./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_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_782f1fdd-9620-4ffa-b033-2aa16d9b6842/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_782f1fdd-9620-4ffa-b033-2aa16d9b6842/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_782f1fdd-9620-4ffa-b033-2aa16d9b6842/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_782f1fdd-9620-4ffa-b033-2aa16d9b6842/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-sun-sunhme.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_782f1fdd-9620-4ffa-b033-2aa16d9b6842/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_782f1fdd-9620-4ffa-b033-2aa16d9b6842/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 536967bc2d119b5b01611d52124221c0068f635deed7f674213322a832d07143 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:17:34,793 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:17:34,869 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_782f1fdd-9620-4ffa-b033-2aa16d9b6842/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-24 23:17:34,876 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:17:34,877 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:17:34,908 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:17:34,917 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:17:34,917 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:17:34,918 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:17:34,919 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:17:34,920 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:17:34,920 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:17:34,921 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:17:34,922 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:17:34,923 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:17:34,925 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:17:34,926 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:17:34,927 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:17:34,931 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:17:34,931 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:17:34,932 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:17:34,933 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:17:34,934 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:17:34,940 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:17:34,941 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:17:34,941 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:17:34,942 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:17:34,942 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:17:34,943 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:17:34,943 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:17:34,944 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:17:34,944 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:17:34,945 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:17:34,945 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:17:34,946 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:17:34,947 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:17:34,948 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:17:34,948 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:17:34,949 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:17:34,949 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:17:34,950 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:17:34,950 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:17:34,950 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:17:34,951 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:17:34,951 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_782f1fdd-9620-4ffa-b033-2aa16d9b6842/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_782f1fdd-9620-4ffa-b033-2aa16d9b6842/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 536967bc2d119b5b01611d52124221c0068f635deed7f674213322a832d07143 [2023-11-24 23:17:35,295 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:17:35,327 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:17:35,330 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:17:35,332 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:17:35,332 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:17:35,333 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_782f1fdd-9620-4ffa-b033-2aa16d9b6842/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-sun-sunhme.cil.i [2023-11-24 23:17:38,536 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:17:39,256 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:17:39,257 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_782f1fdd-9620-4ffa-b033-2aa16d9b6842/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-sun-sunhme.cil.i [2023-11-24 23:17:39,313 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_782f1fdd-9620-4ffa-b033-2aa16d9b6842/bin/utaipan-verify-SwPr7d2a91/data/850fbe3cb/91c30a6e5e0543cc839645a2ff463eb7/FLAG00ad94e37 [2023-11-24 23:17:39,333 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_782f1fdd-9620-4ffa-b033-2aa16d9b6842/bin/utaipan-verify-SwPr7d2a91/data/850fbe3cb/91c30a6e5e0543cc839645a2ff463eb7 [2023-11-24 23:17:39,342 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:17:39,344 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:17:39,346 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:17:39,346 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:17:39,352 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:17:39,353 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:17:39" (1/1) ... [2023-11-24 23:17:39,355 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@735d8e24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:17:39, skipping insertion in model container [2023-11-24 23:17:39,355 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:17:39" (1/1) ... [2023-11-24 23:17:39,554 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:17:42,481 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_782f1fdd-9620-4ffa-b033-2aa16d9b6842/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-sun-sunhme.cil.i[314317,314330] [2023-11-24 23:17:42,485 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_782f1fdd-9620-4ffa-b033-2aa16d9b6842/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-sun-sunhme.cil.i[314464,314477] [2023-11-24 23:17:42,486 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_782f1fdd-9620-4ffa-b033-2aa16d9b6842/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-sun-sunhme.cil.i[314603,314616] [2023-11-24 23:17:42,487 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_782f1fdd-9620-4ffa-b033-2aa16d9b6842/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-sun-sunhme.cil.i[314761,314774] [2023-11-24 23:17:42,520 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:17:42,558 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:17:42,739 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"); [5301] [2023-11-24 23:17:42,747 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)); [5308] [2023-11-24 23:17:42,747 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5315] [2023-11-24 23:17:42,759 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/a068ef8/linux-usb-dev/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [5370-5371] [2023-11-24 23:17:42,760 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"); [5376-5378] [2023-11-24 23:17:42,762 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [5454] [2023-11-24 23:17:42,766 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5462] [2023-11-24 23:17:42,766 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5469] [2023-11-24 23:17:42,777 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)); [5597-5598] [2023-11-24 23:17:42,780 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)); [5631-5632] [2023-11-24 23:17:42,782 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)); [5672-5673] [2023-11-24 23:17:42,783 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)); [5701-5702] [2023-11-24 23:17:42,785 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)); [5738-5739] [2023-11-24 23:17:42,787 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)); [5775-5776] [2023-11-24 23:17:42,827 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6721] [2023-11-24 23:17:42,870 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7492] [2023-11-24 23:17:42,871 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7502] [2023-11-24 23:17:42,872 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7517] [2023-11-24 23:17:42,968 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8303] [2023-11-24 23:17:42,970 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8336] [2023-11-24 23:17:42,972 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8359] [2023-11-24 23:17:42,991 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8600] [2023-11-24 23:17:42,994 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8630] [2023-11-24 23:17:42,996 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8643] [2023-11-24 23:17:43,136 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_782f1fdd-9620-4ffa-b033-2aa16d9b6842/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-sun-sunhme.cil.i[314317,314330] [2023-11-24 23:17:43,136 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_782f1fdd-9620-4ffa-b033-2aa16d9b6842/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-sun-sunhme.cil.i[314464,314477] [2023-11-24 23:17:43,137 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_782f1fdd-9620-4ffa-b033-2aa16d9b6842/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-sun-sunhme.cil.i[314603,314616] [2023-11-24 23:17:43,138 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_782f1fdd-9620-4ffa-b033-2aa16d9b6842/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-sun-sunhme.cil.i[314761,314774] [2023-11-24 23:17:43,150 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:17:43,353 WARN L675 CHandler]: The function strncmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:17:43,354 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:17:43,362 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:17:43,362 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:17:43 WrapperNode [2023-11-24 23:17:43,363 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:17:43,364 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:17:43,364 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:17:43,364 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:17:43,373 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:17:43" (1/1) ... [2023-11-24 23:17:43,495 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:17:43" (1/1) ... [2023-11-24 23:17:43,774 INFO L138 Inliner]: procedures = 352, calls = 1994, calls flagged for inlining = 207, calls inlined = 201, statements flattened = 6257 [2023-11-24 23:17:43,774 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:17:43,775 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:17:43,775 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:17:43,776 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:17:43,785 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:17:43" (1/1) ... [2023-11-24 23:17:43,789 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:17:43" (1/1) ... [2023-11-24 23:17:43,816 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:17:43" (1/1) ... [2023-11-24 23:17:43,816 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:17:43" (1/1) ... [2023-11-24 23:17:43,964 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:17:43" (1/1) ... [2023-11-24 23:17:43,996 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:17:43" (1/1) ... [2023-11-24 23:17:44,033 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:17:43" (1/1) ... [2023-11-24 23:17:44,060 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:17:43" (1/1) ... [2023-11-24 23:17:44,105 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:17:44,107 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:17:44,108 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:17:44,108 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:17:44,109 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:17:43" (1/1) ... [2023-11-24 23:17:44,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:17:44,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_782f1fdd-9620-4ffa-b033-2aa16d9b6842/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:17:44,139 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_782f1fdd-9620-4ffa-b033-2aa16d9b6842/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:17:44,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_782f1fdd-9620-4ffa-b033-2aa16d9b6842/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:17:44,186 INFO L130 BoogieDeclarations]: Found specification of procedure hme_read_desc32 [2023-11-24 23:17:44,186 INFO L138 BoogieDeclarations]: Found implementation of procedure hme_read_desc32 [2023-11-24 23:17:44,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-24 23:17:44,186 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-24 23:17:44,187 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2023-11-24 23:17:44,187 INFO L130 BoogieDeclarations]: Found specification of procedure BB_GET_BIT2 [2023-11-24 23:17:44,187 INFO L138 BoogieDeclarations]: Found implementation of procedure BB_GET_BIT2 [2023-11-24 23:17:44,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-24 23:17:44,187 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_clean_rings [2023-11-24 23:17:44,187 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_clean_rings [2023-11-24 23:17:44,188 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2023-11-24 23:17:44,188 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2023-11-24 23:17:44,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-24 23:17:44,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-24 23:17:44,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-24 23:17:44,188 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-24 23:17:44,189 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-24 23:17:44,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-24 23:17:44,189 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-24 23:17:44,189 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 23:17:44,189 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 23:17:44,189 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_open [2023-11-24 23:17:44,190 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_open [2023-11-24 23:17:44,190 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_poll_stop [2023-11-24 23:17:44,190 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_poll_stop [2023-11-24 23:17:44,190 INFO L130 BoogieDeclarations]: Found specification of procedure is_quattro_p [2023-11-24 23:17:44,190 INFO L138 BoogieDeclarations]: Found implementation of procedure is_quattro_p [2023-11-24 23:17:44,190 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-24 23:17:44,191 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-24 23:17:44,191 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_close [2023-11-24 23:17:44,191 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_close [2023-11-24 23:17:44,191 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-24 23:17:44,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-24 23:17:44,192 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2023-11-24 23:17:44,192 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2023-11-24 23:17:44,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-24 23:17:44,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-24 23:17:44,192 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-24 23:17:44,192 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-24 23:17:44,193 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_set_multicast [2023-11-24 23:17:44,193 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_set_multicast [2023-11-24 23:17:44,193 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-24 23:17:44,193 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-24 23:17:44,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_happy_meal_exit_14_2 [2023-11-24 23:17:44,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_happy_meal_exit_14_2 [2023-11-24 23:17:44,194 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-24 23:17:44,194 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-24 23:17:44,194 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-24 23:17:44,194 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-24 23:17:44,194 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2023-11-24 23:17:44,194 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2023-11-24 23:17:44,194 INFO L130 BoogieDeclarations]: Found specification of procedure BB_PUT_BIT [2023-11-24 23:17:44,195 INFO L138 BoogieDeclarations]: Found implementation of procedure BB_PUT_BIT [2023-11-24 23:17:44,195 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2023-11-24 23:17:44,195 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2023-11-24 23:17:44,195 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2023-11-24 23:17:44,195 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2023-11-24 23:17:44,195 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_begin_auto_negotiation [2023-11-24 23:17:44,196 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_begin_auto_negotiation [2023-11-24 23:17:44,196 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_get_counters [2023-11-24 23:17:44,196 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_get_counters [2023-11-24 23:17:44,196 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2023-11-24 23:17:44,196 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2023-11-24 23:17:44,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:17:44,197 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-24 23:17:44,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 23:17:44,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-24 23:17:44,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-24 23:17:44,197 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-11-24 23:17:44,197 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-11-24 23:17:44,198 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-24 23:17:44,198 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-24 23:17:44,198 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-24 23:17:44,198 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-24 23:17:44,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer [2023-11-24 23:17:44,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer [2023-11-24 23:17:44,198 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-24 23:17:44,199 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-24 23:17:44,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-24 23:17:44,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-24 23:17:44,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:17:44,199 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-24 23:17:44,199 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-24 23:17:44,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-24 23:17:44,200 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-24 23:17:44,200 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-24 23:17:44,200 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-24 23:17:44,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-24 23:17:44,200 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_stop [2023-11-24 23:17:44,201 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_stop [2023-11-24 23:17:44,201 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-24 23:17:44,201 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-24 23:17:44,201 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-24 23:17:44,201 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-24 23:17:44,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-24 23:17:44,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-24 23:17:44,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-24 23:17:44,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-24 23:17:44,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-24 23:17:44,202 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_pci_remove [2023-11-24 23:17:44,202 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_pci_remove [2023-11-24 23:17:44,202 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-24 23:17:44,203 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-24 23:17:44,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-24 23:17:44,203 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-24 23:17:44,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-24 23:17:44,203 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_init [2023-11-24 23:17:44,203 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_init [2023-11-24 23:17:44,204 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-11-24 23:17:44,204 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-11-24 23:17:44,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:17:44,204 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-24 23:17:44,204 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-24 23:17:44,204 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-24 23:17:44,205 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-24 23:17:44,205 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_write [2023-11-24 23:17:44,205 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_write [2023-11-24 23:17:44,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-24 23:17:44,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-24 23:17:44,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-24 23:17:44,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-24 23:17:44,206 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-24 23:17:44,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-24 23:17:44,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:17:44,206 INFO L130 BoogieDeclarations]: Found specification of procedure set_happy_link_modes [2023-11-24 23:17:44,206 INFO L138 BoogieDeclarations]: Found implementation of procedure set_happy_link_modes [2023-11-24 23:17:44,207 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_reset [2023-11-24 23:17:44,207 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_reset [2023-11-24 23:17:44,207 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-11-24 23:17:44,207 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-11-24 23:17:44,207 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-24 23:17:44,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-24 23:17:44,207 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 23:17:44,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-24 23:17:44,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-24 23:17:44,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-24 23:17:44,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-24 23:17:44,208 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tx_timeout [2023-11-24 23:17:44,208 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tx_timeout [2023-11-24 23:17:44,209 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-11-24 23:17:44,209 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-11-24 23:17:44,209 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2023-11-24 23:17:44,209 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2023-11-24 23:17:44,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:17:44,209 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_read [2023-11-24 23:17:44,210 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_read [2023-11-24 23:17:44,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-24 23:17:44,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-24 23:17:44,210 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-24 23:17:44,210 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-24 23:17:44,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 23:17:44,210 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-24 23:17:44,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-24 23:17:44,211 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-11-24 23:17:44,211 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-11-24 23:17:44,211 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-24 23:17:44,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-24 23:17:44,211 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-24 23:17:44,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-24 23:17:44,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-24 23:17:44,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-24 23:17:44,212 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 23:17:44,212 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 23:17:44,212 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2023-11-24 23:17:44,212 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2023-11-24 23:17:44,213 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-24 23:17:44,213 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-24 23:17:44,213 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2023-11-24 23:17:44,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2023-11-24 23:17:44,213 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-24 23:17:44,213 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-24 23:17:44,213 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-24 23:17:44,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-24 23:17:44,214 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-24 23:17:44,214 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-24 23:17:44,214 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-24 23:17:44,214 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-24 23:17:44,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:17:44,214 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2023-11-24 23:17:44,215 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2023-11-24 23:17:44,215 INFO L130 BoogieDeclarations]: Found specification of procedure is_lucent_phy [2023-11-24 23:17:44,215 INFO L138 BoogieDeclarations]: Found implementation of procedure is_lucent_phy [2023-11-24 23:17:44,215 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-24 23:17:44,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-24 23:17:44,215 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2023-11-24 23:17:44,215 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2023-11-24 23:17:44,216 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:17:44,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:17:44,216 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_transceiver_check [2023-11-24 23:17:44,216 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_transceiver_check [2023-11-24 23:17:45,132 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:17:45,137 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:17:46,060 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-24 23:17:50,093 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-24 23:17:50,381 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:17:54,630 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:17:54,630 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:17:54,632 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:17:54 BoogieIcfgContainer [2023-11-24 23:17:54,633 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:17:54,636 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:17:54,636 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:17:54,640 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:17:54,640 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:17:39" (1/3) ... [2023-11-24 23:17:54,641 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69921974 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:17:54, skipping insertion in model container [2023-11-24 23:17:54,641 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:17:43" (2/3) ... [2023-11-24 23:17:54,642 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69921974 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:17:54, skipping insertion in model container [2023-11-24 23:17:54,642 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:17:54" (3/3) ... [2023-11-24 23:17:54,643 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-sun-sunhme.cil.i [2023-11-24 23:17:54,665 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:17:54,666 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-24 23:17:54,775 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:17:54,784 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;@1049f6dc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:17:54,784 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-24 23:17:54,798 INFO L276 IsEmpty]: Start isEmpty. Operand has 1731 states, 1029 states have (on average 1.3061224489795917) internal successors, (1344), 1062 states have internal predecessors, (1344), 615 states have call successors, (615), 86 states have call predecessors, (615), 85 states have return successors, (609), 598 states have call predecessors, (609), 609 states have call successors, (609) [2023-11-24 23:17:54,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-11-24 23:17:54,834 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:17:54,835 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] [2023-11-24 23:17:54,836 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:17:54,842 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:17:54,843 INFO L85 PathProgramCache]: Analyzing trace with hash 39648068, now seen corresponding path program 1 times [2023-11-24 23:17:54,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:17:54,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637398677] [2023-11-24 23:17:54,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:17:54,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:17:55,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:17:55,835 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 23:17:55,836 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:17:55,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637398677] [2023-11-24 23:17:55,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637398677] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:17:55,842 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:17:55,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 23:17:55,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361395074] [2023-11-24 23:17:55,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:17:55,853 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:17:55,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:17:55,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:17:55,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:17:55,897 INFO L87 Difference]: Start difference. First operand has 1731 states, 1029 states have (on average 1.3061224489795917) internal successors, (1344), 1062 states have internal predecessors, (1344), 615 states have call successors, (615), 86 states have call predecessors, (615), 85 states have return successors, (609), 598 states have call predecessors, (609), 609 states have call successors, (609) Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2023-11-24 23:17:59,078 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:18:01,362 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:18:03,454 WARN L539 Checker$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 23:18:06,931 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 23:18:07,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:18:07,018 INFO L93 Difference]: Finished difference Result 5096 states and 7576 transitions. [2023-11-24 23:18:07,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 23:18:07,025 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 100 [2023-11-24 23:18:07,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:18:07,092 INFO L225 Difference]: With dead ends: 5096 [2023-11-24 23:18:07,092 INFO L226 Difference]: Without dead ends: 3372 [2023-11-24 23:18:07,112 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 23:18:07,116 INFO L413 NwaCegarLoop]: 2238 mSDtfsCounter, 2477 mSDsluCounter, 2192 mSDsCounter, 0 mSdLazyCounter, 681 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2477 SdHoareTripleChecker+Valid, 4430 SdHoareTripleChecker+Invalid, 690 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 681 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.7s IncrementalHoareTripleChecker+Time [2023-11-24 23:18:07,120 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2477 Valid, 4430 Invalid, 690 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 681 Invalid, 2 Unknown, 0 Unchecked, 10.7s Time] [2023-11-24 23:18:07,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3372 states. [2023-11-24 23:18:07,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3372 to 3370. [2023-11-24 23:18:07,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3370 states, 2011 states have (on average 1.3003480855295872) internal successors, (2615), 2076 states have internal predecessors, (2615), 1190 states have call successors, (1190), 168 states have call predecessors, (1190), 167 states have return successors, (1187), 1165 states have call predecessors, (1187), 1187 states have call successors, (1187) [2023-11-24 23:18:07,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3370 states to 3370 states and 4992 transitions. [2023-11-24 23:18:07,522 INFO L78 Accepts]: Start accepts. Automaton has 3370 states and 4992 transitions. Word has length 100 [2023-11-24 23:18:07,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:18:07,529 INFO L495 AbstractCegarLoop]: Abstraction has 3370 states and 4992 transitions. [2023-11-24 23:18:07,530 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2023-11-24 23:18:07,530 INFO L276 IsEmpty]: Start isEmpty. Operand 3370 states and 4992 transitions. [2023-11-24 23:18:07,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-24 23:18:07,544 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:18:07,544 INFO L195 NwaCegarLoop]: trace histogram [11, 8, 8, 8, 8, 8, 8, 3, 3, 2, 2, 2, 2, 2, 2, 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] [2023-11-24 23:18:07,544 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-24 23:18:07,544 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:18:07,545 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:18:07,545 INFO L85 PathProgramCache]: Analyzing trace with hash -64134157, now seen corresponding path program 1 times [2023-11-24 23:18:07,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:18:07,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576456795] [2023-11-24 23:18:07,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:18:07,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:18:07,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:18:07,996 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 287 trivial. 0 not checked. [2023-11-24 23:18:07,997 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:18:07,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576456795] [2023-11-24 23:18:07,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576456795] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:18:07,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:18:07,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 23:18:07,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498522527] [2023-11-24 23:18:07,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:18:08,000 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:18:08,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:18:08,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:18:08,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:18:08,002 INFO L87 Difference]: Start difference. First operand 3370 states and 4992 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-24 23:18:11,398 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 23:18:13,404 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:18:15,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:18:15,331 INFO L93 Difference]: Finished difference Result 5078 states and 7517 transitions. [2023-11-24 23:18:15,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 23:18:15,332 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 133 [2023-11-24 23:18:15,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:18:15,378 INFO L225 Difference]: With dead ends: 5078 [2023-11-24 23:18:15,378 INFO L226 Difference]: Without dead ends: 3370 [2023-11-24 23:18:15,396 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 23:18:15,397 INFO L413 NwaCegarLoop]: 2210 mSDtfsCounter, 7 mSDsluCounter, 2200 mSDsCounter, 0 mSdLazyCounter, 661 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 4410 SdHoareTripleChecker+Invalid, 662 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 661 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2023-11-24 23:18:15,397 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 4410 Invalid, 662 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 661 Invalid, 1 Unknown, 0 Unchecked, 7.1s Time] [2023-11-24 23:18:15,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3370 states. [2023-11-24 23:18:15,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3370 to 3370. [2023-11-24 23:18:15,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3370 states, 2011 states have (on average 1.2998508204873198) internal successors, (2614), 2076 states have internal predecessors, (2614), 1190 states have call successors, (1190), 168 states have call predecessors, (1190), 167 states have return successors, (1187), 1165 states have call predecessors, (1187), 1187 states have call successors, (1187) [2023-11-24 23:18:15,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3370 states to 3370 states and 4991 transitions. [2023-11-24 23:18:15,670 INFO L78 Accepts]: Start accepts. Automaton has 3370 states and 4991 transitions. Word has length 133 [2023-11-24 23:18:15,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:18:15,671 INFO L495 AbstractCegarLoop]: Abstraction has 3370 states and 4991 transitions. [2023-11-24 23:18:15,671 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-24 23:18:15,672 INFO L276 IsEmpty]: Start isEmpty. Operand 3370 states and 4991 transitions. [2023-11-24 23:18:15,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-11-24 23:18:15,685 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:18:15,685 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] [2023-11-24 23:18:15,685 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-24 23:18:15,686 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:18:15,686 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:18:15,686 INFO L85 PathProgramCache]: Analyzing trace with hash 1082211533, now seen corresponding path program 1 times [2023-11-24 23:18:15,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:18:15,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381826942] [2023-11-24 23:18:15,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:18:15,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:18:15,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:18:16,198 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 23:18:16,199 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:18:16,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381826942] [2023-11-24 23:18:16,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [381826942] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:18:16,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:18:16,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 23:18:16,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666214588] [2023-11-24 23:18:16,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:18:16,203 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:18:16,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:18:16,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:18:16,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:18:16,205 INFO L87 Difference]: Start difference. First operand 3370 states and 4991 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-11-24 23:18:20,371 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:18:23,488 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 23:18:24,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:18:24,328 INFO L93 Difference]: Finished difference Result 7631 states and 11316 transitions. [2023-11-24 23:18:24,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 23:18:24,329 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 129 [2023-11-24 23:18:24,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:18:24,376 INFO L225 Difference]: With dead ends: 7631 [2023-11-24 23:18:24,376 INFO L226 Difference]: Without dead ends: 4278 [2023-11-24 23:18:24,404 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 23:18:24,407 INFO L413 NwaCegarLoop]: 2221 mSDtfsCounter, 1904 mSDsluCounter, 2168 mSDsCounter, 0 mSdLazyCounter, 721 mSolverCounterSat, 17 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1904 SdHoareTripleChecker+Valid, 4389 SdHoareTripleChecker+Invalid, 739 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 721 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2023-11-24 23:18:24,409 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1904 Valid, 4389 Invalid, 739 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 721 Invalid, 1 Unknown, 0 Unchecked, 7.7s Time] [2023-11-24 23:18:24,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4278 states. [2023-11-24 23:18:24,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4278 to 4271. [2023-11-24 23:18:24,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4271 states, 2539 states have (on average 1.2906656163844032) internal successors, (3277), 2625 states have internal predecessors, (3277), 1520 states have call successors, (1520), 212 states have call predecessors, (1520), 210 states have return successors, (1517), 1487 states have call predecessors, (1517), 1517 states have call successors, (1517) [2023-11-24 23:18:24,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4271 states to 4271 states and 6314 transitions. [2023-11-24 23:18:24,832 INFO L78 Accepts]: Start accepts. Automaton has 4271 states and 6314 transitions. Word has length 129 [2023-11-24 23:18:24,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:18:24,833 INFO L495 AbstractCegarLoop]: Abstraction has 4271 states and 6314 transitions. [2023-11-24 23:18:24,834 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-11-24 23:18:24,834 INFO L276 IsEmpty]: Start isEmpty. Operand 4271 states and 6314 transitions. [2023-11-24 23:18:24,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-11-24 23:18:24,844 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:18:24,844 INFO L195 NwaCegarLoop]: trace histogram [12, 8, 8, 8, 8, 8, 8, 4, 4, 2, 2, 2, 2, 2, 2, 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] [2023-11-24 23:18:24,844 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-24 23:18:24,845 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:18:24,845 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:18:24,845 INFO L85 PathProgramCache]: Analyzing trace with hash 2106046928, now seen corresponding path program 1 times [2023-11-24 23:18:24,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:18:24,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172867048] [2023-11-24 23:18:24,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:18:24,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:18:25,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:18:25,594 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2023-11-24 23:18:25,594 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:18:25,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172867048] [2023-11-24 23:18:25,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172867048] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:18:25,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:18:25,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-24 23:18:25,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050530228] [2023-11-24 23:18:25,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:18:25,596 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-24 23:18:25,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:18:25,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-24 23:18:25,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-24 23:18:25,597 INFO L87 Difference]: Start difference. First operand 4271 states and 6314 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17)