./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--mediatek--mt7601u--mt7601u.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5869e191-ab92-4a13-9ac5-85eff5a7f73c/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5869e191-ab92-4a13-9ac5-85eff5a7f73c/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5869e191-ab92-4a13-9ac5-85eff5a7f73c/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5869e191-ab92-4a13-9ac5-85eff5a7f73c/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--mediatek--mt7601u--mt7601u.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5869e191-ab92-4a13-9ac5-85eff5a7f73c/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5869e191-ab92-4a13-9ac5-85eff5a7f73c/bin/utaipan-verify-nQ1chXbOIh --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 9f23cfa62b71a2e5a51fffc3a30328961f014d6aa87a85f8537d47b2cd2ac62e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 14:14:09,420 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 14:14:09,486 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5869e191-ab92-4a13-9ac5-85eff5a7f73c/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-12-02 14:14:09,490 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 14:14:09,491 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 14:14:09,516 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 14:14:09,516 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 14:14:09,517 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 14:14:09,518 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 14:14:09,518 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 14:14:09,519 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 14:14:09,519 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 14:14:09,520 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 14:14:09,520 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 14:14:09,520 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 14:14:09,521 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 14:14:09,521 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 14:14:09,522 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 14:14:09,522 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 14:14:09,523 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 14:14:09,523 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 14:14:09,524 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 14:14:09,525 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 14:14:09,525 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 14:14:09,525 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 14:14:09,526 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 14:14:09,526 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 14:14:09,527 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 14:14:09,527 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 14:14:09,527 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 14:14:09,528 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 14:14:09,528 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 14:14:09,529 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 14:14:09,529 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 14:14:09,530 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 14:14:09,530 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 14:14:09,530 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 14:14:09,530 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 14:14:09,531 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 14:14:09,531 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 14:14:09,531 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 14:14:09,531 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 14:14:09,531 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 14:14:09,532 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 14:14:09,532 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_5869e191-ab92-4a13-9ac5-85eff5a7f73c/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5869e191-ab92-4a13-9ac5-85eff5a7f73c/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f23cfa62b71a2e5a51fffc3a30328961f014d6aa87a85f8537d47b2cd2ac62e [2023-12-02 14:14:09,776 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 14:14:09,797 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 14:14:09,799 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 14:14:09,800 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 14:14:09,801 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 14:14:09,802 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5869e191-ab92-4a13-9ac5-85eff5a7f73c/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--mediatek--mt7601u--mt7601u.ko-entry_point.cil.out.i [2023-12-02 14:14:12,566 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 14:14:13,304 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 14:14:13,305 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5869e191-ab92-4a13-9ac5-85eff5a7f73c/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--mediatek--mt7601u--mt7601u.ko-entry_point.cil.out.i [2023-12-02 14:14:13,377 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5869e191-ab92-4a13-9ac5-85eff5a7f73c/bin/utaipan-verify-nQ1chXbOIh/data/0333787e5/8ffaf7240b8e4641b24f32672a8100af/FLAGe839dab1e [2023-12-02 14:14:13,391 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5869e191-ab92-4a13-9ac5-85eff5a7f73c/bin/utaipan-verify-nQ1chXbOIh/data/0333787e5/8ffaf7240b8e4641b24f32672a8100af [2023-12-02 14:14:13,394 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 14:14:13,395 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 14:14:13,397 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 14:14:13,397 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 14:14:13,402 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 14:14:13,402 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:14:13" (1/1) ... [2023-12-02 14:14:13,404 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68589966 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:14:13, skipping insertion in model container [2023-12-02 14:14:13,404 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:14:13" (1/1) ... [2023-12-02 14:14:13,693 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 14:14:21,899 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_5869e191-ab92-4a13-9ac5-85eff5a7f73c/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--mediatek--mt7601u--mt7601u.ko-entry_point.cil.out.i[766015,766028] [2023-12-02 14:14:22,494 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 14:14:22,572 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 14:14:22,710 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8358] [2023-12-02 14:14:22,712 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8360] [2023-12-02 14:14:22,713 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"); [8371] [2023-12-02 14:14:22,715 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" (831), "i" (12UL)); [8402-8403] [2023-12-02 14:14:22,715 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" (43UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [8408-8410] [2023-12-02 14:14:22,719 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%1,%0": "=q" (pfo_ret__): "m" (__preempt_count)); [8550] [2023-12-02 14:14:22,720 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [8553] [2023-12-02 14:14:22,720 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [8556] [2023-12-02 14:14:22,721 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [8559] [2023-12-02 14:14:22,721 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%0": "+m" (__preempt_count)); [8576] [2023-12-02 14:14:22,722 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%0": "+m" (__preempt_count)); [8579] [2023-12-02 14:14:22,722 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%0": "+m" (__preempt_count): "qi" (val)); [8581] [2023-12-02 14:14:22,723 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%0": "+m" (__preempt_count)); [8586] [2023-12-02 14:14:22,723 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%0": "+m" (__preempt_count)); [8589] [2023-12-02 14:14:22,724 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%0": "+m" (__preempt_count): "ri" (val)); [8591] [2023-12-02 14:14:22,724 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%0": "+m" (__preempt_count)); [8596] [2023-12-02 14:14:22,725 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%0": "+m" (__preempt_count)); [8599] [2023-12-02 14:14:22,725 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%0": "+m" (__preempt_count): "ri" (val)); [8601] [2023-12-02 14:14:22,725 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%0": "+m" (__preempt_count)); [8606] [2023-12-02 14:14:22,726 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%0": "+m" (__preempt_count)); [8609] [2023-12-02 14:14:22,726 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%0": "+m" (__preempt_count): "re" (val)); [8611] [2023-12-02 14:14:22,726 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%0": "+m" (__preempt_count)); [8629] [2023-12-02 14:14:22,727 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%0": "+m" (__preempt_count)); [8632] [2023-12-02 14:14:22,727 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%0": "+m" (__preempt_count): "qi" (- val)); [8634] [2023-12-02 14:14:22,727 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%0": "+m" (__preempt_count)); [8639] [2023-12-02 14:14:22,728 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%0": "+m" (__preempt_count)); [8642] [2023-12-02 14:14:22,728 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%0": "+m" (__preempt_count): "ri" (- val)); [8644] [2023-12-02 14:14:22,728 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%0": "+m" (__preempt_count)); [8649] [2023-12-02 14:14:22,728 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%0": "+m" (__preempt_count)); [8652] [2023-12-02 14:14:22,729 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%0": "+m" (__preempt_count): "ri" (- val)); [8654] [2023-12-02 14:14:22,729 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%0": "+m" (__preempt_count)); [8659] [2023-12-02 14:14:22,729 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%0": "+m" (__preempt_count)); [8662] [2023-12-02 14:14:22,729 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%0": "+m" (__preempt_count): "re" (- val)); [8664] [2023-12-02 14:14:22,732 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8767] [2023-12-02 14:14:22,732 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8774] [2023-12-02 14:14:22,779 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [10687] [2023-12-02 14:14:22,779 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %2, %0; setc %1": "+m" (*addr), "=qm" (c): "Ir" (nr): "memory"); [10695-10696] [2023-12-02 14:14:22,809 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bsfl %1,%0": "=r" (r): "rm" (x), "0" (-1)); [12399] [2023-12-02 14:14:22,810 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%0": "+m" (__preempt_count)); [12437] [2023-12-02 14:14:22,810 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%0": "+m" (__preempt_count)); [12440] [2023-12-02 14:14:22,810 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%0": "+m" (__preempt_count): "qi" (val)); [12442] [2023-12-02 14:14:22,811 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%0": "+m" (__preempt_count)); [12447] [2023-12-02 14:14:22,811 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%0": "+m" (__preempt_count)); [12450] [2023-12-02 14:14:22,811 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%0": "+m" (__preempt_count): "ri" (val)); [12452] [2023-12-02 14:14:22,812 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%0": "+m" (__preempt_count)); [12457] [2023-12-02 14:14:22,812 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%0": "+m" (__preempt_count)); [12460] [2023-12-02 14:14:22,812 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%0": "+m" (__preempt_count): "ri" (val)); [12462] [2023-12-02 14:14:22,813 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%0": "+m" (__preempt_count)); [12467] [2023-12-02 14:14:22,813 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%0": "+m" (__preempt_count)); [12470] [2023-12-02 14:14:22,813 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%0": "+m" (__preempt_count): "re" (val)); [12472] [2023-12-02 14:14:22,813 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%0": "+m" (__preempt_count)); [12490] [2023-12-02 14:14:22,814 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%0": "+m" (__preempt_count)); [12493] [2023-12-02 14:14:22,814 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%0": "+m" (__preempt_count): "qi" (- val)); [12495] [2023-12-02 14:14:22,814 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%0": "+m" (__preempt_count)); [12500] [2023-12-02 14:14:22,814 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%0": "+m" (__preempt_count)); [12503] [2023-12-02 14:14:22,815 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%0": "+m" (__preempt_count): "ri" (- val)); [12505] [2023-12-02 14:14:22,815 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%0": "+m" (__preempt_count)); [12510] [2023-12-02 14:14:22,815 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%0": "+m" (__preempt_count)); [12513] [2023-12-02 14:14:22,815 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%0": "+m" (__preempt_count): "ri" (- val)); [12515] [2023-12-02 14:14:22,816 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%0": "+m" (__preempt_count)); [12520] [2023-12-02 14:14:22,816 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%0": "+m" (__preempt_count)); [12523] [2023-12-02 14:14:22,816 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%0": "+m" (__preempt_count): "re" (- val)); [12525] [2023-12-02 14:14:22,817 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [12539] [2023-12-02 14:14:22,817 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [12546] [2023-12-02 14:14:22,826 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [12914] [2023-12-02 14:14:22,827 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [12942] [2023-12-02 14:14:22,840 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" (831), "i" (12UL)); [13769-13770] [2023-12-02 14:14:22,840 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" (43UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [13775-13777] [2023-12-02 14:14:22,842 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/linux/skbuff.h"), "i" (1696), "i" (12UL)); [13925-13926] [2023-12-02 14:14:22,947 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %2, %0; setc %1": "+m" (*addr), "=qm" (c): "Ir" (nr): "memory"); [17346-17347] [2023-12-02 14:14:22,948 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" (831), "i" (12UL)); [17376-17377] [2023-12-02 14:14:22,948 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" (43UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [17382-17384] [2023-12-02 14:14:22,949 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; incl %0": "+m" (v->counter)); [17392] [2023-12-02 14:14:22,949 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%1,%0": "=q" (pfo_ret__): "m" (__preempt_count)); [17409] [2023-12-02 14:14:22,949 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [17412] [2023-12-02 14:14:22,949 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [17415] [2023-12-02 14:14:22,950 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [17418] [2023-12-02 14:14:22,950 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%0": "+m" (__preempt_count)); [17435] [2023-12-02 14:14:22,950 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%0": "+m" (__preempt_count)); [17438] [2023-12-02 14:14:22,950 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%0": "+m" (__preempt_count): "qi" (val)); [17440] [2023-12-02 14:14:22,951 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%0": "+m" (__preempt_count)); [17445] [2023-12-02 14:14:22,951 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%0": "+m" (__preempt_count)); [17448] [2023-12-02 14:14:22,951 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%0": "+m" (__preempt_count): "ri" (val)); [17450] [2023-12-02 14:14:22,952 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%0": "+m" (__preempt_count)); [17455] [2023-12-02 14:14:22,952 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%0": "+m" (__preempt_count)); [17458] [2023-12-02 14:14:22,952 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%0": "+m" (__preempt_count): "ri" (val)); [17460] [2023-12-02 14:14:22,952 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%0": "+m" (__preempt_count)); [17465] [2023-12-02 14:14:22,952 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%0": "+m" (__preempt_count)); [17468] [2023-12-02 14:14:22,953 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%0": "+m" (__preempt_count): "re" (val)); [17470] [2023-12-02 14:14:22,953 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%0": "+m" (__preempt_count)); [17488] [2023-12-02 14:14:22,953 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%0": "+m" (__preempt_count)); [17491] [2023-12-02 14:14:22,953 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%0": "+m" (__preempt_count): "qi" (- val)); [17493] [2023-12-02 14:14:22,954 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%0": "+m" (__preempt_count)); [17498] [2023-12-02 14:14:22,954 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%0": "+m" (__preempt_count)); [17501] [2023-12-02 14:14:22,954 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%0": "+m" (__preempt_count): "ri" (- val)); [17503] [2023-12-02 14:14:22,954 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%0": "+m" (__preempt_count)); [17508] [2023-12-02 14:14:22,954 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%0": "+m" (__preempt_count)); [17511] [2023-12-02 14:14:22,955 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%0": "+m" (__preempt_count): "ri" (- val)); [17513] [2023-12-02 14:14:22,955 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%0": "+m" (__preempt_count)); [17518] [2023-12-02 14:14:22,955 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%0": "+m" (__preempt_count)); [17521] [2023-12-02 14:14:22,956 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%0": "+m" (__preempt_count): "re" (- val)); [17523] [2023-12-02 14:14:22,957 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [17624] [2023-12-02 14:14:22,957 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [17631] [2023-12-02 14:14:22,958 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%1,%0": "=q" (pfo_ret__): "m" (numa_node)); [17671] [2023-12-02 14:14:22,958 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%1,%0": "=r" (pfo_ret__): "m" (numa_node)); [17674] [2023-12-02 14:14:22,958 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%1,%0": "=r" (pfo_ret__): "m" (numa_node)); [17677] [2023-12-02 14:14:22,959 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%1,%0": "=r" (pfo_ret__): "m" (numa_node)); [17680] [2023-12-02 14:14:22,959 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%1,%0": "=q" (pfo_ret_____0): "m" (numa_node)); [17691] [2023-12-02 14:14:22,959 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%1,%0": "=r" (pfo_ret_____0): "m" (numa_node)); [17694] [2023-12-02 14:14:22,959 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%1,%0": "=r" (pfo_ret_____0): "m" (numa_node)); [17697] [2023-12-02 14:14:22,960 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%1,%0": "=r" (pfo_ret_____0): "m" (numa_node)); [17700] [2023-12-02 14:14:22,960 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%1,%0": "=q" (pfo_ret_____1): "m" (numa_node)); [17711] [2023-12-02 14:14:22,960 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%1,%0": "=r" (pfo_ret_____1): "m" (numa_node)); [17714] [2023-12-02 14:14:22,961 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%1,%0": "=r" (pfo_ret_____1): "m" (numa_node)); [17717] [2023-12-02 14:14:22,961 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%1,%0": "=r" (pfo_ret_____1): "m" (numa_node)); [17720] [2023-12-02 14:14:22,961 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%1,%0": "=q" (pfo_ret_____2): "m" (numa_node)); [17731] [2023-12-02 14:14:22,962 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%1,%0": "=r" (pfo_ret_____2): "m" (numa_node)); [17734] [2023-12-02 14:14:22,962 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%1,%0": "=r" (pfo_ret_____2): "m" (numa_node)); [17737] [2023-12-02 14:14:22,962 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%1,%0": "=r" (pfo_ret_____2): "m" (numa_node)); [17740] [2023-12-02 14:14:22,965 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/linux/mm.h"), "i" (543), "i" (12UL)); [17872-17873] [2023-12-02 14:14:22,966 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/linux/skbuff.h"), "i" (1696), "i" (12UL)); [17902-17903] [2023-12-02 14:14:23,024 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bsrl %1,%0": "=r" (r): "rm" (x), "0" (-1)); [20243] [2023-12-02 14:14:23,025 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" (831), "i" (12UL)); [20265-20266] [2023-12-02 14:14:23,026 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" (43UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [20271-20273] [2023-12-02 14:14:23,026 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%1,%0": "=q" (pfo_ret__): "m" (__preempt_count)); [20303] [2023-12-02 14:14:23,027 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [20306] [2023-12-02 14:14:23,027 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [20309] [2023-12-02 14:14:23,027 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [20312] [2023-12-02 14:14:23,028 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%0": "+m" (__preempt_count)); [20329] [2023-12-02 14:14:23,028 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%0": "+m" (__preempt_count)); [20332] [2023-12-02 14:14:23,028 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%0": "+m" (__preempt_count): "qi" (val)); [20334] [2023-12-02 14:14:23,028 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%0": "+m" (__preempt_count)); [20339] [2023-12-02 14:14:23,029 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%0": "+m" (__preempt_count)); [20342] [2023-12-02 14:14:23,029 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%0": "+m" (__preempt_count): "ri" (val)); [20344] [2023-12-02 14:14:23,029 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%0": "+m" (__preempt_count)); [20349] [2023-12-02 14:14:23,029 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%0": "+m" (__preempt_count)); [20352] [2023-12-02 14:14:23,029 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%0": "+m" (__preempt_count): "ri" (val)); [20354] [2023-12-02 14:14:23,030 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%0": "+m" (__preempt_count)); [20359] [2023-12-02 14:14:23,030 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%0": "+m" (__preempt_count)); [20362] [2023-12-02 14:14:23,030 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%0": "+m" (__preempt_count): "re" (val)); [20364] [2023-12-02 14:14:23,030 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%0": "+m" (__preempt_count)); [20382] [2023-12-02 14:14:23,031 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%0": "+m" (__preempt_count)); [20385] [2023-12-02 14:14:23,031 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%0": "+m" (__preempt_count): "qi" (- val)); [20387] [2023-12-02 14:14:23,031 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%0": "+m" (__preempt_count)); [20392] [2023-12-02 14:14:23,031 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%0": "+m" (__preempt_count)); [20395] [2023-12-02 14:14:23,032 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%0": "+m" (__preempt_count): "ri" (- val)); [20397] [2023-12-02 14:14:23,032 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%0": "+m" (__preempt_count)); [20402] [2023-12-02 14:14:23,032 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%0": "+m" (__preempt_count)); [20405] [2023-12-02 14:14:23,032 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%0": "+m" (__preempt_count): "ri" (- val)); [20407] [2023-12-02 14:14:23,033 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%0": "+m" (__preempt_count)); [20412] [2023-12-02 14:14:23,033 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%0": "+m" (__preempt_count)); [20415] [2023-12-02 14:14:23,033 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%0": "+m" (__preempt_count): "re" (- val)); [20417] [2023-12-02 14:14:23,035 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [20509] [2023-12-02 14:14:23,035 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [20516] [2023-12-02 14:14:23,122 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" (831), "i" (12UL)); [23811-23812] [2023-12-02 14:14:23,122 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" (43UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [23817-23819] [2023-12-02 14:14:23,175 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" (831), "i" (12UL)); [25931-25932] [2023-12-02 14:14:23,175 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" (43UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [25937-25939] [2023-12-02 14:14:23,190 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_5869e191-ab92-4a13-9ac5-85eff5a7f73c/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--mediatek--mt7601u--mt7601u.ko-entry_point.cil.out.i[766015,766028] [2023-12-02 14:14:23,206 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 14:14:23,728 WARN L675 CHandler]: The function __bad_size_call_parameter is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 14:14:23,728 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 14:14:23,736 INFO L206 MainTranslator]: Completed translation [2023-12-02 14:14:23,737 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:14:23 WrapperNode [2023-12-02 14:14:23,737 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 14:14:23,738 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 14:14:23,738 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 14:14:23,738 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 14:14:23,746 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:14:23" (1/1) ... [2023-12-02 14:14:23,914 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:14:23" (1/1) ... [2023-12-02 14:14:24,359 INFO L138 Inliner]: procedures = 977, calls = 8330, calls flagged for inlining = 436, calls inlined = 369, statements flattened = 18851 [2023-12-02 14:14:24,360 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 14:14:24,361 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 14:14:24,361 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 14:14:24,361 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 14:14:24,379 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:14:23" (1/1) ... [2023-12-02 14:14:24,387 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:14:23" (1/1) ... [2023-12-02 14:14:24,472 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:14:23" (1/1) ... [2023-12-02 14:14:24,474 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:14:23" (1/1) ... [2023-12-02 14:14:24,910 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:14:23" (1/1) ... [2023-12-02 14:14:24,983 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:14:23" (1/1) ... [2023-12-02 14:14:25,133 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:14:23" (1/1) ... [2023-12-02 14:14:25,167 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:14:23" (1/1) ... [2023-12-02 14:14:25,292 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 14:14:25,293 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 14:14:25,293 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 14:14:25,293 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 14:14:25,294 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:14:23" (1/1) ... [2023-12-02 14:14:25,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 14:14:25,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5869e191-ab92-4a13-9ac5-85eff5a7f73c/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:14:25,324 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5869e191-ab92-4a13-9ac5-85eff5a7f73c/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 14:14:25,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5869e191-ab92-4a13-9ac5-85eff5a7f73c/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 14:14:25,355 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2023-12-02 14:14:25,356 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2023-12-02 14:14:25,356 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2023-12-02 14:14:25,356 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2023-12-02 14:14:25,356 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lockdep_current_cpu_online [2023-12-02 14:14:25,356 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lockdep_current_cpu_online [2023-12-02 14:14:25,356 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_txskb [2023-12-02 14:14:25,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_txskb [2023-12-02 14:14:25,356 INFO L130 BoogieDeclarations]: Found specification of procedure s6_to_int [2023-12-02 14:14:25,357 INFO L138 BoogieDeclarations]: Found implementation of procedure s6_to_int [2023-12-02 14:14:25,357 INFO L130 BoogieDeclarations]: Found specification of procedure mt7601u_urb_has_error [2023-12-02 14:14:25,357 INFO L138 BoogieDeclarations]: Found implementation of procedure mt7601u_urb_has_error [2023-12-02 14:14:25,357 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pad [2023-12-02 14:14:25,357 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pad [2023-12-02 14:14:25,357 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u8~0~X~~u8~0~X~~u8~0~TO~VOID [2023-12-02 14:14:25,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u8~0~X~~u8~0~X~~u8~0~TO~VOID [2023-12-02 14:14:25,357 INFO L130 BoogieDeclarations]: Found specification of procedure mt7601u_mac_set_ampdu_factor [2023-12-02 14:14:25,357 INFO L138 BoogieDeclarations]: Found implementation of procedure mt7601u_mac_set_ampdu_factor [2023-12-02 14:14:25,357 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_vendor_req_mutex_of_mt7601u_dev [2023-12-02 14:14:25,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_vendor_req_mutex_of_mt7601u_dev [2023-12-02 14:14:25,357 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-12-02 14:14:25,357 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-12-02 14:14:25,358 INFO L130 BoogieDeclarations]: Found specification of procedure mt76_clear [2023-12-02 14:14:25,358 INFO L138 BoogieDeclarations]: Found implementation of procedure mt76_clear [2023-12-02 14:14:25,358 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_mt7601u_mcu [2023-12-02 14:14:25,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_mt7601u_mcu [2023-12-02 14:14:25,358 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_hw_atomic_mutex_of_mt7601u_dev [2023-12-02 14:14:25,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_hw_atomic_mutex_of_mt7601u_dev [2023-12-02 14:14:25,358 INFO L130 BoogieDeclarations]: Found specification of procedure mt76_rmw [2023-12-02 14:14:25,358 INFO L138 BoogieDeclarations]: Found implementation of procedure mt76_rmw [2023-12-02 14:14:25,358 INFO L130 BoogieDeclarations]: Found specification of procedure trace_seq_printf [2023-12-02 14:14:25,358 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_seq_printf [2023-12-02 14:14:25,358 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lock_release [2023-12-02 14:14:25,359 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lock_release [2023-12-02 14:14:25,359 INFO L130 BoogieDeclarations]: Found specification of procedure mt7601u_rf_rmw [2023-12-02 14:14:25,359 INFO L138 BoogieDeclarations]: Found implementation of procedure mt7601u_rf_rmw [2023-12-02 14:14:25,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_reg_atomic_mutex_of_mt7601u_dev [2023-12-02 14:14:25,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_reg_atomic_mutex_of_mt7601u_dev [2023-12-02 14:14:25,359 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u8~0~TO~VOID [2023-12-02 14:14:25,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u8~0~TO~VOID [2023-12-02 14:14:25,359 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2023-12-02 14:14:25,359 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2023-12-02 14:14:25,360 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-12-02 14:14:25,360 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-12-02 14:14:25,360 INFO L130 BoogieDeclarations]: Found specification of procedure mt7601u_set_bw_filter [2023-12-02 14:14:25,360 INFO L138 BoogieDeclarations]: Found implementation of procedure mt7601u_set_bw_filter [2023-12-02 14:14:25,360 INFO L130 BoogieDeclarations]: Found specification of procedure mt7601u_bbp_rmc [2023-12-02 14:14:25,360 INFO L138 BoogieDeclarations]: Found implementation of procedure mt7601u_bbp_rmc [2023-12-02 14:14:25,360 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-12-02 14:14:25,360 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-12-02 14:14:25,360 INFO L130 BoogieDeclarations]: Found specification of procedure mt7601u_bbp_rmw [2023-12-02 14:14:25,361 INFO L138 BoogieDeclarations]: Found implementation of procedure mt7601u_bbp_rmw [2023-12-02 14:14:25,361 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock_sched_notrace___1 [2023-12-02 14:14:25,361 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock_sched_notrace___1 [2023-12-02 14:14:25,361 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_delayed_work [2023-12-02 14:14:25,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_delayed_work [2023-12-02 14:14:25,361 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock_sched_notrace___2 [2023-12-02 14:14:25,361 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock_sched_notrace___2 [2023-12-02 14:14:25,361 INFO L130 BoogieDeclarations]: Found specification of procedure mt7601u_sta_add [2023-12-02 14:14:25,361 INFO L138 BoogieDeclarations]: Found implementation of procedure mt7601u_sta_add [2023-12-02 14:14:25,362 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2023-12-02 14:14:25,362 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2023-12-02 14:14:25,362 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-12-02 14:14:25,362 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-12-02 14:14:25,362 INFO L130 BoogieDeclarations]: Found specification of procedure mt7601u_vendor_single_wr [2023-12-02 14:14:25,362 INFO L138 BoogieDeclarations]: Found implementation of procedure mt7601u_vendor_single_wr [2023-12-02 14:14:25,362 INFO L130 BoogieDeclarations]: Found specification of procedure trace_event_raw_init [2023-12-02 14:14:25,362 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_event_raw_init [2023-12-02 14:14:25,362 INFO L130 BoogieDeclarations]: Found specification of procedure mt7601u_set_rts_threshold [2023-12-02 14:14:25,362 INFO L138 BoogieDeclarations]: Found implementation of procedure mt7601u_set_rts_threshold [2023-12-02 14:14:25,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 14:14:25,363 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2023-12-02 14:14:25,363 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2023-12-02 14:14:25,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_vendor_req_mutex_of_mt7601u_dev [2023-12-02 14:14:25,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_vendor_req_mutex_of_mt7601u_dev [2023-12-02 14:14:25,363 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_copy [2023-12-02 14:14:25,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_copy [2023-12-02 14:14:25,363 INFO L130 BoogieDeclarations]: Found specification of procedure mt7601u_config [2023-12-02 14:14:25,363 INFO L138 BoogieDeclarations]: Found implementation of procedure mt7601u_config [2023-12-02 14:14:25,364 INFO L130 BoogieDeclarations]: Found specification of procedure mt7601u_bbp_rr [2023-12-02 14:14:25,364 INFO L138 BoogieDeclarations]: Found implementation of procedure mt7601u_bbp_rr [2023-12-02 14:14:25,364 INFO L130 BoogieDeclarations]: Found specification of procedure mt76_rr [2023-12-02 14:14:25,364 INFO L138 BoogieDeclarations]: Found implementation of procedure mt76_rr [2023-12-02 14:14:25,364 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-12-02 14:14:25,364 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-12-02 14:14:25,364 INFO L130 BoogieDeclarations]: Found specification of procedure s6_validate [2023-12-02 14:14:25,364 INFO L138 BoogieDeclarations]: Found implementation of procedure s6_validate [2023-12-02 14:14:25,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-12-02 14:14:25,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-12-02 14:14:25,365 INFO L130 BoogieDeclarations]: Found specification of procedure mt7601u_usb_free_buf [2023-12-02 14:14:25,365 INFO L138 BoogieDeclarations]: Found implementation of procedure mt7601u_usb_free_buf [2023-12-02 14:14:25,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 14:14:25,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 14:14:25,365 INFO L130 BoogieDeclarations]: Found specification of procedure field_valid [2023-12-02 14:14:25,365 INFO L138 BoogieDeclarations]: Found implementation of procedure field_valid [2023-12-02 14:14:25,365 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-12-02 14:14:25,365 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-12-02 14:14:25,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 14:14:25,365 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-12-02 14:14:25,365 INFO L130 BoogieDeclarations]: Found specification of procedure q2hwq [2023-12-02 14:14:25,365 INFO L138 BoogieDeclarations]: Found implementation of procedure q2hwq [2023-12-02 14:14:25,365 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace [2023-12-02 14:14:25,365 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace [2023-12-02 14:14:25,366 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work___0 [2023-12-02 14:14:25,366 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work___0 [2023-12-02 14:14:25,366 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2023-12-02 14:14:25,366 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2023-12-02 14:14:25,366 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2023-12-02 14:14:25,366 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2023-12-02 14:14:25,366 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-12-02 14:14:25,366 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-12-02 14:14:25,366 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_u32 [2023-12-02 14:14:25,366 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_u32 [2023-12-02 14:14:25,366 INFO L130 BoogieDeclarations]: Found specification of procedure int_to_s6 [2023-12-02 14:14:25,368 INFO L138 BoogieDeclarations]: Found implementation of procedure int_to_s6 [2023-12-02 14:14:25,368 INFO L130 BoogieDeclarations]: Found specification of procedure mt7601u_agc_default [2023-12-02 14:14:25,368 INFO L138 BoogieDeclarations]: Found implementation of procedure mt7601u_agc_default [2023-12-02 14:14:25,369 INFO L130 BoogieDeclarations]: Found specification of procedure mt7601u_dma_cleanup [2023-12-02 14:14:25,369 INFO L138 BoogieDeclarations]: Found implementation of procedure mt7601u_dma_cleanup [2023-12-02 14:14:25,369 INFO L130 BoogieDeclarations]: Found specification of procedure lock_is_held [2023-12-02 14:14:25,369 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_is_held [2023-12-02 14:14:25,370 INFO L130 BoogieDeclarations]: Found specification of procedure mt7601u_bbp_wr [2023-12-02 14:14:25,370 INFO L138 BoogieDeclarations]: Found implementation of procedure mt7601u_bbp_wr [2023-12-02 14:14:25,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_mt7601u_dev [2023-12-02 14:14:25,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_mt7601u_dev [2023-12-02 14:14:25,370 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-12-02 14:14:25,370 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-12-02 14:14:25,370 INFO L130 BoogieDeclarations]: Found specification of procedure mt76_wr [2023-12-02 14:14:25,370 INFO L138 BoogieDeclarations]: Found implementation of procedure mt76_wr [2023-12-02 14:14:25,370 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2023-12-02 14:14:25,371 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2023-12-02 14:14:25,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 14:14:25,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 14:14:25,371 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-12-02 14:14:25,371 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-12-02 14:14:25,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-12-02 14:14:25,371 INFO L130 BoogieDeclarations]: Found specification of procedure trace_event_reg [2023-12-02 14:14:25,371 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_event_reg [2023-12-02 14:14:25,371 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2023-12-02 14:14:25,371 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2023-12-02 14:14:25,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_hw_atomic_mutex_of_mt7601u_dev [2023-12-02 14:14:25,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_hw_atomic_mutex_of_mt7601u_dev [2023-12-02 14:14:25,372 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2023-12-02 14:14:25,372 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2023-12-02 14:14:25,372 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2023-12-02 14:14:25,372 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2023-12-02 14:14:25,372 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2023-12-02 14:14:25,372 INFO L130 BoogieDeclarations]: Found specification of procedure mt7601u_usb_alloc_buf [2023-12-02 14:14:25,372 INFO L138 BoogieDeclarations]: Found implementation of procedure mt7601u_usb_alloc_buf [2023-12-02 14:14:25,372 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kmalloc [2023-12-02 14:14:25,372 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kmalloc [2023-12-02 14:14:25,373 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-12-02 14:14:25,373 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-12-02 14:14:25,373 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2023-12-02 14:14:25,373 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2023-12-02 14:14:25,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-12-02 14:14:25,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-12-02 14:14:25,373 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2023-12-02 14:14:25,373 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2023-12-02 14:14:25,373 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-02 14:14:25,374 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-02 14:14:25,374 INFO L130 BoogieDeclarations]: Found specification of procedure mt7601u_init_hardware [2023-12-02 14:14:25,374 INFO L138 BoogieDeclarations]: Found implementation of procedure mt7601u_init_hardware [2023-12-02 14:14:25,374 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-12-02 14:14:25,374 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-12-02 14:14:25,374 INFO L130 BoogieDeclarations]: Found specification of procedure mt7601u_submit_rx_buf [2023-12-02 14:14:25,374 INFO L138 BoogieDeclarations]: Found implementation of procedure mt7601u_submit_rx_buf [2023-12-02 14:14:25,374 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_held [2023-12-02 14:14:25,374 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_held [2023-12-02 14:14:25,374 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u32~0~X~~u32~0~TO~VOID [2023-12-02 14:14:25,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u32~0~X~~u32~0~TO~VOID [2023-12-02 14:14:25,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 14:14:25,375 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-12-02 14:14:25,375 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-12-02 14:14:25,375 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2023-12-02 14:14:25,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2023-12-02 14:14:25,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 14:14:25,375 INFO L130 BoogieDeclarations]: Found specification of procedure simple_attr_write [2023-12-02 14:14:25,375 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_attr_write [2023-12-02 14:14:25,375 INFO L130 BoogieDeclarations]: Found specification of procedure mt7601u_remove_interface [2023-12-02 14:14:25,376 INFO L138 BoogieDeclarations]: Found implementation of procedure mt7601u_remove_interface [2023-12-02 14:14:25,376 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_2 [2023-12-02 14:14:25,376 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_2 [2023-12-02 14:14:25,376 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_2 [2023-12-02 14:14:25,376 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_2 [2023-12-02 14:14:25,376 INFO L130 BoogieDeclarations]: Found specification of procedure trace_read_temp [2023-12-02 14:14:25,376 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_read_temp [2023-12-02 14:14:25,376 INFO L130 BoogieDeclarations]: Found specification of procedure mt7601u_mcu_cmd_deinit [2023-12-02 14:14:25,376 INFO L138 BoogieDeclarations]: Found implementation of procedure mt7601u_mcu_cmd_deinit [2023-12-02 14:14:25,376 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2023-12-02 14:14:25,377 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2023-12-02 14:14:25,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2023-12-02 14:14:25,377 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2023-12-02 14:14:25,377 INFO L130 BoogieDeclarations]: Found specification of procedure _ieee80211_hw_set [2023-12-02 14:14:25,377 INFO L138 BoogieDeclarations]: Found implementation of procedure _ieee80211_hw_set [2023-12-02 14:14:25,377 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-12-02 14:14:25,377 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-12-02 14:14:25,377 INFO L130 BoogieDeclarations]: Found specification of procedure mt7601u_mcu_msg_alloc [2023-12-02 14:14:25,377 INFO L138 BoogieDeclarations]: Found implementation of procedure mt7601u_mcu_msg_alloc [2023-12-02 14:14:25,377 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2023-12-02 14:14:25,378 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2023-12-02 14:14:25,378 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-12-02 14:14:25,378 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-12-02 14:14:25,378 INFO L130 BoogieDeclarations]: Found specification of procedure mt7601u_vco_cal [2023-12-02 14:14:25,378 INFO L138 BoogieDeclarations]: Found implementation of procedure mt7601u_vco_cal [2023-12-02 14:14:25,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_mt7601u_mcu [2023-12-02 14:14:25,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_mt7601u_mcu [2023-12-02 14:14:25,378 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2023-12-02 14:14:25,378 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2023-12-02 14:14:25,378 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_held___3 [2023-12-02 14:14:25,379 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_held___3 [2023-12-02 14:14:25,379 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_held___2 [2023-12-02 14:14:25,379 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_held___2 [2023-12-02 14:14:25,379 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_held___1 [2023-12-02 14:14:25,379 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_held___1 [2023-12-02 14:14:25,379 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_held___0 [2023-12-02 14:14:25,379 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_held___0 [2023-12-02 14:14:25,380 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u8~0~X~~u8~0~TO~VOID [2023-12-02 14:14:25,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u8~0~X~~u8~0~TO~VOID [2023-12-02 14:14:25,380 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_held___4 [2023-12-02 14:14:25,380 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_held___4 [2023-12-02 14:14:25,380 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-12-02 14:14:25,380 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-12-02 14:14:25,380 INFO L130 BoogieDeclarations]: Found specification of procedure usb_poison_urb [2023-12-02 14:14:25,380 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_poison_urb [2023-12-02 14:14:25,380 INFO L130 BoogieDeclarations]: Found specification of procedure mt7601u_rr [2023-12-02 14:14:25,380 INFO L138 BoogieDeclarations]: Found implementation of procedure mt7601u_rr [2023-12-02 14:14:25,381 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-12-02 14:14:25,381 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-12-02 14:14:25,381 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2023-12-02 14:14:25,381 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2023-12-02 14:14:25,381 INFO L130 BoogieDeclarations]: Found specification of procedure mt7601u_mac_set_ctrlch [2023-12-02 14:14:25,381 INFO L138 BoogieDeclarations]: Found implementation of procedure mt7601u_mac_set_ctrlch [2023-12-02 14:14:25,381 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2023-12-02 14:14:25,381 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2023-12-02 14:14:25,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 14:14:25,381 INFO L130 BoogieDeclarations]: Found specification of procedure mt7601u_vendor_request [2023-12-02 14:14:25,381 INFO L138 BoogieDeclarations]: Found implementation of procedure mt7601u_vendor_request [2023-12-02 14:14:25,382 INFO L130 BoogieDeclarations]: Found specification of procedure mt76_set [2023-12-02 14:14:25,382 INFO L138 BoogieDeclarations]: Found implementation of procedure mt76_set [2023-12-02 14:14:25,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_mt7601u_dev [2023-12-02 14:14:25,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_mt7601u_dev [2023-12-02 14:14:25,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-12-02 14:14:25,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-12-02 14:14:25,382 INFO L130 BoogieDeclarations]: Found specification of procedure mt7601u_tx [2023-12-02 14:14:25,382 INFO L138 BoogieDeclarations]: Found implementation of procedure mt7601u_tx [2023-12-02 14:14:25,382 INFO L130 BoogieDeclarations]: Found specification of procedure mt76_configure_filter [2023-12-02 14:14:25,382 INFO L138 BoogieDeclarations]: Found implementation of procedure mt76_configure_filter [2023-12-02 14:14:25,383 INFO L130 BoogieDeclarations]: Found specification of procedure mt7601u_wr [2023-12-02 14:14:25,383 INFO L138 BoogieDeclarations]: Found implementation of procedure mt7601u_wr [2023-12-02 14:14:25,383 INFO L130 BoogieDeclarations]: Found specification of procedure static_key_false [2023-12-02 14:14:25,383 INFO L138 BoogieDeclarations]: Found implementation of procedure static_key_false [2023-12-02 14:14:25,383 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear [2023-12-02 14:14:25,383 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear [2023-12-02 14:14:25,383 INFO L130 BoogieDeclarations]: Found specification of procedure mt7601u_mac_config_tsf [2023-12-02 14:14:25,383 INFO L138 BoogieDeclarations]: Found implementation of procedure mt7601u_mac_config_tsf [2023-12-02 14:14:25,383 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lock_acquire [2023-12-02 14:14:25,383 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lock_acquire [2023-12-02 14:14:25,383 INFO L130 BoogieDeclarations]: Found specification of procedure mt7601u_temp_comp [2023-12-02 14:14:25,383 INFO L138 BoogieDeclarations]: Found implementation of procedure mt7601u_temp_comp [2023-12-02 14:14:25,384 INFO L130 BoogieDeclarations]: Found specification of procedure mt7601u_rxdc_cal [2023-12-02 14:14:25,384 INFO L138 BoogieDeclarations]: Found implementation of procedure mt7601u_rxdc_cal [2023-12-02 14:14:25,384 INFO L130 BoogieDeclarations]: Found specification of procedure field_validate [2023-12-02 14:14:25,384 INFO L138 BoogieDeclarations]: Found implementation of procedure field_validate [2023-12-02 14:14:25,384 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_2 [2023-12-02 14:14:25,384 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_2 [2023-12-02 14:14:25,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_reg_atomic_mutex_of_mt7601u_dev [2023-12-02 14:14:25,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_reg_atomic_mutex_of_mt7601u_dev [2023-12-02 14:14:25,384 INFO L130 BoogieDeclarations]: Found specification of procedure mt7601u_resume [2023-12-02 14:14:25,384 INFO L138 BoogieDeclarations]: Found implementation of procedure mt7601u_resume [2023-12-02 14:14:25,384 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2023-12-02 14:14:25,384 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2023-12-02 14:14:25,384 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2023-12-02 14:14:25,384 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2023-12-02 14:14:25,384 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2023-12-02 14:14:25,384 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2023-12-02 14:14:25,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-12-02 14:14:25,385 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-12-02 14:14:25,385 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2023-12-02 14:14:25,385 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2023-12-02 14:14:25,385 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2023-12-02 14:14:25,385 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2023-12-02 14:14:25,385 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2023-12-02 14:14:25,385 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2023-12-02 14:14:25,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-12-02 14:14:25,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-12-02 14:14:25,385 INFO L130 BoogieDeclarations]: Found specification of procedure mt76_ampdu_action [2023-12-02 14:14:25,385 INFO L138 BoogieDeclarations]: Found implementation of procedure mt76_ampdu_action [2023-12-02 14:14:25,385 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2023-12-02 14:14:25,385 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2023-12-02 14:14:25,385 INFO L130 BoogieDeclarations]: Found specification of procedure mt7601u_addr_wr [2023-12-02 14:14:25,386 INFO L138 BoogieDeclarations]: Found implementation of procedure mt7601u_addr_wr [2023-12-02 14:14:25,386 INFO L130 BoogieDeclarations]: Found specification of procedure mt7601u_bbp_temp [2023-12-02 14:14:25,386 INFO L138 BoogieDeclarations]: Found implementation of procedure mt7601u_bbp_temp [2023-12-02 14:14:25,386 INFO L130 BoogieDeclarations]: Found specification of procedure mt7601u_mcu_function_select [2023-12-02 14:14:25,386 INFO L138 BoogieDeclarations]: Found implementation of procedure mt7601u_mcu_function_select [2023-12-02 14:14:25,386 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2023-12-02 14:14:25,386 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2023-12-02 14:14:25,386 INFO L130 BoogieDeclarations]: Found specification of procedure mt76_sta_rate_tbl_update [2023-12-02 14:14:25,386 INFO L138 BoogieDeclarations]: Found implementation of procedure mt76_sta_rate_tbl_update [2023-12-02 14:14:25,386 INFO L130 BoogieDeclarations]: Found specification of procedure mt7601u_disconnect [2023-12-02 14:14:25,386 INFO L138 BoogieDeclarations]: Found implementation of procedure mt7601u_disconnect [2023-12-02 14:14:25,387 INFO L130 BoogieDeclarations]: Found specification of procedure fls [2023-12-02 14:14:25,387 INFO L138 BoogieDeclarations]: Found implementation of procedure fls [2023-12-02 14:14:25,387 INFO L130 BoogieDeclarations]: Found specification of procedure mt7601u_chip_onoff [2023-12-02 14:14:25,387 INFO L138 BoogieDeclarations]: Found implementation of procedure mt7601u_chip_onoff [2023-12-02 14:14:25,387 INFO L130 BoogieDeclarations]: Found specification of procedure mt7601u_set_key [2023-12-02 14:14:25,387 INFO L138 BoogieDeclarations]: Found implementation of procedure mt7601u_set_key [2023-12-02 14:14:25,387 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-12-02 14:14:25,387 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-12-02 14:14:25,387 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock___0 [2023-12-02 14:14:25,387 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock___0 [2023-12-02 14:14:25,387 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace___2 [2023-12-02 14:14:25,387 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace___2 [2023-12-02 14:14:25,387 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace___1 [2023-12-02 14:14:25,387 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace___1 [2023-12-02 14:14:25,387 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_num [2023-12-02 14:14:25,387 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_num [2023-12-02 14:14:25,388 INFO L130 BoogieDeclarations]: Found specification of procedure mt7601u_bbp_set_bw [2023-12-02 14:14:25,388 INFO L138 BoogieDeclarations]: Found implementation of procedure mt7601u_bbp_set_bw [2023-12-02 14:14:25,388 INFO L130 BoogieDeclarations]: Found specification of procedure mt76_mac_wcid_set_key [2023-12-02 14:14:25,388 INFO L138 BoogieDeclarations]: Found implementation of procedure mt76_mac_wcid_set_key [2023-12-02 14:14:25,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 14:14:25,388 INFO L130 BoogieDeclarations]: Found specification of procedure mt7601u_bbp_set_ctrlch [2023-12-02 14:14:25,388 INFO L138 BoogieDeclarations]: Found implementation of procedure mt7601u_bbp_set_ctrlch [2023-12-02 14:14:25,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-12-02 14:14:25,388 INFO L130 BoogieDeclarations]: Found specification of procedure mt7601u_rf_wr [2023-12-02 14:14:25,388 INFO L138 BoogieDeclarations]: Found implementation of procedure mt7601u_rf_wr [2023-12-02 14:14:25,388 INFO L130 BoogieDeclarations]: Found specification of procedure trace_raw_output_prep [2023-12-02 14:14:25,388 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_raw_output_prep [2023-12-02 14:14:25,388 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-12-02 14:14:25,388 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-12-02 14:14:25,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-12-02 14:14:25,388 INFO L130 BoogieDeclarations]: Found specification of procedure mt7601u_efuse_read [2023-12-02 14:14:25,388 INFO L138 BoogieDeclarations]: Found implementation of procedure mt7601u_efuse_read [2023-12-02 14:14:25,388 INFO L130 BoogieDeclarations]: Found specification of procedure mt7601u_cleanup [2023-12-02 14:14:25,389 INFO L138 BoogieDeclarations]: Found implementation of procedure mt7601u_cleanup [2023-12-02 14:14:25,389 INFO L130 BoogieDeclarations]: Found specification of procedure mt7601u_rf_rr [2023-12-02 14:14:25,389 INFO L138 BoogieDeclarations]: Found implementation of procedure mt7601u_rf_rr [2023-12-02 14:14:25,389 INFO L130 BoogieDeclarations]: Found specification of procedure skb_get_queue_mapping [2023-12-02 14:14:25,389 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_get_queue_mapping [2023-12-02 14:14:25,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-12-02 14:14:25,389 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-12-02 14:14:25,389 INFO L130 BoogieDeclarations]: Found specification of procedure mt76_mac_tx_rate_val [2023-12-02 14:14:25,389 INFO L138 BoogieDeclarations]: Found implementation of procedure mt76_mac_tx_rate_val [2023-12-02 14:14:25,389 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_pages [2023-12-02 14:14:25,389 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_pages [2023-12-02 14:14:25,389 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2023-12-02 14:14:25,389 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2023-12-02 14:14:25,389 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2023-12-02 14:14:25,389 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2023-12-02 14:14:25,389 INFO L130 BoogieDeclarations]: Found specification of procedure mt7601u_sw_scan_complete [2023-12-02 14:14:25,390 INFO L138 BoogieDeclarations]: Found implementation of procedure mt7601u_sw_scan_complete [2023-12-02 14:14:25,390 INFO L130 BoogieDeclarations]: Found specification of procedure trace_define_field [2023-12-02 14:14:25,390 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_define_field [2023-12-02 14:14:25,390 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put_le32 [2023-12-02 14:14:25,390 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put_le32 [2023-12-02 14:14:25,390 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2023-12-02 14:14:25,390 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2023-12-02 14:14:25,390 INFO L130 BoogieDeclarations]: Found specification of procedure mt7601u_wr_copy [2023-12-02 14:14:25,390 INFO L138 BoogieDeclarations]: Found implementation of procedure mt7601u_wr_copy [2023-12-02 14:14:25,390 INFO L130 BoogieDeclarations]: Found specification of procedure mt7601u_add_interface [2023-12-02 14:14:25,390 INFO L138 BoogieDeclarations]: Found implementation of procedure mt7601u_add_interface [2023-12-02 14:14:25,391 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2023-12-02 14:14:25,391 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2023-12-02 14:14:25,391 INFO L130 BoogieDeclarations]: Found specification of procedure mt7601u_usb_submit_buf [2023-12-02 14:14:25,391 INFO L138 BoogieDeclarations]: Found implementation of procedure mt7601u_usb_submit_buf [2023-12-02 14:14:25,391 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2023-12-02 14:14:25,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2023-12-02 14:14:25,391 INFO L130 BoogieDeclarations]: Found specification of procedure mt7601u_dma_fw [2023-12-02 14:14:25,391 INFO L138 BoogieDeclarations]: Found implementation of procedure mt7601u_dma_fw [2023-12-02 14:14:25,391 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-12-02 14:14:25,391 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-12-02 14:14:25,391 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-12-02 14:14:25,391 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-12-02 14:14:25,392 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-12-02 14:14:25,392 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-12-02 14:14:25,392 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2023-12-02 14:14:25,392 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2023-12-02 14:14:25,392 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2023-12-02 14:14:25,392 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2023-12-02 14:14:25,392 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2023-12-02 14:14:25,392 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2023-12-02 14:14:25,392 INFO L130 BoogieDeclarations]: Found specification of procedure lin2dBd [2023-12-02 14:14:25,392 INFO L138 BoogieDeclarations]: Found implementation of procedure lin2dBd [2023-12-02 14:14:25,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-12-02 14:14:25,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-12-02 14:14:25,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-12-02 14:14:25,393 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2023-12-02 14:14:25,393 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2023-12-02 14:14:25,393 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2023-12-02 14:14:25,393 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2023-12-02 14:14:25,393 INFO L130 BoogieDeclarations]: Found specification of procedure mt7601u_to_usb_dev [2023-12-02 14:14:25,393 INFO L138 BoogieDeclarations]: Found implementation of procedure mt7601u_to_usb_dev [2023-12-02 14:14:25,393 INFO L130 BoogieDeclarations]: Found specification of procedure mt7601u_bbp_r47_get [2023-12-02 14:14:25,393 INFO L138 BoogieDeclarations]: Found implementation of procedure mt7601u_bbp_r47_get [2023-12-02 14:14:25,393 INFO L130 BoogieDeclarations]: Found specification of procedure mt7601u_tx_stat [2023-12-02 14:14:25,393 INFO L138 BoogieDeclarations]: Found implementation of procedure mt7601u_tx_stat [2023-12-02 14:14:25,393 INFO L130 BoogieDeclarations]: Found specification of procedure mt7601u_sta_notify [2023-12-02 14:14:25,393 INFO L138 BoogieDeclarations]: Found implementation of procedure mt7601u_sta_notify [2023-12-02 14:14:25,394 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2023-12-02 14:14:25,394 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2023-12-02 14:14:25,394 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2023-12-02 14:14:25,394 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2023-12-02 14:14:25,394 INFO L130 BoogieDeclarations]: Found specification of procedure mt7601u_conf_tx [2023-12-02 14:14:25,394 INFO L138 BoogieDeclarations]: Found implementation of procedure mt7601u_conf_tx [2023-12-02 14:14:25,394 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-12-02 14:14:25,394 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-12-02 14:14:25,394 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 14:14:25,394 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 14:14:25,394 INFO L130 BoogieDeclarations]: Found specification of procedure trace_handle_return [2023-12-02 14:14:25,395 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_handle_return [2023-12-02 14:14:25,395 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_hdrlen_from_skb [2023-12-02 14:14:25,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_hdrlen_from_skb [2023-12-02 14:14:25,395 INFO L130 BoogieDeclarations]: Found specification of procedure mt7601u_mac_wcid_setup [2023-12-02 14:14:25,395 INFO L138 BoogieDeclarations]: Found implementation of procedure mt7601u_mac_wcid_setup [2023-12-02 14:14:25,395 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2023-12-02 14:14:25,395 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2023-12-02 14:14:25,395 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-12-02 14:14:25,395 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-12-02 14:14:25,395 INFO L130 BoogieDeclarations]: Found specification of procedure mt7601u_burst_write_regs [2023-12-02 14:14:25,395 INFO L138 BoogieDeclarations]: Found implementation of procedure mt7601u_burst_write_regs [2023-12-02 14:14:25,395 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock_sched_notrace [2023-12-02 14:14:25,396 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock_sched_notrace [2023-12-02 14:14:25,396 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock___0 [2023-12-02 14:14:25,396 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock___0 [2023-12-02 14:14:25,396 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2023-12-02 14:14:25,396 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2023-12-02 14:14:25,396 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2023-12-02 14:14:25,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2023-12-02 14:14:25,396 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2023-12-02 14:14:25,396 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2023-12-02 14:14:25,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-02 14:14:25,396 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-12-02 14:14:25,396 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-12-02 14:14:25,397 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count___1 [2023-12-02 14:14:25,397 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count___1 [2023-12-02 14:14:25,397 INFO L130 BoogieDeclarations]: Found specification of procedure mt7601u_write_reg_pairs [2023-12-02 14:14:25,397 INFO L138 BoogieDeclarations]: Found implementation of procedure mt7601u_write_reg_pairs [2023-12-02 14:14:25,397 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2023-12-02 14:14:25,397 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2023-12-02 14:14:25,397 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2023-12-02 14:14:25,397 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2023-12-02 14:14:25,397 INFO L130 BoogieDeclarations]: Found specification of procedure mt76_mac_get_key_info [2023-12-02 14:14:25,397 INFO L138 BoogieDeclarations]: Found implementation of procedure mt76_mac_get_key_info [2023-12-02 14:14:25,397 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2023-12-02 14:14:25,397 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2023-12-02 14:14:25,397 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2023-12-02 14:14:25,398 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2023-12-02 14:14:25,398 INFO L130 BoogieDeclarations]: Found specification of procedure mt7601u_sta_remove [2023-12-02 14:14:25,398 INFO L138 BoogieDeclarations]: Found implementation of procedure mt7601u_sta_remove [2023-12-02 14:14:25,398 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-12-02 14:14:25,398 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-12-02 14:14:25,398 INFO L130 BoogieDeclarations]: Found specification of procedure mt7601u_bss_info_changed [2023-12-02 14:14:25,398 INFO L138 BoogieDeclarations]: Found implementation of procedure mt7601u_bss_info_changed [2023-12-02 14:14:25,398 INFO L130 BoogieDeclarations]: Found specification of procedure skb_cow [2023-12-02 14:14:25,398 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_cow [2023-12-02 14:14:25,398 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-12-02 14:14:25,398 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-12-02 14:14:25,398 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2023-12-02 14:14:25,399 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2023-12-02 14:14:25,399 INFO L130 BoogieDeclarations]: Found specification of procedure mt7601u_wait_asic_ready [2023-12-02 14:14:25,399 INFO L138 BoogieDeclarations]: Found implementation of procedure mt7601u_wait_asic_ready [2023-12-02 14:14:25,399 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2023-12-02 14:14:25,399 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2023-12-02 14:14:25,399 INFO L130 BoogieDeclarations]: Found specification of procedure mt7601u_sw_scan [2023-12-02 14:14:25,399 INFO L138 BoogieDeclarations]: Found implementation of procedure mt7601u_sw_scan [2023-12-02 14:14:25,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-12-02 14:14:25,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-12-02 14:14:25,399 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2023-12-02 14:14:25,399 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2023-12-02 14:14:25,399 INFO L130 BoogieDeclarations]: Found specification of procedure mt7601u_mcu_calibrate [2023-12-02 14:14:25,399 INFO L138 BoogieDeclarations]: Found implementation of procedure mt7601u_mcu_calibrate [2023-12-02 14:14:25,400 INFO L130 BoogieDeclarations]: Found specification of procedure mt7601u_mcu_msg_send [2023-12-02 14:14:25,400 INFO L138 BoogieDeclarations]: Found implementation of procedure mt7601u_mcu_msg_send [2023-12-02 14:14:25,400 INFO L130 BoogieDeclarations]: Found specification of procedure firmware_running [2023-12-02 14:14:25,400 INFO L138 BoogieDeclarations]: Found implementation of procedure firmware_running [2023-12-02 14:14:25,400 INFO L130 BoogieDeclarations]: Found specification of procedure mt7601u_rmw [2023-12-02 14:14:25,400 INFO L138 BoogieDeclarations]: Found implementation of procedure mt7601u_rmw [2023-12-02 14:14:25,400 INFO L130 BoogieDeclarations]: Found specification of procedure mt76_poll [2023-12-02 14:14:25,400 INFO L138 BoogieDeclarations]: Found implementation of procedure mt76_poll [2023-12-02 14:14:25,400 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2023-12-02 14:14:25,400 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2023-12-02 14:14:25,400 INFO L130 BoogieDeclarations]: Found specification of procedure mt7601u_set_power_rate [2023-12-02 14:14:25,400 INFO L138 BoogieDeclarations]: Found implementation of procedure mt7601u_set_power_rate [2023-12-02 14:14:25,401 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2023-12-02 14:14:25,401 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2023-12-02 14:14:25,401 INFO L130 BoogieDeclarations]: Found specification of procedure mt7601u_has_tssi [2023-12-02 14:14:25,401 INFO L138 BoogieDeclarations]: Found implementation of procedure mt7601u_has_tssi [2023-12-02 14:14:25,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 14:14:25,401 INFO L130 BoogieDeclarations]: Found specification of procedure mt76_poll_msec [2023-12-02 14:14:25,401 INFO L138 BoogieDeclarations]: Found implementation of procedure mt76_poll_msec [2023-12-02 14:14:25,401 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2023-12-02 14:14:25,401 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2023-12-02 14:14:27,003 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 14:14:27,009 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 14:14:27,189 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-12-02 14:14:53,890 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 14:15:01,661 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 14:15:01,662 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 14:15:01,666 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:15:01 BoogieIcfgContainer [2023-12-02 14:15:01,666 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 14:15:01,668 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 14:15:01,668 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 14:15:01,672 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 14:15:01,672 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:14:13" (1/3) ... [2023-12-02 14:15:01,673 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7552e20b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:15:01, skipping insertion in model container [2023-12-02 14:15:01,673 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:14:23" (2/3) ... [2023-12-02 14:15:01,673 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7552e20b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:15:01, skipping insertion in model container [2023-12-02 14:15:01,673 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:15:01" (3/3) ... [2023-12-02 14:15:01,675 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--mediatek--mt7601u--mt7601u.ko-entry_point.cil.out.i [2023-12-02 14:15:01,694 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 14:15:01,694 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 14:15:01,816 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 14:15:01,823 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;@10380d17, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 14:15:01,823 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 14:15:01,844 INFO L276 IsEmpty]: Start isEmpty. Operand has 4738 states, 2885 states have (on average 1.335528596187175) internal successors, (3853), 2986 states have internal predecessors, (3853), 1614 states have call successors, (1614), 238 states have call predecessors, (1614), 237 states have return successors, (1575), 1571 states have call predecessors, (1575), 1575 states have call successors, (1575) [2023-12-02 14:15:01,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 14:15:01,866 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:15:01,866 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:15:01,867 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:15:01,872 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:15:01,872 INFO L85 PathProgramCache]: Analyzing trace with hash 1970575903, now seen corresponding path program 1 times [2023-12-02 14:15:01,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:15:01,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159906092] [2023-12-02 14:15:01,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:15:01,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:15:04,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:15:05,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 14:15:05,193 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:15:05,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159906092] [2023-12-02 14:15:05,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159906092] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:15:05,194 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:15:05,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 14:15:05,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448159751] [2023-12-02 14:15:05,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:15:05,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 14:15:05,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:15:05,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 14:15:05,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 14:15:05,243 INFO L87 Difference]: Start difference. First operand has 4738 states, 2885 states have (on average 1.335528596187175) internal successors, (3853), 2986 states have internal predecessors, (3853), 1614 states have call successors, (1614), 238 states have call predecessors, (1614), 237 states have return successors, (1575), 1571 states have call predecessors, (1575), 1575 states have call successors, (1575) Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-12-02 14:15:09,257 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 [] [2023-12-02 14:15:11,271 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:15:15,386 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:15:17,407 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:15:19,411 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:15:21,664 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:15:23,795 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:15:28,775 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:15:30,897 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:15:32,923 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:15:36,281 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:15:37,609 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:15:39,690 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:15:41,695 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:15:43,401 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:15:45,470 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:15:45,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:15:45,616 INFO L93 Difference]: Finished difference Result 14135 states and 21781 transitions. [2023-12-02 14:15:45,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 14:15:45,619 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 54 [2023-12-02 14:15:45,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:15:45,717 INFO L225 Difference]: With dead ends: 14135 [2023-12-02 14:15:45,717 INFO L226 Difference]: Without dead ends: 9304 [2023-12-02 14:15:45,803 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 14:15:45,806 INFO L413 NwaCegarLoop]: 6461 mSDtfsCounter, 6892 mSDsluCounter, 6442 mSDsCounter, 0 mSdLazyCounter, 1145 mSolverCounterSat, 3 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6892 SdHoareTripleChecker+Valid, 12903 SdHoareTripleChecker+Invalid, 1159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1145 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.7s IncrementalHoareTripleChecker+Time [2023-12-02 14:15:45,807 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6892 Valid, 12903 Invalid, 1159 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 1145 Invalid, 11 Unknown, 0 Unchecked, 39.7s Time] [2023-12-02 14:15:45,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9304 states. [2023-12-02 14:15:46,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9304 to 9292. [2023-12-02 14:15:46,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9292 states, 5712 states have (on average 1.3196778711484594) internal successors, (7538), 5815 states have internal predecessors, (7538), 3107 states have call successors, (3107), 473 states have call predecessors, (3107), 472 states have return successors, (3089), 3081 states have call predecessors, (3089), 3089 states have call successors, (3089) [2023-12-02 14:15:46,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9292 states to 9292 states and 13734 transitions. [2023-12-02 14:15:46,506 INFO L78 Accepts]: Start accepts. Automaton has 9292 states and 13734 transitions. Word has length 54 [2023-12-02 14:15:46,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:15:46,507 INFO L495 AbstractCegarLoop]: Abstraction has 9292 states and 13734 transitions. [2023-12-02 14:15:46,508 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-12-02 14:15:46,508 INFO L276 IsEmpty]: Start isEmpty. Operand 9292 states and 13734 transitions. [2023-12-02 14:15:46,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 14:15:46,516 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:15:46,516 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:15:46,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 14:15:46,517 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:15:46,517 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:15:46,517 INFO L85 PathProgramCache]: Analyzing trace with hash 42830568, now seen corresponding path program 1 times [2023-12-02 14:15:46,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:15:46,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924506294] [2023-12-02 14:15:46,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:15:46,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:15:48,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:15:48,737 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-02 14:15:48,737 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:15:48,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924506294] [2023-12-02 14:15:48,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924506294] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:15:48,738 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:15:48,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 14:15:48,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547069348] [2023-12-02 14:15:48,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:15:48,740 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 14:15:48,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:15:48,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 14:15:48,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 14:15:48,741 INFO L87 Difference]: Start difference. First operand 9292 states and 13734 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-12-02 14:15:49,891 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:15:52,434 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:15:54,454 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:15:57,763 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:15:59,895 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:16:04,038 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:16:05,198 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:16:05,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:16:05,919 INFO L93 Difference]: Finished difference Result 11936 states and 17434 transitions. [2023-12-02 14:16:05,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 14:16:05,919 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 68 [2023-12-02 14:16:05,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:16:05,985 INFO L225 Difference]: With dead ends: 11936 [2023-12-02 14:16:05,985 INFO L226 Difference]: Without dead ends: 11932 [2023-12-02 14:16:05,993 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 14:16:05,994 INFO L413 NwaCegarLoop]: 7164 mSDtfsCounter, 6706 mSDsluCounter, 1841 mSDsCounter, 0 mSdLazyCounter, 828 mSolverCounterSat, 2 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6706 SdHoareTripleChecker+Valid, 9005 SdHoareTripleChecker+Invalid, 834 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 828 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.7s IncrementalHoareTripleChecker+Time [2023-12-02 14:16:05,994 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6706 Valid, 9005 Invalid, 834 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 828 Invalid, 4 Unknown, 0 Unchecked, 16.7s Time] [2023-12-02 14:16:06,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11932 states. [2023-12-02 14:16:06,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11932 to 11924. [2023-12-02 14:16:06,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11924 states, 7288 states have (on average 1.309961580680571) internal successors, (9547), 7423 states have internal predecessors, (9547), 3945 states have call successors, (3945), 691 states have call predecessors, (3945), 690 states have return successors, (3929), 3917 states have call predecessors, (3929), 3929 states have call successors, (3929) [2023-12-02 14:16:06,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11924 states to 11924 states and 17421 transitions. [2023-12-02 14:16:06,510 INFO L78 Accepts]: Start accepts. Automaton has 11924 states and 17421 transitions. Word has length 68 [2023-12-02 14:16:06,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:16:06,510 INFO L495 AbstractCegarLoop]: Abstraction has 11924 states and 17421 transitions. [2023-12-02 14:16:06,510 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-12-02 14:16:06,510 INFO L276 IsEmpty]: Start isEmpty. Operand 11924 states and 17421 transitions. [2023-12-02 14:16:06,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-12-02 14:16:06,513 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:16:06,513 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:16:06,514 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-02 14:16:06,514 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:16:06,514 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:16:06,514 INFO L85 PathProgramCache]: Analyzing trace with hash 1325180831, now seen corresponding path program 1 times [2023-12-02 14:16:06,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:16:06,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326229705] [2023-12-02 14:16:06,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:16:06,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:16:08,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:16:08,562 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-02 14:16:08,562 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:16:08,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326229705] [2023-12-02 14:16:08,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326229705] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:16:08,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:16:08,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 14:16:08,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900012571] [2023-12-02 14:16:08,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:16:08,564 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 14:16:08,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:16:08,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 14:16:08,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 14:16:08,565 INFO L87 Difference]: Start difference. First operand 11924 states and 17421 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-12-02 14:16:11,455 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:16:13,472 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:16:16,318 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:16:18,432 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:16:21,939 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:16:23,417 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:16:23,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:16:23,704 INFO L93 Difference]: Finished difference Result 11926 states and 17422 transitions. [2023-12-02 14:16:23,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 14:16:23,705 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 69 [2023-12-02 14:16:23,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:16:23,757 INFO L225 Difference]: With dead ends: 11926 [2023-12-02 14:16:23,757 INFO L226 Difference]: Without dead ends: 11923 [2023-12-02 14:16:23,763 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 14:16:23,764 INFO L413 NwaCegarLoop]: 6349 mSDtfsCounter, 6881 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 567 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6881 SdHoareTripleChecker+Valid, 6349 SdHoareTripleChecker+Invalid, 571 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 567 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.8s IncrementalHoareTripleChecker+Time [2023-12-02 14:16:23,764 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6881 Valid, 6349 Invalid, 571 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 567 Invalid, 4 Unknown, 0 Unchecked, 14.8s Time] [2023-12-02 14:16:23,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11923 states. [2023-12-02 14:16:24,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11923 to 11923. [2023-12-02 14:16:24,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11923 states, 7288 states have (on average 1.3098243688254665) internal successors, (9546), 7422 states have internal predecessors, (9546), 3944 states have call successors, (3944), 691 states have call predecessors, (3944), 690 states have return successors, (3929), 3917 states have call predecessors, (3929), 3929 states have call successors, (3929) [2023-12-02 14:16:24,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11923 states to 11923 states and 17419 transitions. [2023-12-02 14:16:24,411 INFO L78 Accepts]: Start accepts. Automaton has 11923 states and 17419 transitions. Word has length 69 [2023-12-02 14:16:24,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:16:24,411 INFO L495 AbstractCegarLoop]: Abstraction has 11923 states and 17419 transitions. [2023-12-02 14:16:24,412 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-12-02 14:16:24,412 INFO L276 IsEmpty]: Start isEmpty. Operand 11923 states and 17419 transitions. [2023-12-02 14:16:24,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-02 14:16:24,416 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:16:24,416 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:16:24,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-02 14:16:24,416 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:16:24,417 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:16:24,417 INFO L85 PathProgramCache]: Analyzing trace with hash -1871629109, now seen corresponding path program 1 times [2023-12-02 14:16:24,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:16:24,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895373074] [2023-12-02 14:16:24,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:16:24,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:16:25,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:16:26,298 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-02 14:16:26,299 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:16:26,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895373074] [2023-12-02 14:16:26,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [895373074] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:16:26,299 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:16:26,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 14:16:26,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114517402] [2023-12-02 14:16:26,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:16:26,300 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 14:16:26,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:16:26,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 14:16:26,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 14:16:26,301 INFO L87 Difference]: Start difference. First operand 11923 states and 17419 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-12-02 14:16:28,857 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:16:30,875 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:16:34,161 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:16:36,271 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:16:39,767 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:16:41,850 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:16:42,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:16:42,251 INFO L93 Difference]: Finished difference Result 11925 states and 17420 transitions. [2023-12-02 14:16:42,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 14:16:42,252 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 70 [2023-12-02 14:16:42,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:16:42,301 INFO L225 Difference]: With dead ends: 11925 [2023-12-02 14:16:42,301 INFO L226 Difference]: Without dead ends: 11922 [2023-12-02 14:16:42,311 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 14:16:42,312 INFO L413 NwaCegarLoop]: 6347 mSDtfsCounter, 6878 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 567 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6878 SdHoareTripleChecker+Valid, 6347 SdHoareTripleChecker+Invalid, 571 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 567 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.5s IncrementalHoareTripleChecker+Time [2023-12-02 14:16:42,312 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6878 Valid, 6347 Invalid, 571 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 567 Invalid, 4 Unknown, 0 Unchecked, 15.5s Time] [2023-12-02 14:16:42,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11922 states. [2023-12-02 14:16:42,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11922 to 11922. [2023-12-02 14:16:42,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11922 states, 7288 states have (on average 1.3096871569703623) internal successors, (9545), 7421 states have internal predecessors, (9545), 3943 states have call successors, (3943), 691 states have call predecessors, (3943), 690 states have return successors, (3929), 3917 states have call predecessors, (3929), 3929 states have call successors, (3929) [2023-12-02 14:16:43,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11922 states to 11922 states and 17417 transitions. [2023-12-02 14:16:43,008 INFO L78 Accepts]: Start accepts. Automaton has 11922 states and 17417 transitions. Word has length 70 [2023-12-02 14:16:43,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:16:43,009 INFO L495 AbstractCegarLoop]: Abstraction has 11922 states and 17417 transitions. [2023-12-02 14:16:43,009 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-12-02 14:16:43,009 INFO L276 IsEmpty]: Start isEmpty. Operand 11922 states and 17417 transitions. [2023-12-02 14:16:43,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 14:16:43,013 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:16:43,013 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:16:43,014 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-02 14:16:43,014 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:16:43,014 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:16:43,015 INFO L85 PathProgramCache]: Analyzing trace with hash 2106482722, now seen corresponding path program 1 times [2023-12-02 14:16:43,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:16:43,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132903599] [2023-12-02 14:16:43,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:16:43,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:16:44,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:16:44,934 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-02 14:16:44,935 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:16:44,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132903599] [2023-12-02 14:16:44,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132903599] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:16:44,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:16:44,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 14:16:44,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558292115] [2023-12-02 14:16:44,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:16:44,936 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 14:16:44,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:16:44,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 14:16:44,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 14:16:44,937 INFO L87 Difference]: Start difference. First operand 11922 states and 17417 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-12-02 14:16:47,692 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:16:49,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:16:53,072 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:16:55,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:16:58,745 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:17:00,847 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:17:03,077 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:17:03,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:17:03,142 INFO L93 Difference]: Finished difference Result 11924 states and 17418 transitions. [2023-12-02 14:17:03,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 14:17:03,144 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 71 [2023-12-02 14:17:03,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:17:03,176 INFO L225 Difference]: With dead ends: 11924 [2023-12-02 14:17:03,176 INFO L226 Difference]: Without dead ends: 11921 [2023-12-02 14:17:03,180 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 14:17:03,180 INFO L413 NwaCegarLoop]: 6345 mSDtfsCounter, 6875 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 565 mSolverCounterSat, 0 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6875 SdHoareTripleChecker+Valid, 6345 SdHoareTripleChecker+Invalid, 571 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 565 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.6s IncrementalHoareTripleChecker+Time [2023-12-02 14:17:03,181 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6875 Valid, 6345 Invalid, 571 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 565 Invalid, 6 Unknown, 0 Unchecked, 17.6s Time] [2023-12-02 14:17:03,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11921 states. [2023-12-02 14:17:03,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11921 to 11921. [2023-12-02 14:17:03,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11921 states, 7288 states have (on average 1.309549945115258) internal successors, (9544), 7420 states have internal predecessors, (9544), 3942 states have call successors, (3942), 691 states have call predecessors, (3942), 690 states have return successors, (3929), 3917 states have call predecessors, (3929), 3929 states have call successors, (3929) [2023-12-02 14:17:03,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11921 states to 11921 states and 17415 transitions. [2023-12-02 14:17:03,743 INFO L78 Accepts]: Start accepts. Automaton has 11921 states and 17415 transitions. Word has length 71 [2023-12-02 14:17:03,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:17:03,743 INFO L495 AbstractCegarLoop]: Abstraction has 11921 states and 17415 transitions. [2023-12-02 14:17:03,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-12-02 14:17:03,743 INFO L276 IsEmpty]: Start isEmpty. Operand 11921 states and 17415 transitions. [2023-12-02 14:17:03,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-12-02 14:17:03,746 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:17:03,746 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:17:03,746 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-02 14:17:03,746 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:17:03,746 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:17:03,747 INFO L85 PathProgramCache]: Analyzing trace with hash 873902766, now seen corresponding path program 1 times [2023-12-02 14:17:03,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:17:03,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066138227] [2023-12-02 14:17:03,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:17:03,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:17:05,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:17:05,580 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-02 14:17:05,581 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:17:05,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066138227] [2023-12-02 14:17:05,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066138227] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:17:05,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:17:05,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 14:17:05,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170699299] [2023-12-02 14:17:05,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:17:05,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 14:17:05,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:17:05,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 14:17:05,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 14:17:05,583 INFO L87 Difference]: Start difference. First operand 11921 states and 17415 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-12-02 14:17:07,709 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:17:11,294 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:17:14,849 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:17:16,859 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:17:19,050 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:17:21,072 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:17:24,625 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:17:26,644 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:17:28,656 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:17:33,017 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:17:34,856 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:17:37,229 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:17:37,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:17:37,326 INFO L93 Difference]: Finished difference Result 15034 states and 21704 transitions. [2023-12-02 14:17:37,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 14:17:37,327 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 72 [2023-12-02 14:17:37,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:17:37,381 INFO L225 Difference]: With dead ends: 15034 [2023-12-02 14:17:37,381 INFO L226 Difference]: Without dead ends: 15030 [2023-12-02 14:17:37,388 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 14:17:37,389 INFO L413 NwaCegarLoop]: 7143 mSDtfsCounter, 6352 mSDsluCounter, 2385 mSDsCounter, 0 mSdLazyCounter, 894 mSolverCounterSat, 2 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6352 SdHoareTripleChecker+Valid, 9528 SdHoareTripleChecker+Invalid, 907 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 894 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.0s IncrementalHoareTripleChecker+Time [2023-12-02 14:17:37,389 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6352 Valid, 9528 Invalid, 907 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 894 Invalid, 11 Unknown, 0 Unchecked, 31.0s Time] [2023-12-02 14:17:37,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15030 states. [2023-12-02 14:17:38,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15030 to 15021. [2023-12-02 14:17:38,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15021 states, 9142 states have (on average 1.303106541238241) internal successors, (11913), 9310 states have internal predecessors, (11913), 4894 states have call successors, (4894), 985 states have call predecessors, (4894), 984 states have return successors, (4883), 4867 states have call predecessors, (4883), 4883 states have call successors, (4883) [2023-12-02 14:17:38,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15021 states to 15021 states and 21690 transitions. [2023-12-02 14:17:38,102 INFO L78 Accepts]: Start accepts. Automaton has 15021 states and 21690 transitions. Word has length 72 [2023-12-02 14:17:38,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:17:38,102 INFO L495 AbstractCegarLoop]: Abstraction has 15021 states and 21690 transitions. [2023-12-02 14:17:38,102 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-12-02 14:17:38,102 INFO L276 IsEmpty]: Start isEmpty. Operand 15021 states and 21690 transitions. [2023-12-02 14:17:38,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 14:17:38,106 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:17:38,106 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:17:38,106 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-02 14:17:38,106 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:17:38,107 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:17:38,107 INFO L85 PathProgramCache]: Analyzing trace with hash 1318634661, now seen corresponding path program 1 times [2023-12-02 14:17:38,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:17:38,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321962321] [2023-12-02 14:17:38,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:17:38,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:17:39,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:17:39,940 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-02 14:17:39,940 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:17:39,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321962321] [2023-12-02 14:17:39,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [321962321] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:17:39,940 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:17:39,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 14:17:39,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289411864] [2023-12-02 14:17:39,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:17:39,941 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 14:17:39,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:17:39,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 14:17:39,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 14:17:39,942 INFO L87 Difference]: Start difference. First operand 15021 states and 21690 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-12-02 14:17:42,966 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:17:44,988 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:17:49,123 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:17:54,506 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:17:55,942 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:17:58,084 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:17:58,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:17:58,165 INFO L93 Difference]: Finished difference Result 18267 states and 26038 transitions. [2023-12-02 14:17:58,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 14:17:58,167 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 73 [2023-12-02 14:17:58,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:17:58,224 INFO L225 Difference]: With dead ends: 18267 [2023-12-02 14:17:58,224 INFO L226 Difference]: Without dead ends: 18263 [2023-12-02 14:17:58,233 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 14:17:58,233 INFO L413 NwaCegarLoop]: 6424 mSDtfsCounter, 6601 mSDsluCounter, 1149 mSDsCounter, 0 mSdLazyCounter, 720 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6601 SdHoareTripleChecker+Valid, 7573 SdHoareTripleChecker+Invalid, 725 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 720 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.3s IncrementalHoareTripleChecker+Time [2023-12-02 14:17:58,234 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6601 Valid, 7573 Invalid, 725 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 720 Invalid, 3 Unknown, 0 Unchecked, 17.3s Time] [2023-12-02 14:17:58,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18263 states. [2023-12-02 14:17:59,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18263 to 18257. [2023-12-02 14:17:59,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18257 states, 11088 states have (on average 1.2987012987012987) internal successors, (14400), 11294 states have internal predecessors, (14400), 5816 states have call successors, (5816), 1353 states have call predecessors, (5816), 1352 states have return successors, (5807), 5787 states have call predecessors, (5807), 5807 states have call successors, (5807) [2023-12-02 14:17:59,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18257 states to 18257 states and 26023 transitions. [2023-12-02 14:17:59,317 INFO L78 Accepts]: Start accepts. Automaton has 18257 states and 26023 transitions. Word has length 73 [2023-12-02 14:17:59,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:17:59,317 INFO L495 AbstractCegarLoop]: Abstraction has 18257 states and 26023 transitions. [2023-12-02 14:17:59,317 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-12-02 14:17:59,317 INFO L276 IsEmpty]: Start isEmpty. Operand 18257 states and 26023 transitions. [2023-12-02 14:17:59,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-02 14:17:59,320 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:17:59,320 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:17:59,320 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-02 14:17:59,320 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:17:59,321 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:17:59,321 INFO L85 PathProgramCache]: Analyzing trace with hash -2074540911, now seen corresponding path program 1 times [2023-12-02 14:17:59,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:17:59,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915722751] [2023-12-02 14:17:59,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:17:59,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:18:00,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:18:01,288 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-02 14:18:01,288 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:18:01,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915722751] [2023-12-02 14:18:01,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [915722751] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:18:01,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:18:01,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 14:18:01,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46569901] [2023-12-02 14:18:01,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:18:01,289 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 14:18:01,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:18:01,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 14:18:01,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 14:18:01,290 INFO L87 Difference]: Start difference. First operand 18257 states and 26023 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-12-02 14:18:03,607 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:18:05,625 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:18:09,336 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:18:11,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:18:16,371 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:18:18,288 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:18:20,569 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:18:20,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:18:20,643 INFO L93 Difference]: Finished difference Result 20553 states and 28915 transitions. [2023-12-02 14:18:20,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 14:18:20,644 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 74 [2023-12-02 14:18:20,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:18:20,708 INFO L225 Difference]: With dead ends: 20553 [2023-12-02 14:18:20,708 INFO L226 Difference]: Without dead ends: 20549 [2023-12-02 14:18:20,720 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 14:18:20,721 INFO L413 NwaCegarLoop]: 6380 mSDtfsCounter, 6554 mSDsluCounter, 656 mSDsCounter, 0 mSdLazyCounter, 646 mSolverCounterSat, 2 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6554 SdHoareTripleChecker+Valid, 7036 SdHoareTripleChecker+Invalid, 653 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 646 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.3s IncrementalHoareTripleChecker+Time [2023-12-02 14:18:20,820 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6554 Valid, 7036 Invalid, 653 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 646 Invalid, 5 Unknown, 0 Unchecked, 18.3s Time] [2023-12-02 14:18:20,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20549 states. [2023-12-02 14:18:21,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20549 to 20545. [2023-12-02 14:18:21,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20545 states, 12464 states have (on average 1.2954910141206675) internal successors, (16147), 12692 states have internal predecessors, (16147), 6378 states have call successors, (6378), 1703 states have call predecessors, (6378), 1702 states have return successors, (6371), 6351 states have call predecessors, (6371), 6371 states have call successors, (6371) [2023-12-02 14:18:21,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20545 states to 20545 states and 28896 transitions. [2023-12-02 14:18:21,905 INFO L78 Accepts]: Start accepts. Automaton has 20545 states and 28896 transitions. Word has length 74 [2023-12-02 14:18:21,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:18:21,906 INFO L495 AbstractCegarLoop]: Abstraction has 20545 states and 28896 transitions. [2023-12-02 14:18:21,906 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-12-02 14:18:21,906 INFO L276 IsEmpty]: Start isEmpty. Operand 20545 states and 28896 transitions. [2023-12-02 14:18:21,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-02 14:18:21,909 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:18:21,909 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:18:21,909 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-02 14:18:21,909 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:18:21,910 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:18:21,910 INFO L85 PathProgramCache]: Analyzing trace with hash 111203624, now seen corresponding path program 1 times [2023-12-02 14:18:21,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:18:21,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369370448] [2023-12-02 14:18:21,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:18:21,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:18:23,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:18:23,911 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-02 14:18:23,911 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:18:23,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369370448] [2023-12-02 14:18:23,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369370448] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:18:23,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:18:23,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 14:18:23,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061843027] [2023-12-02 14:18:23,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:18:23,913 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 14:18:23,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:18:23,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 14:18:23,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 14:18:23,913 INFO L87 Difference]: Start difference. First operand 20545 states and 28896 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-12-02 14:18:27,213 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:18:29,231 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:18:33,599 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:18:37,781 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:18:39,300 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:18:40,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:18:40,493 INFO L93 Difference]: Finished difference Result 22053 states and 30502 transitions. [2023-12-02 14:18:40,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 14:18:40,495 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 75 [2023-12-02 14:18:40,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:18:40,551 INFO L225 Difference]: With dead ends: 22053 [2023-12-02 14:18:40,551 INFO L226 Difference]: Without dead ends: 22040 [2023-12-02 14:18:40,559 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 14:18:40,560 INFO L413 NwaCegarLoop]: 6391 mSDtfsCounter, 6764 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 622 mSolverCounterSat, 2 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6764 SdHoareTripleChecker+Valid, 6535 SdHoareTripleChecker+Invalid, 628 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 622 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.3s IncrementalHoareTripleChecker+Time [2023-12-02 14:18:40,560 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6764 Valid, 6535 Invalid, 628 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 622 Invalid, 4 Unknown, 0 Unchecked, 15.3s Time] [2023-12-02 14:18:40,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22040 states. [2023-12-02 14:18:41,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22040 to 22038. [2023-12-02 14:18:41,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22038 states, 13387 states have (on average 1.2928960932247704) internal successors, (17308), 13613 states have internal predecessors, (17308), 6582 states have call successors, (6582), 2069 states have call predecessors, (6582), 2068 states have return successors, (6577), 6557 states have call predecessors, (6577), 6577 states have call successors, (6577) [2023-12-02 14:18:41,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22038 states to 22038 states and 30467 transitions. [2023-12-02 14:18:41,884 INFO L78 Accepts]: Start accepts. Automaton has 22038 states and 30467 transitions. Word has length 75 [2023-12-02 14:18:41,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:18:41,884 INFO L495 AbstractCegarLoop]: Abstraction has 22038 states and 30467 transitions. [2023-12-02 14:18:41,884 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-12-02 14:18:41,884 INFO L276 IsEmpty]: Start isEmpty. Operand 22038 states and 30467 transitions. [2023-12-02 14:18:41,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-12-02 14:18:41,890 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:18:41,891 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:18:41,891 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-02 14:18:41,891 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:18:41,891 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:18:41,891 INFO L85 PathProgramCache]: Analyzing trace with hash 650755761, now seen corresponding path program 1 times [2023-12-02 14:18:41,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:18:41,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331864298] [2023-12-02 14:18:41,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:18:41,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:18:43,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:18:44,023 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 14:18:44,023 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:18:44,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331864298] [2023-12-02 14:18:44,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [331864298] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:18:44,024 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:18:44,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 14:18:44,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470211004] [2023-12-02 14:18:44,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:18:44,025 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 14:18:44,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:18:44,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 14:18:44,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 14:18:44,026 INFO L87 Difference]: Start difference. First operand 22038 states and 30467 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-12-02 14:18:47,487 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:18:49,497 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:18:51,513 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:18:53,517 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:18:58,564 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:19:00,689 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:19:02,810 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:19:04,819 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:19:06,931 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:19:08,942 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:19:10,835 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:19:12,403 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:19:14,914 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:19:16,934 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:19:20,802 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:19:22,812 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:19:24,993 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:19:26,608 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:19:28,982 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:19:30,995 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:19:31,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:19:31,103 INFO L93 Difference]: Finished difference Result 61614 states and 84899 transitions. [2023-12-02 14:19:31,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 14:19:31,104 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 128 [2023-12-02 14:19:31,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:19:31,226 INFO L225 Difference]: With dead ends: 61614 [2023-12-02 14:19:31,226 INFO L226 Difference]: Without dead ends: 39581 [2023-12-02 14:19:31,297 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 14:19:31,297 INFO L413 NwaCegarLoop]: 7080 mSDtfsCounter, 4843 mSDsluCounter, 6301 mSDsCounter, 0 mSdLazyCounter, 1227 mSolverCounterSat, 2 mSolverCounterUnsat, 16 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4843 SdHoareTripleChecker+Valid, 13381 SdHoareTripleChecker+Invalid, 1245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1227 IncrementalHoareTripleChecker+Invalid, 16 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 44.9s IncrementalHoareTripleChecker+Time [2023-12-02 14:19:31,298 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4843 Valid, 13381 Invalid, 1245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1227 Invalid, 16 Unknown, 0 Unchecked, 44.9s Time] [2023-12-02 14:19:31,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39581 states. [2023-12-02 14:19:33,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39581 to 39573. [2023-12-02 14:19:33,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39573 states, 24162 states have (on average 1.293891234169357) internal successors, (31263), 24552 states have internal predecessors, (31263), 11586 states have call successors, (11586), 3825 states have call predecessors, (11586), 3824 states have return successors, (11581), 11549 states have call predecessors, (11581), 11581 states have call successors, (11581) [2023-12-02 14:19:33,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39573 states to 39573 states and 54430 transitions. [2023-12-02 14:19:33,544 INFO L78 Accepts]: Start accepts. Automaton has 39573 states and 54430 transitions. Word has length 128 [2023-12-02 14:19:33,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:19:33,545 INFO L495 AbstractCegarLoop]: Abstraction has 39573 states and 54430 transitions. [2023-12-02 14:19:33,545 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-12-02 14:19:33,545 INFO L276 IsEmpty]: Start isEmpty. Operand 39573 states and 54430 transitions. [2023-12-02 14:19:33,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-12-02 14:19:33,556 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:19:33,556 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:19:33,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-12-02 14:19:33,557 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:19:33,557 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:19:33,557 INFO L85 PathProgramCache]: Analyzing trace with hash -51246526, now seen corresponding path program 1 times [2023-12-02 14:19:33,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:19:33,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121154279] [2023-12-02 14:19:33,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:19:33,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:19:35,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:19:35,563 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 14:19:35,563 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:19:35,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121154279] [2023-12-02 14:19:35,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121154279] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:19:35,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:19:35,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 14:19:35,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703403978] [2023-12-02 14:19:35,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:19:35,564 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 14:19:35,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:19:35,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 14:19:35,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 14:19:35,565 INFO L87 Difference]: Start difference. First operand 39573 states and 54430 transitions. Second operand has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-12-02 14:19:39,234 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 [] [2023-12-02 14:19:41,256 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:19:44,022 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:19:46,124 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:19:51,855 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:19:53,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:19:56,149 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:19:56,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:19:56,221 INFO L93 Difference]: Finished difference Result 68163 states and 93673 transitions. [2023-12-02 14:19:56,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 14:19:56,222 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 171 [2023-12-02 14:19:56,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:19:56,293 INFO L225 Difference]: With dead ends: 68163 [2023-12-02 14:19:56,294 INFO L226 Difference]: Without dead ends: 28595 [2023-12-02 14:19:56,372 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 14:19:56,373 INFO L413 NwaCegarLoop]: 6319 mSDtfsCounter, 6886 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 564 mSolverCounterSat, 1 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6886 SdHoareTripleChecker+Valid, 6319 SdHoareTripleChecker+Invalid, 572 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 564 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.7s IncrementalHoareTripleChecker+Time [2023-12-02 14:19:56,373 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6886 Valid, 6319 Invalid, 572 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 564 Invalid, 7 Unknown, 0 Unchecked, 18.7s Time] [2023-12-02 14:19:56,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28595 states. [2023-12-02 14:19:58,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28595 to 28595. [2023-12-02 14:19:58,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28595 states, 17489 states have (on average 1.2939562010406542) internal successors, (22630), 17768 states have internal predecessors, (22630), 8312 states have call successors, (8312), 2794 states have call predecessors, (8312), 2793 states have return successors, (8307), 8285 states have call predecessors, (8307), 8307 states have call successors, (8307) [2023-12-02 14:19:58,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28595 states to 28595 states and 39249 transitions. [2023-12-02 14:19:58,108 INFO L78 Accepts]: Start accepts. Automaton has 28595 states and 39249 transitions. Word has length 171 [2023-12-02 14:19:58,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:19:58,109 INFO L495 AbstractCegarLoop]: Abstraction has 28595 states and 39249 transitions. [2023-12-02 14:19:58,109 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-12-02 14:19:58,109 INFO L276 IsEmpty]: Start isEmpty. Operand 28595 states and 39249 transitions. [2023-12-02 14:19:58,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 473 [2023-12-02 14:19:58,122 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:19:58,122 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 27, 27, 27, 27, 27, 27, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:19:58,122 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-12-02 14:19:58,122 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:19:58,123 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:19:58,123 INFO L85 PathProgramCache]: Analyzing trace with hash 915679353, now seen corresponding path program 1 times [2023-12-02 14:19:58,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:19:58,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957090126] [2023-12-02 14:19:58,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:19:58,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:19:59,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:20:00,179 INFO L134 CoverageAnalysis]: Checked inductivity of 3972 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3972 trivial. 0 not checked. [2023-12-02 14:20:00,180 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:20:00,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957090126] [2023-12-02 14:20:00,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [957090126] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:20:00,180 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:20:00,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 14:20:00,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481660696] [2023-12-02 14:20:00,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:20:00,181 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 14:20:00,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:20:00,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 14:20:00,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 14:20:00,181 INFO L87 Difference]: Start difference. First operand 28595 states and 39249 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2023-12-02 14:20:04,144 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:20:05,631 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:20:07,650 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:20:09,654 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:20:10,947 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:20:12,965 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:20:19,152 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:20:21,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:20:23,379 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:20:25,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:20:27,936 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:20:29,107 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:20:34,003 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:20:36,011 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:20:38,058 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:20:40,270 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:20:42,342 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:20:44,036 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:20:46,078 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:20:46,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:20:46,426 INFO L93 Difference]: Finished difference Result 55899 states and 77298 transitions. [2023-12-02 14:20:46,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 14:20:46,427 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) Word has length 472 [2023-12-02 14:20:46,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:20:46,500 INFO L225 Difference]: With dead ends: 55899 [2023-12-02 14:20:46,500 INFO L226 Difference]: Without dead ends: 27309 [2023-12-02 14:20:46,556 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 14:20:46,557 INFO L413 NwaCegarLoop]: 8235 mSDtfsCounter, 5618 mSDsluCounter, 6213 mSDsCounter, 0 mSdLazyCounter, 1412 mSolverCounterSat, 5 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 43.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5618 SdHoareTripleChecker+Valid, 14448 SdHoareTripleChecker+Invalid, 1430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1412 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 44.4s IncrementalHoareTripleChecker+Time [2023-12-02 14:20:46,557 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5618 Valid, 14448 Invalid, 1430 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1412 Invalid, 13 Unknown, 0 Unchecked, 44.4s Time] [2023-12-02 14:20:46,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27309 states. [2023-12-02 14:20:48,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27309 to 27303. [2023-12-02 14:20:48,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27303 states, 16906 states have (on average 1.3053945344847984) internal successors, (22069), 17156 states have internal predecessors, (22069), 7992 states have call successors, (7992), 2405 states have call predecessors, (7992), 2404 states have return successors, (7987), 7965 states have call predecessors, (7987), 7987 states have call successors, (7987) [2023-12-02 14:20:48,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27303 states to 27303 states and 38048 transitions. [2023-12-02 14:20:48,339 INFO L78 Accepts]: Start accepts. Automaton has 27303 states and 38048 transitions. Word has length 472 [2023-12-02 14:20:48,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:20:48,340 INFO L495 AbstractCegarLoop]: Abstraction has 27303 states and 38048 transitions. [2023-12-02 14:20:48,340 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2023-12-02 14:20:48,340 INFO L276 IsEmpty]: Start isEmpty. Operand 27303 states and 38048 transitions. [2023-12-02 14:20:48,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 436 [2023-12-02 14:20:48,358 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:20:48,359 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 24, 24, 24, 24, 24, 24, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:20:48,359 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-12-02 14:20:48,359 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:20:48,359 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:20:48,360 INFO L85 PathProgramCache]: Analyzing trace with hash -1034482946, now seen corresponding path program 1 times [2023-12-02 14:20:48,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:20:48,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849920322] [2023-12-02 14:20:48,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:20:48,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:20:50,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:20:51,012 INFO L134 CoverageAnalysis]: Checked inductivity of 2789 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 2764 trivial. 0 not checked. [2023-12-02 14:20:51,012 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:20:51,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849920322] [2023-12-02 14:20:51,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [849920322] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:20:51,013 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:20:51,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 14:20:51,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757087173] [2023-12-02 14:20:51,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:20:51,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 14:20:51,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:20:51,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 14:20:51,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 14:20:51,015 INFO L87 Difference]: Start difference. First operand 27303 states and 38048 transitions. Second operand has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 3 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2023-12-02 14:20:56,541 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 [] [2023-12-02 14:20:57,671 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:20:59,688 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:21:01,702 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:21:04,060 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:21:06,079 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:21:10,283 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:21:12,289 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:21:14,487 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:21:16,490 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:21:19,132 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:21:21,257 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:21:23,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:21:25,097 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:21:30,411 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:21:32,417 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:21:34,624 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:21:36,114 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:21:37,440 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:21:39,332 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:21:41,822 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:21:43,865 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:21:44,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:21:44,061 INFO L93 Difference]: Finished difference Result 69717 states and 96950 transitions. [2023-12-02 14:21:44,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 14:21:44,062 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 3 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) Word has length 435 [2023-12-02 14:21:44,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:21:44,225 INFO L225 Difference]: With dead ends: 69717 [2023-12-02 14:21:44,225 INFO L226 Difference]: Without dead ends: 43373 [2023-12-02 14:21:44,280 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 14:21:44,281 INFO L413 NwaCegarLoop]: 11957 mSDtfsCounter, 6734 mSDsluCounter, 6016 mSDsCounter, 0 mSdLazyCounter, 1555 mSolverCounterSat, 9 mSolverCounterUnsat, 16 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 49.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6734 SdHoareTripleChecker+Valid, 17973 SdHoareTripleChecker+Invalid, 1580 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1555 IncrementalHoareTripleChecker+Invalid, 16 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 50.1s IncrementalHoareTripleChecker+Time [2023-12-02 14:21:44,281 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6734 Valid, 17973 Invalid, 1580 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 1555 Invalid, 16 Unknown, 0 Unchecked, 50.1s Time] [2023-12-02 14:21:44,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43373 states. [2023-12-02 14:21:46,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43373 to 43366. [2023-12-02 14:21:46,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43366 states, 26735 states have (on average 1.303235459135964) internal successors, (34842), 27147 states have internal predecessors, (34842), 12760 states have call successors, (12760), 3871 states have call predecessors, (12760), 3870 states have return successors, (12755), 12717 states have call predecessors, (12755), 12755 states have call successors, (12755) [2023-12-02 14:21:47,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43366 states to 43366 states and 60357 transitions. [2023-12-02 14:21:47,079 INFO L78 Accepts]: Start accepts. Automaton has 43366 states and 60357 transitions. Word has length 435 [2023-12-02 14:21:47,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:21:47,081 INFO L495 AbstractCegarLoop]: Abstraction has 43366 states and 60357 transitions. [2023-12-02 14:21:47,081 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 3 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2023-12-02 14:21:47,081 INFO L276 IsEmpty]: Start isEmpty. Operand 43366 states and 60357 transitions. [2023-12-02 14:21:47,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 453 [2023-12-02 14:21:47,100 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:21:47,100 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 24, 24, 24, 24, 24, 24, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:21:47,100 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-12-02 14:21:47,100 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:21:47,101 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:21:47,101 INFO L85 PathProgramCache]: Analyzing trace with hash -110212531, now seen corresponding path program 1 times [2023-12-02 14:21:47,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:21:47,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635851603] [2023-12-02 14:21:47,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:21:47,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:21:49,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:21:50,024 INFO L134 CoverageAnalysis]: Checked inductivity of 2793 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2793 trivial. 0 not checked. [2023-12-02 14:21:50,024 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:21:50,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635851603] [2023-12-02 14:21:50,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [635851603] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:21:50,024 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:21:50,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 14:21:50,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792949441] [2023-12-02 14:21:50,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:21:50,026 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 14:21:50,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:21:50,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 14:21:50,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 14:21:50,026 INFO L87 Difference]: Start difference. First operand 43366 states and 60357 transitions. Second operand has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2023-12-02 14:21:54,366 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:21:56,032 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:21:58,052 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:22:00,063 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:22:03,282 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:22:05,666 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:22:07,674 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:22:09,884 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:22:11,892 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:22:18,294 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:22:20,299 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:22:21,871 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:22:24,775 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:22:26,790 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:22:26,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:22:26,965 INFO L93 Difference]: Finished difference Result 87142 states and 123221 transitions. [2023-12-02 14:22:26,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 14:22:26,967 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) Word has length 452 [2023-12-02 14:22:26,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:22:27,134 INFO L225 Difference]: With dead ends: 87142 [2023-12-02 14:22:27,135 INFO L226 Difference]: Without dead ends: 44735 [2023-12-02 14:22:27,289 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 14:22:27,290 INFO L413 NwaCegarLoop]: 6319 mSDtfsCounter, 29 mSDsluCounter, 6315 mSDsCounter, 0 mSdLazyCounter, 1134 mSolverCounterSat, 0 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 12634 SdHoareTripleChecker+Invalid, 1143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1134 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.8s IncrementalHoareTripleChecker+Time [2023-12-02 14:22:27,290 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 12634 Invalid, 1143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1134 Invalid, 9 Unknown, 0 Unchecked, 33.8s Time] [2023-12-02 14:22:27,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44735 states. [2023-12-02 14:22:30,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44735 to 43403. [2023-12-02 14:22:30,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43403 states, 26772 states have (on average 1.302816375317496) internal successors, (34879), 27184 states have internal predecessors, (34879), 12760 states have call successors, (12760), 3871 states have call predecessors, (12760), 3870 states have return successors, (12755), 12717 states have call predecessors, (12755), 12755 states have call successors, (12755) [2023-12-02 14:22:30,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43403 states to 43403 states and 60394 transitions. [2023-12-02 14:22:30,687 INFO L78 Accepts]: Start accepts. Automaton has 43403 states and 60394 transitions. Word has length 452 [2023-12-02 14:22:30,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:22:30,688 INFO L495 AbstractCegarLoop]: Abstraction has 43403 states and 60394 transitions. [2023-12-02 14:22:30,688 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2023-12-02 14:22:30,688 INFO L276 IsEmpty]: Start isEmpty. Operand 43403 states and 60394 transitions. [2023-12-02 14:22:30,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 481 [2023-12-02 14:22:30,707 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:22:30,707 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 24, 24, 24, 24, 24, 24, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:22:30,707 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-12-02 14:22:30,707 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:22:30,708 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:22:30,708 INFO L85 PathProgramCache]: Analyzing trace with hash 840259958, now seen corresponding path program 1 times [2023-12-02 14:22:30,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:22:30,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902215650] [2023-12-02 14:22:30,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:22:30,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:22:32,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:22:33,339 INFO L134 CoverageAnalysis]: Checked inductivity of 2797 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2797 trivial. 0 not checked. [2023-12-02 14:22:33,339 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:22:33,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902215650] [2023-12-02 14:22:33,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902215650] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:22:33,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:22:33,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 14:22:33,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661564418] [2023-12-02 14:22:33,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:22:33,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 14:22:33,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:22:33,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 14:22:33,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 14:22:33,342 INFO L87 Difference]: Start difference. First operand 43403 states and 60394 transitions. Second operand has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 3 states have call successors, (52), 3 states have call predecessors, (52), 2 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2023-12-02 14:22:35,377 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:22:38,675 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:22:40,684 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:22:42,704 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:22:44,706 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:22:49,227 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:22:51,237 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:22:53,450 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:22:55,459 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:22:57,296 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:22:59,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:23:03,036 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:23:05,045 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:23:06,479 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:23:07,557 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:23:10,158 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:23:10,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:23:10,647 INFO L93 Difference]: Finished difference Result 43405 states and 60395 transitions. [2023-12-02 14:23:10,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 14:23:10,649 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 3 states have call successors, (52), 3 states have call predecessors, (52), 2 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) Word has length 480 [2023-12-02 14:23:10,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:23:10,746 INFO L225 Difference]: With dead ends: 43405 [2023-12-02 14:23:10,746 INFO L226 Difference]: Without dead ends: 43402 [2023-12-02 14:23:10,758 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 14:23:10,758 INFO L413 NwaCegarLoop]: 6317 mSDtfsCounter, 146 mSDsluCounter, 6235 mSDsCounter, 0 mSdLazyCounter, 1128 mSolverCounterSat, 0 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 12552 SdHoareTripleChecker+Invalid, 1138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1128 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.8s IncrementalHoareTripleChecker+Time [2023-12-02 14:23:10,759 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 12552 Invalid, 1138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1128 Invalid, 10 Unknown, 0 Unchecked, 34.8s Time] [2023-12-02 14:23:10,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43402 states. [2023-12-02 14:23:13,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43402 to 43402. [2023-12-02 14:23:13,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43402 states, 26772 states have (on average 1.301434334379202) internal successors, (34842), 27183 states have internal predecessors, (34842), 12759 states have call successors, (12759), 3871 states have call predecessors, (12759), 3870 states have return successors, (12755), 12717 states have call predecessors, (12755), 12755 states have call successors, (12755) [2023-12-02 14:23:13,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43402 states to 43402 states and 60356 transitions. [2023-12-02 14:23:13,350 INFO L78 Accepts]: Start accepts. Automaton has 43402 states and 60356 transitions. Word has length 480 [2023-12-02 14:23:13,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:23:13,351 INFO L495 AbstractCegarLoop]: Abstraction has 43402 states and 60356 transitions. [2023-12-02 14:23:13,351 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 3 states have call successors, (52), 3 states have call predecessors, (52), 2 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2023-12-02 14:23:13,351 INFO L276 IsEmpty]: Start isEmpty. Operand 43402 states and 60356 transitions. [2023-12-02 14:23:13,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 823 [2023-12-02 14:23:13,398 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:23:13,398 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 24, 24, 24, 24, 24, 24, 12, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:23:13,399 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-12-02 14:23:13,399 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:23:13,399 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:23:13,399 INFO L85 PathProgramCache]: Analyzing trace with hash 877388825, now seen corresponding path program 1 times [2023-12-02 14:23:13,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:23:13,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515626456] [2023-12-02 14:23:13,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:23:13,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:23:15,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:23:16,621 INFO L134 CoverageAnalysis]: Checked inductivity of 3438 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 3395 trivial. 0 not checked. [2023-12-02 14:23:16,621 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:23:16,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515626456] [2023-12-02 14:23:16,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1515626456] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 14:23:16,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [69880825] [2023-12-02 14:23:16,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:23:16,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:23:16,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5869e191-ab92-4a13-9ac5-85eff5a7f73c/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:23:16,623 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5869e191-ab92-4a13-9ac5-85eff5a7f73c/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 14:23:16,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5869e191-ab92-4a13-9ac5-85eff5a7f73c/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 14:23:21,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:23:21,229 INFO L262 TraceCheckSpWp]: Trace formula consists of 13552 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 14:23:21,286 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:23:22,924 INFO L134 CoverageAnalysis]: Checked inductivity of 3438 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 3432 trivial. 0 not checked. [2023-12-02 14:23:22,925 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 14:23:22,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [69880825] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:23:22,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 14:23:22,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2023-12-02 14:23:22,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133903206] [2023-12-02 14:23:22,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:23:22,927 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 14:23:22,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:23:22,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 14:23:22,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-02 14:23:22,929 INFO L87 Difference]: Start difference. First operand 43402 states and 60356 transitions. Second operand has 3 states, 3 states have (on average 62.0) internal successors, (186), 3 states have internal predecessors, (186), 3 states have call successors, (75), 3 states have call predecessors, (75), 2 states have return successors, (71), 2 states have call predecessors, (71), 2 states have call successors, (71) [2023-12-02 14:23:27,740 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 [] [2023-12-02 14:23:29,593 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:23:31,616 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:23:33,619 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:23:38,473 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:23:40,485 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:23:42,716 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:23:44,720 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:23:47,453 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:23:49,455 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:23:53,528 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:23:55,533 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:23:56,760 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:23:58,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:23:58,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:23:58,853 INFO L93 Difference]: Finished difference Result 43408 states and 60360 transitions. [2023-12-02 14:23:58,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 14:23:58,853 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 62.0) internal successors, (186), 3 states have internal predecessors, (186), 3 states have call successors, (75), 3 states have call predecessors, (75), 2 states have return successors, (71), 2 states have call predecessors, (71), 2 states have call successors, (71) Word has length 822 [2023-12-02 14:23:58,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:23:58,979 INFO L225 Difference]: With dead ends: 43408 [2023-12-02 14:23:58,980 INFO L226 Difference]: Without dead ends: 43405 [2023-12-02 14:23:59,000 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 825 GetRequests, 822 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-02 14:23:59,001 INFO L413 NwaCegarLoop]: 7166 mSDtfsCounter, 1863 mSDsluCounter, 6153 mSDsCounter, 0 mSdLazyCounter, 1233 mSolverCounterSat, 0 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1863 SdHoareTripleChecker+Valid, 13319 SdHoareTripleChecker+Invalid, 1242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1233 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.0s IncrementalHoareTripleChecker+Time [2023-12-02 14:23:59,001 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1863 Valid, 13319 Invalid, 1242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1233 Invalid, 9 Unknown, 0 Unchecked, 33.0s Time] [2023-12-02 14:23:59,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43405 states. [2023-12-02 14:24:01,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43405 to 43401. [2023-12-02 14:24:01,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43401 states, 26772 states have (on average 1.30117286717466) internal successors, (34835), 27182 states have internal predecessors, (34835), 12758 states have call successors, (12758), 3871 states have call predecessors, (12758), 3870 states have return successors, (12755), 12717 states have call predecessors, (12755), 12755 states have call successors, (12755) [2023-12-02 14:24:01,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43401 states to 43401 states and 60348 transitions. [2023-12-02 14:24:01,769 INFO L78 Accepts]: Start accepts. Automaton has 43401 states and 60348 transitions. Word has length 822 [2023-12-02 14:24:01,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:24:01,770 INFO L495 AbstractCegarLoop]: Abstraction has 43401 states and 60348 transitions. [2023-12-02 14:24:01,770 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.0) internal successors, (186), 3 states have internal predecessors, (186), 3 states have call successors, (75), 3 states have call predecessors, (75), 2 states have return successors, (71), 2 states have call predecessors, (71), 2 states have call successors, (71) [2023-12-02 14:24:01,770 INFO L276 IsEmpty]: Start isEmpty. Operand 43401 states and 60348 transitions. [2023-12-02 14:24:01,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 844 [2023-12-02 14:24:01,799 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:24:01,799 INFO L195 NwaCegarLoop]: trace histogram [51, 51, 51, 51, 51, 51, 51, 51, 51, 12, 12, 12, 12, 12, 12, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:24:01,836 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5869e191-ab92-4a13-9ac5-85eff5a7f73c/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 14:24:02,000 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5869e191-ab92-4a13-9ac5-85eff5a7f73c/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-12-02 14:24:02,000 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:24:02,000 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:24:02,001 INFO L85 PathProgramCache]: Analyzing trace with hash 939249040, now seen corresponding path program 1 times [2023-12-02 14:24:02,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:24:02,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161538370] [2023-12-02 14:24:02,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:24:02,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:24:03,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:24:04,588 INFO L134 CoverageAnalysis]: Checked inductivity of 13269 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13269 trivial. 0 not checked. [2023-12-02 14:24:04,588 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:24:04,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161538370] [2023-12-02 14:24:04,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1161538370] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:24:04,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:24:04,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 14:24:04,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473344827] [2023-12-02 14:24:04,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:24:04,591 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 14:24:04,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:24:04,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 14:24:04,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 14:24:04,592 INFO L87 Difference]: Start difference. First operand 43401 states and 60348 transitions. Second operand has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 3 states have call successors, (73), 3 states have call predecessors, (73), 2 states have return successors, (70), 2 states have call predecessors, (70), 2 states have call successors, (70) [2023-12-02 14:24:08,385 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:24:10,398 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:24:12,413 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:24:14,416 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:24:19,881 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:24:21,998 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:24:24,280 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:24:27,231 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:24:29,260 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:24:32,992 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:24:35,000 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:24:36,621 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:24:38,363 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:24:40,947 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:24:42,957 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:24:43,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:24:43,105 INFO L93 Difference]: Finished difference Result 43407 states and 60352 transitions. [2023-12-02 14:24:43,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 14:24:43,106 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 3 states have call successors, (73), 3 states have call predecessors, (73), 2 states have return successors, (70), 2 states have call predecessors, (70), 2 states have call successors, (70) Word has length 843 [2023-12-02 14:24:43,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:24:43,228 INFO L225 Difference]: With dead ends: 43407 [2023-12-02 14:24:43,228 INFO L226 Difference]: Without dead ends: 43404 [2023-12-02 14:24:43,251 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 14:24:43,252 INFO L413 NwaCegarLoop]: 7423 mSDtfsCounter, 2635 mSDsluCounter, 5859 mSDsCounter, 0 mSdLazyCounter, 1212 mSolverCounterSat, 0 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2635 SdHoareTripleChecker+Valid, 13282 SdHoareTripleChecker+Invalid, 1222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1212 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.8s IncrementalHoareTripleChecker+Time [2023-12-02 14:24:43,252 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2635 Valid, 13282 Invalid, 1222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1212 Invalid, 10 Unknown, 0 Unchecked, 35.8s Time] [2023-12-02 14:24:43,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43404 states. [2023-12-02 14:24:45,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43404 to 43400. [2023-12-02 14:24:45,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43400 states, 26772 states have (on average 1.301060809801285) internal successors, (34832), 27181 states have internal predecessors, (34832), 12757 states have call successors, (12757), 3871 states have call predecessors, (12757), 3870 states have return successors, (12755), 12717 states have call predecessors, (12755), 12755 states have call successors, (12755) [2023-12-02 14:24:46,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43400 states to 43400 states and 60344 transitions. [2023-12-02 14:24:46,048 INFO L78 Accepts]: Start accepts. Automaton has 43400 states and 60344 transitions. Word has length 843 [2023-12-02 14:24:46,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:24:46,048 INFO L495 AbstractCegarLoop]: Abstraction has 43400 states and 60344 transitions. [2023-12-02 14:24:46,049 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 3 states have call successors, (73), 3 states have call predecessors, (73), 2 states have return successors, (70), 2 states have call predecessors, (70), 2 states have call successors, (70) [2023-12-02 14:24:46,049 INFO L276 IsEmpty]: Start isEmpty. Operand 43400 states and 60344 transitions. [2023-12-02 14:24:46,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 883 [2023-12-02 14:24:46,081 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:24:46,081 INFO L195 NwaCegarLoop]: trace histogram [51, 51, 51, 51, 51, 51, 51, 51, 51, 12, 12, 12, 12, 12, 12, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:24:46,081 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-12-02 14:24:46,081 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:24:46,082 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:24:46,082 INFO L85 PathProgramCache]: Analyzing trace with hash 1070205419, now seen corresponding path program 1 times [2023-12-02 14:24:46,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:24:46,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977416415] [2023-12-02 14:24:46,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:24:46,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:24:47,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:24:48,776 INFO L134 CoverageAnalysis]: Checked inductivity of 13277 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13277 trivial. 0 not checked. [2023-12-02 14:24:48,777 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:24:48,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977416415] [2023-12-02 14:24:48,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977416415] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:24:48,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:24:48,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 14:24:48,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259810757] [2023-12-02 14:24:48,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:24:48,779 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 14:24:48,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:24:48,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 14:24:48,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 14:24:48,780 INFO L87 Difference]: Start difference. First operand 43400 states and 60344 transitions. Second operand has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 3 states have call successors, (81), 3 states have call predecessors, (81), 2 states have return successors, (77), 2 states have call predecessors, (77), 2 states have call successors, (77) [2023-12-02 14:24:53,017 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:24:55,031 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:24:57,047 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:24:59,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:25:03,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:25:05,806 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:25:08,036 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:25:10,039 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:25:12,368 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:25:16,422 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:25:18,433 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:25:19,909 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:25:21,647 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:25:24,210 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:25:26,226 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:25:26,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:25:26,362 INFO L93 Difference]: Finished difference Result 43402 states and 60345 transitions. [2023-12-02 14:25:26,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 14:25:26,364 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 3 states have call successors, (81), 3 states have call predecessors, (81), 2 states have return successors, (77), 2 states have call predecessors, (77), 2 states have call successors, (77) Word has length 882 [2023-12-02 14:25:26,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:25:26,526 INFO L225 Difference]: With dead ends: 43402 [2023-12-02 14:25:26,526 INFO L226 Difference]: Without dead ends: 43399 [2023-12-02 14:25:26,555 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 14:25:26,556 INFO L413 NwaCegarLoop]: 6637 mSDtfsCounter, 708 mSDsluCounter, 6026 mSDsCounter, 0 mSdLazyCounter, 1153 mSolverCounterSat, 0 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 708 SdHoareTripleChecker+Valid, 12663 SdHoareTripleChecker+Invalid, 1165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1153 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.1s IncrementalHoareTripleChecker+Time [2023-12-02 14:25:26,556 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [708 Valid, 12663 Invalid, 1165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1153 Invalid, 12 Unknown, 0 Unchecked, 35.1s Time] [2023-12-02 14:25:26,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43399 states. [2023-12-02 14:25:29,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43399 to 43399. [2023-12-02 14:25:29,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43399 states, 26772 states have (on average 1.300239055729867) internal successors, (34810), 27180 states have internal predecessors, (34810), 12756 states have call successors, (12756), 3871 states have call predecessors, (12756), 3870 states have return successors, (12755), 12717 states have call predecessors, (12755), 12755 states have call successors, (12755) [2023-12-02 14:25:29,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43399 states to 43399 states and 60321 transitions. [2023-12-02 14:25:29,396 INFO L78 Accepts]: Start accepts. Automaton has 43399 states and 60321 transitions. Word has length 882 [2023-12-02 14:25:29,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:25:29,397 INFO L495 AbstractCegarLoop]: Abstraction has 43399 states and 60321 transitions. [2023-12-02 14:25:29,397 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 3 states have call successors, (81), 3 states have call predecessors, (81), 2 states have return successors, (77), 2 states have call predecessors, (77), 2 states have call successors, (77) [2023-12-02 14:25:29,397 INFO L276 IsEmpty]: Start isEmpty. Operand 43399 states and 60321 transitions. [2023-12-02 14:25:29,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1026 [2023-12-02 14:25:29,475 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:25:29,476 INFO L195 NwaCegarLoop]: trace histogram [51, 51, 51, 51, 51, 51, 51, 51, 51, 12, 12, 12, 12, 12, 12, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:25:29,476 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-12-02 14:25:29,476 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:25:29,476 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:25:29,477 INFO L85 PathProgramCache]: Analyzing trace with hash -2054129731, now seen corresponding path program 1 times [2023-12-02 14:25:29,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:25:29,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886756711] [2023-12-02 14:25:29,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:25:29,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:25:32,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:25:33,376 INFO L134 CoverageAnalysis]: Checked inductivity of 13331 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13331 trivial. 0 not checked. [2023-12-02 14:25:33,376 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:25:33,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886756711] [2023-12-02 14:25:33,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886756711] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:25:33,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:25:33,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 14:25:33,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580521061] [2023-12-02 14:25:33,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:25:33,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 14:25:33,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:25:33,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 14:25:33,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 14:25:33,379 INFO L87 Difference]: Start difference. First operand 43399 states and 60321 transitions. Second operand has 3 states, 3 states have (on average 76.66666666666667) internal successors, (230), 3 states have internal predecessors, (230), 2 states have call successors, (108), 2 states have call predecessors, (108), 1 states have return successors, (103), 2 states have call predecessors, (103), 2 states have call successors, (103) [2023-12-02 14:25:37,281 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 [] [2023-12-02 14:25:38,822 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:25:40,841 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:25:42,846 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:25:47,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:25:49,503 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:25:51,683 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:25:53,701 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:25:56,101 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:25:57,794 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:26:03,100 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:26:05,112 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:26:07,000 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:26:09,011 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:26:11,571 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:26:13,579 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:26:13,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:26:13,751 INFO L93 Difference]: Finished difference Result 85842 states and 119179 transitions. [2023-12-02 14:26:13,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 14:26:13,753 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 76.66666666666667) internal successors, (230), 3 states have internal predecessors, (230), 2 states have call successors, (108), 2 states have call predecessors, (108), 1 states have return successors, (103), 2 states have call predecessors, (103), 2 states have call successors, (103) Word has length 1025 [2023-12-02 14:26:13,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:26:13,910 INFO L225 Difference]: With dead ends: 85842 [2023-12-02 14:26:13,910 INFO L226 Difference]: Without dead ends: 43402 [2023-12-02 14:26:14,033 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 14:26:14,033 INFO L413 NwaCegarLoop]: 6312 mSDtfsCounter, 0 mSDsluCounter, 6308 mSDsCounter, 0 mSdLazyCounter, 1128 mSolverCounterSat, 0 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 12620 SdHoareTripleChecker+Invalid, 1141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1128 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.4s IncrementalHoareTripleChecker+Time [2023-12-02 14:26:14,034 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 12620 Invalid, 1141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1128 Invalid, 13 Unknown, 0 Unchecked, 37.4s Time] [2023-12-02 14:26:14,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43402 states. [2023-12-02 14:26:16,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43402 to 43402. [2023-12-02 14:26:16,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43402 states, 26775 states have (on average 1.300205415499533) internal successors, (34813), 27183 states have internal predecessors, (34813), 12756 states have call successors, (12756), 3871 states have call predecessors, (12756), 3870 states have return successors, (12755), 12717 states have call predecessors, (12755), 12755 states have call successors, (12755) [2023-12-02 14:26:17,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43402 states to 43402 states and 60324 transitions. [2023-12-02 14:26:17,021 INFO L78 Accepts]: Start accepts. Automaton has 43402 states and 60324 transitions. Word has length 1025 [2023-12-02 14:26:17,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:26:17,022 INFO L495 AbstractCegarLoop]: Abstraction has 43402 states and 60324 transitions. [2023-12-02 14:26:17,022 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 76.66666666666667) internal successors, (230), 3 states have internal predecessors, (230), 2 states have call successors, (108), 2 states have call predecessors, (108), 1 states have return successors, (103), 2 states have call predecessors, (103), 2 states have call successors, (103) [2023-12-02 14:26:17,022 INFO L276 IsEmpty]: Start isEmpty. Operand 43402 states and 60324 transitions. [2023-12-02 14:26:17,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1027 [2023-12-02 14:26:17,078 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:26:17,079 INFO L195 NwaCegarLoop]: trace histogram [51, 51, 51, 51, 51, 51, 51, 51, 51, 12, 12, 12, 12, 12, 12, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:26:17,079 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-12-02 14:26:17,079 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:26:17,079 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:26:17,080 INFO L85 PathProgramCache]: Analyzing trace with hash 1955946303, now seen corresponding path program 1 times [2023-12-02 14:26:17,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:26:17,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323350293] [2023-12-02 14:26:17,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:26:17,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:26:19,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:26:21,088 INFO L134 CoverageAnalysis]: Checked inductivity of 13332 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 13331 trivial. 0 not checked. [2023-12-02 14:26:21,089 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:26:21,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323350293] [2023-12-02 14:26:21,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [323350293] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 14:26:21,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1966278720] [2023-12-02 14:26:21,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:26:21,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:26:21,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5869e191-ab92-4a13-9ac5-85eff5a7f73c/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:26:21,091 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5869e191-ab92-4a13-9ac5-85eff5a7f73c/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 14:26:21,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5869e191-ab92-4a13-9ac5-85eff5a7f73c/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-02 14:26:27,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:26:27,439 INFO L262 TraceCheckSpWp]: Trace formula consists of 15761 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 14:26:27,467 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:26:27,541 INFO L134 CoverageAnalysis]: Checked inductivity of 13332 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 13317 trivial. 0 not checked. [2023-12-02 14:26:27,541 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 14:26:28,313 INFO L134 CoverageAnalysis]: Checked inductivity of 13332 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 13331 trivial. 0 not checked. [2023-12-02 14:26:28,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1966278720] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 14:26:28,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [427438904] [2023-12-02 14:26:28,347 INFO L159 IcfgInterpreter]: Started Sifa with 364 locations of interest [2023-12-02 14:26:28,347 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 14:26:28,352 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 14:26:28,358 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 14:26:28,358 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs