./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 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2515cb75-bcc0-4f5f-88fb-145c441165d1/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2515cb75-bcc0-4f5f-88fb-145c441165d1/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2515cb75-bcc0-4f5f-88fb-145c441165d1/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2515cb75-bcc0-4f5f-88fb-145c441165d1/bin/utaipan-verify-mE87zJ7Ire/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_2515cb75-bcc0-4f5f-88fb-145c441165d1/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2515cb75-bcc0-4f5f-88fb-145c441165d1/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c59d24ca7e400c1a8a00858a94bd019ea47bce8fc36becb9b508e062f91a0ddc --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:18:55,643 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:18:55,711 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2515cb75-bcc0-4f5f-88fb-145c441165d1/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:18:55,717 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:18:55,718 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:18:55,743 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:18:55,744 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:18:55,745 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:18:55,746 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:18:55,747 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:18:55,747 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:18:55,748 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:18:55,749 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:18:55,749 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:18:55,750 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:18:55,750 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:18:55,751 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:18:55,752 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:18:55,752 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:18:55,753 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:18:55,753 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:18:55,754 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:18:55,755 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:18:55,755 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:18:55,756 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:18:55,756 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:18:55,757 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:18:55,757 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:18:55,757 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:18:55,758 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:18:55,758 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:18:55,759 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:18:55,759 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:18:55,759 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:18:55,760 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:18:55,760 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:18:55,760 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:18:55,761 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:18:55,761 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:18:55,761 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:18:55,761 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:18:55,762 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:18:55,762 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:18:55,762 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:18:55,763 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_2515cb75-bcc0-4f5f-88fb-145c441165d1/bin/utaipan-verify-mE87zJ7Ire/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2515cb75-bcc0-4f5f-88fb-145c441165d1/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c59d24ca7e400c1a8a00858a94bd019ea47bce8fc36becb9b508e062f91a0ddc [2023-11-23 21:18:56,056 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:18:56,086 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:18:56,089 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:18:56,090 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:18:56,091 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:18:56,092 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2515cb75-bcc0-4f5f-88fb-145c441165d1/bin/utaipan-verify-mE87zJ7Ire/../../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 [2023-11-23 21:18:59,250 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:19:00,049 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:19:00,050 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2515cb75-bcc0-4f5f-88fb-145c441165d1/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 [2023-11-23 21:19:00,101 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2515cb75-bcc0-4f5f-88fb-145c441165d1/bin/utaipan-verify-mE87zJ7Ire/data/cf60479fc/cd286514e1a64527a5905943477e79a3/FLAGdac1b92e8 [2023-11-23 21:19:00,117 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2515cb75-bcc0-4f5f-88fb-145c441165d1/bin/utaipan-verify-mE87zJ7Ire/data/cf60479fc/cd286514e1a64527a5905943477e79a3 [2023-11-23 21:19:00,125 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:19:00,127 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:19:00,130 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:19:00,130 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:19:00,136 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:19:00,137 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:19:00" (1/1) ... [2023-11-23 21:19:00,138 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b937a08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:00, skipping insertion in model container [2023-11-23 21:19:00,138 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:19:00" (1/1) ... [2023-11-23 21:19:00,325 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:19:00,942 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4050] [2023-11-23 21:19:00,942 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] [2023-11-23 21:19:01,333 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_2515cb75-bcc0-4f5f-88fb-145c441165d1/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] [2023-11-23 21:19:02,914 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:19:03,003 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:19:03,087 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4050] [2023-11-23 21:19:03,087 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] [2023-11-23 21:19:03,155 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [4276] [2023-11-23 21:19:03,157 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [4284] [2023-11-23 21:19:03,158 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %0,%1": : "q" (val), "m" (*((unsigned char volatile *)addr)): "memory"); [4291] [2023-11-23 21:19:03,158 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [4298] [2023-11-23 21:19:03,159 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [4307] [2023-11-23 21:19:03,159 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [4315] [2023-11-23 21:19:03,162 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_2515cb75-bcc0-4f5f-88fb-145c441165d1/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] [2023-11-23 21:19:03,365 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] [2023-11-23 21:19:03,371 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] [2023-11-23 21:19:03,372 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] [2023-11-23 21:19:03,619 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] [2023-11-23 21:19:03,620 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] [2023-11-23 21:19:03,620 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] [2023-11-23 21:19:03,625 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] [2023-11-23 21:19:03,627 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] [2023-11-23 21:19:03,629 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] [2023-11-23 21:19:03,630 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] [2023-11-23 21:19:03,674 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:19:03,851 WARN L675 CHandler]: The function strstr is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:19:03,859 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:19:03,860 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:03 WrapperNode [2023-11-23 21:19:03,861 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:19:03,862 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:19:03,862 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:19:03,862 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:19:03,871 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:03" (1/1) ... [2023-11-23 21:19:04,083 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:03" (1/1) ... [2023-11-23 21:19:04,415 INFO L138 Inliner]: procedures = 349, calls = 4553, calls flagged for inlining = 166, calls inlined = 164, statements flattened = 9190 [2023-11-23 21:19:04,416 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:19:04,417 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:19:04,417 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:19:04,418 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:19:04,432 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:03" (1/1) ... [2023-11-23 21:19:04,432 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:03" (1/1) ... [2023-11-23 21:19:04,506 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:03" (1/1) ... [2023-11-23 21:19:04,507 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:03" (1/1) ... [2023-11-23 21:19:04,774 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:03" (1/1) ... [2023-11-23 21:19:04,811 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:03" (1/1) ... [2023-11-23 21:19:04,966 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:03" (1/1) ... [2023-11-23 21:19:05,008 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:03" (1/1) ... [2023-11-23 21:19:05,070 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:19:05,072 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:19:05,072 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:19:05,072 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:19:05,073 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:03" (1/1) ... [2023-11-23 21:19:05,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:19:05,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2515cb75-bcc0-4f5f-88fb-145c441165d1/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:19:05,117 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2515cb75-bcc0-4f5f-88fb-145c441165d1/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:19:05,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2515cb75-bcc0-4f5f-88fb-145c441165d1/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:19:05,168 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_tx_chars [2023-11-23 21:19:05,168 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_tx_chars [2023-11-23 21:19:05,168 INFO L130 BoogieDeclarations]: Found specification of procedure uart_poll_timeout [2023-11-23 21:19:05,168 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_poll_timeout [2023-11-23 21:19:05,169 INFO L130 BoogieDeclarations]: Found specification of procedure probe_irq_on [2023-11-23 21:19:05,170 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_irq_on [2023-11-23 21:19:05,170 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_rx_chars [2023-11-23 21:19:05,170 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_rx_chars [2023-11-23 21:19:05,172 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_out_sync [2023-11-23 21:19:05,172 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_out_sync [2023-11-23 21:19:05,173 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_do_pm [2023-11-23 21:19:05,173 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_do_pm [2023-11-23 21:19:05,173 INFO L130 BoogieDeclarations]: Found specification of procedure serial_dl_write [2023-11-23 21:19:05,173 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_dl_write [2023-11-23 21:19:05,173 INFO L130 BoogieDeclarations]: Found specification of procedure autoconfig_read_divisor_id [2023-11-23 21:19:05,173 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconfig_read_divisor_id [2023-11-23 21:19:05,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-23 21:19:05,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-23 21:19:05,174 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_set_mctrl [2023-11-23 21:19:05,174 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_set_mctrl [2023-11-23 21:19:05,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-23 21:19:05,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-23 21:19:05,174 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_device [2023-11-23 21:19:05,174 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_device [2023-11-23 21:19:05,175 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_request_port [2023-11-23 21:19:05,175 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_request_port [2023-11-23 21:19:05,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 21:19:05,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 21:19:05,175 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_stop_tx [2023-11-23 21:19:05,175 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_stop_tx [2023-11-23 21:19:05,175 INFO L130 BoogieDeclarations]: Found specification of procedure uart_unregister_driver [2023-11-23 21:19:05,176 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_unregister_driver [2023-11-23 21:19:05,176 INFO L130 BoogieDeclarations]: Found specification of procedure slow_down_io [2023-11-23 21:19:05,176 INFO L138 BoogieDeclarations]: Found implementation of procedure slow_down_io [2023-11-23 21:19:05,176 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_prep_slave_single [2023-11-23 21:19:05,176 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_prep_slave_single [2023-11-23 21:19:05,176 INFO L130 BoogieDeclarations]: Found specification of procedure tty_flip_buffer_push [2023-11-23 21:19:05,177 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_flip_buffer_push [2023-11-23 21:19:05,177 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_device_control [2023-11-23 21:19:05,177 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_device_control [2023-11-23 21:19:05,177 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-23 21:19:05,178 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-23 21:19:05,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_5 [2023-11-23 21:19:05,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_5 [2023-11-23 21:19:05,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-23 21:19:05,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-23 21:19:05,179 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_start_tx [2023-11-23 21:19:05,180 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_start_tx [2023-11-23 21:19:05,180 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-23 21:19:05,180 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-23 21:19:05,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 21:19:05,181 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 21:19:05,181 INFO L130 BoogieDeclarations]: Found specification of procedure autoconfig_16550a [2023-11-23 21:19:05,182 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconfig_16550a [2023-11-23 21:19:05,182 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:19:05,182 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:19:05,182 INFO L130 BoogieDeclarations]: Found specification of procedure __dma_tx_complete [2023-11-23 21:19:05,182 INFO L138 BoogieDeclarations]: Found implementation of procedure __dma_tx_complete [2023-11-23 21:19:05,182 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-11-23 21:19:05,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-11-23 21:19:05,183 INFO L130 BoogieDeclarations]: Found specification of procedure dma_release_channel [2023-11-23 21:19:05,183 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_release_channel [2023-11-23 21:19:05,183 INFO L130 BoogieDeclarations]: Found specification of procedure check_name [2023-11-23 21:19:05,183 INFO L138 BoogieDeclarations]: Found implementation of procedure check_name [2023-11-23 21:19:05,184 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-23 21:19:05,184 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-23 21:19:05,185 INFO L130 BoogieDeclarations]: Found specification of procedure serial_in [2023-11-23 21:19:05,185 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_in [2023-11-23 21:19:05,185 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_handle_irq [2023-11-23 21:19:05,185 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_handle_irq [2023-11-23 21:19:05,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:19:05,185 INFO L130 BoogieDeclarations]: Found specification of procedure broken_efr [2023-11-23 21:19:05,185 INFO L138 BoogieDeclarations]: Found implementation of procedure broken_efr [2023-11-23 21:19:05,186 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_submit [2023-11-23 21:19:05,186 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_submit [2023-11-23 21:19:05,186 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_modem_status [2023-11-23 21:19:05,186 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_modem_status [2023-11-23 21:19:05,186 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_startup [2023-11-23 21:19:05,186 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_startup [2023-11-23 21:19:05,186 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2023-11-23 21:19:05,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2023-11-23 21:19:05,187 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_pnp_exit [2023-11-23 21:19:05,187 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_pnp_exit [2023-11-23 21:19:05,187 INFO L130 BoogieDeclarations]: Found specification of procedure uart_suspend_port [2023-11-23 21:19:05,187 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_suspend_port [2023-11-23 21:19:05,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:19:05,188 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_set_ldisc [2023-11-23 21:19:05,188 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_set_ldisc [2023-11-23 21:19:05,188 INFO L130 BoogieDeclarations]: Found specification of procedure uart_add_one_port [2023-11-23 21:19:05,188 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_add_one_port [2023-11-23 21:19:05,189 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_port_size [2023-11-23 21:19:05,189 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_port_size [2023-11-23 21:19:05,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-11-23 21:19:05,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-11-23 21:19:05,190 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-23 21:19:05,190 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-23 21:19:05,191 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2023-11-23 21:19:05,191 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_tx_dma [2023-11-23 21:19:05,191 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_tx_dma [2023-11-23 21:19:05,191 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_put_poll_char [2023-11-23 21:19:05,191 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_put_poll_char [2023-11-23 21:19:05,191 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_release_dma [2023-11-23 21:19:05,191 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_release_dma [2023-11-23 21:19:05,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:19:05,192 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_tx_empty [2023-11-23 21:19:05,192 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_tx_empty [2023-11-23 21:19:05,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 21:19:05,192 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_out [2023-11-23 21:19:05,192 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_out [2023-11-23 21:19:05,192 INFO L130 BoogieDeclarations]: Found specification of procedure disable_rsa [2023-11-23 21:19:05,193 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_rsa [2023-11-23 21:19:05,193 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-23 21:19:05,193 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-23 21:19:05,193 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_clear_fifos [2023-11-23 21:19:05,193 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_clear_fifos [2023-11-23 21:19:05,193 INFO L130 BoogieDeclarations]: Found specification of procedure serial_out [2023-11-23 21:19:05,194 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_out [2023-11-23 21:19:05,194 INFO L130 BoogieDeclarations]: Found specification of procedure serial_icr_write [2023-11-23 21:19:05,194 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_icr_write [2023-11-23 21:19:05,194 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-23 21:19:05,194 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-23 21:19:05,194 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-11-23 21:19:05,195 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-11-23 21:19:05,195 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_get_poll_char [2023-11-23 21:19:05,195 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_get_poll_char [2023-11-23 21:19:05,195 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_probe [2023-11-23 21:19:05,196 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_probe [2023-11-23 21:19:05,196 INFO L130 BoogieDeclarations]: Found specification of procedure serial_do_unlink [2023-11-23 21:19:05,196 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_do_unlink [2023-11-23 21:19:05,196 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_set_termios [2023-11-23 21:19:05,196 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_set_termios [2023-11-23 21:19:05,196 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-23 21:19:05,201 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-23 21:19:05,201 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_unregister_port [2023-11-23 21:19:05,201 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_unregister_port [2023-11-23 21:19:05,201 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_stop_rx [2023-11-23 21:19:05,201 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_stop_rx [2023-11-23 21:19:05,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-23 21:19:05,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-23 21:19:05,202 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_request_rsa_resource [2023-11-23 21:19:05,202 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_request_rsa_resource [2023-11-23 21:19:05,202 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-23 21:19:05,202 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-23 21:19:05,202 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_isa_init_ports [2023-11-23 21:19:05,202 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_isa_init_ports [2023-11-23 21:19:05,202 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-23 21:19:05,203 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-23 21:19:05,203 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2023-11-23 21:19:05,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2023-11-23 21:19:05,203 INFO L130 BoogieDeclarations]: Found specification of procedure is_omap1_8250 [2023-11-23 21:19:05,203 INFO L138 BoogieDeclarations]: Found implementation of procedure is_omap1_8250 [2023-11-23 21:19:05,203 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_get_resource [2023-11-23 21:19:05,203 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_get_resource [2023-11-23 21:19:05,204 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_verify_port [2023-11-23 21:19:05,204 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_verify_port [2023-11-23 21:19:05,204 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-23 21:19:05,204 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-23 21:19:05,204 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_resource_valid [2023-11-23 21:19:05,204 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_resource_valid [2023-11-23 21:19:05,204 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_2 [2023-11-23 21:19:05,205 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_2 [2023-11-23 21:19:05,205 INFO L130 BoogieDeclarations]: Found specification of procedure set_io_from_upio [2023-11-23 21:19:05,205 INFO L138 BoogieDeclarations]: Found implementation of procedure set_io_from_upio [2023-11-23 21:19:05,205 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_cpu [2023-11-23 21:19:05,205 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_cpu [2023-11-23 21:19:05,205 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-11-23 21:19:05,205 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-11-23 21:19:05,205 INFO L130 BoogieDeclarations]: Found specification of procedure uart_remove_one_port [2023-11-23 21:19:05,206 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_remove_one_port [2023-11-23 21:19:05,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:19:05,206 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_suspend_port [2023-11-23 21:19:05,206 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_suspend_port [2023-11-23 21:19:05,206 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_request_dma [2023-11-23 21:19:05,206 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_request_dma [2023-11-23 21:19:05,206 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-23 21:19:05,206 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-23 21:19:05,207 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_get_mctrl [2023-11-23 21:19:05,207 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_get_mctrl [2023-11-23 21:19:05,207 INFO L130 BoogieDeclarations]: Found specification of procedure probe_irq_off [2023-11-23 21:19:05,207 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_irq_off [2023-11-23 21:19:05,207 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_release_rsa_resource [2023-11-23 21:19:05,207 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_release_rsa_resource [2023-11-23 21:19:05,207 INFO L130 BoogieDeclarations]: Found specification of procedure __dma_request_slave_channel_compat [2023-11-23 21:19:05,208 INFO L138 BoogieDeclarations]: Found implementation of procedure __dma_request_slave_channel_compat [2023-11-23 21:19:05,208 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_release_std_resource [2023-11-23 21:19:05,208 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_release_std_resource [2023-11-23 21:19:05,208 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_tx_status [2023-11-23 21:19:05,208 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_tx_status [2023-11-23 21:19:05,208 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-11-23 21:19:05,208 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-11-23 21:19:05,208 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_in [2023-11-23 21:19:05,209 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_in [2023-11-23 21:19:05,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:19:05,209 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_type [2023-11-23 21:19:05,209 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_type [2023-11-23 21:19:05,209 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-11-23 21:19:05,209 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-11-23 21:19:05,209 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_register_8250_port [2023-11-23 21:19:05,209 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_register_8250_port [2023-11-23 21:19:05,210 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2023-11-23 21:19:05,210 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2023-11-23 21:19:05,210 INFO L130 BoogieDeclarations]: Found specification of procedure uart_write_wakeup [2023-11-23 21:19:05,210 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_write_wakeup [2023-11-23 21:19:05,210 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-11-23 21:19:05,210 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-11-23 21:19:05,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 21:19:05,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 21:19:05,211 INFO L130 BoogieDeclarations]: Found specification of procedure serial_icr_read [2023-11-23 21:19:05,211 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_icr_read [2023-11-23 21:19:05,211 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_break_ctl [2023-11-23 21:19:05,211 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_break_ctl [2023-11-23 21:19:05,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:19:05,211 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_pm [2023-11-23 21:19:05,211 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_pm [2023-11-23 21:19:05,212 INFO L130 BoogieDeclarations]: Found specification of procedure inb_p [2023-11-23 21:19:05,212 INFO L138 BoogieDeclarations]: Found implementation of procedure inb_p [2023-11-23 21:19:05,212 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_do_set_termios [2023-11-23 21:19:05,212 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_do_set_termios [2023-11-23 21:19:05,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:19:05,212 INFO L130 BoogieDeclarations]: Found specification of procedure uart_tx_stopped [2023-11-23 21:19:05,212 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_tx_stopped [2023-11-23 21:19:05,213 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_xmitr [2023-11-23 21:19:05,213 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_xmitr [2023-11-23 21:19:05,213 INFO L130 BoogieDeclarations]: Found specification of procedure autoconfig [2023-11-23 21:19:05,213 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconfig [2023-11-23 21:19:05,213 INFO L130 BoogieDeclarations]: Found specification of procedure serial_dl_read [2023-11-23 21:19:05,213 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_dl_read [2023-11-23 21:19:05,213 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-23 21:19:05,213 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-23 21:19:05,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:19:05,214 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2023-11-23 21:19:05,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2023-11-23 21:19:05,214 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2023-11-23 21:19:05,214 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2023-11-23 21:19:05,214 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:19:05,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:19:05,214 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-11-23 21:19:05,215 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-11-23 21:19:05,215 INFO L130 BoogieDeclarations]: Found specification of procedure serial_pnp_remove [2023-11-23 21:19:05,215 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_pnp_remove [2023-11-23 21:19:05,215 INFO L130 BoogieDeclarations]: Found specification of procedure ___ratelimit [2023-11-23 21:19:05,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ___ratelimit [2023-11-23 21:19:05,215 INFO L130 BoogieDeclarations]: Found specification of procedure uart_handle_break [2023-11-23 21:19:05,215 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_handle_break [2023-11-23 21:19:05,216 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-23 21:19:05,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-23 21:19:05,216 INFO L130 BoogieDeclarations]: Found specification of procedure serial_index [2023-11-23 21:19:05,216 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_index [2023-11-23 21:19:05,216 INFO L130 BoogieDeclarations]: Found specification of procedure __dma_rx_complete [2023-11-23 21:19:05,216 INFO L138 BoogieDeclarations]: Found implementation of procedure __dma_rx_complete [2023-11-23 21:19:05,216 INFO L130 BoogieDeclarations]: Found specification of procedure dma_async_issue_pending [2023-11-23 21:19:05,216 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_async_issue_pending [2023-11-23 21:19:05,217 INFO L130 BoogieDeclarations]: Found specification of procedure __stop_tx [2023-11-23 21:19:05,217 INFO L138 BoogieDeclarations]: Found implementation of procedure __stop_tx [2023-11-23 21:19:05,217 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_start [2023-11-23 21:19:05,217 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_start [2023-11-23 21:19:05,217 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_config_port [2023-11-23 21:19:05,217 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_config_port [2023-11-23 21:19:05,217 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-23 21:19:05,217 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-23 21:19:05,218 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-23 21:19:05,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-23 21:19:05,218 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_resume [2023-11-23 21:19:05,218 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_resume [2023-11-23 21:19:05,218 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_shutdown [2023-11-23 21:19:05,218 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_shutdown [2023-11-23 21:19:05,218 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~X~$Pointer$~TO~VOID [2023-11-23 21:19:05,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~X~$Pointer$~TO~VOID [2023-11-23 21:19:05,219 INFO L130 BoogieDeclarations]: Found specification of procedure autoconfig_has_efr [2023-11-23 21:19:05,219 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconfig_has_efr [2023-11-23 21:19:05,219 INFO L130 BoogieDeclarations]: Found specification of procedure __enable_rsa [2023-11-23 21:19:05,219 INFO L138 BoogieDeclarations]: Found implementation of procedure __enable_rsa [2023-11-23 21:19:05,219 INFO L130 BoogieDeclarations]: Found specification of procedure serial_pnp_resume [2023-11-23 21:19:05,219 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_pnp_resume [2023-11-23 21:19:05,219 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_request_std_resource [2023-11-23 21:19:05,219 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_request_std_resource [2023-11-23 21:19:05,219 INFO L130 BoogieDeclarations]: Found specification of procedure outb_p [2023-11-23 21:19:05,220 INFO L138 BoogieDeclarations]: Found implementation of procedure outb_p [2023-11-23 21:19:05,220 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_slave_config [2023-11-23 21:19:05,220 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_slave_config [2023-11-23 21:19:05,220 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_rx_dma [2023-11-23 21:19:05,220 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_rx_dma [2023-11-23 21:19:05,220 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-23 21:19:05,220 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-23 21:19:05,220 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-11-23 21:19:05,221 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-11-23 21:19:05,221 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_resume_port [2023-11-23 21:19:05,221 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_resume_port [2023-11-23 21:19:05,221 INFO L130 BoogieDeclarations]: Found specification of procedure ns16550a_goto_highspeed [2023-11-23 21:19:05,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ns16550a_goto_highspeed [2023-11-23 21:19:05,221 INFO L130 BoogieDeclarations]: Found specification of procedure size_fifo [2023-11-23 21:19:05,221 INFO L138 BoogieDeclarations]: Found implementation of procedure size_fifo [2023-11-23 21:19:05,221 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_get_drvdata [2023-11-23 21:19:05,221 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_get_drvdata [2023-11-23 21:19:05,222 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_remove [2023-11-23 21:19:05,222 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_remove [2023-11-23 21:19:05,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:19:05,222 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_release_port [2023-11-23 21:19:05,222 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_release_port [2023-11-23 21:19:05,222 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2023-11-23 21:19:05,222 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2023-11-23 21:19:05,222 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_enable_ms [2023-11-23 21:19:05,223 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_enable_ms [2023-11-23 21:19:05,223 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_terminate_all [2023-11-23 21:19:05,223 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_terminate_all [2023-11-23 21:19:05,223 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_valid [2023-11-23 21:19:05,223 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_valid [2023-11-23 21:19:05,223 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_set_sleep [2023-11-23 21:19:05,223 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_set_sleep [2023-11-23 21:19:05,223 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_init_fixed_type_port [2023-11-23 21:19:05,224 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_init_fixed_type_port [2023-11-23 21:19:05,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:19:05,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:19:05,224 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2023-11-23 21:19:05,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2023-11-23 21:19:06,231 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:19:06,241 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:19:07,548 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-23 21:19:29,924 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:19:36,586 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:19:36,586 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 21:19:36,591 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:19:36 BoogieIcfgContainer [2023-11-23 21:19:36,591 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:19:36,597 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:19:36,597 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:19:36,601 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:19:36,601 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:19:00" (1/3) ... [2023-11-23 21:19:36,602 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c663bec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:19:36, skipping insertion in model container [2023-11-23 21:19:36,602 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:03" (2/3) ... [2023-11-23 21:19:36,604 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c663bec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:19:36, skipping insertion in model container [2023-11-23 21:19:36,605 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:19:36" (3/3) ... [2023-11-23 21:19:36,608 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 [2023-11-23 21:19:36,635 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:19:36,635 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:19:36,783 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:19:36,793 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;@3fdb64a8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:19:36,793 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:19:36,812 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) [2023-11-23 21:19:36,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-11-23 21:19:36,897 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:19:36,899 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] [2023-11-23 21:19:36,900 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:19:36,910 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:19:36,910 INFO L85 PathProgramCache]: Analyzing trace with hash -1322994568, now seen corresponding path program 1 times [2023-11-23 21:19:36,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:19:36,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418059463] [2023-11-23 21:19:36,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:19:36,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:19:37,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:19:38,785 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2023-11-23 21:19:38,786 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:19:38,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418059463] [2023-11-23 21:19:38,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1418059463] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:19:38,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:19:38,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:19:38,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419006210] [2023-11-23 21:19:38,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:19:38,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:19:38,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:19:38,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:19:38,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:19:38,848 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) [2023-11-23 21:19:40,865 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:19:43,937 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:19:46,065 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []