./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bdea9cd-4879-497f-8b6c-363405f9d699/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bdea9cd-4879-497f-8b6c-363405f9d699/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bdea9cd-4879-497f-8b6c-363405f9d699/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bdea9cd-4879-497f-8b6c-363405f9d699/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-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_2bdea9cd-4879-497f-8b6c-363405f9d699/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bdea9cd-4879-497f-8b6c-363405f9d699/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 36ffbabf76f0a0e87302d8b80308134217d4fdef380ae154dfcdec710817c6e2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:21:46,477 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:21:46,586 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bdea9cd-4879-497f-8b6c-363405f9d699/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-19 05:21:46,602 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:21:46,602 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:21:46,662 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:21:46,665 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:21:46,666 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:21:46,667 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:21:46,672 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:21:46,672 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:21:46,674 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:21:46,674 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:21:46,676 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:21:46,676 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:21:46,677 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:21:46,677 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:21:46,678 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:21:46,678 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:21:46,679 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:21:46,680 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:21:46,681 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:21:46,691 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:21:46,692 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:21:46,692 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:21:46,693 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:21:46,693 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:21:46,694 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:21:46,694 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:21:46,694 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:21:46,696 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:21:46,696 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:21:46,696 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:21:46,697 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:21:46,697 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:21:46,697 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:21:46,698 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:21:46,698 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:21:46,698 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:21:46,698 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:21:46,699 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:21:46,699 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:21:46,699 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bdea9cd-4879-497f-8b6c-363405f9d699/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bdea9cd-4879-497f-8b6c-363405f9d699/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 36ffbabf76f0a0e87302d8b80308134217d4fdef380ae154dfcdec710817c6e2 [2023-11-19 05:21:47,028 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:21:47,075 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:21:47,078 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:21:47,080 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:21:47,083 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:21:47,085 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bdea9cd-4879-497f-8b6c-363405f9d699/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i [2023-11-19 05:21:50,298 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:21:50,942 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:21:50,942 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bdea9cd-4879-497f-8b6c-363405f9d699/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i [2023-11-19 05:21:51,032 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bdea9cd-4879-497f-8b6c-363405f9d699/bin/utaipan-verify-t7M7D8N6sZ/data/debf2b959/b4e9e2e876b14653a7f4d90f9c8a6f96/FLAG55c9a19a9 [2023-11-19 05:21:51,052 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bdea9cd-4879-497f-8b6c-363405f9d699/bin/utaipan-verify-t7M7D8N6sZ/data/debf2b959/b4e9e2e876b14653a7f4d90f9c8a6f96 [2023-11-19 05:21:51,061 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:21:51,063 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:21:51,069 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:21:51,069 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:21:51,075 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:21:51,076 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:21:51" (1/1) ... [2023-11-19 05:21:51,077 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69ce60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:51, skipping insertion in model container [2023-11-19 05:21:51,078 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:21:51" (1/1) ... [2023-11-19 05:21:51,218 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:21:51,780 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3834] [2023-11-19 05:21:51,781 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3835-3836] [2023-11-19 05:21:52,306 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_2bdea9cd-4879-497f-8b6c-363405f9d699/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i[119274,119287] [2023-11-19 05:21:53,415 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:21:53,473 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:21:53,564 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3834] [2023-11-19 05:21:53,564 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3835-3836] [2023-11-19 05:21:53,567 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"); [3918] [2023-11-19 05:21:53,569 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [3925] [2023-11-19 05:21:53,570 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"); [3933-3934] [2023-11-19 05:21:53,572 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)); [3948-3949] [2023-11-19 05:21:53,573 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [3980] [2023-11-19 05:21:53,574 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3983] [2023-11-19 05:21:53,574 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3986] [2023-11-19 05:21:53,575 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3989] [2023-11-19 05:21:53,577 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"); [4038-4039] [2023-11-19 05:21:53,578 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"); [4043-4044] [2023-11-19 05:21:53,578 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"); [4048-4049] [2023-11-19 05:21:53,579 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"); [4053-4054] [2023-11-19 05:21:53,588 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_2bdea9cd-4879-497f-8b6c-363405f9d699/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i[119274,119287] [2023-11-19 05:21:53,828 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret), "+m" (tmp___0->state): : "memory", "cc"); [5875-5876] [2023-11-19 05:21:53,829 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret), "+m" (tmp___1->state): : "memory", "cc"); [5880-5881] [2023-11-19 05:21:53,830 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret), "+m" (tmp___2->state): : "memory", "cc"); [5885-5886] [2023-11-19 05:21:53,830 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret), "+m" (tmp___3->state): : "memory", "cc"); [5890-5891] [2023-11-19 05:21:54,003 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:21:54,242 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:21:54,243 WARN L675 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:21:54,243 WARN L675 CHandler]: The function __cmpxchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:21:54,243 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:21:54,243 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:21:54,254 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:21:54,255 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:54 WrapperNode [2023-11-19 05:21:54,255 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:21:54,257 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:21:54,258 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:21:54,258 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:21:54,268 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:54" (1/1) ... [2023-11-19 05:21:54,422 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:54" (1/1) ... [2023-11-19 05:21:54,666 INFO L138 Inliner]: procedures = 264, calls = 3816, calls flagged for inlining = 133, calls inlined = 113, statements flattened = 6847 [2023-11-19 05:21:54,666 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:21:54,667 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:21:54,667 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:21:54,667 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:21:54,679 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:54" (1/1) ... [2023-11-19 05:21:54,679 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:54" (1/1) ... [2023-11-19 05:21:54,711 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:54" (1/1) ... [2023-11-19 05:21:54,712 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:54" (1/1) ... [2023-11-19 05:21:55,033 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:54" (1/1) ... [2023-11-19 05:21:55,065 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:54" (1/1) ... [2023-11-19 05:21:55,111 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:54" (1/1) ... [2023-11-19 05:21:55,134 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:54" (1/1) ... [2023-11-19 05:21:55,188 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:21:55,189 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:21:55,189 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:21:55,189 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:21:55,190 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:54" (1/1) ... [2023-11-19 05:21:55,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:21:55,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bdea9cd-4879-497f-8b6c-363405f9d699/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:21:55,223 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bdea9cd-4879-497f-8b6c-363405f9d699/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:21:55,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bdea9cd-4879-497f-8b6c-363405f9d699/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:21:55,273 INFO L130 BoogieDeclarations]: Found specification of procedure acm_disconnect [2023-11-19 05:21:55,274 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_disconnect [2023-11-19 05:21:55,275 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_hangup [2023-11-19 05:21:55,275 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_hangup [2023-11-19 05:21:55,275 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2023-11-19 05:21:55,276 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2023-11-19 05:21:55,278 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2023-11-19 05:21:55,278 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2023-11-19 05:21:55,278 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2023-11-19 05:21:55,279 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2023-11-19 05:21:55,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 05:21:55,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 05:21:55,280 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 05:21:55,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 05:21:55,280 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2023-11-19 05:21:55,281 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2023-11-19 05:21:55,281 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_cleanup [2023-11-19 05:21:55,282 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_cleanup [2023-11-19 05:21:55,282 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-19 05:21:55,282 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-19 05:21:55,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-19 05:21:55,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-19 05:21:55,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 05:21:55,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 05:21:55,283 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2023-11-19 05:21:55,283 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2023-11-19 05:21:55,283 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2023-11-19 05:21:55,283 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2023-11-19 05:21:55,284 INFO L130 BoogieDeclarations]: Found specification of procedure acm_write_buffers_free [2023-11-19 05:21:55,284 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_write_buffers_free [2023-11-19 05:21:55,284 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-19 05:21:55,284 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-19 05:21:55,284 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2023-11-19 05:21:55,284 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2023-11-19 05:21:55,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 05:21:55,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 05:21:55,285 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2023-11-19 05:21:55,285 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2023-11-19 05:21:55,286 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2023-11-19 05:21:55,287 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2023-11-19 05:21:55,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 05:21:55,291 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 05:21:55,291 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:21:55,291 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:21:55,292 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-19 05:21:55,292 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-19 05:21:55,292 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_put [2023-11-19 05:21:55,292 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_put [2023-11-19 05:21:55,292 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_chars_in_buffer [2023-11-19 05:21:55,292 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_chars_in_buffer [2023-11-19 05:21:55,293 INFO L130 BoogieDeclarations]: Found specification of procedure acm_resume [2023-11-19 05:21:55,293 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_resume [2023-11-19 05:21:55,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 05:21:55,293 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-19 05:21:55,293 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-19 05:21:55,294 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-19 05:21:55,294 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 05:21:55,294 INFO L130 BoogieDeclarations]: Found specification of procedure acm_ctrl_msg [2023-11-19 05:21:55,294 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_ctrl_msg [2023-11-19 05:21:55,294 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2023-11-19 05:21:55,295 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2023-11-19 05:21:55,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 05:21:55,295 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_hangup [2023-11-19 05:21:55,296 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_hangup [2023-11-19 05:21:55,296 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2023-11-19 05:21:55,296 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2023-11-19 05:21:55,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-11-19 05:21:55,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-11-19 05:21:55,296 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-19 05:21:55,296 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-19 05:21:55,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 05:21:55,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 05:21:55,297 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-11-19 05:21:55,297 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-11-19 05:21:55,297 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-19 05:21:55,297 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-19 05:21:55,297 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2023-11-19 05:21:55,298 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2023-11-19 05:21:55,298 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-19 05:21:55,298 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-19 05:21:55,298 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_tiocmget [2023-11-19 05:21:55,298 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_tiocmget [2023-11-19 05:21:55,298 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2023-11-19 05:21:55,298 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2023-11-19 05:21:55,299 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_set_termios [2023-11-19 05:21:55,299 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_set_termios [2023-11-19 05:21:55,299 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_from_anchor [2023-11-19 05:21:55,299 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_from_anchor [2023-11-19 05:21:55,299 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2023-11-19 05:21:55,300 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2023-11-19 05:21:55,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 05:21:55,300 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-19 05:21:55,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-19 05:21:55,300 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-11-19 05:21:55,300 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-11-19 05:21:55,301 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_break_ctl [2023-11-19 05:21:55,301 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_break_ctl [2023-11-19 05:21:55,302 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-19 05:21:55,302 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-19 05:21:55,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 05:21:55,302 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2023-11-19 05:21:55,302 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2023-11-19 05:21:55,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 05:21:55,302 INFO L130 BoogieDeclarations]: Found specification of procedure acm_start_wb [2023-11-19 05:21:55,303 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_start_wb [2023-11-19 05:21:55,303 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2023-11-19 05:21:55,303 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2023-11-19 05:21:55,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 05:21:55,303 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 05:21:55,303 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-11-19 05:21:55,303 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-11-19 05:21:55,303 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_throttle [2023-11-19 05:21:55,304 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_throttle [2023-11-19 05:21:55,304 INFO L130 BoogieDeclarations]: Found specification of procedure acm_wb_is_avail [2023-11-19 05:21:55,304 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_wb_is_avail [2023-11-19 05:21:55,304 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-19 05:21:55,304 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-19 05:21:55,304 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2023-11-19 05:21:55,305 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2023-11-19 05:21:55,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-19 05:21:55,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-19 05:21:55,306 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_write_room [2023-11-19 05:21:55,306 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_write_room [2023-11-19 05:21:55,307 INFO L130 BoogieDeclarations]: Found specification of procedure acm_submit_read_urb [2023-11-19 05:21:55,307 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_submit_read_urb [2023-11-19 05:21:55,310 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2023-11-19 05:21:55,310 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2023-11-19 05:21:55,311 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 05:21:55,311 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 05:21:55,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 05:21:55,311 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-11-19 05:21:55,312 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-11-19 05:21:55,312 INFO L130 BoogieDeclarations]: Found specification of procedure acm_write_done [2023-11-19 05:21:55,313 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_write_done [2023-11-19 05:21:55,318 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-11-19 05:21:55,318 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-11-19 05:21:55,318 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_ioctl [2023-11-19 05:21:55,318 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_ioctl [2023-11-19 05:21:55,318 INFO L130 BoogieDeclarations]: Found specification of procedure acm_release_minor [2023-11-19 05:21:55,319 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_release_minor [2023-11-19 05:21:55,319 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-11-19 05:21:55,319 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-11-19 05:21:55,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 05:21:55,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 05:21:55,319 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface_async [2023-11-19 05:21:55,319 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface_async [2023-11-19 05:21:55,319 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_unthrottle [2023-11-19 05:21:55,319 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_unthrottle [2023-11-19 05:21:55,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 05:21:55,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:21:55,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 05:21:55,320 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-19 05:21:55,320 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2023-11-19 05:21:55,320 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2023-11-19 05:21:55,320 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-11-19 05:21:55,320 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-11-19 05:21:55,320 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2023-11-19 05:21:55,321 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2023-11-19 05:21:55,321 INFO L130 BoogieDeclarations]: Found specification of procedure acm_port_dtr_rts [2023-11-19 05:21:55,321 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_port_dtr_rts [2023-11-19 05:21:55,321 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-11-19 05:21:55,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-11-19 05:21:55,321 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2023-11-19 05:21:55,321 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2023-11-19 05:21:55,321 INFO L130 BoogieDeclarations]: Found specification of procedure acm_read_buffers_free [2023-11-19 05:21:55,321 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_read_buffers_free [2023-11-19 05:21:55,322 INFO L130 BoogieDeclarations]: Found specification of procedure acm_submit_read_urbs [2023-11-19 05:21:55,322 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_submit_read_urbs [2023-11-19 05:21:55,322 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_install [2023-11-19 05:21:55,322 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_install [2023-11-19 05:21:55,322 INFO L130 BoogieDeclarations]: Found specification of procedure stop_data_traffic [2023-11-19 05:21:55,322 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_data_traffic [2023-11-19 05:21:55,322 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-11-19 05:21:55,322 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-11-19 05:21:55,322 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-19 05:21:55,322 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-19 05:21:55,323 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-11-19 05:21:55,323 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-11-19 05:21:55,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:21:55,323 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2023-11-19 05:21:55,323 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2023-11-19 05:21:55,323 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2023-11-19 05:21:55,323 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2023-11-19 05:21:55,323 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_tiocmset [2023-11-19 05:21:55,323 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_tiocmset [2023-11-19 05:21:55,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:21:55,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:21:55,324 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_driver [2023-11-19 05:21:55,324 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_driver [2023-11-19 05:21:55,324 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-19 05:21:55,324 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-19 05:21:56,075 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:21:56,078 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:21:56,292 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 05:22:11,166 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:22:13,126 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:22:13,127 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 05:22:13,144 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:22:13 BoogieIcfgContainer [2023-11-19 05:22:13,144 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:22:13,146 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:22:13,147 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:22:13,150 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:22:13,150 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:21:51" (1/3) ... [2023-11-19 05:22:13,153 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25f1a6d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:22:13, skipping insertion in model container [2023-11-19 05:22:13,153 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:54" (2/3) ... [2023-11-19 05:22:13,154 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25f1a6d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:22:13, skipping insertion in model container [2023-11-19 05:22:13,154 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:22:13" (3/3) ... [2023-11-19 05:22:13,155 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i [2023-11-19 05:22:13,177 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:22:13,177 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:22:13,289 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:22:13,300 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@8c1925a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:22:13,301 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:22:13,314 INFO L276 IsEmpty]: Start isEmpty. Operand has 1231 states, 772 states have (on average 1.349740932642487) internal successors, (1042), 787 states have internal predecessors, (1042), 373 states have call successors, (373), 85 states have call predecessors, (373), 84 states have return successors, (365), 365 states have call predecessors, (365), 365 states have call successors, (365) [2023-11-19 05:22:13,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-11-19 05:22:13,363 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:22:13,364 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:22:13,365 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:22:13,375 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:22:13,376 INFO L85 PathProgramCache]: Analyzing trace with hash 425797632, now seen corresponding path program 1 times [2023-11-19 05:22:13,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:22:13,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915510401] [2023-11-19 05:22:13,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:22:13,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:22:14,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:22:14,883 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-19 05:22:14,884 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:22:14,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915510401] [2023-11-19 05:22:14,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915510401] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:22:14,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:22:14,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:22:14,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570191042] [2023-11-19 05:22:14,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:22:14,894 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:22:14,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:22:14,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:22:14,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:22:14,931 INFO L87 Difference]: Start difference. First operand has 1231 states, 772 states have (on average 1.349740932642487) internal successors, (1042), 787 states have internal predecessors, (1042), 373 states have call successors, (373), 85 states have call predecessors, (373), 84 states have return successors, (365), 365 states have call predecessors, (365), 365 states have call successors, (365) Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-19 05:22:17,734 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:22:21,616 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:22:23,626 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:22:25,896 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:22:27,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:22:27,092 INFO L93 Difference]: Finished difference Result 3272 states and 4755 transitions. [2023-11-19 05:22:27,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:22:27,095 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 122 [2023-11-19 05:22:27,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:22:27,146 INFO L225 Difference]: With dead ends: 3272 [2023-11-19 05:22:27,146 INFO L226 Difference]: Without dead ends: 2043 [2023-11-19 05:22:27,156 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:22:27,160 INFO L413 NwaCegarLoop]: 1594 mSDtfsCounter, 1237 mSDsluCounter, 1457 mSDsCounter, 0 mSdLazyCounter, 473 mSolverCounterSat, 2 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1237 SdHoareTripleChecker+Valid, 3051 SdHoareTripleChecker+Invalid, 479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 473 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.9s IncrementalHoareTripleChecker+Time [2023-11-19 05:22:27,161 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1237 Valid, 3051 Invalid, 479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 473 Invalid, 4 Unknown, 0 Unchecked, 11.9s Time] [2023-11-19 05:22:27,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2043 states. [2023-11-19 05:22:27,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2043 to 2039. [2023-11-19 05:22:27,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2039 states, 1281 states have (on average 1.3302107728337236) internal successors, (1704), 1291 states have internal predecessors, (1704), 610 states have call successors, (610), 148 states have call predecessors, (610), 147 states have return successors, (609), 608 states have call predecessors, (609), 609 states have call successors, (609) [2023-11-19 05:22:27,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2039 states to 2039 states and 2923 transitions. [2023-11-19 05:22:27,427 INFO L78 Accepts]: Start accepts. Automaton has 2039 states and 2923 transitions. Word has length 122 [2023-11-19 05:22:27,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:22:27,429 INFO L495 AbstractCegarLoop]: Abstraction has 2039 states and 2923 transitions. [2023-11-19 05:22:27,430 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-19 05:22:27,430 INFO L276 IsEmpty]: Start isEmpty. Operand 2039 states and 2923 transitions. [2023-11-19 05:22:27,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-11-19 05:22:27,440 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:22:27,440 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:22:27,440 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 05:22:27,440 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:22:27,441 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:22:27,441 INFO L85 PathProgramCache]: Analyzing trace with hash 526535167, now seen corresponding path program 1 times [2023-11-19 05:22:27,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:22:27,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898687075] [2023-11-19 05:22:27,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:22:27,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:22:27,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:22:28,162 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-19 05:22:28,163 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:22:28,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898687075] [2023-11-19 05:22:28,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [898687075] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:22:28,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:22:28,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:22:28,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675183991] [2023-11-19 05:22:28,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:22:28,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:22:28,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:22:28,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:22:28,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:22:28,168 INFO L87 Difference]: Start difference. First operand 2039 states and 2923 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-19 05:22:30,966 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:22:32,352 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:22:36,285 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:22:38,300 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []