./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--serial--8250--8250.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e92796c3-48e6-46ab-8d24-ed8d5fdcf519/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e92796c3-48e6-46ab-8d24-ed8d5fdcf519/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e92796c3-48e6-46ab-8d24-ed8d5fdcf519/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e92796c3-48e6-46ab-8d24-ed8d5fdcf519/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--serial--8250--8250.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e92796c3-48e6-46ab-8d24-ed8d5fdcf519/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e92796c3-48e6-46ab-8d24-ed8d5fdcf519/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c59d24ca7e400c1a8a00858a94bd019ea47bce8fc36becb9b508e062f91a0ddc --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:11:46,350 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:11:46,484 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e92796c3-48e6-46ab-8d24-ed8d5fdcf519/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-19 05:11:46,492 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:11:46,493 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:11:46,532 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:11:46,533 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:11:46,533 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:11:46,534 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:11:46,539 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:11:46,540 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:11:46,541 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:11:46,541 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:11:46,543 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:11:46,543 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:11:46,544 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:11:46,544 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:11:46,544 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:11:46,545 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:11:46,545 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:11:46,546 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:11:46,546 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:11:46,548 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:11:46,548 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:11:46,548 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:11:46,549 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:11:46,549 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:11:46,549 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:11:46,550 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:11:46,550 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:11:46,552 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:11:46,552 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:11:46,552 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:11:46,552 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:11:46,553 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:11:46,553 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:11:46,553 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:11:46,553 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:11:46,553 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:11:46,554 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:11:46,554 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:11:46,554 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:11:46,554 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_e92796c3-48e6-46ab-8d24-ed8d5fdcf519/bin/utaipan-verify-t7M7D8N6sZ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e92796c3-48e6-46ab-8d24-ed8d5fdcf519/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c59d24ca7e400c1a8a00858a94bd019ea47bce8fc36becb9b508e062f91a0ddc [2023-11-19 05:11:46,870 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:11:46,902 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:11:46,905 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:11:46,906 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:11:46,907 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:11:46,908 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e92796c3-48e6-46ab-8d24-ed8d5fdcf519/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--serial--8250--8250.ko-entry_point.cil.out.i [2023-11-19 05:11:49,912 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:11:50,598 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:11:50,600 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e92796c3-48e6-46ab-8d24-ed8d5fdcf519/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--serial--8250--8250.ko-entry_point.cil.out.i [2023-11-19 05:11:50,662 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e92796c3-48e6-46ab-8d24-ed8d5fdcf519/bin/utaipan-verify-t7M7D8N6sZ/data/72c399238/7eeb22dcff0b4ddcbe09dfc60c0d0525/FLAGfd7614049 [2023-11-19 05:11:50,679 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e92796c3-48e6-46ab-8d24-ed8d5fdcf519/bin/utaipan-verify-t7M7D8N6sZ/data/72c399238/7eeb22dcff0b4ddcbe09dfc60c0d0525 [2023-11-19 05:11:50,681 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:11:50,683 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:11:50,684 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:11:50,684 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:11:50,690 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:11:50,690 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:11:50" (1/1) ... [2023-11-19 05:11:50,691 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f339051 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:11:50, skipping insertion in model container [2023-11-19 05:11:50,692 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:11:50" (1/1) ... [2023-11-19 05:11:50,891 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:11:51,475 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4050] [2023-11-19 05:11:51,476 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [4051-4052] [2023-11-19 05:11:51,925 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_e92796c3-48e6-46ab-8d24-ed8d5fdcf519/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--serial--8250--8250.ko-entry_point.cil.out.i[126730,126743] [2023-11-19 05:11:53,573 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:11:53,718 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:11:53,867 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4050] [2023-11-19 05:11:53,867 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [4051-4052] [2023-11-19 05:11:53,877 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [4276] [2023-11-19 05:11:53,879 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [4284] [2023-11-19 05:11:53,880 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %0,%1": : "q" (val), "m" (*((unsigned char volatile *)addr)): "memory"); [4291] [2023-11-19 05:11:53,880 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [4298] [2023-11-19 05:11:53,881 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [4307] [2023-11-19 05:11:53,881 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [4315] [2023-11-19 05:11:53,886 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_e92796c3-48e6-46ab-8d24-ed8d5fdcf519/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--serial--8250--8250.ko-entry_point.cil.out.i[126730,126743] [2023-11-19 05:11:54,013 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 *)"/work/ldvuser/mutilin/launch/work/current--X--drivers--X--defaultlinux-3.16-rc1.tar.xz--X--43_2a--X--cpachecker/linux-3.16-rc1.tar.xz/csd_deg_dscv/531/dscv_tempdir/dscv/ri/43_2a/drivers/tty/serial/8250/8250_core.o.c.prepared"), "i" (1693), "i" (12UL)); [6017-6018] [2023-11-19 05:11:54,019 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 *)"/work/ldvuser/mutilin/launch/work/current--X--drivers--X--defaultlinux-3.16-rc1.tar.xz--X--43_2a--X--cpachecker/linux-3.16-rc1.tar.xz/csd_deg_dscv/531/dscv_tempdir/dscv/ri/43_2a/drivers/tty/serial/8250/8250_core.o.c.prepared"), "i" (1774), "i" (12UL)); [6130-6131] [2023-11-19 05:11:54,020 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 *)"/work/ldvuser/mutilin/launch/work/current--X--drivers--X--defaultlinux-3.16-rc1.tar.xz--X--43_2a--X--cpachecker/linux-3.16-rc1.tar.xz/csd_deg_dscv/531/dscv_tempdir/dscv/ri/43_2a/drivers/tty/serial/8250/8250_core.o.c.prepared"), "i" (1775), "i" (12UL)); [6139-6140] [2023-11-19 05:11:54,236 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"); [9367] [2023-11-19 05:11:54,237 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 *)"./arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [9402-9403] [2023-11-19 05:11:54,238 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"); [9408-9410] [2023-11-19 05:11:54,243 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)); [9495-9496] [2023-11-19 05:11:54,245 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)); [9524-9525] [2023-11-19 05:11:54,246 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)); [9554-9555] [2023-11-19 05:11:54,248 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)); [9584-9585] [2023-11-19 05:11:54,325 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:11:54,550 WARN L675 CHandler]: The function strstr is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:11:54,559 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:11:54,560 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:11:54 WrapperNode [2023-11-19 05:11:54,560 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:11:54,561 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:11:54,562 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:11:54,562 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:11:54,571 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:11:54" (1/1) ... [2023-11-19 05:11:54,723 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:11:54" (1/1) ... [2023-11-19 05:11:55,096 INFO L138 Inliner]: procedures = 349, calls = 4553, calls flagged for inlining = 166, calls inlined = 164, statements flattened = 9190 [2023-11-19 05:11:55,097 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:11:55,098 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:11:55,099 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:11:55,099 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:11:55,109 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:11:54" (1/1) ... [2023-11-19 05:11:55,110 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:11:54" (1/1) ... [2023-11-19 05:11:55,186 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:11:54" (1/1) ... [2023-11-19 05:11:55,187 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:11:54" (1/1) ... [2023-11-19 05:11:55,494 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:11:54" (1/1) ... [2023-11-19 05:11:55,567 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:11:54" (1/1) ... [2023-11-19 05:11:55,622 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:11:54" (1/1) ... [2023-11-19 05:11:55,644 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:11:54" (1/1) ... [2023-11-19 05:11:55,685 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:11:55,686 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:11:55,686 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:11:55,686 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:11:55,687 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:11:54" (1/1) ... [2023-11-19 05:11:55,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:11:55,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e92796c3-48e6-46ab-8d24-ed8d5fdcf519/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:11:55,715 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e92796c3-48e6-46ab-8d24-ed8d5fdcf519/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:11:55,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e92796c3-48e6-46ab-8d24-ed8d5fdcf519/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:11:55,757 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_tx_chars [2023-11-19 05:11:55,758 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_tx_chars [2023-11-19 05:11:55,758 INFO L130 BoogieDeclarations]: Found specification of procedure uart_poll_timeout [2023-11-19 05:11:55,758 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_poll_timeout [2023-11-19 05:11:55,758 INFO L130 BoogieDeclarations]: Found specification of procedure probe_irq_on [2023-11-19 05:11:55,758 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_irq_on [2023-11-19 05:11:55,759 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_rx_chars [2023-11-19 05:11:55,760 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_rx_chars [2023-11-19 05:11:55,760 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_out_sync [2023-11-19 05:11:55,760 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_out_sync [2023-11-19 05:11:55,762 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_do_pm [2023-11-19 05:11:55,762 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_do_pm [2023-11-19 05:11:55,762 INFO L130 BoogieDeclarations]: Found specification of procedure serial_dl_write [2023-11-19 05:11:55,762 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_dl_write [2023-11-19 05:11:55,763 INFO L130 BoogieDeclarations]: Found specification of procedure autoconfig_read_divisor_id [2023-11-19 05:11:55,763 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconfig_read_divisor_id [2023-11-19 05:11:55,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 05:11:55,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 05:11:55,764 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_set_mctrl [2023-11-19 05:11:55,764 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_set_mctrl [2023-11-19 05:11:55,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-19 05:11:55,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-19 05:11:55,765 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_device [2023-11-19 05:11:55,765 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_device [2023-11-19 05:11:55,765 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_request_port [2023-11-19 05:11:55,765 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_request_port [2023-11-19 05:11:55,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 05:11:55,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 05:11:55,765 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_stop_tx [2023-11-19 05:11:55,766 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_stop_tx [2023-11-19 05:11:55,766 INFO L130 BoogieDeclarations]: Found specification of procedure uart_unregister_driver [2023-11-19 05:11:55,766 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_unregister_driver [2023-11-19 05:11:55,766 INFO L130 BoogieDeclarations]: Found specification of procedure slow_down_io [2023-11-19 05:11:55,766 INFO L138 BoogieDeclarations]: Found implementation of procedure slow_down_io [2023-11-19 05:11:55,766 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_prep_slave_single [2023-11-19 05:11:55,767 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_prep_slave_single [2023-11-19 05:11:55,767 INFO L130 BoogieDeclarations]: Found specification of procedure tty_flip_buffer_push [2023-11-19 05:11:55,767 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_flip_buffer_push [2023-11-19 05:11:55,767 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_device_control [2023-11-19 05:11:55,767 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_device_control [2023-11-19 05:11:55,767 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-19 05:11:55,768 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-19 05:11:55,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_5 [2023-11-19 05:11:55,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_5 [2023-11-19 05:11:55,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 05:11:55,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 05:11:55,770 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_start_tx [2023-11-19 05:11:55,770 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_start_tx [2023-11-19 05:11:55,770 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-19 05:11:55,770 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-19 05:11:55,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 05:11:55,771 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 05:11:55,771 INFO L130 BoogieDeclarations]: Found specification of procedure autoconfig_16550a [2023-11-19 05:11:55,771 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconfig_16550a [2023-11-19 05:11:55,771 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:11:55,771 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:11:55,772 INFO L130 BoogieDeclarations]: Found specification of procedure __dma_tx_complete [2023-11-19 05:11:55,772 INFO L138 BoogieDeclarations]: Found implementation of procedure __dma_tx_complete [2023-11-19 05:11:55,772 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-11-19 05:11:55,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-11-19 05:11:55,773 INFO L130 BoogieDeclarations]: Found specification of procedure dma_release_channel [2023-11-19 05:11:55,773 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_release_channel [2023-11-19 05:11:55,773 INFO L130 BoogieDeclarations]: Found specification of procedure check_name [2023-11-19 05:11:55,773 INFO L138 BoogieDeclarations]: Found implementation of procedure check_name [2023-11-19 05:11:55,773 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-19 05:11:55,773 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-19 05:11:55,773 INFO L130 BoogieDeclarations]: Found specification of procedure serial_in [2023-11-19 05:11:55,774 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_in [2023-11-19 05:11:55,774 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_handle_irq [2023-11-19 05:11:55,774 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_handle_irq [2023-11-19 05:11:55,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 05:11:55,775 INFO L130 BoogieDeclarations]: Found specification of procedure broken_efr [2023-11-19 05:11:55,775 INFO L138 BoogieDeclarations]: Found implementation of procedure broken_efr [2023-11-19 05:11:55,775 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_submit [2023-11-19 05:11:55,775 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_submit [2023-11-19 05:11:55,775 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_modem_status [2023-11-19 05:11:55,776 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_modem_status [2023-11-19 05:11:55,776 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_startup [2023-11-19 05:11:55,776 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_startup [2023-11-19 05:11:55,776 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2023-11-19 05:11:55,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2023-11-19 05:11:55,776 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_pnp_exit [2023-11-19 05:11:55,776 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_pnp_exit [2023-11-19 05:11:55,777 INFO L130 BoogieDeclarations]: Found specification of procedure uart_suspend_port [2023-11-19 05:11:55,777 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_suspend_port [2023-11-19 05:11:55,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 05:11:55,777 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_set_ldisc [2023-11-19 05:11:55,777 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_set_ldisc [2023-11-19 05:11:55,777 INFO L130 BoogieDeclarations]: Found specification of procedure uart_add_one_port [2023-11-19 05:11:55,778 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_add_one_port [2023-11-19 05:11:55,778 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_port_size [2023-11-19 05:11:55,778 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_port_size [2023-11-19 05:11:55,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-11-19 05:11:55,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-11-19 05:11:55,779 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-19 05:11:55,779 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-19 05:11:55,779 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2023-11-19 05:11:55,780 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_tx_dma [2023-11-19 05:11:55,780 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_tx_dma [2023-11-19 05:11:55,780 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_put_poll_char [2023-11-19 05:11:55,781 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_put_poll_char [2023-11-19 05:11:55,781 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_release_dma [2023-11-19 05:11:55,781 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_release_dma [2023-11-19 05:11:55,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 05:11:55,781 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_tx_empty [2023-11-19 05:11:55,781 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_tx_empty [2023-11-19 05:11:55,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 05:11:55,782 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_out [2023-11-19 05:11:55,782 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_out [2023-11-19 05:11:55,782 INFO L130 BoogieDeclarations]: Found specification of procedure disable_rsa [2023-11-19 05:11:55,782 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_rsa [2023-11-19 05:11:55,782 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 05:11:55,783 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 05:11:55,783 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_clear_fifos [2023-11-19 05:11:55,783 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_clear_fifos [2023-11-19 05:11:55,783 INFO L130 BoogieDeclarations]: Found specification of procedure serial_out [2023-11-19 05:11:55,783 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_out [2023-11-19 05:11:55,784 INFO L130 BoogieDeclarations]: Found specification of procedure serial_icr_write [2023-11-19 05:11:55,784 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_icr_write [2023-11-19 05:11:55,784 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-19 05:11:55,784 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-19 05:11:55,784 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-11-19 05:11:55,784 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-11-19 05:11:55,785 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_get_poll_char [2023-11-19 05:11:55,786 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_get_poll_char [2023-11-19 05:11:55,786 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_probe [2023-11-19 05:11:55,786 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_probe [2023-11-19 05:11:55,787 INFO L130 BoogieDeclarations]: Found specification of procedure serial_do_unlink [2023-11-19 05:11:55,787 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_do_unlink [2023-11-19 05:11:55,790 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_set_termios [2023-11-19 05:11:55,790 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_set_termios [2023-11-19 05:11:55,791 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-19 05:11:55,791 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-19 05:11:55,791 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_unregister_port [2023-11-19 05:11:55,791 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_unregister_port [2023-11-19 05:11:55,792 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_stop_rx [2023-11-19 05:11:55,792 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_stop_rx [2023-11-19 05:11:55,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-19 05:11:55,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-19 05:11:55,799 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_request_rsa_resource [2023-11-19 05:11:55,799 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_request_rsa_resource [2023-11-19 05:11:55,799 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-19 05:11:55,800 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-19 05:11:55,800 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_isa_init_ports [2023-11-19 05:11:55,800 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_isa_init_ports [2023-11-19 05:11:55,800 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-19 05:11:55,801 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-19 05:11:55,801 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2023-11-19 05:11:55,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2023-11-19 05:11:55,801 INFO L130 BoogieDeclarations]: Found specification of procedure is_omap1_8250 [2023-11-19 05:11:55,801 INFO L138 BoogieDeclarations]: Found implementation of procedure is_omap1_8250 [2023-11-19 05:11:55,801 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_get_resource [2023-11-19 05:11:55,801 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_get_resource [2023-11-19 05:11:55,802 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_verify_port [2023-11-19 05:11:55,802 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_verify_port [2023-11-19 05:11:55,802 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-19 05:11:55,802 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-19 05:11:55,802 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_resource_valid [2023-11-19 05:11:55,802 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_resource_valid [2023-11-19 05:11:55,803 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_2 [2023-11-19 05:11:55,803 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_2 [2023-11-19 05:11:55,803 INFO L130 BoogieDeclarations]: Found specification of procedure set_io_from_upio [2023-11-19 05:11:55,803 INFO L138 BoogieDeclarations]: Found implementation of procedure set_io_from_upio [2023-11-19 05:11:55,803 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_cpu [2023-11-19 05:11:55,803 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_cpu [2023-11-19 05:11:55,803 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-11-19 05:11:55,804 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-11-19 05:11:55,804 INFO L130 BoogieDeclarations]: Found specification of procedure uart_remove_one_port [2023-11-19 05:11:55,804 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_remove_one_port [2023-11-19 05:11:55,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 05:11:55,804 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_suspend_port [2023-11-19 05:11:55,804 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_suspend_port [2023-11-19 05:11:55,804 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_request_dma [2023-11-19 05:11:55,804 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_request_dma [2023-11-19 05:11:55,805 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-19 05:11:55,805 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-19 05:11:55,805 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_get_mctrl [2023-11-19 05:11:55,805 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_get_mctrl [2023-11-19 05:11:55,805 INFO L130 BoogieDeclarations]: Found specification of procedure probe_irq_off [2023-11-19 05:11:55,805 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_irq_off [2023-11-19 05:11:55,805 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_release_rsa_resource [2023-11-19 05:11:55,806 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_release_rsa_resource [2023-11-19 05:11:55,806 INFO L130 BoogieDeclarations]: Found specification of procedure __dma_request_slave_channel_compat [2023-11-19 05:11:55,806 INFO L138 BoogieDeclarations]: Found implementation of procedure __dma_request_slave_channel_compat [2023-11-19 05:11:55,806 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_release_std_resource [2023-11-19 05:11:55,806 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_release_std_resource [2023-11-19 05:11:55,806 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_tx_status [2023-11-19 05:11:55,806 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_tx_status [2023-11-19 05:11:55,807 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-11-19 05:11:55,807 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-11-19 05:11:55,807 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_in [2023-11-19 05:11:55,807 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_in [2023-11-19 05:11:55,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 05:11:55,807 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_type [2023-11-19 05:11:55,807 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_type [2023-11-19 05:11:55,808 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-11-19 05:11:55,808 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-11-19 05:11:55,808 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_register_8250_port [2023-11-19 05:11:55,808 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_register_8250_port [2023-11-19 05:11:55,808 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2023-11-19 05:11:55,808 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2023-11-19 05:11:55,808 INFO L130 BoogieDeclarations]: Found specification of procedure uart_write_wakeup [2023-11-19 05:11:55,808 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_write_wakeup [2023-11-19 05:11:55,809 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-11-19 05:11:55,809 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-11-19 05:11:55,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 05:11:55,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 05:11:55,809 INFO L130 BoogieDeclarations]: Found specification of procedure serial_icr_read [2023-11-19 05:11:55,809 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_icr_read [2023-11-19 05:11:55,809 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_break_ctl [2023-11-19 05:11:55,810 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_break_ctl [2023-11-19 05:11:55,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 05:11:55,810 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_pm [2023-11-19 05:11:55,810 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_pm [2023-11-19 05:11:55,810 INFO L130 BoogieDeclarations]: Found specification of procedure inb_p [2023-11-19 05:11:55,810 INFO L138 BoogieDeclarations]: Found implementation of procedure inb_p [2023-11-19 05:11:55,810 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_do_set_termios [2023-11-19 05:11:55,811 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_do_set_termios [2023-11-19 05:11:55,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:11:55,811 INFO L130 BoogieDeclarations]: Found specification of procedure uart_tx_stopped [2023-11-19 05:11:55,811 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_tx_stopped [2023-11-19 05:11:55,811 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_xmitr [2023-11-19 05:11:55,811 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_xmitr [2023-11-19 05:11:55,811 INFO L130 BoogieDeclarations]: Found specification of procedure autoconfig [2023-11-19 05:11:55,811 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconfig [2023-11-19 05:11:55,812 INFO L130 BoogieDeclarations]: Found specification of procedure serial_dl_read [2023-11-19 05:11:55,812 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_dl_read [2023-11-19 05:11:55,812 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-19 05:11:55,812 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-19 05:11:55,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 05:11:55,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2023-11-19 05:11:55,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2023-11-19 05:11:55,813 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2023-11-19 05:11:55,813 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2023-11-19 05:11:55,813 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 05:11:55,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 05:11:55,813 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-11-19 05:11:55,813 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-11-19 05:11:55,813 INFO L130 BoogieDeclarations]: Found specification of procedure serial_pnp_remove [2023-11-19 05:11:55,813 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_pnp_remove [2023-11-19 05:11:55,814 INFO L130 BoogieDeclarations]: Found specification of procedure ___ratelimit [2023-11-19 05:11:55,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ___ratelimit [2023-11-19 05:11:55,814 INFO L130 BoogieDeclarations]: Found specification of procedure uart_handle_break [2023-11-19 05:11:55,814 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_handle_break [2023-11-19 05:11:55,814 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-19 05:11:55,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-19 05:11:55,814 INFO L130 BoogieDeclarations]: Found specification of procedure serial_index [2023-11-19 05:11:55,815 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_index [2023-11-19 05:11:55,815 INFO L130 BoogieDeclarations]: Found specification of procedure __dma_rx_complete [2023-11-19 05:11:55,815 INFO L138 BoogieDeclarations]: Found implementation of procedure __dma_rx_complete [2023-11-19 05:11:55,815 INFO L130 BoogieDeclarations]: Found specification of procedure dma_async_issue_pending [2023-11-19 05:11:55,815 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_async_issue_pending [2023-11-19 05:11:55,815 INFO L130 BoogieDeclarations]: Found specification of procedure __stop_tx [2023-11-19 05:11:55,815 INFO L138 BoogieDeclarations]: Found implementation of procedure __stop_tx [2023-11-19 05:11:55,815 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_start [2023-11-19 05:11:55,817 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_start [2023-11-19 05:11:55,820 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_config_port [2023-11-19 05:11:55,820 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_config_port [2023-11-19 05:11:55,821 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-19 05:11:55,821 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-19 05:11:55,821 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-19 05:11:55,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-19 05:11:55,821 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_resume [2023-11-19 05:11:55,821 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_resume [2023-11-19 05:11:55,821 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_shutdown [2023-11-19 05:11:55,822 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_shutdown [2023-11-19 05:11:55,823 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~X~$Pointer$~TO~VOID [2023-11-19 05:11:55,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~X~$Pointer$~TO~VOID [2023-11-19 05:11:55,823 INFO L130 BoogieDeclarations]: Found specification of procedure autoconfig_has_efr [2023-11-19 05:11:55,824 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconfig_has_efr [2023-11-19 05:11:55,824 INFO L130 BoogieDeclarations]: Found specification of procedure __enable_rsa [2023-11-19 05:11:55,824 INFO L138 BoogieDeclarations]: Found implementation of procedure __enable_rsa [2023-11-19 05:11:55,824 INFO L130 BoogieDeclarations]: Found specification of procedure serial_pnp_resume [2023-11-19 05:11:55,824 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_pnp_resume [2023-11-19 05:11:55,824 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_request_std_resource [2023-11-19 05:11:55,824 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_request_std_resource [2023-11-19 05:11:55,825 INFO L130 BoogieDeclarations]: Found specification of procedure outb_p [2023-11-19 05:11:55,825 INFO L138 BoogieDeclarations]: Found implementation of procedure outb_p [2023-11-19 05:11:55,825 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_slave_config [2023-11-19 05:11:55,825 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_slave_config [2023-11-19 05:11:55,825 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_rx_dma [2023-11-19 05:11:55,825 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_rx_dma [2023-11-19 05:11:55,825 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-19 05:11:55,825 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-19 05:11:55,826 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-11-19 05:11:55,826 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-11-19 05:11:55,826 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_resume_port [2023-11-19 05:11:55,826 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_resume_port [2023-11-19 05:11:55,826 INFO L130 BoogieDeclarations]: Found specification of procedure ns16550a_goto_highspeed [2023-11-19 05:11:55,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ns16550a_goto_highspeed [2023-11-19 05:11:55,826 INFO L130 BoogieDeclarations]: Found specification of procedure size_fifo [2023-11-19 05:11:55,826 INFO L138 BoogieDeclarations]: Found implementation of procedure size_fifo [2023-11-19 05:11:55,827 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_get_drvdata [2023-11-19 05:11:55,827 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_get_drvdata [2023-11-19 05:11:55,827 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_remove [2023-11-19 05:11:55,827 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_remove [2023-11-19 05:11:55,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:11:55,827 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_release_port [2023-11-19 05:11:55,827 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_release_port [2023-11-19 05:11:55,828 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2023-11-19 05:11:55,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2023-11-19 05:11:55,828 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_enable_ms [2023-11-19 05:11:55,828 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_enable_ms [2023-11-19 05:11:55,828 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_terminate_all [2023-11-19 05:11:55,828 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_terminate_all [2023-11-19 05:11:55,828 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_valid [2023-11-19 05:11:55,829 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_valid [2023-11-19 05:11:55,829 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_set_sleep [2023-11-19 05:11:55,829 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_set_sleep [2023-11-19 05:11:55,829 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_init_fixed_type_port [2023-11-19 05:11:55,829 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_init_fixed_type_port [2023-11-19 05:11:55,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:11:55,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:11:55,829 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2023-11-19 05:11:55,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2023-11-19 05:11:56,909 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:11:56,914 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:11:58,246 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 05:12:20,558 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:12:27,585 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:12:27,585 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 05:12:27,604 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:12:27 BoogieIcfgContainer [2023-11-19 05:12:27,604 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:12:27,606 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:12:27,607 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:12:27,610 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:12:27,610 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:11:50" (1/3) ... [2023-11-19 05:12:27,611 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f3ac2ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:12:27, skipping insertion in model container [2023-11-19 05:12:27,611 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:11:54" (2/3) ... [2023-11-19 05:12:27,612 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f3ac2ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:12:27, skipping insertion in model container [2023-11-19 05:12:27,612 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:12:27" (3/3) ... [2023-11-19 05:12:27,613 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--serial--8250--8250.ko-entry_point.cil.out.i [2023-11-19 05:12:27,634 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:12:27,634 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:12:27,730 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:12:27,737 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;@3af41b95, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:12:27,737 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:12:27,750 INFO L276 IsEmpty]: Start isEmpty. Operand has 2075 states, 1227 states have (on average 1.352078239608802) internal successors, (1659), 1320 states have internal predecessors, (1659), 696 states have call successors, (696), 151 states have call predecessors, (696), 150 states have return successors, (689), 661 states have call predecessors, (689), 689 states have call successors, (689) [2023-11-19 05:12:27,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-11-19 05:12:27,805 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:12:27,807 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:12:27,808 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:12:27,814 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:12:27,814 INFO L85 PathProgramCache]: Analyzing trace with hash 644846626, now seen corresponding path program 1 times [2023-11-19 05:12:27,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:12:27,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277900719] [2023-11-19 05:12:27,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:12:27,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:12:28,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:12:29,607 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2023-11-19 05:12:29,608 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:12:29,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277900719] [2023-11-19 05:12:29,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277900719] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:12:29,609 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:12:29,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:12:29,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865938361] [2023-11-19 05:12:29,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:12:29,619 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:12:29,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:12:29,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:12:29,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:12:29,664 INFO L87 Difference]: Start difference. First operand has 2075 states, 1227 states have (on average 1.352078239608802) internal successors, (1659), 1320 states have internal predecessors, (1659), 696 states have call successors, (696), 151 states have call predecessors, (696), 150 states have return successors, (689), 661 states have call predecessors, (689), 689 states have call successors, (689) Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-19 05:12:33,526 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:12:35,655 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:12:38,554 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []