./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 cf1a7837 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_cacb986c-b7c3-49d0-ac3b-10e4a5d4bdce/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cacb986c-b7c3-49d0-ac3b-10e4a5d4bdce/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cacb986c-b7c3-49d0-ac3b-10e4a5d4bdce/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cacb986c-b7c3-49d0-ac3b-10e4a5d4bdce/bin/utaipan-verify-NcY6lQBIFX/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_cacb986c-b7c3-49d0-ac3b-10e4a5d4bdce/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cacb986c-b7c3-49d0-ac3b-10e4a5d4bdce/bin/utaipan-verify-NcY6lQBIFX --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-cf1a783 [2023-11-12 00:08:32,101 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:08:32,173 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cacb986c-b7c3-49d0-ac3b-10e4a5d4bdce/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-12 00:08:32,179 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:08:32,179 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:08:32,208 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:08:32,209 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:08:32,210 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:08:32,211 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:08:32,211 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:08:32,212 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:08:32,213 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:08:32,213 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:08:32,214 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:08:32,215 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:08:32,215 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:08:32,216 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:08:32,216 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:08:32,217 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:08:32,218 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:08:32,218 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:08:32,219 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:08:32,220 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:08:32,221 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:08:32,222 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:08:32,222 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:08:32,223 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:08:32,223 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:08:32,224 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:08:32,224 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:08:32,225 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:08:32,226 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:08:32,226 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:08:32,227 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:08:32,227 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:08:32,227 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:08:32,228 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:08:32,228 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:08:32,228 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:08:32,228 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:08:32,229 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:08:32,229 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:08:32,229 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_cacb986c-b7c3-49d0-ac3b-10e4a5d4bdce/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cacb986c-b7c3-49d0-ac3b-10e4a5d4bdce/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 36ffbabf76f0a0e87302d8b80308134217d4fdef380ae154dfcdec710817c6e2 [2023-11-12 00:08:32,502 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:08:32,540 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:08:32,544 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:08:32,545 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:08:32,546 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:08:32,548 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cacb986c-b7c3-49d0-ac3b-10e4a5d4bdce/bin/utaipan-verify-NcY6lQBIFX/../../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 [2023-11-12 00:08:35,787 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:08:36,499 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:08:36,501 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cacb986c-b7c3-49d0-ac3b-10e4a5d4bdce/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 [2023-11-12 00:08:36,566 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cacb986c-b7c3-49d0-ac3b-10e4a5d4bdce/bin/utaipan-verify-NcY6lQBIFX/data/0b4a53a97/b45e03f1383048019f44e2176aa43452/FLAG1751c61a0 [2023-11-12 00:08:36,593 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cacb986c-b7c3-49d0-ac3b-10e4a5d4bdce/bin/utaipan-verify-NcY6lQBIFX/data/0b4a53a97/b45e03f1383048019f44e2176aa43452 [2023-11-12 00:08:36,599 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:08:36,602 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:08:36,604 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:08:36,604 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:08:36,610 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:08:36,613 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:08:36" (1/1) ... [2023-11-12 00:08:36,614 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d89ae13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:36, skipping insertion in model container [2023-11-12 00:08:36,614 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:08:36" (1/1) ... [2023-11-12 00:08:36,767 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:08:37,400 WARN L1270 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3834] [2023-11-12 00:08:37,402 WARN L1270 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3835-3836] [2023-11-12 00:08:37,945 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_cacb986c-b7c3-49d0-ac3b-10e4a5d4bdce/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] [2023-11-12 00:08:39,121 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:08:39,197 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:08:39,310 WARN L1270 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3834] [2023-11-12 00:08:39,310 WARN L1270 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3835-3836] [2023-11-12 00:08:39,313 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] [2023-11-12 00:08:39,315 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [3925] [2023-11-12 00:08:39,316 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] [2023-11-12 00:08:39,318 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] [2023-11-12 00:08:39,320 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [3980] [2023-11-12 00:08:39,321 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3983] [2023-11-12 00:08:39,321 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3986] [2023-11-12 00:08:39,321 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3989] [2023-11-12 00:08:39,325 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] [2023-11-12 00:08:39,326 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] [2023-11-12 00:08:39,326 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] [2023-11-12 00:08:39,327 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] [2023-11-12 00:08:39,350 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_cacb986c-b7c3-49d0-ac3b-10e4a5d4bdce/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] [2023-11-12 00:08:39,496 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] [2023-11-12 00:08:39,546 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] [2023-11-12 00:08:39,546 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] [2023-11-12 00:08:39,547 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] [2023-11-12 00:08:39,724 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:08:39,905 WARN L672 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:08:39,905 WARN L672 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:08:39,905 WARN L672 CHandler]: The function __cmpxchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:08:39,906 WARN L672 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:08:39,906 WARN L672 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:08:39,915 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:08:39,916 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:39 WrapperNode [2023-11-12 00:08:39,916 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:08:39,917 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:08:39,918 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:08:39,918 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:08:39,927 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:39" (1/1) ... [2023-11-12 00:08:40,044 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:39" (1/1) ... [2023-11-12 00:08:40,359 INFO L138 Inliner]: procedures = 264, calls = 3816, calls flagged for inlining = 133, calls inlined = 113, statements flattened = 6847 [2023-11-12 00:08:40,360 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:08:40,361 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:08:40,361 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:08:40,361 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:08:40,371 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:39" (1/1) ... [2023-11-12 00:08:40,372 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:39" (1/1) ... [2023-11-12 00:08:40,446 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:39" (1/1) ... [2023-11-12 00:08:40,446 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:39" (1/1) ... [2023-11-12 00:08:40,592 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:39" (1/1) ... [2023-11-12 00:08:40,628 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:39" (1/1) ... [2023-11-12 00:08:40,664 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:39" (1/1) ... [2023-11-12 00:08:40,680 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:39" (1/1) ... [2023-11-12 00:08:40,726 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:08:40,730 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:08:40,730 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:08:40,730 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:08:40,731 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:39" (1/1) ... [2023-11-12 00:08:40,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:08:40,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cacb986c-b7c3-49d0-ac3b-10e4a5d4bdce/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:08:40,766 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cacb986c-b7c3-49d0-ac3b-10e4a5d4bdce/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:08:40,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cacb986c-b7c3-49d0-ac3b-10e4a5d4bdce/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:08:40,811 INFO L130 BoogieDeclarations]: Found specification of procedure acm_disconnect [2023-11-12 00:08:40,811 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_disconnect [2023-11-12 00:08:40,813 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_hangup [2023-11-12 00:08:40,813 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_hangup [2023-11-12 00:08:40,813 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2023-11-12 00:08:40,813 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2023-11-12 00:08:40,816 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2023-11-12 00:08:40,816 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2023-11-12 00:08:40,816 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2023-11-12 00:08:40,816 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2023-11-12 00:08:40,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-12 00:08:40,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-12 00:08:40,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-12 00:08:40,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-12 00:08:40,817 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2023-11-12 00:08:40,817 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2023-11-12 00:08:40,818 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_cleanup [2023-11-12 00:08:40,818 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_cleanup [2023-11-12 00:08:40,818 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-12 00:08:40,818 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-12 00:08:40,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-12 00:08:40,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-12 00:08:40,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 00:08:40,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 00:08:40,819 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2023-11-12 00:08:40,819 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2023-11-12 00:08:40,819 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2023-11-12 00:08:40,819 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2023-11-12 00:08:40,820 INFO L130 BoogieDeclarations]: Found specification of procedure acm_write_buffers_free [2023-11-12 00:08:40,820 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_write_buffers_free [2023-11-12 00:08:40,820 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-12 00:08:40,820 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-12 00:08:40,820 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2023-11-12 00:08:40,820 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2023-11-12 00:08:40,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-12 00:08:40,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-12 00:08:40,821 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2023-11-12 00:08:40,821 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2023-11-12 00:08:40,822 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2023-11-12 00:08:40,822 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2023-11-12 00:08:40,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-12 00:08:40,823 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-12 00:08:40,824 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:08:40,824 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:08:40,824 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-12 00:08:40,824 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-12 00:08:40,824 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_put [2023-11-12 00:08:40,824 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_put [2023-11-12 00:08:40,825 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_chars_in_buffer [2023-11-12 00:08:40,826 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_chars_in_buffer [2023-11-12 00:08:40,826 INFO L130 BoogieDeclarations]: Found specification of procedure acm_resume [2023-11-12 00:08:40,826 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_resume [2023-11-12 00:08:40,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:08:40,827 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-12 00:08:40,827 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-12 00:08:40,827 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-12 00:08:40,827 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-12 00:08:40,827 INFO L130 BoogieDeclarations]: Found specification of procedure acm_ctrl_msg [2023-11-12 00:08:40,827 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_ctrl_msg [2023-11-12 00:08:40,828 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2023-11-12 00:08:40,828 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2023-11-12 00:08:40,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 00:08:40,828 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_hangup [2023-11-12 00:08:40,829 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_hangup [2023-11-12 00:08:40,829 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2023-11-12 00:08:40,830 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2023-11-12 00:08:40,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-11-12 00:08:40,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-11-12 00:08:40,830 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-12 00:08:40,830 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-12 00:08:40,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:08:40,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 00:08:40,831 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-11-12 00:08:40,831 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-11-12 00:08:40,831 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-12 00:08:40,831 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-12 00:08:40,831 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2023-11-12 00:08:40,831 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2023-11-12 00:08:40,832 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-12 00:08:40,832 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-12 00:08:40,832 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_tiocmget [2023-11-12 00:08:40,832 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_tiocmget [2023-11-12 00:08:40,832 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2023-11-12 00:08:40,832 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2023-11-12 00:08:40,833 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_set_termios [2023-11-12 00:08:40,833 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_set_termios [2023-11-12 00:08:40,834 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_from_anchor [2023-11-12 00:08:40,834 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_from_anchor [2023-11-12 00:08:40,834 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2023-11-12 00:08:40,834 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2023-11-12 00:08:40,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-12 00:08:40,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-12 00:08:40,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-12 00:08:40,836 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-11-12 00:08:40,836 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-11-12 00:08:40,836 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_break_ctl [2023-11-12 00:08:40,836 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_break_ctl [2023-11-12 00:08:40,836 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-12 00:08:40,836 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-12 00:08:40,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 00:08:40,837 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2023-11-12 00:08:40,837 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2023-11-12 00:08:40,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:08:40,837 INFO L130 BoogieDeclarations]: Found specification of procedure acm_start_wb [2023-11-12 00:08:40,838 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_start_wb [2023-11-12 00:08:40,838 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2023-11-12 00:08:40,838 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2023-11-12 00:08:40,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-12 00:08:40,838 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-12 00:08:40,838 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-11-12 00:08:40,839 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-11-12 00:08:40,839 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_throttle [2023-11-12 00:08:40,839 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_throttle [2023-11-12 00:08:40,839 INFO L130 BoogieDeclarations]: Found specification of procedure acm_wb_is_avail [2023-11-12 00:08:40,840 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_wb_is_avail [2023-11-12 00:08:40,840 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-12 00:08:40,840 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-12 00:08:40,840 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2023-11-12 00:08:40,840 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2023-11-12 00:08:40,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-12 00:08:40,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-12 00:08:40,842 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_write_room [2023-11-12 00:08:40,842 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_write_room [2023-11-12 00:08:40,843 INFO L130 BoogieDeclarations]: Found specification of procedure acm_submit_read_urb [2023-11-12 00:08:40,843 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_submit_read_urb [2023-11-12 00:08:40,847 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2023-11-12 00:08:40,847 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2023-11-12 00:08:40,847 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-12 00:08:40,847 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-12 00:08:40,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:08:40,848 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-11-12 00:08:40,849 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-11-12 00:08:40,849 INFO L130 BoogieDeclarations]: Found specification of procedure acm_write_done [2023-11-12 00:08:40,850 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_write_done [2023-11-12 00:08:40,856 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-11-12 00:08:40,857 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-11-12 00:08:40,857 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_ioctl [2023-11-12 00:08:40,857 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_ioctl [2023-11-12 00:08:40,857 INFO L130 BoogieDeclarations]: Found specification of procedure acm_release_minor [2023-11-12 00:08:40,857 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_release_minor [2023-11-12 00:08:40,857 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-11-12 00:08:40,858 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-11-12 00:08:40,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 00:08:40,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 00:08:40,858 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface_async [2023-11-12 00:08:40,858 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface_async [2023-11-12 00:08:40,858 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_unthrottle [2023-11-12 00:08:40,858 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_unthrottle [2023-11-12 00:08:40,859 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 00:08:40,859 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:08:40,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 00:08:40,859 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-12 00:08:40,859 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2023-11-12 00:08:40,859 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2023-11-12 00:08:40,859 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-11-12 00:08:40,859 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-11-12 00:08:40,860 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2023-11-12 00:08:40,860 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2023-11-12 00:08:40,860 INFO L130 BoogieDeclarations]: Found specification of procedure acm_port_dtr_rts [2023-11-12 00:08:40,860 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_port_dtr_rts [2023-11-12 00:08:40,860 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-11-12 00:08:40,861 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-11-12 00:08:40,861 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2023-11-12 00:08:40,861 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2023-11-12 00:08:40,861 INFO L130 BoogieDeclarations]: Found specification of procedure acm_read_buffers_free [2023-11-12 00:08:40,861 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_read_buffers_free [2023-11-12 00:08:40,861 INFO L130 BoogieDeclarations]: Found specification of procedure acm_submit_read_urbs [2023-11-12 00:08:40,861 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_submit_read_urbs [2023-11-12 00:08:40,862 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_install [2023-11-12 00:08:40,862 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_install [2023-11-12 00:08:40,862 INFO L130 BoogieDeclarations]: Found specification of procedure stop_data_traffic [2023-11-12 00:08:40,862 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_data_traffic [2023-11-12 00:08:40,862 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-11-12 00:08:40,862 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-11-12 00:08:40,862 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-12 00:08:40,863 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-12 00:08:40,863 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-11-12 00:08:40,863 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-11-12 00:08:40,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:08:40,863 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2023-11-12 00:08:40,863 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2023-11-12 00:08:40,863 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2023-11-12 00:08:40,864 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2023-11-12 00:08:40,864 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_tiocmset [2023-11-12 00:08:40,864 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_tiocmset [2023-11-12 00:08:40,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:08:40,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:08:40,864 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_driver [2023-11-12 00:08:40,864 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_driver [2023-11-12 00:08:40,864 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-12 00:08:40,865 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-12 00:08:41,773 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:08:41,783 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:08:42,085 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-12 00:08:55,792 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:08:57,752 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:08:57,752 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 00:08:57,759 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:08:57 BoogieIcfgContainer [2023-11-12 00:08:57,759 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:08:57,762 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:08:57,762 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:08:57,766 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:08:57,766 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:08:36" (1/3) ... [2023-11-12 00:08:57,769 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b8d217d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:08:57, skipping insertion in model container [2023-11-12 00:08:57,770 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:39" (2/3) ... [2023-11-12 00:08:57,770 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b8d217d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:08:57, skipping insertion in model container [2023-11-12 00:08:57,770 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:08:57" (3/3) ... [2023-11-12 00:08:57,772 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 [2023-11-12 00:08:57,795 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:08:57,795 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:08:57,904 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:08:57,915 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;@51ba71b5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:08:57,915 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:08:57,926 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) [2023-11-12 00:08:57,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-11-12 00:08:57,958 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:08:57,959 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] [2023-11-12 00:08:57,959 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:08:57,964 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:08:57,964 INFO L85 PathProgramCache]: Analyzing trace with hash 425797632, now seen corresponding path program 1 times [2023-11-12 00:08:57,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:08:57,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81977523] [2023-11-12 00:08:57,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:08:57,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:08:58,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:08:59,313 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-12 00:08:59,314 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:08:59,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81977523] [2023-11-12 00:08:59,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81977523] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:08:59,315 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:08:59,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:08:59,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187680188] [2023-11-12 00:08:59,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:08:59,322 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:08:59,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:08:59,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:08:59,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:08:59,356 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) [2023-11-12 00:09:02,143 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 [] [2023-11-12 00:09:04,240 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:09:07,479 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:09:09,487 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:09:11,125 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:09:12,490 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:09:13,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:09:13,549 INFO L93 Difference]: Finished difference Result 3272 states and 4755 transitions. [2023-11-12 00:09:13,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:09:13,556 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 [2023-11-12 00:09:13,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:09:13,602 INFO L225 Difference]: With dead ends: 3272 [2023-11-12 00:09:13,602 INFO L226 Difference]: Without dead ends: 2043 [2023-11-12 00:09:13,614 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 [2023-11-12 00:09:13,619 INFO L413 NwaCegarLoop]: 1594 mSDtfsCounter, 1237 mSDsluCounter, 1457 mSDsCounter, 0 mSdLazyCounter, 474 mSolverCounterSat, 2 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1237 SdHoareTripleChecker+Valid, 3051 SdHoareTripleChecker+Invalid, 480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 474 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.9s IncrementalHoareTripleChecker+Time [2023-11-12 00:09:13,620 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1237 Valid, 3051 Invalid, 480 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 474 Invalid, 4 Unknown, 0 Unchecked, 13.9s Time] [2023-11-12 00:09:13,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2043 states. [2023-11-12 00:09:13,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2043 to 2039. [2023-11-12 00:09:13,853 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) [2023-11-12 00:09:13,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2039 states to 2039 states and 2923 transitions. [2023-11-12 00:09:13,880 INFO L78 Accepts]: Start accepts. Automaton has 2039 states and 2923 transitions. Word has length 122 [2023-11-12 00:09:13,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:09:13,881 INFO L495 AbstractCegarLoop]: Abstraction has 2039 states and 2923 transitions. [2023-11-12 00:09:13,883 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) [2023-11-12 00:09:13,885 INFO L276 IsEmpty]: Start isEmpty. Operand 2039 states and 2923 transitions. [2023-11-12 00:09:13,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-11-12 00:09:13,900 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:09:13,901 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] [2023-11-12 00:09:13,902 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 00:09:13,902 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:09:13,903 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:09:13,903 INFO L85 PathProgramCache]: Analyzing trace with hash 526535167, now seen corresponding path program 1 times [2023-11-12 00:09:13,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:09:13,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312051321] [2023-11-12 00:09:13,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:09:13,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:09:14,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:09:14,734 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-12 00:09:14,735 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:09:14,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312051321] [2023-11-12 00:09:14,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312051321] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:09:14,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:09:14,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:09:14,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941489713] [2023-11-12 00:09:14,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:09:14,737 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:09:14,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:09:14,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:09:14,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:09:14,739 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) [2023-11-12 00:09:17,494 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 [] [2023-11-12 00:09:19,569 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:09:23,375 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:09:25,386 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 []