25,648 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [5478] [2023-11-24 23:55:25,648 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5486] [2023-11-24 23:55:25,649 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5493] [2023-11-24 23:55:25,655 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)); [5606-5607] [2023-11-24 23:55:25,657 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)); [5640-5641] [2023-11-24 23:55:25,658 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (79), "i" (12UL)); [5681-5682] [2023-11-24 23:55:25,660 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (91), "i" (12UL)); [5710-5711] [2023-11-24 23:55:25,661 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (103), "i" (12UL)); [5747-5748] [2023-11-24 23:55:25,663 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (115), "i" (12UL)); [5784-5785] [2023-11-24 23:55:25,689 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6722] [2023-11-24 23:55:25,714 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7493] [2023-11-24 23:55:25,715 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7503] [2023-11-24 23:55:25,716 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7518] [2023-11-24 23:55:25,789 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8304] [2023-11-24 23:55:25,790 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8337] [2023-11-24 23:55:25,792 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8360] [2023-11-24 23:55:25,801 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8601] [2023-11-24 23:55:25,803 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8631] [2023-11-24 23:55:25,807 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8644] [2023-11-24 23:55:25,966 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_384b5e52-7720-48a2-880e-f89750f606d8/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[348277,348290] [2023-11-24 23:55:25,967 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_384b5e52-7720-48a2-880e-f89750f606d8/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[348422,348435] [2023-11-24 23:55:25,972 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:55:26,204 WARN L675 CHandler]: The function strncmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:55:26,204 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:55:26,210 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:55:26,210 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:26 WrapperNode [2023-11-24 23:55:26,211 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:55:26,212 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:55:26,212 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:55:26,212 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:55:26,219 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:26" (1/1) ... [2023-11-24 23:55:26,362 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:26" (1/1) ... [2023-11-24 23:55:26,609 INFO L138 Inliner]: procedures = 444, calls = 2249, calls flagged for inlining = 215, calls inlined = 200, statements flattened = 6314 [2023-11-24 23:55:26,610 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:55:26,610 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:55:26,611 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:55:26,611 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:55:26,622 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:26" (1/1) ... [2023-11-24 23:55:26,622 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:26" (1/1) ... [2023-11-24 23:55:26,661 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:26" (1/1) ... [2023-11-24 23:55:26,662 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:26" (1/1) ... [2023-11-24 23:55:26,937 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:26" (1/1) ... [2023-11-24 23:55:26,973 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:26" (1/1) ... [2023-11-24 23:55:27,011 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:26" (1/1) ... [2023-11-24 23:55:27,043 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:26" (1/1) ... [2023-11-24 23:55:27,099 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:55:27,100 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:55:27,100 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:55:27,100 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:55:27,101 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:26" (1/1) ... [2023-11-24 23:55:27,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:55:27,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_384b5e52-7720-48a2-880e-f89750f606d8/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:55:27,140 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_384b5e52-7720-48a2-880e-f89750f606d8/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:55:27,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_384b5e52-7720-48a2-880e-f89750f606d8/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:55:27,302 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2023-11-24 23:55:27,302 INFO L130 BoogieDeclarations]: Found specification of procedure BB_GET_BIT2 [2023-11-24 23:55:27,303 INFO L138 BoogieDeclarations]: Found implementation of procedure BB_GET_BIT2 [2023-11-24 23:55:27,303 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2023-11-24 23:55:27,303 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2023-11-24 23:55:27,303 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-24 23:55:27,304 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-24 23:55:27,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-24 23:55:27,304 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-24 23:55:27,304 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_open [2023-11-24 23:55:27,305 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_open [2023-11-24 23:55:27,305 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_poll_stop [2023-11-24 23:55:27,305 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_poll_stop [2023-11-24 23:55:27,305 INFO L130 BoogieDeclarations]: Found specification of procedure is_quattro_p [2023-11-24 23:55:27,305 INFO L138 BoogieDeclarations]: Found implementation of procedure is_quattro_p [2023-11-24 23:55:27,306 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-24 23:55:27,306 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-24 23:55:27,306 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_close [2023-11-24 23:55:27,306 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_close [2023-11-24 23:55:27,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-24 23:55:27,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-24 23:55:27,307 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-24 23:55:27,307 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-24 23:55:27,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_87 [2023-11-24 23:55:27,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_87 [2023-11-24 23:55:27,308 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_set_multicast [2023-11-24 23:55:27,308 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_set_multicast [2023-11-24 23:55:27,308 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-24 23:55:27,309 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-24 23:55:27,309 INFO L130 BoogieDeclarations]: Found specification of procedure BB_PUT_BIT [2023-11-24 23:55:27,309 INFO L138 BoogieDeclarations]: Found implementation of procedure BB_PUT_BIT [2023-11-24 23:55:27,309 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2023-11-24 23:55:27,309 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2023-11-24 23:55:27,310 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_begin_auto_negotiation [2023-11-24 23:55:27,310 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_begin_auto_negotiation [2023-11-24 23:55:27,310 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_get_counters [2023-11-24 23:55:27,310 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_get_counters [2023-11-24 23:55:27,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_happy_lock_of_happy_meal [2023-11-24 23:55:27,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_happy_lock_of_happy_meal [2023-11-24 23:55:27,311 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-24 23:55:27,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-24 23:55:27,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-24 23:55:27,311 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-24 23:55:27,312 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-24 23:55:27,312 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-24 23:55:27,312 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-24 23:55:27,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer [2023-11-24 23:55:27,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer [2023-11-24 23:55:27,313 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-24 23:55:27,313 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-24 23:55:27,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-24 23:55:27,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-24 23:55:27,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:55:27,314 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-24 23:55:27,314 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-24 23:55:27,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_happy_lock_of_happy_meal [2023-11-24 23:55:27,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_happy_lock_of_happy_meal [2023-11-24 23:55:27,315 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-24 23:55:27,315 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-24 23:55:27,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-24 23:55:27,315 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-24 23:55:27,315 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-24 23:55:27,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-24 23:55:27,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-24 23:55:27,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-24 23:55:27,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:55:27,317 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-24 23:55:27,317 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-24 23:55:27,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2023-11-24 23:55:27,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2023-11-24 23:55:27,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-24 23:55:27,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-24 23:55:27,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-24 23:55:27,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-24 23:55:27,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-24 23:55:27,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-24 23:55:27,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-24 23:55:27,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-24 23:55:27,319 INFO L130 BoogieDeclarations]: Found specification of procedure set_happy_link_modes [2023-11-24 23:55:27,319 INFO L138 BoogieDeclarations]: Found implementation of procedure set_happy_link_modes [2023-11-24 23:55:27,319 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_reset [2023-11-24 23:55:27,319 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_reset [2023-11-24 23:55:27,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 23:55:27,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-24 23:55:27,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-24 23:55:27,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-24 23:55:27,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-24 23:55:27,321 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tx_timeout [2023-11-24 23:55:27,321 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tx_timeout [2023-11-24 23:55:27,321 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2023-11-24 23:55:27,321 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2023-11-24 23:55:27,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:55:27,322 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_read [2023-11-24 23:55:27,322 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_read [2023-11-24 23:55:27,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-24 23:55:27,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-24 23:55:27,322 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-24 23:55:27,323 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-24 23:55:27,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 23:55:27,323 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-24 23:55:27,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-24 23:55:27,323 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-24 23:55:27,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-24 23:55:27,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2023-11-24 23:55:27,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2023-11-24 23:55:27,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-11-24 23:55:27,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-11-24 23:55:27,325 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-24 23:55:27,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-24 23:55:27,325 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2023-11-24 23:55:27,325 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2023-11-24 23:55:27,325 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-24 23:55:27,326 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-24 23:55:27,326 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-24 23:55:27,326 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-24 23:55:27,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-24 23:55:27,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-24 23:55:27,327 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-24 23:55:27,327 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-24 23:55:27,327 INFO L130 BoogieDeclarations]: Found specification of procedure is_lucent_phy [2023-11-24 23:55:27,327 INFO L138 BoogieDeclarations]: Found implementation of procedure is_lucent_phy [2023-11-24 23:55:27,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:55:27,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:55:27,328 INFO L130 BoogieDeclarations]: Found specification of procedure hme_read_desc32 [2023-11-24 23:55:27,328 INFO L138 BoogieDeclarations]: Found implementation of procedure hme_read_desc32 [2023-11-24 23:55:27,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-24 23:55:27,328 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-24 23:55:27,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-24 23:55:27,329 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_clean_rings [2023-11-24 23:55:27,329 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_clean_rings [2023-11-24 23:55:27,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-24 23:55:27,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-24 23:55:27,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-24 23:55:27,330 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-11-24 23:55:27,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-11-24 23:55:27,330 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2023-11-24 23:55:27,330 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2023-11-24 23:55:27,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-24 23:55:27,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-24 23:55:27,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_happy_meal_exit_14_2 [2023-11-24 23:55:27,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_happy_meal_exit_14_2 [2023-11-24 23:55:27,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-24 23:55:27,332 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-24 23:55:27,332 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-24 23:55:27,332 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-24 23:55:27,332 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2023-11-24 23:55:27,332 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2023-11-24 23:55:27,333 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2023-11-24 23:55:27,333 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2023-11-24 23:55:27,333 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2023-11-24 23:55:27,333 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2023-11-24 23:55:27,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:55:27,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 23:55:27,334 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-11-24 23:55:27,334 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-11-24 23:55:27,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_86 [2023-11-24 23:55:27,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_86 [2023-11-24 23:55:27,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-24 23:55:27,335 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-24 23:55:27,335 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-24 23:55:27,335 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-24 23:55:27,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-24 23:55:27,336 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_stop [2023-11-24 23:55:27,336 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_stop [2023-11-24 23:55:27,336 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-24 23:55:27,336 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-24 23:55:27,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-24 23:55:27,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-24 23:55:27,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-24 23:55:27,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-24 23:55:27,337 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_pci_remove [2023-11-24 23:55:27,337 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_pci_remove [2023-11-24 23:55:27,337 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_init [2023-11-24 23:55:27,338 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_init [2023-11-24 23:55:27,338 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-11-24 23:55:27,338 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-11-24 23:55:27,338 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-24 23:55:27,339 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-24 23:55:27,339 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_write [2023-11-24 23:55:27,339 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_write [2023-11-24 23:55:27,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:55:27,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-24 23:55:27,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-24 23:55:27,340 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-11-24 23:55:27,340 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-11-24 23:55:27,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-24 23:55:27,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-24 23:55:27,341 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-11-24 23:55:27,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-11-24 23:55:27,341 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2023-11-24 23:55:27,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2023-11-24 23:55:27,341 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-24 23:55:27,342 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-24 23:55:27,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:55:27,342 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2023-11-24 23:55:27,342 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2023-11-24 23:55:27,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-24 23:55:27,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-24 23:55:27,343 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2023-11-24 23:55:27,343 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2023-11-24 23:55:27,343 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_transceiver_check [2023-11-24 23:55:27,343 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_transceiver_check [2023-11-24 23:55:28,321 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:55:28,334 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:55:29,500 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-24 23:55:33,765 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-24 23:55:34,090 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:55:38,390 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:55:38,391 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:55:38,393 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:55:38 BoogieIcfgContainer [2023-11-24 23:55:38,394 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:55:38,396 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:55:38,396 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:55:38,400 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:55:38,400 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:55:22" (1/3) ... [2023-11-24 23:55:38,401 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31508d77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:55:38, skipping insertion in model container [2023-11-24 23:55:38,401 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:26" (2/3) ... [2023-11-24 23:55:38,402 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31508d77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:55:38, skipping insertion in model container [2023-11-24 23:55:38,402 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:55:38" (3/3) ... [2023-11-24 23:55:38,404 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i [2023-11-24 23:55:38,430 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:55:38,430 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:55:38,568 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:55:38,577 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;@63ac7296, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:55:38,578 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:55:38,595 INFO L276 IsEmpty]: Start isEmpty. Operand has 1780 states, 1049 states have (on average 1.2964728312678742) internal successors, (1360), 1081 states have internal predecessors, (1360), 639 states have call successors, (639), 92 states have call predecessors, (639), 91 states have return successors, (633), 622 states have call predecessors, (633), 633 states have call successors, (633) [2023-11-24 23:55:38,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-11-24 23:55:38,667 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:55:38,668 INFO L195 NwaCegarLoop]: trace histogram [9, 8, 8, 8, 8, 8, 8, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:55:38,669 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:55:38,675 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:55:38,675 INFO L85 PathProgramCache]: Analyzing trace with hash 736412569, now seen corresponding path program 1 times [2023-11-24 23:55:38,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:55:38,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779875995] [2023-11-24 23:55:38,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:55:38,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:55:39,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:55:39,970 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2023-11-24 23:55:39,971 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:55:39,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779875995] [2023-11-24 23:55:39,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779875995] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:55:39,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:55:39,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 23:55:39,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160710768] [2023-11-24 23:55:39,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:55:39,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:55:39,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:55:40,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:55:40,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:55:40,067 INFO L87 Difference]: Start difference. First operand has 1780 states, 1049 states have (on average 1.2964728312678742) internal successors, (1360), 1081 states have internal predecessors, (1360), 639 states have call successors, (639), 92 states have call predecessors, (639), 91 states have return successors, (633), 622 states have call predecessors, (633), 633 states have call successors, (633) Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2023-11-24 23:55:43,777 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 [] [2023-11-24 23:55:47,263 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:55:49,855 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:55:50,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:55:50,339 INFO L93 Difference]: Finished difference Result 5068 states and 7537 transitions. [2023-11-24 23:55:50,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 23:55:50,342 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), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 146 [2023-11-24 23:55:50,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:55:50,404 INFO L225 Difference]: With dead ends: 5068 [2023-11-24 23:55:50,404 INFO L226 Difference]: Without dead ends: 3212 [2023-11-24 23:55:50,425 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 [2023-11-24 23:55:50,429 INFO L413 NwaCegarLoop]: 2661 mSDtfsCounter, 2261 mSDsluCounter, 2273 mSDsCounter, 0 mSdLazyCounter, 722 mSolverCounterSat, 6 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2261 SdHoareTripleChecker+Valid, 4934 SdHoareTripleChecker+Invalid, 730 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 722 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2023-11-24 23:55:50,430 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2261 Valid, 4934 Invalid, 730 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6 Valid, 722 Invalid, 2 Unknown, 0 Unchecked, 9.7s Time] [2023-11-24 23:55:50,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3212 states. [2023-11-24 23:55:50,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3212 to 3208. [2023-11-24 23:55:50,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3208 states, 1890 states have (on average 1.2925925925925925) internal successors, (2443), 1953 states have internal predecessors, (2443), 1141 states have call successors, (1141), 177 states have call predecessors, (1141), 176 states have return successors, (1154), 1115 states have call predecessors, (1154), 1141 states have call successors, (1154) [2023-11-24 23:55:50,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3208 states to 3208 states and 4738 transitions. [2023-11-24 23:55:50,891 INFO L78 Accepts]: Start accepts. Automaton has 3208 states and 4738 transitions. Word has length 146 [2023-11-24 23:55:50,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:55:50,893 INFO L495 AbstractCegarLoop]: Abstraction has 3208 states and 4738 transitions. [2023-11-24 23:55:50,894 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), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2023-11-24 23:55:50,894 INFO L276 IsEmpty]: Start isEmpty. Operand 3208 states and 4738 transitions. [2023-11-24 23:55:50,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-11-24 23:55:50,911 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:55:50,912 INFO L195 NwaCegarLoop]: trace histogram [9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:55:50,912 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-24 23:55:50,912 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:55:50,913 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:55:50,913 INFO L85 PathProgramCache]: Analyzing trace with hash 353548140, now seen corresponding path program 1 times [2023-11-24 23:55:50,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:55:50,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049747040] [2023-11-24 23:55:50,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:55:50,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:55:51,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:55:51,550 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2023-11-24 23:55:51,550 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:55:51,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049747040] [2023-11-24 23:55:51,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049747040] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:55:51,556 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:55:51,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 23:55:51,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079097179] [2023-11-24 23:55:51,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:55:51,559 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:55:51,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:55:51,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:55:51,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:55:51,562 INFO L87 Difference]: Start difference. First operand 3208 states and 4738 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-11-24 23:55:55,478 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:55:57,487 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:55:59,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:55:59,218 INFO L93 Difference]: Finished difference Result 8803 states and 12999 transitions. [2023-11-24 23:55:59,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 23:55:59,220 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 137 [2023-11-24 23:55:59,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:55:59,282 INFO L225 Difference]: With dead ends: 8803 [2023-11-24 23:55:59,282 INFO L226 Difference]: Without dead ends: 5612 [2023-11-24 23:55:59,309 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 [2023-11-24 23:55:59,311 INFO L413 NwaCegarLoop]: 2587 mSDtfsCounter, 1910 mSDsluCounter, 2180 mSDsCounter, 0 mSdLazyCounter, 769 mSolverCounterSat, 15 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1910 SdHoareTripleChecker+Valid, 4767 SdHoareTripleChecker+Invalid, 786 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 769 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2023-11-24 23:55:59,311 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1910 Valid, 4767 Invalid, 786 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 769 Invalid, 2 Unknown, 0 Unchecked, 7.2s Time] [2023-11-24 23:55:59,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5612 states. [2023-11-24 23:56:00,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5612 to 5608. [2023-11-24 23:56:00,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5608 states, 3296 states have (on average 1.2851941747572815) internal successors, (4236), 3407 states have internal predecessors, (4236), 2002 states have call successors, (2002), 310 states have call predecessors, (2002), 309 states have return successors, (2015), 1960 states have call predecessors, (2015), 2002 states have call successors, (2015) [2023-11-24 23:56:00,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5608 states to 5608 states and 8253 transitions. [2023-11-24 23:56:00,106 INFO L78 Accepts]: Start accepts. Automaton has 5608 states and 8253 transitions. Word has length 137 [2023-11-24 23:56:00,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:56:00,108 INFO L495 AbstractCegarLoop]: Abstraction has 5608 states and 8253 transitions. [2023-11-24 23:56:00,109 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-11-24 23:56:00,109 INFO L276 IsEmpty]: Start isEmpty. Operand 5608 states and 8253 transitions. [2023-11-24 23:56:00,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2023-11-24 23:56:00,128 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:56:00,129 INFO L195 NwaCegarLoop]: trace histogram [9, 8, 8, 8, 8, 8, 8, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:56:00,129 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-24 23:56:00,129 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:56:00,142 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:56:00,142 INFO L85 PathProgramCache]: Analyzing trace with hash 59337872, now seen corresponding path program 1 times [2023-11-24 23:56:00,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:56:00,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695009766] [2023-11-24 23:56:00,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:56:00,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:56:00,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:56:00,736 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2023-11-24 23:56:00,736 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:56:00,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695009766] [2023-11-24 23:56:00,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695009766] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:56:00,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:56:00,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 23:56:00,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224466886] [2023-11-24 23:56:00,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:56:00,739 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:56:00,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:56:00,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:56:00,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:56:00,741 INFO L87 Difference]: Start difference. First operand 5608 states and 8253 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2023-11-24 23:56:04,677 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 []