./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--cx231xx--cx231xx.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c464fa8-6f35-4202-a4ad-46ee180564d2/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c464fa8-6f35-4202-a4ad-46ee180564d2/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c464fa8-6f35-4202-a4ad-46ee180564d2/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c464fa8-6f35-4202-a4ad-46ee180564d2/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--cx231xx--cx231xx.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c464fa8-6f35-4202-a4ad-46ee180564d2/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c464fa8-6f35-4202-a4ad-46ee180564d2/bin/utaipan-verify-nQ1chXbOIh --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash cce0b8812083e74f4211b2335fe3373d3a5207bd9444b45c0107381c3ec0838b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 15:34:19,346 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 15:34:19,409 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c464fa8-6f35-4202-a4ad-46ee180564d2/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-12-02 15:34:19,414 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 15:34:19,415 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 15:34:19,438 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 15:34:19,439 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 15:34:19,440 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 15:34:19,441 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 15:34:19,441 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 15:34:19,442 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 15:34:19,442 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 15:34:19,443 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 15:34:19,443 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 15:34:19,444 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 15:34:19,444 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 15:34:19,445 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 15:34:19,445 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 15:34:19,446 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 15:34:19,446 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 15:34:19,446 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 15:34:19,450 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 15:34:19,451 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 15:34:19,451 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 15:34:19,452 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 15:34:19,452 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 15:34:19,453 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 15:34:19,453 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 15:34:19,453 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 15:34:19,454 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 15:34:19,454 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 15:34:19,454 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 15:34:19,454 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 15:34:19,455 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 15:34:19,455 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:34:19,455 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 15:34:19,455 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 15:34:19,455 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 15:34:19,456 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 15:34:19,456 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 15:34:19,456 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 15:34:19,456 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 15:34:19,457 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 15:34:19,457 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 15:34:19,457 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c464fa8-6f35-4202-a4ad-46ee180564d2/bin/utaipan-verify-nQ1chXbOIh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c464fa8-6f35-4202-a4ad-46ee180564d2/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cce0b8812083e74f4211b2335fe3373d3a5207bd9444b45c0107381c3ec0838b [2023-12-02 15:34:19,685 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 15:34:19,707 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 15:34:19,710 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 15:34:19,711 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 15:34:19,711 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 15:34:19,713 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c464fa8-6f35-4202-a4ad-46ee180564d2/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--cx231xx--cx231xx.ko-entry_point.cil.out.i [2023-12-02 15:34:22,402 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 15:34:23,091 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 15:34:23,092 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c464fa8-6f35-4202-a4ad-46ee180564d2/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--cx231xx--cx231xx.ko-entry_point.cil.out.i [2023-12-02 15:34:23,160 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c464fa8-6f35-4202-a4ad-46ee180564d2/bin/utaipan-verify-nQ1chXbOIh/data/16fbe58ca/fdaf1e8ad3ab41c787a1993b7c323b51/FLAG9de0a8f63 [2023-12-02 15:34:23,175 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c464fa8-6f35-4202-a4ad-46ee180564d2/bin/utaipan-verify-nQ1chXbOIh/data/16fbe58ca/fdaf1e8ad3ab41c787a1993b7c323b51 [2023-12-02 15:34:23,178 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 15:34:23,179 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 15:34:23,181 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 15:34:23,181 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 15:34:23,186 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 15:34:23,187 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:34:23" (1/1) ... [2023-12-02 15:34:23,188 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@273d3e40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:34:23, skipping insertion in model container [2023-12-02 15:34:23,188 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:34:23" (1/1) ... [2023-12-02 15:34:23,436 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 15:34:23,943 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [4850] [2023-12-02 15:34:24,544 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c464fa8-6f35-4202-a4ad-46ee180564d2/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--cx231xx--cx231xx.ko-entry_point.cil.out.i[230460,230473] [2023-12-02 15:34:29,078 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:34:29,271 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 15:34:29,403 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [4850] [2023-12-02 15:34:29,437 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"); [7732] [2023-12-02 15:34:29,439 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& kernel_stack)); [7759] [2023-12-02 15:34:29,439 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [7762] [2023-12-02 15:34:29,440 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [7765] [2023-12-02 15:34:29,440 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [7768] [2023-12-02 15:34:29,445 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c464fa8-6f35-4202-a4ad-46ee180564d2/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--cx231xx--cx231xx.ko-entry_point.cil.out.i[230460,230473] [2023-12-02 15:34:29,489 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers--X--defaultlinux-3.12-rc1.tar.xz--X--144_2a--X--cpachecker/linux-3.12-rc1.tar.xz/csd_deg_dscv/2078/dscv_tempdir/dscv/ri/144_2a/drivers/media/usb/cx231xx/cx231xx-video.o.c.prepared"), "i" (767), "i" (12UL)); [8799-8800] [2023-12-02 15:34:30,117 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers--X--defaultlinux-3.12-rc1.tar.xz--X--144_2a--X--cpachecker/linux-3.12-rc1.tar.xz/csd_deg_dscv/2078/dscv_tempdir/dscv/ri/144_2a/drivers/media/usb/cx231xx/cx231xx-i2c.o.c.prepared"), "i" (584), "i" (12UL)); [12625-12626] [2023-12-02 15:34:30,161 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)); [12705] [2023-12-02 15:34:30,161 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [12713-12714] [2023-12-02 15:34:30,272 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/inst/current/envs/linux-3.12-rc1.tar.xz/linux-3.12-rc1/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [14076-14077] [2023-12-02 15:34:30,272 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (44UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [14082-14084] [2023-12-02 15:34:30,272 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)); [14098] [2023-12-02 15:34:30,273 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)); [14105] [2023-12-02 15:34:30,494 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"); [21017-21018] [2023-12-02 15:34:30,494 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"); [21021-21022] [2023-12-02 15:34:30,495 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"); [21025-21026] [2023-12-02 15:34:30,495 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"); [21029-21030] [2023-12-02 15:34:30,495 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; cmpxchgb %2,%1": "=a" (__ret), "+m" (*__ptr): "q" (__new), "0" (__old): "memory"); [21062-21063] [2023-12-02 15:34:30,496 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; cmpxchgw %2,%1": "=a" (__ret), "+m" (*__ptr___0): "r" (__new), "0" (__old): "memory"); [21067-21068] [2023-12-02 15:34:30,496 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; cmpxchgl %2,%1": "=a" (__ret), "+m" (*__ptr___1): "r" (__new), "0" (__old): "memory"); [21072-21073] [2023-12-02 15:34:30,496 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; cmpxchgq %2,%1": "=a" (__ret), "+m" (*__ptr___2): "r" (__new), "0" (__old): "memory"); [21077-21078] [2023-12-02 15:34:30,520 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers--X--defaultlinux-3.12-rc1.tar.xz--X--144_2a--X--cpachecker/linux-3.12-rc1.tar.xz/csd_deg_dscv/2078/dscv_tempdir/dscv/ri/144_2a/drivers/media/usb/cx231xx/cx231xx-417.o.c.prepared"), "i" (1328), "i" (12UL)); [22132-22133] [2023-12-02 15:34:30,714 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers--X--defaultlinux-3.12-rc1.tar.xz--X--144_2a--X--cpachecker/linux-3.12-rc1.tar.xz/csd_deg_dscv/2078/dscv_tempdir/dscv/ri/144_2a/drivers/media/usb/cx231xx/cx231xx-vbi.o.c.prepared"), "i" (280), "i" (12UL)); [24264-24265] [2023-12-02 15:34:30,775 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:34:31,176 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 15:34:31,176 WARN L675 CHandler]: The function __xadd_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 15:34:31,177 WARN L675 CHandler]: The function __cmpxchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 15:34:31,177 WARN L675 CHandler]: The function __VERIFIER_nondet_u32 is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 15:34:31,177 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 15:34:31,185 INFO L206 MainTranslator]: Completed translation [2023-12-02 15:34:31,186 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:34:31 WrapperNode [2023-12-02 15:34:31,186 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 15:34:31,188 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 15:34:31,188 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 15:34:31,188 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 15:34:31,196 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:34:31" (1/1) ... [2023-12-02 15:34:31,602 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:34:31" (1/1) ... [2023-12-02 15:34:33,641 INFO L138 Inliner]: procedures = 527, calls = 24029, calls flagged for inlining = 211, calls inlined = 210, statements flattened = 32126 [2023-12-02 15:34:33,642 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 15:34:33,643 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 15:34:33,643 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 15:34:33,643 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 15:34:33,653 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:34:31" (1/1) ... [2023-12-02 15:34:33,653 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:34:31" (1/1) ... [2023-12-02 15:34:34,554 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:34:31" (1/1) ... [2023-12-02 15:34:34,555 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:34:31" (1/1) ... [2023-12-02 15:34:37,528 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:34:31" (1/1) ... [2023-12-02 15:34:37,592 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:34:31" (1/1) ... [2023-12-02 15:34:37,747 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:34:31" (1/1) ... [2023-12-02 15:34:37,802 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:34:31" (1/1) ... [2023-12-02 15:34:37,978 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 15:34:37,979 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 15:34:37,979 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 15:34:37,980 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 15:34:37,980 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:34:31" (1/1) ... [2023-12-02 15:34:37,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:34:37,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c464fa8-6f35-4202-a4ad-46ee180564d2/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:34:38,009 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c464fa8-6f35-4202-a4ad-46ee180564d2/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 15:34:38,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c464fa8-6f35-4202-a4ad-46ee180564d2/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 15:34:38,045 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_streamoff [2023-12-02 15:34:38,045 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_streamoff [2023-12-02 15:34:38,045 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_init_extension [2023-12-02 15:34:38,045 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_init_extension [2023-12-02 15:34:38,046 INFO L130 BoogieDeclarations]: Found specification of procedure mc417_memory_write [2023-12-02 15:34:38,046 INFO L138 BoogieDeclarations]: Found implementation of procedure mc417_memory_write [2023-12-02 15:34:38,046 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_dif_configure_C2HH_for_low_IF [2023-12-02 15:34:38,046 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_dif_configure_C2HH_for_low_IF [2023-12-02 15:34:38,046 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_reqbufs [2023-12-02 15:34:38,047 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_reqbufs [2023-12-02 15:34:38,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2023-12-02 15:34:38,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2023-12-02 15:34:38,047 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_load_firmware [2023-12-02 15:34:38,047 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_load_firmware [2023-12-02 15:34:38,047 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_do_mode_ctrl_overrides [2023-12-02 15:34:38,048 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_do_mode_ctrl_overrides [2023-12-02 15:34:38,048 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_get_gpio_bit [2023-12-02 15:34:38,048 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_get_gpio_bit [2023-12-02 15:34:38,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-12-02 15:34:38,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-12-02 15:34:38,049 INFO L130 BoogieDeclarations]: Found specification of procedure vid_blk_write_word [2023-12-02 15:34:38,049 INFO L138 BoogieDeclarations]: Found implementation of procedure vid_blk_write_word [2023-12-02 15:34:38,049 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_mci_complete [2023-12-02 15:34:38,049 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_mci_complete [2023-12-02 15:34:38,049 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_set_audio_decoder_input [2023-12-02 15:34:38,049 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_set_audio_decoder_input [2023-12-02 15:34:38,049 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_device_unregister [2023-12-02 15:34:38,049 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_device_unregister [2023-12-02 15:34:38,050 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_fh_exit [2023-12-02 15:34:38,050 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_fh_exit [2023-12-02 15:34:38,050 INFO L130 BoogieDeclarations]: Found specification of procedure vbi_buffer_setup [2023-12-02 15:34:38,050 INFO L138 BoogieDeclarations]: Found implementation of procedure vbi_buffer_setup [2023-12-02 15:34:38,050 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-12-02 15:34:38,050 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-12-02 15:34:38,050 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_find_boundary_SAV_EAV [2023-12-02 15:34:38,051 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_find_boundary_SAV_EAV [2023-12-02 15:34:38,051 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_dif_set_standard [2023-12-02 15:34:38,051 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_dif_set_standard [2023-12-02 15:34:38,051 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_read_ctrl_reg [2023-12-02 15:34:38,051 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_read_ctrl_reg [2023-12-02 15:34:38,052 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_send_gpio_cmd [2023-12-02 15:34:38,052 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_send_gpio_cmd [2023-12-02 15:34:38,052 INFO L130 BoogieDeclarations]: Found specification of procedure res_free [2023-12-02 15:34:38,052 INFO L138 BoogieDeclarations]: Found implementation of procedure res_free [2023-12-02 15:34:38,052 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_g_register [2023-12-02 15:34:38,052 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_g_register [2023-12-02 15:34:38,052 INFO L130 BoogieDeclarations]: Found specification of procedure set_itvc_reg [2023-12-02 15:34:38,053 INFO L138 BoogieDeclarations]: Found implementation of procedure set_itvc_reg [2023-12-02 15:34:38,053 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-12-02 15:34:38,053 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-12-02 15:34:38,053 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_set_gpio_bit [2023-12-02 15:34:38,053 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_set_gpio_bit [2023-12-02 15:34:38,054 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_dev_uninit [2023-12-02 15:34:38,054 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_dev_uninit [2023-12-02 15:34:38,054 INFO L130 BoogieDeclarations]: Found specification of procedure free_buffer [2023-12-02 15:34:38,054 INFO L138 BoogieDeclarations]: Found implementation of procedure free_buffer [2023-12-02 15:34:38,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_29 [2023-12-02 15:34:38,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_29 [2023-12-02 15:34:38,054 INFO L130 BoogieDeclarations]: Found specification of procedure uninitGPIO [2023-12-02 15:34:38,055 INFO L138 BoogieDeclarations]: Found implementation of procedure uninitGPIO [2023-12-02 15:34:38,055 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_gpio_set [2023-12-02 15:34:38,055 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_gpio_set [2023-12-02 15:34:38,055 INFO L130 BoogieDeclarations]: Found specification of procedure __request_module [2023-12-02 15:34:38,055 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_module [2023-12-02 15:34:38,056 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-02 15:34:38,056 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2023-12-02 15:34:38,056 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2023-12-02 15:34:38,056 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_free [2023-12-02 15:34:38,056 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_free [2023-12-02 15:34:38,056 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_to_vmalloc [2023-12-02 15:34:38,056 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_to_vmalloc [2023-12-02 15:34:38,056 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-12-02 15:34:38,056 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-12-02 15:34:38,057 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2023-12-02 15:34:38,057 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2023-12-02 15:34:38,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_15 [2023-12-02 15:34:38,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_15 [2023-12-02 15:34:38,057 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_fh_init [2023-12-02 15:34:38,057 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_fh_init [2023-12-02 15:34:38,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_16 [2023-12-02 15:34:38,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_16 [2023-12-02 15:34:38,058 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2023-12-02 15:34:38,058 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2023-12-02 15:34:38,058 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_poll [2023-12-02 15:34:38,058 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_poll [2023-12-02 15:34:38,058 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-12-02 15:34:38,058 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-12-02 15:34:38,059 INFO L130 BoogieDeclarations]: Found specification of procedure video_devdata [2023-12-02 15:34:38,059 INFO L138 BoogieDeclarations]: Found implementation of procedure video_devdata [2023-12-02 15:34:38,059 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_enum_input [2023-12-02 15:34:38,059 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_enum_input [2023-12-02 15:34:38,059 INFO L130 BoogieDeclarations]: Found specification of procedure vid_blk_read_word [2023-12-02 15:34:38,059 INFO L138 BoogieDeclarations]: Found implementation of procedure vid_blk_read_word [2023-12-02 15:34:38,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 15:34:38,060 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_i2s_blk_set_audio_input [2023-12-02 15:34:38,060 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_i2s_blk_set_audio_input [2023-12-02 15:34:38,060 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_dqbuf [2023-12-02 15:34:38,060 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_dqbuf [2023-12-02 15:34:38,060 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_config_tuner [2023-12-02 15:34:38,060 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_config_tuner [2023-12-02 15:34:38,060 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_reg_mask_write [2023-12-02 15:34:38,060 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_reg_mask_write [2023-12-02 15:34:38,060 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-12-02 15:34:38,061 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-12-02 15:34:38,061 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-12-02 15:34:38,061 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-12-02 15:34:38,061 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_afe_setup_AFE_for_baseband [2023-12-02 15:34:38,061 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_afe_setup_AFE_for_baseband [2023-12-02 15:34:38,061 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_set_field [2023-12-02 15:34:38,061 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_set_field [2023-12-02 15:34:38,062 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-12-02 15:34:38,062 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-12-02 15:34:38,062 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~v4l2_std_id~0~TO~int [2023-12-02 15:34:38,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~v4l2_std_id~0~TO~int [2023-12-02 15:34:38,062 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_add_handler [2023-12-02 15:34:38,062 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_add_handler [2023-12-02 15:34:38,062 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_gpio_i2c_start [2023-12-02 15:34:38,063 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_gpio_i2c_start [2023-12-02 15:34:38,063 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_ir_exit [2023-12-02 15:34:38,063 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_ir_exit [2023-12-02 15:34:38,063 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_try_fmt_vid_cap [2023-12-02 15:34:38,063 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_try_fmt_vid_cap [2023-12-02 15:34:38,064 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_config_i2c [2023-12-02 15:34:38,064 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_config_i2c [2023-12-02 15:34:38,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-12-02 15:34:38,064 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_card_setup [2023-12-02 15:34:38,064 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_card_setup [2023-12-02 15:34:38,064 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_Setup_AFE_for_LowIF [2023-12-02 15:34:38,065 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_Setup_AFE_for_LowIF [2023-12-02 15:34:38,065 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_mode_register [2023-12-02 15:34:38,065 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_mode_register [2023-12-02 15:34:38,065 INFO L130 BoogieDeclarations]: Found specification of procedure free_buffer___0 [2023-12-02 15:34:38,065 INFO L138 BoogieDeclarations]: Found implementation of procedure free_buffer___0 [2023-12-02 15:34:38,065 INFO L130 BoogieDeclarations]: Found specification of procedure free_buffer___1 [2023-12-02 15:34:38,065 INFO L138 BoogieDeclarations]: Found implementation of procedure free_buffer___1 [2023-12-02 15:34:38,066 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-12-02 15:34:38,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-12-02 15:34:38,066 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2023-12-02 15:34:38,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2023-12-02 15:34:38,066 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_i2s_blk_initialize [2023-12-02 15:34:38,066 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_i2s_blk_initialize [2023-12-02 15:34:38,066 INFO L130 BoogieDeclarations]: Found specification of procedure video_ioctl2 [2023-12-02 15:34:38,066 INFO L138 BoogieDeclarations]: Found implementation of procedure video_ioctl2 [2023-12-02 15:34:38,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-12-02 15:34:38,067 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_qbuf [2023-12-02 15:34:38,067 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_qbuf [2023-12-02 15:34:38,067 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_try_fmt_vid_cap___0 [2023-12-02 15:34:38,067 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_try_fmt_vid_cap___0 [2023-12-02 15:34:38,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 15:34:38,067 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_gpio_i2c_read_ack [2023-12-02 15:34:38,067 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_gpio_i2c_read_ack [2023-12-02 15:34:38,067 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-12-02 15:34:38,067 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-12-02 15:34:38,068 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_gpio_i2c_end [2023-12-02 15:34:38,068 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_gpio_i2c_end [2023-12-02 15:34:38,068 INFO L130 BoogieDeclarations]: Found specification of procedure bb_buf_setup [2023-12-02 15:34:38,068 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_buf_setup [2023-12-02 15:34:38,068 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2023-12-02 15:34:38,069 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2023-12-02 15:34:38,069 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_v4l2_poll [2023-12-02 15:34:38,069 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_v4l2_poll [2023-12-02 15:34:38,069 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_disable_ioctl [2023-12-02 15:34:38,069 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_disable_ioctl [2023-12-02 15:34:38,069 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-12-02 15:34:38,069 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-12-02 15:34:38,069 INFO L130 BoogieDeclarations]: Found specification of procedure mc417_register_read [2023-12-02 15:34:38,069 INFO L138 BoogieDeclarations]: Found implementation of procedure mc417_register_read [2023-12-02 15:34:38,069 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_set_agc_analog_digital_mux_select [2023-12-02 15:34:38,070 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_set_agc_analog_digital_mux_select [2023-12-02 15:34:38,070 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-12-02 15:34:38,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-12-02 15:34:38,070 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_afe_init_channels [2023-12-02 15:34:38,070 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_afe_init_channels [2023-12-02 15:34:38,070 INFO L130 BoogieDeclarations]: Found specification of procedure cx2341x_handler_set_50hz [2023-12-02 15:34:38,070 INFO L138 BoogieDeclarations]: Found implementation of procedure cx2341x_handler_set_50hz [2023-12-02 15:34:38,070 INFO L130 BoogieDeclarations]: Found specification of procedure video_is_registered [2023-12-02 15:34:38,070 INFO L138 BoogieDeclarations]: Found implementation of procedure video_is_registered [2023-12-02 15:34:38,071 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_subscribe_event [2023-12-02 15:34:38,071 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_subscribe_event [2023-12-02 15:34:38,071 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_set_gpio_direction [2023-12-02 15:34:38,071 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_set_gpio_direction [2023-12-02 15:34:38,071 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_uninit_bulk [2023-12-02 15:34:38,071 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_uninit_bulk [2023-12-02 15:34:38,071 INFO L130 BoogieDeclarations]: Found specification of procedure video_unregister_device [2023-12-02 15:34:38,072 INFO L138 BoogieDeclarations]: Found implementation of procedure video_unregister_device [2023-12-02 15:34:38,072 INFO L130 BoogieDeclarations]: Found specification of procedure mc417_register_write [2023-12-02 15:34:38,072 INFO L138 BoogieDeclarations]: Found implementation of procedure mc417_register_write [2023-12-02 15:34:38,072 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 15:34:38,072 INFO L130 BoogieDeclarations]: Found specification of procedure __usb_control_msg [2023-12-02 15:34:38,072 INFO L138 BoogieDeclarations]: Found implementation of procedure __usb_control_msg [2023-12-02 15:34:38,072 INFO L130 BoogieDeclarations]: Found specification of procedure video_mux [2023-12-02 15:34:38,073 INFO L138 BoogieDeclarations]: Found implementation of procedure video_mux [2023-12-02 15:34:38,073 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_set_mode [2023-12-02 15:34:38,073 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_set_mode [2023-12-02 15:34:38,073 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_set_gpio_value [2023-12-02 15:34:38,073 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_set_gpio_value [2023-12-02 15:34:38,073 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_try_fmt_vbi_cap [2023-12-02 15:34:38,073 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_try_fmt_vbi_cap [2023-12-02 15:34:38,074 INFO L130 BoogieDeclarations]: Found specification of procedure restartAudioFirmware [2023-12-02 15:34:38,074 INFO L138 BoogieDeclarations]: Found implementation of procedure restartAudioFirmware [2023-12-02 15:34:38,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 15:34:38,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-12-02 15:34:38,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-12-02 15:34:38,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 15:34:38,074 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-12-02 15:34:38,075 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-12-02 15:34:38,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-12-02 15:34:38,075 INFO L130 BoogieDeclarations]: Found specification of procedure mpeg_poll [2023-12-02 15:34:38,075 INFO L138 BoogieDeclarations]: Found implementation of procedure mpeg_poll [2023-12-02 15:34:38,075 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-12-02 15:34:38,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-12-02 15:34:38,075 INFO L130 BoogieDeclarations]: Found specification of procedure buffer_queue [2023-12-02 15:34:38,075 INFO L138 BoogieDeclarations]: Found implementation of procedure buffer_queue [2023-12-02 15:34:38,075 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_set_model [2023-12-02 15:34:38,075 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_set_model [2023-12-02 15:34:38,076 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_streamon [2023-12-02 15:34:38,076 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_streamon [2023-12-02 15:34:38,076 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_release_resources [2023-12-02 15:34:38,076 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_release_resources [2023-12-02 15:34:38,076 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_dev_init [2023-12-02 15:34:38,076 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_dev_init [2023-12-02 15:34:38,076 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_iolock [2023-12-02 15:34:38,076 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_iolock [2023-12-02 15:34:38,076 INFO L130 BoogieDeclarations]: Found specification of procedure video_set_drvdata [2023-12-02 15:34:38,076 INFO L138 BoogieDeclarations]: Found implementation of procedure video_set_drvdata [2023-12-02 15:34:38,077 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_init_dev [2023-12-02 15:34:38,077 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_init_dev [2023-12-02 15:34:38,077 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_master_recv [2023-12-02 15:34:38,077 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_master_recv [2023-12-02 15:34:38,077 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_uninit_isoc [2023-12-02 15:34:38,077 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_uninit_isoc [2023-12-02 15:34:38,077 INFO L130 BoogieDeclarations]: Found specification of procedure format_by_fourcc [2023-12-02 15:34:38,077 INFO L138 BoogieDeclarations]: Found implementation of procedure format_by_fourcc [2023-12-02 15:34:38,077 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_get_timestamp [2023-12-02 15:34:38,077 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_get_timestamp [2023-12-02 15:34:38,078 INFO L130 BoogieDeclarations]: Found specification of procedure vbi_buffer_queue [2023-12-02 15:34:38,078 INFO L138 BoogieDeclarations]: Found implementation of procedure vbi_buffer_queue [2023-12-02 15:34:38,078 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-12-02 15:34:38,078 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-12-02 15:34:38,078 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-12-02 15:34:38,078 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-12-02 15:34:38,078 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_event_unsubscribe [2023-12-02 15:34:38,078 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_event_unsubscribe [2023-12-02 15:34:38,078 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_i2s_blk_update_power_control [2023-12-02 15:34:38,078 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_i2s_blk_update_power_control [2023-12-02 15:34:38,079 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_init_class [2023-12-02 15:34:38,079 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_init_class [2023-12-02 15:34:38,079 INFO L130 BoogieDeclarations]: Found specification of procedure poll_requested_events [2023-12-02 15:34:38,079 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_requested_events [2023-12-02 15:34:38,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2023-12-02 15:34:38,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2023-12-02 15:34:38,080 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2023-12-02 15:34:38,080 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2023-12-02 15:34:38,080 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_i2c_register [2023-12-02 15:34:38,080 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_i2c_register [2023-12-02 15:34:38,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 15:34:38,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 15:34:38,081 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_afe_init_super_block [2023-12-02 15:34:38,081 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_afe_init_super_block [2023-12-02 15:34:38,081 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_alloc [2023-12-02 15:34:38,081 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_alloc [2023-12-02 15:34:38,081 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_read_i2c_data [2023-12-02 15:34:38,081 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_read_i2c_data [2023-12-02 15:34:38,082 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2023-12-02 15:34:38,082 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-12-02 15:34:38,082 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-12-02 15:34:38,082 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-12-02 15:34:38,082 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-12-02 15:34:38,082 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_i2c_new_subdev [2023-12-02 15:34:38,083 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_i2c_new_subdev [2023-12-02 15:34:38,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-12-02 15:34:38,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-12-02 15:34:38,083 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-12-02 15:34:38,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-12-02 15:34:38,083 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2023-12-02 15:34:38,084 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2023-12-02 15:34:38,084 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_querycap [2023-12-02 15:34:38,084 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_querycap [2023-12-02 15:34:38,084 INFO L130 BoogieDeclarations]: Found specification of procedure stopAudioFirmware [2023-12-02 15:34:38,084 INFO L138 BoogieDeclarations]: Found implementation of procedure stopAudioFirmware [2023-12-02 15:34:38,084 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_bulk_urb_23 [2023-12-02 15:34:38,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_bulk_urb_23 [2023-12-02 15:34:38,085 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_enable656 [2023-12-02 15:34:38,085 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_enable656 [2023-12-02 15:34:38,085 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_g_input [2023-12-02 15:34:38,085 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_g_input [2023-12-02 15:34:38,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2023-12-02 15:34:38,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2023-12-02 15:34:38,086 INFO L130 BoogieDeclarations]: Found specification of procedure bb_buf_queue [2023-12-02 15:34:38,086 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_buf_queue [2023-12-02 15:34:38,086 INFO L130 BoogieDeclarations]: Found specification of procedure cmd_to_str [2023-12-02 15:34:38,086 INFO L138 BoogieDeclarations]: Found implementation of procedure cmd_to_str [2023-12-02 15:34:38,087 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_i2c_unregister [2023-12-02 15:34:38,087 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_i2c_unregister [2023-12-02 15:34:38,087 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_mmap_mapper [2023-12-02 15:34:38,087 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_mmap_mapper [2023-12-02 15:34:38,087 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_release [2023-12-02 15:34:38,087 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_release [2023-12-02 15:34:38,088 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2023-12-02 15:34:38,088 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2023-12-02 15:34:38,088 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-12-02 15:34:38,088 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-12-02 15:34:38,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-12-02 15:34:38,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-12-02 15:34:38,088 INFO L130 BoogieDeclarations]: Found specification of procedure res_get [2023-12-02 15:34:38,089 INFO L138 BoogieDeclarations]: Found implementation of procedure res_get [2023-12-02 15:34:38,089 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_mmap_free [2023-12-02 15:34:38,089 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_mmap_free [2023-12-02 15:34:38,089 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_s_input [2023-12-02 15:34:38,089 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_s_input [2023-12-02 15:34:38,089 INFO L130 BoogieDeclarations]: Found specification of procedure vid_blk_write_byte [2023-12-02 15:34:38,089 INFO L138 BoogieDeclarations]: Found implementation of procedure vid_blk_write_byte [2023-12-02 15:34:38,089 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2023-12-02 15:34:38,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2023-12-02 15:34:38,090 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-12-02 15:34:38,090 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-12-02 15:34:38,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-02 15:34:38,090 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-02 15:34:38,090 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 15:34:38,090 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 15:34:38,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___4 [2023-12-02 15:34:38,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___4 [2023-12-02 15:34:38,090 INFO L130 BoogieDeclarations]: Found specification of procedure video_drvdata [2023-12-02 15:34:38,090 INFO L138 BoogieDeclarations]: Found implementation of procedure video_drvdata [2023-12-02 15:34:38,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_va_arg [2023-12-02 15:34:38,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_va_arg [2023-12-02 15:34:38,091 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_pre_card_setup [2023-12-02 15:34:38,091 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_pre_card_setup [2023-12-02 15:34:38,091 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2023-12-02 15:34:38,091 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2023-12-02 15:34:38,091 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_s_register [2023-12-02 15:34:38,091 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_s_register [2023-12-02 15:34:38,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 15:34:38,091 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_get_vbi_line [2023-12-02 15:34:38,092 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_get_vbi_line [2023-12-02 15:34:38,092 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-12-02 15:34:38,092 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-12-02 15:34:38,092 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2023-12-02 15:34:38,092 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2023-12-02 15:34:38,092 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_read_stream [2023-12-02 15:34:38,092 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_read_stream [2023-12-02 15:34:38,092 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_config [2023-12-02 15:34:38,092 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_config [2023-12-02 15:34:38,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_6 [2023-12-02 15:34:38,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_6 [2023-12-02 15:34:38,093 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_s_video_encoding [2023-12-02 15:34:38,093 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_s_video_encoding [2023-12-02 15:34:38,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 15:34:38,093 INFO L130 BoogieDeclarations]: Found specification of procedure vid_blk_read_byte [2023-12-02 15:34:38,093 INFO L138 BoogieDeclarations]: Found implementation of procedure vid_blk_read_byte [2023-12-02 15:34:38,093 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_enable_i2c_port_3 [2023-12-02 15:34:38,093 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_enable_i2c_port_3 [2023-12-02 15:34:38,093 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2023-12-02 15:34:38,094 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2023-12-02 15:34:38,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-02 15:34:38,094 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-12-02 15:34:38,094 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-12-02 15:34:38,094 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_node_name [2023-12-02 15:34:38,094 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_node_name [2023-12-02 15:34:38,094 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_gpio_i2c_write_byte [2023-12-02 15:34:38,094 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_gpio_i2c_write_byte [2023-12-02 15:34:38,094 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_afe_adjust_ref_count [2023-12-02 15:34:38,094 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_afe_adjust_ref_count [2023-12-02 15:34:38,095 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2023-12-02 15:34:38,095 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2023-12-02 15:34:38,095 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-12-02 15:34:38,095 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-12-02 15:34:38,095 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_write_i2c_data [2023-12-02 15:34:38,095 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_write_i2c_data [2023-12-02 15:34:38,095 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_init_bulk [2023-12-02 15:34:38,096 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_init_bulk [2023-12-02 15:34:38,096 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-12-02 15:34:38,096 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-12-02 15:34:38,096 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-12-02 15:34:38,096 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-12-02 15:34:38,096 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_stop [2023-12-02 15:34:38,096 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_stop [2023-12-02 15:34:38,097 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_g_tuner [2023-12-02 15:34:38,097 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_g_tuner [2023-12-02 15:34:38,097 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_reset_vbi_buffer [2023-12-02 15:34:38,097 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_reset_vbi_buffer [2023-12-02 15:34:38,097 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2023-12-02 15:34:38,097 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2023-12-02 15:34:38,098 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_s_tuner [2023-12-02 15:34:38,098 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_s_tuner [2023-12-02 15:34:38,098 INFO L130 BoogieDeclarations]: Found specification of procedure afe_read_byte [2023-12-02 15:34:38,098 INFO L138 BoogieDeclarations]: Found implementation of procedure afe_read_byte [2023-12-02 15:34:38,098 INFO L130 BoogieDeclarations]: Found specification of procedure buffer_copy [2023-12-02 15:34:38,099 INFO L138 BoogieDeclarations]: Found implementation of procedure buffer_copy [2023-12-02 15:34:38,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-12-02 15:34:38,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-12-02 15:34:38,099 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_v4l2_close [2023-12-02 15:34:38,099 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_v4l2_close [2023-12-02 15:34:38,099 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_isoc_irq_callback [2023-12-02 15:34:38,100 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_isoc_irq_callback [2023-12-02 15:34:38,100 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_initialize_codec [2023-12-02 15:34:38,100 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_initialize_codec [2023-12-02 15:34:38,100 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-12-02 15:34:38,100 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-12-02 15:34:38,100 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_vmalloc_free [2023-12-02 15:34:38,101 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_vmalloc_free [2023-12-02 15:34:38,101 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_set_audio_input [2023-12-02 15:34:38,101 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_set_audio_input [2023-12-02 15:34:38,101 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_set_video_input_mux [2023-12-02 15:34:38,101 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_set_video_input_mux [2023-12-02 15:34:38,101 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_poll_stream [2023-12-02 15:34:38,102 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_poll_stream [2023-12-02 15:34:38,102 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_capture_start [2023-12-02 15:34:38,102 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_capture_start [2023-12-02 15:34:38,102 INFO L130 BoogieDeclarations]: Found specification of procedure video_register_device [2023-12-02 15:34:38,102 INFO L138 BoogieDeclarations]: Found implementation of procedure video_register_device [2023-12-02 15:34:38,102 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_init_ctrl_pin_status [2023-12-02 15:34:38,102 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_init_ctrl_pin_status [2023-12-02 15:34:38,103 INFO L130 BoogieDeclarations]: Found specification of procedure initGPIO [2023-12-02 15:34:38,103 INFO L138 BoogieDeclarations]: Found implementation of procedure initGPIO [2023-12-02 15:34:38,103 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_queue_is_busy [2023-12-02 15:34:38,103 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_queue_is_busy [2023-12-02 15:34:38,103 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-12-02 15:34:38,103 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-12-02 15:34:38,104 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_querybuf [2023-12-02 15:34:38,104 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_querybuf [2023-12-02 15:34:38,104 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_cmpxchg [2023-12-02 15:34:38,104 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_cmpxchg [2023-12-02 15:34:38,104 INFO L130 BoogieDeclarations]: Found specification of procedure mc417_memory_read [2023-12-02 15:34:38,105 INFO L138 BoogieDeclarations]: Found implementation of procedure mc417_memory_read [2023-12-02 15:34:38,105 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_usb_disconnect [2023-12-02 15:34:38,105 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_usb_disconnect [2023-12-02 15:34:38,105 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_init_isoc [2023-12-02 15:34:38,105 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_init_isoc [2023-12-02 15:34:38,105 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-12-02 15:34:38,105 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-12-02 15:34:38,105 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_usb_probe [2023-12-02 15:34:38,106 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_usb_probe [2023-12-02 15:34:38,106 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_afe_set_input_mux [2023-12-02 15:34:38,106 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_afe_set_input_mux [2023-12-02 15:34:38,106 INFO L130 BoogieDeclarations]: Found specification of procedure verve_read_byte [2023-12-02 15:34:38,106 INFO L138 BoogieDeclarations]: Found implementation of procedure verve_read_byte [2023-12-02 15:34:38,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 15:34:38,106 INFO L130 BoogieDeclarations]: Found specification of procedure is_tuner [2023-12-02 15:34:38,106 INFO L138 BoogieDeclarations]: Found implementation of procedure is_tuner [2023-12-02 15:34:38,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-12-02 15:34:38,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-12-02 15:34:38,107 INFO L130 BoogieDeclarations]: Found specification of procedure afe_write_byte [2023-12-02 15:34:38,107 INFO L138 BoogieDeclarations]: Found implementation of procedure afe_write_byte [2023-12-02 15:34:38,107 INFO L130 BoogieDeclarations]: Found specification of procedure mpeg_open [2023-12-02 15:34:38,107 INFO L138 BoogieDeclarations]: Found implementation of procedure mpeg_open [2023-12-02 15:34:38,107 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_fh_add [2023-12-02 15:34:38,107 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_fh_add [2023-12-02 15:34:38,107 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_set_decoder_video_input [2023-12-02 15:34:38,107 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_set_decoder_video_input [2023-12-02 15:34:38,108 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_uninit_vbi_isoc [2023-12-02 15:34:38,108 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_uninit_vbi_isoc [2023-12-02 15:34:38,108 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_bulk_irq_callback [2023-12-02 15:34:38,108 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_bulk_irq_callback [2023-12-02 15:34:38,108 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_v4l2_mmap [2023-12-02 15:34:38,108 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_v4l2_mmap [2023-12-02 15:34:38,108 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_set_alt_setting [2023-12-02 15:34:38,108 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_set_alt_setting [2023-12-02 15:34:38,108 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2023-12-02 15:34:38,108 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2023-12-02 15:34:38,108 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_afe_update_power_control [2023-12-02 15:34:38,109 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_afe_update_power_control [2023-12-02 15:34:38,109 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_read_modify_write_i2c_dword [2023-12-02 15:34:38,109 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_read_modify_write_i2c_dword [2023-12-02 15:34:38,109 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_event_pending [2023-12-02 15:34:38,109 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_event_pending [2023-12-02 15:34:38,109 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_write_ctrl_reg [2023-12-02 15:34:38,109 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_write_ctrl_reg [2023-12-02 15:34:38,109 INFO L130 BoogieDeclarations]: Found specification of procedure mpeg_release [2023-12-02 15:34:38,109 INFO L138 BoogieDeclarations]: Found implementation of procedure mpeg_release [2023-12-02 15:34:38,109 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_log_status [2023-12-02 15:34:38,110 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_log_status [2023-12-02 15:34:38,110 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_register_analog_devices [2023-12-02 15:34:38,110 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_register_analog_devices [2023-12-02 15:34:38,110 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_send_vendor_cmd [2023-12-02 15:34:38,110 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_send_vendor_cmd [2023-12-02 15:34:38,110 INFO L130 BoogieDeclarations]: Found specification of procedure check_dev [2023-12-02 15:34:38,110 INFO L138 BoogieDeclarations]: Found implementation of procedure check_dev [2023-12-02 15:34:38,110 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_g_chip_info [2023-12-02 15:34:38,110 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_g_chip_info [2023-12-02 15:34:38,110 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2023-12-02 15:34:38,110 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2023-12-02 15:34:38,111 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2023-12-02 15:34:38,111 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2023-12-02 15:34:38,111 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-12-02 15:34:38,111 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-12-02 15:34:38,111 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_s_audio_sampling_freq [2023-12-02 15:34:38,111 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_s_audio_sampling_freq [2023-12-02 15:34:38,111 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_s_frequency [2023-12-02 15:34:38,111 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_s_frequency [2023-12-02 15:34:38,111 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_afe_set_mode [2023-12-02 15:34:38,111 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_afe_set_mode [2023-12-02 15:34:38,112 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_queue_vmalloc_init [2023-12-02 15:34:38,112 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_queue_vmalloc_init [2023-12-02 15:34:38,112 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~X~~u8~0~TO~int [2023-12-02 15:34:38,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~X~~u8~0~TO~int [2023-12-02 15:34:38,112 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_disable656 [2023-12-02 15:34:38,112 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_disable656 [2023-12-02 15:34:38,112 INFO L130 BoogieDeclarations]: Found specification of procedure buffer_setup [2023-12-02 15:34:38,112 INFO L138 BoogieDeclarations]: Found implementation of procedure buffer_setup [2023-12-02 15:34:38,112 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2023-12-02 15:34:38,112 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2023-12-02 15:34:38,112 INFO L130 BoogieDeclarations]: Found specification of procedure get_itvc_reg [2023-12-02 15:34:38,113 INFO L138 BoogieDeclarations]: Found implementation of procedure get_itvc_reg [2023-12-02 15:34:38,113 INFO L130 BoogieDeclarations]: Found specification of procedure print_err_status [2023-12-02 15:34:38,113 INFO L138 BoogieDeclarations]: Found implementation of procedure print_err_status [2023-12-02 15:34:38,113 INFO L130 BoogieDeclarations]: Found specification of procedure norm_maxw [2023-12-02 15:34:38,113 INFO L138 BoogieDeclarations]: Found implementation of procedure norm_maxw [2023-12-02 15:34:38,113 INFO L130 BoogieDeclarations]: Found specification of procedure verve_write_byte [2023-12-02 15:34:38,113 INFO L138 BoogieDeclarations]: Found implementation of procedure verve_write_byte [2023-12-02 15:34:38,113 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_find_next_SAV_EAV [2023-12-02 15:34:38,114 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_find_next_SAV_EAV [2023-12-02 15:34:38,114 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_set_power_mode [2023-12-02 15:34:38,114 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_set_power_mode [2023-12-02 15:34:38,114 INFO L130 BoogieDeclarations]: Found specification of procedure norm_maxh [2023-12-02 15:34:38,114 INFO L138 BoogieDeclarations]: Found implementation of procedure norm_maxh [2023-12-02 15:34:38,114 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-12-02 15:34:38,115 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-12-02 15:34:38,115 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-12-02 15:34:38,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-12-02 15:34:38,115 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_api_cmd [2023-12-02 15:34:38,115 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_api_cmd [2023-12-02 15:34:38,115 INFO L130 BoogieDeclarations]: Found specification of procedure mpeg_mmap [2023-12-02 15:34:38,115 INFO L138 BoogieDeclarations]: Found implementation of procedure mpeg_mmap [2023-12-02 15:34:38,116 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_close [2023-12-02 15:34:38,116 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_close [2023-12-02 15:34:38,116 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_g_frequency [2023-12-02 15:34:38,116 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_g_frequency [2023-12-02 15:34:38,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 15:34:38,116 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_vdev_init [2023-12-02 15:34:38,117 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_vdev_init [2023-12-02 15:34:38,117 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_get_video_line [2023-12-02 15:34:38,117 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_get_video_line [2023-12-02 15:34:38,117 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_irq_vbi_callback [2023-12-02 15:34:38,117 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_irq_vbi_callback [2023-12-02 15:34:38,117 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_v4l2_open [2023-12-02 15:34:38,118 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_v4l2_open [2023-12-02 15:34:38,118 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_fh_del [2023-12-02 15:34:38,118 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_fh_del [2023-12-02 15:34:40,319 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 15:34:40,325 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 15:34:40,813 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-12-02 15:34:42,818 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___4FINAL: assume true; [2023-12-02 15:36:31,545 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 15:36:47,566 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 15:36:47,566 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-12-02 15:36:47,570 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:36:47 BoogieIcfgContainer [2023-12-02 15:36:47,571 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 15:36:47,573 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 15:36:47,574 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 15:36:47,577 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 15:36:47,577 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:34:23" (1/3) ... [2023-12-02 15:36:47,578 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55a06d47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:36:47, skipping insertion in model container [2023-12-02 15:36:47,578 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:34:31" (2/3) ... [2023-12-02 15:36:47,578 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55a06d47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:36:47, skipping insertion in model container [2023-12-02 15:36:47,578 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:36:47" (3/3) ... [2023-12-02 15:36:47,579 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--cx231xx--cx231xx.ko-entry_point.cil.out.i [2023-12-02 15:36:47,598 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 15:36:47,599 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 15:36:47,740 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 15:36:47,747 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6a0f72c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 15:36:47,747 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 15:36:47,775 INFO L276 IsEmpty]: Start isEmpty. Operand has 5651 states, 3507 states have (on average 1.3105218135158254) internal successors, (4596), 3567 states have internal predecessors, (4596), 1885 states have call successors, (1885), 259 states have call predecessors, (1885), 257 states have return successors, (1868), 1860 states have call predecessors, (1868), 1868 states have call successors, (1868) [2023-12-02 15:36:47,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-02 15:36:47,791 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:36:47,791 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:36:47,792 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:36:47,796 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:36:47,796 INFO L85 PathProgramCache]: Analyzing trace with hash 2137159881, now seen corresponding path program 1 times [2023-12-02 15:36:47,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:36:47,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530365725] [2023-12-02 15:36:47,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:36:47,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:36:49,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:36:51,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 15:36:51,361 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:36:51,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530365725] [2023-12-02 15:36:51,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530365725] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:36:51,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:36:51,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 15:36:51,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685058462] [2023-12-02 15:36:51,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:36:51,368 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 15:36:51,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:36:51,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 15:36:51,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 15:36:51,402 INFO L87 Difference]: Start difference. First operand has 5651 states, 3507 states have (on average 1.3105218135158254) internal successors, (4596), 3567 states have internal predecessors, (4596), 1885 states have call successors, (1885), 259 states have call predecessors, (1885), 257 states have return successors, (1868), 1860 states have call predecessors, (1868), 1868 states have call successors, (1868) Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-02 15:36:55,533 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:37:02,289 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:37:11,274 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:37:13,316 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:37:16,925 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:37:18,932 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:37:25,883 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:37:27,890 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:37:29,957 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:37:31,969 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:37:34,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:37:35,624 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 15:37:38,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:37:38,040 INFO L93 Difference]: Finished difference Result 16878 states and 26002 transitions. [2023-12-02 15:37:38,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 15:37:38,043 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2023-12-02 15:37:38,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:37:38,152 INFO L225 Difference]: With dead ends: 16878 [2023-12-02 15:37:38,152 INFO L226 Difference]: Without dead ends: 11180 [2023-12-02 15:37:38,213 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 15:37:38,216 INFO L413 NwaCegarLoop]: 7595 mSDtfsCounter, 8229 mSDsluCounter, 7581 mSDsCounter, 0 mSdLazyCounter, 1503 mSolverCounterSat, 3 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8229 SdHoareTripleChecker+Valid, 15176 SdHoareTripleChecker+Invalid, 1515 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1503 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 45.8s IncrementalHoareTripleChecker+Time [2023-12-02 15:37:38,217 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8229 Valid, 15176 Invalid, 1515 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 1503 Invalid, 9 Unknown, 0 Unchecked, 45.8s Time] [2023-12-02 15:37:38,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11180 states. [2023-12-02 15:37:38,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11180 to 11180. [2023-12-02 15:37:38,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11180 states, 6962 states have (on average 1.3043665613329503) internal successors, (9081), 7040 states have internal predecessors, (9081), 3705 states have call successors, (3705), 513 states have call predecessors, (3705), 512 states have return successors, (3700), 3684 states have call predecessors, (3700), 3700 states have call successors, (3700) [2023-12-02 15:37:38,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11180 states to 11180 states and 16486 transitions. [2023-12-02 15:37:38,972 INFO L78 Accepts]: Start accepts. Automaton has 11180 states and 16486 transitions. Word has length 26 [2023-12-02 15:37:38,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:37:38,972 INFO L495 AbstractCegarLoop]: Abstraction has 11180 states and 16486 transitions. [2023-12-02 15:37:38,973 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-02 15:37:38,973 INFO L276 IsEmpty]: Start isEmpty. Operand 11180 states and 16486 transitions. [2023-12-02 15:37:38,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-02 15:37:38,980 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:37:38,980 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-02 15:37:38,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 15:37:38,980 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:37:38,981 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:37:38,981 INFO L85 PathProgramCache]: Analyzing trace with hash 1727011328, now seen corresponding path program 1 times [2023-12-02 15:37:38,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:37:38,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595129021] [2023-12-02 15:37:38,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:37:38,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:37:39,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:37:43,501 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 15:37:43,501 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:37:43,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595129021] [2023-12-02 15:37:43,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595129021] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:37:43,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:37:43,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 15:37:43,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796615593] [2023-12-02 15:37:43,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:37:43,503 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 15:37:43,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:37:43,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 15:37:43,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 15:37:43,504 INFO L87 Difference]: Start difference. First operand 11180 states and 16486 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-02 15:37:48,654 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:37:57,580 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:38:03,116 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:38:04,711 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:38:11,083 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:38:15,434 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:38:17,436 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:38:22,084 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:38:23,731 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:38:27,369 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:38:29,380 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:38:31,438 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:38:33,221 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:38:34,231 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 15:38:38,703 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:38:41,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:38:41,859 INFO L93 Difference]: Finished difference Result 22225 states and 32787 transitions. [2023-12-02 15:38:41,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 15:38:41,860 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 34 [2023-12-02 15:38:41,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:38:42,030 INFO L225 Difference]: With dead ends: 22225 [2023-12-02 15:38:42,030 INFO L226 Difference]: Without dead ends: 22222 [2023-12-02 15:38:42,051 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 15:38:42,052 INFO L413 NwaCegarLoop]: 7558 mSDtfsCounter, 8167 mSDsluCounter, 7536 mSDsCounter, 0 mSdLazyCounter, 1505 mSolverCounterSat, 1 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 55.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8167 SdHoareTripleChecker+Valid, 15094 SdHoareTripleChecker+Invalid, 1515 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1505 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 57.5s IncrementalHoareTripleChecker+Time [2023-12-02 15:38:42,052 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8167 Valid, 15094 Invalid, 1515 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1505 Invalid, 9 Unknown, 0 Unchecked, 57.5s Time] [2023-12-02 15:38:42,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22222 states. [2023-12-02 15:38:43,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22222 to 22210. [2023-12-02 15:38:43,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22210 states, 13839 states have (on average 1.3049353276970879) internal successors, (18059), 13997 states have internal predecessors, (18059), 7352 states have call successors, (7352), 1021 states have call predecessors, (7352), 1018 states have return successors, (7359), 7307 states have call predecessors, (7359), 7347 states have call successors, (7359) [2023-12-02 15:38:43,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22210 states to 22210 states and 32770 transitions. [2023-12-02 15:38:43,313 INFO L78 Accepts]: Start accepts. Automaton has 22210 states and 32770 transitions. Word has length 34 [2023-12-02 15:38:43,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:38:43,314 INFO L495 AbstractCegarLoop]: Abstraction has 22210 states and 32770 transitions. [2023-12-02 15:38:43,315 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-02 15:38:43,315 INFO L276 IsEmpty]: Start isEmpty. Operand 22210 states and 32770 transitions. [2023-12-02 15:38:43,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-02 15:38:43,318 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:38:43,318 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-02 15:38:43,318 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-02 15:38:43,318 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:38:43,319 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:38:43,319 INFO L85 PathProgramCache]: Analyzing trace with hash 1994627718, now seen corresponding path program 1 times [2023-12-02 15:38:43,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:38:43,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003554053] [2023-12-02 15:38:43,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:38:43,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:38:44,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:38:47,360 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 15:38:47,361 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:38:47,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003554053] [2023-12-02 15:38:47,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003554053] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:38:47,361 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:38:47,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 15:38:47,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319611935] [2023-12-02 15:38:47,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:38:47,362 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 15:38:47,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:38:47,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 15:38:47,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 15:38:47,363 INFO L87 Difference]: Start difference. First operand 22210 states and 32770 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-02 15:38:50,853 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:38:52,880 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:39:07,472 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:39:12,370 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:39:14,388 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:39:25,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:39:27,473 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:39:29,558 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:39:31,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:39:33,752 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:39:35,806 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:39:39,469 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:39:44,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:39:49,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:39:49,118 INFO L93 Difference]: Finished difference Result 63807 states and 98001 transitions. [2023-12-02 15:39:49,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 15:39:49,120 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 35 [2023-12-02 15:39:49,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:39:49,464 INFO L225 Difference]: With dead ends: 63807 [2023-12-02 15:39:49,464 INFO L226 Difference]: Without dead ends: 41600 [2023-12-02 15:39:49,576 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 15:39:49,577 INFO L413 NwaCegarLoop]: 9480 mSDtfsCounter, 7220 mSDsluCounter, 7912 mSDsCounter, 0 mSdLazyCounter, 1699 mSolverCounterSat, 2 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 58.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7220 SdHoareTripleChecker+Valid, 17392 SdHoareTripleChecker+Invalid, 1712 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1699 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 60.2s IncrementalHoareTripleChecker+Time [2023-12-02 15:39:49,577 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7220 Valid, 17392 Invalid, 1712 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 1699 Invalid, 11 Unknown, 0 Unchecked, 60.2s Time] [2023-12-02 15:39:49,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41600 states. [2023-12-02 15:39:51,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41600 to 41587. [2023-12-02 15:39:51,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41587 states, 26008 states have (on average 1.307636111965549) internal successors, (34009), 26312 states have internal predecessors, (34009), 13658 states have call successors, (13658), 1929 states have call predecessors, (13658), 1920 states have return successors, (15609), 13561 states have call predecessors, (15609), 13653 states have call successors, (15609) [2023-12-02 15:39:52,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41587 states to 41587 states and 63276 transitions. [2023-12-02 15:39:52,163 INFO L78 Accepts]: Start accepts. Automaton has 41587 states and 63276 transitions. Word has length 35 [2023-12-02 15:39:52,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:39:52,164 INFO L495 AbstractCegarLoop]: Abstraction has 41587 states and 63276 transitions. [2023-12-02 15:39:52,164 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-02 15:39:52,164 INFO L276 IsEmpty]: Start isEmpty. Operand 41587 states and 63276 transitions. [2023-12-02 15:39:52,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 15:39:52,168 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:39:52,168 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-02 15:39:52,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-02 15:39:52,169 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:39:52,169 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:39:52,169 INFO L85 PathProgramCache]: Analyzing trace with hash 1700806083, now seen corresponding path program 1 times [2023-12-02 15:39:52,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:39:52,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507585889] [2023-12-02 15:39:52,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:39:52,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:39:52,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:39:53,724 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 15:39:53,724 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:39:53,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507585889] [2023-12-02 15:39:53,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [507585889] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:39:53,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:39:53,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 15:39:53,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587856735] [2023-12-02 15:39:53,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:39:53,725 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 15:39:53,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:39:53,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 15:39:53,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 15:39:53,726 INFO L87 Difference]: Start difference. First operand 41587 states and 63276 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-02 15:39:57,241 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:39:59,254 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:40:14,118 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:40:19,370 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:40:21,381 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:40:33,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:40:35,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:40:37,135 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:40:39,149 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:40:41,264 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:40:43,317 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:40:47,816 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 15:40:50,789 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:40:55,222 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:40:55,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:40:55,700 INFO L93 Difference]: Finished difference Result 60907 states and 95640 transitions. [2023-12-02 15:40:55,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 15:40:55,701 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 36 [2023-12-02 15:40:55,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:40:56,025 INFO L225 Difference]: With dead ends: 60907 [2023-12-02 15:40:56,025 INFO L226 Difference]: Without dead ends: 60904 [2023-12-02 15:40:56,064 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 15:40:56,065 INFO L413 NwaCegarLoop]: 9848 mSDtfsCounter, 7193 mSDsluCounter, 7888 mSDsCounter, 0 mSdLazyCounter, 1734 mSolverCounterSat, 1 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 57.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7193 SdHoareTripleChecker+Valid, 17736 SdHoareTripleChecker+Invalid, 1746 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1734 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 59.6s IncrementalHoareTripleChecker+Time [2023-12-02 15:40:56,065 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7193 Valid, 17736 Invalid, 1746 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1734 Invalid, 11 Unknown, 0 Unchecked, 59.6s Time] [2023-12-02 15:40:56,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60904 states. [2023-12-02 15:40:59,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60904 to 60837. [2023-12-02 15:40:59,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60837 states, 38114 states have (on average 1.3091252558115127) internal successors, (49896), 38572 states have internal predecessors, (49896), 19920 states have call successors, (19920), 2821 states have call predecessors, (19920), 2802 states have return successors, (25747), 19755 states have call predecessors, (25747), 19915 states have call successors, (25747) [2023-12-02 15:41:00,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60837 states to 60837 states and 95563 transitions. [2023-12-02 15:41:00,207 INFO L78 Accepts]: Start accepts. Automaton has 60837 states and 95563 transitions. Word has length 36 [2023-12-02 15:41:00,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:41:00,207 INFO L495 AbstractCegarLoop]: Abstraction has 60837 states and 95563 transitions. [2023-12-02 15:41:00,207 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-02 15:41:00,207 INFO L276 IsEmpty]: Start isEmpty. Operand 60837 states and 95563 transitions. [2023-12-02 15:41:00,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-02 15:41:00,210 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:41:00,211 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-02 15:41:00,211 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-02 15:41:00,211 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:41:00,211 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:41:00,211 INFO L85 PathProgramCache]: Analyzing trace with hash 1182274857, now seen corresponding path program 1 times [2023-12-02 15:41:00,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:41:00,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303551150] [2023-12-02 15:41:00,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:41:00,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:41:00,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:41:01,759 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 15:41:01,759 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:41:01,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303551150] [2023-12-02 15:41:01,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1303551150] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:41:01,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:41:01,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 15:41:01,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467974504] [2023-12-02 15:41:01,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:41:01,760 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 15:41:01,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:41:01,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 15:41:01,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 15:41:01,761 INFO L87 Difference]: Start difference. First operand 60837 states and 95563 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-02 15:41:05,611 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:41:15,097 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:41:21,463 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:41:23,526 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:41:27,294 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 15:41:30,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:41:30,141 INFO L93 Difference]: Finished difference Result 60839 states and 95564 transitions. [2023-12-02 15:41:30,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 15:41:30,142 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 37 [2023-12-02 15:41:30,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:41:30,557 INFO L225 Difference]: With dead ends: 60839 [2023-12-02 15:41:30,557 INFO L226 Difference]: Without dead ends: 60836 [2023-12-02 15:41:30,616 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 15:41:30,617 INFO L413 NwaCegarLoop]: 7541 mSDtfsCounter, 8266 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 747 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8266 SdHoareTripleChecker+Valid, 7541 SdHoareTripleChecker+Invalid, 751 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 747 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.9s IncrementalHoareTripleChecker+Time [2023-12-02 15:41:30,617 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8266 Valid, 7541 Invalid, 751 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 747 Invalid, 4 Unknown, 0 Unchecked, 25.9s Time] [2023-12-02 15:41:30,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60836 states. [2023-12-02 15:41:34,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60836 to 60836. [2023-12-02 15:41:34,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60836 states, 38114 states have (on average 1.3090990187332738) internal successors, (49895), 38571 states have internal predecessors, (49895), 19919 states have call successors, (19919), 2821 states have call predecessors, (19919), 2802 states have return successors, (25747), 19755 states have call predecessors, (25747), 19915 states have call successors, (25747) [2023-12-02 15:41:34,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60836 states to 60836 states and 95561 transitions. [2023-12-02 15:41:34,847 INFO L78 Accepts]: Start accepts. Automaton has 60836 states and 95561 transitions. Word has length 37 [2023-12-02 15:41:34,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:41:34,848 INFO L495 AbstractCegarLoop]: Abstraction has 60836 states and 95561 transitions. [2023-12-02 15:41:34,848 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-02 15:41:34,848 INFO L276 IsEmpty]: Start isEmpty. Operand 60836 states and 95561 transitions. [2023-12-02 15:41:34,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-02 15:41:34,851 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:41:34,851 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-02 15:41:34,851 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-02 15:41:34,851 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:41:34,851 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:41:34,851 INFO L85 PathProgramCache]: Analyzing trace with hash -2007286394, now seen corresponding path program 1 times [2023-12-02 15:41:34,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:41:34,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744791894] [2023-12-02 15:41:34,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:41:34,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:41:35,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:41:36,417 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 15:41:36,417 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:41:36,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744791894] [2023-12-02 15:41:36,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [744791894] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:41:36,417 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:41:36,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 15:41:36,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409012711] [2023-12-02 15:41:36,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:41:36,418 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 15:41:36,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:41:36,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 15:41:36,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 15:41:36,419 INFO L87 Difference]: Start difference. First operand 60836 states and 95561 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-02 15:41:40,605 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:41:48,886 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:41:51,907 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:41:58,597 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:42:00,657 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:42:04,554 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:42:05,673 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 15:42:08,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:42:08,392 INFO L93 Difference]: Finished difference Result 60838 states and 95562 transitions. [2023-12-02 15:42:08,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 15:42:08,393 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 38 [2023-12-02 15:42:08,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:42:08,683 INFO L225 Difference]: With dead ends: 60838 [2023-12-02 15:42:08,683 INFO L226 Difference]: Without dead ends: 60829 [2023-12-02 15:42:08,719 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 15:42:08,720 INFO L413 NwaCegarLoop]: 7540 mSDtfsCounter, 8263 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 745 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8263 SdHoareTripleChecker+Valid, 7540 SdHoareTripleChecker+Invalid, 750 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 745 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.2s IncrementalHoareTripleChecker+Time [2023-12-02 15:42:08,720 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8263 Valid, 7540 Invalid, 750 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 745 Invalid, 5 Unknown, 0 Unchecked, 29.2s Time] [2023-12-02 15:42:08,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60829 states. [2023-12-02 15:42:12,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60829 to 60829. [2023-12-02 15:42:12,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60829 states, 38108 states have (on average 1.3090427206885693) internal successors, (49885), 38564 states have internal predecessors, (49885), 19918 states have call successors, (19918), 2821 states have call predecessors, (19918), 2802 states have return successors, (25747), 19755 states have call predecessors, (25747), 19915 states have call successors, (25747) [2023-12-02 15:42:13,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60829 states to 60829 states and 95550 transitions. [2023-12-02 15:42:13,043 INFO L78 Accepts]: Start accepts. Automaton has 60829 states and 95550 transitions. Word has length 38 [2023-12-02 15:42:13,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:42:13,044 INFO L495 AbstractCegarLoop]: Abstraction has 60829 states and 95550 transitions. [2023-12-02 15:42:13,044 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-02 15:42:13,044 INFO L276 IsEmpty]: Start isEmpty. Operand 60829 states and 95550 transitions. [2023-12-02 15:42:13,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-02 15:42:13,059 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:42:13,060 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:42:13,060 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-02 15:42:13,060 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:42:13,060 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:42:13,060 INFO L85 PathProgramCache]: Analyzing trace with hash 983858769, now seen corresponding path program 1 times [2023-12-02 15:42:13,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:42:13,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127649304] [2023-12-02 15:42:13,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:42:13,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:42:13,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:42:14,919 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 15:42:14,920 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:42:14,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127649304] [2023-12-02 15:42:14,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2127649304] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:42:14,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:42:14,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 15:42:14,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344811258] [2023-12-02 15:42:14,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:42:14,921 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 15:42:14,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:42:14,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 15:42:14,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 15:42:14,922 INFO L87 Difference]: Start difference. First operand 60829 states and 95550 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-02 15:42:20,474 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:42:22,264 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:42:27,968 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:42:39,456 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:42:44,517 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:42:46,547 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:42:49,539 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:43:01,149 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:43:03,217 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:43:05,491 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:43:07,496 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:43:09,557 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:43:11,569 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:43:16,603 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:43:17,687 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 15:43:19,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:43:20,287 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:43:22,309 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:43:27,254 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:43:28,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:43:28,594 INFO L93 Difference]: Finished difference Result 182057 states and 285973 transitions. [2023-12-02 15:43:28,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 15:43:28,596 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 60 [2023-12-02 15:43:28,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:43:29,257 INFO L225 Difference]: With dead ends: 182057 [2023-12-02 15:43:29,257 INFO L226 Difference]: Without dead ends: 121231 [2023-12-02 15:43:29,737 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 15:43:29,737 INFO L413 NwaCegarLoop]: 9794 mSDtfsCounter, 8186 mSDsluCounter, 7529 mSDsCounter, 0 mSdLazyCounter, 1685 mSolverCounterSat, 3 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 65.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8186 SdHoareTripleChecker+Valid, 17323 SdHoareTripleChecker+Invalid, 1701 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1685 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 67.3s IncrementalHoareTripleChecker+Time [2023-12-02 15:43:29,738 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8186 Valid, 17323 Invalid, 1701 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 1685 Invalid, 13 Unknown, 0 Unchecked, 67.3s Time] [2023-12-02 15:43:29,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121231 states. [2023-12-02 15:43:38,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121231 to 121207. [2023-12-02 15:43:38,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121207 states, 75944 states have (on average 1.309175181712841) internal successors, (99424), 76846 states have internal predecessors, (99424), 39658 states have call successors, (39658), 5641 states have call predecessors, (39658), 5604 states have return successors, (51307), 39343 states have call predecessors, (51307), 39655 states have call successors, (51307) [2023-12-02 15:43:39,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121207 states to 121207 states and 190389 transitions. [2023-12-02 15:43:39,508 INFO L78 Accepts]: Start accepts. Automaton has 121207 states and 190389 transitions. Word has length 60 [2023-12-02 15:43:39,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:43:39,508 INFO L495 AbstractCegarLoop]: Abstraction has 121207 states and 190389 transitions. [2023-12-02 15:43:39,509 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-02 15:43:39,509 INFO L276 IsEmpty]: Start isEmpty. Operand 121207 states and 190389 transitions. [2023-12-02 15:43:39,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 15:43:39,536 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:43:39,536 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:43:39,536 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-02 15:43:39,536 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:43:39,537 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:43:39,537 INFO L85 PathProgramCache]: Analyzing trace with hash 669242962, now seen corresponding path program 1 times [2023-12-02 15:43:39,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:43:39,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526797012] [2023-12-02 15:43:39,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:43:39,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:43:40,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:43:41,487 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 15:43:41,488 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:43:41,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526797012] [2023-12-02 15:43:41,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526797012] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:43:41,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:43:41,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 15:43:41,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557674726] [2023-12-02 15:43:41,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:43:41,489 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 15:43:41,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:43:41,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 15:43:41,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 15:43:41,490 INFO L87 Difference]: Start difference. First operand 121207 states and 190389 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-12-02 15:43:46,155 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:43:55,212 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:44:02,629 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:44:04,691 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:44:08,632 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:44:11,029 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 15:44:12,577 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 15:44:15,884 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:44:17,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:44:17,192 INFO L93 Difference]: Finished difference Result 212235 states and 333330 transitions. [2023-12-02 15:44:17,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 15:44:17,194 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 84 [2023-12-02 15:44:17,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:44:17,923 INFO L225 Difference]: With dead ends: 212235 [2023-12-02 15:44:17,923 INFO L226 Difference]: Without dead ends: 91031 [2023-12-02 15:44:18,382 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 15:44:18,383 INFO L413 NwaCegarLoop]: 7546 mSDtfsCounter, 8283 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 748 mSolverCounterSat, 1 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8283 SdHoareTripleChecker+Valid, 7556 SdHoareTripleChecker+Invalid, 754 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 748 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.7s IncrementalHoareTripleChecker+Time [2023-12-02 15:44:18,383 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8283 Valid, 7556 Invalid, 754 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 748 Invalid, 5 Unknown, 0 Unchecked, 29.7s Time] [2023-12-02 15:44:18,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91031 states. [2023-12-02 15:44:25,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91031 to 91013. [2023-12-02 15:44:25,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91013 states, 57015 states have (on average 1.308813470139437) internal successors, (74622), 57690 states have internal predecessors, (74622), 29782 states have call successors, (29782), 4243 states have call predecessors, (29782), 4215 states have return successors, (38515), 29547 states have call predecessors, (38515), 29779 states have call successors, (38515) [2023-12-02 15:44:25,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91013 states to 91013 states and 142919 transitions. [2023-12-02 15:44:25,754 INFO L78 Accepts]: Start accepts. Automaton has 91013 states and 142919 transitions. Word has length 84 [2023-12-02 15:44:25,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:44:25,754 INFO L495 AbstractCegarLoop]: Abstraction has 91013 states and 142919 transitions. [2023-12-02 15:44:25,754 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-12-02 15:44:25,754 INFO L276 IsEmpty]: Start isEmpty. Operand 91013 states and 142919 transitions. [2023-12-02 15:44:25,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-02 15:44:25,787 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:44:25,787 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-02 15:44:25,787 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-02 15:44:25,788 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:44:25,788 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:44:25,788 INFO L85 PathProgramCache]: Analyzing trace with hash -363412457, now seen corresponding path program 1 times [2023-12-02 15:44:25,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:44:25,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150870546] [2023-12-02 15:44:25,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:44:25,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:44:26,897 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 15:44:26,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2071810795] [2023-12-02 15:44:26,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:44:26,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 15:44:26,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c464fa8-6f35-4202-a4ad-46ee180564d2/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:44:26,899 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c464fa8-6f35-4202-a4ad-46ee180564d2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 15:44:26,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c464fa8-6f35-4202-a4ad-46ee180564d2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 15:44:33,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:44:33,475 INFO L262 TraceCheckSpWp]: Trace formula consists of 30334 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 15:44:33,499 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:44:33,748 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 15:44:33,748 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:44:33,748 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:44:33,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150870546] [2023-12-02 15:44:33,748 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 15:44:33,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2071810795] [2023-12-02 15:44:33,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2071810795] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:44:33,749 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:44:33,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 15:44:33,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620277801] [2023-12-02 15:44:33,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:44:33,750 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 15:44:33,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:44:33,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 15:44:33,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 15:44:33,751 INFO L87 Difference]: Start difference. First operand 91013 states and 142919 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, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-12-02 15:44:39,423 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:44:46,345 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:44:49,870 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:44:56,932 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:44:58,950 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:45:08,388 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:45:09,982 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:45:13,061 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:45:15,123 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:45:18,016 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:45:20,021 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:45:27,080 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:45:28,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:45:29,454 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 15:45:31,343 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:45:37,043 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:45:39,047 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:45:41,112 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:45:43,121 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:45:47,294 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:45:49,310 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 15:45:53,647 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:45:54,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:45:54,171 INFO L93 Difference]: Finished difference Result 242169 states and 380291 transitions. [2023-12-02 15:45:54,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 15:45:54,172 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, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 86 [2023-12-02 15:45:54,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:45:55,269 INFO L225 Difference]: With dead ends: 242169 [2023-12-02 15:45:55,269 INFO L226 Difference]: Without dead ends: 151159 [2023-12-02 15:45:55,816 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 15:45:55,817 INFO L413 NwaCegarLoop]: 7551 mSDtfsCounter, 8192 mSDsluCounter, 7527 mSDsCounter, 0 mSdLazyCounter, 1500 mSolverCounterSat, 3 mSolverCounterUnsat, 16 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 68.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8192 SdHoareTripleChecker+Valid, 15078 SdHoareTripleChecker+Invalid, 1519 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1500 IncrementalHoareTripleChecker+Invalid, 16 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 70.9s IncrementalHoareTripleChecker+Time [2023-12-02 15:45:55,817 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8192 Valid, 15078 Invalid, 1519 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 1500 Invalid, 16 Unknown, 0 Unchecked, 70.9s Time] [2023-12-02 15:45:55,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151159 states. [2023-12-02 15:46:08,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151159 to 151135. [2023-12-02 15:46:08,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151135 states, 94661 states have (on average 1.3085325530049334) internal successors, (123867), 95792 states have internal predecessors, (123867), 49498 states have call successors, (49498), 7021 states have call predecessors, (49498), 6975 states have return successors, (63949), 49101 states have call predecessors, (63949), 49495 states have call successors, (63949) [2023-12-02 15:46:09,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151135 states to 151135 states and 237314 transitions. [2023-12-02 15:46:09,951 INFO L78 Accepts]: Start accepts. Automaton has 151135 states and 237314 transitions. Word has length 86 [2023-12-02 15:46:09,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:46:09,952 INFO L495 AbstractCegarLoop]: Abstraction has 151135 states and 237314 transitions. [2023-12-02 15:46:09,952 INFO L496 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, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-12-02 15:46:09,952 INFO L276 IsEmpty]: Start isEmpty. Operand 151135 states and 237314 transitions. [2023-12-02 15:46:09,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-02 15:46:09,982 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:46:09,982 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2023-12-02 15:46:10,056 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c464fa8-6f35-4202-a4ad-46ee180564d2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 15:46:10,182 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c464fa8-6f35-4202-a4ad-46ee180564d2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 15:46:10,183 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:46:10,183 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:46:10,183 INFO L85 PathProgramCache]: Analyzing trace with hash 1829051422, now seen corresponding path program 1 times [2023-12-02 15:46:10,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:46:10,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230502264] [2023-12-02 15:46:10,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:46:10,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:46:11,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:46:12,186 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 15:46:12,186 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:46:12,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230502264] [2023-12-02 15:46:12,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230502264] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:46:12,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:46:12,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 15:46:12,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267043707] [2023-12-02 15:46:12,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:46:12,187 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 15:46:12,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:46:12,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 15:46:12,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 15:46:12,188 INFO L87 Difference]: Start difference. First operand 151135 states and 237314 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-12-02 15:46:18,042 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 15:46:20,247 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:46:23,478 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:46:27,263 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:46:32,887 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:46:48,263 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:46:50,267 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:46:52,655 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:46:54,724 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:47:05,528 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:47:07,566 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 15:47:14,739 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []