./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--tty--synclinkmp.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3dd5173-ef50-49c7-8041-b99a0776b08a/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3dd5173-ef50-49c7-8041-b99a0776b08a/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3dd5173-ef50-49c7-8041-b99a0776b08a/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3dd5173-ef50-49c7-8041-b99a0776b08a/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--synclinkmp.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3dd5173-ef50-49c7-8041-b99a0776b08a/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3dd5173-ef50-49c7-8041-b99a0776b08a/bin/uautomizer-verify-uCwYo4JHxu --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2472cece0c5850e18a2b5f94d1cf0b687bb4a9cf075a19883fc5a2f42ed6c5a6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:58:16,208 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:58:16,325 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3dd5173-ef50-49c7-8041-b99a0776b08a/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-19 07:58:16,337 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:58:16,338 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:58:16,374 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:58:16,375 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:58:16,375 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:58:16,377 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:58:16,382 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:58:16,384 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:58:16,385 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:58:16,385 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:58:16,387 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:58:16,388 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:58:16,388 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:58:16,389 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:58:16,389 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:58:16,390 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:58:16,390 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:58:16,391 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:58:16,391 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:58:16,393 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:58:16,394 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:58:16,394 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:58:16,395 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:58:16,395 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:58:16,396 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:58:16,396 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:58:16,397 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:58:16,398 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:58:16,398 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:58:16,399 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:58:16,399 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:58:16,399 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:58:16,399 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:58:16,400 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_c3dd5173-ef50-49c7-8041-b99a0776b08a/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3dd5173-ef50-49c7-8041-b99a0776b08a/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2472cece0c5850e18a2b5f94d1cf0b687bb4a9cf075a19883fc5a2f42ed6c5a6 [2023-11-19 07:58:16,729 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:58:16,759 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:58:16,762 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:58:16,763 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:58:16,764 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:58:16,765 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3dd5173-ef50-49c7-8041-b99a0776b08a/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--synclinkmp.ko-entry_point.cil.out.i [2023-11-19 07:58:19,842 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:58:20,590 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:58:20,591 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3dd5173-ef50-49c7-8041-b99a0776b08a/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--synclinkmp.ko-entry_point.cil.out.i [2023-11-19 07:58:20,656 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3dd5173-ef50-49c7-8041-b99a0776b08a/bin/uautomizer-verify-uCwYo4JHxu/data/2b365f4f5/e8d5bbc538a9497893a68def4bbb93df/FLAG729a8da45 [2023-11-19 07:58:20,674 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3dd5173-ef50-49c7-8041-b99a0776b08a/bin/uautomizer-verify-uCwYo4JHxu/data/2b365f4f5/e8d5bbc538a9497893a68def4bbb93df [2023-11-19 07:58:20,679 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:58:20,681 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:58:20,685 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:58:20,686 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:58:20,691 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:58:20,692 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:58:20" (1/1) ... [2023-11-19 07:58:20,693 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6316c97f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:20, skipping insertion in model container [2023-11-19 07:58:20,693 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:58:20" (1/1) ... [2023-11-19 07:58:20,945 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:58:24,593 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_c3dd5173-ef50-49c7-8041-b99a0776b08a/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--synclinkmp.ko-entry_point.cil.out.i[431060,431073] [2023-11-19 07:58:24,669 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:58:24,737 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:58:24,871 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"); [5984] [2023-11-19 07:58:24,873 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)); [5991] [2023-11-19 07:58:24,874 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [6005-6006] [2023-11-19 07:58:24,878 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [6133] [2023-11-19 07:58:24,878 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6136] [2023-11-19 07:58:24,878 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6139] [2023-11-19 07:58:24,879 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6142] [2023-11-19 07:58:25,411 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret), "+m" (tmp___2->state): : "memory", "cc"); [9566-9567] [2023-11-19 07:58:25,411 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret), "+m" (tmp___3->state): : "memory", "cc"); [9571-9572] [2023-11-19 07:58:25,412 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret), "+m" (tmp___4->state): : "memory", "cc"); [9576-9577] [2023-11-19 07:58:25,412 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret), "+m" (tmp___5->state): : "memory", "cc"); [9581-9582] [2023-11-19 07:58:25,415 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret___0), "+m" (tmp___9->state): : "memory", "cc"); [9608-9609] [2023-11-19 07:58:25,415 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret___0), "+m" (tmp___10->state): : "memory", "cc"); [9613-9614] [2023-11-19 07:58:25,415 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret___0), "+m" (tmp___11->state): : "memory", "cc"); [9618-9619] [2023-11-19 07:58:25,416 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret___0), "+m" (tmp___12->state): : "memory", "cc"); [9623-9624] [2023-11-19 07:58:25,422 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret___1), "+m" (tmp___14->state): : "memory", "cc"); [9652-9653] [2023-11-19 07:58:25,423 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret___1), "+m" (tmp___15->state): : "memory", "cc"); [9657-9658] [2023-11-19 07:58:25,423 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret___1), "+m" (tmp___16->state): : "memory", "cc"); [9662-9663] [2023-11-19 07:58:25,424 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret___1), "+m" (tmp___17->state): : "memory", "cc"); [9667-9668] [2023-11-19 07:58:25,425 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" (mask_ptr): "ebx"); [9692] [2023-11-19 07:58:25,425 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" (mask_ptr): "ebx"); [9695] [2023-11-19 07:58:25,426 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" (mask_ptr): "ebx"); [9698] [2023-11-19 07:58:25,426 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" (mask_ptr): "ebx"); [9701] [2023-11-19 07:58:25,426 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" (mask_ptr): "ebx"); [9704] [2023-11-19 07:58:25,430 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret), "+m" (tmp___1->state): : "memory", "cc"); [9758-9759] [2023-11-19 07:58:25,431 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret), "+m" (tmp___2->state): : "memory", "cc"); [9763-9764] [2023-11-19 07:58:25,431 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret), "+m" (tmp___3->state): : "memory", "cc"); [9768-9769] [2023-11-19 07:58:25,432 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret), "+m" (tmp___4->state): : "memory", "cc"); [9773-9774] [2023-11-19 07:58:25,433 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret___0), "+m" (tmp___8->state): : "memory", "cc"); [9798-9799] [2023-11-19 07:58:25,434 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret___0), "+m" (tmp___9->state): : "memory", "cc"); [9803-9804] [2023-11-19 07:58:25,434 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret___0), "+m" (tmp___10->state): : "memory", "cc"); [9808-9809] [2023-11-19 07:58:25,434 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret___0), "+m" (tmp___11->state): : "memory", "cc"); [9813-9814] [2023-11-19 07:58:25,437 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret___1), "+m" (tmp___13->state): : "memory", "cc"); [9841-9842] [2023-11-19 07:58:25,437 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret___1), "+m" (tmp___14->state): : "memory", "cc"); [9846-9847] [2023-11-19 07:58:25,438 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret___1), "+m" (tmp___15->state): : "memory", "cc"); [9851-9852] [2023-11-19 07:58:25,438 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret___1), "+m" (tmp___16->state): : "memory", "cc"); [9856-9857] [2023-11-19 07:58:25,448 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret), "+m" (tmp___2->state): : "memory", "cc"); [10026-10027] [2023-11-19 07:58:25,448 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret), "+m" (tmp___3->state): : "memory", "cc"); [10031-10032] [2023-11-19 07:58:25,449 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret), "+m" (tmp___4->state): : "memory", "cc"); [10036-10037] [2023-11-19 07:58:25,450 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret), "+m" (tmp___5->state): : "memory", "cc"); [10041-10042] [2023-11-19 07:58:25,451 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret___0), "+m" (tmp___10->state): : "memory", "cc"); [10082-10083] [2023-11-19 07:58:25,452 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret___0), "+m" (tmp___11->state): : "memory", "cc"); [10087-10088] [2023-11-19 07:58:25,452 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret___0), "+m" (tmp___12->state): : "memory", "cc"); [10092-10093] [2023-11-19 07:58:25,453 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret___0), "+m" (tmp___13->state): : "memory", "cc"); [10097-10098] [2023-11-19 07:58:25,697 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_c3dd5173-ef50-49c7-8041-b99a0776b08a/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--synclinkmp.ko-entry_point.cil.out.i[431060,431073] [2023-11-19 07:58:25,733 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:58:25,873 WARN L675 CHandler]: The function strcat is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:58:25,873 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:58:25,873 WARN L675 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:58:25,874 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:58:25,874 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:58:25,881 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:58:25,882 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:25 WrapperNode [2023-11-19 07:58:25,882 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:58:25,884 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:58:25,884 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:58:25,884 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:58:25,892 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:25" (1/1) ... [2023-11-19 07:58:26,082 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:25" (1/1) ... [2023-11-19 07:58:26,510 INFO L138 Inliner]: procedures = 389, calls = 4177, calls flagged for inlining = 186, calls inlined = 180, statements flattened = 10976 [2023-11-19 07:58:26,511 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:58:26,512 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:58:26,512 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:58:26,512 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:58:26,522 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:25" (1/1) ... [2023-11-19 07:58:26,524 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:25" (1/1) ... [2023-11-19 07:58:26,608 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:25" (1/1) ... [2023-11-19 07:58:26,609 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:25" (1/1) ... [2023-11-19 07:58:26,898 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:25" (1/1) ... [2023-11-19 07:58:26,952 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:25" (1/1) ... [2023-11-19 07:58:26,995 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:25" (1/1) ... [2023-11-19 07:58:27,034 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:25" (1/1) ... [2023-11-19 07:58:27,106 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:58:27,107 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:58:27,107 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:58:27,107 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:58:27,108 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:25" (1/1) ... [2023-11-19 07:58:27,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:58:27,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3dd5173-ef50-49c7-8041-b99a0776b08a/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:27,145 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3dd5173-ef50-49c7-8041-b99a0776b08a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:27,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3dd5173-ef50-49c7-8041-b99a0776b08a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:58:27,197 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2023-11-19 07:58:27,197 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2023-11-19 07:58:27,197 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2023-11-19 07:58:27,197 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 07:58:27,198 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 07:58:27,198 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-19 07:58:27,198 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-19 07:58:27,198 INFO L130 BoogieDeclarations]: Found specification of procedure set_signals [2023-11-19 07:58:27,198 INFO L138 BoogieDeclarations]: Found implementation of procedure set_signals [2023-11-19 07:58:27,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-19 07:58:27,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-19 07:58:27,199 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_dma_bufs [2023-11-19 07:58:27,199 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_dma_bufs [2023-11-19 07:58:27,199 INFO L130 BoogieDeclarations]: Found specification of procedure hdlcdev_ioctl [2023-11-19 07:58:27,199 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlcdev_ioctl [2023-11-19 07:58:27,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 07:58:27,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 07:58:27,200 INFO L130 BoogieDeclarations]: Found specification of procedure char_buf_ptr [2023-11-19 07:58:27,200 INFO L138 BoogieDeclarations]: Found implementation of procedure char_buf_ptr [2023-11-19 07:58:27,200 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2023-11-19 07:58:27,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2023-11-19 07:58:27,201 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2023-11-19 07:58:27,201 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2023-11-19 07:58:27,203 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2023-11-19 07:58:27,203 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2023-11-19 07:58:27,203 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-19 07:58:27,203 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-19 07:58:27,203 INFO L130 BoogieDeclarations]: Found specification of procedure chars_in_buffer [2023-11-19 07:58:27,204 INFO L138 BoogieDeclarations]: Found implementation of procedure chars_in_buffer [2023-11-19 07:58:27,204 INFO L130 BoogieDeclarations]: Found specification of procedure change_params [2023-11-19 07:58:27,204 INFO L138 BoogieDeclarations]: Found implementation of procedure change_params [2023-11-19 07:58:27,204 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_change_mtu [2023-11-19 07:58:27,204 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_change_mtu [2023-11-19 07:58:27,205 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-19 07:58:27,205 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-19 07:58:27,205 INFO L130 BoogieDeclarations]: Found specification of procedure set_break [2023-11-19 07:58:27,205 INFO L138 BoogieDeclarations]: Found implementation of procedure set_break [2023-11-19 07:58:27,205 INFO L130 BoogieDeclarations]: Found specification of procedure tx_start [2023-11-19 07:58:27,205 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_start [2023-11-19 07:58:27,206 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-19 07:58:27,206 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 07:58:27,206 INFO L130 BoogieDeclarations]: Found specification of procedure startup [2023-11-19 07:58:27,206 INFO L138 BoogieDeclarations]: Found implementation of procedure startup [2023-11-19 07:58:27,206 INFO L130 BoogieDeclarations]: Found specification of procedure isr_io_pin [2023-11-19 07:58:27,206 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_io_pin [2023-11-19 07:58:27,207 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_frame_bufs [2023-11-19 07:58:27,207 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_frame_bufs [2023-11-19 07:58:27,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-19 07:58:27,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-19 07:58:27,208 INFO L130 BoogieDeclarations]: Found specification of procedure wait_until_sent [2023-11-19 07:58:27,208 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_until_sent [2023-11-19 07:58:27,208 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-19 07:58:27,208 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-19 07:58:27,208 INFO L130 BoogieDeclarations]: Found specification of procedure synclinkmp_cleanup [2023-11-19 07:58:27,209 INFO L138 BoogieDeclarations]: Found implementation of procedure synclinkmp_cleanup [2023-11-19 07:58:27,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:58:27,209 INFO L130 BoogieDeclarations]: Found specification of procedure dtr_rts [2023-11-19 07:58:27,209 INFO L138 BoogieDeclarations]: Found implementation of procedure dtr_rts [2023-11-19 07:58:27,209 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-19 07:58:27,210 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-19 07:58:27,210 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2023-11-19 07:58:27,210 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2023-11-19 07:58:27,210 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2023-11-19 07:58:27,210 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2023-11-19 07:58:27,210 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-19 07:58:27,211 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-19 07:58:27,211 INFO L130 BoogieDeclarations]: Found specification of procedure tiocmset [2023-11-19 07:58:27,211 INFO L138 BoogieDeclarations]: Found implementation of procedure tiocmset [2023-11-19 07:58:27,211 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-19 07:58:27,212 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-19 07:58:27,212 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2023-11-19 07:58:27,212 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2023-11-19 07:58:27,212 INFO L130 BoogieDeclarations]: Found specification of procedure hdlcdev_tx_timeout [2023-11-19 07:58:27,212 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlcdev_tx_timeout [2023-11-19 07:58:27,213 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 07:58:27,213 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-19 07:58:27,213 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-19 07:58:27,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 07:58:27,214 INFO L130 BoogieDeclarations]: Found specification of procedure release_resources [2023-11-19 07:58:27,214 INFO L138 BoogieDeclarations]: Found implementation of procedure release_resources [2023-11-19 07:58:27,214 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2023-11-19 07:58:27,214 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2023-11-19 07:58:27,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:58:27,215 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2023-11-19 07:58:27,215 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2023-11-19 07:58:27,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 07:58:27,215 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 07:58:27,216 INFO L130 BoogieDeclarations]: Found specification of procedure install [2023-11-19 07:58:27,216 INFO L138 BoogieDeclarations]: Found implementation of procedure install [2023-11-19 07:58:27,216 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_destroy [2023-11-19 07:58:27,217 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_destroy [2023-11-19 07:58:27,217 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-19 07:58:27,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-19 07:58:27,218 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unlock [2023-11-19 07:58:27,218 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unlock [2023-11-19 07:58:27,218 INFO L130 BoogieDeclarations]: Found specification of procedure tx_load_fifo [2023-11-19 07:58:27,218 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_load_fifo [2023-11-19 07:58:27,219 INFO L130 BoogieDeclarations]: Found specification of procedure hdlcdev_tx_done [2023-11-19 07:58:27,219 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlcdev_tx_done [2023-11-19 07:58:27,220 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-11-19 07:58:27,220 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-11-19 07:58:27,220 INFO L130 BoogieDeclarations]: Found specification of procedure program_hw [2023-11-19 07:58:27,220 INFO L138 BoogieDeclarations]: Found implementation of procedure program_hw [2023-11-19 07:58:27,220 INFO L130 BoogieDeclarations]: Found specification of procedure carrier_raised [2023-11-19 07:58:27,220 INFO L138 BoogieDeclarations]: Found implementation of procedure carrier_raised [2023-11-19 07:58:27,221 INFO L130 BoogieDeclarations]: Found specification of procedure reset_port [2023-11-19 07:58:27,222 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_port [2023-11-19 07:58:27,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-19 07:58:27,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-19 07:58:27,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 07:58:27,226 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2023-11-19 07:58:27,226 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2023-11-19 07:58:27,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:58:27,228 INFO L130 BoogieDeclarations]: Found specification of procedure register_test [2023-11-19 07:58:27,228 INFO L138 BoogieDeclarations]: Found implementation of procedure register_test [2023-11-19 07:58:27,228 INFO L130 BoogieDeclarations]: Found specification of procedure flush_buffer [2023-11-19 07:58:27,235 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_buffer [2023-11-19 07:58:27,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 07:58:27,235 INFO L130 BoogieDeclarations]: Found specification of procedure hangup [2023-11-19 07:58:27,235 INFO L138 BoogieDeclarations]: Found implementation of procedure hangup [2023-11-19 07:58:27,235 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-19 07:58:27,235 INFO L130 BoogieDeclarations]: Found specification of procedure bh_handler [2023-11-19 07:58:27,236 INFO L138 BoogieDeclarations]: Found implementation of procedure bh_handler [2023-11-19 07:58:27,236 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2023-11-19 07:58:27,236 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2023-11-19 07:58:27,236 INFO L130 BoogieDeclarations]: Found specification of procedure write_control_reg [2023-11-19 07:58:27,236 INFO L138 BoogieDeclarations]: Found implementation of procedure write_control_reg [2023-11-19 07:58:27,236 INFO L130 BoogieDeclarations]: Found specification of procedure put_char [2023-11-19 07:58:27,236 INFO L138 BoogieDeclarations]: Found implementation of procedure put_char [2023-11-19 07:58:27,237 INFO L130 BoogieDeclarations]: Found specification of procedure isr_timer [2023-11-19 07:58:27,237 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_timer [2023-11-19 07:58:27,237 INFO L130 BoogieDeclarations]: Found specification of procedure bh_transmit [2023-11-19 07:58:27,237 INFO L138 BoogieDeclarations]: Found implementation of procedure bh_transmit [2023-11-19 07:58:27,237 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-19 07:58:27,237 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-19 07:58:27,237 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_mode [2023-11-19 07:58:27,237 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_mode [2023-11-19 07:58:27,238 INFO L130 BoogieDeclarations]: Found specification of procedure send_xchar [2023-11-19 07:58:27,238 INFO L138 BoogieDeclarations]: Found implementation of procedure send_xchar [2023-11-19 07:58:27,238 INFO L130 BoogieDeclarations]: Found specification of procedure tiocmget [2023-11-19 07:58:27,238 INFO L138 BoogieDeclarations]: Found implementation of procedure tiocmget [2023-11-19 07:58:27,238 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg16 [2023-11-19 07:58:27,238 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg16 [2023-11-19 07:58:27,238 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-11-19 07:58:27,239 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-11-19 07:58:27,239 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-19 07:58:27,239 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-19 07:58:27,239 INFO L130 BoogieDeclarations]: Found specification of procedure trace_block [2023-11-19 07:58:27,239 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_block [2023-11-19 07:58:27,239 INFO L130 BoogieDeclarations]: Found specification of procedure tty_lock [2023-11-19 07:58:27,239 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_lock [2023-11-19 07:58:27,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:58:27,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:58:27,240 INFO L130 BoogieDeclarations]: Found specification of procedure read_status_reg [2023-11-19 07:58:27,240 INFO L138 BoogieDeclarations]: Found implementation of procedure read_status_reg [2023-11-19 07:58:27,240 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-19 07:58:27,240 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-19 07:58:27,240 INFO L130 BoogieDeclarations]: Found specification of procedure remove_wait_queue [2023-11-19 07:58:27,240 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_wait_queue [2023-11-19 07:58:27,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 07:58:27,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 07:58:27,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 07:58:27,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 07:58:27,241 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg [2023-11-19 07:58:27,241 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg [2023-11-19 07:58:27,242 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-19 07:58:27,242 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-19 07:58:27,242 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-19 07:58:27,242 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-19 07:58:27,242 INFO L130 BoogieDeclarations]: Found specification of procedure irq_test [2023-11-19 07:58:27,242 INFO L138 BoogieDeclarations]: Found implementation of procedure irq_test [2023-11-19 07:58:27,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_5 [2023-11-19 07:58:27,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_5 [2023-11-19 07:58:27,243 INFO L130 BoogieDeclarations]: Found specification of procedure flush_chars [2023-11-19 07:58:27,243 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_chars [2023-11-19 07:58:27,243 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_char [2023-11-19 07:58:27,243 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_char [2023-11-19 07:58:27,243 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-19 07:58:27,243 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-19 07:58:27,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 07:58:27,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 07:58:27,244 INFO L130 BoogieDeclarations]: Found specification of procedure tx_stop [2023-11-19 07:58:27,244 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_stop [2023-11-19 07:58:27,244 INFO L130 BoogieDeclarations]: Found specification of procedure sca_init [2023-11-19 07:58:27,244 INFO L138 BoogieDeclarations]: Found implementation of procedure sca_init [2023-11-19 07:58:27,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 07:58:27,244 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 07:58:27,245 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:58:27,245 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:58:27,245 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-19 07:58:27,245 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-19 07:58:27,245 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2023-11-19 07:58:27,245 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2023-11-19 07:58:27,245 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2023-11-19 07:58:27,246 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2023-11-19 07:58:27,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_4 [2023-11-19 07:58:27,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_4 [2023-11-19 07:58:27,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_3 [2023-11-19 07:58:27,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_3 [2023-11-19 07:58:27,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:58:27,246 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-19 07:58:27,246 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-19 07:58:27,247 INFO L130 BoogieDeclarations]: Found specification of procedure rx_free_frame_buffers [2023-11-19 07:58:27,247 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_free_frame_buffers [2023-11-19 07:58:27,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 07:58:27,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-11-19 07:58:27,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-11-19 07:58:27,247 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2023-11-19 07:58:27,247 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2023-11-19 07:58:27,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 07:58:27,248 INFO L130 BoogieDeclarations]: Found specification of procedure set_rate [2023-11-19 07:58:27,248 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rate [2023-11-19 07:58:27,248 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 07:58:27,248 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 07:58:27,248 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl [2023-11-19 07:58:27,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl [2023-11-19 07:58:27,248 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2023-11-19 07:58:27,249 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2023-11-19 07:58:27,249 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-19 07:58:27,249 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-19 07:58:27,249 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue [2023-11-19 07:58:27,249 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wait_queue [2023-11-19 07:58:27,249 INFO L130 BoogieDeclarations]: Found specification of procedure rx_stop [2023-11-19 07:58:27,249 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_stop [2023-11-19 07:58:27,250 INFO L130 BoogieDeclarations]: Found specification of procedure loopback_test [2023-11-19 07:58:27,250 INFO L138 BoogieDeclarations]: Found implementation of procedure loopback_test [2023-11-19 07:58:27,250 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2023-11-19 07:58:27,250 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2023-11-19 07:58:27,250 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hung_up_p [2023-11-19 07:58:27,250 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_hung_up_p [2023-11-19 07:58:27,250 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-19 07:58:27,250 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-19 07:58:27,251 INFO L130 BoogieDeclarations]: Found specification of procedure tx_set_idle [2023-11-19 07:58:27,252 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_set_idle [2023-11-19 07:58:27,255 INFO L130 BoogieDeclarations]: Found specification of procedure set_termios [2023-11-19 07:58:27,256 INFO L138 BoogieDeclarations]: Found implementation of procedure set_termios [2023-11-19 07:58:27,256 INFO L130 BoogieDeclarations]: Found specification of procedure write_room [2023-11-19 07:58:27,256 INFO L138 BoogieDeclarations]: Found implementation of procedure write_room [2023-11-19 07:58:27,256 INFO L130 BoogieDeclarations]: Found specification of procedure enable_loopback [2023-11-19 07:58:27,256 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_loopback [2023-11-19 07:58:27,256 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_3 [2023-11-19 07:58:27,256 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_3 [2023-11-19 07:58:27,257 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-19 07:58:27,257 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-19 07:58:27,258 INFO L130 BoogieDeclarations]: Found specification of procedure throttle [2023-11-19 07:58:27,258 INFO L138 BoogieDeclarations]: Found implementation of procedure throttle [2023-11-19 07:58:27,259 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-11-19 07:58:27,259 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-11-19 07:58:27,259 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 07:58:27,259 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 07:58:27,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:58:27,259 INFO L130 BoogieDeclarations]: Found specification of procedure tx_load_dma_buffer [2023-11-19 07:58:27,259 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_load_dma_buffer [2023-11-19 07:58:27,260 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg16 [2023-11-19 07:58:27,260 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg16 [2023-11-19 07:58:27,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 07:58:27,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 07:58:27,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-19 07:58:27,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-19 07:58:27,260 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-11-19 07:58:27,260 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-11-19 07:58:27,260 INFO L130 BoogieDeclarations]: Found specification of procedure tty_wakeup [2023-11-19 07:58:27,261 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_wakeup [2023-11-19 07:58:27,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2023-11-19 07:58:27,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2023-11-19 07:58:27,261 INFO L130 BoogieDeclarations]: Found specification of procedure get_icount [2023-11-19 07:58:27,261 INFO L138 BoogieDeclarations]: Found implementation of procedure get_icount [2023-11-19 07:58:27,261 INFO L130 BoogieDeclarations]: Found specification of procedure unthrottle [2023-11-19 07:58:27,261 INFO L138 BoogieDeclarations]: Found implementation of procedure unthrottle [2023-11-19 07:58:27,261 INFO L130 BoogieDeclarations]: Found specification of procedure tx_release [2023-11-19 07:58:27,262 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_release [2023-11-19 07:58:27,262 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-11-19 07:58:27,262 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-11-19 07:58:27,262 INFO L130 BoogieDeclarations]: Found specification of procedure rx_get_frame [2023-11-19 07:58:27,262 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_get_frame [2023-11-19 07:58:27,262 INFO L130 BoogieDeclarations]: Found specification of procedure shutdown [2023-11-19 07:58:27,262 INFO L138 BoogieDeclarations]: Found implementation of procedure shutdown [2023-11-19 07:58:27,262 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2023-11-19 07:58:27,263 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2023-11-19 07:58:27,263 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_ioctl [2023-11-19 07:58:27,263 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_ioctl [2023-11-19 07:58:27,263 INFO L130 BoogieDeclarations]: Found specification of procedure get_signals [2023-11-19 07:58:27,263 INFO L138 BoogieDeclarations]: Found implementation of procedure get_signals [2023-11-19 07:58:27,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:58:27,263 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2023-11-19 07:58:27,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2023-11-19 07:58:27,264 INFO L130 BoogieDeclarations]: Found specification of procedure rx_start [2023-11-19 07:58:27,264 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_start [2023-11-19 07:58:27,264 INFO L130 BoogieDeclarations]: Found specification of procedure sanity_check [2023-11-19 07:58:27,264 INFO L138 BoogieDeclarations]: Found implementation of procedure sanity_check [2023-11-19 07:58:28,508 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:58:28,517 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:58:28,860 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 07:59:06,417 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:59:06,461 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:59:06,461 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 07:59:06,486 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:59:06 BoogieIcfgContainer [2023-11-19 07:59:06,486 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:59:06,491 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:59:06,491 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:59:06,495 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:59:06,495 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:58:20" (1/3) ... [2023-11-19 07:59:06,497 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73872af7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:59:06, skipping insertion in model container [2023-11-19 07:59:06,498 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:25" (2/3) ... [2023-11-19 07:59:06,499 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73872af7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:59:06, skipping insertion in model container [2023-11-19 07:59:06,499 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:59:06" (3/3) ... [2023-11-19 07:59:06,500 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--tty--synclinkmp.ko-entry_point.cil.out.i [2023-11-19 07:59:06,521 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:59:06,521 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:59:06,668 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:59:06,680 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=PETRI_NET, 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;@3f0cdd18, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:59:06,680 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:59:06,706 INFO L276 IsEmpty]: Start isEmpty. Operand has 4224 states, 3128 states have (on average 1.493925831202046) internal successors, (4673), 3217 states have internal predecessors, (4673), 960 states have call successors, (960), 135 states have call predecessors, (960), 134 states have return successors, (948), 933 states have call predecessors, (948), 948 states have call successors, (948) [2023-11-19 07:59:06,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2023-11-19 07:59:06,758 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:59:06,759 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:59:06,760 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:59:06,766 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:59:06,766 INFO L85 PathProgramCache]: Analyzing trace with hash -557679666, now seen corresponding path program 1 times [2023-11-19 07:59:06,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:59:06,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038429728] [2023-11-19 07:59:06,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:59:06,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:59:07,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:07,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:59:07,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:07,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:59:07,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:07,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:59:07,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:07,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-19 07:59:07,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:07,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:59:08,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:08,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:59:08,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:08,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 07:59:08,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:08,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:59:08,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:08,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:59:08,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:08,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-19 07:59:08,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:08,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:59:08,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:08,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:59:08,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:08,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-19 07:59:08,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:08,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:59:08,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:08,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:59:08,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:08,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-19 07:59:08,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:08,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:59:08,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:08,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:59:08,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:08,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-19 07:59:08,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:08,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:59:08,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:08,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:59:08,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:08,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-19 07:59:08,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:08,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:59:08,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:08,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:59:08,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:08,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-11-19 07:59:08,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:08,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:59:08,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:08,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:59:08,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:08,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-11-19 07:59:08,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:08,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:59:08,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:08,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:59:08,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:08,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-11-19 07:59:08,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:08,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:59:08,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:08,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:59:08,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:08,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-11-19 07:59:08,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:08,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:59:08,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:08,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-19 07:59:08,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:08,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:59:08,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:08,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2023-11-19 07:59:08,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:08,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:59:08,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:08,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-11-19 07:59:08,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:08,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:59:08,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:08,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2023-11-19 07:59:08,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:08,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:59:08,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:08,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2023-11-19 07:59:08,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:08,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:59:08,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:08,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2023-11-19 07:59:08,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:08,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:59:08,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:08,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2023-11-19 07:59:08,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:08,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:59:08,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:08,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2023-11-19 07:59:08,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:08,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:59:09,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:09,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2023-11-19 07:59:09,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:09,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:59:09,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:09,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2023-11-19 07:59:09,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:09,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:59:09,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:09,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2023-11-19 07:59:09,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:09,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:59:09,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:09,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2023-11-19 07:59:09,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:09,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:59:09,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:09,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2023-11-19 07:59:09,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:09,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:59:09,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:09,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2023-11-19 07:59:09,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:09,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:59:09,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:09,208 INFO L134 CoverageAnalysis]: Checked inductivity of 1715 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1715 trivial. 0 not checked. [2023-11-19 07:59:09,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:59:09,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038429728] [2023-11-19 07:59:09,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2038429728] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:59:09,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:59:09,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:59:09,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307959803] [2023-11-19 07:59:09,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:59:09,221 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:59:09,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:59:09,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:59:09,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:59:09,273 INFO L87 Difference]: Start difference. First operand has 4224 states, 3128 states have (on average 1.493925831202046) internal successors, (4673), 3217 states have internal predecessors, (4673), 960 states have call successors, (960), 135 states have call predecessors, (960), 134 states have return successors, (948), 933 states have call predecessors, (948), 948 states have call successors, (948) Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (32), 5 states have call predecessors, (32), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29)