./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--ali-ircc.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13b20a97-6657-4d7f-bab8-ba30b5517cf1/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13b20a97-6657-4d7f-bab8-ba30b5517cf1/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13b20a97-6657-4d7f-bab8-ba30b5517cf1/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13b20a97-6657-4d7f-bab8-ba30b5517cf1/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--ali-ircc.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13b20a97-6657-4d7f-bab8-ba30b5517cf1/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13b20a97-6657-4d7f-bab8-ba30b5517cf1/bin/utaipan-verify-mE87zJ7Ire --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 30a0e5b13c3defe0f298e3b02d20715fa24fc6c7bd7e5068148722c1045726eb --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:32:10,407 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:32:10,542 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13b20a97-6657-4d7f-bab8-ba30b5517cf1/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:32:10,553 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:32:10,556 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:32:10,595 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:32:10,596 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:32:10,597 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:32:10,598 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:32:10,599 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:32:10,600 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:32:10,601 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:32:10,601 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:32:10,602 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:32:10,603 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:32:10,604 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:32:10,604 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:32:10,605 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:32:10,606 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:32:10,606 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:32:10,607 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:32:10,610 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:32:10,612 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:32:10,613 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:32:10,613 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:32:10,614 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:32:10,614 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:32:10,615 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:32:10,616 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:32:10,616 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:32:10,618 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:32:10,618 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:32:10,619 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:32:10,619 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:32:10,619 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:32:10,620 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:32:10,620 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:32:10,620 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:32:10,621 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:32:10,621 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:32:10,623 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:32:10,624 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:32:10,624 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:32:10,624 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:32:10,625 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_13b20a97-6657-4d7f-bab8-ba30b5517cf1/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13b20a97-6657-4d7f-bab8-ba30b5517cf1/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30a0e5b13c3defe0f298e3b02d20715fa24fc6c7bd7e5068148722c1045726eb [2023-11-23 21:32:10,989 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:32:11,036 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:32:11,040 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:32:11,042 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:32:11,042 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:32:11,044 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13b20a97-6657-4d7f-bab8-ba30b5517cf1/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--ali-ircc.ko-entry_point.cil.out.i [2023-11-23 21:32:14,484 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:32:15,248 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:32:15,249 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13b20a97-6657-4d7f-bab8-ba30b5517cf1/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--ali-ircc.ko-entry_point.cil.out.i [2023-11-23 21:32:15,315 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13b20a97-6657-4d7f-bab8-ba30b5517cf1/bin/utaipan-verify-mE87zJ7Ire/data/29a71abb5/1e84935bf1c4442fbf7dec1ec2c0e572/FLAGa94ecf18d [2023-11-23 21:32:15,337 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13b20a97-6657-4d7f-bab8-ba30b5517cf1/bin/utaipan-verify-mE87zJ7Ire/data/29a71abb5/1e84935bf1c4442fbf7dec1ec2c0e572 [2023-11-23 21:32:15,346 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:32:15,349 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:32:15,351 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:32:15,351 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:32:15,357 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:32:15,358 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:32:15" (1/1) ... [2023-11-23 21:32:15,360 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c13698a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:15, skipping insertion in model container [2023-11-23 21:32:15,360 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:32:15" (1/1) ... [2023-11-23 21:32:15,561 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:32:16,441 WARN L635 FunctionHandler]: implicit declaration of function ldv_assume [2023-11-23 21:32:17,864 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_13b20a97-6657-4d7f-bab8-ba30b5517cf1/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--ali-ircc.ko-entry_point.cil.out.i[301578,301591] [2023-11-23 21:32:17,922 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:32:17,957 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:32:18,087 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [5933] [2023-11-23 21:32:18,089 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [5935] [2023-11-23 21:32:18,090 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"); [5945] [2023-11-23 21:32:18,091 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)); [5952] [2023-11-23 21:32:18,092 WARN L635 FunctionHandler]: implicit declaration of function ldv_assume [2023-11-23 21:32:18,095 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%1,%0": "=q" (pfo_ret__): "m" (__preempt_count)); [6079] [2023-11-23 21:32:18,096 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [6082] [2023-11-23 21:32:18,096 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [6085] [2023-11-23 21:32:18,096 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [6088] [2023-11-23 21:32:18,097 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%0": "+m" (__preempt_count)); [6105] [2023-11-23 21:32:18,097 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%0": "+m" (__preempt_count)); [6108] [2023-11-23 21:32:18,098 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%0": "+m" (__preempt_count): "qi" (val)); [6110] [2023-11-23 21:32:18,098 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%0": "+m" (__preempt_count)); [6115] [2023-11-23 21:32:18,098 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%0": "+m" (__preempt_count)); [6118] [2023-11-23 21:32:18,099 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%0": "+m" (__preempt_count): "ri" (val)); [6120] [2023-11-23 21:32:18,099 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%0": "+m" (__preempt_count)); [6125] [2023-11-23 21:32:18,099 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%0": "+m" (__preempt_count)); [6128] [2023-11-23 21:32:18,100 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%0": "+m" (__preempt_count): "ri" (val)); [6130] [2023-11-23 21:32:18,100 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%0": "+m" (__preempt_count)); [6135] [2023-11-23 21:32:18,100 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%0": "+m" (__preempt_count)); [6138] [2023-11-23 21:32:18,101 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%0": "+m" (__preempt_count): "re" (val)); [6140] [2023-11-23 21:32:18,101 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%0": "+m" (__preempt_count)); [6158] [2023-11-23 21:32:18,102 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%0": "+m" (__preempt_count)); [6161] [2023-11-23 21:32:18,102 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%0": "+m" (__preempt_count): "qi" (- val)); [6163] [2023-11-23 21:32:18,103 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%0": "+m" (__preempt_count)); [6168] [2023-11-23 21:32:18,103 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%0": "+m" (__preempt_count)); [6171] [2023-11-23 21:32:18,103 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%0": "+m" (__preempt_count): "ri" (- val)); [6173] [2023-11-23 21:32:18,104 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%0": "+m" (__preempt_count)); [6178] [2023-11-23 21:32:18,104 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%0": "+m" (__preempt_count)); [6181] [2023-11-23 21:32:18,104 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%0": "+m" (__preempt_count): "ri" (- val)); [6183] [2023-11-23 21:32:18,105 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%0": "+m" (__preempt_count)); [6188] [2023-11-23 21:32:18,105 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%0": "+m" (__preempt_count)); [6191] [2023-11-23 21:32:18,105 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%0": "+m" (__preempt_count): "re" (- val)); [6193] [2023-11-23 21:32:18,109 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6280] [2023-11-23 21:32:18,110 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6287] [2023-11-23 21:32:18,112 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [6371] [2023-11-23 21:32:18,112 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [6379] [2023-11-23 21:32:18,381 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_13b20a97-6657-4d7f-bab8-ba30b5517cf1/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--ali-ircc.ko-entry_point.cil.out.i[301578,301591] [2023-11-23 21:32:18,392 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:32:18,527 WARN L675 CHandler]: The function ldv_assume is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:32:18,527 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:32:18,527 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:32:18,535 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:32:18,536 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:18 WrapperNode [2023-11-23 21:32:18,536 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:32:18,537 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:32:18,538 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:32:18,538 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:32:18,546 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:18" (1/1) ... [2023-11-23 21:32:18,661 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:18" (1/1) ... [2023-11-23 21:32:18,906 INFO L138 Inliner]: procedures = 222, calls = 2431, calls flagged for inlining = 115, calls inlined = 112, statements flattened = 5174 [2023-11-23 21:32:18,907 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:32:18,908 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:32:18,908 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:32:18,909 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:32:18,918 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:18" (1/1) ... [2023-11-23 21:32:18,919 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:18" (1/1) ... [2023-11-23 21:32:18,961 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:18" (1/1) ... [2023-11-23 21:32:18,961 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:18" (1/1) ... [2023-11-23 21:32:19,088 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:18" (1/1) ... [2023-11-23 21:32:19,125 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:18" (1/1) ... [2023-11-23 21:32:19,155 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:18" (1/1) ... [2023-11-23 21:32:19,174 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:18" (1/1) ... [2023-11-23 21:32:19,202 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:32:19,203 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:32:19,203 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:32:19,203 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:32:19,206 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:18" (1/1) ... [2023-11-23 21:32:19,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:32:19,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13b20a97-6657-4d7f-bab8-ba30b5517cf1/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:32:19,239 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13b20a97-6657-4d7f-bab8-ba30b5517cf1/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:32:19,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13b20a97-6657-4d7f-bab8-ba30b5517cf1/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:32:19,289 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2023-11-23 21:32:19,290 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2023-11-23 21:32:19,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-23 21:32:19,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 21:32:19,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-23 21:32:19,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-23 21:32:19,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-23 21:32:19,291 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-23 21:32:19,291 INFO L130 BoogieDeclarations]: Found specification of procedure irda_setup_dma [2023-11-23 21:32:19,291 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_setup_dma [2023-11-23 21:32:19,291 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-23 21:32:19,291 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-23 21:32:19,292 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2023-11-23 21:32:19,292 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2023-11-23 21:32:19,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-23 21:32:19,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-23 21:32:19,292 INFO L130 BoogieDeclarations]: Found specification of procedure ali_ircc_dma_receive_complete [2023-11-23 21:32:19,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ali_ircc_dma_receive_complete [2023-11-23 21:32:19,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 21:32:19,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 21:32:19,293 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-23 21:32:19,293 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-23 21:32:19,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-23 21:32:19,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-23 21:32:19,294 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 21:32:19,294 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 21:32:19,294 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:32:19,294 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:32:19,294 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-23 21:32:19,294 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-23 21:32:19,295 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get [2023-11-23 21:32:19,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get [2023-11-23 21:32:19,295 INFO L130 BoogieDeclarations]: Found specification of procedure switch_bank [2023-11-23 21:32:19,295 INFO L138 BoogieDeclarations]: Found implementation of procedure switch_bank [2023-11-23 21:32:19,295 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2023-11-23 21:32:19,295 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2023-11-23 21:32:19,296 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-23 21:32:19,296 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-23 21:32:19,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:32:19,296 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-23 21:32:19,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:32:19,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-11-23 21:32:19,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-11-23 21:32:19,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-23 21:32:19,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-23 21:32:19,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_remove_4 [2023-11-23 21:32:19,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_remove_4 [2023-11-23 21:32:19,297 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-23 21:32:19,297 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-23 21:32:19,298 INFO L130 BoogieDeclarations]: Found specification of procedure ali_ircc_dma_receive [2023-11-23 21:32:19,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ali_ircc_dma_receive [2023-11-23 21:32:19,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:32:19,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 21:32:19,298 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-23 21:32:19,298 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-23 21:32:19,298 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2023-11-23 21:32:19,299 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2023-11-23 21:32:19,299 INFO L130 BoogieDeclarations]: Found specification of procedure ali_ircc_net_ioctl [2023-11-23 21:32:19,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ali_ircc_net_ioctl [2023-11-23 21:32:19,299 INFO L130 BoogieDeclarations]: Found specification of procedure SetCOMInterrupts [2023-11-23 21:32:19,299 INFO L138 BoogieDeclarations]: Found implementation of procedure SetCOMInterrupts [2023-11-23 21:32:19,299 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-23 21:32:19,300 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-23 21:32:19,300 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-11-23 21:32:19,300 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-11-23 21:32:19,300 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-23 21:32:19,300 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-23 21:32:19,300 INFO L130 BoogieDeclarations]: Found specification of procedure ali_ircc_change_dongle_speed [2023-11-23 21:32:19,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ali_ircc_change_dongle_speed [2023-11-23 21:32:19,301 INFO L130 BoogieDeclarations]: Found specification of procedure SIR2FIR [2023-11-23 21:32:19,301 INFO L138 BoogieDeclarations]: Found implementation of procedure SIR2FIR [2023-11-23 21:32:19,301 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-23 21:32:19,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 21:32:19,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-23 21:32:19,302 INFO L130 BoogieDeclarations]: Found specification of procedure ali_ircc_net_close [2023-11-23 21:32:19,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ali_ircc_net_close [2023-11-23 21:32:19,303 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-11-23 21:32:19,303 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-11-23 21:32:19,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:32:19,303 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-23 21:32:19,304 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-23 21:32:19,304 INFO L130 BoogieDeclarations]: Found specification of procedure ali_ircc_dma_xmit [2023-11-23 21:32:19,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ali_ircc_dma_xmit [2023-11-23 21:32:19,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-23 21:32:19,304 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-23 21:32:19,305 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2023-11-23 21:32:19,305 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2023-11-23 21:32:19,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-23 21:32:19,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-23 21:32:19,306 INFO L130 BoogieDeclarations]: Found specification of procedure irda_get_next_speed [2023-11-23 21:32:19,306 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_get_next_speed [2023-11-23 21:32:19,307 INFO L130 BoogieDeclarations]: Found specification of procedure ali_ircc_net_open [2023-11-23 21:32:19,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ali_ircc_net_open [2023-11-23 21:32:19,307 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-11-23 21:32:19,307 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-11-23 21:32:19,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:32:19,308 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2023-11-23 21:32:19,308 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2023-11-23 21:32:19,309 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2023-11-23 21:32:19,309 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2023-11-23 21:32:19,309 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2023-11-23 21:32:19,309 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2023-11-23 21:32:19,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 21:32:19,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 21:32:19,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-23 21:32:19,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-23 21:32:19,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:32:19,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-23 21:32:19,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-23 21:32:19,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:32:19,314 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-23 21:32:19,315 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-23 21:32:19,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:32:19,316 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2023-11-23 21:32:19,316 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2023-11-23 21:32:19,316 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-23 21:32:19,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2023-11-23 21:32:19,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2023-11-23 21:32:19,323 INFO L130 BoogieDeclarations]: Found specification of procedure FIR2SIR [2023-11-23 21:32:19,324 INFO L138 BoogieDeclarations]: Found implementation of procedure FIR2SIR [2023-11-23 21:32:19,324 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2023-11-23 21:32:19,324 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2023-11-23 21:32:19,324 INFO L130 BoogieDeclarations]: Found specification of procedure ali_ircc_change_speed [2023-11-23 21:32:19,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ali_ircc_change_speed [2023-11-23 21:32:19,324 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-23 21:32:19,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-23 21:32:19,325 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-11-23 21:32:19,325 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-11-23 21:32:19,325 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2023-11-23 21:32:19,325 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2023-11-23 21:32:19,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:32:19,325 INFO L130 BoogieDeclarations]: Found specification of procedure ali_ircc_resume [2023-11-23 21:32:19,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ali_ircc_resume [2023-11-23 21:32:19,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:32:19,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:32:20,029 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:32:20,032 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:32:21,438 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-23 21:32:28,615 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:32:30,709 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:32:30,709 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 21:32:30,712 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:32:30 BoogieIcfgContainer [2023-11-23 21:32:30,712 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:32:30,716 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:32:30,716 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:32:30,719 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:32:30,719 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:32:15" (1/3) ... [2023-11-23 21:32:30,721 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28b79dc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:32:30, skipping insertion in model container [2023-11-23 21:32:30,721 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:18" (2/3) ... [2023-11-23 21:32:30,722 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28b79dc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:32:30, skipping insertion in model container [2023-11-23 21:32:30,722 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:32:30" (3/3) ... [2023-11-23 21:32:30,725 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--ali-ircc.ko-entry_point.cil.out.i [2023-11-23 21:32:30,746 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:32:30,746 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:32:30,889 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:32:30,896 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;@695f27ce, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:32:30,896 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:32:30,908 INFO L276 IsEmpty]: Start isEmpty. Operand has 1318 states, 764 states have (on average 1.3416230366492146) internal successors, (1025), 828 states have internal predecessors, (1025), 495 states have call successors, (495), 58 states have call predecessors, (495), 57 states have return successors, (488), 481 states have call predecessors, (488), 488 states have call successors, (488) [2023-11-23 21:32:30,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2023-11-23 21:32:30,975 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:32:30,976 INFO L195 NwaCegarLoop]: trace histogram [6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:32:30,977 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:32:30,983 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:32:30,984 INFO L85 PathProgramCache]: Analyzing trace with hash 1259026411, now seen corresponding path program 1 times [2023-11-23 21:32:30,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:32:30,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043730633] [2023-11-23 21:32:30,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:32:30,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:32:31,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:32:32,683 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2023-11-23 21:32:32,684 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:32:32,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043730633] [2023-11-23 21:32:32,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1043730633] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:32:32,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:32:32,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 21:32:32,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162891853] [2023-11-23 21:32:32,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:32:32,695 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 21:32:32,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:32:32,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 21:32:32,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:32:32,747 INFO L87 Difference]: Start difference. First operand has 1318 states, 764 states have (on average 1.3416230366492146) internal successors, (1025), 828 states have internal predecessors, (1025), 495 states have call successors, (495), 58 states have call predecessors, (495), 57 states have return successors, (488), 481 states have call predecessors, (488), 488 states have call successors, (488) Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 3 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2023-11-23 21:32:34,236 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:32:35,969 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:32:37,239 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:32:42,165 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:32:43,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:32:45,842 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:32:51,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:32:51,005 INFO L93 Difference]: Finished difference Result 3902 states and 5976 transitions. [2023-11-23 21:32:51,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 21:32:51,017 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 3 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 195 [2023-11-23 21:32:51,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:32:51,064 INFO L225 Difference]: With dead ends: 3902 [2023-11-23 21:32:51,064 INFO L226 Difference]: Without dead ends: 2529 [2023-11-23 21:32:51,080 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-23 21:32:51,083 INFO L413 NwaCegarLoop]: 2233 mSDtfsCounter, 1955 mSDsluCounter, 6271 mSDsCounter, 0 mSdLazyCounter, 754 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1959 SdHoareTripleChecker+Valid, 8504 SdHoareTripleChecker+Invalid, 759 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 754 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.8s IncrementalHoareTripleChecker+Time [2023-11-23 21:32:51,084 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1959 Valid, 8504 Invalid, 759 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 754 Invalid, 2 Unknown, 0 Unchecked, 17.8s Time] [2023-11-23 21:32:51,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2529 states. [2023-11-23 21:32:51,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2529 to 2520. [2023-11-23 21:32:51,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2520 states, 1465 states have (on average 1.331740614334471) internal successors, (1951), 1575 states have internal predecessors, (1951), 942 states have call successors, (942), 113 states have call predecessors, (942), 112 states have return successors, (945), 927 states have call predecessors, (945), 941 states have call successors, (945) [2023-11-23 21:32:51,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2520 states to 2520 states and 3838 transitions. [2023-11-23 21:32:51,410 INFO L78 Accepts]: Start accepts. Automaton has 2520 states and 3838 transitions. Word has length 195 [2023-11-23 21:32:51,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:32:51,411 INFO L495 AbstractCegarLoop]: Abstraction has 2520 states and 3838 transitions. [2023-11-23 21:32:51,412 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 3 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2023-11-23 21:32:51,412 INFO L276 IsEmpty]: Start isEmpty. Operand 2520 states and 3838 transitions. [2023-11-23 21:32:51,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2023-11-23 21:32:51,432 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:32:51,432 INFO L195 NwaCegarLoop]: trace histogram [6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:32:51,433 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:32:51,433 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:32:51,433 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:32:51,434 INFO L85 PathProgramCache]: Analyzing trace with hash 652314359, now seen corresponding path program 1 times [2023-11-23 21:32:51,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:32:51,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743713558] [2023-11-23 21:32:51,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:32:51,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:32:51,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:32:52,496 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2023-11-23 21:32:52,497 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:32:52,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743713558] [2023-11-23 21:32:52,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1743713558] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:32:52,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:32:52,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 21:32:52,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137337800] [2023-11-23 21:32:52,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:32:52,500 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 21:32:52,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:32:52,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 21:32:52,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:32:52,502 INFO L87 Difference]: Start difference. First operand 2520 states and 3838 transitions. Second operand has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 3 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2023-11-23 21:32:54,052 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 [] [2023-11-23 21:33:01,207 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 []