./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--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_e8f4a8fa-a37e-4332-83e5-cd438fa96fd0/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8f4a8fa-a37e-4332-83e5-cd438fa96fd0/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_e8f4a8fa-a37e-4332-83e5-cd438fa96fd0/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8f4a8fa-a37e-4332-83e5-cd438fa96fd0/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-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_e8f4a8fa-a37e-4332-83e5-cd438fa96fd0/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_e8f4a8fa-a37e-4332-83e5-cd438fa96fd0/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 cf7d5d2d6712a5ca5a07c4c52745f57eea10497dbfd02b8243ac5bb6e79dbca2 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 12:27:54,064 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 12:27:54,132 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8f4a8fa-a37e-4332-83e5-cd438fa96fd0/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-12-02 12:27:54,137 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 12:27:54,138 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 12:27:54,162 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 12:27:54,163 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 12:27:54,163 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 12:27:54,164 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 12:27:54,165 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 12:27:54,165 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 12:27:54,166 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 12:27:54,166 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 12:27:54,167 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 12:27:54,167 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 12:27:54,168 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 12:27:54,168 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 12:27:54,169 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 12:27:54,169 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 12:27:54,170 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 12:27:54,170 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 12:27:54,171 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 12:27:54,172 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 12:27:54,172 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 12:27:54,173 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 12:27:54,173 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 12:27:54,173 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 12:27:54,174 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 12:27:54,174 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 12:27:54,174 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 12:27:54,175 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 12:27:54,175 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 12:27:54,176 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 12:27:54,176 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 12:27:54,176 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 12:27:54,176 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 12:27:54,177 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 12:27:54,177 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 12:27:54,177 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 12:27:54,177 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 12:27:54,177 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 12:27:54,178 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 12:27:54,178 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 12:27:54,178 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 12:27:54,178 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_e8f4a8fa-a37e-4332-83e5-cd438fa96fd0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8f4a8fa-a37e-4332-83e5-cd438fa96fd0/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cf7d5d2d6712a5ca5a07c4c52745f57eea10497dbfd02b8243ac5bb6e79dbca2 [2023-12-02 12:27:54,394 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 12:27:54,415 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 12:27:54,417 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 12:27:54,418 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 12:27:54,418 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 12:27:54,420 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8f4a8fa-a37e-4332-83e5-cd438fa96fd0/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--media--usb--cx231xx--cx231xx.ko-entry_point.cil.out.i [2023-12-02 12:27:57,159 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 12:27:57,934 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 12:27:57,934 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8f4a8fa-a37e-4332-83e5-cd438fa96fd0/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--media--usb--cx231xx--cx231xx.ko-entry_point.cil.out.i [2023-12-02 12:27:58,009 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8f4a8fa-a37e-4332-83e5-cd438fa96fd0/bin/utaipan-verify-nQ1chXbOIh/data/2c3856b52/b7ef0a132ce7430bb1f53dfd97d3db9d/FLAG072011beb [2023-12-02 12:27:58,024 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8f4a8fa-a37e-4332-83e5-cd438fa96fd0/bin/utaipan-verify-nQ1chXbOIh/data/2c3856b52/b7ef0a132ce7430bb1f53dfd97d3db9d [2023-12-02 12:27:58,027 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 12:27:58,028 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 12:27:58,030 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 12:27:58,030 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 12:27:58,035 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 12:27:58,036 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:27:58" (1/1) ... [2023-12-02 12:27:58,037 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ef2aad4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:27:58, skipping insertion in model container [2023-12-02 12:27:58,038 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:27:58" (1/1) ... [2023-12-02 12:27:58,383 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 12:27:58,846 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [4806] [2023-12-02 12:27:58,915 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [7813] [2023-12-02 12:27:58,916 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [7814-7815] [2023-12-02 12:27:59,387 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_e8f4a8fa-a37e-4332-83e5-cd438fa96fd0/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--media--usb--cx231xx--cx231xx.ko-entry_point.cil.out.i[234320,234333] [2023-12-02 12:28:04,802 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 12:28:05,000 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 12:28:05,121 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [4806] [2023-12-02 12:28:05,169 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [7813] [2023-12-02 12:28:05,170 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [7814-7815] [2023-12-02 12:28:05,171 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"); [7897] [2023-12-02 12:28:05,176 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (__preempt_count)); [7942] [2023-12-02 12:28:05,176 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [7945] [2023-12-02 12:28:05,176 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [7948] [2023-12-02 12:28:05,177 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [7951] [2023-12-02 12:28:05,180 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_e8f4a8fa-a37e-4332-83e5-cd438fa96fd0/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--media--usb--cx231xx--cx231xx.ko-entry_point.cil.out.i[234320,234333] [2023-12-02 12:28:05,227 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers--X--defaultlinux-3.16-rc1.tar.xz--X--43_2a--X--cpachecker/linux-3.16-rc1.tar.xz/csd_deg_dscv/3333/dscv_tempdir/dscv/ri/43_2a/drivers/media/usb/cx231xx/cx231xx-video.o.c.prepared"), "i" (756), "i" (12UL)); [8970-8971] [2023-12-02 12:28:05,687 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers--X--defaultlinux-3.16-rc1.tar.xz--X--43_2a--X--cpachecker/linux-3.16-rc1.tar.xz/csd_deg_dscv/3333/dscv_tempdir/dscv/ri/43_2a/drivers/media/usb/cx231xx/cx231xx-i2c.o.c.prepared"), "i" (582), "i" (12UL)); [13009-13010] [2023-12-02 12:28:05,727 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)); [13176] [2023-12-02 12:28:05,727 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"); [13184-13185] [2023-12-02 12:28:05,801 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"./arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [14669-14670] [2023-12-02 12:28:05,802 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (44UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [14675-14677] [2023-12-02 12:28:05,802 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)); [14691] [2023-12-02 12:28:05,802 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)); [14698] [2023-12-02 12:28:06,050 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"); [22021-22022] [2023-12-02 12:28:06,051 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"); [22025-22026] [2023-12-02 12:28:06,051 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"); [22029-22030] [2023-12-02 12:28:06,051 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"); [22033-22034] [2023-12-02 12:28:06,052 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"); [22066-22067] [2023-12-02 12:28:06,053 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"); [22071-22072] [2023-12-02 12:28:06,053 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"); [22076-22077] [2023-12-02 12:28:06,054 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"); [22081-22082] [2023-12-02 12:28:06,094 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers--X--defaultlinux-3.16-rc1.tar.xz--X--43_2a--X--cpachecker/linux-3.16-rc1.tar.xz/csd_deg_dscv/3333/dscv_tempdir/dscv/ri/43_2a/drivers/media/usb/cx231xx/cx231xx-417.o.c.prepared"), "i" (1317), "i" (12UL)); [23157-23158] [2023-12-02 12:28:06,258 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers--X--defaultlinux-3.16-rc1.tar.xz--X--43_2a--X--cpachecker/linux-3.16-rc1.tar.xz/csd_deg_dscv/3333/dscv_tempdir/dscv/ri/43_2a/drivers/media/usb/cx231xx/cx231xx-vbi.o.c.prepared"), "i" (269), "i" (12UL)); [25510-25511] [2023-12-02 12:28:06,296 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 12:28:06,676 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 12:28:06,676 WARN L675 CHandler]: The function __xadd_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 12:28:06,676 WARN L675 CHandler]: The function __cmpxchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 12:28:06,676 WARN L675 CHandler]: The function __VERIFIER_nondet_u32 is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 12:28:06,676 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 12:28:06,684 INFO L206 MainTranslator]: Completed translation [2023-12-02 12:28:06,684 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:28:06 WrapperNode [2023-12-02 12:28:06,685 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 12:28:06,686 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 12:28:06,686 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 12:28:06,686 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 12:28:06,694 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:28:06" (1/1) ... [2023-12-02 12:28:06,950 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:28:06" (1/1) ... [2023-12-02 12:28:09,124 INFO L138 Inliner]: procedures = 610, calls = 24868, calls flagged for inlining = 207, calls inlined = 198, statements flattened = 32449 [2023-12-02 12:28:09,124 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 12:28:09,125 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 12:28:09,125 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 12:28:09,125 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 12:28:09,136 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:28:06" (1/1) ... [2023-12-02 12:28:09,136 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:28:06" (1/1) ... [2023-12-02 12:28:09,862 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:28:06" (1/1) ... [2023-12-02 12:28:09,863 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:28:06" (1/1) ... [2023-12-02 12:28:12,323 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:28:06" (1/1) ... [2023-12-02 12:28:12,385 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:28:06" (1/1) ... [2023-12-02 12:28:12,541 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:28:06" (1/1) ... [2023-12-02 12:28:12,594 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:28:06" (1/1) ... [2023-12-02 12:28:12,786 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 12:28:12,787 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 12:28:12,787 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 12:28:12,788 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 12:28:12,789 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:28:06" (1/1) ... [2023-12-02 12:28:12,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 12:28:12,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8f4a8fa-a37e-4332-83e5-cd438fa96fd0/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 12:28:12,818 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8f4a8fa-a37e-4332-83e5-cd438fa96fd0/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 12:28:12,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8f4a8fa-a37e-4332-83e5-cd438fa96fd0/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 12:28:12,858 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_streamoff [2023-12-02 12:28:12,859 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_streamoff [2023-12-02 12:28:12,859 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_init_extension [2023-12-02 12:28:12,859 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_init_extension [2023-12-02 12:28:12,859 INFO L130 BoogieDeclarations]: Found specification of procedure mc417_memory_write [2023-12-02 12:28:12,859 INFO L138 BoogieDeclarations]: Found implementation of procedure mc417_memory_write [2023-12-02 12:28:12,859 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2023-12-02 12:28:12,859 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2023-12-02 12:28:12,859 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_dif_configure_C2HH_for_low_IF [2023-12-02 12:28:12,860 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_dif_configure_C2HH_for_low_IF [2023-12-02 12:28:12,860 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_reqbufs [2023-12-02 12:28:12,860 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_reqbufs [2023-12-02 12:28:12,860 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2023-12-02 12:28:12,860 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2023-12-02 12:28:12,860 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_unmute_audio [2023-12-02 12:28:12,860 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_unmute_audio [2023-12-02 12:28:12,860 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_load_firmware [2023-12-02 12:28:12,860 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_load_firmware [2023-12-02 12:28:12,861 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_do_mode_ctrl_overrides [2023-12-02 12:28:12,861 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_do_mode_ctrl_overrides [2023-12-02 12:28:12,861 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_get_gpio_bit [2023-12-02 12:28:12,861 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_get_gpio_bit [2023-12-02 12:28:12,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-12-02 12:28:12,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-12-02 12:28:12,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-12-02 12:28:12,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-12-02 12:28:12,861 INFO L130 BoogieDeclarations]: Found specification of procedure vid_blk_write_word [2023-12-02 12:28:12,862 INFO L138 BoogieDeclarations]: Found implementation of procedure vid_blk_write_word [2023-12-02 12:28:12,862 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_mci_complete [2023-12-02 12:28:12,862 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_mci_complete [2023-12-02 12:28:12,862 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_set_audio_decoder_input [2023-12-02 12:28:12,862 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_set_audio_decoder_input [2023-12-02 12:28:12,863 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_device_unregister [2023-12-02 12:28:12,863 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_device_unregister [2023-12-02 12:28:12,863 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_fh_exit [2023-12-02 12:28:12,863 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_fh_exit [2023-12-02 12:28:12,863 INFO L130 BoogieDeclarations]: Found specification of procedure vbi_buffer_setup [2023-12-02 12:28:12,863 INFO L138 BoogieDeclarations]: Found implementation of procedure vbi_buffer_setup [2023-12-02 12:28:12,863 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-12-02 12:28:12,864 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-12-02 12:28:12,864 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_find_boundary_SAV_EAV [2023-12-02 12:28:12,864 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_find_boundary_SAV_EAV [2023-12-02 12:28:12,864 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_dif_set_standard [2023-12-02 12:28:12,864 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_dif_set_standard [2023-12-02 12:28:12,864 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_read_ctrl_reg [2023-12-02 12:28:12,864 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_read_ctrl_reg [2023-12-02 12:28:12,865 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_send_gpio_cmd [2023-12-02 12:28:12,865 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_send_gpio_cmd [2023-12-02 12:28:12,865 INFO L130 BoogieDeclarations]: Found specification of procedure res_free [2023-12-02 12:28:12,865 INFO L138 BoogieDeclarations]: Found implementation of procedure res_free [2023-12-02 12:28:12,865 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_g_register [2023-12-02 12:28:12,865 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_g_register [2023-12-02 12:28:12,865 INFO L130 BoogieDeclarations]: Found specification of procedure set_itvc_reg [2023-12-02 12:28:12,866 INFO L138 BoogieDeclarations]: Found implementation of procedure set_itvc_reg [2023-12-02 12:28:12,866 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-12-02 12:28:12,866 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-12-02 12:28:12,866 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_set_gpio_bit [2023-12-02 12:28:12,866 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_set_gpio_bit [2023-12-02 12:28:12,866 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_dev_uninit [2023-12-02 12:28:12,866 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_dev_uninit [2023-12-02 12:28:12,867 INFO L130 BoogieDeclarations]: Found specification of procedure free_buffer [2023-12-02 12:28:12,867 INFO L138 BoogieDeclarations]: Found implementation of procedure free_buffer [2023-12-02 12:28:12,867 INFO L130 BoogieDeclarations]: Found specification of procedure uninitGPIO [2023-12-02 12:28:12,867 INFO L138 BoogieDeclarations]: Found implementation of procedure uninitGPIO [2023-12-02 12:28:12,867 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_gpio_set [2023-12-02 12:28:12,867 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_gpio_set [2023-12-02 12:28:12,867 INFO L130 BoogieDeclarations]: Found specification of procedure __request_module [2023-12-02 12:28:12,867 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_module [2023-12-02 12:28:12,867 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-02 12:28:12,868 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2023-12-02 12:28:12,868 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2023-12-02 12:28:12,868 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_free [2023-12-02 12:28:12,868 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_free [2023-12-02 12:28:12,868 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_to_vmalloc [2023-12-02 12:28:12,868 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_to_vmalloc [2023-12-02 12:28:12,868 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-12-02 12:28:12,869 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-12-02 12:28:12,869 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2023-12-02 12:28:12,869 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2023-12-02 12:28:12,869 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_fh_init [2023-12-02 12:28:12,869 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_fh_init [2023-12-02 12:28:12,869 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2023-12-02 12:28:12,869 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2023-12-02 12:28:12,869 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_poll [2023-12-02 12:28:12,870 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_poll [2023-12-02 12:28:12,870 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-12-02 12:28:12,870 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-12-02 12:28:12,870 INFO L130 BoogieDeclarations]: Found specification of procedure video_devdata [2023-12-02 12:28:12,870 INFO L138 BoogieDeclarations]: Found implementation of procedure video_devdata [2023-12-02 12:28:12,870 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_enum_input [2023-12-02 12:28:12,870 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_enum_input [2023-12-02 12:28:12,870 INFO L130 BoogieDeclarations]: Found specification of procedure vid_blk_read_word [2023-12-02 12:28:12,871 INFO L138 BoogieDeclarations]: Found implementation of procedure vid_blk_read_word [2023-12-02 12:28:12,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 12:28:12,871 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_i2s_blk_set_audio_input [2023-12-02 12:28:12,871 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_i2s_blk_set_audio_input [2023-12-02 12:28:12,871 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_dqbuf [2023-12-02 12:28:12,871 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_dqbuf [2023-12-02 12:28:12,871 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_config_tuner [2023-12-02 12:28:12,871 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_config_tuner [2023-12-02 12:28:12,871 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_reg_mask_write [2023-12-02 12:28:12,871 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_reg_mask_write [2023-12-02 12:28:12,872 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-12-02 12:28:12,872 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-12-02 12:28:12,872 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-12-02 12:28:12,872 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-12-02 12:28:12,872 INFO L130 BoogieDeclarations]: Found specification of procedure is_fw_load [2023-12-02 12:28:12,872 INFO L138 BoogieDeclarations]: Found implementation of procedure is_fw_load [2023-12-02 12:28:12,872 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_afe_setup_AFE_for_baseband [2023-12-02 12:28:12,872 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_afe_setup_AFE_for_baseband [2023-12-02 12:28:12,873 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_set_field [2023-12-02 12:28:12,873 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_set_field [2023-12-02 12:28:12,873 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~v4l2_std_id~0~TO~int [2023-12-02 12:28:12,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~v4l2_std_id~0~TO~int [2023-12-02 12:28:12,873 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_add_handler [2023-12-02 12:28:12,873 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_add_handler [2023-12-02 12:28:12,873 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_gpio_i2c_start [2023-12-02 12:28:12,874 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_gpio_i2c_start [2023-12-02 12:28:12,874 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_ir_exit [2023-12-02 12:28:12,874 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_ir_exit [2023-12-02 12:28:12,874 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_try_fmt_vid_cap [2023-12-02 12:28:12,874 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_try_fmt_vid_cap [2023-12-02 12:28:12,874 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_config_i2c [2023-12-02 12:28:12,874 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_config_i2c [2023-12-02 12:28:12,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-12-02 12:28:12,875 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_card_setup [2023-12-02 12:28:12,875 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_card_setup [2023-12-02 12:28:12,875 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_Setup_AFE_for_LowIF [2023-12-02 12:28:12,875 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_Setup_AFE_for_LowIF [2023-12-02 12:28:12,875 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_mode_register [2023-12-02 12:28:12,875 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_mode_register [2023-12-02 12:28:12,875 INFO L130 BoogieDeclarations]: Found specification of procedure free_buffer___0 [2023-12-02 12:28:12,875 INFO L138 BoogieDeclarations]: Found implementation of procedure free_buffer___0 [2023-12-02 12:28:12,876 INFO L130 BoogieDeclarations]: Found specification of procedure free_buffer___1 [2023-12-02 12:28:12,876 INFO L138 BoogieDeclarations]: Found implementation of procedure free_buffer___1 [2023-12-02 12:28:12,876 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-12-02 12:28:12,876 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-12-02 12:28:12,876 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-12-02 12:28:12,876 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-12-02 12:28:12,876 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2023-12-02 12:28:12,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2023-12-02 12:28:12,877 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_i2s_blk_initialize [2023-12-02 12:28:12,877 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_i2s_blk_initialize [2023-12-02 12:28:12,877 INFO L130 BoogieDeclarations]: Found specification of procedure video_ioctl2 [2023-12-02 12:28:12,877 INFO L138 BoogieDeclarations]: Found implementation of procedure video_ioctl2 [2023-12-02 12:28:12,877 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_417_unregister [2023-12-02 12:28:12,877 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_417_unregister [2023-12-02 12:28:12,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-12-02 12:28:12,877 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_qbuf [2023-12-02 12:28:12,877 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_qbuf [2023-12-02 12:28:12,877 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_try_fmt_vid_cap___0 [2023-12-02 12:28:12,878 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_try_fmt_vid_cap___0 [2023-12-02 12:28:12,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 12:28:12,878 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_gpio_i2c_read_ack [2023-12-02 12:28:12,878 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_gpio_i2c_read_ack [2023-12-02 12:28:12,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-12-02 12:28:12,878 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-12-02 12:28:12,878 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_gpio_i2c_end [2023-12-02 12:28:12,878 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_gpio_i2c_end [2023-12-02 12:28:12,878 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_register_extension [2023-12-02 12:28:12,878 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_register_extension [2023-12-02 12:28:12,879 INFO L130 BoogieDeclarations]: Found specification of procedure bb_buf_setup [2023-12-02 12:28:12,879 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_buf_setup [2023-12-02 12:28:12,879 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2023-12-02 12:28:12,879 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2023-12-02 12:28:12,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-12-02 12:28:12,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-12-02 12:28:12,879 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_v4l2_poll [2023-12-02 12:28:12,879 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_v4l2_poll [2023-12-02 12:28:12,879 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_disable_ioctl [2023-12-02 12:28:12,879 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_disable_ioctl [2023-12-02 12:28:12,879 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-12-02 12:28:12,880 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-12-02 12:28:12,880 INFO L130 BoogieDeclarations]: Found specification of procedure mc417_register_read [2023-12-02 12:28:12,880 INFO L138 BoogieDeclarations]: Found implementation of procedure mc417_register_read [2023-12-02 12:28:12,880 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_set_agc_analog_digital_mux_select [2023-12-02 12:28:12,880 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_set_agc_analog_digital_mux_select [2023-12-02 12:28:12,880 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-12-02 12:28:12,880 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-12-02 12:28:12,880 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_afe_init_channels [2023-12-02 12:28:12,880 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_afe_init_channels [2023-12-02 12:28:12,880 INFO L130 BoogieDeclarations]: Found specification of procedure cx2341x_handler_set_50hz [2023-12-02 12:28:12,880 INFO L138 BoogieDeclarations]: Found implementation of procedure cx2341x_handler_set_50hz [2023-12-02 12:28:12,881 INFO L130 BoogieDeclarations]: Found specification of procedure video_is_registered [2023-12-02 12:28:12,881 INFO L138 BoogieDeclarations]: Found implementation of procedure video_is_registered [2023-12-02 12:28:12,881 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_subscribe_event [2023-12-02 12:28:12,881 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_subscribe_event [2023-12-02 12:28:12,881 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_set_gpio_direction [2023-12-02 12:28:12,881 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_set_gpio_direction [2023-12-02 12:28:12,881 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_uninit_bulk [2023-12-02 12:28:12,881 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_uninit_bulk [2023-12-02 12:28:12,881 INFO L130 BoogieDeclarations]: Found specification of procedure video_unregister_device [2023-12-02 12:28:12,881 INFO L138 BoogieDeclarations]: Found implementation of procedure video_unregister_device [2023-12-02 12:28:12,881 INFO L130 BoogieDeclarations]: Found specification of procedure mc417_register_write [2023-12-02 12:28:12,882 INFO L138 BoogieDeclarations]: Found implementation of procedure mc417_register_write [2023-12-02 12:28:12,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 12:28:12,882 INFO L130 BoogieDeclarations]: Found specification of procedure __usb_control_msg [2023-12-02 12:28:12,882 INFO L138 BoogieDeclarations]: Found implementation of procedure __usb_control_msg [2023-12-02 12:28:12,882 INFO L130 BoogieDeclarations]: Found specification of procedure video_mux [2023-12-02 12:28:12,882 INFO L138 BoogieDeclarations]: Found implementation of procedure video_mux [2023-12-02 12:28:12,882 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_set_mode [2023-12-02 12:28:12,882 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_set_mode [2023-12-02 12:28:12,882 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_set_gpio_value [2023-12-02 12:28:12,882 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_set_gpio_value [2023-12-02 12:28:12,882 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_release_analog_resources [2023-12-02 12:28:12,883 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_release_analog_resources [2023-12-02 12:28:12,883 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_try_fmt_vbi_cap [2023-12-02 12:28:12,883 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_try_fmt_vbi_cap [2023-12-02 12:28:12,883 INFO L130 BoogieDeclarations]: Found specification of procedure restartAudioFirmware [2023-12-02 12:28:12,883 INFO L138 BoogieDeclarations]: Found implementation of procedure restartAudioFirmware [2023-12-02 12:28:12,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 12:28:12,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 12:28:12,883 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-12-02 12:28:12,883 INFO L130 BoogieDeclarations]: Found specification of procedure mpeg_poll [2023-12-02 12:28:12,883 INFO L138 BoogieDeclarations]: Found implementation of procedure mpeg_poll [2023-12-02 12:28:12,883 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-12-02 12:28:12,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-12-02 12:28:12,884 INFO L130 BoogieDeclarations]: Found specification of procedure buffer_queue [2023-12-02 12:28:12,884 INFO L138 BoogieDeclarations]: Found implementation of procedure buffer_queue [2023-12-02 12:28:12,884 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_set_model [2023-12-02 12:28:12,884 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_set_model [2023-12-02 12:28:12,884 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2023-12-02 12:28:12,884 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2023-12-02 12:28:12,884 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_streamon [2023-12-02 12:28:12,884 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_streamon [2023-12-02 12:28:12,884 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_release_resources [2023-12-02 12:28:12,884 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_release_resources [2023-12-02 12:28:12,884 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_dev_init [2023-12-02 12:28:12,885 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_dev_init [2023-12-02 12:28:12,885 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_iolock [2023-12-02 12:28:12,885 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_iolock [2023-12-02 12:28:12,885 INFO L130 BoogieDeclarations]: Found specification of procedure video_set_drvdata [2023-12-02 12:28:12,885 INFO L138 BoogieDeclarations]: Found implementation of procedure video_set_drvdata [2023-12-02 12:28:12,885 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_init_dev [2023-12-02 12:28:12,885 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_init_dev [2023-12-02 12:28:12,885 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_master_recv [2023-12-02 12:28:12,885 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_master_recv [2023-12-02 12:28:12,885 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_uninit_isoc [2023-12-02 12:28:12,885 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_uninit_isoc [2023-12-02 12:28:12,885 INFO L130 BoogieDeclarations]: Found specification of procedure format_by_fourcc [2023-12-02 12:28:12,886 INFO L138 BoogieDeclarations]: Found implementation of procedure format_by_fourcc [2023-12-02 12:28:12,886 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_get_timestamp [2023-12-02 12:28:12,886 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_get_timestamp [2023-12-02 12:28:12,886 INFO L130 BoogieDeclarations]: Found specification of procedure vbi_buffer_queue [2023-12-02 12:28:12,886 INFO L138 BoogieDeclarations]: Found implementation of procedure vbi_buffer_queue [2023-12-02 12:28:12,886 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-12-02 12:28:12,886 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-12-02 12:28:12,886 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-12-02 12:28:12,886 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-12-02 12:28:12,887 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_event_unsubscribe [2023-12-02 12:28:12,887 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_event_unsubscribe [2023-12-02 12:28:12,887 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_i2s_blk_update_power_control [2023-12-02 12:28:12,887 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_i2s_blk_update_power_control [2023-12-02 12:28:12,887 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_init_class [2023-12-02 12:28:12,888 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_init_class [2023-12-02 12:28:12,888 INFO L130 BoogieDeclarations]: Found specification of procedure poll_requested_events [2023-12-02 12:28:12,888 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_requested_events [2023-12-02 12:28:12,888 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2023-12-02 12:28:12,888 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2023-12-02 12:28:12,888 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_i2c_register [2023-12-02 12:28:12,888 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_i2c_register [2023-12-02 12:28:12,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 12:28:12,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 12:28:12,889 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_afe_init_super_block [2023-12-02 12:28:12,889 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_afe_init_super_block [2023-12-02 12:28:12,889 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_alloc [2023-12-02 12:28:12,889 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_alloc [2023-12-02 12:28:12,889 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_read_i2c_data [2023-12-02 12:28:12,889 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_read_i2c_data [2023-12-02 12:28:12,889 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2023-12-02 12:28:12,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-12-02 12:28:12,890 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-12-02 12:28:12,890 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-12-02 12:28:12,890 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-12-02 12:28:12,890 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_i2c_new_subdev [2023-12-02 12:28:12,890 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_i2c_new_subdev [2023-12-02 12:28:12,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-12-02 12:28:12,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-12-02 12:28:12,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-12-02 12:28:12,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-12-02 12:28:12,891 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2023-12-02 12:28:12,891 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2023-12-02 12:28:12,891 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_querycap [2023-12-02 12:28:12,891 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_querycap [2023-12-02 12:28:12,891 INFO L130 BoogieDeclarations]: Found specification of procedure stopAudioFirmware [2023-12-02 12:28:12,891 INFO L138 BoogieDeclarations]: Found implementation of procedure stopAudioFirmware [2023-12-02 12:28:12,891 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_enable656 [2023-12-02 12:28:12,891 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_enable656 [2023-12-02 12:28:12,892 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_g_input [2023-12-02 12:28:12,892 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_g_input [2023-12-02 12:28:12,892 INFO L130 BoogieDeclarations]: Found specification of procedure bb_buf_queue [2023-12-02 12:28:12,892 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_buf_queue [2023-12-02 12:28:12,892 INFO L130 BoogieDeclarations]: Found specification of procedure cmd_to_str [2023-12-02 12:28:12,892 INFO L138 BoogieDeclarations]: Found implementation of procedure cmd_to_str [2023-12-02 12:28:12,892 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_check_fw [2023-12-02 12:28:12,892 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_check_fw [2023-12-02 12:28:12,892 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_i2c_unregister [2023-12-02 12:28:12,893 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_i2c_unregister [2023-12-02 12:28:12,893 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_mmap_mapper [2023-12-02 12:28:12,893 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_mmap_mapper [2023-12-02 12:28:12,893 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_release [2023-12-02 12:28:12,893 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_release [2023-12-02 12:28:12,893 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2023-12-02 12:28:12,893 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2023-12-02 12:28:12,893 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-12-02 12:28:12,893 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-12-02 12:28:12,894 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2023-12-02 12:28:12,894 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2023-12-02 12:28:12,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-12-02 12:28:12,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-12-02 12:28:12,894 INFO L130 BoogieDeclarations]: Found specification of procedure res_get [2023-12-02 12:28:12,894 INFO L138 BoogieDeclarations]: Found implementation of procedure res_get [2023-12-02 12:28:12,894 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_mmap_free [2023-12-02 12:28:12,894 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_mmap_free [2023-12-02 12:28:12,894 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_s_input [2023-12-02 12:28:12,894 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_s_input [2023-12-02 12:28:12,894 INFO L130 BoogieDeclarations]: Found specification of procedure vid_blk_write_byte [2023-12-02 12:28:12,895 INFO L138 BoogieDeclarations]: Found implementation of procedure vid_blk_write_byte [2023-12-02 12:28:12,895 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2023-12-02 12:28:12,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2023-12-02 12:28:12,895 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-12-02 12:28:12,895 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-12-02 12:28:12,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-02 12:28:12,895 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-02 12:28:12,895 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 12:28:12,895 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 12:28:12,895 INFO L130 BoogieDeclarations]: Found specification of procedure video_drvdata [2023-12-02 12:28:12,895 INFO L138 BoogieDeclarations]: Found implementation of procedure video_drvdata [2023-12-02 12:28:12,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_va_arg [2023-12-02 12:28:12,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_va_arg [2023-12-02 12:28:12,896 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_pre_card_setup [2023-12-02 12:28:12,896 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_pre_card_setup [2023-12-02 12:28:12,896 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2023-12-02 12:28:12,896 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2023-12-02 12:28:12,896 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_s_register [2023-12-02 12:28:12,896 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_s_register [2023-12-02 12:28:12,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 12:28:12,896 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_get_vbi_line [2023-12-02 12:28:12,896 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_get_vbi_line [2023-12-02 12:28:12,896 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-12-02 12:28:12,897 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-12-02 12:28:12,897 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2023-12-02 12:28:12,897 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2023-12-02 12:28:12,897 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_read_stream [2023-12-02 12:28:12,897 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_read_stream [2023-12-02 12:28:12,897 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_config [2023-12-02 12:28:12,897 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_config [2023-12-02 12:28:12,897 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_s_video_encoding [2023-12-02 12:28:12,897 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_s_video_encoding [2023-12-02 12:28:12,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 12:28:12,897 INFO L130 BoogieDeclarations]: Found specification of procedure vid_blk_read_byte [2023-12-02 12:28:12,898 INFO L138 BoogieDeclarations]: Found implementation of procedure vid_blk_read_byte [2023-12-02 12:28:12,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-12-02 12:28:12,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-12-02 12:28:12,898 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_enable_i2c_port_3 [2023-12-02 12:28:12,898 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_enable_i2c_port_3 [2023-12-02 12:28:12,898 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2023-12-02 12:28:12,898 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2023-12-02 12:28:12,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-02 12:28:12,898 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-12-02 12:28:12,898 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-12-02 12:28:12,898 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_node_name [2023-12-02 12:28:12,899 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_node_name [2023-12-02 12:28:12,899 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_gpio_i2c_write_byte [2023-12-02 12:28:12,899 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_gpio_i2c_write_byte [2023-12-02 12:28:12,899 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_afe_adjust_ref_count [2023-12-02 12:28:12,899 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_afe_adjust_ref_count [2023-12-02 12:28:12,899 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2023-12-02 12:28:12,899 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2023-12-02 12:28:12,899 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-12-02 12:28:12,899 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-12-02 12:28:12,900 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_write_i2c_data [2023-12-02 12:28:12,900 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_write_i2c_data [2023-12-02 12:28:12,900 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_init_bulk [2023-12-02 12:28:12,900 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_init_bulk [2023-12-02 12:28:12,900 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-12-02 12:28:12,900 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-12-02 12:28:12,900 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_stop [2023-12-02 12:28:12,900 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_stop [2023-12-02 12:28:12,901 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2023-12-02 12:28:12,901 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2023-12-02 12:28:12,901 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_g_tuner [2023-12-02 12:28:12,901 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_g_tuner [2023-12-02 12:28:12,901 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_reset_vbi_buffer [2023-12-02 12:28:12,901 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_reset_vbi_buffer [2023-12-02 12:28:12,901 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2023-12-02 12:28:12,901 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2023-12-02 12:28:12,901 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_s_tuner [2023-12-02 12:28:12,902 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_s_tuner [2023-12-02 12:28:12,902 INFO L130 BoogieDeclarations]: Found specification of procedure afe_read_byte [2023-12-02 12:28:12,902 INFO L138 BoogieDeclarations]: Found implementation of procedure afe_read_byte [2023-12-02 12:28:12,902 INFO L130 BoogieDeclarations]: Found specification of procedure buffer_copy [2023-12-02 12:28:12,902 INFO L138 BoogieDeclarations]: Found implementation of procedure buffer_copy [2023-12-02 12:28:12,902 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2023-12-02 12:28:12,902 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2023-12-02 12:28:12,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-12-02 12:28:12,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-12-02 12:28:12,903 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_v4l2_close [2023-12-02 12:28:12,903 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_v4l2_close [2023-12-02 12:28:12,903 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_initialize_codec [2023-12-02 12:28:12,903 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_initialize_codec [2023-12-02 12:28:12,903 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-12-02 12:28:12,903 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-12-02 12:28:12,903 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_vmalloc_free [2023-12-02 12:28:12,904 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_vmalloc_free [2023-12-02 12:28:12,904 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_set_audio_input [2023-12-02 12:28:12,904 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_set_audio_input [2023-12-02 12:28:12,904 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_set_video_input_mux [2023-12-02 12:28:12,904 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_set_video_input_mux [2023-12-02 12:28:12,904 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_poll_stream [2023-12-02 12:28:12,904 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_poll_stream [2023-12-02 12:28:12,904 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_capture_start [2023-12-02 12:28:12,904 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_capture_start [2023-12-02 12:28:12,905 INFO L130 BoogieDeclarations]: Found specification of procedure video_register_device [2023-12-02 12:28:12,905 INFO L138 BoogieDeclarations]: Found implementation of procedure video_register_device [2023-12-02 12:28:12,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2023-12-02 12:28:12,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2023-12-02 12:28:12,905 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_init_ctrl_pin_status [2023-12-02 12:28:12,905 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_init_ctrl_pin_status [2023-12-02 12:28:12,905 INFO L130 BoogieDeclarations]: Found specification of procedure initGPIO [2023-12-02 12:28:12,905 INFO L138 BoogieDeclarations]: Found implementation of procedure initGPIO [2023-12-02 12:28:12,905 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_queue_is_busy [2023-12-02 12:28:12,906 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_queue_is_busy [2023-12-02 12:28:12,906 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-12-02 12:28:12,906 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-12-02 12:28:12,906 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_querybuf [2023-12-02 12:28:12,906 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_querybuf [2023-12-02 12:28:12,906 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_cmpxchg [2023-12-02 12:28:12,906 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_cmpxchg [2023-12-02 12:28:12,906 INFO L130 BoogieDeclarations]: Found specification of procedure mc417_memory_read [2023-12-02 12:28:12,906 INFO L138 BoogieDeclarations]: Found implementation of procedure mc417_memory_read [2023-12-02 12:28:12,907 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_init_isoc [2023-12-02 12:28:12,907 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_init_isoc [2023-12-02 12:28:12,907 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-12-02 12:28:12,907 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-12-02 12:28:12,907 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_usb_probe [2023-12-02 12:28:12,907 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_usb_probe [2023-12-02 12:28:12,907 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_afe_set_input_mux [2023-12-02 12:28:12,907 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_afe_set_input_mux [2023-12-02 12:28:12,907 INFO L130 BoogieDeclarations]: Found specification of procedure verve_read_byte [2023-12-02 12:28:12,907 INFO L138 BoogieDeclarations]: Found implementation of procedure verve_read_byte [2023-12-02 12:28:12,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 12:28:12,908 INFO L130 BoogieDeclarations]: Found specification of procedure is_tuner [2023-12-02 12:28:12,908 INFO L138 BoogieDeclarations]: Found implementation of procedure is_tuner [2023-12-02 12:28:12,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-12-02 12:28:12,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-12-02 12:28:12,908 INFO L130 BoogieDeclarations]: Found specification of procedure afe_write_byte [2023-12-02 12:28:12,908 INFO L138 BoogieDeclarations]: Found implementation of procedure afe_write_byte [2023-12-02 12:28:12,908 INFO L130 BoogieDeclarations]: Found specification of procedure mpeg_open [2023-12-02 12:28:12,908 INFO L138 BoogieDeclarations]: Found implementation of procedure mpeg_open [2023-12-02 12:28:12,908 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_fh_add [2023-12-02 12:28:12,908 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_fh_add [2023-12-02 12:28:12,908 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_set_decoder_video_input [2023-12-02 12:28:12,908 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_set_decoder_video_input [2023-12-02 12:28:12,909 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_uninit_vbi_isoc [2023-12-02 12:28:12,909 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_uninit_vbi_isoc [2023-12-02 12:28:12,909 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_v4l2_mmap [2023-12-02 12:28:12,909 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_v4l2_mmap [2023-12-02 12:28:12,909 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_set_alt_setting [2023-12-02 12:28:12,909 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_set_alt_setting [2023-12-02 12:28:12,909 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2023-12-02 12:28:12,909 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2023-12-02 12:28:12,909 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_afe_update_power_control [2023-12-02 12:28:12,909 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_afe_update_power_control [2023-12-02 12:28:12,909 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_read_modify_write_i2c_dword [2023-12-02 12:28:12,909 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_read_modify_write_i2c_dword [2023-12-02 12:28:12,909 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_event_pending [2023-12-02 12:28:12,910 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_event_pending [2023-12-02 12:28:12,910 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_close_extension [2023-12-02 12:28:12,910 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_close_extension [2023-12-02 12:28:12,910 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_write_ctrl_reg [2023-12-02 12:28:12,910 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_write_ctrl_reg [2023-12-02 12:28:12,910 INFO L130 BoogieDeclarations]: Found specification of procedure mpeg_release [2023-12-02 12:28:12,910 INFO L138 BoogieDeclarations]: Found implementation of procedure mpeg_release [2023-12-02 12:28:12,910 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_log_status [2023-12-02 12:28:12,910 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_log_status [2023-12-02 12:28:12,910 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_register_analog_devices [2023-12-02 12:28:12,910 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_register_analog_devices [2023-12-02 12:28:12,910 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_send_vendor_cmd [2023-12-02 12:28:12,911 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_send_vendor_cmd [2023-12-02 12:28:12,911 INFO L130 BoogieDeclarations]: Found specification of procedure check_dev [2023-12-02 12:28:12,911 INFO L138 BoogieDeclarations]: Found implementation of procedure check_dev [2023-12-02 12:28:12,911 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_g_chip_info [2023-12-02 12:28:12,911 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_g_chip_info [2023-12-02 12:28:12,911 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2023-12-02 12:28:12,911 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2023-12-02 12:28:12,911 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-12-02 12:28:12,911 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-12-02 12:28:12,911 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_s_audio_sampling_freq [2023-12-02 12:28:12,911 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_s_audio_sampling_freq [2023-12-02 12:28:12,911 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_s_frequency [2023-12-02 12:28:12,912 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_s_frequency [2023-12-02 12:28:12,912 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_afe_set_mode [2023-12-02 12:28:12,912 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_afe_set_mode [2023-12-02 12:28:12,912 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_queue_vmalloc_init [2023-12-02 12:28:12,912 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_queue_vmalloc_init [2023-12-02 12:28:12,912 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~X~~u8~0~TO~int [2023-12-02 12:28:12,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~X~~u8~0~TO~int [2023-12-02 12:28:12,912 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_disable656 [2023-12-02 12:28:12,912 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_disable656 [2023-12-02 12:28:12,912 INFO L130 BoogieDeclarations]: Found specification of procedure buffer_setup [2023-12-02 12:28:12,912 INFO L138 BoogieDeclarations]: Found implementation of procedure buffer_setup [2023-12-02 12:28:12,912 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2023-12-02 12:28:12,912 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2023-12-02 12:28:12,913 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_remove_from_devlist [2023-12-02 12:28:12,913 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_remove_from_devlist [2023-12-02 12:28:12,913 INFO L130 BoogieDeclarations]: Found specification of procedure get_itvc_reg [2023-12-02 12:28:12,913 INFO L138 BoogieDeclarations]: Found implementation of procedure get_itvc_reg [2023-12-02 12:28:12,913 INFO L130 BoogieDeclarations]: Found specification of procedure print_err_status [2023-12-02 12:28:12,913 INFO L138 BoogieDeclarations]: Found implementation of procedure print_err_status [2023-12-02 12:28:12,913 INFO L130 BoogieDeclarations]: Found specification of procedure norm_maxw [2023-12-02 12:28:12,913 INFO L138 BoogieDeclarations]: Found implementation of procedure norm_maxw [2023-12-02 12:28:12,913 INFO L130 BoogieDeclarations]: Found specification of procedure verve_write_byte [2023-12-02 12:28:12,914 INFO L138 BoogieDeclarations]: Found implementation of procedure verve_write_byte [2023-12-02 12:28:12,914 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_find_next_SAV_EAV [2023-12-02 12:28:12,914 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_find_next_SAV_EAV [2023-12-02 12:28:12,914 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_set_power_mode [2023-12-02 12:28:12,914 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_set_power_mode [2023-12-02 12:28:12,914 INFO L130 BoogieDeclarations]: Found specification of procedure norm_maxh [2023-12-02 12:28:12,914 INFO L138 BoogieDeclarations]: Found implementation of procedure norm_maxh [2023-12-02 12:28:12,914 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-12-02 12:28:12,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-12-02 12:28:12,915 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_api_cmd [2023-12-02 12:28:12,915 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_api_cmd [2023-12-02 12:28:12,915 INFO L130 BoogieDeclarations]: Found specification of procedure mpeg_mmap [2023-12-02 12:28:12,915 INFO L138 BoogieDeclarations]: Found implementation of procedure mpeg_mmap [2023-12-02 12:28:12,915 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_close [2023-12-02 12:28:12,915 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_close [2023-12-02 12:28:12,915 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_g_frequency [2023-12-02 12:28:12,915 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_g_frequency [2023-12-02 12:28:12,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 12:28:12,916 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_vdev_init [2023-12-02 12:28:12,916 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_vdev_init [2023-12-02 12:28:12,916 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_get_video_line [2023-12-02 12:28:12,916 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_get_video_line [2023-12-02 12:28:12,916 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_v4l2_open [2023-12-02 12:28:12,916 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_v4l2_open [2023-12-02 12:28:12,916 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_fh_del [2023-12-02 12:28:12,916 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_fh_del [2023-12-02 12:28:12,916 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2023-12-02 12:28:12,917 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2023-12-02 12:28:14,912 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 12:28:14,917 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 12:28:15,394 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-12-02 12:30:17,979 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 12:30:36,009 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 12:30:36,009 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-12-02 12:30:36,013 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:30:36 BoogieIcfgContainer [2023-12-02 12:30:36,014 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 12:30:36,016 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 12:30:36,016 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 12:30:36,020 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 12:30:36,020 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:27:58" (1/3) ... [2023-12-02 12:30:36,021 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cdd585f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:30:36, skipping insertion in model container [2023-12-02 12:30:36,021 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:28:06" (2/3) ... [2023-12-02 12:30:36,021 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cdd585f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:30:36, skipping insertion in model container [2023-12-02 12:30:36,021 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:30:36" (3/3) ... [2023-12-02 12:30:36,022 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--media--usb--cx231xx--cx231xx.ko-entry_point.cil.out.i [2023-12-02 12:30:36,042 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 12:30:36,042 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 12:30:36,190 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 12:30:36,197 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;@7a12aa6d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 12:30:36,197 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 12:30:36,221 INFO L276 IsEmpty]: Start isEmpty. Operand has 5612 states, 3467 states have (on average 1.3077588693394866) internal successors, (4534), 3522 states have internal predecessors, (4534), 1884 states have call successors, (1884), 260 states have call predecessors, (1884), 259 states have return successors, (1869), 1865 states have call predecessors, (1869), 1869 states have call successors, (1869) [2023-12-02 12:30:36,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-02 12:30:36,234 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:30:36,234 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 12:30:36,235 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:30:36,240 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:30:36,240 INFO L85 PathProgramCache]: Analyzing trace with hash 1224617009, now seen corresponding path program 1 times [2023-12-02 12:30:36,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:30:36,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771285022] [2023-12-02 12:30:36,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:30:36,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:30:37,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:30:39,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 12:30:39,342 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:30:39,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771285022] [2023-12-02 12:30:39,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1771285022] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:30:39,343 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:30:39,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 12:30:39,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852867213] [2023-12-02 12:30:39,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:30:39,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 12:30:39,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:30:39,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 12:30:39,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 12:30:39,387 INFO L87 Difference]: Start difference. First operand has 5612 states, 3467 states have (on average 1.3077588693394866) internal successors, (4534), 3522 states have internal predecessors, (4534), 1884 states have call successors, (1884), 260 states have call predecessors, (1884), 259 states have return successors, (1869), 1865 states have call predecessors, (1869), 1869 states have call successors, (1869) Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-02 12:30:44,509 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:30:46,528 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:30:53,450 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:31:01,844 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:31:06,908 WARN L539 Checker$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 12:31:08,918 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:31:11,272 WARN L539 Checker$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 12:31:15,444 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:31:17,034 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:31:19,059 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:31:26,906 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:31:28,967 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:31:31,026 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:31:33,032 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:31:35,094 WARN L539 Checker$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 12:31:37,119 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:31:39,860 WARN L539 Checker$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 12:31:41,338 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 12:31:44,365 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:31:48,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:31:48,499 INFO L93 Difference]: Finished difference Result 16741 states and 25832 transitions. [2023-12-02 12:31:48,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 12:31:48,502 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2023-12-02 12:31:48,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:31:48,630 INFO L225 Difference]: With dead ends: 16741 [2023-12-02 12:31:48,630 INFO L226 Difference]: Without dead ends: 11087 [2023-12-02 12:31:48,715 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 12:31:48,719 INFO L413 NwaCegarLoop]: 8581 mSDtfsCounter, 8137 mSDsluCounter, 7530 mSDsCounter, 0 mSdLazyCounter, 1563 mSolverCounterSat, 4 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 66.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8137 SdHoareTripleChecker+Valid, 16111 SdHoareTripleChecker+Invalid, 1580 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1563 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 68.3s IncrementalHoareTripleChecker+Time [2023-12-02 12:31:48,720 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8137 Valid, 16111 Invalid, 1580 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 1563 Invalid, 13 Unknown, 0 Unchecked, 68.3s Time] [2023-12-02 12:31:48,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11087 states. [2023-12-02 12:31:49,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11087 to 11083. [2023-12-02 12:31:49,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11083 states, 6871 states have (on average 1.3019938873526415) internal successors, (8946), 6943 states have internal predecessors, (8946), 3695 states have call successors, (3695), 517 states have call predecessors, (3695), 516 states have return successors, (3693), 3686 states have call predecessors, (3693), 3693 states have call successors, (3693) [2023-12-02 12:31:49,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11083 states to 11083 states and 16334 transitions. [2023-12-02 12:31:49,964 INFO L78 Accepts]: Start accepts. Automaton has 11083 states and 16334 transitions. Word has length 25 [2023-12-02 12:31:49,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:31:49,964 INFO L495 AbstractCegarLoop]: Abstraction has 11083 states and 16334 transitions. [2023-12-02 12:31:49,965 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-02 12:31:49,965 INFO L276 IsEmpty]: Start isEmpty. Operand 11083 states and 16334 transitions. [2023-12-02 12:31:49,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 12:31:49,971 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:31:49,972 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 12:31:49,972 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 12:31:49,972 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:31:49,973 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:31:49,973 INFO L85 PathProgramCache]: Analyzing trace with hash 1655711770, now seen corresponding path program 1 times [2023-12-02 12:31:49,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:31:49,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466215144] [2023-12-02 12:31:49,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:31:49,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:31:51,086 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 12:31:51,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [45320937] [2023-12-02 12:31:51,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:31:51,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 12:31:51,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8f4a8fa-a37e-4332-83e5-cd438fa96fd0/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 12:31:51,088 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8f4a8fa-a37e-4332-83e5-cd438fa96fd0/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 12:31:51,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8f4a8fa-a37e-4332-83e5-cd438fa96fd0/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 12:31:57,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:31:57,669 INFO L262 TraceCheckSpWp]: Trace formula consists of 31538 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 12:31:57,696 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:31:57,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 12:31:57,895 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 12:31:57,895 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:31:57,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466215144] [2023-12-02 12:31:57,896 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 12:31:57,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [45320937] [2023-12-02 12:31:57,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [45320937] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:31:57,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:31:57,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 12:31:57,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013684463] [2023-12-02 12:31:57,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:31:57,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 12:31:57,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:31:57,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 12:31:57,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 12:31:57,898 INFO L87 Difference]: Start difference. First operand 11083 states and 16334 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-02 12:32:01,063 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:32:09,507 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:32:12,665 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:32:15,863 WARN L539 Checker$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 12:32:21,624 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:32:23,231 WARN L539 Checker$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 12:32:33,664 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:32:35,728 WARN L539 Checker$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 12:32:37,965 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:32:40,031 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:32:43,272 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:32:44,302 WARN L539 Checker$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 12:32:49,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:32:51,175 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 12:32:53,269 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 12:32:56,523 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:32:58,529 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:33:00,588 WARN L539 Checker$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 12:33:02,595 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:33:07,416 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 12:33:09,353 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 12:33:10,624 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:33:10,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:33:10,752 INFO L93 Difference]: Finished difference Result 33159 states and 48876 transitions. [2023-12-02 12:33:10,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 12:33:10,753 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 36 [2023-12-02 12:33:10,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:33:11,078 INFO L225 Difference]: With dead ends: 33159 [2023-12-02 12:33:11,078 INFO L226 Difference]: Without dead ends: 22079 [2023-12-02 12:33:11,143 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 34 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 12:33:11,144 INFO L413 NwaCegarLoop]: 7493 mSDtfsCounter, 8144 mSDsluCounter, 7487 mSDsCounter, 0 mSdLazyCounter, 1485 mSolverCounterSat, 3 mSolverCounterUnsat, 15 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 70.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8144 SdHoareTripleChecker+Valid, 14980 SdHoareTripleChecker+Invalid, 1503 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1485 IncrementalHoareTripleChecker+Invalid, 15 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 72.0s IncrementalHoareTripleChecker+Time [2023-12-02 12:33:11,144 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8144 Valid, 14980 Invalid, 1503 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 1485 Invalid, 15 Unknown, 0 Unchecked, 72.0s Time] [2023-12-02 12:33:11,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22079 states. [2023-12-02 12:33:12,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22079 to 22074. [2023-12-02 12:33:12,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22074 states, 13686 states have (on average 1.301914365044571) internal successors, (17818), 13830 states have internal predecessors, (17818), 7361 states have call successors, (7361), 1027 states have call predecessors, (7361), 1026 states have return successors, (7359), 7344 states have call predecessors, (7359), 7359 states have call successors, (7359) [2023-12-02 12:33:12,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22074 states to 22074 states and 32538 transitions. [2023-12-02 12:33:12,651 INFO L78 Accepts]: Start accepts. Automaton has 22074 states and 32538 transitions. Word has length 36 [2023-12-02 12:33:12,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:33:12,652 INFO L495 AbstractCegarLoop]: Abstraction has 22074 states and 32538 transitions. [2023-12-02 12:33:12,652 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-02 12:33:12,652 INFO L276 IsEmpty]: Start isEmpty. Operand 22074 states and 32538 transitions. [2023-12-02 12:33:12,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-02 12:33:12,656 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:33:12,657 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] [2023-12-02 12:33:12,735 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8f4a8fa-a37e-4332-83e5-cd438fa96fd0/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 12:33:12,857 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8f4a8fa-a37e-4332-83e5-cd438fa96fd0/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 12:33:12,858 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:33:12,858 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:33:12,858 INFO L85 PathProgramCache]: Analyzing trace with hash 1765971287, now seen corresponding path program 1 times [2023-12-02 12:33:12,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:33:12,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089877609] [2023-12-02 12:33:12,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:33:12,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:33:13,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:33:15,253 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 12:33:15,253 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:33:15,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089877609] [2023-12-02 12:33:15,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089877609] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:33:15,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:33:15,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 12:33:15,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551707123] [2023-12-02 12:33:15,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:33:15,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 12:33:15,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:33:15,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 12:33:15,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 12:33:15,256 INFO L87 Difference]: Start difference. First operand 22074 states and 32538 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-12-02 12:33:18,340 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:33:27,650 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:33:30,068 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:33:34,838 WARN L539 Checker$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 12:33:36,468 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:33:45,775 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:33:49,869 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:33:51,880 WARN L539 Checker$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 12:33:54,062 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:33:56,122 WARN L539 Checker$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 12:33:58,605 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:34:03,213 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:34:09,161 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:34:11,166 WARN L539 Checker$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 12:34:13,229 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:34:15,240 WARN L539 Checker$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 12:34:17,880 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:34:21,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:34:21,003 INFO L93 Difference]: Finished difference Result 65186 states and 96073 transitions. [2023-12-02 12:34:21,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 12:34:21,005 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 44 [2023-12-02 12:34:21,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:34:21,300 INFO L225 Difference]: With dead ends: 65186 [2023-12-02 12:34:21,300 INFO L226 Difference]: Without dead ends: 43115 [2023-12-02 12:34:21,383 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 12:34:21,384 INFO L413 NwaCegarLoop]: 7531 mSDtfsCounter, 7822 mSDsluCounter, 7490 mSDsCounter, 0 mSdLazyCounter, 1485 mSolverCounterSat, 2 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 62.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7822 SdHoareTripleChecker+Valid, 15021 SdHoareTripleChecker+Invalid, 1498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1485 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 64.2s IncrementalHoareTripleChecker+Time [2023-12-02 12:34:21,385 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7822 Valid, 15021 Invalid, 1498 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 1485 Invalid, 11 Unknown, 0 Unchecked, 64.2s Time] [2023-12-02 12:34:21,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43115 states. [2023-12-02 12:34:23,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43115 to 43110. [2023-12-02 12:34:24,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43110 states, 26689 states have (on average 1.3016973284873918) internal successors, (34741), 26977 states have internal predecessors, (34741), 14396 states have call successors, (14396), 2025 states have call predecessors, (14396), 2024 states have return successors, (14394), 14363 states have call predecessors, (14394), 14394 states have call successors, (14394) [2023-12-02 12:34:24,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43110 states to 43110 states and 63531 transitions. [2023-12-02 12:34:24,373 INFO L78 Accepts]: Start accepts. Automaton has 43110 states and 63531 transitions. Word has length 44 [2023-12-02 12:34:24,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:34:24,373 INFO L495 AbstractCegarLoop]: Abstraction has 43110 states and 63531 transitions. [2023-12-02 12:34:24,373 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-12-02 12:34:24,373 INFO L276 IsEmpty]: Start isEmpty. Operand 43110 states and 63531 transitions. [2023-12-02 12:34:24,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 12:34:24,377 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:34:24,378 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 12:34:24,378 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-02 12:34:24,378 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:34:24,379 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:34:24,379 INFO L85 PathProgramCache]: Analyzing trace with hash -643816610, now seen corresponding path program 1 times [2023-12-02 12:34:24,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:34:24,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990762654] [2023-12-02 12:34:24,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:34:24,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:34:25,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:34:26,404 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 12:34:26,405 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:34:26,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990762654] [2023-12-02 12:34:26,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990762654] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:34:26,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:34:26,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 12:34:26,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526425530] [2023-12-02 12:34:26,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:34:26,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 12:34:26,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:34:26,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 12:34:26,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 12:34:26,407 INFO L87 Difference]: Start difference. First operand 43110 states and 63531 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-02 12:34:30,314 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:34:35,374 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:34:38,137 WARN L539 Checker$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 12:34:41,455 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:34:43,505 WARN L539 Checker$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 12:34:50,729 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:34:52,792 WARN L539 Checker$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 12:34:56,524 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:34:57,584 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 12:35:00,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:35:00,533 INFO L93 Difference]: Finished difference Result 86217 states and 127058 transitions. [2023-12-02 12:35:00,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 12:35:00,534 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 49 [2023-12-02 12:35:00,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:35:00,841 INFO L225 Difference]: With dead ends: 86217 [2023-12-02 12:35:00,841 INFO L226 Difference]: Without dead ends: 43110 [2023-12-02 12:35:01,127 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 12:35:01,128 INFO L413 NwaCegarLoop]: 7495 mSDtfsCounter, 8235 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 739 mSolverCounterSat, 1 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8235 SdHoareTripleChecker+Valid, 7495 SdHoareTripleChecker+Invalid, 745 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 739 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.3s IncrementalHoareTripleChecker+Time [2023-12-02 12:35:01,129 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8235 Valid, 7495 Invalid, 745 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 739 Invalid, 5 Unknown, 0 Unchecked, 32.3s Time] [2023-12-02 12:35:01,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43110 states. [2023-12-02 12:35:03,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43110 to 43110. [2023-12-02 12:35:03,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43110 states, 26689 states have (on average 1.301547454007269) internal successors, (34737), 26977 states have internal predecessors, (34737), 14396 states have call successors, (14396), 2025 states have call predecessors, (14396), 2024 states have return successors, (14394), 14363 states have call predecessors, (14394), 14394 states have call successors, (14394) [2023-12-02 12:35:03,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43110 states to 43110 states and 63527 transitions. [2023-12-02 12:35:03,708 INFO L78 Accepts]: Start accepts. Automaton has 43110 states and 63527 transitions. Word has length 49 [2023-12-02 12:35:03,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:35:03,708 INFO L495 AbstractCegarLoop]: Abstraction has 43110 states and 63527 transitions. [2023-12-02 12:35:03,708 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-02 12:35:03,708 INFO L276 IsEmpty]: Start isEmpty. Operand 43110 states and 63527 transitions. [2023-12-02 12:35:03,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-02 12:35:03,712 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:35:03,712 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 12:35:03,712 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-02 12:35:03,712 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:35:03,713 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:35:03,713 INFO L85 PathProgramCache]: Analyzing trace with hash 1647728707, now seen corresponding path program 1 times [2023-12-02 12:35:03,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:35:03,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097929775] [2023-12-02 12:35:03,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:35:03,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:35:04,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:35:05,716 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 12:35:05,716 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:35:05,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097929775] [2023-12-02 12:35:05,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097929775] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:35:05,716 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:35:05,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 12:35:05,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167805840] [2023-12-02 12:35:05,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:35:05,717 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 12:35:05,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:35:05,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 12:35:05,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 12:35:05,718 INFO L87 Difference]: Start difference. First operand 43110 states and 63527 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 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 12:35:14,439 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:35:18,757 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:35:21,225 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:35:25,304 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:35:27,326 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:35:40,001 WARN L539 Checker$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 12:35:44,526 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:35:46,549 WARN L539 Checker$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 12:35:49,329 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:35:51,392 WARN L539 Checker$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 12:35:53,823 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:35:55,867 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:36:00,164 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:36:01,435 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:36:07,487 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:36:09,493 WARN L539 Checker$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 12:36:11,552 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:36:13,564 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:36:15,417 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:36:16,519 WARN L539 Checker$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 12:36:18,542 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 12:36:21,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:36:21,180 INFO L93 Difference]: Finished difference Result 129083 states and 190183 transitions. [2023-12-02 12:36:21,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 12:36:21,181 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 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 60 [2023-12-02 12:36:21,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:36:21,725 INFO L225 Difference]: With dead ends: 129083 [2023-12-02 12:36:21,725 INFO L226 Difference]: Without dead ends: 85976 [2023-12-02 12:36:21,860 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 12:36:21,861 INFO L413 NwaCegarLoop]: 7902 mSDtfsCounter, 8148 mSDsluCounter, 7475 mSDsCounter, 0 mSdLazyCounter, 1560 mSolverCounterSat, 2 mSolverCounterUnsat, 14 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 70.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8148 SdHoareTripleChecker+Valid, 15377 SdHoareTripleChecker+Invalid, 1576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1560 IncrementalHoareTripleChecker+Invalid, 14 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 72.2s IncrementalHoareTripleChecker+Time [2023-12-02 12:36:21,861 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8148 Valid, 15377 Invalid, 1576 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 1560 Invalid, 14 Unknown, 0 Unchecked, 72.2s Time] [2023-12-02 12:36:21,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85976 states. [2023-12-02 12:36:27,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85976 to 85970. [2023-12-02 12:36:27,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85970 states, 53201 states have (on average 1.3008965996879758) internal successors, (69209), 53777 states have internal predecessors, (69209), 28720 states have call successors, (28720), 4049 states have call predecessors, (28720), 4048 states have return successors, (28718), 28655 states have call predecessors, (28718), 28718 states have call successors, (28718) [2023-12-02 12:36:27,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85970 states to 85970 states and 126647 transitions. [2023-12-02 12:36:27,769 INFO L78 Accepts]: Start accepts. Automaton has 85970 states and 126647 transitions. Word has length 60 [2023-12-02 12:36:27,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:36:27,769 INFO L495 AbstractCegarLoop]: Abstraction has 85970 states and 126647 transitions. [2023-12-02 12:36:27,769 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 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 12:36:27,769 INFO L276 IsEmpty]: Start isEmpty. Operand 85970 states and 126647 transitions. [2023-12-02 12:36:27,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-12-02 12:36:27,773 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:36:27,773 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-02 12:36:27,774 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-02 12:36:27,774 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:36:27,774 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:36:27,774 INFO L85 PathProgramCache]: Analyzing trace with hash 1751451463, now seen corresponding path program 1 times [2023-12-02 12:36:27,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:36:27,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433940673] [2023-12-02 12:36:27,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:36:27,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:36:28,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:36:29,021 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:36:29,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433940673] [2023-12-02 12:36:29,021 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-12-02 12:36:29,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [644735212] [2023-12-02 12:36:29,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:36:29,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 12:36:29,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8f4a8fa-a37e-4332-83e5-cd438fa96fd0/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 12:36:29,023 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8f4a8fa-a37e-4332-83e5-cd438fa96fd0/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 12:36:29,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8f4a8fa-a37e-4332-83e5-cd438fa96fd0/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-02 12:36:35,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:36:35,845 INFO L262 TraceCheckSpWp]: Trace formula consists of 31918 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 12:36:35,869 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:36:36,416 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 12:36:36,416 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 12:36:36,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [644735212] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:36:36,416 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:36:36,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 12:36:36,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067090118] [2023-12-02 12:36:36,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:36:36,417 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 12:36:36,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:36:36,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 12:36:36,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 12:36:36,418 INFO L87 Difference]: Start difference. First operand 85970 states and 126647 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2023-12-02 12:36:45,380 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:36:48,418 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:36:50,904 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:36:53,370 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:36:57,932 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:36:59,417 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:37:17,658 WARN L539 Checker$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 12:37:19,714 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:37:22,981 WARN L539 Checker$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 12:37:25,412 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:37:27,471 WARN L539 Checker$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 12:37:33,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:37:35,110 WARN L539 Checker$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 12:37:36,200 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 12:37:41,536 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:37:43,539 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:37:45,607 WARN L539 Checker$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 12:37:47,629 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:37:51,744 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:37:53,529 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 12:37:54,624 WARN L539 Checker$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 12:37:56,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:37:56,573 INFO L93 Difference]: Finished difference Result 256877 states and 378469 transitions. [2023-12-02 12:37:56,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 12:37:56,574 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 72 [2023-12-02 12:37:56,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:37:57,376 INFO L225 Difference]: With dead ends: 256877 [2023-12-02 12:37:57,376 INFO L226 Difference]: Without dead ends: 170910 [2023-12-02 12:37:57,848 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 70 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 12:37:57,849 INFO L413 NwaCegarLoop]: 7939 mSDtfsCounter, 8053 mSDsluCounter, 7475 mSDsCounter, 0 mSdLazyCounter, 1569 mSolverCounterSat, 7 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 71.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8053 SdHoareTripleChecker+Valid, 15414 SdHoareTripleChecker+Invalid, 1589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1569 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 73.7s IncrementalHoareTripleChecker+Time [2023-12-02 12:37:57,849 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8053 Valid, 15414 Invalid, 1589 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 1569 Invalid, 13 Unknown, 0 Unchecked, 73.7s Time] [2023-12-02 12:37:57,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170910 states. [2023-12-02 12:38:08,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170910 to 170882. [2023-12-02 12:38:08,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170882 states, 105785 states have (on average 1.3008366025428937) internal successors, (137609), 106937 states have internal predecessors, (137609), 57048 states have call successors, (57048), 8049 states have call predecessors, (57048), 8048 states have return successors, (57046), 56919 states have call predecessors, (57046), 57046 states have call successors, (57046) [2023-12-02 12:38:10,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170882 states to 170882 states and 251703 transitions. [2023-12-02 12:38:10,124 INFO L78 Accepts]: Start accepts. Automaton has 170882 states and 251703 transitions. Word has length 72 [2023-12-02 12:38:10,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:38:10,124 INFO L495 AbstractCegarLoop]: Abstraction has 170882 states and 251703 transitions. [2023-12-02 12:38:10,124 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2023-12-02 12:38:10,125 INFO L276 IsEmpty]: Start isEmpty. Operand 170882 states and 251703 transitions. [2023-12-02 12:38:10,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-12-02 12:38:10,130 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:38:10,130 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 12:38:10,208 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8f4a8fa-a37e-4332-83e5-cd438fa96fd0/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-12-02 12:38:10,330 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8f4a8fa-a37e-4332-83e5-cd438fa96fd0/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 12:38:10,331 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:38:10,331 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:38:10,331 INFO L85 PathProgramCache]: Analyzing trace with hash -923209182, now seen corresponding path program 1 times [2023-12-02 12:38:10,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:38:10,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225175835] [2023-12-02 12:38:10,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:38:10,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:38:11,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:38:12,347 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-12-02 12:38:12,347 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:38:12,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225175835] [2023-12-02 12:38:12,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1225175835] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:38:12,347 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:38:12,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 12:38:12,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299846935] [2023-12-02 12:38:12,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:38:12,348 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 12:38:12,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:38:12,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 12:38:12,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 12:38:12,350 INFO L87 Difference]: Start difference. First operand 170882 states and 251703 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-12-02 12:38:20,163 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:38:24,958 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:38:27,524 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:38:31,856 WARN L539 Checker$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 12:38:45,094 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:38:53,259 WARN L539 Checker$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 12:38:55,277 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:38:58,764 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:39:01,782 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:39:03,842 WARN L539 Checker$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 12:39:14,311 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 12:39:17,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:39:19,603 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:39:21,607 WARN L539 Checker$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 12:39:23,667 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:39:25,682 WARN L539 Checker$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 12:39:29,415 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:39:34,897 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:39:35,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:39:35,261 INFO L93 Difference]: Finished difference Result 510721 states and 751981 transitions. [2023-12-02 12:39:35,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 12:39:35,262 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 83 [2023-12-02 12:39:35,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:39:37,270 INFO L225 Difference]: With dead ends: 510721 [2023-12-02 12:39:37,271 INFO L226 Difference]: Without dead ends: 339842 [2023-12-02 12:39:38,050 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 12:39:38,050 INFO L413 NwaCegarLoop]: 8012 mSDtfsCounter, 8092 mSDsluCounter, 7466 mSDsCounter, 0 mSdLazyCounter, 1578 mSolverCounterSat, 2 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 67.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8092 SdHoareTripleChecker+Valid, 15478 SdHoareTripleChecker+Invalid, 1592 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1578 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 69.2s IncrementalHoareTripleChecker+Time [2023-12-02 12:39:38,051 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8092 Valid, 15478 Invalid, 1592 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 1578 Invalid, 12 Unknown, 0 Unchecked, 69.2s Time] [2023-12-02 12:39:38,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339842 states. [2023-12-02 12:40:00,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339842 to 339834. [2023-12-02 12:40:01,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 339834 states, 210237 states have (on average 1.2996998625360903) internal successors, (273245), 212541 states have internal predecessors, (273245), 113500 states have call successors, (113500), 16097 states have call predecessors, (113500), 16096 states have return successors, (113498), 113243 states have call predecessors, (113498), 113498 states have call successors, (113498) [2023-12-02 12:40:04,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339834 states to 339834 states and 500243 transitions. [2023-12-02 12:40:04,244 INFO L78 Accepts]: Start accepts. Automaton has 339834 states and 500243 transitions. Word has length 83 [2023-12-02 12:40:04,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:40:04,244 INFO L495 AbstractCegarLoop]: Abstraction has 339834 states and 500243 transitions. [2023-12-02 12:40:04,244 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-12-02 12:40:04,244 INFO L276 IsEmpty]: Start isEmpty. Operand 339834 states and 500243 transitions. [2023-12-02 12:40:04,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-12-02 12:40:04,250 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:40:04,250 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:40:04,250 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-02 12:40:04,250 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:40:04,251 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:40:04,251 INFO L85 PathProgramCache]: Analyzing trace with hash -1872439204, now seen corresponding path program 1 times [2023-12-02 12:40:04,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:40:04,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558495912] [2023-12-02 12:40:04,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:40:04,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:40:05,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:40:06,513 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-12-02 12:40:06,514 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:40:06,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558495912] [2023-12-02 12:40:06,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [558495912] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:40:06,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:40:06,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 12:40:06,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826730935] [2023-12-02 12:40:06,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:40:06,515 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 12:40:06,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:40:06,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 12:40:06,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 12:40:06,516 INFO L87 Difference]: Start difference. First operand 339834 states and 500243 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-12-02 12:40:14,462 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:40:18,679 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:40:21,243 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:40:25,124 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:40:27,138 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 []