./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-08_1a-drivers--infiniband--core--ib_uverbs.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16fd405d-057a-4699-8438-c810a061150a/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16fd405d-057a-4699-8438-c810a061150a/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16fd405d-057a-4699-8438-c810a061150a/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16fd405d-057a-4699-8438-c810a061150a/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--infiniband--core--ib_uverbs.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16fd405d-057a-4699-8438-c810a061150a/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16fd405d-057a-4699-8438-c810a061150a/bin/utaipan-verify-sOmjnqqW8E --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 a15cb8baf04ebcdf2da2a5900f0ec70919543dab13c9a864e8457c879456985f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:35:00,618 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:35:00,688 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16fd405d-057a-4699-8438-c810a061150a/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-14 05:35:00,693 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:35:00,693 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:35:00,728 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:35:00,729 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:35:00,729 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:35:00,730 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:35:00,730 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:35:00,730 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:35:00,730 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:35:00,730 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:35:00,730 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 05:35:00,730 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:35:00,730 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:35:00,731 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 05:35:00,731 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 05:35:00,731 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:35:00,733 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 05:35:00,734 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 05:35:00,734 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 05:35:00,734 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:35:00,736 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:35:00,737 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 05:35:00,737 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:35:00,737 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:35:00,737 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:35:00,737 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:35:00,737 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:35:00,737 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:35:00,738 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:35:00,738 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:35:00,738 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:35:00,738 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:35:00,738 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:35:00,738 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:35:00,738 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:35:00,739 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:35:00,739 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 05:35:00,739 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 05:35:00,739 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:35:00,739 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:35:00,739 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 05:35:00,739 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_16fd405d-057a-4699-8438-c810a061150a/bin/utaipan-verify-sOmjnqqW8E 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 -> a15cb8baf04ebcdf2da2a5900f0ec70919543dab13c9a864e8457c879456985f [2024-11-14 05:35:01,057 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:35:01,066 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:35:01,070 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:35:01,072 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:35:01,072 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:35:01,073 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16fd405d-057a-4699-8438-c810a061150a/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--infiniband--core--ib_uverbs.ko-entry_point.cil.out.i Unable to find full path for "g++" [2024-11-14 05:35:02,892 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:35:03,683 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:35:03,683 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16fd405d-057a-4699-8438-c810a061150a/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--infiniband--core--ib_uverbs.ko-entry_point.cil.out.i [2024-11-14 05:35:03,745 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16fd405d-057a-4699-8438-c810a061150a/bin/utaipan-verify-sOmjnqqW8E/data/fcbc0f658/af66b0636faf4e5883030f21bd33160b/FLAG54704ebbc [2024-11-14 05:35:03,770 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16fd405d-057a-4699-8438-c810a061150a/bin/utaipan-verify-sOmjnqqW8E/data/fcbc0f658/af66b0636faf4e5883030f21bd33160b [2024-11-14 05:35:03,772 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:35:03,774 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:35:03,776 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:35:03,776 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:35:03,780 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:35:03,781 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:35:03" (1/1) ... [2024-11-14 05:35:03,783 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dcd0de8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:35:03, skipping insertion in model container [2024-11-14 05:35:03,784 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:35:03" (1/1) ... [2024-11-14 05:35:03,927 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:35:07,102 WARN L250 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_16fd405d-057a-4699-8438-c810a061150a/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--infiniband--core--ib_uverbs.ko-entry_point.cil.out.i[354644,354657] [2024-11-14 05:35:07,180 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:35:07,312 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:35:07,500 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"); [5096] [2024-11-14 05:35:07,503 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)); [5103] [2024-11-14 05:35:07,506 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& cpu_tss.x86_tss.sp0)); [5152] [2024-11-14 05:35:07,508 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& cpu_tss.x86_tss.sp0)); [5155] [2024-11-14 05:35:07,508 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& cpu_tss.x86_tss.sp0)); [5158] [2024-11-14 05:35:07,509 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& cpu_tss.x86_tss.sp0)); [5161] [2024-11-14 05:35:07,512 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; subl %2, %0; sete %1": "+m" (v->counter), "=qm" (c): "er" (i): "memory"); [5182-5183] [2024-11-14 05:35:07,514 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; xaddb %b0, %1\n": "+q" (__ret), "+m" (v->counter): : "memory", "cc"); [5194-5195] [2024-11-14 05:35:07,514 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; xaddw %w0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [5198-5199] [2024-11-14 05:35:07,515 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; xaddl %0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [5202-5203] [2024-11-14 05:35:07,515 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; xaddq %q0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [5206-5207] [2024-11-14 05:35:07,704 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7666] [2024-11-14 05:35:07,704 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7668] [2024-11-14 05:35:07,705 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [7682] [2024-11-14 05:35:07,705 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [7685] [2024-11-14 05:35:07,707 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [7688] [2024-11-14 05:35:07,707 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [7691] [2024-11-14 05:35:07,709 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)); [7716] [2024-11-14 05:35:07,710 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; decl %0": "+m" (v->counter)); [7723] [2024-11-14 05:35:07,710 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; decl %0; sete %1": "+m" (v->counter), "=qm" (c): : "memory"); [7731-7732] [2024-11-14 05:35:07,711 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%0": "+m" (__preempt_count)); [7745] [2024-11-14 05:35:07,711 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%0": "+m" (__preempt_count)); [7748] [2024-11-14 05:35:07,712 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%0": "+m" (__preempt_count): "qi" (val)); [7750] [2024-11-14 05:35:07,713 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%0": "+m" (__preempt_count)); [7755] [2024-11-14 05:35:07,713 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%0": "+m" (__preempt_count)); [7758] [2024-11-14 05:35:07,713 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%0": "+m" (__preempt_count): "ri" (val)); [7760] [2024-11-14 05:35:07,714 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%0": "+m" (__preempt_count)); [7765] [2024-11-14 05:35:07,714 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%0": "+m" (__preempt_count)); [7768] [2024-11-14 05:35:07,714 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%0": "+m" (__preempt_count): "ri" (val)); [7770] [2024-11-14 05:35:07,714 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%0": "+m" (__preempt_count)); [7775] [2024-11-14 05:35:07,715 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%0": "+m" (__preempt_count)); [7778] [2024-11-14 05:35:07,715 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%0": "+m" (__preempt_count): "re" (val)); [7780] [2024-11-14 05:35:07,716 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%0": "+m" (__preempt_count)); [7798] [2024-11-14 05:35:07,716 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%0": "+m" (__preempt_count)); [7801] [2024-11-14 05:35:07,716 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%0": "+m" (__preempt_count): "qi" (- val)); [7803] [2024-11-14 05:35:07,717 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%0": "+m" (__preempt_count)); [7808] [2024-11-14 05:35:07,717 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%0": "+m" (__preempt_count)); [7811] [2024-11-14 05:35:07,717 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%0": "+m" (__preempt_count): "ri" (- val)); [7813] [2024-11-14 05:35:07,718 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%0": "+m" (__preempt_count)); [7818] [2024-11-14 05:35:07,718 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%0": "+m" (__preempt_count)); [7821] [2024-11-14 05:35:07,719 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%0": "+m" (__preempt_count): "ri" (- val)); [7823] [2024-11-14 05:35:07,719 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%0": "+m" (__preempt_count)); [7828] [2024-11-14 05:35:07,719 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%0": "+m" (__preempt_count)); [7831] [2024-11-14 05:35:07,720 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%0": "+m" (__preempt_count): "re" (- val)); [7833] [2024-11-14 05:35:07,721 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7859] [2024-11-14 05:35:07,722 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7866] [2024-11-14 05:35:08,139 WARN L250 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_16fd405d-057a-4699-8438-c810a061150a/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--infiniband--core--ib_uverbs.ko-entry_point.cil.out.i[354644,354657] [2024-11-14 05:35:08,163 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:35:08,475 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:35:08,476 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:35:08 WrapperNode [2024-11-14 05:35:08,476 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:35:08,479 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:35:08,480 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:35:08,480 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:35:08,489 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:35:08" (1/1) ... [2024-11-14 05:35:08,651 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:35:08" (1/1) ... [2024-11-14 05:35:09,077 INFO L138 Inliner]: procedures = 371, calls = 4486, calls flagged for inlining = 170, calls inlined = 169, statements flattened = 10281 [2024-11-14 05:35:09,079 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:35:09,080 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:35:09,080 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:35:09,080 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:35:09,094 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:35:08" (1/1) ... [2024-11-14 05:35:09,094 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:35:08" (1/1) ... [2024-11-14 05:35:09,165 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:35:08" (1/1) ... [2024-11-14 05:35:09,166 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:35:08" (1/1) ... [2024-11-14 05:35:09,528 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:35:08" (1/1) ... [2024-11-14 05:35:09,578 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:35:08" (1/1) ... [2024-11-14 05:35:09,634 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:35:08" (1/1) ... [2024-11-14 05:35:09,668 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:35:08" (1/1) ... [2024-11-14 05:35:09,738 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:35:09,740 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:35:09,740 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:35:09,741 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:35:09,742 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:35:08" (1/1) ... [2024-11-14 05:35:09,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:35:09,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16fd405d-057a-4699-8438-c810a061150a/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:35:09,790 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16fd405d-057a-4699-8438-c810a061150a/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:35:09,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16fd405d-057a-4699-8438-c810a061150a/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:35:09,831 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2024-11-14 05:35:09,832 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2024-11-14 05:35:09,832 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_open [2024-11-14 05:35:09,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_open [2024-11-14 05:35:09,832 INFO L130 BoogieDeclarations]: Found specification of procedure put_qp_write [2024-11-14 05:35:09,833 INFO L138 BoogieDeclarations]: Found implementation of procedure put_qp_write [2024-11-14 05:35:09,833 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_close [2024-11-14 05:35:09,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_close [2024-11-14 05:35:09,833 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_qp [2024-11-14 05:35:09,833 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_qp [2024-11-14 05:35:09,833 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2024-11-14 05:35:09,834 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2024-11-14 05:35:09,834 INFO L130 BoogieDeclarations]: Found specification of procedure fdget [2024-11-14 05:35:09,834 INFO L138 BoogieDeclarations]: Found implementation of procedure fdget [2024-11-14 05:35:09,834 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_del [2024-11-14 05:35:09,834 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_del [2024-11-14 05:35:09,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2024-11-14 05:35:09,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-14 05:35:09,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-14 05:35:09,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-14 05:35:09,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-14 05:35:09,836 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-14 05:35:09,836 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_cq [2024-11-14 05:35:09,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_cq [2024-11-14 05:35:09,836 INFO L130 BoogieDeclarations]: Found specification of procedure show_ibdev [2024-11-14 05:35:09,836 INFO L138 BoogieDeclarations]: Found implementation of procedure show_ibdev [2024-11-14 05:35:09,837 INFO L130 BoogieDeclarations]: Found specification of procedure ib_query_device [2024-11-14 05:35:09,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_query_device [2024-11-14 05:35:09,837 INFO L130 BoogieDeclarations]: Found specification of procedure fd_install [2024-11-14 05:35:09,837 INFO L138 BoogieDeclarations]: Found implementation of procedure fd_install [2024-11-14 05:35:09,837 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_event_close [2024-11-14 05:35:09,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_event_close [2024-11-14 05:35:09,837 INFO L130 BoogieDeclarations]: Found specification of procedure idr_destroy [2024-11-14 05:35:09,837 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_destroy [2024-11-14 05:35:09,837 INFO L130 BoogieDeclarations]: Found specification of procedure ib_copy_to_udata [2024-11-14 05:35:09,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_copy_to_udata [2024-11-14 05:35:09,837 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2024-11-14 05:35:09,837 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2024-11-14 05:35:09,837 INFO L130 BoogieDeclarations]: Found specification of procedure put_pd_read [2024-11-14 05:35:09,837 INFO L138 BoogieDeclarations]: Found implementation of procedure put_pd_read [2024-11-14 05:35:09,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-14 05:35:09,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-14 05:35:09,837 INFO L130 BoogieDeclarations]: Found specification of procedure idr_write_qp [2024-11-14 05:35:09,837 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_write_qp [2024-11-14 05:35:09,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2024-11-14 05:35:09,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2024-11-14 05:35:09,837 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_uobj [2024-11-14 05:35:09,838 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_uobj [2024-11-14 05:35:09,838 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dealloc_xrcd [2024-11-14 05:35:09,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dealloc_xrcd [2024-11-14 05:35:09,838 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_release_file [2024-11-14 05:35:09,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_release_file [2024-11-14 05:35:09,838 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-14 05:35:09,838 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-14 05:35:09,840 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2024-11-14 05:35:09,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2024-11-14 05:35:09,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-14 05:35:09,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-14 05:35:09,841 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub_and_test [2024-11-14 05:35:09,841 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub_and_test [2024-11-14 05:35:09,841 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_pd [2024-11-14 05:35:09,841 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_pd [2024-11-14 05:35:09,841 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_modify_srq [2024-11-14 05:35:09,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_modify_srq [2024-11-14 05:35:09,841 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2024-11-14 05:35:09,841 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2024-11-14 05:35:09,841 INFO L130 BoogieDeclarations]: Found specification of procedure fdput [2024-11-14 05:35:09,841 INFO L138 BoogieDeclarations]: Found implementation of procedure fdput [2024-11-14 05:35:09,841 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-11-14 05:35:09,841 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-11-14 05:35:09,841 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_release_ucq [2024-11-14 05:35:09,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_release_ucq [2024-11-14 05:35:09,842 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2024-11-14 05:35:09,842 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2024-11-14 05:35:09,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-11-14 05:35:09,842 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-11-14 05:35:09,842 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 05:35:09,842 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 05:35:09,842 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_unmarshall_recv [2024-11-14 05:35:09,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_unmarshall_recv [2024-11-14 05:35:09,842 INFO L130 BoogieDeclarations]: Found specification of procedure idr_add_uobj [2024-11-14 05:35:09,842 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_add_uobj [2024-11-14 05:35:09,842 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-14 05:35:09,842 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-14 05:35:09,842 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_ex_query_device [2024-11-14 05:35:09,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_ex_query_device [2024-11-14 05:35:09,842 INFO L130 BoogieDeclarations]: Found specification of procedure idr_write_uobj [2024-11-14 05:35:09,842 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_write_uobj [2024-11-14 05:35:09,842 INFO L130 BoogieDeclarations]: Found specification of procedure __init_rwsem [2024-11-14 05:35:09,842 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_rwsem [2024-11-14 05:35:09,842 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2024-11-14 05:35:09,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2024-11-14 05:35:09,842 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_mmap [2024-11-14 05:35:09,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_mmap [2024-11-14 05:35:09,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-14 05:35:09,843 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-11-14 05:35:09,843 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-11-14 05:35:09,843 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_event_poll [2024-11-14 05:35:09,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_event_poll [2024-11-14 05:35:09,843 INFO L130 BoogieDeclarations]: Found specification of procedure __uverbs_create_xsrq [2024-11-14 05:35:09,843 INFO L138 BoogieDeclarations]: Found implementation of procedure __uverbs_create_xsrq [2024-11-14 05:35:09,843 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_event_fasync [2024-11-14 05:35:09,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_event_fasync [2024-11-14 05:35:09,843 INFO L130 BoogieDeclarations]: Found specification of procedure init_uobj [2024-11-14 05:35:09,843 INFO L138 BoogieDeclarations]: Found implementation of procedure init_uobj [2024-11-14 05:35:09,843 INFO L130 BoogieDeclarations]: Found specification of procedure put_xrcd_read [2024-11-14 05:35:09,843 INFO L138 BoogieDeclarations]: Found implementation of procedure put_xrcd_read [2024-11-14 05:35:09,843 INFO L130 BoogieDeclarations]: Found specification of procedure copy_query_dev_fields [2024-11-14 05:35:09,843 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_query_dev_fields [2024-11-14 05:35:09,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-14 05:35:09,843 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_alloc_event_file [2024-11-14 05:35:09,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_alloc_event_file [2024-11-14 05:35:09,843 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2024-11-14 05:35:09,843 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2024-11-14 05:35:09,843 INFO L130 BoogieDeclarations]: Found specification of procedure put_pid [2024-11-14 05:35:09,843 INFO L138 BoogieDeclarations]: Found implementation of procedure put_pid [2024-11-14 05:35:09,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-14 05:35:09,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-14 05:35:09,844 INFO L130 BoogieDeclarations]: Found specification of procedure put_uobj [2024-11-14 05:35:09,844 INFO L138 BoogieDeclarations]: Found implementation of procedure put_uobj [2024-11-14 05:35:09,844 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2024-11-14 05:35:09,844 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2024-11-14 05:35:09,844 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_event_read [2024-11-14 05:35:09,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_event_read [2024-11-14 05:35:09,847 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2024-11-14 05:35:09,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2024-11-14 05:35:09,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-14 05:35:09,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-14 05:35:09,848 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-14 05:35:09,848 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-14 05:35:09,848 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2024-11-14 05:35:09,848 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2024-11-14 05:35:09,848 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_obj [2024-11-14 05:35:09,848 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_obj [2024-11-14 05:35:09,848 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_qp [2024-11-14 05:35:09,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_qp [2024-11-14 05:35:09,848 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove_uobj [2024-11-14 05:35:09,848 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove_uobj [2024-11-14 05:35:09,848 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2024-11-14 05:35:09,848 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2024-11-14 05:35:09,848 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2024-11-14 05:35:09,848 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2024-11-14 05:35:09,848 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2024-11-14 05:35:09,848 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2024-11-14 05:35:09,848 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2024-11-14 05:35:09,848 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2024-11-14 05:35:09,848 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-14 05:35:09,848 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-14 05:35:09,848 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_ah [2024-11-14 05:35:09,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_ah [2024-11-14 05:35:09,849 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-14 05:35:09,849 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-14 05:35:09,849 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2024-11-14 05:35:09,849 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2024-11-14 05:35:09,849 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2024-11-14 05:35:09,849 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2024-11-14 05:35:09,849 INFO L130 BoogieDeclarations]: Found specification of procedure put_uobj_read [2024-11-14 05:35:09,849 INFO L138 BoogieDeclarations]: Found implementation of procedure put_uobj_read [2024-11-14 05:35:09,849 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-11-14 05:35:09,849 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-11-14 05:35:09,849 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_srq [2024-11-14 05:35:09,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_srq [2024-11-14 05:35:09,849 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_write [2024-11-14 05:35:09,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_write [2024-11-14 05:35:09,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2024-11-14 05:35:09,849 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2024-11-14 05:35:09,849 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2024-11-14 05:35:09,849 INFO L130 BoogieDeclarations]: Found specification of procedure xrcd_table_search [2024-11-14 05:35:09,849 INFO L138 BoogieDeclarations]: Found implementation of procedure xrcd_table_search [2024-11-14 05:35:09,849 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2024-11-14 05:35:09,849 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2024-11-14 05:35:09,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-14 05:35:09,849 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dealloc_mw [2024-11-14 05:35:09,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dealloc_mw [2024-11-14 05:35:09,849 INFO L130 BoogieDeclarations]: Found specification of procedure __idr_get_uobj [2024-11-14 05:35:09,849 INFO L138 BoogieDeclarations]: Found implementation of procedure __idr_get_uobj [2024-11-14 05:35:09,850 INFO L130 BoogieDeclarations]: Found specification of procedure put_uobj_write [2024-11-14 05:35:09,850 INFO L138 BoogieDeclarations]: Found implementation of procedure put_uobj_write [2024-11-14 05:35:09,850 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2024-11-14 05:35:09,850 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2024-11-14 05:35:09,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-14 05:35:09,850 INFO L130 BoogieDeclarations]: Found specification of procedure put_srq_read [2024-11-14 05:35:09,850 INFO L138 BoogieDeclarations]: Found implementation of procedure put_srq_read [2024-11-14 05:35:09,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2024-11-14 05:35:09,850 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2024-11-14 05:35:09,850 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dereg_mr [2024-11-14 05:35:09,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dereg_mr [2024-11-14 05:35:09,850 INFO L130 BoogieDeclarations]: Found specification of procedure put_unused_fd [2024-11-14 05:35:09,850 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unused_fd [2024-11-14 05:35:09,850 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2024-11-14 05:35:09,850 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2024-11-14 05:35:09,850 INFO L130 BoogieDeclarations]: Found specification of procedure create_cq [2024-11-14 05:35:09,850 INFO L138 BoogieDeclarations]: Found implementation of procedure create_cq [2024-11-14 05:35:09,850 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-14 05:35:09,850 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-14 05:35:09,850 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2024-11-14 05:35:09,850 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2024-11-14 05:35:09,850 INFO L130 BoogieDeclarations]: Found specification of procedure modify_qp_mask [2024-11-14 05:35:09,850 INFO L138 BoogieDeclarations]: Found implementation of procedure modify_qp_mask [2024-11-14 05:35:09,850 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2024-11-14 05:35:09,851 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2024-11-14 05:35:09,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-14 05:35:09,851 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2024-11-14 05:35:09,851 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2024-11-14 05:35:09,851 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_unlock [2024-11-14 05:35:09,851 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_unlock [2024-11-14 05:35:09,851 INFO L130 BoogieDeclarations]: Found specification of procedure find_first_zero_bit [2024-11-14 05:35:09,851 INFO L138 BoogieDeclarations]: Found implementation of procedure find_first_zero_bit [2024-11-14 05:35:09,855 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2024-11-14 05:35:09,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2024-11-14 05:35:09,855 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2024-11-14 05:35:09,855 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2024-11-14 05:35:09,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-14 05:35:09,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-14 05:35:09,855 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2024-11-14 05:35:09,855 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2024-11-14 05:35:09,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-14 05:35:09,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-14 05:35:09,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-14 05:35:09,856 INFO L130 BoogieDeclarations]: Found specification of procedure get_unused_fd_flags [2024-11-14 05:35:09,856 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unused_fd_flags [2024-11-14 05:35:09,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-11-14 05:35:09,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-11-14 05:35:09,856 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2024-11-14 05:35:09,856 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2024-11-14 05:35:09,856 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:35:09,856 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_xrcd [2024-11-14 05:35:09,856 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_xrcd [2024-11-14 05:35:09,856 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2024-11-14 05:35:09,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2024-11-14 05:35:09,856 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2024-11-14 05:35:09,856 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2024-11-14 05:35:09,856 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2024-11-14 05:35:09,856 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2024-11-14 05:35:09,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-14 05:35:09,856 INFO L130 BoogieDeclarations]: Found specification of procedure ib_check_mr_access [2024-11-14 05:35:09,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_check_mr_access [2024-11-14 05:35:09,856 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2024-11-14 05:35:09,856 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2024-11-14 05:35:09,856 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2024-11-14 05:35:09,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __bad_percpu_size [2024-11-14 05:35:09,856 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-14 05:35:09,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-14 05:35:09,856 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2024-11-14 05:35:09,856 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2024-11-14 05:35:09,856 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2024-11-14 05:35:09,856 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2024-11-14 05:35:09,857 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_flow [2024-11-14 05:35:09,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_flow [2024-11-14 05:35:09,857 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-11-14 05:35:09,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-11-14 05:35:09,857 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get___0 [2024-11-14 05:35:09,857 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get___0 [2024-11-14 05:35:09,857 INFO L130 BoogieDeclarations]: Found specification of procedure xrcd_table_delete [2024-11-14 05:35:09,857 INFO L138 BoogieDeclarations]: Found implementation of procedure xrcd_table_delete [2024-11-14 05:35:09,857 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_remove_one [2024-11-14 05:35:09,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_remove_one [2024-11-14 05:35:09,857 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2024-11-14 05:35:09,857 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2024-11-14 05:35:09,857 INFO L130 BoogieDeclarations]: Found specification of procedure ib_detach_mcast [2024-11-14 05:35:09,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_detach_mcast [2024-11-14 05:35:09,857 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2024-11-14 05:35:09,857 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2024-11-14 05:35:09,857 INFO L130 BoogieDeclarations]: Found specification of procedure show_dev_abi_version [2024-11-14 05:35:09,857 INFO L138 BoogieDeclarations]: Found implementation of procedure show_dev_abi_version [2024-11-14 05:35:09,857 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2024-11-14 05:35:09,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2024-11-14 05:35:09,857 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2024-11-14 05:35:09,857 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2024-11-14 05:35:09,857 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_cq [2024-11-14 05:35:09,857 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_cq [2024-11-14 05:35:09,857 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-11-14 05:35:09,857 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-11-14 05:35:09,857 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_srq [2024-11-14 05:35:09,857 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_srq [2024-11-14 05:35:09,857 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2024-11-14 05:35:09,857 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2024-11-14 05:35:09,858 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_add_one [2024-11-14 05:35:09,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_add_one [2024-11-14 05:35:09,858 INFO L130 BoogieDeclarations]: Found specification of procedure put_qp_read [2024-11-14 05:35:09,858 INFO L138 BoogieDeclarations]: Found implementation of procedure put_qp_read [2024-11-14 05:35:09,858 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-11-14 05:35:09,858 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-11-14 05:35:09,858 INFO L130 BoogieDeclarations]: Found specification of procedure no_llseek [2024-11-14 05:35:09,858 INFO L138 BoogieDeclarations]: Found implementation of procedure no_llseek [2024-11-14 05:35:09,858 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-14 05:35:09,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-14 05:35:09,862 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2024-11-14 05:35:09,862 INFO L138 BoogieDeclarations]: Found implementation of procedure device_destroy [2024-11-14 05:35:09,862 INFO L130 BoogieDeclarations]: Found specification of procedure ib_copy_from_udata [2024-11-14 05:35:09,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_copy_from_udata [2024-11-14 05:35:09,862 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2024-11-14 05:35:09,862 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2024-11-14 05:35:09,862 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_release_uevent [2024-11-14 05:35:09,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_release_uevent [2024-11-14 05:35:09,862 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-11-14 05:35:09,862 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-11-14 05:35:09,862 INFO L130 BoogieDeclarations]: Found specification of procedure put_cq_read [2024-11-14 05:35:09,862 INFO L138 BoogieDeclarations]: Found implementation of procedure put_cq_read [2024-11-14 05:35:09,862 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_modify_qp [2024-11-14 05:35:09,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_modify_qp [2024-11-14 05:35:09,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 05:35:09,863 INFO L130 BoogieDeclarations]: Found specification of procedure show_class_attr_string [2024-11-14 05:35:09,863 INFO L138 BoogieDeclarations]: Found implementation of procedure show_class_attr_string [2024-11-14 05:35:09,863 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dealloc_pd [2024-11-14 05:35:09,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dealloc_pd [2024-11-14 05:35:09,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:35:09,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:35:09,863 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~$Pointer$ [2024-11-14 05:35:09,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~$Pointer$ [2024-11-14 05:35:09,863 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-11-14 05:35:09,863 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-11-14 05:35:11,739 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:35:11,743 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:35:12,845 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-14 05:35:51,858 INFO L? ?]: Removed 3881 outVars from TransFormulas that were not future-live. [2024-11-14 05:35:51,858 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:35:54,284 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:35:54,288 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-14 05:35:54,289 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:35:54 BoogieIcfgContainer [2024-11-14 05:35:54,289 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:35:54,291 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:35:54,291 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:35:54,303 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:35:54,304 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:35:03" (1/3) ... [2024-11-14 05:35:54,304 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1aa18696 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:35:54, skipping insertion in model container [2024-11-14 05:35:54,308 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:35:08" (2/3) ... [2024-11-14 05:35:54,308 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1aa18696 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:35:54, skipping insertion in model container [2024-11-14 05:35:54,308 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:35:54" (3/3) ... [2024-11-14 05:35:54,310 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--infiniband--core--ib_uverbs.ko-entry_point.cil.out.i [2024-11-14 05:35:54,343 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:35:54,350 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--infiniband--core--ib_uverbs.ko-entry_point.cil.out.i that has 149 procedures, 2599 locations, 1 initial locations, 5 loop locations, and 1 error locations. [2024-11-14 05:35:54,569 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:35:54,587 INFO L333 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, 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;@3d45af9d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:35:54,588 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 05:35:54,604 INFO L276 IsEmpty]: Start isEmpty. Operand has 2598 states, 1565 states have (on average 1.3693290734824282) internal successors, (2143), 1645 states have internal predecessors, (2143), 884 states have call successors, (884), 148 states have call predecessors, (884), 147 states have return successors, (875), 867 states have call predecessors, (875), 875 states have call successors, (875) [2024-11-14 05:35:54,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2024-11-14 05:35:54,670 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:35:54,671 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:35:54,671 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:35:54,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:35:54,684 INFO L85 PathProgramCache]: Analyzing trace with hash 195258834, now seen corresponding path program 1 times [2024-11-14 05:35:54,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:35:54,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813607825] [2024-11-14 05:35:54,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:35:54,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:36:18,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:36:20,131 INFO L134 CoverageAnalysis]: Checked inductivity of 1745 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1745 trivial. 0 not checked. [2024-11-14 05:36:20,132 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:36:20,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813607825] [2024-11-14 05:36:20,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [813607825] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:36:20,134 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:36:20,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 05:36:20,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077374268] [2024-11-14 05:36:20,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:36:20,143 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:36:20,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:36:20,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:36:20,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:36:20,180 INFO L87 Difference]: Start difference. First operand has 2598 states, 1565 states have (on average 1.3693290734824282) internal successors, (2143), 1645 states have internal predecessors, (2143), 884 states have call successors, (884), 148 states have call predecessors, (884), 147 states have return successors, (875), 867 states have call predecessors, (875), 875 states have call successors, (875) Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-14 05:36:22,413 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:36:27,400 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:36:29,428 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:36:32,488 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:36:34,506 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:36:37,183 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:36:39,197 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:36:42,784 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:36:46,318 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:36:48,333 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:36:49,722 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:36:50,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:36:50,846 INFO L93 Difference]: Finished difference Result 7654 states and 11868 transitions. [2024-11-14 05:36:50,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:36:50,849 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 328 [2024-11-14 05:36:50,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:36:50,932 INFO L225 Difference]: With dead ends: 7654 [2024-11-14 05:36:50,932 INFO L226 Difference]: Without dead ends: 5077 [2024-11-14 05:36:50,968 INFO L431 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 [2024-11-14 05:36:50,972 INFO L432 NwaCegarLoop]: 3605 mSDtfsCounter, 3799 mSDsluCounter, 3507 mSDsCounter, 0 mSdLazyCounter, 600 mSolverCounterSat, 2 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3799 SdHoareTripleChecker+Valid, 7112 SdHoareTripleChecker+Invalid, 611 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 600 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.1s IncrementalHoareTripleChecker+Time [2024-11-14 05:36:50,976 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3799 Valid, 7112 Invalid, 611 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 600 Invalid, 9 Unknown, 0 Unchecked, 30.1s Time] [2024-11-14 05:36:51,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5077 states. [2024-11-14 05:36:51,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5077 to 5073. [2024-11-14 05:36:51,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5073 states, 3078 states have (on average 1.3664717348927875) internal successors, (4206), 3216 states have internal predecessors, (4206), 1704 states have call successors, (1704), 291 states have call predecessors, (1704), 290 states have return successors, (1709), 1685 states have call predecessors, (1709), 1702 states have call successors, (1709) [2024-11-14 05:36:51,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5073 states to 5073 states and 7619 transitions. [2024-11-14 05:36:51,566 INFO L78 Accepts]: Start accepts. Automaton has 5073 states and 7619 transitions. Word has length 328 [2024-11-14 05:36:51,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:36:51,572 INFO L471 AbstractCegarLoop]: Abstraction has 5073 states and 7619 transitions. [2024-11-14 05:36:51,572 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-14 05:36:51,573 INFO L276 IsEmpty]: Start isEmpty. Operand 5073 states and 7619 transitions. [2024-11-14 05:36:51,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2024-11-14 05:36:51,592 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:36:51,593 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 11, 11, 11, 11, 11, 11, 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] [2024-11-14 05:36:51,593 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 05:36:51,594 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:36:51,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:36:51,594 INFO L85 PathProgramCache]: Analyzing trace with hash 629175123, now seen corresponding path program 1 times [2024-11-14 05:36:51,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:36:51,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948768269] [2024-11-14 05:36:51,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:36:51,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:37:15,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:37:16,439 INFO L134 CoverageAnalysis]: Checked inductivity of 1747 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1747 trivial. 0 not checked. [2024-11-14 05:37:16,440 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:37:16,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948768269] [2024-11-14 05:37:16,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948768269] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:37:16,440 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:37:16,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 05:37:16,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120769650] [2024-11-14 05:37:16,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:37:16,443 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:37:16,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:37:16,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:37:16,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:37:16,448 INFO L87 Difference]: Start difference. First operand 5073 states and 7619 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-14 05:37:18,695 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:37:23,913 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:37:25,939 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:37:31,221 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:37:33,230 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:37:35,455 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:37:38,724 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:37:40,740 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:37:44,209 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:37:46,218 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:37:48,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:37:48,182 INFO L93 Difference]: Finished difference Result 14994 states and 23217 transitions. [2024-11-14 05:37:48,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:37:48,183 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 347 [2024-11-14 05:37:48,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:37:48,297 INFO L225 Difference]: With dead ends: 14994 [2024-11-14 05:37:48,297 INFO L226 Difference]: Without dead ends: 9982 [2024-11-14 05:37:48,336 INFO L431 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 [2024-11-14 05:37:48,338 INFO L432 NwaCegarLoop]: 3601 mSDtfsCounter, 3978 mSDsluCounter, 3589 mSDsCounter, 0 mSdLazyCounter, 608 mSolverCounterSat, 5 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3978 SdHoareTripleChecker+Valid, 7190 SdHoareTripleChecker+Invalid, 623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 608 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.8s IncrementalHoareTripleChecker+Time [2024-11-14 05:37:48,338 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3978 Valid, 7190 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 608 Invalid, 10 Unknown, 0 Unchecked, 30.8s Time] [2024-11-14 05:37:48,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9982 states. [2024-11-14 05:37:49,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9982 to 9953. [2024-11-14 05:37:49,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9953 states, 6044 states have (on average 1.3679682329583058) internal successors, (8268), 6316 states have internal predecessors, (8268), 3334 states have call successors, (3334), 575 states have call predecessors, (3334), 574 states have return successors, (4049), 3297 states have call predecessors, (4049), 3332 states have call successors, (4049) [2024-11-14 05:37:49,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9953 states to 9953 states and 15651 transitions. [2024-11-14 05:37:49,256 INFO L78 Accepts]: Start accepts. Automaton has 9953 states and 15651 transitions. Word has length 347 [2024-11-14 05:37:49,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:37:49,259 INFO L471 AbstractCegarLoop]: Abstraction has 9953 states and 15651 transitions. [2024-11-14 05:37:49,261 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-14 05:37:49,261 INFO L276 IsEmpty]: Start isEmpty. Operand 9953 states and 15651 transitions. [2024-11-14 05:37:49,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2024-11-14 05:37:49,282 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:37:49,282 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 11, 11, 11, 11, 11, 11, 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] [2024-11-14 05:37:49,283 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 05:37:49,284 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:37:49,284 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:37:49,284 INFO L85 PathProgramCache]: Analyzing trace with hash -757958336, now seen corresponding path program 1 times [2024-11-14 05:37:49,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:37:49,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547582707] [2024-11-14 05:37:49,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:37:49,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:38:08,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:38:09,357 INFO L134 CoverageAnalysis]: Checked inductivity of 1747 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1747 trivial. 0 not checked. [2024-11-14 05:38:09,358 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:38:09,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547582707] [2024-11-14 05:38:09,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547582707] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:38:09,359 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:38:09,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 05:38:09,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40162485] [2024-11-14 05:38:09,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:38:09,360 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:38:09,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:38:09,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:38:09,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:38:09,361 INFO L87 Difference]: Start difference. First operand 9953 states and 15651 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2024-11-14 05:38:11,596 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:38:15,519 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:38:17,552 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:38:20,603 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:38:21,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:38:21,868 INFO L93 Difference]: Finished difference Result 19721 states and 31009 transitions. [2024-11-14 05:38:21,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:38:21,868 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 355 [2024-11-14 05:38:21,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:38:21,952 INFO L225 Difference]: With dead ends: 19721 [2024-11-14 05:38:21,952 INFO L226 Difference]: Without dead ends: 9829 [2024-11-14 05:38:22,008 INFO L431 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 [2024-11-14 05:38:22,009 INFO L432 NwaCegarLoop]: 3528 mSDtfsCounter, 3821 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 295 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3821 SdHoareTripleChecker+Valid, 3528 SdHoareTripleChecker+Invalid, 300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 295 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.2s IncrementalHoareTripleChecker+Time [2024-11-14 05:38:22,009 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3821 Valid, 3528 Invalid, 300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 295 Invalid, 4 Unknown, 0 Unchecked, 12.2s Time] [2024-11-14 05:38:22,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9829 states. [2024-11-14 05:38:22,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9829 to 9829. [2024-11-14 05:38:22,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9829 states, 5952 states have (on average 1.364247311827957) internal successors, (8120), 6224 states have internal predecessors, (8120), 3306 states have call successors, (3306), 571 states have call predecessors, (3306), 570 states have return successors, (4017), 3269 states have call predecessors, (4017), 3304 states have call successors, (4017) [2024-11-14 05:38:22,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9829 states to 9829 states and 15443 transitions. [2024-11-14 05:38:22,637 INFO L78 Accepts]: Start accepts. Automaton has 9829 states and 15443 transitions. Word has length 355 [2024-11-14 05:38:22,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:38:22,639 INFO L471 AbstractCegarLoop]: Abstraction has 9829 states and 15443 transitions. [2024-11-14 05:38:22,640 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2024-11-14 05:38:22,640 INFO L276 IsEmpty]: Start isEmpty. Operand 9829 states and 15443 transitions. [2024-11-14 05:38:22,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2024-11-14 05:38:22,648 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:38:22,649 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 11, 11, 11, 11, 11, 11, 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] [2024-11-14 05:38:22,649 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-14 05:38:22,649 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:38:22,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:38:22,650 INFO L85 PathProgramCache]: Analyzing trace with hash -1092281314, now seen corresponding path program 1 times [2024-11-14 05:38:22,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:38:22,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331767232] [2024-11-14 05:38:22,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:38:22,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:38:40,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:38:41,844 INFO L134 CoverageAnalysis]: Checked inductivity of 1747 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1747 trivial. 0 not checked. [2024-11-14 05:38:41,844 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:38:41,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331767232] [2024-11-14 05:38:41,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1331767232] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:38:41,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:38:41,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 05:38:41,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089707654] [2024-11-14 05:38:41,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:38:41,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:38:41,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:38:41,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:38:41,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:38:41,846 INFO L87 Difference]: Start difference. First operand 9829 states and 15443 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-14 05:38:44,027 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:38:48,064 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:38:50,082 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:38:52,497 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:38:54,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:38:54,218 INFO L93 Difference]: Finished difference Result 19193 states and 30104 transitions. [2024-11-14 05:38:54,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:38:54,219 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 355 [2024-11-14 05:38:54,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:38:54,293 INFO L225 Difference]: With dead ends: 19193 [2024-11-14 05:38:54,294 INFO L226 Difference]: Without dead ends: 9425 [2024-11-14 05:38:54,339 INFO L431 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 [2024-11-14 05:38:54,340 INFO L432 NwaCegarLoop]: 3423 mSDtfsCounter, 3703 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 288 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3703 SdHoareTripleChecker+Valid, 3423 SdHoareTripleChecker+Invalid, 292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 288 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.0s IncrementalHoareTripleChecker+Time [2024-11-14 05:38:54,341 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3703 Valid, 3423 Invalid, 292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 288 Invalid, 3 Unknown, 0 Unchecked, 12.0s Time] [2024-11-14 05:38:54,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9425 states. [2024-11-14 05:38:54,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9425 to 9418. [2024-11-14 05:38:54,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9418 states, 5698 states have (on average 1.3622323622323622) internal successors, (7762), 5967 states have internal predecessors, (7762), 3171 states have call successors, (3171), 549 states have call predecessors, (3171), 548 states have return successors, (3805), 3133 states have call predecessors, (3805), 3169 states have call successors, (3805) [2024-11-14 05:38:54,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9418 states to 9418 states and 14738 transitions. [2024-11-14 05:38:54,956 INFO L78 Accepts]: Start accepts. Automaton has 9418 states and 14738 transitions. Word has length 355 [2024-11-14 05:38:54,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:38:54,958 INFO L471 AbstractCegarLoop]: Abstraction has 9418 states and 14738 transitions. [2024-11-14 05:38:54,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-14 05:38:54,958 INFO L276 IsEmpty]: Start isEmpty. Operand 9418 states and 14738 transitions. [2024-11-14 05:38:54,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2024-11-14 05:38:54,964 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:38:54,964 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 11, 11, 11, 11, 11, 11, 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] [2024-11-14 05:38:54,964 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-14 05:38:54,965 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:38:54,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:38:54,965 INFO L85 PathProgramCache]: Analyzing trace with hash 2051965973, now seen corresponding path program 1 times [2024-11-14 05:38:54,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:38:54,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949874385] [2024-11-14 05:38:54,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:38:54,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:39:12,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:39:13,523 INFO L134 CoverageAnalysis]: Checked inductivity of 1747 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1747 trivial. 0 not checked. [2024-11-14 05:39:13,524 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:39:13,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949874385] [2024-11-14 05:39:13,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949874385] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:39:13,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:39:13,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 05:39:13,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361986279] [2024-11-14 05:39:13,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:39:13,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:39:13,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:39:13,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:39:13,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:39:13,526 INFO L87 Difference]: Start difference. First operand 9418 states and 14738 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, (45), 2 states have call predecessors, (45), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2024-11-14 05:39:15,706 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:39:20,829 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:39:22,147 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:39:25,221 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:39:27,664 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:39:29,677 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:39:31,704 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:39:35,133 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:39:37,144 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:39:39,149 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:39:42,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:39:42,318 INFO L93 Difference]: Finished difference Result 28076 states and 43944 transitions. [2024-11-14 05:39:42,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:39:42,318 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, (45), 2 states have call predecessors, (45), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 369 [2024-11-14 05:39:42,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:39:42,450 INFO L225 Difference]: With dead ends: 28076 [2024-11-14 05:39:42,450 INFO L226 Difference]: Without dead ends: 18719 [2024-11-14 05:39:42,497 INFO L431 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 [2024-11-14 05:39:42,498 INFO L432 NwaCegarLoop]: 4818 mSDtfsCounter, 3684 mSDsluCounter, 3329 mSDsCounter, 0 mSdLazyCounter, 716 mSolverCounterSat, 2 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3684 SdHoareTripleChecker+Valid, 8147 SdHoareTripleChecker+Invalid, 726 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 716 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.0s IncrementalHoareTripleChecker+Time [2024-11-14 05:39:42,498 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3684 Valid, 8147 Invalid, 726 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 716 Invalid, 8 Unknown, 0 Unchecked, 28.0s Time] [2024-11-14 05:39:42,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18719 states. [2024-11-14 05:39:43,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18719 to 18701. [2024-11-14 05:39:43,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18701 states, 11318 states have (on average 1.362961654002474) internal successors, (15426), 11856 states have internal predecessors, (15426), 6290 states have call successors, (6290), 1093 states have call predecessors, (6290), 1092 states have return successors, (7552), 6215 states have call predecessors, (7552), 6288 states have call successors, (7552) [2024-11-14 05:39:43,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18701 states to 18701 states and 29268 transitions. [2024-11-14 05:39:43,742 INFO L78 Accepts]: Start accepts. Automaton has 18701 states and 29268 transitions. Word has length 369 [2024-11-14 05:39:43,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:39:43,743 INFO L471 AbstractCegarLoop]: Abstraction has 18701 states and 29268 transitions. [2024-11-14 05:39:43,744 INFO L472 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, (45), 2 states have call predecessors, (45), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2024-11-14 05:39:43,744 INFO L276 IsEmpty]: Start isEmpty. Operand 18701 states and 29268 transitions. [2024-11-14 05:39:43,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 403 [2024-11-14 05:39:43,752 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:39:43,752 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 11, 11, 11, 11, 11, 11, 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] [2024-11-14 05:39:43,752 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-14 05:39:43,752 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:39:43,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:39:43,753 INFO L85 PathProgramCache]: Analyzing trace with hash 1886100442, now seen corresponding path program 1 times [2024-11-14 05:39:43,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:39:43,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301174161] [2024-11-14 05:39:43,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:39:43,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:40:02,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:40:03,770 INFO L134 CoverageAnalysis]: Checked inductivity of 1924 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1917 trivial. 0 not checked. [2024-11-14 05:40:03,770 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:40:03,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301174161] [2024-11-14 05:40:03,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301174161] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:40:03,770 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:40:03,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 05:40:03,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609240382] [2024-11-14 05:40:03,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:40:03,771 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:40:03,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:40:03,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:40:03,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:40:03,772 INFO L87 Difference]: Start difference. First operand 18701 states and 29268 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2024-11-14 05:40:05,953 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:40:08,182 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:40:14,419 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:40:16,427 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:40:18,885 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:40:21,311 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:40:23,338 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:40:25,363 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:40:30,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:40:33,198 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:40:37,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:40:37,227 INFO L93 Difference]: Finished difference Result 46650 states and 73028 transitions. [2024-11-14 05:40:37,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:40:37,228 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) Word has length 402 [2024-11-14 05:40:37,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:40:37,434 INFO L225 Difference]: With dead ends: 46650 [2024-11-14 05:40:37,434 INFO L226 Difference]: Without dead ends: 28018 [2024-11-14 05:40:37,523 INFO L431 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 [2024-11-14 05:40:37,523 INFO L432 NwaCegarLoop]: 6505 mSDtfsCounter, 3605 mSDsluCounter, 3410 mSDsCounter, 0 mSdLazyCounter, 834 mSolverCounterSat, 4 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3605 SdHoareTripleChecker+Valid, 9915 SdHoareTripleChecker+Invalid, 848 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 834 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.3s IncrementalHoareTripleChecker+Time [2024-11-14 05:40:37,524 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3605 Valid, 9915 Invalid, 848 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 834 Invalid, 10 Unknown, 0 Unchecked, 32.3s Time] [2024-11-14 05:40:37,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28018 states. [2024-11-14 05:40:38,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28018 to 28000. [2024-11-14 05:40:39,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28000 states, 16958 states have (on average 1.3632503832999174) internal successors, (23118), 17765 states have internal predecessors, (23118), 9407 states have call successors, (9407), 1635 states have call predecessors, (9407), 1634 states have return successors, (11297), 9295 states have call predecessors, (11297), 9405 states have call successors, (11297) [2024-11-14 05:40:39,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28000 states to 28000 states and 43822 transitions. [2024-11-14 05:40:39,246 INFO L78 Accepts]: Start accepts. Automaton has 28000 states and 43822 transitions. Word has length 402 [2024-11-14 05:40:39,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:40:39,248 INFO L471 AbstractCegarLoop]: Abstraction has 28000 states and 43822 transitions. [2024-11-14 05:40:39,248 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2024-11-14 05:40:39,248 INFO L276 IsEmpty]: Start isEmpty. Operand 28000 states and 43822 transitions. [2024-11-14 05:40:39,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 419 [2024-11-14 05:40:39,256 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:40:39,257 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 11, 11, 11, 11, 11, 11, 3, 3, 3, 3, 3, 3, 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] [2024-11-14 05:40:39,257 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-14 05:40:39,257 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:40:39,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:40:39,257 INFO L85 PathProgramCache]: Analyzing trace with hash -1591865185, now seen corresponding path program 1 times [2024-11-14 05:40:39,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:40:39,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287600184] [2024-11-14 05:40:39,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:40:39,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:40:58,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:41:01,724 INFO L134 CoverageAnalysis]: Checked inductivity of 1940 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1940 trivial. 0 not checked. [2024-11-14 05:41:01,725 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:41:01,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287600184] [2024-11-14 05:41:01,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1287600184] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:41:01,725 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:41:01,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-14 05:41:01,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13529054] [2024-11-14 05:41:01,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:41:01,726 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-14 05:41:01,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:41:01,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-14 05:41:01,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-14 05:41:01,728 INFO L87 Difference]: Start difference. First operand 28000 states and 43822 transitions. Second operand has 7 states, 6 states have (on average 16.833333333333332) internal successors, (101), 5 states have internal predecessors, (101), 4 states have call successors, (48), 5 states have call predecessors, (48), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2024-11-14 05:41:03,864 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:41:06,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:41:08,351 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:41:10,586 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:41:12,808 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:41:15,051 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:41:28,783 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:41:30,795 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:41:32,815 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:41:34,827 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:41:36,840 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:41:38,622 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:41:41,913 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:41:43,927 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:41:45,961 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:41:47,985 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:41:50,004 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:41:52,018 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:42:01,285 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:42:03,294 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:42:05,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:42:07,315 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:42:09,314 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:42:11,329 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:42:14,243 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:42:19,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:42:19,372 INFO L93 Difference]: Finished difference Result 55919 states and 91098 transitions. [2024-11-14 05:42:19,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-14 05:42:19,372 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 16.833333333333332) internal successors, (101), 5 states have internal predecessors, (101), 4 states have call successors, (48), 5 states have call predecessors, (48), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) Word has length 418 [2024-11-14 05:42:19,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:42:19,598 INFO L225 Difference]: With dead ends: 55919 [2024-11-14 05:42:19,598 INFO L226 Difference]: Without dead ends: 27988 [2024-11-14 05:42:19,799 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-14 05:42:19,802 INFO L432 NwaCegarLoop]: 3409 mSDtfsCounter, 26 mSDsluCounter, 17037 mSDsCounter, 0 mSdLazyCounter, 1818 mSolverCounterSat, 19 mSolverCounterUnsat, 22 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 73.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 20446 SdHoareTripleChecker+Invalid, 1859 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1818 IncrementalHoareTripleChecker+Invalid, 22 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 76.0s IncrementalHoareTripleChecker+Time [2024-11-14 05:42:19,802 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 20446 Invalid, 1859 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [19 Valid, 1818 Invalid, 22 Unknown, 0 Unchecked, 76.0s Time] [2024-11-14 05:42:19,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27988 states. [2024-11-14 05:42:21,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27988 to 27940. [2024-11-14 05:42:21,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27940 states, 16964 states have (on average 1.3617071445413818) internal successors, (23100), 17759 states have internal predecessors, (23100), 9317 states have call successors, (9317), 1659 states have call predecessors, (9317), 1658 states have return successors, (11082), 9205 states have call predecessors, (11082), 9315 states have call successors, (11082) [2024-11-14 05:42:21,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27940 states to 27940 states and 43499 transitions. [2024-11-14 05:42:21,745 INFO L78 Accepts]: Start accepts. Automaton has 27940 states and 43499 transitions. Word has length 418 [2024-11-14 05:42:21,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:42:21,746 INFO L471 AbstractCegarLoop]: Abstraction has 27940 states and 43499 transitions. [2024-11-14 05:42:21,746 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 16.833333333333332) internal successors, (101), 5 states have internal predecessors, (101), 4 states have call successors, (48), 5 states have call predecessors, (48), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2024-11-14 05:42:21,746 INFO L276 IsEmpty]: Start isEmpty. Operand 27940 states and 43499 transitions. [2024-11-14 05:42:21,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 493 [2024-11-14 05:42:21,760 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:42:21,761 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 20, 20, 20, 20, 20, 20, 11, 11, 11, 11, 11, 11, 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] [2024-11-14 05:42:21,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-14 05:42:21,761 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:42:21,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:42:21,762 INFO L85 PathProgramCache]: Analyzing trace with hash -909606803, now seen corresponding path program 1 times [2024-11-14 05:42:21,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:42:21,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266513084] [2024-11-14 05:42:21,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:42:21,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:42:43,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:42:44,806 INFO L134 CoverageAnalysis]: Checked inductivity of 2304 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2300 trivial. 0 not checked. [2024-11-14 05:42:44,808 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:42:44,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266513084] [2024-11-14 05:42:44,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [266513084] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:42:44,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:42:44,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 05:42:44,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063521651] [2024-11-14 05:42:44,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:42:44,811 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:42:44,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:42:44,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:42:44,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:42:44,814 INFO L87 Difference]: Start difference. First operand 27940 states and 43499 transitions. Second operand has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 3 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55) [2024-11-14 05:42:46,963 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:42:49,264 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:42:56,122 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:42:58,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:43:00,794 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:43:03,106 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:43:05,133 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:43:07,154 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:43:12,216 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:43:14,245 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:43:16,250 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:43:20,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:43:20,104 INFO L93 Difference]: Finished difference Result 69330 states and 108812 transitions. [2024-11-14 05:43:20,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:43:20,105 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 3 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55) Word has length 492 [2024-11-14 05:43:20,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:43:20,437 INFO L225 Difference]: With dead ends: 69330 [2024-11-14 05:43:20,437 INFO L226 Difference]: Without dead ends: 41459 [2024-11-14 05:43:20,602 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:43:20,603 INFO L432 NwaCegarLoop]: 3986 mSDtfsCounter, 3559 mSDsluCounter, 3485 mSDsCounter, 0 mSdLazyCounter, 663 mSolverCounterSat, 10 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3559 SdHoareTripleChecker+Valid, 7471 SdHoareTripleChecker+Invalid, 684 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 663 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.7s IncrementalHoareTripleChecker+Time [2024-11-14 05:43:20,603 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3559 Valid, 7471 Invalid, 684 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 663 Invalid, 11 Unknown, 0 Unchecked, 33.7s Time] [2024-11-14 05:43:20,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41459 states. [2024-11-14 05:43:23,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41459 to 41327. [2024-11-14 05:43:23,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41327 states, 25150 states have (on average 1.362624254473161) internal successors, (34270), 26326 states have internal predecessors, (34270), 13728 states have call successors, (13728), 2449 states have call predecessors, (13728), 2448 states have return successors, (17239), 13565 states have call predecessors, (17239), 13726 states have call successors, (17239) [2024-11-14 05:43:23,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41327 states to 41327 states and 65237 transitions. [2024-11-14 05:43:23,515 INFO L78 Accepts]: Start accepts. Automaton has 41327 states and 65237 transitions. Word has length 492 [2024-11-14 05:43:23,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:43:23,516 INFO L471 AbstractCegarLoop]: Abstraction has 41327 states and 65237 transitions. [2024-11-14 05:43:23,517 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 3 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55) [2024-11-14 05:43:23,517 INFO L276 IsEmpty]: Start isEmpty. Operand 41327 states and 65237 transitions. [2024-11-14 05:43:23,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 496 [2024-11-14 05:43:23,529 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:43:23,530 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 20, 20, 20, 20, 20, 20, 11, 11, 11, 11, 11, 11, 3, 3, 3, 3, 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] [2024-11-14 05:43:23,530 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-14 05:43:23,530 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:43:23,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:43:23,531 INFO L85 PathProgramCache]: Analyzing trace with hash 1924784757, now seen corresponding path program 1 times [2024-11-14 05:43:23,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:43:23,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006218698] [2024-11-14 05:43:23,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:43:23,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:43:46,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:43:52,655 INFO L134 CoverageAnalysis]: Checked inductivity of 2316 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 2306 trivial. 0 not checked. [2024-11-14 05:43:52,655 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:43:52,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006218698] [2024-11-14 05:43:52,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2006218698] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 05:43:52,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1871348247] [2024-11-14 05:43:52,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:43:52,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:43:52,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16fd405d-057a-4699-8438-c810a061150a/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:43:52,659 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16fd405d-057a-4699-8438-c810a061150a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:43:52,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16fd405d-057a-4699-8438-c810a061150a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 05:44:17,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:44:17,167 INFO L255 TraceCheckSpWp]: Trace formula consists of 8398 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-14 05:44:17,205 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:44:28,613 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 05:44:28,614 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 143 treesize of output 119 [2024-11-14 05:44:28,778 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 05:44:28,778 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 116 treesize of output 105 [2024-11-14 05:44:30,625 INFO L134 CoverageAnalysis]: Checked inductivity of 2316 backedges. 12 proven. 360 refuted. 0 times theorem prover too weak. 1944 trivial. 0 not checked. [2024-11-14 05:44:30,625 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:44:46,961 INFO L134 CoverageAnalysis]: Checked inductivity of 2316 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2316 trivial. 0 not checked. [2024-11-14 05:44:46,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1871348247] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-14 05:44:46,962 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-14 05:44:46,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [9, 10] total 23 [2024-11-14 05:44:46,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393862074] [2024-11-14 05:44:46,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:44:46,964 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-14 05:44:46,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:44:46,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-14 05:44:46,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=425, Unknown=0, NotChecked=0, Total=506 [2024-11-14 05:44:46,966 INFO L87 Difference]: Start difference. First operand 41327 states and 65237 transitions. Second operand has 10 states, 10 states have (on average 12.8) internal successors, (128), 9 states have internal predecessors, (128), 5 states have call successors, (60), 5 states have call predecessors, (60), 2 states have return successors, (57), 5 states have call predecessors, (57), 4 states have call successors, (57) [2024-11-14 05:44:49,197 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:44:51,470 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:44:53,723 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:45:20,477 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:45:22,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:45:24,491 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:45:27,711 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:45:29,718 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:45:31,729 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:45:34,939 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:45:44,791 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:46:07,959 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:46:09,966 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:46:18,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:46:39,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:46:39,013 INFO L93 Difference]: Finished difference Result 61983 states and 99364 transitions. [2024-11-14 05:46:39,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 05:46:39,014 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 12.8) internal successors, (128), 9 states have internal predecessors, (128), 5 states have call successors, (60), 5 states have call predecessors, (60), 2 states have return successors, (57), 5 states have call predecessors, (57), 4 states have call successors, (57) Word has length 495 [2024-11-14 05:46:39,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:46:39,521 INFO L225 Difference]: With dead ends: 61983 [2024-11-14 05:46:39,521 INFO L226 Difference]: Without dead ends: 61980 [2024-11-14 05:46:39,568 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 999 GetRequests, 971 SyntacticMatches, 6 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 7.1s TimeCoverageRelationStatistics Valid=92, Invalid=460, Unknown=0, NotChecked=0, Total=552 [2024-11-14 05:46:39,569 INFO L432 NwaCegarLoop]: 6716 mSDtfsCounter, 11142 mSDsluCounter, 3449 mSDsCounter, 0 mSdLazyCounter, 4813 mSolverCounterSat, 3351 mSolverCounterUnsat, 14 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 106.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11142 SdHoareTripleChecker+Valid, 10165 SdHoareTripleChecker+Invalid, 8178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3351 IncrementalHoareTripleChecker+Valid, 4813 IncrementalHoareTripleChecker+Invalid, 14 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 109.1s IncrementalHoareTripleChecker+Time [2024-11-14 05:46:39,569 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11142 Valid, 10165 Invalid, 8178 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3351 Valid, 4813 Invalid, 14 Unknown, 0 Unchecked, 109.1s Time] [2024-11-14 05:46:39,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61980 states. [2024-11-14 05:46:42,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61980 to 61965. [2024-11-14 05:46:42,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61965 states, 37713 states have (on average 1.3629782833505688) internal successors, (51402), 39477 states have internal predecessors, (51402), 20581 states have call successors, (20581), 3671 states have call predecessors, (20581), 3670 states have return successors, (27350), 20337 states have call predecessors, (27350), 20579 states have call successors, (27350) [2024-11-14 05:46:43,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61965 states to 61965 states and 99333 transitions. [2024-11-14 05:46:43,965 INFO L78 Accepts]: Start accepts. Automaton has 61965 states and 99333 transitions. Word has length 495 [2024-11-14 05:46:43,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:46:43,968 INFO L471 AbstractCegarLoop]: Abstraction has 61965 states and 99333 transitions. [2024-11-14 05:46:43,968 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 12.8) internal successors, (128), 9 states have internal predecessors, (128), 5 states have call successors, (60), 5 states have call predecessors, (60), 2 states have return successors, (57), 5 states have call predecessors, (57), 4 states have call successors, (57) [2024-11-14 05:46:43,969 INFO L276 IsEmpty]: Start isEmpty. Operand 61965 states and 99333 transitions. [2024-11-14 05:46:44,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 507 [2024-11-14 05:46:44,001 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:46:44,002 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 20, 20, 20, 20, 20, 20, 11, 11, 11, 11, 11, 11, 4, 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] [2024-11-14 05:46:44,112 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16fd405d-057a-4699-8438-c810a061150a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-14 05:46:44,202 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16fd405d-057a-4699-8438-c810a061150a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:46:44,203 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:46:44,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:46:44,204 INFO L85 PathProgramCache]: Analyzing trace with hash 374813629, now seen corresponding path program 1 times [2024-11-14 05:46:44,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:46:44,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968141294] [2024-11-14 05:46:44,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:46:44,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:47:09,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:47:15,044 INFO L134 CoverageAnalysis]: Checked inductivity of 2313 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 2303 trivial. 0 not checked. [2024-11-14 05:47:15,044 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:47:15,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968141294] [2024-11-14 05:47:15,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [968141294] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 05:47:15,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [849128474] [2024-11-14 05:47:15,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:47:15,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:47:15,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16fd405d-057a-4699-8438-c810a061150a/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:47:15,048 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16fd405d-057a-4699-8438-c810a061150a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:47:15,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16fd405d-057a-4699-8438-c810a061150a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process