./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--via-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_a61566e9-4896-4719-b568-c95b60f57340/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a61566e9-4896-4719-b568-c95b60f57340/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_a61566e9-4896-4719-b568-c95b60f57340/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a61566e9-4896-4719-b568-c95b60f57340/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--via-ircc.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a61566e9-4896-4719-b568-c95b60f57340/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_a61566e9-4896-4719-b568-c95b60f57340/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 f665efa4a665554cf7543e013a29ff4c6ab086907b4fe7628b89c7f514f54a81 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:18:58,268 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:18:58,362 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a61566e9-4896-4719-b568-c95b60f57340/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:18:58,369 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:18:58,370 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:18:58,407 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:18:58,408 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:18:58,409 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:18:58,410 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:18:58,411 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:18:58,412 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:18:58,413 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:18:58,414 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:18:58,414 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:18:58,415 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:18:58,416 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:18:58,417 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:18:58,417 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:18:58,418 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:18:58,419 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:18:58,420 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:18:58,420 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:18:58,422 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:18:58,422 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:18:58,423 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:18:58,423 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:18:58,424 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:18:58,425 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:18:58,425 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:18:58,426 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:18:58,426 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:18:58,427 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:18:58,427 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:18:58,428 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:18:58,429 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:18:58,429 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:18:58,430 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:18:58,431 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:18:58,431 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:18:58,432 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:18:58,432 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:18:58,433 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:18:58,434 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:18:58,434 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:18:58,435 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_a61566e9-4896-4719-b568-c95b60f57340/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a61566e9-4896-4719-b568-c95b60f57340/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f665efa4a665554cf7543e013a29ff4c6ab086907b4fe7628b89c7f514f54a81 [2023-11-23 21:18:58,756 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:18:58,806 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:18:58,810 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:18:58,811 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:18:58,812 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:18:58,814 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a61566e9-4896-4719-b568-c95b60f57340/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--via-ircc.ko-entry_point.cil.out.i [2023-11-23 21:19:02,779 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:19:03,649 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:19:03,650 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a61566e9-4896-4719-b568-c95b60f57340/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--via-ircc.ko-entry_point.cil.out.i [2023-11-23 21:19:03,738 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a61566e9-4896-4719-b568-c95b60f57340/bin/utaipan-verify-mE87zJ7Ire/data/acc2cff8a/abf75312150e49b3b1ca1d445b59eda4/FLAG3511ad97d [2023-11-23 21:19:03,765 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a61566e9-4896-4719-b568-c95b60f57340/bin/utaipan-verify-mE87zJ7Ire/data/acc2cff8a/abf75312150e49b3b1ca1d445b59eda4 [2023-11-23 21:19:03,774 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:19:03,778 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:19:03,780 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:19:03,781 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:19:03,788 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:19:03,789 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:19:03" (1/1) ... [2023-11-23 21:19:03,791 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@378f70ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:03, skipping insertion in model container [2023-11-23 21:19:03,791 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:19:03" (1/1) ... [2023-11-23 21:19:03,983 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:19:06,635 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_a61566e9-4896-4719-b568-c95b60f57340/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--via-ircc.ko-entry_point.cil.out.i[298813,298826] [2023-11-23 21:19:06,723 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:19:06,768 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:19:06,986 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6100] [2023-11-23 21:19:06,989 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6102] [2023-11-23 21:19:06,990 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"); [6112] [2023-11-23 21:19:06,991 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)); [6119] [2023-11-23 21:19:07,004 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%0": "+m" (__preempt_count)); [6230] [2023-11-23 21:19:07,006 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%0": "+m" (__preempt_count)); [6233] [2023-11-23 21:19:07,006 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%0": "+m" (__preempt_count): "qi" (val)); [6235] [2023-11-23 21:19:07,007 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%0": "+m" (__preempt_count)); [6240] [2023-11-23 21:19:07,008 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%0": "+m" (__preempt_count)); [6243] [2023-11-23 21:19:07,009 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%0": "+m" (__preempt_count): "ri" (val)); [6245] [2023-11-23 21:19:07,010 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%0": "+m" (__preempt_count)); [6250] [2023-11-23 21:19:07,018 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%0": "+m" (__preempt_count)); [6253] [2023-11-23 21:19:07,019 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%0": "+m" (__preempt_count): "ri" (val)); [6255] [2023-11-23 21:19:07,019 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%0": "+m" (__preempt_count)); [6260] [2023-11-23 21:19:07,021 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%0": "+m" (__preempt_count)); [6263] [2023-11-23 21:19:07,022 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%0": "+m" (__preempt_count): "re" (val)); [6265] [2023-11-23 21:19:07,023 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%0": "+m" (__preempt_count)); [6283] [2023-11-23 21:19:07,024 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%0": "+m" (__preempt_count)); [6286] [2023-11-23 21:19:07,024 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%0": "+m" (__preempt_count): "qi" (- val)); [6288] [2023-11-23 21:19:07,025 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%0": "+m" (__preempt_count)); [6293] [2023-11-23 21:19:07,026 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%0": "+m" (__preempt_count)); [6296] [2023-11-23 21:19:07,026 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%0": "+m" (__preempt_count): "ri" (- val)); [6298] [2023-11-23 21:19:07,027 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%0": "+m" (__preempt_count)); [6303] [2023-11-23 21:19:07,028 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%0": "+m" (__preempt_count)); [6306] [2023-11-23 21:19:07,028 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%0": "+m" (__preempt_count): "ri" (- val)); [6308] [2023-11-23 21:19:07,029 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%0": "+m" (__preempt_count)); [6313] [2023-11-23 21:19:07,030 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%0": "+m" (__preempt_count)); [6316] [2023-11-23 21:19:07,031 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%0": "+m" (__preempt_count): "re" (- val)); [6318] [2023-11-23 21:19:07,034 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6371] [2023-11-23 21:19:07,035 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6378] [2023-11-23 21:19:07,039 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [6462] [2023-11-23 21:19:07,041 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [6470] [2023-11-23 21:19:07,434 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_a61566e9-4896-4719-b568-c95b60f57340/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--via-ircc.ko-entry_point.cil.out.i[298813,298826] [2023-11-23 21:19:07,455 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:19:07,632 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:19:07,632 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:19:07,643 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:19:07,645 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:07 WrapperNode [2023-11-23 21:19:07,645 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:19:07,648 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:19:07,648 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:19:07,648 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:19:07,659 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:07" (1/1) ... [2023-11-23 21:19:07,803 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:07" (1/1) ... [2023-11-23 21:19:08,190 INFO L138 Inliner]: procedures = 237, calls = 2110, calls flagged for inlining = 107, calls inlined = 104, statements flattened = 5073 [2023-11-23 21:19:08,191 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:19:08,194 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:19:08,194 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:19:08,195 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:19:08,208 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:07" (1/1) ... [2023-11-23 21:19:08,209 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:07" (1/1) ... [2023-11-23 21:19:08,293 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:07" (1/1) ... [2023-11-23 21:19:08,296 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:07" (1/1) ... [2023-11-23 21:19:08,466 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:07" (1/1) ... [2023-11-23 21:19:08,499 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:07" (1/1) ... [2023-11-23 21:19:08,528 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:07" (1/1) ... [2023-11-23 21:19:08,552 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:07" (1/1) ... [2023-11-23 21:19:08,594 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:19:08,595 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:19:08,595 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:19:08,596 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:19:08,597 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:07" (1/1) ... [2023-11-23 21:19:08,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:19:08,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a61566e9-4896-4719-b568-c95b60f57340/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:19:08,636 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a61566e9-4896-4719-b568-c95b60f57340/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:19:08,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a61566e9-4896-4719-b568-c95b60f57340/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:19:08,765 INFO L130 BoogieDeclarations]: Found specification of procedure ResetChip [2023-11-23 21:19:08,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ResetChip [2023-11-23 21:19:08,766 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_net_ioctl [2023-11-23 21:19:08,766 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_net_ioctl [2023-11-23 21:19:08,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-23 21:19:08,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 21:19:08,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-23 21:19:08,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-23 21:19:08,767 INFO L130 BoogieDeclarations]: Found specification of procedure RxCurCount [2023-11-23 21:19:08,767 INFO L138 BoogieDeclarations]: Found implementation of procedure RxCurCount [2023-11-23 21:19:08,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-23 21:19:08,768 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-23 21:19:08,768 INFO L130 BoogieDeclarations]: Found specification of procedure irda_device_txqueue_empty [2023-11-23 21:19:08,768 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_device_txqueue_empty [2023-11-23 21:19:08,768 INFO L130 BoogieDeclarations]: Found specification of procedure irda_setup_dma [2023-11-23 21:19:08,768 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_setup_dma [2023-11-23 21:19:08,768 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-23 21:19:08,769 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-23 21:19:08,769 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2023-11-23 21:19:08,769 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2023-11-23 21:19:08,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-23 21:19:08,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-23 21:19:08,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 21:19:08,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 21:19:08,770 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2023-11-23 21:19:08,771 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2023-11-23 21:19:08,771 INFO L130 BoogieDeclarations]: Found specification of procedure Sdelay [2023-11-23 21:19:08,772 INFO L138 BoogieDeclarations]: Found implementation of procedure Sdelay [2023-11-23 21:19:08,773 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-23 21:19:08,774 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-23 21:19:08,774 INFO L130 BoogieDeclarations]: Found specification of procedure CheckRegBit [2023-11-23 21:19:08,774 INFO L138 BoogieDeclarations]: Found implementation of procedure CheckRegBit [2023-11-23 21:19:08,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-23 21:19:08,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-23 21:19:08,775 INFO L130 BoogieDeclarations]: Found specification of procedure SetSIR [2023-11-23 21:19:08,775 INFO L138 BoogieDeclarations]: Found implementation of procedure SetSIR [2023-11-23 21:19:08,775 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_change_speed [2023-11-23 21:19:08,775 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_change_speed [2023-11-23 21:19:08,775 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:19:08,777 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:19:08,777 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-23 21:19:08,777 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-23 21:19:08,778 INFO L130 BoogieDeclarations]: Found specification of procedure SetMaxRxPacketSize [2023-11-23 21:19:08,778 INFO L138 BoogieDeclarations]: Found implementation of procedure SetMaxRxPacketSize [2023-11-23 21:19:08,778 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2023-11-23 21:19:08,778 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2023-11-23 21:19:08,778 INFO L130 BoogieDeclarations]: Found specification of procedure GetRecvByte [2023-11-23 21:19:08,779 INFO L138 BoogieDeclarations]: Found implementation of procedure GetRecvByte [2023-11-23 21:19:08,779 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-23 21:19:08,779 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-23 21:19:08,779 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:19:08,779 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-23 21:19:08,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:19:08,781 INFO L130 BoogieDeclarations]: Found specification of procedure SetPulseWidth [2023-11-23 21:19:08,781 INFO L138 BoogieDeclarations]: Found implementation of procedure SetPulseWidth [2023-11-23 21:19:08,782 INFO L130 BoogieDeclarations]: Found specification of procedure Tdelay [2023-11-23 21:19:08,783 INFO L138 BoogieDeclarations]: Found implementation of procedure Tdelay [2023-11-23 21:19:08,783 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2023-11-23 21:19:08,783 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2023-11-23 21:19:08,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-11-23 21:19:08,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-11-23 21:19:08,784 INFO L130 BoogieDeclarations]: Found specification of procedure hwreset [2023-11-23 21:19:08,785 INFO L138 BoogieDeclarations]: Found implementation of procedure hwreset [2023-11-23 21:19:08,785 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-23 21:19:08,785 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-23 21:19:08,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:19:08,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 21:19:08,786 INFO L130 BoogieDeclarations]: Found specification of procedure ClkTx [2023-11-23 21:19:08,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ClkTx [2023-11-23 21:19:08,786 INFO L130 BoogieDeclarations]: Found specification of procedure WriteLPCReg [2023-11-23 21:19:08,786 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteLPCReg [2023-11-23 21:19:08,786 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-23 21:19:08,787 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-23 21:19:08,787 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2023-11-23 21:19:08,787 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2023-11-23 21:19:08,788 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2023-11-23 21:19:08,788 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2023-11-23 21:19:08,788 INFO L130 BoogieDeclarations]: Found specification of procedure CommonInit [2023-11-23 21:19:08,789 INFO L138 BoogieDeclarations]: Found implementation of procedure CommonInit [2023-11-23 21:19:08,789 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-23 21:19:08,789 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-23 21:19:08,789 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-11-23 21:19:08,790 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-11-23 21:19:08,791 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-23 21:19:08,791 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-23 21:19:08,791 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_change_dongle_speed [2023-11-23 21:19:08,791 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_change_dongle_speed [2023-11-23 21:19:08,791 INFO L130 BoogieDeclarations]: Found specification of procedure ReadLPCReg [2023-11-23 21:19:08,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadLPCReg [2023-11-23 21:19:08,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-23 21:19:08,792 INFO L130 BoogieDeclarations]: Found specification of procedure free_dma [2023-11-23 21:19:08,792 INFO L138 BoogieDeclarations]: Found implementation of procedure free_dma [2023-11-23 21:19:08,792 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_dma_receive [2023-11-23 21:19:08,793 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_dma_receive [2023-11-23 21:19:08,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 21:19:08,793 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_dma_xmit [2023-11-23 21:19:08,793 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_dma_xmit [2023-11-23 21:19:08,793 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-11-23 21:19:08,793 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-11-23 21:19:08,795 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_net_close [2023-11-23 21:19:08,795 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_net_close [2023-11-23 21:19:08,796 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-11-23 21:19:08,796 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-11-23 21:19:08,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:19:08,797 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-23 21:19:08,797 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-23 21:19:08,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-23 21:19:08,798 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-23 21:19:08,799 INFO L130 BoogieDeclarations]: Found specification of procedure CkRxRecv [2023-11-23 21:19:08,799 INFO L138 BoogieDeclarations]: Found implementation of procedure CkRxRecv [2023-11-23 21:19:08,799 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2023-11-23 21:19:08,799 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2023-11-23 21:19:08,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-23 21:19:08,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-23 21:19:08,805 INFO L130 BoogieDeclarations]: Found specification of procedure irda_get_next_speed [2023-11-23 21:19:08,806 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_get_next_speed [2023-11-23 21:19:08,806 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-11-23 21:19:08,806 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-11-23 21:19:08,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:19:08,806 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2023-11-23 21:19:08,808 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2023-11-23 21:19:08,808 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2023-11-23 21:19:08,808 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2023-11-23 21:19:08,814 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2023-11-23 21:19:08,814 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2023-11-23 21:19:08,814 INFO L130 BoogieDeclarations]: Found specification of procedure SetSendByte [2023-11-23 21:19:08,814 INFO L138 BoogieDeclarations]: Found implementation of procedure SetSendByte [2023-11-23 21:19:08,815 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2023-11-23 21:19:08,815 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2023-11-23 21:19:08,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 21:19:08,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 21:19:08,815 INFO L130 BoogieDeclarations]: Found specification of procedure ReadReg [2023-11-23 21:19:08,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadReg [2023-11-23 21:19:08,816 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_open [2023-11-23 21:19:08,816 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_open [2023-11-23 21:19:08,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-23 21:19:08,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-23 21:19:08,816 INFO L130 BoogieDeclarations]: Found specification of procedure WriteRegBit [2023-11-23 21:19:08,817 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteRegBit [2023-11-23 21:19:08,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:19:08,817 INFO L130 BoogieDeclarations]: Found specification of procedure Wr_Indx [2023-11-23 21:19:08,817 INFO L138 BoogieDeclarations]: Found implementation of procedure Wr_Indx [2023-11-23 21:19:08,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-23 21:19:08,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-23 21:19:08,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:19:08,818 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-23 21:19:08,818 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-23 21:19:08,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:19:08,818 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2023-11-23 21:19:08,818 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2023-11-23 21:19:08,819 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-23 21:19:08,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2023-11-23 21:19:08,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2023-11-23 21:19:08,819 INFO L130 BoogieDeclarations]: Found specification of procedure WriteReg [2023-11-23 21:19:08,819 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteReg [2023-11-23 21:19:08,820 INFO L130 BoogieDeclarations]: Found specification of procedure SetSendPreambleCount [2023-11-23 21:19:08,820 INFO L138 BoogieDeclarations]: Found implementation of procedure SetSendPreambleCount [2023-11-23 21:19:08,820 INFO L130 BoogieDeclarations]: Found specification of procedure InitCard [2023-11-23 21:19:08,820 INFO L138 BoogieDeclarations]: Found implementation of procedure InitCard [2023-11-23 21:19:08,821 INFO L130 BoogieDeclarations]: Found specification of procedure SetTimer [2023-11-23 21:19:08,821 INFO L138 BoogieDeclarations]: Found implementation of procedure SetTimer [2023-11-23 21:19:08,821 INFO L130 BoogieDeclarations]: Found specification of procedure ActClk [2023-11-23 21:19:08,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ActClk [2023-11-23 21:19:08,821 INFO L130 BoogieDeclarations]: Found specification of procedure SetBaudRate [2023-11-23 21:19:08,822 INFO L138 BoogieDeclarations]: Found implementation of procedure SetBaudRate [2023-11-23 21:19:08,822 INFO L130 BoogieDeclarations]: Found specification of procedure Wr_Byte [2023-11-23 21:19:08,822 INFO L138 BoogieDeclarations]: Found implementation of procedure Wr_Byte [2023-11-23 21:19:08,822 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-23 21:19:08,822 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-23 21:19:08,822 INFO L130 BoogieDeclarations]: Found specification of procedure request_dma [2023-11-23 21:19:08,823 INFO L138 BoogieDeclarations]: Found implementation of procedure request_dma [2023-11-23 21:19:08,823 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-11-23 21:19:08,823 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-11-23 21:19:08,823 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2023-11-23 21:19:08,823 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2023-11-23 21:19:08,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:19:08,824 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2023-11-23 21:19:08,824 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2023-11-23 21:19:08,824 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_net_open [2023-11-23 21:19:08,824 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_net_open [2023-11-23 21:19:08,824 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_to_linear_data [2023-11-23 21:19:08,825 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_to_linear_data [2023-11-23 21:19:08,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:19:08,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:19:09,620 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:19:09,626 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:19:10,131 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-23 21:19:17,175 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:19:19,898 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:19:19,898 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 21:19:19,903 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:19:19 BoogieIcfgContainer [2023-11-23 21:19:19,903 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:19:19,911 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:19:19,911 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:19:19,915 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:19:19,915 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:19:03" (1/3) ... [2023-11-23 21:19:19,916 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a4cd24d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:19:19, skipping insertion in model container [2023-11-23 21:19:19,916 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:07" (2/3) ... [2023-11-23 21:19:19,917 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a4cd24d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:19:19, skipping insertion in model container [2023-11-23 21:19:19,917 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:19:19" (3/3) ... [2023-11-23 21:19:19,919 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--via-ircc.ko-entry_point.cil.out.i [2023-11-23 21:19:19,944 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:19:19,944 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:19:20,076 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:19:20,085 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;@66a41177, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:19:20,086 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:19:20,100 INFO L276 IsEmpty]: Start isEmpty. Operand has 1643 states, 900 states have (on average 1.2755555555555556) internal successors, (1148), 944 states have internal predecessors, (1148), 659 states have call successors, (659), 83 states have call predecessors, (659), 82 states have return successors, (652), 641 states have call predecessors, (652), 652 states have call successors, (652) [2023-11-23 21:19:20,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-11-23 21:19:20,175 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:19:20,176 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2023-11-23 21:19:20,177 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:19:20,183 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:19:20,184 INFO L85 PathProgramCache]: Analyzing trace with hash 213153822, now seen corresponding path program 1 times [2023-11-23 21:19:20,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:19:20,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062728918] [2023-11-23 21:19:20,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:19:20,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:19:20,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:19:21,964 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2023-11-23 21:19:21,964 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:19:21,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062728918] [2023-11-23 21:19:21,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062728918] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:19:21,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:19:21,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 21:19:21,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424195249] [2023-11-23 21:19:21,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:19:21,980 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 21:19:21,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:19:22,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 21:19:22,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:19:22,030 INFO L87 Difference]: Start difference. First operand has 1643 states, 900 states have (on average 1.2755555555555556) internal successors, (1148), 944 states have internal predecessors, (1148), 659 states have call successors, (659), 83 states have call predecessors, (659), 82 states have return successors, (652), 641 states have call predecessors, (652), 652 states have call successors, (652) Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2023-11-23 21:19:29,055 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 21:19:32,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:19:32,145 INFO L93 Difference]: Finished difference Result 4854 states and 7300 transitions. [2023-11-23 21:19:32,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 21:19:32,148 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 165 [2023-11-23 21:19:32,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:19:32,213 INFO L225 Difference]: With dead ends: 4854 [2023-11-23 21:19:32,214 INFO L226 Difference]: Without dead ends: 3209 [2023-11-23 21:19:32,242 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-23 21:19:32,247 INFO L413 NwaCegarLoop]: 2460 mSDtfsCounter, 2370 mSDsluCounter, 7157 mSDsCounter, 0 mSdLazyCounter, 789 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2374 SdHoareTripleChecker+Valid, 9617 SdHoareTripleChecker+Invalid, 793 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 789 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2023-11-23 21:19:32,251 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2374 Valid, 9617 Invalid, 793 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 789 Invalid, 1 Unknown, 0 Unchecked, 9.7s Time] [2023-11-23 21:19:32,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3209 states. [2023-11-23 21:19:32,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3209 to 3200. [2023-11-23 21:19:32,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3200 states, 1761 states have (on average 1.2657580919931857) internal successors, (2229), 1831 states have internal predecessors, (2229), 1277 states have call successors, (1277), 162 states have call predecessors, (1277), 161 states have return successors, (1278), 1254 states have call predecessors, (1278), 1276 states have call successors, (1278) [2023-11-23 21:19:32,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3200 states to 3200 states and 4784 transitions. [2023-11-23 21:19:32,846 INFO L78 Accepts]: Start accepts. Automaton has 3200 states and 4784 transitions. Word has length 165 [2023-11-23 21:19:32,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:19:32,849 INFO L495 AbstractCegarLoop]: Abstraction has 3200 states and 4784 transitions. [2023-11-23 21:19:32,849 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2023-11-23 21:19:32,850 INFO L276 IsEmpty]: Start isEmpty. Operand 3200 states and 4784 transitions. [2023-11-23 21:19:32,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-11-23 21:19:32,875 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:19:32,875 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2023-11-23 21:19:32,875 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:19:32,876 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:19:32,876 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:19:32,877 INFO L85 PathProgramCache]: Analyzing trace with hash -223307870, now seen corresponding path program 1 times [2023-11-23 21:19:32,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:19:32,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289282598] [2023-11-23 21:19:32,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:19:32,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:19:33,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:19:33,929 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2023-11-23 21:19:33,929 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:19:33,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289282598] [2023-11-23 21:19:33,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [289282598] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:19:33,930 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:19:33,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 21:19:33,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874613557] [2023-11-23 21:19:33,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:19:33,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 21:19:33,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:19:33,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 21:19:33,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:19:33,935 INFO L87 Difference]: Start difference. First operand 3200 states and 4784 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2023-11-23 21:19:40,623 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:19:43,031 WARN L539 Checker$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 21:19:46,198 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:19:47,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:19:47,397 INFO L93 Difference]: Finished difference Result 6396 states and 9561 transitions. [2023-11-23 21:19:47,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 21:19:47,398 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 166 [2023-11-23 21:19:47,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:19:47,437 INFO L225 Difference]: With dead ends: 6396 [2023-11-23 21:19:47,437 INFO L226 Difference]: Without dead ends: 3214 [2023-11-23 21:19:47,463 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-23 21:19:47,464 INFO L413 NwaCegarLoop]: 2443 mSDtfsCounter, 2350 mSDsluCounter, 7107 mSDsCounter, 0 mSdLazyCounter, 781 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2354 SdHoareTripleChecker+Valid, 9550 SdHoareTripleChecker+Invalid, 786 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 781 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.9s IncrementalHoareTripleChecker+Time [2023-11-23 21:19:47,465 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2354 Valid, 9550 Invalid, 786 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 781 Invalid, 2 Unknown, 0 Unchecked, 12.9s Time] [2023-11-23 21:19:47,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3214 states. [2023-11-23 21:19:47,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3214 to 3205. [2023-11-23 21:19:47,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3205 states, 1765 states have (on average 1.2651558073654392) internal successors, (2233), 1835 states have internal predecessors, (2233), 1277 states have call successors, (1277), 163 states have call predecessors, (1277), 162 states have return successors, (1278), 1254 states have call predecessors, (1278), 1276 states have call successors, (1278) [2023-11-23 21:19:47,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3205 states to 3205 states and 4788 transitions. [2023-11-23 21:19:47,762 INFO L78 Accepts]: Start accepts. Automaton has 3205 states and 4788 transitions. Word has length 166 [2023-11-23 21:19:47,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:19:47,763 INFO L495 AbstractCegarLoop]: Abstraction has 3205 states and 4788 transitions. [2023-11-23 21:19:47,763 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2023-11-23 21:19:47,764 INFO L276 IsEmpty]: Start isEmpty. Operand 3205 states and 4788 transitions. [2023-11-23 21:19:47,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-11-23 21:19:47,775 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:19:47,776 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2023-11-23 21:19:47,776 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 21:19:47,776 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:19:47,777 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:19:47,777 INFO L85 PathProgramCache]: Analyzing trace with hash 2072653055, now seen corresponding path program 1 times [2023-11-23 21:19:47,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:19:47,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511522319] [2023-11-23 21:19:47,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:19:47,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:19:48,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat