./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 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c323b888-7194-48f5-94fd-5e1939b2d16a/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c323b888-7194-48f5-94fd-5e1939b2d16a/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c323b888-7194-48f5-94fd-5e1939b2d16a/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c323b888-7194-48f5-94fd-5e1939b2d16a/bin/utaipan-verify-mE87zJ7Ire/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_c323b888-7194-48f5-94fd-5e1939b2d16a/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c323b888-7194-48f5-94fd-5e1939b2d16a/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 36ffbabf76f0a0e87302d8b80308134217d4fdef380ae154dfcdec710817c6e2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:11:17,528 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:11:17,656 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c323b888-7194-48f5-94fd-5e1939b2d16a/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:11:17,668 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:11:17,669 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:11:17,726 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:11:17,727 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:11:17,728 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:11:17,729 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:11:17,736 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:11:17,736 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:11:17,738 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:11:17,738 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:11:17,741 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:11:17,741 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:11:17,742 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:11:17,742 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:11:17,743 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:11:17,743 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:11:17,744 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:11:17,744 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:11:17,745 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:11:17,747 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:11:17,747 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:11:17,748 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:11:17,748 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:11:17,749 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:11:17,749 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:11:17,750 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:11:17,750 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:11:17,752 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:11:17,753 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:11:17,753 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:11:17,753 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:11:17,753 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:11:17,754 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:11:17,754 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:11:17,755 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:11:17,755 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:11:17,755 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:11:17,756 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:11:17,756 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:11:17,756 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:11:17,757 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:11:17,757 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_c323b888-7194-48f5-94fd-5e1939b2d16a/bin/utaipan-verify-mE87zJ7Ire/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c323b888-7194-48f5-94fd-5e1939b2d16a/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 36ffbabf76f0a0e87302d8b80308134217d4fdef380ae154dfcdec710817c6e2 [2023-11-23 21:11:18,107 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:11:18,147 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:11:18,150 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:11:18,152 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:11:18,152 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:11:18,154 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c323b888-7194-48f5-94fd-5e1939b2d16a/bin/utaipan-verify-mE87zJ7Ire/../../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 [2023-11-23 21:11:21,451 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:11:22,163 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:11:22,164 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c323b888-7194-48f5-94fd-5e1939b2d16a/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 [2023-11-23 21:11:22,209 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c323b888-7194-48f5-94fd-5e1939b2d16a/bin/utaipan-verify-mE87zJ7Ire/data/b93dabf29/77546a225b4c4905b991229738d1b46e/FLAG455b975f3 [2023-11-23 21:11:22,229 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c323b888-7194-48f5-94fd-5e1939b2d16a/bin/utaipan-verify-mE87zJ7Ire/data/b93dabf29/77546a225b4c4905b991229738d1b46e [2023-11-23 21:11:22,233 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:11:22,235 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:11:22,236 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:11:22,236 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:11:22,249 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:11:22,250 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:11:22" (1/1) ... [2023-11-23 21:11:22,251 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51f001da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:22, skipping insertion in model container [2023-11-23 21:11:22,251 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:11:22" (1/1) ... [2023-11-23 21:11:22,464 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:11:23,016 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3834] [2023-11-23 21:11:23,016 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] [2023-11-23 21:11:23,500 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_c323b888-7194-48f5-94fd-5e1939b2d16a/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] [2023-11-23 21:11:24,719 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:11:24,811 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:11:24,940 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3834] [2023-11-23 21:11:24,940 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] [2023-11-23 21:11:24,943 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] [2023-11-23 21:11:24,945 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [3925] [2023-11-23 21:11:24,946 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] [2023-11-23 21:11:24,947 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] [2023-11-23 21:11:24,949 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [3980] [2023-11-23 21:11:24,949 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3983] [2023-11-23 21:11:24,950 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3986] [2023-11-23 21:11:24,950 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3989] [2023-11-23 21:11:24,955 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] [2023-11-23 21:11:24,956 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] [2023-11-23 21:11:24,957 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] [2023-11-23 21:11:24,957 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] [2023-11-23 21:11:24,977 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_c323b888-7194-48f5-94fd-5e1939b2d16a/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] [2023-11-23 21:11:25,115 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] [2023-11-23 21:11:25,116 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] [2023-11-23 21:11:25,116 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] [2023-11-23 21:11:25,117 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] [2023-11-23 21:11:25,263 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:11:25,505 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:11:25,505 WARN L675 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:11:25,505 WARN L675 CHandler]: The function __cmpxchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:11:25,506 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:11:25,506 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:11:25,514 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:11:25,514 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:25 WrapperNode [2023-11-23 21:11:25,515 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:11:25,516 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:11:25,516 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:11:25,516 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:11:25,523 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:25" (1/1) ... [2023-11-23 21:11:25,620 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:25" (1/1) ... [2023-11-23 21:11:25,992 INFO L138 Inliner]: procedures = 264, calls = 3816, calls flagged for inlining = 133, calls inlined = 113, statements flattened = 6847 [2023-11-23 21:11:25,993 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:11:25,994 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:11:25,994 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:11:25,994 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:11:26,005 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:25" (1/1) ... [2023-11-23 21:11:26,005 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:25" (1/1) ... [2023-11-23 21:11:26,076 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:25" (1/1) ... [2023-11-23 21:11:26,089 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:25" (1/1) ... [2023-11-23 21:11:26,256 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:25" (1/1) ... [2023-11-23 21:11:26,308 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:25" (1/1) ... [2023-11-23 21:11:26,350 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:25" (1/1) ... [2023-11-23 21:11:26,379 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:25" (1/1) ... [2023-11-23 21:11:26,425 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:11:26,428 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:11:26,428 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:11:26,428 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:11:26,430 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:25" (1/1) ... [2023-11-23 21:11:26,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:11:26,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c323b888-7194-48f5-94fd-5e1939b2d16a/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:11:26,468 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c323b888-7194-48f5-94fd-5e1939b2d16a/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:11:26,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c323b888-7194-48f5-94fd-5e1939b2d16a/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:11:26,523 INFO L130 BoogieDeclarations]: Found specification of procedure acm_disconnect [2023-11-23 21:11:26,524 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_disconnect [2023-11-23 21:11:26,524 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_hangup [2023-11-23 21:11:26,524 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_hangup [2023-11-23 21:11:26,526 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2023-11-23 21:11:26,527 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2023-11-23 21:11:26,527 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2023-11-23 21:11:26,527 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2023-11-23 21:11:26,527 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2023-11-23 21:11:26,527 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2023-11-23 21:11:26,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-23 21:11:26,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 21:11:26,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-23 21:11:26,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-23 21:11:26,528 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2023-11-23 21:11:26,529 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2023-11-23 21:11:26,529 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_cleanup [2023-11-23 21:11:26,529 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_cleanup [2023-11-23 21:11:26,529 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-23 21:11:26,529 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-23 21:11:26,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-23 21:11:26,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-23 21:11:26,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 21:11:26,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 21:11:26,530 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2023-11-23 21:11:26,530 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2023-11-23 21:11:26,531 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2023-11-23 21:11:26,531 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2023-11-23 21:11:26,531 INFO L130 BoogieDeclarations]: Found specification of procedure acm_write_buffers_free [2023-11-23 21:11:26,531 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_write_buffers_free [2023-11-23 21:11:26,531 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-23 21:11:26,532 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-23 21:11:26,532 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2023-11-23 21:11:26,532 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2023-11-23 21:11:26,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-23 21:11:26,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-23 21:11:26,533 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2023-11-23 21:11:26,534 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2023-11-23 21:11:26,534 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2023-11-23 21:11:26,535 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2023-11-23 21:11:26,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 21:11:26,535 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 21:11:26,535 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:11:26,535 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:11:26,535 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-23 21:11:26,536 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-23 21:11:26,536 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_put [2023-11-23 21:11:26,536 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_put [2023-11-23 21:11:26,537 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_chars_in_buffer [2023-11-23 21:11:26,537 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_chars_in_buffer [2023-11-23 21:11:26,538 INFO L130 BoogieDeclarations]: Found specification of procedure acm_resume [2023-11-23 21:11:26,538 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_resume [2023-11-23 21:11:26,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:11:26,538 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-23 21:11:26,538 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-23 21:11:26,539 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-23 21:11:26,539 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-23 21:11:26,539 INFO L130 BoogieDeclarations]: Found specification of procedure acm_ctrl_msg [2023-11-23 21:11:26,539 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_ctrl_msg [2023-11-23 21:11:26,540 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2023-11-23 21:11:26,540 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2023-11-23 21:11:26,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:11:26,541 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_hangup [2023-11-23 21:11:26,541 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_hangup [2023-11-23 21:11:26,541 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2023-11-23 21:11:26,541 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2023-11-23 21:11:26,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-11-23 21:11:26,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-11-23 21:11:26,542 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-23 21:11:26,542 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-23 21:11:26,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:11:26,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 21:11:26,543 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-11-23 21:11:26,543 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-11-23 21:11:26,543 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-23 21:11:26,543 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-23 21:11:26,543 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2023-11-23 21:11:26,543 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2023-11-23 21:11:26,544 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-23 21:11:26,544 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-23 21:11:26,544 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_tiocmget [2023-11-23 21:11:26,544 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_tiocmget [2023-11-23 21:11:26,545 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2023-11-23 21:11:26,545 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2023-11-23 21:11:26,545 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_set_termios [2023-11-23 21:11:26,545 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_set_termios [2023-11-23 21:11:26,546 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_from_anchor [2023-11-23 21:11:26,546 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_from_anchor [2023-11-23 21:11:26,546 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2023-11-23 21:11:26,546 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2023-11-23 21:11:26,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-23 21:11:26,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-23 21:11:26,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-23 21:11:26,548 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-11-23 21:11:26,548 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-11-23 21:11:26,548 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_break_ctl [2023-11-23 21:11:26,548 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_break_ctl [2023-11-23 21:11:26,548 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-23 21:11:26,549 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-23 21:11:26,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 21:11:26,549 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2023-11-23 21:11:26,549 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2023-11-23 21:11:26,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:11:26,550 INFO L130 BoogieDeclarations]: Found specification of procedure acm_start_wb [2023-11-23 21:11:26,550 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_start_wb [2023-11-23 21:11:26,550 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2023-11-23 21:11:26,550 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2023-11-23 21:11:26,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-23 21:11:26,550 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-23 21:11:26,551 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-11-23 21:11:26,551 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-11-23 21:11:26,551 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_throttle [2023-11-23 21:11:26,552 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_throttle [2023-11-23 21:11:26,552 INFO L130 BoogieDeclarations]: Found specification of procedure acm_wb_is_avail [2023-11-23 21:11:26,552 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_wb_is_avail [2023-11-23 21:11:26,552 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-23 21:11:26,552 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-23 21:11:26,552 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2023-11-23 21:11:26,553 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2023-11-23 21:11:26,553 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-23 21:11:26,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-23 21:11:26,554 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_write_room [2023-11-23 21:11:26,555 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_write_room [2023-11-23 21:11:26,557 INFO L130 BoogieDeclarations]: Found specification of procedure acm_submit_read_urb [2023-11-23 21:11:26,557 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_submit_read_urb [2023-11-23 21:11:26,557 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2023-11-23 21:11:26,557 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2023-11-23 21:11:26,557 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-23 21:11:26,557 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-23 21:11:26,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:11:26,558 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-11-23 21:11:26,558 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-11-23 21:11:26,558 INFO L130 BoogieDeclarations]: Found specification of procedure acm_write_done [2023-11-23 21:11:26,558 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_write_done [2023-11-23 21:11:26,558 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-11-23 21:11:26,558 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-11-23 21:11:26,558 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_ioctl [2023-11-23 21:11:26,558 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_ioctl [2023-11-23 21:11:26,558 INFO L130 BoogieDeclarations]: Found specification of procedure acm_release_minor [2023-11-23 21:11:26,559 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_release_minor [2023-11-23 21:11:26,559 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-11-23 21:11:26,559 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-11-23 21:11:26,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 21:11:26,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 21:11:26,559 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface_async [2023-11-23 21:11:26,559 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface_async [2023-11-23 21:11:26,559 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_unthrottle [2023-11-23 21:11:26,559 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_unthrottle [2023-11-23 21:11:26,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:11:26,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:11:26,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:11:26,560 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-23 21:11:26,560 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2023-11-23 21:11:26,560 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2023-11-23 21:11:26,560 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-11-23 21:11:26,560 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-11-23 21:11:26,560 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2023-11-23 21:11:26,561 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2023-11-23 21:11:26,561 INFO L130 BoogieDeclarations]: Found specification of procedure acm_port_dtr_rts [2023-11-23 21:11:26,561 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_port_dtr_rts [2023-11-23 21:11:26,561 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-11-23 21:11:26,561 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-11-23 21:11:26,561 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2023-11-23 21:11:26,561 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2023-11-23 21:11:26,561 INFO L130 BoogieDeclarations]: Found specification of procedure acm_read_buffers_free [2023-11-23 21:11:26,562 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_read_buffers_free [2023-11-23 21:11:26,562 INFO L130 BoogieDeclarations]: Found specification of procedure acm_submit_read_urbs [2023-11-23 21:11:26,562 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_submit_read_urbs [2023-11-23 21:11:26,562 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_install [2023-11-23 21:11:26,562 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_install [2023-11-23 21:11:26,562 INFO L130 BoogieDeclarations]: Found specification of procedure stop_data_traffic [2023-11-23 21:11:26,562 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_data_traffic [2023-11-23 21:11:26,562 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-11-23 21:11:26,563 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-11-23 21:11:26,563 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-23 21:11:26,563 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-23 21:11:26,563 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-11-23 21:11:26,563 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-11-23 21:11:26,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:11:26,563 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2023-11-23 21:11:26,563 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2023-11-23 21:11:26,563 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2023-11-23 21:11:26,564 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2023-11-23 21:11:26,564 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_tiocmset [2023-11-23 21:11:26,564 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_tiocmset [2023-11-23 21:11:26,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:11:26,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:11:26,564 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_driver [2023-11-23 21:11:26,564 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_driver [2023-11-23 21:11:26,564 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-23 21:11:26,565 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-23 21:11:27,308 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:11:27,312 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:11:27,577 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-23 21:11:40,127 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:11:41,743 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:11:41,743 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 21:11:41,746 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:11:41 BoogieIcfgContainer [2023-11-23 21:11:41,747 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:11:41,750 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:11:41,751 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:11:41,754 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:11:41,755 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:11:22" (1/3) ... [2023-11-23 21:11:41,757 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@389ea5ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:11:41, skipping insertion in model container [2023-11-23 21:11:41,757 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:25" (2/3) ... [2023-11-23 21:11:41,758 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@389ea5ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:11:41, skipping insertion in model container [2023-11-23 21:11:41,758 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:11:41" (3/3) ... [2023-11-23 21:11:41,760 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 [2023-11-23 21:11:41,783 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:11:41,784 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:11:41,896 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:11:41,908 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;@b3ff806, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:11:41,909 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:11:41,920 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) [2023-11-23 21:11:41,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-11-23 21:11:41,976 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:11:41,977 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] [2023-11-23 21:11:41,978 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:11:41,988 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:11:41,989 INFO L85 PathProgramCache]: Analyzing trace with hash 817435669, now seen corresponding path program 1 times [2023-11-23 21:11:41,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:11:42,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712853855] [2023-11-23 21:11:42,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:11:42,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:11:42,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:11:43,403 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-23 21:11:43,405 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:11:43,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712853855] [2023-11-23 21:11:43,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712853855] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:11:43,407 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:11:43,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:11:43,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918734990] [2023-11-23 21:11:43,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:11:43,418 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:11:43,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:11:43,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:11:43,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:11:43,472 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) [2023-11-23 21:11:46,587 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:11:48,717 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:11:51,832 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:11:53,846 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:11:56,154 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:11:58,163 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:11:59,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:11:59,868 INFO L93 Difference]: Finished difference Result 3272 states and 4755 transitions. [2023-11-23 21:11:59,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:11:59,871 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 [2023-11-23 21:11:59,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:11:59,926 INFO L225 Difference]: With dead ends: 3272 [2023-11-23 21:11:59,926 INFO L226 Difference]: Without dead ends: 2043 [2023-11-23 21:11:59,941 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 [2023-11-23 21:11:59,945 INFO L413 NwaCegarLoop]: 1594 mSDtfsCounter, 1237 mSDsluCounter, 1457 mSDsCounter, 0 mSdLazyCounter, 472 mSolverCounterSat, 2 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1237 SdHoareTripleChecker+Valid, 3051 SdHoareTripleChecker+Invalid, 480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 472 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:11:59,946 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1237 Valid, 3051 Invalid, 480 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 472 Invalid, 6 Unknown, 0 Unchecked, 16.1s Time] [2023-11-23 21:11:59,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2043 states. [2023-11-23 21:12:00,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2043 to 2039. [2023-11-23 21:12:00,228 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) [2023-11-23 21:12:00,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2039 states to 2039 states and 2923 transitions. [2023-11-23 21:12:00,258 INFO L78 Accepts]: Start accepts. Automaton has 2039 states and 2923 transitions. Word has length 122 [2023-11-23 21:12:00,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:12:00,269 INFO L495 AbstractCegarLoop]: Abstraction has 2039 states and 2923 transitions. [2023-11-23 21:12:00,269 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) [2023-11-23 21:12:00,270 INFO L276 IsEmpty]: Start isEmpty. Operand 2039 states and 2923 transitions. [2023-11-23 21:12:00,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-11-23 21:12:00,284 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:12:00,284 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] [2023-11-23 21:12:00,284 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:12:00,285 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:12:00,285 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:12:00,286 INFO L85 PathProgramCache]: Analyzing trace with hash -466364550, now seen corresponding path program 1 times [2023-11-23 21:12:00,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:12:00,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72508241] [2023-11-23 21:12:00,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:12:00,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:12:00,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:12:01,366 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-23 21:12:01,366 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:12:01,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72508241] [2023-11-23 21:12:01,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72508241] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:12:01,367 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:12:01,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:12:01,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39607700] [2023-11-23 21:12:01,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:12:01,370 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:12:01,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:12:01,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:12:01,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:12:01,373 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) [2023-11-23 21:12:03,792 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:12:05,195 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:12:09,351 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:12:11,359 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 []