./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_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_a097b60e-02f4-4a1e-be19-207d4d4d9fbe/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a097b60e-02f4-4a1e-be19-207d4d4d9fbe/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_a097b60e-02f4-4a1e-be19-207d4d4d9fbe/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a097b60e-02f4-4a1e-be19-207d4d4d9fbe/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--media--usb--cx231xx--cx231xx.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a097b60e-02f4-4a1e-be19-207d4d4d9fbe/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_a097b60e-02f4-4a1e-be19-207d4d4d9fbe/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 575e049fbf73eda053fc47fca196b5bd3f80dd2b8646d70ac0fb0aa97f19c965 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 12:37:02,385 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 12:37:02,464 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a097b60e-02f4-4a1e-be19-207d4d4d9fbe/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-12-02 12:37:02,468 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 12:37:02,469 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 12:37:02,497 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 12:37:02,498 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 12:37:02,498 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 12:37:02,499 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 12:37:02,499 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 12:37:02,500 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 12:37:02,501 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 12:37:02,501 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 12:37:02,502 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 12:37:02,502 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 12:37:02,503 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 12:37:02,503 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 12:37:02,504 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 12:37:02,504 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 12:37:02,505 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 12:37:02,505 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 12:37:02,506 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 12:37:02,507 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 12:37:02,507 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 12:37:02,508 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 12:37:02,508 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 12:37:02,509 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 12:37:02,509 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 12:37:02,510 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 12:37:02,510 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 12:37:02,510 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 12:37:02,511 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 12:37:02,511 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 12:37:02,511 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 12:37:02,511 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 12:37:02,512 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 12:37:02,512 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 12:37:02,512 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 12:37:02,512 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 12:37:02,512 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 12:37:02,512 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 12:37:02,513 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 12:37:02,513 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 12:37:02,513 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 12:37:02,513 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_a097b60e-02f4-4a1e-be19-207d4d4d9fbe/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a097b60e-02f4-4a1e-be19-207d4d4d9fbe/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 575e049fbf73eda053fc47fca196b5bd3f80dd2b8646d70ac0fb0aa97f19c965 [2023-12-02 12:37:02,719 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 12:37:02,765 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 12:37:02,768 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 12:37:02,769 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 12:37:02,771 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 12:37:02,772 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a097b60e-02f4-4a1e-be19-207d4d4d9fbe/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--media--usb--cx231xx--cx231xx.ko-entry_point.cil.out.i [2023-12-02 12:37:05,544 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 12:37:06,314 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 12:37:06,315 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a097b60e-02f4-4a1e-be19-207d4d4d9fbe/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--media--usb--cx231xx--cx231xx.ko-entry_point.cil.out.i [2023-12-02 12:37:06,395 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a097b60e-02f4-4a1e-be19-207d4d4d9fbe/bin/utaipan-verify-nQ1chXbOIh/data/573c8ca07/43ccdad130fc45029f9630b789dabefa/FLAGcce3070fb [2023-12-02 12:37:06,409 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a097b60e-02f4-4a1e-be19-207d4d4d9fbe/bin/utaipan-verify-nQ1chXbOIh/data/573c8ca07/43ccdad130fc45029f9630b789dabefa [2023-12-02 12:37:06,411 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 12:37:06,413 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 12:37:06,414 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 12:37:06,414 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 12:37:06,418 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 12:37:06,419 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:37:06" (1/1) ... [2023-12-02 12:37:06,420 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5175b01b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:37:06, skipping insertion in model container [2023-12-02 12:37:06,420 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:37:06" (1/1) ... [2023-12-02 12:37:06,713 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 12:37:07,217 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [4696] [2023-12-02 12:37:13,996 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_a097b60e-02f4-4a1e-be19-207d4d4d9fbe/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--media--usb--cx231xx--cx231xx.ko-entry_point.cil.out.i[958434,958447] [2023-12-02 12:37:14,097 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 12:37:14,353 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 12:37:14,487 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [4696] [2023-12-02 12:37:14,553 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"); [8134] [2023-12-02 12:37:14,558 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%1,%0": "=q" (pfo_ret__): "m" (__preempt_count)); [8276] [2023-12-02 12:37:14,559 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [8279] [2023-12-02 12:37:14,559 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [8282] [2023-12-02 12:37:14,559 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [8285] [2023-12-02 12:37:14,650 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 *)"/home/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--43_2a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/7011/dscv_tempdir/dscv/ri/43_2a/drivers/media/usb/cx231xx/cx231xx-video.c"), "i" (752), "i" (12UL)); [9313-9314] [2023-12-02 12:37:15,016 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 *)"/home/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--43_2a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/7011/dscv_tempdir/dscv/ri/43_2a/drivers/media/usb/cx231xx/cx231xx-i2c.c"), "i" (528), "i" (12UL)); [13423-13424] [2023-12-02 12:37:15,046 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)); [13697] [2023-12-02 12:37:15,046 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %2, %0; setc %1": "+m" (*addr), "=qm" (c): "Ir" (nr): "memory"); [13705-13706] [2023-12-02 12:37:15,162 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"./arch/x86/include/asm/paravirt.h"), "i" (831), "i" (12UL)); [15790-15791] [2023-12-02 12:37:15,163 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (43UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [15796-15798] [2023-12-02 12:37:15,163 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)); [15812] [2023-12-02 12:37:15,164 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)); [15819] [2023-12-02 12:37:15,416 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"); [23603-23604] [2023-12-02 12:37:15,416 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"); [23607-23608] [2023-12-02 12:37:15,417 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"); [23611-23612] [2023-12-02 12:37:15,417 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"); [23615-23616] [2023-12-02 12:37:15,419 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"); [23648-23649] [2023-12-02 12:37:15,419 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"); [23653-23654] [2023-12-02 12:37:15,420 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"); [23658-23659] [2023-12-02 12:37:15,420 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"); [23663-23664] [2023-12-02 12:37:15,460 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 *)"/home/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--43_2a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/7011/dscv_tempdir/dscv/ri/43_2a/drivers/media/usb/cx231xx/cx231xx-417.c"), "i" (1252), "i" (12UL)); [24742-24743] [2023-12-02 12:37:15,618 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 *)"/home/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--43_2a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/7011/dscv_tempdir/dscv/ri/43_2a/drivers/media/usb/cx231xx/cx231xx-vbi.c"), "i" (195), "i" (12UL)); [27172-27173] [2023-12-02 12:37:15,647 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_a097b60e-02f4-4a1e-be19-207d4d4d9fbe/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--media--usb--cx231xx--cx231xx.ko-entry_point.cil.out.i[958434,958447] [2023-12-02 12:37:15,655 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 12:37:16,023 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 12:37:16,023 WARN L675 CHandler]: The function __xadd_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 12:37:16,024 WARN L675 CHandler]: The function __cmpxchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 12:37:16,024 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 12:37:16,032 INFO L206 MainTranslator]: Completed translation [2023-12-02 12:37:16,032 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:37:16 WrapperNode [2023-12-02 12:37:16,033 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 12:37:16,034 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 12:37:16,034 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 12:37:16,034 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 12:37:16,043 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:37:16" (1/1) ... [2023-12-02 12:37:16,426 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:37:16" (1/1) ... [2023-12-02 12:37:18,257 INFO L138 Inliner]: procedures = 682, calls = 25532, calls flagged for inlining = 205, calls inlined = 193, statements flattened = 32585 [2023-12-02 12:37:18,258 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 12:37:18,259 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 12:37:18,259 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 12:37:18,259 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 12:37:18,271 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:37:16" (1/1) ... [2023-12-02 12:37:18,271 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:37:16" (1/1) ... [2023-12-02 12:37:19,335 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:37:16" (1/1) ... [2023-12-02 12:37:19,336 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:37:16" (1/1) ... [2023-12-02 12:37:21,580 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:37:16" (1/1) ... [2023-12-02 12:37:21,638 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:37:16" (1/1) ... [2023-12-02 12:37:21,815 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:37:16" (1/1) ... [2023-12-02 12:37:21,868 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:37:16" (1/1) ... [2023-12-02 12:37:22,091 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 12:37:22,092 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 12:37:22,092 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 12:37:22,092 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 12:37:22,093 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:37:16" (1/1) ... [2023-12-02 12:37:22,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 12:37:22,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a097b60e-02f4-4a1e-be19-207d4d4d9fbe/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 12:37:22,120 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a097b60e-02f4-4a1e-be19-207d4d4d9fbe/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 12:37:22,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a097b60e-02f4-4a1e-be19-207d4d4d9fbe/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 12:37:22,160 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_streamoff [2023-12-02 12:37:22,160 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_streamoff [2023-12-02 12:37:22,161 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_init_extension [2023-12-02 12:37:22,161 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_init_extension [2023-12-02 12:37:22,161 INFO L130 BoogieDeclarations]: Found specification of procedure mc417_memory_write [2023-12-02 12:37:22,161 INFO L138 BoogieDeclarations]: Found implementation of procedure mc417_memory_write [2023-12-02 12:37:22,161 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_dif_configure_C2HH_for_low_IF [2023-12-02 12:37:22,161 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_dif_configure_C2HH_for_low_IF [2023-12-02 12:37:22,161 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_reqbufs [2023-12-02 12:37:22,162 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_reqbufs [2023-12-02 12:37:22,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-12-02 12:37:22,162 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-12-02 12:37:22,162 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2023-12-02 12:37:22,162 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2023-12-02 12:37:22,162 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_unmute_audio [2023-12-02 12:37:22,162 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_unmute_audio [2023-12-02 12:37:22,162 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_load_firmware [2023-12-02 12:37:22,163 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_load_firmware [2023-12-02 12:37:22,163 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_do_mode_ctrl_overrides [2023-12-02 12:37:22,163 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_do_mode_ctrl_overrides [2023-12-02 12:37:22,163 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_get_gpio_bit [2023-12-02 12:37:22,163 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_get_gpio_bit [2023-12-02 12:37:22,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-12-02 12:37:22,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-12-02 12:37:22,164 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_fmt_vid_cap [2023-12-02 12:37:22,164 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_fmt_vid_cap [2023-12-02 12:37:22,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-12-02 12:37:22,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-12-02 12:37:22,164 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_i2c_mux_unregister [2023-12-02 12:37:22,164 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_i2c_mux_unregister [2023-12-02 12:37:22,164 INFO L130 BoogieDeclarations]: Found specification of procedure vid_blk_write_word [2023-12-02 12:37:22,164 INFO L138 BoogieDeclarations]: Found implementation of procedure vid_blk_write_word [2023-12-02 12:37:22,165 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2023-12-02 12:37:22,165 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2023-12-02 12:37:22,165 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_enum_fmt_vid_cap [2023-12-02 12:37:22,165 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_enum_fmt_vid_cap [2023-12-02 12:37:22,165 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_reqbufs [2023-12-02 12:37:22,165 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_reqbufs [2023-12-02 12:37:22,166 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_enum_fmt_vid_cap___0 [2023-12-02 12:37:22,166 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_enum_fmt_vid_cap___0 [2023-12-02 12:37:22,166 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_mci_complete [2023-12-02 12:37:22,166 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_mci_complete [2023-12-02 12:37:22,166 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2023-12-02 12:37:22,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2023-12-02 12:37:22,167 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_set_audio_decoder_input [2023-12-02 12:37:22,167 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_set_audio_decoder_input [2023-12-02 12:37:22,167 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_device_unregister [2023-12-02 12:37:22,167 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_device_unregister [2023-12-02 12:37:22,167 INFO L130 BoogieDeclarations]: Found specification of procedure request_module_async [2023-12-02 12:37:22,167 INFO L138 BoogieDeclarations]: Found implementation of procedure request_module_async [2023-12-02 12:37:22,168 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_fh_exit [2023-12-02 12:37:22,168 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_fh_exit [2023-12-02 12:37:22,168 INFO L130 BoogieDeclarations]: Found specification of procedure vbi_buffer_setup [2023-12-02 12:37:22,168 INFO L138 BoogieDeclarations]: Found implementation of procedure vbi_buffer_setup [2023-12-02 12:37:22,168 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-12-02 12:37:22,168 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-12-02 12:37:22,168 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_find_boundary_SAV_EAV [2023-12-02 12:37:22,169 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_find_boundary_SAV_EAV [2023-12-02 12:37:22,169 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_dif_set_standard [2023-12-02 12:37:22,169 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_dif_set_standard [2023-12-02 12:37:22,169 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_read_ctrl_reg [2023-12-02 12:37:22,169 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_read_ctrl_reg [2023-12-02 12:37:22,169 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_send_gpio_cmd [2023-12-02 12:37:22,169 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_send_gpio_cmd [2023-12-02 12:37:22,170 INFO L130 BoogieDeclarations]: Found specification of procedure res_free [2023-12-02 12:37:22,170 INFO L138 BoogieDeclarations]: Found implementation of procedure res_free [2023-12-02 12:37:22,170 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_g_register [2023-12-02 12:37:22,170 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_g_register [2023-12-02 12:37:22,170 INFO L130 BoogieDeclarations]: Found specification of procedure set_itvc_reg [2023-12-02 12:37:22,170 INFO L138 BoogieDeclarations]: Found implementation of procedure set_itvc_reg [2023-12-02 12:37:22,170 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_fmt_vid_cap [2023-12-02 12:37:22,170 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_fmt_vid_cap [2023-12-02 12:37:22,170 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-12-02 12:37:22,170 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-12-02 12:37:22,171 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_set_gpio_bit [2023-12-02 12:37:22,171 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_set_gpio_bit [2023-12-02 12:37:22,171 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_ctrl [2023-12-02 12:37:22,171 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_ctrl [2023-12-02 12:37:22,171 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_dev_uninit [2023-12-02 12:37:22,171 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_dev_uninit [2023-12-02 12:37:22,171 INFO L130 BoogieDeclarations]: Found specification of procedure free_buffer [2023-12-02 12:37:22,171 INFO L138 BoogieDeclarations]: Found implementation of procedure free_buffer [2023-12-02 12:37:22,172 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_std [2023-12-02 12:37:22,172 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_std [2023-12-02 12:37:22,172 INFO L130 BoogieDeclarations]: Found specification of procedure uninitGPIO [2023-12-02 12:37:22,172 INFO L138 BoogieDeclarations]: Found implementation of procedure uninitGPIO [2023-12-02 12:37:22,172 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_gpio_set [2023-12-02 12:37:22,172 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_gpio_set [2023-12-02 12:37:22,172 INFO L130 BoogieDeclarations]: Found specification of procedure __request_module [2023-12-02 12:37:22,173 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_module [2023-12-02 12:37:22,173 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-02 12:37:22,173 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_qbuf___0 [2023-12-02 12:37:22,173 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_qbuf___0 [2023-12-02 12:37:22,173 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2023-12-02 12:37:22,173 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2023-12-02 12:37:22,173 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_free [2023-12-02 12:37:22,173 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_free [2023-12-02 12:37:22,173 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_to_vmalloc [2023-12-02 12:37:22,173 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_to_vmalloc [2023-12-02 12:37:22,174 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-12-02 12:37:22,174 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-12-02 12:37:22,174 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_do_i2c_scan [2023-12-02 12:37:22,174 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_do_i2c_scan [2023-12-02 12:37:22,174 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2023-12-02 12:37:22,174 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_fh_init [2023-12-02 12:37:22,174 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_fh_init [2023-12-02 12:37:22,174 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2023-12-02 12:37:22,174 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2023-12-02 12:37:22,175 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_poll [2023-12-02 12:37:22,175 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_poll [2023-12-02 12:37:22,175 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_querybuf [2023-12-02 12:37:22,175 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_querybuf [2023-12-02 12:37:22,175 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-12-02 12:37:22,175 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-12-02 12:37:22,175 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_querybuf___0 [2023-12-02 12:37:22,175 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_querybuf___0 [2023-12-02 12:37:22,176 INFO L130 BoogieDeclarations]: Found specification of procedure video_devdata [2023-12-02 12:37:22,176 INFO L138 BoogieDeclarations]: Found implementation of procedure video_devdata [2023-12-02 12:37:22,176 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_enum_input [2023-12-02 12:37:22,176 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_enum_input [2023-12-02 12:37:22,176 INFO L130 BoogieDeclarations]: Found specification of procedure vid_blk_read_word [2023-12-02 12:37:22,176 INFO L138 BoogieDeclarations]: Found implementation of procedure vid_blk_read_word [2023-12-02 12:37:22,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 12:37:22,177 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_i2s_blk_set_audio_input [2023-12-02 12:37:22,177 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_i2s_blk_set_audio_input [2023-12-02 12:37:22,177 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_dqbuf [2023-12-02 12:37:22,177 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_dqbuf [2023-12-02 12:37:22,177 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_config_tuner [2023-12-02 12:37:22,178 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_config_tuner [2023-12-02 12:37:22,178 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_reg_mask_write [2023-12-02 12:37:22,178 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_reg_mask_write [2023-12-02 12:37:22,178 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-12-02 12:37:22,178 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-12-02 12:37:22,178 INFO L130 BoogieDeclarations]: Found specification of procedure is_fw_load [2023-12-02 12:37:22,178 INFO L138 BoogieDeclarations]: Found implementation of procedure is_fw_load [2023-12-02 12:37:22,179 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_afe_setup_AFE_for_baseband [2023-12-02 12:37:22,179 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_afe_setup_AFE_for_baseband [2023-12-02 12:37:22,179 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_set_field [2023-12-02 12:37:22,179 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_set_field [2023-12-02 12:37:22,179 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~v4l2_std_id~0~TO~int [2023-12-02 12:37:22,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~v4l2_std_id~0~TO~int [2023-12-02 12:37:22,179 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_fmt_vid_cap___0 [2023-12-02 12:37:22,180 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_fmt_vid_cap___0 [2023-12-02 12:37:22,180 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_add_handler [2023-12-02 12:37:22,180 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_add_handler [2023-12-02 12:37:22,180 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_gpio_i2c_start [2023-12-02 12:37:22,180 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_gpio_i2c_start [2023-12-02 12:37:22,180 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_ir_exit [2023-12-02 12:37:22,180 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_ir_exit [2023-12-02 12:37:22,180 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_try_fmt_vid_cap [2023-12-02 12:37:22,181 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_try_fmt_vid_cap [2023-12-02 12:37:22,181 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_config_i2c [2023-12-02 12:37:22,181 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_config_i2c [2023-12-02 12:37:22,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-12-02 12:37:22,181 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_card_setup [2023-12-02 12:37:22,181 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_card_setup [2023-12-02 12:37:22,181 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_Setup_AFE_for_LowIF [2023-12-02 12:37:22,181 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_Setup_AFE_for_LowIF [2023-12-02 12:37:22,181 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_mode_register [2023-12-02 12:37:22,181 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_mode_register [2023-12-02 12:37:22,182 INFO L130 BoogieDeclarations]: Found specification of procedure free_buffer___0 [2023-12-02 12:37:22,182 INFO L138 BoogieDeclarations]: Found implementation of procedure free_buffer___0 [2023-12-02 12:37:22,182 INFO L130 BoogieDeclarations]: Found specification of procedure free_buffer___1 [2023-12-02 12:37:22,182 INFO L138 BoogieDeclarations]: Found implementation of procedure free_buffer___1 [2023-12-02 12:37:22,182 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-12-02 12:37:22,182 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-12-02 12:37:22,182 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-12-02 12:37:22,182 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-12-02 12:37:22,182 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2023-12-02 12:37:22,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2023-12-02 12:37:22,182 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_i2s_blk_initialize [2023-12-02 12:37:22,182 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_i2s_blk_initialize [2023-12-02 12:37:22,183 INFO L130 BoogieDeclarations]: Found specification of procedure video_ioctl2 [2023-12-02 12:37:22,183 INFO L138 BoogieDeclarations]: Found implementation of procedure video_ioctl2 [2023-12-02 12:37:22,183 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_fmt_vbi_cap [2023-12-02 12:37:22,183 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_fmt_vbi_cap [2023-12-02 12:37:22,183 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_417_unregister [2023-12-02 12:37:22,183 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_417_unregister [2023-12-02 12:37:22,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-12-02 12:37:22,183 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_qbuf [2023-12-02 12:37:22,183 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_qbuf [2023-12-02 12:37:22,183 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-12-02 12:37:22,183 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-12-02 12:37:22,184 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_try_fmt_vid_cap___0 [2023-12-02 12:37:22,184 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_try_fmt_vid_cap___0 [2023-12-02 12:37:22,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 12:37:22,184 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_gpio_i2c_read_ack [2023-12-02 12:37:22,184 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_gpio_i2c_read_ack [2023-12-02 12:37:22,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-12-02 12:37:22,184 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-12-02 12:37:22,184 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_gpio_i2c_end [2023-12-02 12:37:22,184 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_gpio_i2c_end [2023-12-02 12:37:22,184 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_register_extension [2023-12-02 12:37:22,184 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_register_extension [2023-12-02 12:37:22,184 INFO L130 BoogieDeclarations]: Found specification of procedure bb_buf_setup [2023-12-02 12:37:22,185 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_buf_setup [2023-12-02 12:37:22,185 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2023-12-02 12:37:22,185 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2023-12-02 12:37:22,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-12-02 12:37:22,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-12-02 12:37:22,185 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_v4l2_poll [2023-12-02 12:37:22,185 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_v4l2_poll [2023-12-02 12:37:22,185 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_disable_ioctl [2023-12-02 12:37:22,185 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_disable_ioctl [2023-12-02 12:37:22,185 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-12-02 12:37:22,186 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-12-02 12:37:22,186 INFO L130 BoogieDeclarations]: Found specification of procedure mc417_register_read [2023-12-02 12:37:22,186 INFO L138 BoogieDeclarations]: Found implementation of procedure mc417_register_read [2023-12-02 12:37:22,186 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_set_agc_analog_digital_mux_select [2023-12-02 12:37:22,186 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_set_agc_analog_digital_mux_select [2023-12-02 12:37:22,186 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_std___0 [2023-12-02 12:37:22,186 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_std___0 [2023-12-02 12:37:22,186 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-12-02 12:37:22,186 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-12-02 12:37:22,186 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_afe_init_channels [2023-12-02 12:37:22,186 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_afe_init_channels [2023-12-02 12:37:22,187 INFO L130 BoogieDeclarations]: Found specification of procedure cx2341x_handler_set_50hz [2023-12-02 12:37:22,187 INFO L138 BoogieDeclarations]: Found implementation of procedure cx2341x_handler_set_50hz [2023-12-02 12:37:22,187 INFO L130 BoogieDeclarations]: Found specification of procedure video_is_registered [2023-12-02 12:37:22,187 INFO L138 BoogieDeclarations]: Found implementation of procedure video_is_registered [2023-12-02 12:37:22,187 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_subscribe_event [2023-12-02 12:37:22,187 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_subscribe_event [2023-12-02 12:37:22,187 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_set_gpio_direction [2023-12-02 12:37:22,187 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_set_gpio_direction [2023-12-02 12:37:22,187 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_uninit_bulk [2023-12-02 12:37:22,187 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_uninit_bulk [2023-12-02 12:37:22,187 INFO L130 BoogieDeclarations]: Found specification of procedure video_unregister_device [2023-12-02 12:37:22,187 INFO L138 BoogieDeclarations]: Found implementation of procedure video_unregister_device [2023-12-02 12:37:22,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-12-02 12:37:22,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-12-02 12:37:22,188 INFO L130 BoogieDeclarations]: Found specification of procedure mc417_register_write [2023-12-02 12:37:22,188 INFO L138 BoogieDeclarations]: Found implementation of procedure mc417_register_write [2023-12-02 12:37:22,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 12:37:22,188 INFO L130 BoogieDeclarations]: Found specification of procedure __usb_control_msg [2023-12-02 12:37:22,188 INFO L138 BoogieDeclarations]: Found implementation of procedure __usb_control_msg [2023-12-02 12:37:22,188 INFO L130 BoogieDeclarations]: Found specification of procedure video_mux [2023-12-02 12:37:22,188 INFO L138 BoogieDeclarations]: Found implementation of procedure video_mux [2023-12-02 12:37:22,188 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_set_mode [2023-12-02 12:37:22,188 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_set_mode [2023-12-02 12:37:22,188 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_set_gpio_value [2023-12-02 12:37:22,189 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_set_gpio_value [2023-12-02 12:37:22,189 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_release_analog_resources [2023-12-02 12:37:22,189 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_release_analog_resources [2023-12-02 12:37:22,189 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_try_fmt_vbi_cap [2023-12-02 12:37:22,189 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_try_fmt_vbi_cap [2023-12-02 12:37:22,189 INFO L130 BoogieDeclarations]: Found specification of procedure restartAudioFirmware [2023-12-02 12:37:22,189 INFO L138 BoogieDeclarations]: Found implementation of procedure restartAudioFirmware [2023-12-02 12:37:22,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 12:37:22,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 12:37:22,190 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-12-02 12:37:22,190 INFO L130 BoogieDeclarations]: Found specification of procedure mpeg_poll [2023-12-02 12:37:22,190 INFO L138 BoogieDeclarations]: Found implementation of procedure mpeg_poll [2023-12-02 12:37:22,190 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-12-02 12:37:22,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-12-02 12:37:22,191 INFO L130 BoogieDeclarations]: Found specification of procedure buffer_queue [2023-12-02 12:37:22,191 INFO L138 BoogieDeclarations]: Found implementation of procedure buffer_queue [2023-12-02 12:37:22,191 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_qbuf [2023-12-02 12:37:22,191 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_qbuf [2023-12-02 12:37:22,191 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_set_model [2023-12-02 12:37:22,191 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_set_model [2023-12-02 12:37:22,192 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2023-12-02 12:37:22,192 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2023-12-02 12:37:22,192 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_streamon [2023-12-02 12:37:22,192 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_streamon [2023-12-02 12:37:22,192 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_release_resources [2023-12-02 12:37:22,192 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_release_resources [2023-12-02 12:37:22,193 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_dev_init [2023-12-02 12:37:22,193 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_dev_init [2023-12-02 12:37:22,193 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_iolock [2023-12-02 12:37:22,193 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_iolock [2023-12-02 12:37:22,193 INFO L130 BoogieDeclarations]: Found specification of procedure video_set_drvdata [2023-12-02 12:37:22,193 INFO L138 BoogieDeclarations]: Found implementation of procedure video_set_drvdata [2023-12-02 12:37:22,193 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_init_dev [2023-12-02 12:37:22,193 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_init_dev [2023-12-02 12:37:22,193 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_master_recv [2023-12-02 12:37:22,194 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_master_recv [2023-12-02 12:37:22,194 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_uninit_isoc [2023-12-02 12:37:22,194 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_uninit_isoc [2023-12-02 12:37:22,194 INFO L130 BoogieDeclarations]: Found specification of procedure format_by_fourcc [2023-12-02 12:37:22,194 INFO L138 BoogieDeclarations]: Found implementation of procedure format_by_fourcc [2023-12-02 12:37:22,194 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_get_timestamp [2023-12-02 12:37:22,194 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_get_timestamp [2023-12-02 12:37:22,194 INFO L130 BoogieDeclarations]: Found specification of procedure vbi_buffer_queue [2023-12-02 12:37:22,194 INFO L138 BoogieDeclarations]: Found implementation of procedure vbi_buffer_queue [2023-12-02 12:37:22,194 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_fmt_vbi_cap [2023-12-02 12:37:22,194 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_fmt_vbi_cap [2023-12-02 12:37:22,194 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-12-02 12:37:22,195 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-12-02 12:37:22,195 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_event_unsubscribe [2023-12-02 12:37:22,195 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_event_unsubscribe [2023-12-02 12:37:22,195 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_i2s_blk_update_power_control [2023-12-02 12:37:22,195 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_i2s_blk_update_power_control [2023-12-02 12:37:22,195 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_init_class [2023-12-02 12:37:22,195 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_init_class [2023-12-02 12:37:22,195 INFO L130 BoogieDeclarations]: Found specification of procedure poll_requested_events [2023-12-02 12:37:22,195 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_requested_events [2023-12-02 12:37:22,195 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-12-02 12:37:22,195 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-12-02 12:37:22,195 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2023-12-02 12:37:22,196 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2023-12-02 12:37:22,196 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_i2c_register [2023-12-02 12:37:22,196 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_i2c_register [2023-12-02 12:37:22,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 12:37:22,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 12:37:22,196 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_afe_init_super_block [2023-12-02 12:37:22,196 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_afe_init_super_block [2023-12-02 12:37:22,196 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_read_i2c_data [2023-12-02 12:37:22,196 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_read_i2c_data [2023-12-02 12:37:22,196 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2023-12-02 12:37:22,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-12-02 12:37:22,196 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-12-02 12:37:22,197 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-12-02 12:37:22,197 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-12-02 12:37:22,197 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_i2c_new_subdev [2023-12-02 12:37:22,197 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_i2c_new_subdev [2023-12-02 12:37:22,197 INFO L130 BoogieDeclarations]: Found specification of procedure radio_s_tuner [2023-12-02 12:37:22,197 INFO L138 BoogieDeclarations]: Found implementation of procedure radio_s_tuner [2023-12-02 12:37:22,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-12-02 12:37:22,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-12-02 12:37:22,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-12-02 12:37:22,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-12-02 12:37:22,197 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2023-12-02 12:37:22,197 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2023-12-02 12:37:22,198 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_dqbuf___0 [2023-12-02 12:37:22,198 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_dqbuf___0 [2023-12-02 12:37:22,198 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_querycap [2023-12-02 12:37:22,198 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_querycap [2023-12-02 12:37:22,198 INFO L130 BoogieDeclarations]: Found specification of procedure stopAudioFirmware [2023-12-02 12:37:22,198 INFO L138 BoogieDeclarations]: Found implementation of procedure stopAudioFirmware [2023-12-02 12:37:22,198 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_enable656 [2023-12-02 12:37:22,198 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_enable656 [2023-12-02 12:37:22,198 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_g_input [2023-12-02 12:37:22,198 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_g_input [2023-12-02 12:37:22,198 INFO L130 BoogieDeclarations]: Found specification of procedure bb_buf_queue [2023-12-02 12:37:22,198 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_buf_queue [2023-12-02 12:37:22,198 INFO L130 BoogieDeclarations]: Found specification of procedure cmd_to_str [2023-12-02 12:37:22,199 INFO L138 BoogieDeclarations]: Found implementation of procedure cmd_to_str [2023-12-02 12:37:22,199 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_check_fw [2023-12-02 12:37:22,199 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_check_fw [2023-12-02 12:37:22,199 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kmalloc [2023-12-02 12:37:22,199 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kmalloc [2023-12-02 12:37:22,199 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_i2c_unregister [2023-12-02 12:37:22,199 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_i2c_unregister [2023-12-02 12:37:22,199 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_mmap_mapper [2023-12-02 12:37:22,199 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_mmap_mapper [2023-12-02 12:37:22,199 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2023-12-02 12:37:22,199 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2023-12-02 12:37:22,199 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-12-02 12:37:22,200 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-12-02 12:37:22,200 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2023-12-02 12:37:22,200 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2023-12-02 12:37:22,200 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-12-02 12:37:22,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-12-02 12:37:22,200 INFO L130 BoogieDeclarations]: Found specification of procedure res_get [2023-12-02 12:37:22,200 INFO L138 BoogieDeclarations]: Found implementation of procedure res_get [2023-12-02 12:37:22,200 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_mmap_free [2023-12-02 12:37:22,200 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_mmap_free [2023-12-02 12:37:22,200 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_s_input [2023-12-02 12:37:22,200 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_s_input [2023-12-02 12:37:22,200 INFO L130 BoogieDeclarations]: Found specification of procedure vid_blk_write_byte [2023-12-02 12:37:22,201 INFO L138 BoogieDeclarations]: Found implementation of procedure vid_blk_write_byte [2023-12-02 12:37:22,201 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2023-12-02 12:37:22,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2023-12-02 12:37:22,201 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-12-02 12:37:22,201 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-12-02 12:37:22,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-02 12:37:22,201 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-02 12:37:22,201 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 12:37:22,201 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 12:37:22,201 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_create_link [2023-12-02 12:37:22,202 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_create_link [2023-12-02 12:37:22,202 INFO L130 BoogieDeclarations]: Found specification of procedure video_drvdata [2023-12-02 12:37:22,202 INFO L138 BoogieDeclarations]: Found implementation of procedure video_drvdata [2023-12-02 12:37:22,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_va_arg [2023-12-02 12:37:22,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_va_arg [2023-12-02 12:37:22,202 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_pre_card_setup [2023-12-02 12:37:22,202 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_pre_card_setup [2023-12-02 12:37:22,203 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2023-12-02 12:37:22,203 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2023-12-02 12:37:22,203 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_s_register [2023-12-02 12:37:22,203 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_s_register [2023-12-02 12:37:22,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 12:37:22,203 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_get_vbi_line [2023-12-02 12:37:22,203 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_get_vbi_line [2023-12-02 12:37:22,204 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-12-02 12:37:22,204 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-12-02 12:37:22,204 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2023-12-02 12:37:22,204 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2023-12-02 12:37:22,204 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_read_stream [2023-12-02 12:37:22,204 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_read_stream [2023-12-02 12:37:22,205 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_config [2023-12-02 12:37:22,205 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_config [2023-12-02 12:37:22,205 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_s_video_encoding [2023-12-02 12:37:22,205 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_s_video_encoding [2023-12-02 12:37:22,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 12:37:22,205 INFO L130 BoogieDeclarations]: Found specification of procedure vid_blk_read_byte [2023-12-02 12:37:22,205 INFO L138 BoogieDeclarations]: Found implementation of procedure vid_blk_read_byte [2023-12-02 12:37:22,206 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2023-12-02 12:37:22,206 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2023-12-02 12:37:22,206 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-12-02 12:37:22,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-12-02 12:37:22,206 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2023-12-02 12:37:22,206 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2023-12-02 12:37:22,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-02 12:37:22,207 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_unregister_media_device [2023-12-02 12:37:22,207 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_unregister_media_device [2023-12-02 12:37:22,207 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-12-02 12:37:22,207 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-12-02 12:37:22,207 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_get_i2c_adap [2023-12-02 12:37:22,207 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_get_i2c_adap [2023-12-02 12:37:22,207 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_node_name [2023-12-02 12:37:22,208 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_node_name [2023-12-02 12:37:22,208 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-12-02 12:37:22,208 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-12-02 12:37:22,208 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_gpio_i2c_write_byte [2023-12-02 12:37:22,208 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_gpio_i2c_write_byte [2023-12-02 12:37:22,208 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_afe_adjust_ref_count [2023-12-02 12:37:22,208 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_afe_adjust_ref_count [2023-12-02 12:37:22,209 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2023-12-02 12:37:22,209 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2023-12-02 12:37:22,209 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-12-02 12:37:22,209 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-12-02 12:37:22,209 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2023-12-02 12:37:22,209 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2023-12-02 12:37:22,210 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_write_i2c_data [2023-12-02 12:37:22,210 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_write_i2c_data [2023-12-02 12:37:22,210 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_init_bulk [2023-12-02 12:37:22,210 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_init_bulk [2023-12-02 12:37:22,210 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-12-02 12:37:22,210 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-12-02 12:37:22,210 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_stop [2023-12-02 12:37:22,210 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_stop [2023-12-02 12:37:22,211 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2023-12-02 12:37:22,211 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2023-12-02 12:37:22,211 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_g_tuner [2023-12-02 12:37:22,211 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_g_tuner [2023-12-02 12:37:22,211 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_reset_vbi_buffer [2023-12-02 12:37:22,211 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_reset_vbi_buffer [2023-12-02 12:37:22,211 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2023-12-02 12:37:22,211 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2023-12-02 12:37:22,212 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_s_tuner [2023-12-02 12:37:22,212 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_s_tuner [2023-12-02 12:37:22,212 INFO L130 BoogieDeclarations]: Found specification of procedure radio_g_tuner [2023-12-02 12:37:22,212 INFO L138 BoogieDeclarations]: Found implementation of procedure radio_g_tuner [2023-12-02 12:37:22,212 INFO L130 BoogieDeclarations]: Found specification of procedure afe_read_byte [2023-12-02 12:37:22,212 INFO L138 BoogieDeclarations]: Found implementation of procedure afe_read_byte [2023-12-02 12:37:22,212 INFO L130 BoogieDeclarations]: Found specification of procedure buffer_copy [2023-12-02 12:37:22,212 INFO L138 BoogieDeclarations]: Found implementation of procedure buffer_copy [2023-12-02 12:37:22,212 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_v4l2_close [2023-12-02 12:37:22,212 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_v4l2_close [2023-12-02 12:37:22,212 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_dqbuf [2023-12-02 12:37:22,212 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_dqbuf [2023-12-02 12:37:22,212 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_initialize_codec [2023-12-02 12:37:22,213 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_initialize_codec [2023-12-02 12:37:22,213 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-12-02 12:37:22,213 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-12-02 12:37:22,213 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_vmalloc_free [2023-12-02 12:37:22,213 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_vmalloc_free [2023-12-02 12:37:22,213 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kmalloc_array [2023-12-02 12:37:22,213 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kmalloc_array [2023-12-02 12:37:22,213 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_set_audio_input [2023-12-02 12:37:22,213 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_set_audio_input [2023-12-02 12:37:22,213 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_set_video_input_mux [2023-12-02 12:37:22,213 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_set_video_input_mux [2023-12-02 12:37:22,213 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_poll_stream [2023-12-02 12:37:22,213 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_poll_stream [2023-12-02 12:37:22,214 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_capture_start [2023-12-02 12:37:22,214 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_capture_start [2023-12-02 12:37:22,214 INFO L130 BoogieDeclarations]: Found specification of procedure video_register_device [2023-12-02 12:37:22,214 INFO L138 BoogieDeclarations]: Found implementation of procedure video_register_device [2023-12-02 12:37:22,214 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2023-12-02 12:37:22,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2023-12-02 12:37:22,214 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_init_ctrl_pin_status [2023-12-02 12:37:22,214 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_init_ctrl_pin_status [2023-12-02 12:37:22,214 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_i2c_mux_register [2023-12-02 12:37:22,214 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_i2c_mux_register [2023-12-02 12:37:22,214 INFO L130 BoogieDeclarations]: Found specification of procedure initGPIO [2023-12-02 12:37:22,214 INFO L138 BoogieDeclarations]: Found implementation of procedure initGPIO [2023-12-02 12:37:22,214 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_queue_is_busy [2023-12-02 12:37:22,215 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_queue_is_busy [2023-12-02 12:37:22,215 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-12-02 12:37:22,215 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-12-02 12:37:22,215 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_querybuf [2023-12-02 12:37:22,215 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_querybuf [2023-12-02 12:37:22,215 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_cmpxchg [2023-12-02 12:37:22,215 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_cmpxchg [2023-12-02 12:37:22,215 INFO L130 BoogieDeclarations]: Found specification of procedure mc417_memory_read [2023-12-02 12:37:22,215 INFO L138 BoogieDeclarations]: Found implementation of procedure mc417_memory_read [2023-12-02 12:37:22,215 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_init_isoc [2023-12-02 12:37:22,215 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_init_isoc [2023-12-02 12:37:22,215 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-12-02 12:37:22,215 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-12-02 12:37:22,215 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_usb_probe [2023-12-02 12:37:22,216 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_usb_probe [2023-12-02 12:37:22,216 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_afe_set_input_mux [2023-12-02 12:37:22,216 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_afe_set_input_mux [2023-12-02 12:37:22,216 INFO L130 BoogieDeclarations]: Found specification of procedure verve_read_byte [2023-12-02 12:37:22,216 INFO L138 BoogieDeclarations]: Found implementation of procedure verve_read_byte [2023-12-02 12:37:22,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 12:37:22,216 INFO L130 BoogieDeclarations]: Found specification of procedure is_tuner [2023-12-02 12:37:22,216 INFO L138 BoogieDeclarations]: Found implementation of procedure is_tuner [2023-12-02 12:37:22,216 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2023-12-02 12:37:22,216 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2023-12-02 12:37:22,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-12-02 12:37:22,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-12-02 12:37:22,216 INFO L130 BoogieDeclarations]: Found specification of procedure afe_write_byte [2023-12-02 12:37:22,217 INFO L138 BoogieDeclarations]: Found implementation of procedure afe_write_byte [2023-12-02 12:37:22,217 INFO L130 BoogieDeclarations]: Found specification of procedure mpeg_open [2023-12-02 12:37:22,217 INFO L138 BoogieDeclarations]: Found implementation of procedure mpeg_open [2023-12-02 12:37:22,217 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_fh_add [2023-12-02 12:37:22,217 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_fh_add [2023-12-02 12:37:22,217 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_set_decoder_video_input [2023-12-02 12:37:22,217 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_set_decoder_video_input [2023-12-02 12:37:22,217 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_init [2023-12-02 12:37:22,217 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_init [2023-12-02 12:37:22,218 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_uninit_vbi_isoc [2023-12-02 12:37:22,218 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_uninit_vbi_isoc [2023-12-02 12:37:22,218 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_v4l2_mmap [2023-12-02 12:37:22,218 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_v4l2_mmap [2023-12-02 12:37:22,218 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_set_alt_setting [2023-12-02 12:37:22,218 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_set_alt_setting [2023-12-02 12:37:22,218 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-12-02 12:37:22,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-12-02 12:37:22,219 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_afe_update_power_control [2023-12-02 12:37:22,219 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_afe_update_power_control [2023-12-02 12:37:22,219 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_read_modify_write_i2c_dword [2023-12-02 12:37:22,219 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_read_modify_write_i2c_dword [2023-12-02 12:37:22,219 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_event_pending [2023-12-02 12:37:22,219 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_event_pending [2023-12-02 12:37:22,219 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_close_extension [2023-12-02 12:37:22,220 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_close_extension [2023-12-02 12:37:22,220 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_write_ctrl_reg [2023-12-02 12:37:22,220 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_write_ctrl_reg [2023-12-02 12:37:22,220 INFO L130 BoogieDeclarations]: Found specification of procedure mpeg_release [2023-12-02 12:37:22,220 INFO L138 BoogieDeclarations]: Found implementation of procedure mpeg_release [2023-12-02 12:37:22,220 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_log_status [2023-12-02 12:37:22,220 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_log_status [2023-12-02 12:37:22,221 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_register_analog_devices [2023-12-02 12:37:22,221 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_register_analog_devices [2023-12-02 12:37:22,221 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_send_vendor_cmd [2023-12-02 12:37:22,221 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_send_vendor_cmd [2023-12-02 12:37:22,221 INFO L130 BoogieDeclarations]: Found specification of procedure check_dev [2023-12-02 12:37:22,221 INFO L138 BoogieDeclarations]: Found implementation of procedure check_dev [2023-12-02 12:37:22,221 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_g_chip_info [2023-12-02 12:37:22,221 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_g_chip_info [2023-12-02 12:37:22,222 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_cropcap [2023-12-02 12:37:22,222 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_cropcap [2023-12-02 12:37:22,222 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-12-02 12:37:22,222 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-12-02 12:37:22,222 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_s_audio_sampling_freq [2023-12-02 12:37:22,222 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_s_audio_sampling_freq [2023-12-02 12:37:22,222 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_s_frequency [2023-12-02 12:37:22,222 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_s_frequency [2023-12-02 12:37:22,222 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_afe_set_mode [2023-12-02 12:37:22,222 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_afe_set_mode [2023-12-02 12:37:22,222 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_queue_vmalloc_init [2023-12-02 12:37:22,222 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_queue_vmalloc_init [2023-12-02 12:37:22,222 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~X~~u8~0~TO~int [2023-12-02 12:37:22,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~X~~u8~0~TO~int [2023-12-02 12:37:22,223 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_disable656 [2023-12-02 12:37:22,223 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_disable656 [2023-12-02 12:37:22,223 INFO L130 BoogieDeclarations]: Found specification of procedure buffer_setup [2023-12-02 12:37:22,223 INFO L138 BoogieDeclarations]: Found implementation of procedure buffer_setup [2023-12-02 12:37:22,223 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2023-12-02 12:37:22,223 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2023-12-02 12:37:22,223 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_remove_from_devlist [2023-12-02 12:37:22,223 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_remove_from_devlist [2023-12-02 12:37:22,223 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_reqbufs___0 [2023-12-02 12:37:22,223 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_reqbufs___0 [2023-12-02 12:37:22,223 INFO L130 BoogieDeclarations]: Found specification of procedure get_itvc_reg [2023-12-02 12:37:22,223 INFO L138 BoogieDeclarations]: Found implementation of procedure get_itvc_reg [2023-12-02 12:37:22,223 INFO L130 BoogieDeclarations]: Found specification of procedure print_err_status [2023-12-02 12:37:22,223 INFO L138 BoogieDeclarations]: Found implementation of procedure print_err_status [2023-12-02 12:37:22,224 INFO L130 BoogieDeclarations]: Found specification of procedure norm_maxw [2023-12-02 12:37:22,224 INFO L138 BoogieDeclarations]: Found implementation of procedure norm_maxw [2023-12-02 12:37:22,224 INFO L130 BoogieDeclarations]: Found specification of procedure verve_write_byte [2023-12-02 12:37:22,224 INFO L138 BoogieDeclarations]: Found implementation of procedure verve_write_byte [2023-12-02 12:37:22,224 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_find_next_SAV_EAV [2023-12-02 12:37:22,224 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_find_next_SAV_EAV [2023-12-02 12:37:22,224 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_set_power_mode [2023-12-02 12:37:22,224 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_set_power_mode [2023-12-02 12:37:22,224 INFO L130 BoogieDeclarations]: Found specification of procedure norm_maxh [2023-12-02 12:37:22,224 INFO L138 BoogieDeclarations]: Found implementation of procedure norm_maxh [2023-12-02 12:37:22,224 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-12-02 12:37:22,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-12-02 12:37:22,224 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_api_cmd [2023-12-02 12:37:22,225 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_api_cmd [2023-12-02 12:37:22,225 INFO L130 BoogieDeclarations]: Found specification of procedure mpeg_mmap [2023-12-02 12:37:22,225 INFO L138 BoogieDeclarations]: Found implementation of procedure mpeg_mmap [2023-12-02 12:37:22,225 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_close [2023-12-02 12:37:22,225 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_close [2023-12-02 12:37:22,225 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_g_frequency [2023-12-02 12:37:22,225 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_g_frequency [2023-12-02 12:37:22,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 12:37:22,225 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_vdev_init [2023-12-02 12:37:22,225 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_vdev_init [2023-12-02 12:37:22,225 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_get_video_line [2023-12-02 12:37:22,225 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_get_video_line [2023-12-02 12:37:22,225 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_v4l2_open [2023-12-02 12:37:22,225 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_v4l2_open [2023-12-02 12:37:22,226 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_fh_del [2023-12-02 12:37:22,226 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_fh_del [2023-12-02 12:37:22,226 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2023-12-02 12:37:22,226 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2023-12-02 12:37:24,505 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 12:37:24,510 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 12:37:25,016 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-12-02 12:39:25,421 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 12:39:43,357 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 12:39:43,357 INFO L309 CfgBuilder]: Removed 5 assume(true) statements. [2023-12-02 12:39:43,362 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:39:43 BoogieIcfgContainer [2023-12-02 12:39:43,362 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 12:39:43,365 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 12:39:43,365 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 12:39:43,368 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 12:39:43,368 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:37:06" (1/3) ... [2023-12-02 12:39:43,369 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@199f0217 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:39:43, skipping insertion in model container [2023-12-02 12:39:43,369 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:37:16" (2/3) ... [2023-12-02 12:39:43,370 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@199f0217 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:39:43, skipping insertion in model container [2023-12-02 12:39:43,370 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:39:43" (3/3) ... [2023-12-02 12:39:43,371 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--media--usb--cx231xx--cx231xx.ko-entry_point.cil.out.i [2023-12-02 12:39:43,392 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 12:39:43,392 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 12:39:43,556 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 12:39:43,563 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;@20ff80ce, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 12:39:43,563 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 12:39:43,589 INFO L276 IsEmpty]: Start isEmpty. Operand has 6042 states, 3742 states have (on average 1.3150721539283805) internal successors, (4921), 3803 states have internal predecessors, (4921), 2007 states have call successors, (2007), 292 states have call predecessors, (2007), 291 states have return successors, (1991), 1987 states have call predecessors, (1991), 1991 states have call successors, (1991) [2023-12-02 12:39:43,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-02 12:39:43,621 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:39:43,622 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 12:39:43,623 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:39:43,628 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:39:43,628 INFO L85 PathProgramCache]: Analyzing trace with hash 2140400265, now seen corresponding path program 1 times [2023-12-02 12:39:43,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:39:43,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772768668] [2023-12-02 12:39:43,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:39:43,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:39:58,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:39:58,902 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:39:58,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772768668] [2023-12-02 12:39:58,903 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-12-02 12:39:58,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [464976804] [2023-12-02 12:39:58,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:39:58,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 12:39:58,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a097b60e-02f4-4a1e-be19-207d4d4d9fbe/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 12:39:58,908 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a097b60e-02f4-4a1e-be19-207d4d4d9fbe/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 12:39:58,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a097b60e-02f4-4a1e-be19-207d4d4d9fbe/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 12:40:19,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:40:20,074 INFO L262 TraceCheckSpWp]: Trace formula consists of 34734 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 12:40:20,108 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:40:20,332 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 12:40:20,332 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 12:40:20,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [464976804] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:40:20,333 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:40:20,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 12:40:20,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709600969] [2023-12-02 12:40:20,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:40:20,343 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 12:40:20,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:40:20,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 12:40:20,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 12:40:20,396 INFO L87 Difference]: Start difference. First operand has 6042 states, 3742 states have (on average 1.3150721539283805) internal successors, (4921), 3803 states have internal predecessors, (4921), 2007 states have call successors, (2007), 292 states have call predecessors, (2007), 291 states have return successors, (1991), 1987 states have call predecessors, (1991), 1991 states have call successors, (1991) Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-12-02 12:40:21,584 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 12:40:24,677 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:40:35,014 WARN L539 Checker$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 12:40:36,047 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:40:40,230 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:40:42,235 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:40:46,544 WARN L539 Checker$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 12:40:48,579 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:40:51,205 WARN L539 Checker$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 12:40:53,755 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:40:58,218 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:41:03,253 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:41:05,260 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:41:07,298 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:41:09,305 WARN L539 Checker$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 12:41:09,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:41:09,496 INFO L93 Difference]: Finished difference Result 18084 states and 27836 transitions. [2023-12-02 12:41:09,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 12:41:09,499 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 66 [2023-12-02 12:41:09,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:41:09,626 INFO L225 Difference]: With dead ends: 18084 [2023-12-02 12:41:09,626 INFO L226 Difference]: Without dead ends: 11997 [2023-12-02 12:41:09,701 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 64 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 12:41:09,704 INFO L413 NwaCegarLoop]: 8549 mSDtfsCounter, 8845 mSDsluCounter, 8131 mSDsCounter, 0 mSdLazyCounter, 1585 mSolverCounterSat, 3 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 46.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8845 SdHoareTripleChecker+Valid, 16680 SdHoareTripleChecker+Invalid, 1599 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1585 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 48.2s IncrementalHoareTripleChecker+Time [2023-12-02 12:41:09,705 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8845 Valid, 16680 Invalid, 1599 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 1585 Invalid, 11 Unknown, 0 Unchecked, 48.2s Time] [2023-12-02 12:41:09,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11997 states. [2023-12-02 12:41:10,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11997 to 11992. [2023-12-02 12:41:10,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11992 states, 7444 states have (on average 1.3088393336915636) internal successors, (9743), 7530 states have internal predecessors, (9743), 3970 states have call successors, (3970), 578 states have call predecessors, (3970), 577 states have return successors, (3968), 3959 states have call predecessors, (3968), 3968 states have call successors, (3968) [2023-12-02 12:41:10,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11992 states to 11992 states and 17681 transitions. [2023-12-02 12:41:10,603 INFO L78 Accepts]: Start accepts. Automaton has 11992 states and 17681 transitions. Word has length 66 [2023-12-02 12:41:10,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:41:10,604 INFO L495 AbstractCegarLoop]: Abstraction has 11992 states and 17681 transitions. [2023-12-02 12:41:10,604 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-12-02 12:41:10,604 INFO L276 IsEmpty]: Start isEmpty. Operand 11992 states and 17681 transitions. [2023-12-02 12:41:10,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-02 12:41:10,613 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:41:10,613 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 12:41:10,708 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a097b60e-02f4-4a1e-be19-207d4d4d9fbe/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 12:41:10,820 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a097b60e-02f4-4a1e-be19-207d4d4d9fbe/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-02 12:41:10,820 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:41:10,821 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:41:10,821 INFO L85 PathProgramCache]: Analyzing trace with hash 1660784182, now seen corresponding path program 1 times [2023-12-02 12:41:10,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:41:10,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428771898] [2023-12-02 12:41:10,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:41:10,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:41:25,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:41:26,857 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-02 12:41:26,857 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:41:26,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428771898] [2023-12-02 12:41:26,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428771898] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:41:26,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:41:26,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 12:41:26,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66275491] [2023-12-02 12:41:26,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:41:26,860 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 12:41:26,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:41:26,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 12:41:26,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 12:41:26,862 INFO L87 Difference]: Start difference. First operand 11992 states and 17681 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-12-02 12:41:27,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:41:31,151 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:41:34,784 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:41:43,562 WARN L539 Checker$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 12:41:45,569 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:41:47,551 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:41:52,064 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:41:54,074 WARN L539 Checker$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 12:41:56,452 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:41:59,192 WARN L539 Checker$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 12:42:01,229 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:42:07,213 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:42:09,223 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:42:11,258 WARN L539 Checker$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 12:42:13,263 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 12:42:13,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:42:13,506 INFO L93 Difference]: Finished difference Result 35399 states and 52183 transitions. [2023-12-02 12:42:13,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 12:42:13,507 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 70 [2023-12-02 12:42:13,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:42:13,694 INFO L225 Difference]: With dead ends: 35399 [2023-12-02 12:42:13,694 INFO L226 Difference]: Without dead ends: 23410 [2023-12-02 12:42:13,782 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 12:42:13,784 INFO L413 NwaCegarLoop]: 8543 mSDtfsCounter, 8424 mSDsluCounter, 8090 mSDsCounter, 0 mSdLazyCounter, 1580 mSolverCounterSat, 2 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8424 SdHoareTripleChecker+Valid, 16633 SdHoareTripleChecker+Invalid, 1593 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1580 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 45.7s IncrementalHoareTripleChecker+Time [2023-12-02 12:42:13,784 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8424 Valid, 16633 Invalid, 1593 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 1580 Invalid, 11 Unknown, 0 Unchecked, 45.7s Time] [2023-12-02 12:42:13,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23410 states. [2023-12-02 12:42:15,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23410 to 23404. [2023-12-02 12:42:15,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23404 states, 14515 states have (on average 1.309335170513262) internal successors, (19005), 14687 states have internal predecessors, (19005), 7748 states have call successors, (7748), 1141 states have call predecessors, (7748), 1140 states have return successors, (7746), 7727 states have call predecessors, (7746), 7746 states have call successors, (7746) [2023-12-02 12:42:15,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23404 states to 23404 states and 34499 transitions. [2023-12-02 12:42:15,393 INFO L78 Accepts]: Start accepts. Automaton has 23404 states and 34499 transitions. Word has length 70 [2023-12-02 12:42:15,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:42:15,394 INFO L495 AbstractCegarLoop]: Abstraction has 23404 states and 34499 transitions. [2023-12-02 12:42:15,394 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-12-02 12:42:15,395 INFO L276 IsEmpty]: Start isEmpty. Operand 23404 states and 34499 transitions. [2023-12-02 12:42:15,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-02 12:42:15,398 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:42:15,398 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:42:15,398 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-02 12:42:15,398 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:42:15,399 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:42:15,399 INFO L85 PathProgramCache]: Analyzing trace with hash 740441628, now seen corresponding path program 1 times [2023-12-02 12:42:15,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:42:15,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459672341] [2023-12-02 12:42:15,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:42:15,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:42:29,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:42:30,929 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 12:42:30,929 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:42:30,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459672341] [2023-12-02 12:42:30,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459672341] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:42:30,930 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:42:30,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 12:42:30,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057053907] [2023-12-02 12:42:30,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:42:30,931 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 12:42:30,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:42:30,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 12:42:30,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 12:42:30,932 INFO L87 Difference]: Start difference. First operand 23404 states and 34499 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-12-02 12:42:31,977 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 12:42:36,386 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:42:38,391 WARN L539 Checker$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 12:42:46,150 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:42:48,336 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:42:52,722 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:42:54,670 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:42:58,140 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:42:59,738 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:43:03,627 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:43:07,999 WARN L539 Checker$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 12:43:10,008 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:43:12,340 WARN L539 Checker$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 12:43:14,891 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:43:16,929 WARN L539 Checker$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 12:43:19,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:43:21,156 WARN L539 Checker$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 12:43:23,190 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:43:25,211 WARN L539 Checker$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 12:43:26,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:43:26,526 INFO L93 Difference]: Finished difference Result 69867 states and 102953 transitions. [2023-12-02 12:43:26,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 12:43:26,527 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 74 [2023-12-02 12:43:26,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:43:26,759 INFO L225 Difference]: With dead ends: 69867 [2023-12-02 12:43:26,759 INFO L226 Difference]: Without dead ends: 46466 [2023-12-02 12:43:26,869 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 12:43:26,870 INFO L413 NwaCegarLoop]: 12984 mSDtfsCounter, 8699 mSDsluCounter, 8088 mSDsCounter, 0 mSdLazyCounter, 2034 mSolverCounterSat, 2 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 52.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8699 SdHoareTripleChecker+Valid, 21072 SdHoareTripleChecker+Invalid, 2049 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2034 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 54.2s IncrementalHoareTripleChecker+Time [2023-12-02 12:43:26,870 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8699 Valid, 21072 Invalid, 2049 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 2034 Invalid, 13 Unknown, 0 Unchecked, 54.2s Time] [2023-12-02 12:43:26,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46466 states. [2023-12-02 12:43:29,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46466 to 46462. [2023-12-02 12:43:29,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46462 states, 28837 states have (on average 1.309324825744703) internal successors, (37757), 29165 states have internal predecessors, (37757), 15348 states have call successors, (15348), 2277 states have call predecessors, (15348), 2276 states have return successors, (15346), 15315 states have call predecessors, (15346), 15346 states have call successors, (15346) [2023-12-02 12:43:29,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46462 states to 46462 states and 68451 transitions. [2023-12-02 12:43:29,742 INFO L78 Accepts]: Start accepts. Automaton has 46462 states and 68451 transitions. Word has length 74 [2023-12-02 12:43:29,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:43:29,742 INFO L495 AbstractCegarLoop]: Abstraction has 46462 states and 68451 transitions. [2023-12-02 12:43:29,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-12-02 12:43:29,743 INFO L276 IsEmpty]: Start isEmpty. Operand 46462 states and 68451 transitions. [2023-12-02 12:43:29,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-12-02 12:43:29,749 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:43:29,750 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 12:43:29,750 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-02 12:43:29,750 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:43:29,750 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:43:29,751 INFO L85 PathProgramCache]: Analyzing trace with hash 166505421, now seen corresponding path program 1 times [2023-12-02 12:43:29,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:43:29,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913385969] [2023-12-02 12:43:29,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:43:29,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:43:43,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:43:43,859 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:43:43,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913385969] [2023-12-02 12:43:43,859 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-12-02 12:43:43,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1580671873] [2023-12-02 12:43:43,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:43:43,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 12:43:43,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a097b60e-02f4-4a1e-be19-207d4d4d9fbe/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 12:43:43,863 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a097b60e-02f4-4a1e-be19-207d4d4d9fbe/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 12:43:43,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a097b60e-02f4-4a1e-be19-207d4d4d9fbe/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-02 12:44:04,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:44:04,829 INFO L262 TraceCheckSpWp]: Trace formula consists of 34692 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 12:44:04,856 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:44:05,148 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-02 12:44:05,149 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 12:44:05,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1580671873] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:44:05,149 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:44:05,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 12:44:05,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086766006] [2023-12-02 12:44:05,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:44:05,150 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 12:44:05,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:44:05,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 12:44:05,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 12:44:05,151 INFO L87 Difference]: Start difference. First operand 46462 states and 68451 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2023-12-02 12:44:06,240 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:44:09,496 WARN L539 Checker$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 12:44:18,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:44:19,179 WARN L539 Checker$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 12:44:23,291 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 12:44:25,017 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:44:28,595 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:44:30,604 WARN L539 Checker$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 12:44:36,912 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:44:39,526 WARN L539 Checker$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 12:44:43,365 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:44:45,399 WARN L539 Checker$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 12:44:51,284 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:44:53,300 WARN L539 Checker$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 12:44:55,342 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:44:57,352 WARN L539 Checker$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 12:44:57,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:44:57,958 INFO L93 Difference]: Finished difference Result 138912 states and 204667 transitions. [2023-12-02 12:44:57,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 12:44:57,959 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 87 [2023-12-02 12:44:57,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:44:58,464 INFO L225 Difference]: With dead ends: 138912 [2023-12-02 12:44:58,464 INFO L226 Difference]: Without dead ends: 92453 [2023-12-02 12:44:58,728 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 85 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 12:44:58,729 INFO L413 NwaCegarLoop]: 8859 mSDtfsCounter, 8742 mSDsluCounter, 8077 mSDsCounter, 0 mSdLazyCounter, 1661 mSolverCounterSat, 7 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 48.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8742 SdHoareTripleChecker+Valid, 16936 SdHoareTripleChecker+Invalid, 1680 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1661 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 49.9s IncrementalHoareTripleChecker+Time [2023-12-02 12:44:58,729 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8742 Valid, 16936 Invalid, 1680 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 1661 Invalid, 12 Unknown, 0 Unchecked, 49.9s Time] [2023-12-02 12:44:58,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92453 states. [2023-12-02 12:45:03,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92453 to 92448. [2023-12-02 12:45:03,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92448 states, 57388 states have (on average 1.309054157663623) internal successors, (75124), 58044 states have internal predecessors, (75124), 30523 states have call successors, (30523), 4537 states have call predecessors, (30523), 4536 states have return successors, (30521), 30458 states have call predecessors, (30521), 30521 states have call successors, (30521) [2023-12-02 12:45:04,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92448 states to 92448 states and 136168 transitions. [2023-12-02 12:45:04,091 INFO L78 Accepts]: Start accepts. Automaton has 92448 states and 136168 transitions. Word has length 87 [2023-12-02 12:45:04,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:45:04,091 INFO L495 AbstractCegarLoop]: Abstraction has 92448 states and 136168 transitions. [2023-12-02 12:45:04,091 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2023-12-02 12:45:04,092 INFO L276 IsEmpty]: Start isEmpty. Operand 92448 states and 136168 transitions. [2023-12-02 12:45:04,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-12-02 12:45:04,096 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:45:04,096 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:45:04,182 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a097b60e-02f4-4a1e-be19-207d4d4d9fbe/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-02 12:45:04,296 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a097b60e-02f4-4a1e-be19-207d4d4d9fbe/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 12:45:04,297 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:45:04,297 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:45:04,297 INFO L85 PathProgramCache]: Analyzing trace with hash 965872394, now seen corresponding path program 1 times [2023-12-02 12:45:04,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:45:04,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333277666] [2023-12-02 12:45:04,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:45:04,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:45:18,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:45:19,509 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-12-02 12:45:19,509 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:45:19,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333277666] [2023-12-02 12:45:19,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333277666] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:45:19,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:45:19,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 12:45:19,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244965843] [2023-12-02 12:45:19,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:45:19,511 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 12:45:19,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:45:19,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 12:45:19,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 12:45:19,512 INFO L87 Difference]: Start difference. First operand 92448 states and 136168 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-02 12:45:20,529 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:45:23,820 WARN L539 Checker$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 12:45:26,499 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:45:31,840 WARN L539 Checker$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 12:45:36,509 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:45:38,512 WARN L539 Checker$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 12:45:40,820 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:45:48,300 WARN L539 Checker$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 12:45:50,810 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:45:55,455 WARN L539 Checker$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 12:45:57,491 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:46:00,182 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:46:05,653 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:46:07,665 WARN L539 Checker$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 12:46:09,697 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:46:11,707 WARN L539 Checker$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 12:46:12,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:46:12,805 INFO L93 Difference]: Finished difference Result 276625 states and 407367 transitions. [2023-12-02 12:46:12,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 12:46:12,806 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 99 [2023-12-02 12:46:12,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:46:13,764 INFO L225 Difference]: With dead ends: 276625 [2023-12-02 12:46:13,764 INFO L226 Difference]: Without dead ends: 184180 [2023-12-02 12:46:14,077 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 12:46:14,077 INFO L413 NwaCegarLoop]: 9008 mSDtfsCounter, 8731 mSDsluCounter, 8076 mSDsCounter, 0 mSdLazyCounter, 1670 mSolverCounterSat, 2 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 45.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8731 SdHoareTripleChecker+Valid, 17084 SdHoareTripleChecker+Invalid, 1682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1670 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 47.0s IncrementalHoareTripleChecker+Time [2023-12-02 12:46:14,078 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8731 Valid, 17084 Invalid, 1682 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 1670 Invalid, 10 Unknown, 0 Unchecked, 47.0s Time] [2023-12-02 12:46:14,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184180 states. [2023-12-02 12:46:21,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184180 to 184168. [2023-12-02 12:46:22,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184168 states, 114308 states have (on average 1.3087797879413514) internal successors, (149604), 115620 states have internal predecessors, (149604), 60787 states have call successors, (60787), 9073 states have call predecessors, (60787), 9072 states have return successors, (60785), 60658 states have call predecessors, (60785), 60785 states have call successors, (60785) [2023-12-02 12:46:23,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184168 states to 184168 states and 271176 transitions. [2023-12-02 12:46:23,865 INFO L78 Accepts]: Start accepts. Automaton has 184168 states and 271176 transitions. Word has length 99 [2023-12-02 12:46:23,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:46:23,866 INFO L495 AbstractCegarLoop]: Abstraction has 184168 states and 271176 transitions. [2023-12-02 12:46:23,866 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-02 12:46:23,866 INFO L276 IsEmpty]: Start isEmpty. Operand 184168 states and 271176 transitions. [2023-12-02 12:46:23,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 12:46:23,872 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:46:23,872 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 12:46:23,872 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-02 12:46:23,873 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:46:23,873 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:46:23,873 INFO L85 PathProgramCache]: Analyzing trace with hash -1514804105, now seen corresponding path program 1 times [2023-12-02 12:46:23,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:46:23,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317148404] [2023-12-02 12:46:23,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:46:23,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:46:37,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:46:38,214 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:46:38,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317148404] [2023-12-02 12:46:38,214 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-12-02 12:46:38,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1395052698] [2023-12-02 12:46:38,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:46:38,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 12:46:38,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a097b60e-02f4-4a1e-be19-207d4d4d9fbe/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 12:46:38,216 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a097b60e-02f4-4a1e-be19-207d4d4d9fbe/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 12:46:38,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a097b60e-02f4-4a1e-be19-207d4d4d9fbe/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-02 12:47:00,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:47:00,186 INFO L262 TraceCheckSpWp]: Trace formula consists of 35090 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 12:47:00,202 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:47:00,556 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-02 12:47:00,556 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 12:47:00,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1395052698] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:47:00,556 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:47:00,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 12:47:00,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65062840] [2023-12-02 12:47:00,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:47:00,558 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 12:47:00,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:47:00,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 12:47:00,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 12:47:00,559 INFO L87 Difference]: Start difference. First operand 184168 states and 271176 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2023-12-02 12:47:04,651 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:47:10,571 WARN L539 Checker$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 12:47:11,795 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:47:16,072 WARN L539 Checker$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 12:47:18,076 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:47:20,632 WARN L539 Checker$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 12:47:31,775 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:47:34,143 WARN L539 Checker$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 12:47:42,654 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:47:44,690 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:47:47,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:47:48,943 WARN L539 Checker$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 12:47:56,991 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:47:59,002 WARN L539 Checker$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 12:48:00,659 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:48:02,668 WARN L539 Checker$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 12:48:05,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:48:05,192 INFO L93 Difference]: Finished difference Result 550765 states and 810967 transitions. [2023-12-02 12:48:05,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 12:48:05,193 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 106 [2023-12-02 12:48:05,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:48:07,497 INFO L225 Difference]: With dead ends: 550765 [2023-12-02 12:48:07,497 INFO L226 Difference]: Without dead ends: 366600 [2023-12-02 12:48:08,540 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 104 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 12:48:08,541 INFO L413 NwaCegarLoop]: 9508 mSDtfsCounter, 8702 mSDsluCounter, 8077 mSDsCounter, 0 mSdLazyCounter, 1738 mSolverCounterSat, 7 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 50.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8702 SdHoareTripleChecker+Valid, 17585 SdHoareTripleChecker+Invalid, 1756 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1738 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 51.5s IncrementalHoareTripleChecker+Time [2023-12-02 12:48:08,541 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8702 Valid, 17585 Invalid, 1756 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 1738 Invalid, 11 Unknown, 0 Unchecked, 51.5s Time] [2023-12-02 12:48:08,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366600 states. [2023-12-02 12:48:26,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366600 to 366592. [2023-12-02 12:48:26,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 366592 states, 227568 states have (on average 1.3082331434999648) internal successors, (297712), 230192 states have internal predecessors, (297712), 120943 states have call successors, (120943), 18081 states have call predecessors, (120943), 18080 states have return successors, (120941), 120686 states have call predecessors, (120941), 120941 states have call successors, (120941) [2023-12-02 12:48:29,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366592 states to 366592 states and 539596 transitions. [2023-12-02 12:48:29,554 INFO L78 Accepts]: Start accepts. Automaton has 366592 states and 539596 transitions. Word has length 106 [2023-12-02 12:48:29,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:48:29,554 INFO L495 AbstractCegarLoop]: Abstraction has 366592 states and 539596 transitions. [2023-12-02 12:48:29,555 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2023-12-02 12:48:29,555 INFO L276 IsEmpty]: Start isEmpty. Operand 366592 states and 539596 transitions. [2023-12-02 12:48:29,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 12:48:29,562 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:48:29,562 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2023-12-02 12:48:29,643 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a097b60e-02f4-4a1e-be19-207d4d4d9fbe/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-12-02 12:48:29,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a097b60e-02f4-4a1e-be19-207d4d4d9fbe/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 12:48:29,763 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:48:29,763 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:48:29,764 INFO L85 PathProgramCache]: Analyzing trace with hash -809469415, now seen corresponding path program 1 times [2023-12-02 12:48:29,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:48:29,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844961570] [2023-12-02 12:48:29,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:48:29,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:48:43,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:48:43,543 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:48:43,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844961570] [2023-12-02 12:48:43,543 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-12-02 12:48:43,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1938995472] [2023-12-02 12:48:43,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:48:43,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 12:48:43,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a097b60e-02f4-4a1e-be19-207d4d4d9fbe/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 12:48:43,545 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a097b60e-02f4-4a1e-be19-207d4d4d9fbe/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 12:48:43,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a097b60e-02f4-4a1e-be19-207d4d4d9fbe/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-02 12:49:02,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:49:02,923 INFO L262 TraceCheckSpWp]: Trace formula consists of 34525 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 12:49:02,939 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:49:03,285 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 12:49:03,286 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 12:49:03,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1938995472] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:49:03,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:49:03,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 12:49:03,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860047465] [2023-12-02 12:49:03,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:49:03,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 12:49:03,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:49:03,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 12:49:03,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 12:49:03,288 INFO L87 Difference]: Start difference. First operand 366592 states and 539596 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2023-12-02 12:49:04,402 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:49:07,695 WARN L539 Checker$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 12:49:15,213 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:49:18,382 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 12:49:20,586 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:49:22,591 WARN L539 Checker$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 12:49:24,358 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:49:38,054 WARN L539 Checker$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 12:49:40,065 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:49:42,844 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []