./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--usb--class--cdc-acm.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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd616eda-e555-43a6-a004-0a964c85068b/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd616eda-e555-43a6-a004-0a964c85068b/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_dd616eda-e555-43a6-a004-0a964c85068b/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd616eda-e555-43a6-a004-0a964c85068b/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--usb--class--cdc-acm.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd616eda-e555-43a6-a004-0a964c85068b/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_dd616eda-e555-43a6-a004-0a964c85068b/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 234112184b071eb42f340136dfce6e1a552d788d086baea007a05a3140f2d157 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 08:05:50,032 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:05:50,149 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd616eda-e555-43a6-a004-0a964c85068b/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-19 08:05:50,157 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:05:50,158 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:05:50,194 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:05:50,195 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:05:50,196 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:05:50,197 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 08:05:50,202 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 08:05:50,202 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:05:50,203 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:05:50,203 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:05:50,205 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:05:50,206 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 08:05:50,206 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 08:05:50,207 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:05:50,207 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 08:05:50,208 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 08:05:50,208 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 08:05:50,209 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 08:05:50,209 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:05:50,210 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:05:50,211 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:05:50,211 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 08:05:50,212 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:05:50,212 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:05:50,213 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 08:05:50,213 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 08:05:50,213 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 08:05:50,215 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 08:05:50,215 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 08:05:50,216 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 08:05:50,216 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 08:05:50,216 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 08:05:50,217 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 08:05:50,217 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_dd616eda-e555-43a6-a004-0a964c85068b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd616eda-e555-43a6-a004-0a964c85068b/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 234112184b071eb42f340136dfce6e1a552d788d086baea007a05a3140f2d157 [2023-11-19 08:05:50,548 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:05:50,582 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:05:50,585 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:05:50,586 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:05:50,587 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:05:50,588 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd616eda-e555-43a6-a004-0a964c85068b/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i [2023-11-19 08:05:53,777 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:05:54,461 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:05:54,461 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd616eda-e555-43a6-a004-0a964c85068b/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i [2023-11-19 08:05:54,516 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd616eda-e555-43a6-a004-0a964c85068b/bin/uautomizer-verify-uCwYo4JHxu/data/f169344d8/d2bd96252a224161817f8d1fc4f26e76/FLAGb347f21ce [2023-11-19 08:05:54,534 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd616eda-e555-43a6-a004-0a964c85068b/bin/uautomizer-verify-uCwYo4JHxu/data/f169344d8/d2bd96252a224161817f8d1fc4f26e76 [2023-11-19 08:05:54,540 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:05:54,543 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:05:54,546 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:05:54,547 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:05:54,553 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:05:54,554 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:05:54" (1/1) ... [2023-11-19 08:05:54,555 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1166530e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:54, skipping insertion in model container [2023-11-19 08:05:54,555 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:05:54" (1/1) ... [2023-11-19 08:05:54,774 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:05:56,879 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_dd616eda-e555-43a6-a004-0a964c85068b/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i[254896,254909] [2023-11-19 08:05:56,999 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:05:57,101 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 08:05:57,196 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [3885] [2023-11-19 08:05:57,198 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [3887] [2023-11-19 08:05:57,200 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"); [3897] [2023-11-19 08:05:57,203 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [3904] [2023-11-19 08:05:57,204 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 %2, %0; setc %1": "+m" (*addr), "=qm" (c): "Ir" (nr): "memory"); [3912-3913] [2023-11-19 08:05:57,205 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)); [3927-3928] [2023-11-19 08:05:57,218 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [4059] [2023-11-19 08:05:57,218 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4062] [2023-11-19 08:05:57,219 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4065] [2023-11-19 08:05:57,219 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4068] [2023-11-19 08:05:57,221 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; cmpxchgb %2,%1": "=a" (__ret), "+m" (*__ptr): "q" (__new), "0" (__old): "memory"); [4107-4108] [2023-11-19 08:05:57,222 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; cmpxchgw %2,%1": "=a" (__ret), "+m" (*__ptr___0): "r" (__new), "0" (__old): "memory"); [4112-4113] [2023-11-19 08:05:57,222 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; cmpxchgl %2,%1": "=a" (__ret), "+m" (*__ptr___1): "r" (__new), "0" (__old): "memory"); [4117-4118] [2023-11-19 08:05:57,223 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; cmpxchgq %2,%1": "=a" (__ret), "+m" (*__ptr___2): "r" (__new), "0" (__old): "memory"); [4122-4123] [2023-11-19 08:05:57,301 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [5263] [2023-11-19 08:05:57,481 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret), "+m" (tmp___1->state): : "memory", "cc"); [5901-5902] [2023-11-19 08:05:57,482 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret), "+m" (tmp___2->state): : "memory", "cc"); [5906-5907] [2023-11-19 08:05:57,482 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret), "+m" (tmp___3->state): : "memory", "cc"); [5911-5912] [2023-11-19 08:05:57,483 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret), "+m" (tmp___4->state): : "memory", "cc"); [5916-5917] [2023-11-19 08:05:57,607 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_dd616eda-e555-43a6-a004-0a964c85068b/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i[254896,254909] [2023-11-19 08:05:57,620 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:05:57,876 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 08:05:57,876 WARN L675 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 08:05:57,876 WARN L675 CHandler]: The function __cmpxchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 08:05:57,877 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 08:05:57,877 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 08:05:57,885 INFO L206 MainTranslator]: Completed translation [2023-11-19 08:05:57,886 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:57 WrapperNode [2023-11-19 08:05:57,886 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:05:57,887 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 08:05:57,888 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 08:05:57,888 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 08:05:57,896 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:57" (1/1) ... [2023-11-19 08:05:58,055 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:57" (1/1) ... [2023-11-19 08:05:58,411 INFO L138 Inliner]: procedures = 286, calls = 3982, calls flagged for inlining = 142, calls inlined = 121, statements flattened = 8346 [2023-11-19 08:05:58,413 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 08:05:58,414 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 08:05:58,414 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 08:05:58,415 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 08:05:58,427 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:57" (1/1) ... [2023-11-19 08:05:58,428 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:57" (1/1) ... [2023-11-19 08:05:58,505 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:57" (1/1) ... [2023-11-19 08:05:58,506 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:57" (1/1) ... [2023-11-19 08:05:58,696 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:57" (1/1) ... [2023-11-19 08:05:58,792 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:57" (1/1) ... [2023-11-19 08:05:58,821 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:57" (1/1) ... [2023-11-19 08:05:58,840 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:57" (1/1) ... [2023-11-19 08:05:58,898 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 08:05:58,900 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 08:05:58,900 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 08:05:58,900 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 08:05:58,901 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:57" (1/1) ... [2023-11-19 08:05:58,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:05:58,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd616eda-e555-43a6-a004-0a964c85068b/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:05:58,935 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd616eda-e555-43a6-a004-0a964c85068b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 08:05:58,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd616eda-e555-43a6-a004-0a964c85068b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 08:05:58,976 INFO L130 BoogieDeclarations]: Found specification of procedure acm_disconnect [2023-11-19 08:05:58,976 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_disconnect [2023-11-19 08:05:58,977 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_hangup [2023-11-19 08:05:58,977 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_hangup [2023-11-19 08:05:58,977 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2023-11-19 08:05:58,977 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2023-11-19 08:05:58,978 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2023-11-19 08:05:58,978 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2023-11-19 08:05:58,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 08:05:58,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 08:05:58,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 08:05:58,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 08:05:58,980 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 08:05:58,982 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 08:05:58,982 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2023-11-19 08:05:58,982 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2023-11-19 08:05:58,983 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_cleanup [2023-11-19 08:05:58,983 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_cleanup [2023-11-19 08:05:58,983 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2023-11-19 08:05:58,983 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2023-11-19 08:05:58,983 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-19 08:05:58,983 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-19 08:05:58,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-19 08:05:58,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-19 08:05:58,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 08:05:58,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 08:05:58,984 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2023-11-19 08:05:58,984 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2023-11-19 08:05:58,984 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2023-11-19 08:05:58,985 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2023-11-19 08:05:58,985 INFO L130 BoogieDeclarations]: Found specification of procedure acm_write_buffers_free [2023-11-19 08:05:58,985 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_write_buffers_free [2023-11-19 08:05:58,985 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-19 08:05:58,985 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-19 08:05:58,985 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2023-11-19 08:05:58,985 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2023-11-19 08:05:58,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 08:05:58,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 08:05:58,986 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2023-11-19 08:05:58,986 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2023-11-19 08:05:58,986 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2023-11-19 08:05:58,986 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2023-11-19 08:05:58,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 08:05:58,987 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 08:05:58,987 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 08:05:58,987 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 08:05:58,988 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-19 08:05:58,989 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-19 08:05:58,989 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_put [2023-11-19 08:05:58,990 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_put [2023-11-19 08:05:58,990 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_chars_in_buffer [2023-11-19 08:05:58,990 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_chars_in_buffer [2023-11-19 08:05:58,991 INFO L130 BoogieDeclarations]: Found specification of procedure acm_resume [2023-11-19 08:05:58,991 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_resume [2023-11-19 08:05:58,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 08:05:58,991 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-19 08:05:58,991 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-19 08:05:58,992 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-19 08:05:58,992 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 08:05:58,992 INFO L130 BoogieDeclarations]: Found specification of procedure acm_ctrl_msg [2023-11-19 08:05:58,992 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_ctrl_msg [2023-11-19 08:05:58,993 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2023-11-19 08:05:58,993 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2023-11-19 08:05:58,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 08:05:58,993 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_hangup [2023-11-19 08:05:58,993 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_hangup [2023-11-19 08:05:58,993 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2023-11-19 08:05:58,994 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2023-11-19 08:05:58,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-11-19 08:05:58,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-11-19 08:05:58,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-19 08:05:58,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-19 08:05:58,995 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-19 08:05:58,995 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-19 08:05:58,995 INFO L130 BoogieDeclarations]: Found specification of procedure acm_softint [2023-11-19 08:05:58,995 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_softint [2023-11-19 08:05:58,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 08:05:58,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 08:05:58,996 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-19 08:05:58,996 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-19 08:05:58,996 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2023-11-19 08:05:58,996 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2023-11-19 08:05:58,996 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2023-11-19 08:05:58,997 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2023-11-19 08:05:58,997 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-19 08:05:58,997 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-19 08:05:58,997 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-19 08:05:58,997 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-19 08:05:58,997 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_tiocmget [2023-11-19 08:05:58,998 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_tiocmget [2023-11-19 08:05:58,998 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2023-11-19 08:05:58,998 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2023-11-19 08:05:58,998 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_set_termios [2023-11-19 08:05:58,999 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_set_termios [2023-11-19 08:05:58,999 INFO L130 BoogieDeclarations]: Found specification of procedure usb_clear_halt [2023-11-19 08:05:58,999 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_clear_halt [2023-11-19 08:05:58,999 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_from_anchor [2023-11-19 08:05:59,000 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_from_anchor [2023-11-19 08:05:59,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 08:05:59,000 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_break_ctl [2023-11-19 08:05:59,000 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_break_ctl [2023-11-19 08:05:59,001 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-19 08:05:59,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-19 08:05:59,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 08:05:59,001 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2023-11-19 08:05:59,002 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2023-11-19 08:05:59,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 08:05:59,002 INFO L130 BoogieDeclarations]: Found specification of procedure acm_start_wb [2023-11-19 08:05:59,002 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_start_wb [2023-11-19 08:05:59,002 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2023-11-19 08:05:59,002 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2023-11-19 08:05:59,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 08:05:59,003 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 08:05:59,003 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-11-19 08:05:59,003 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-11-19 08:05:59,003 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_throttle [2023-11-19 08:05:59,004 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_throttle [2023-11-19 08:05:59,004 INFO L130 BoogieDeclarations]: Found specification of procedure acm_wb_is_avail [2023-11-19 08:05:59,004 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_wb_is_avail [2023-11-19 08:05:59,004 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-19 08:05:59,005 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-19 08:05:59,005 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2023-11-19 08:05:59,005 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2023-11-19 08:05:59,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-19 08:05:59,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-19 08:05:59,005 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_write_room [2023-11-19 08:05:59,005 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_write_room [2023-11-19 08:05:59,006 INFO L130 BoogieDeclarations]: Found specification of procedure acm_submit_read_urb [2023-11-19 08:05:59,007 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_submit_read_urb [2023-11-19 08:05:59,007 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2023-11-19 08:05:59,008 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2023-11-19 08:05:59,008 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 08:05:59,012 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 08:05:59,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 08:05:59,012 INFO L130 BoogieDeclarations]: Found specification of procedure acm_set_control [2023-11-19 08:05:59,012 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_set_control [2023-11-19 08:05:59,013 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-11-19 08:05:59,013 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-11-19 08:05:59,014 INFO L130 BoogieDeclarations]: Found specification of procedure acm_write_done [2023-11-19 08:05:59,015 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_write_done [2023-11-19 08:05:59,016 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-11-19 08:05:59,021 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-11-19 08:05:59,021 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_ioctl [2023-11-19 08:05:59,021 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_ioctl [2023-11-19 08:05:59,022 INFO L130 BoogieDeclarations]: Found specification of procedure acm_release_minor [2023-11-19 08:05:59,022 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_release_minor [2023-11-19 08:05:59,022 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-11-19 08:05:59,022 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-11-19 08:05:59,022 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 08:05:59,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 08:05:59,022 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2023-11-19 08:05:59,023 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2023-11-19 08:05:59,023 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface_async [2023-11-19 08:05:59,023 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface_async [2023-11-19 08:05:59,023 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_unthrottle [2023-11-19 08:05:59,024 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_unthrottle [2023-11-19 08:05:59,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-19 08:05:59,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-19 08:05:59,024 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 08:05:59,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-19 08:05:59,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-19 08:05:59,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 08:05:59,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 08:05:59,025 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-19 08:05:59,025 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-11-19 08:05:59,025 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-11-19 08:05:59,026 INFO L130 BoogieDeclarations]: Found specification of procedure acm_port_dtr_rts [2023-11-19 08:05:59,026 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_port_dtr_rts [2023-11-19 08:05:59,026 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-11-19 08:05:59,026 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-11-19 08:05:59,026 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2023-11-19 08:05:59,026 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2023-11-19 08:05:59,026 INFO L130 BoogieDeclarations]: Found specification of procedure acm_read_buffers_free [2023-11-19 08:05:59,026 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_read_buffers_free [2023-11-19 08:05:59,027 INFO L130 BoogieDeclarations]: Found specification of procedure acm_submit_read_urbs [2023-11-19 08:05:59,027 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_submit_read_urbs [2023-11-19 08:05:59,027 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_install [2023-11-19 08:05:59,027 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_install [2023-11-19 08:05:59,027 INFO L130 BoogieDeclarations]: Found specification of procedure stop_data_traffic [2023-11-19 08:05:59,027 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_data_traffic [2023-11-19 08:05:59,027 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-11-19 08:05:59,028 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-11-19 08:05:59,028 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-19 08:05:59,028 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-19 08:05:59,028 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-11-19 08:05:59,028 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-11-19 08:05:59,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 08:05:59,028 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2023-11-19 08:05:59,028 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2023-11-19 08:05:59,029 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2023-11-19 08:05:59,029 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2023-11-19 08:05:59,029 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_tiocmset [2023-11-19 08:05:59,029 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_tiocmset [2023-11-19 08:05:59,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 08:05:59,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 08:05:59,029 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_driver [2023-11-19 08:05:59,030 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_driver [2023-11-19 08:05:59,030 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-19 08:05:59,030 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-19 08:05:59,769 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 08:05:59,778 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 08:06:00,092 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 08:06:19,626 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 08:06:19,647 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 08:06:19,648 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 08:06:19,660 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:06:19 BoogieIcfgContainer [2023-11-19 08:06:19,660 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 08:06:19,663 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 08:06:19,663 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 08:06:19,667 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 08:06:19,667 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:05:54" (1/3) ... [2023-11-19 08:06:19,668 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@152cd839 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:06:19, skipping insertion in model container [2023-11-19 08:06:19,668 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:57" (2/3) ... [2023-11-19 08:06:19,669 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@152cd839 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:06:19, skipping insertion in model container [2023-11-19 08:06:19,669 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:06:19" (3/3) ... [2023-11-19 08:06:19,670 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i [2023-11-19 08:06:19,691 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 08:06:19,692 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 08:06:19,788 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 08:06:19,795 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;@50fa0bc8, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 08:06:19,796 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 08:06:19,811 INFO L276 IsEmpty]: Start isEmpty. Operand has 1684 states, 1215 states have (on average 1.3728395061728396) internal successors, (1668), 1243 states have internal predecessors, (1668), 379 states have call successors, (379), 89 states have call predecessors, (379), 88 states have return successors, (370), 369 states have call predecessors, (370), 370 states have call successors, (370) [2023-11-19 08:06:19,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2023-11-19 08:06:19,874 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:06:19,876 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:06:19,876 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:06:19,883 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:06:19,883 INFO L85 PathProgramCache]: Analyzing trace with hash -1122003152, now seen corresponding path program 1 times [2023-11-19 08:06:19,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:06:19,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132831861] [2023-11-19 08:06:19,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:06:19,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms